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HDFS-573. Porting libhdfs to Windows. Contributed by Chris Nauroth. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1616814 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Chris Nauroth 2014-08-08 16:26:45 +00:00
parent 6d39525f6b
commit 70d453602c
34 changed files with 1965 additions and 617 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
BUILDING.txt
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@ -189,6 +189,7 @@ Requirements:
* Maven 3.0 or later
* Findbugs 1.3.9 (if running findbugs)
* ProtocolBuffer 2.5.0
* CMake 2.6 or newer
* Windows SDK or Visual Studio 2010 Professional
* Unix command-line tools from GnuWin32 or Cygwin: sh, mkdir, rm, cp, tar, gzip
* zlib headers (if building native code bindings for zlib)

2
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -382,6 +382,8 @@ Release 2.6.0 - UNRELEASED
HDFS-6772. Get DN storages out of blockContentsStale state faster after
NN restarts. (Ming Ma via Arpit Agarwal)
HDFS-573. Porting libhdfs to Windows. (cnauroth)
OPTIMIZATIONS
HDFS-6690. Deduplicate xattr names in memory. (wang)

117
hadoop-hdfs-project/hadoop-hdfs/pom.xml
View File

@ -360,16 +360,97 @@ http://maven.apache.org/xsd/maven-4.0.0.xsd">
<profiles>
<profile>
<id>windows</id>
<id>native-win</id>
<activation>
<activeByDefault>false</activeByDefault>
<os>
<family>windows</family>
</os>
</activation>
<properties>
<windows.build>true</windows.build>
</properties>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-enforcer-plugin</artifactId>
<executions>
<execution>
<id>enforce-os</id>
<goals>
<goal>enforce</goal>
</goals>
<configuration>
<rules>
<requireOS>
<family>windows</family>
<message>native-win build only supported on Windows</message>
</requireOS>
</rules>
<fail>true</fail>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-antrun-plugin</artifactId>
<executions>
<execution>
<id>make</id>
<phase>compile</phase>
<goals>
<goal>run</goal>
</goals>
<configuration>
<target>
<mkdir dir="${project.build.directory}/native"/>
<exec executable="cmake" dir="${project.build.directory}/native"
failonerror="true">
<arg line="${basedir}/src/ -DGENERATED_JAVAH=${project.build.directory}/native/javah -DJVM_ARCH_DATA_MODEL=${sun.arch.data.model} -DREQUIRE_LIBWEBHDFS=${require.libwebhdfs} -DREQUIRE_FUSE=${require.fuse} -G 'Visual Studio 10 Win64'"/>
</exec>
<exec executable="msbuild" dir="${project.build.directory}/native"
failonerror="true">
<arg line="ALL_BUILD.vcxproj /nologo /p:Configuration=Release"/>
</exec>
<!-- Copy for inclusion in distribution. -->
<copy todir="${project.build.directory}/bin">
<fileset dir="${project.build.directory}/native/target/bin/Release"/>
</copy>
</target>
</configuration>
</execution>
<execution>
<id>native_tests</id>
<phase>test</phase>
<goals><goal>run</goal></goals>
<configuration>
<skip>${skipTests}</skip>
<target>
<property name="compile_classpath" refid="maven.compile.classpath"/>
<property name="test_classpath" refid="maven.test.classpath"/>
<macrodef name="run-test">
<attribute name="test"/>
<sequential>
<echo message="Running @{test}"/>
<exec executable="${project.build.directory}/native/Release/@{test}" failonerror="true" dir="${project.build.directory}/native/">
<env key="CLASSPATH" value="${test_classpath}:${compile_classpath}"/>
<!-- HADOOP_HOME required to find winutils. -->
<env key="HADOOP_HOME" value="${hadoop.common.build.dir}"/>
<!-- Make sure hadoop.dll and jvm.dll are on PATH. -->
<env key="PATH" value="${env.PATH};${hadoop.common.build.dir}/bin;${java.home}/jre/bin/server;${java.home}/bin/server"/>
</exec>
<echo message="Finished @{test}"/>
</sequential>
</macrodef>
<run-test test="test_libhdfs_threaded"/>
<echo message="Skipping test_libhdfs_zerocopy"/>
<run-test test="test_native_mini_dfs"/>
</target>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
<profile>
<id>native</id>
@ -407,21 +488,25 @@ http://maven.apache.org/xsd/maven-4.0.0.xsd">
<phase>test</phase>
<goals><goal>run</goal></goals>
<configuration>
<skip>${skipTests}</skip>
<target>
<property name="compile_classpath" refid="maven.compile.classpath"/>
<property name="test_classpath" refid="maven.test.classpath"/>
<exec executable="sh" failonerror="true" dir="${project.build.directory}/native/">
<arg value="-c"/>
<arg value="[ x$SKIPTESTS = xtrue ] || ${project.build.directory}/native/test_libhdfs_threaded"/>
<env key="CLASSPATH" value="${test_classpath}:${compile_classpath}"/>
<env key="SKIPTESTS" value="${skipTests}"/>
</exec>
<exec executable="sh" failonerror="true" dir="${project.build.directory}/native/">
<arg value="-c"/>
<arg value="[ x$SKIPTESTS = xtrue ] || ${project.build.directory}/native/test_native_mini_dfs"/>
<env key="CLASSPATH" value="${test_classpath}:${compile_classpath}"/>
<env key="SKIPTESTS" value="${skipTests}"/>
</exec>
<macrodef name="run-test">
<attribute name="test"/>
<sequential>
<echo message="Running @{test}"/>
<exec executable="${project.build.directory}/native/@{test}" failonerror="true" dir="${project.build.directory}/native/">
<env key="CLASSPATH" value="${test_classpath}:${compile_classpath}"/>
<!-- Make sure libhadoop.so is on LD_LIBRARY_PATH. -->
<env key="LD_LIBRARY_PATH" value="${env.LD_LIBRARY_PATH}:${project.build.directory}/native/target/usr/local/lib:${hadoop.common.build.dir}/native/target/usr/local/lib"/>
</exec>
<echo message="Finished @{test}"/>
</sequential>
</macrodef>
<run-test test="test_libhdfs_threaded"/>
<run-test test="test_libhdfs_zerocopy"/>
<run-test test="test_native_mini_dfs"/>
</target>
</configuration>
</execution>

74
hadoop-hdfs-project/hadoop-hdfs/src/CMakeLists.txt
View File

@ -76,9 +76,39 @@ if (NOT GENERATED_JAVAH)
MESSAGE(FATAL_ERROR "You must set the CMake variable GENERATED_JAVAH")
endif (NOT GENERATED_JAVAH)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -Wall -O2")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_REENTRANT -D_GNU_SOURCE")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64")
if (WIN32)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /O2")
# Set warning level 4.
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W4")
# Skip "unreferenced formal parameter".
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /wd4100")
# Skip "conditional expression is constant".
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /wd4127")
# Skip deprecated POSIX function warnings.
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_CRT_NONSTDC_NO_DEPRECATE")
# Skip CRT non-secure function warnings. If we can convert usage of
# strerror, getenv and ctime to their secure CRT equivalents, then we can
# re-enable the CRT non-secure function warnings.
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_CRT_SECURE_NO_WARNINGS")
# Omit unneeded headers.
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DWIN32_LEAN_AND_MEAN")
set(OS_DIR main/native/libhdfs/os/windows)
set(OUT_DIR target/bin)
else (WIN32)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -Wall -O2")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_REENTRANT -D_GNU_SOURCE")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64")
set(OS_DIR main/native/libhdfs/os/posix)
set(OS_LINK_LIBRARIES pthread)
set(OUT_DIR target/usr/local/lib)
endif (WIN32)
include_directories(
${GENERATED_JAVAH}
@ -87,6 +117,7 @@ include_directories(
${JNI_INCLUDE_DIRS}
main/native
main/native/libhdfs
${OS_DIR}
)
set(_FUSE_DFS_VERSION 0.1.0)
@ -96,6 +127,9 @@ add_dual_library(hdfs
main/native/libhdfs/exception.c
main/native/libhdfs/jni_helper.c
main/native/libhdfs/hdfs.c
main/native/libhdfs/common/htable.c
${OS_DIR}/mutexes.c
${OS_DIR}/thread_local_storage.c
)
if (NEED_LINK_DL)
set(LIB_DL dl)
@ -104,17 +138,14 @@ endif(NEED_LINK_DL)
target_link_dual_libraries(hdfs
${JAVA_JVM_LIBRARY}
${LIB_DL}
pthread
${OS_LINK_LIBRARIES}
)
dual_output_directory(hdfs target/usr/local/lib)
dual_output_directory(hdfs ${OUT_DIR})
set(LIBHDFS_VERSION "0.0.0")
set_target_properties(hdfs PROPERTIES
SOVERSION ${LIBHDFS_VERSION})
add_library(posix_util
main/native/util/posix_util.c
)
add_executable(test_libhdfs_ops
main/native/libhdfs/test/test_libhdfs_ops.c
)
@ -156,11 +187,12 @@ target_link_libraries(test_native_mini_dfs
add_executable(test_libhdfs_threaded
main/native/libhdfs/expect.c
main/native/libhdfs/test_libhdfs_threaded.c
${OS_DIR}/thread.c
)
target_link_libraries(test_libhdfs_threaded
hdfs
native_mini_dfs
pthread
${OS_LINK_LIBRARIES}
)
add_executable(test_libhdfs_zerocopy
@ -170,17 +202,21 @@ add_executable(test_libhdfs_zerocopy
target_link_libraries(test_libhdfs_zerocopy
hdfs
native_mini_dfs
pthread
${OS_LINK_LIBRARIES}
)
add_executable(test_libhdfs_vecsum
main/native/libhdfs/test/vecsum.c
)
target_link_libraries(test_libhdfs_vecsum
hdfs
pthread
rt
)
# Skip vecsum on Windows. This could be made to work in the future by
# introducing an abstraction layer over the sys/mman.h functions.
if (NOT WIN32)
add_executable(test_libhdfs_vecsum
main/native/libhdfs/test/vecsum.c
)
target_link_libraries(test_libhdfs_vecsum
hdfs
pthread
rt
)
endif(NOT WIN32)
IF(REQUIRE_LIBWEBHDFS)
add_subdirectory(contrib/libwebhdfs)

4
hadoop-hdfs-project/hadoop-hdfs/src/main/native/fuse-dfs/CMakeLists.txt
View File

@ -37,6 +37,10 @@ ELSE (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
ENDIF (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
IF(FUSE_FOUND)
add_library(posix_util
../util/posix_util.c
)
add_executable(fuse_dfs
fuse_dfs.c
fuse_options.c

271
hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/common/htable.c Normal file
View File

@ -0,0 +1,271 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "common/htable.h"
#include <errno.h>
#include <inttypes.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
struct htable_pair {
void *key;
void *val;
};
/**
* A hash table which uses linear probing.
*/
struct htable {
uint32_t capacity;
uint32_t used;
htable_hash_fn_t hash_fun;
htable_eq_fn_t eq_fun;
struct htable_pair *elem;
};
/**
* An internal function for inserting a value into the hash table.
*
* Note: this function assumes that you have made enough space in the table.
*
* @param nelem The new element to insert.
* @param capacity The capacity of the hash table.
* @param hash_fun The hash function to use.
* @param key The key to insert.
* @param val The value to insert.
*/
static void htable_insert_internal(struct htable_pair *nelem,
uint32_t capacity, htable_hash_fn_t hash_fun, void *key,
void *val)
{
uint32_t i;
i = hash_fun(key, capacity);
while (1) {
if (!nelem[i].key) {
nelem[i].key = key;
nelem[i].val = val;
return;
}
i++;
if (i == capacity) {
i = 0;
}
}
}
static int htable_realloc(struct htable *htable, uint32_t new_capacity)
{
struct htable_pair *nelem;
uint32_t i, old_capacity = htable->capacity;
htable_hash_fn_t hash_fun = htable->hash_fun;
nelem = calloc(new_capacity, sizeof(struct htable_pair));
if (!nelem) {
return ENOMEM;
}
for (i = 0; i < old_capacity; i++) {
struct htable_pair *pair = htable->elem + i;
htable_insert_internal(nelem, new_capacity, hash_fun,
pair->key, pair->val);
}
free(htable->elem);
htable->elem = nelem;
htable->capacity = new_capacity;
return 0;
}
struct htable *htable_alloc(uint32_t size,
htable_hash_fn_t hash_fun, htable_eq_fn_t eq_fun)
{
struct htable *htable;
htable = calloc(1, sizeof(*htable));
if (!htable) {
return NULL;
}
size = (size + 1) >> 1;
size = size << 1;
if (size < HTABLE_MIN_SIZE) {
size = HTABLE_MIN_SIZE;
}
htable->hash_fun = hash_fun;
htable->eq_fun = eq_fun;
htable->used = 0;
if (htable_realloc(htable, size)) {
free(htable);
return NULL;
}
return htable;
}
void htable_visit(struct htable *htable, visitor_fn_t fun, void *ctx)
{
uint32_t i;
for (i = 0; i != htable->capacity; ++i) {
struct htable_pair *elem = htable->elem + i;
if (elem->key) {
fun(ctx, elem->key, elem->val);
}
}
}
void htable_free(struct htable *htable)
{
if (htable) {
free(htable->elem);
free(htable);
}
}
int htable_put(struct htable *htable, void *key, void *val)
{
int ret;
uint32_t nused;
// NULL is not a valid key value.
// This helps us implement htable_get_internal efficiently, since we know
// that we can stop when we encounter the first NULL key.
if (!key) {
return EINVAL;
}
// NULL is not a valid value. Otherwise the results of htable_get would
// be confusing (does a NULL return mean entry not found, or that the
// entry was found and was NULL?)
if (!val) {
return EINVAL;
}
// Re-hash if we have used more than half of the hash table
nused = htable->used + 1;
if (nused >= (htable->capacity / 2)) {
ret = htable_realloc(htable, htable->capacity * 2);
if (ret)
return ret;
}
htable_insert_internal(htable->elem, htable->capacity,
htable->hash_fun, key, val);
htable->used++;
return 0;
}
static int htable_get_internal(const struct htable *htable,
const void *key, uint32_t *out)
{
uint32_t start_idx, idx;
start_idx = htable->hash_fun(key, htable->capacity);
idx = start_idx;
while (1) {
struct htable_pair *pair = htable->elem + idx;
if (!pair->key) {
// We always maintain the invariant that the entries corresponding
// to a given key are stored in a contiguous block, not separated
// by any NULLs. So if we encounter a NULL, our search is over.
return ENOENT;
} else if (htable->eq_fun(pair->key, key)) {
*out = idx;
return 0;
}
idx++;
if (idx == htable->capacity) {
idx = 0;
}
if (idx == start_idx) {
return ENOENT;
}
}
}
void *htable_get(const struct htable *htable, const void *key)
{
uint32_t idx;
if (htable_get_internal(htable, key, &idx)) {
return NULL;
}
return htable->elem[idx].val;
}
void htable_pop(struct htable *htable, const void *key,
void **found_key, void **found_val)
{
uint32_t hole, i;
const void *nkey;
if (htable_get_internal(htable, key, &hole)) {
*found_key = NULL;
*found_val = NULL;
return;
}
i = hole;
htable->used--;
// We need to maintain the compactness invariant used in
// htable_get_internal. This invariant specifies that the entries for any
// given key are never separated by NULLs (although they may be separated
// by entries for other keys.)
while (1) {
i++;
if (i == htable->capacity) {
i = 0;
}
nkey = htable->elem[i].key;
if (!nkey) {
*found_key = htable->elem[hole].key;
*found_val = htable->elem[hole].val;
htable->elem[hole].key = NULL;
htable->elem[hole].val = NULL;
return;
} else if (htable->eq_fun(key, nkey)) {
htable->elem[hole].key = htable->elem[i].key;
htable->elem[hole].val = htable->elem[i].val;
hole = i;
}
}
}
uint32_t htable_used(const struct htable *htable)
{
return htable->used;
}
uint32_t htable_capacity(const struct htable *htable)
{
return htable->capacity;
}
uint32_t ht_hash_string(const void *str, uint32_t max)
{
const char *s = str;
uint32_t hash = 0;
while (*s) {
hash = (hash * 31) + *s;
s++;
}
return hash % max;
}
int ht_compare_string(const void *a, const void *b)
{
return strcmp(a, b) == 0;
}
// vim: ts=4:sw=4:tw=79:et

161
hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/common/htable.h Normal file
View File

@ -0,0 +1,161 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef HADOOP_CORE_COMMON_HASH_TABLE
#define HADOOP_CORE_COMMON_HASH_TABLE
#include <inttypes.h>
#include <stdio.h>
#include <stdint.h>
#define HTABLE_MIN_SIZE 4
struct htable;
/**
* An HTable hash function.
*
* @param key The key.
* @param capacity The total capacity.
*
* @return The hash slot. Must be less than the capacity.
*/
typedef uint32_t (*htable_hash_fn_t)(const void *key, uint32_t capacity);
/**
* An HTable equality function. Compares two keys.
*
* @param a First key.
* @param b Second key.
*
* @return nonzero if the keys are equal.
*/
typedef int (*htable_eq_fn_t)(const void *a, const void *b);
/**
* Allocate a new hash table.
*
* @param capacity The minimum suggested starting capacity.
* @param hash_fun The hash function to use in this hash table.
* @param eq_fun The equals function to use in this hash table.
*
* @return The new hash table on success; NULL on OOM.
*/
struct htable *htable_alloc(uint32_t capacity, htable_hash_fn_t hash_fun,
htable_eq_fn_t eq_fun);
typedef void (*visitor_fn_t)(void *ctx, void *key, void *val);
/**
* Visit all of the entries in the hash table.
*
* @param htable The hash table.
* @param fun The callback function to invoke on each key and value.
* @param ctx Context pointer to pass to the callback.
*/
void htable_visit(struct htable *htable, visitor_fn_t fun, void *ctx);
/**
* Free the hash table.
*
* It is up the calling code to ensure that the keys and values inside the
* table are de-allocated, if that is necessary.
*
* @param htable The hash table.
*/
void htable_free(struct htable *htable);
/**
* Add an entry to the hash table.
*
* @param htable The hash table.
* @param key The key to add. This cannot be NULL.
* @param fun The value to add. This cannot be NULL.
*
* @return 0 on success;
* EEXIST if the value already exists in the table;
* ENOMEM if there is not enough memory to add the element.
* EFBIG if the hash table has too many entries to fit in 32
* bits.
*/
int htable_put(struct htable *htable, void *key, void *val);
/**
* Get an entry from the hash table.
*
* @param htable The hash table.
* @param key The key to find.
*
* @return NULL if there is no such entry; the entry otherwise.
*/
void *htable_get(const struct htable *htable, const void *key);
/**
* Get an entry from the hash table and remove it.
*
* @param htable The hash table.
* @param key The key for the entry find and remove.
* @param found_key (out param) NULL if the entry was not found; the found key
* otherwise.
* @param found_val (out param) NULL if the entry was not found; the found
* value otherwise.
*/
void htable_pop(struct htable *htable, const void *key,
void **found_key, void **found_val);
/**
* Get the number of entries used in the hash table.
*
* @param htable The hash table.
*
* @return The number of entries used in the hash table.
*/
uint32_t htable_used(const struct htable *htable);
/**
* Get the capacity of the hash table.
*
* @param htable The hash table.
*
* @return The capacity of the hash table.
*/
uint32_t htable_capacity(const struct htable *htable);
/**
* Hash a string.
*
* @param str The string.
* @param max Maximum hash value
*
* @return A number less than max.
*/
uint32_t ht_hash_string(const void *str, uint32_t max);
/**
* Compare two strings.
*
* @param a The first string.
* @param b The second string.
*
* @return 1 if the strings are identical; 0 otherwise.
*/
int ht_compare_string(const void *a, const void *b);
#endif
// vim: ts=4:sw=4:tw=79:et

65
hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/exception.c
View File

@ -19,8 +19,8 @@
#include "exception.h"
#include "hdfs.h"
#include "jni_helper.h"
#include "platform.h"
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -35,54 +35,54 @@ struct ExceptionInfo {
static const struct ExceptionInfo gExceptionInfo[] = {
{
.name = "java.io.FileNotFoundException",
.noPrintFlag = NOPRINT_EXC_FILE_NOT_FOUND,
.excErrno = ENOENT,
"java.io.FileNotFoundException",
NOPRINT_EXC_FILE_NOT_FOUND,
ENOENT,
},
{
.name = "org.apache.hadoop.security.AccessControlException",
.noPrintFlag = NOPRINT_EXC_ACCESS_CONTROL,
.excErrno = EACCES,
"org.apache.hadoop.security.AccessControlException",
NOPRINT_EXC_ACCESS_CONTROL,
EACCES,
},
{
.name = "org.apache.hadoop.fs.UnresolvedLinkException",
.noPrintFlag = NOPRINT_EXC_UNRESOLVED_LINK,
.excErrno = ENOLINK,
"org.apache.hadoop.fs.UnresolvedLinkException",
NOPRINT_EXC_UNRESOLVED_LINK,
ENOLINK,
},
{
.name = "org.apache.hadoop.fs.ParentNotDirectoryException",
.noPrintFlag = NOPRINT_EXC_PARENT_NOT_DIRECTORY,
.excErrno = ENOTDIR,
"org.apache.hadoop.fs.ParentNotDirectoryException",
NOPRINT_EXC_PARENT_NOT_DIRECTORY,
ENOTDIR,
},
{
.name = "java.lang.IllegalArgumentException",
.noPrintFlag = NOPRINT_EXC_ILLEGAL_ARGUMENT,
.excErrno = EINVAL,
"java.lang.IllegalArgumentException",
NOPRINT_EXC_ILLEGAL_ARGUMENT,
EINVAL,
},
{
.name = "java.lang.OutOfMemoryError",
.noPrintFlag = 0,
.excErrno = ENOMEM,
"java.lang.OutOfMemoryError",
0,
ENOMEM,
},
{
.name = "org.apache.hadoop.hdfs.server.namenode.SafeModeException",
.noPrintFlag = 0,
.excErrno = EROFS,
"org.apache.hadoop.hdfs.server.namenode.SafeModeException",
0,
EROFS,
},
{
.name = "org.apache.hadoop.fs.FileAlreadyExistsException",
.noPrintFlag = 0,
.excErrno = EEXIST,
"org.apache.hadoop.fs.FileAlreadyExistsException",
0,
EEXIST,
},
{
.name = "org.apache.hadoop.hdfs.protocol.QuotaExceededException",
.noPrintFlag = 0,
.excErrno = EDQUOT,
"org.apache.hadoop.hdfs.protocol.QuotaExceededException",
0,
EDQUOT,
},
{
.name = "org.apache.hadoop.hdfs.server.namenode.LeaseExpiredException",
.noPrintFlag = 0,
.excErrno = ESTALE,
"org.apache.hadoop.hdfs.server.namenode.LeaseExpiredException",
0,
ESTALE,
},
};
@ -113,6 +113,7 @@ int printExceptionAndFreeV(JNIEnv *env, jthrowable exc, int noPrintFlags,
jstring jStr = NULL;
jvalue jVal;
jthrowable jthr;
const char *stackTrace;
jthr = classNameOfObject(exc, env, &className);
if (jthr) {
@ -148,7 +149,7 @@ int printExceptionAndFreeV(JNIEnv *env, jthrowable exc, int noPrintFlags,
destroyLocalReference(env, jthr);
} else {
jStr = jVal.l;
const char *stackTrace = (*env)->GetStringUTFChars(env, jStr, NULL);
stackTrace = (*env)->GetStringUTFChars(env, jStr, NULL);
if (!stackTrace) {
fprintf(stderr, "(unable to get stack trace for %s exception: "
"GetStringUTFChars error.)\n", className);

10
hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/exception.h
View File

@ -34,13 +34,14 @@
* usually not what you want.)
*/
#include "platform.h"
#include <jni.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <search.h>
#include <pthread.h>
#include <errno.h>
/**
@ -109,7 +110,7 @@ int printExceptionAndFreeV(JNIEnv *env, jthrowable exc, int noPrintFlags,
* object.
*/
int printExceptionAndFree(JNIEnv *env, jthrowable exc, int noPrintFlags,
const char *fmt, ...) __attribute__((format(printf, 4, 5)));
const char *fmt, ...) TYPE_CHECKED_PRINTF_FORMAT(4, 5);
/**
* Print out information about the pending exception and free it.
@ -124,7 +125,7 @@ int printExceptionAndFree(JNIEnv *env, jthrowable exc, int noPrintFlags,
* object.
*/
int printPendingExceptionAndFree(JNIEnv *env, int noPrintFlags,
const char *fmt, ...) __attribute__((format(printf, 3, 4)));
const char *fmt, ...) TYPE_CHECKED_PRINTF_FORMAT(3, 4);
/**
* Get a local reference to the pending exception and clear it.
@ -150,6 +151,7 @@ jthrowable getPendingExceptionAndClear(JNIEnv *env);
* @return A local reference to a RuntimeError
*/
jthrowable newRuntimeError(JNIEnv *env, const char *fmt, ...)
__attribute__((format(printf, 2, 3)));
TYPE_CHECKED_PRINTF_FORMAT(2, 3);
#undef TYPE_CHECKED_PRINTF_FORMAT
#endif

8
hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/expect.c
View File

@ -49,18 +49,18 @@ int expectFileStats(hdfsFile file,
stats->totalShortCircuitBytesRead,
stats->totalZeroCopyBytesRead);
if (expectedTotalBytesRead != UINT64_MAX) {
EXPECT_INT64_EQ(expectedTotalBytesRead, stats->totalBytesRead);
EXPECT_UINT64_EQ(expectedTotalBytesRead, stats->totalBytesRead);
}
if (expectedTotalLocalBytesRead != UINT64_MAX) {
EXPECT_INT64_EQ(expectedTotalLocalBytesRead,
EXPECT_UINT64_EQ(expectedTotalLocalBytesRead,
stats->totalLocalBytesRead);
}
if (expectedTotalShortCircuitBytesRead != UINT64_MAX) {
EXPECT_INT64_EQ(expectedTotalShortCircuitBytesRead,
EXPECT_UINT64_EQ(expectedTotalShortCircuitBytesRead,
stats->totalShortCircuitBytesRead);
}
if (expectedTotalZeroCopyBytesRead != UINT64_MAX) {
EXPECT_INT64_EQ(expectedTotalZeroCopyBytesRead,
EXPECT_UINT64_EQ(expectedTotalZeroCopyBytesRead,
stats->totalZeroCopyBytesRead);
}
hdfsFileFreeReadStatistics(stats);

12
hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/expect.h
View File

@ -126,6 +126,18 @@ struct hdfsFile_internal;
} \
} while (0);
#define EXPECT_UINT64_EQ(x, y) \
do { \
uint64_t __my_ret__ = y; \
int __my_errno__ = errno; \
if (__my_ret__ != (x)) { \
fprintf(stderr, "TEST_ERROR: failed on %s:%d with return " \
"value %"PRIu64" (errno: %d): expected %"PRIu64"\n", \
__FILE__, __LINE__, __my_ret__, __my_errno__, (x)); \
return -1; \
} \
} while (0);
#define RETRY_ON_EINTR_GET_ERRNO(ret, expr) do { \
ret = expr; \
if (!ret) \

416
hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/hdfs.c
View File

File diff suppressed because it is too large Load Diff

265
hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/jni_helper.c
View File

@ -19,20 +19,18 @@
#include "config.h"
#include "exception.h"
#include "jni_helper.h"
#include "platform.h"
#include "common/htable.h"
#include "os/mutexes.h"
#include "os/thread_local_storage.h"
#include <stdio.h>
#include <string.h>
static pthread_mutex_t hdfsHashMutex = PTHREAD_MUTEX_INITIALIZER;
static pthread_mutex_t jvmMutex = PTHREAD_MUTEX_INITIALIZER;
static volatile int hashTableInited = 0;
#define LOCK_HASH_TABLE() pthread_mutex_lock(&hdfsHashMutex)
#define UNLOCK_HASH_TABLE() pthread_mutex_unlock(&hdfsHashMutex)
static struct htable *gClassRefHTable = NULL;
/** The Native return types that methods could return */
#define VOID 'V'
#define JVOID 'V'
#define JOBJECT 'L'
#define JARRAYOBJECT '['
#define JBOOLEAN 'Z'
@ -51,40 +49,10 @@ static volatile int hashTableInited = 0;
*/
#define MAX_HASH_TABLE_ELEM 4096
/** Key that allows us to retrieve thread-local storage */
static pthread_key_t gTlsKey;
/** nonzero if we succeeded in initializing gTlsKey. Protected by the jvmMutex */
static int gTlsKeyInitialized = 0;
/** Pthreads thread-local storage for each library thread. */
struct hdfsTls {
JNIEnv *env;
};
/**
* The function that is called whenever a thread with libhdfs thread local data
* is destroyed.
*
* @param v The thread-local data
* Length of buffer for retrieving created JVMs. (We only ever create one.)
*/
static void hdfsThreadDestructor(void *v)
{
struct hdfsTls *tls = v;
JavaVM *vm;
JNIEnv *env = tls->env;
jint ret;
ret = (*env)->GetJavaVM(env, &vm);
if (ret) {
fprintf(stderr, "hdfsThreadDestructor: GetJavaVM failed with "
"error %d\n", ret);
(*env)->ExceptionDescribe(env);
} else {
(*vm)->DetachCurrentThread(vm);
}
free(tls);
}
#define VM_BUF_LENGTH 1
void destroyLocalReference(JNIEnv *env, jobject jObject)
{
@ -138,67 +106,6 @@ jthrowable newCStr(JNIEnv *env, jstring jstr, char **out)
return NULL;
}
static int hashTableInit(void)
{
if (!hashTableInited) {
LOCK_HASH_TABLE();
if (!hashTableInited) {
if (hcreate(MAX_HASH_TABLE_ELEM) == 0) {
fprintf(stderr, "error creating hashtable, <%d>: %s\n",
errno, strerror(errno));
UNLOCK_HASH_TABLE();
return 0;
}
hashTableInited = 1;
}
UNLOCK_HASH_TABLE();
}
return 1;
}
static int insertEntryIntoTable(const char *key, void *data)
{
ENTRY e, *ep;
if (key == NULL || data == NULL) {
return 0;
}
if (! hashTableInit()) {
return -1;
}
e.data = data;
e.key = (char*)key;
LOCK_HASH_TABLE();
ep = hsearch(e, ENTER);
UNLOCK_HASH_TABLE();
if (ep == NULL) {
fprintf(stderr, "warn adding key (%s) to hash table, <%d>: %s\n",
key, errno, strerror(errno));
}
return 0;
}
static void* searchEntryFromTable(const char *key)
{
ENTRY e,*ep;
if (key == NULL) {
return NULL;
}
hashTableInit();
e.key = (char*)key;
LOCK_HASH_TABLE();
ep = hsearch(e, FIND);
UNLOCK_HASH_TABLE();
if (ep != NULL) {
return ep->data;
}
return NULL;
}
jthrowable invokeMethod(JNIEnv *env, jvalue *retval, MethType methType,
jobject instObj, const char *className,
const char *methName, const char *methSignature, ...)
@ -235,7 +142,7 @@ jthrowable invokeMethod(JNIEnv *env, jvalue *retval, MethType methType,
}
retval->l = jobj;
}
else if (returnType == VOID) {
else if (returnType == JVOID) {
if (methType == STATIC) {
(*env)->CallStaticVoidMethodV(env, cls, mid, args);
}
@ -325,11 +232,11 @@ jthrowable methodIdFromClass(const char *className, const char *methName,
{
jclass cls;
jthrowable jthr;
jmethodID mid = 0;
jthr = globalClassReference(className, env, &cls);
if (jthr)
return jthr;
jmethodID mid = 0;
jthr = validateMethodType(env, methType);
if (jthr)
return jthr;
@ -350,25 +257,50 @@ jthrowable methodIdFromClass(const char *className, const char *methName,
jthrowable globalClassReference(const char *className, JNIEnv *env, jclass *out)
{
jclass clsLocalRef;
jclass cls = searchEntryFromTable(className);
if (cls) {
*out = cls;
return NULL;
jthrowable jthr = NULL;
jclass local_clazz = NULL;
jclass clazz = NULL;
int ret;
mutexLock(&hdfsHashMutex);
if (!gClassRefHTable) {
gClassRefHTable = htable_alloc(MAX_HASH_TABLE_ELEM, ht_hash_string,
ht_compare_string);
if (!gClassRefHTable) {
jthr = newRuntimeError(env, "htable_alloc failed\n");
goto done;
}
}
clsLocalRef = (*env)->FindClass(env,className);
if (clsLocalRef == NULL) {
return getPendingExceptionAndClear(env);
clazz = htable_get(gClassRefHTable, className);
if (clazz) {
*out = clazz;
goto done;
}
cls = (*env)->NewGlobalRef(env, clsLocalRef);
if (cls == NULL) {
(*env)->DeleteLocalRef(env, clsLocalRef);
return getPendingExceptionAndClear(env);
local_clazz = (*env)->FindClass(env,className);
if (!local_clazz) {
jthr = getPendingExceptionAndClear(env);
goto done;
}
(*env)->DeleteLocalRef(env, clsLocalRef);
insertEntryIntoTable(className, cls);
*out = cls;
return NULL;
clazz = (*env)->NewGlobalRef(env, local_clazz);
if (!clazz) {
jthr = getPendingExceptionAndClear(env);
goto done;
}
ret = htable_put(gClassRefHTable, (void*)className, clazz);
if (ret) {
jthr = newRuntimeError(env, "htable_put failed with error "
"code %d\n", ret);
goto done;
}
*out = clazz;
jthr = NULL;
done:
mutexUnlock(&hdfsHashMutex);
(*env)->DeleteLocalRef(env, local_clazz);
if (jthr && clazz) {
(*env)->DeleteGlobalRef(env, clazz);
}
return jthr;
}
jthrowable classNameOfObject(jobject jobj, JNIEnv *env, char **name)
@ -436,14 +368,24 @@ done:
*/
static JNIEnv* getGlobalJNIEnv(void)
{
const jsize vmBufLength = 1;
JavaVM* vmBuf[vmBufLength];
JavaVM* vmBuf[VM_BUF_LENGTH];
JNIEnv *env;
jint rv = 0;
jint noVMs = 0;
jthrowable jthr;
char *hadoopClassPath;
const char *hadoopClassPathVMArg = "-Djava.class.path=";
size_t optHadoopClassPathLen;
char *optHadoopClassPath;
int noArgs = 1;
char *hadoopJvmArgs;
char jvmArgDelims[] = " ";
char *str, *token, *savePtr;
JavaVMInitArgs vm_args;
JavaVM *vm;
JavaVMOption *options;
rv = JNI_GetCreatedJavaVMs(&(vmBuf[0]), vmBufLength, &noVMs);
rv = JNI_GetCreatedJavaVMs(&(vmBuf[0]), VM_BUF_LENGTH, &noVMs);
if (rv != 0) {
fprintf(stderr, "JNI_GetCreatedJavaVMs failed with error: %d\n", rv);
return NULL;
@ -451,23 +393,19 @@ static JNIEnv* getGlobalJNIEnv(void)
if (noVMs == 0) {
//Get the environment variables for initializing the JVM
char *hadoopClassPath = getenv("CLASSPATH");
hadoopClassPath = getenv("CLASSPATH");
if (hadoopClassPath == NULL) {
fprintf(stderr, "Environment variable CLASSPATH not set!\n");
return NULL;
}
char *hadoopClassPathVMArg = "-Djava.class.path=";
size_t optHadoopClassPathLen = strlen(hadoopClassPath) +
optHadoopClassPathLen = strlen(hadoopClassPath) +
strlen(hadoopClassPathVMArg) + 1;
char *optHadoopClassPath = malloc(sizeof(char)*optHadoopClassPathLen);
optHadoopClassPath = malloc(sizeof(char)*optHadoopClassPathLen);
snprintf(optHadoopClassPath, optHadoopClassPathLen,
"%s%s", hadoopClassPathVMArg, hadoopClassPath);
// Determine the # of LIBHDFS_OPTS args
int noArgs = 1;
char *hadoopJvmArgs = getenv("LIBHDFS_OPTS");
char jvmArgDelims[] = " ";
char *str, *token, *savePtr;
hadoopJvmArgs = getenv("LIBHDFS_OPTS");
if (hadoopJvmArgs != NULL) {
hadoopJvmArgs = strdup(hadoopJvmArgs);
for (noArgs = 1, str = hadoopJvmArgs; ; noArgs++, str = NULL) {
@ -480,7 +418,12 @@ static JNIEnv* getGlobalJNIEnv(void)
}
// Now that we know the # args, populate the options array
JavaVMOption options[noArgs];
options = calloc(noArgs, sizeof(JavaVMOption));
if (!options) {
fputs("Call to calloc failed\n", stderr);
free(optHadoopClassPath);
return NULL;
}
options[0].optionString = optHadoopClassPath;
hadoopJvmArgs = getenv("LIBHDFS_OPTS");
if (hadoopJvmArgs != NULL) {
@ -495,8 +438,6 @@ static JNIEnv* getGlobalJNIEnv(void)
}
//Create the VM
JavaVMInitArgs vm_args;
JavaVM *vm;
vm_args.version = JNI_VERSION_1_2;
vm_args.options = options;
vm_args.nOptions = noArgs;
@ -508,6 +449,7 @@ static JNIEnv* getGlobalJNIEnv(void)
free(hadoopJvmArgs);
}
free(optHadoopClassPath);
free(options);
if (rv != 0) {
fprintf(stderr, "Call to JNI_CreateJavaVM failed "
@ -523,7 +465,7 @@ static JNIEnv* getGlobalJNIEnv(void)
}
else {
//Attach this thread to the VM
JavaVM* vm = vmBuf[0];
vm = vmBuf[0];
rv = (*vm)->AttachCurrentThread(vm, (void*)&env, 0);
if (rv != 0) {
fprintf(stderr, "Call to AttachCurrentThread "
@ -557,54 +499,27 @@ static JNIEnv* getGlobalJNIEnv(void)
JNIEnv* getJNIEnv(void)
{
JNIEnv *env;
struct hdfsTls *tls;
int ret;
#ifdef HAVE_BETTER_TLS
static __thread struct hdfsTls *quickTls = NULL;
if (quickTls)
return quickTls->env;
#endif
pthread_mutex_lock(&jvmMutex);
if (!gTlsKeyInitialized) {
ret = pthread_key_create(&gTlsKey, hdfsThreadDestructor);
if (ret) {
pthread_mutex_unlock(&jvmMutex);
fprintf(stderr, "getJNIEnv: pthread_key_create failed with "
"error %d\n", ret);
return NULL;
}
gTlsKeyInitialized = 1;
THREAD_LOCAL_STORAGE_GET_QUICK();
mutexLock(&jvmMutex);
if (threadLocalStorageGet(&env)) {
mutexUnlock(&jvmMutex);
return NULL;
}
tls = pthread_getspecific(gTlsKey);
if (tls) {
pthread_mutex_unlock(&jvmMutex);
return tls->env;
if (env) {
mutexUnlock(&jvmMutex);
return env;
}
env = getGlobalJNIEnv();
pthread_mutex_unlock(&jvmMutex);
mutexUnlock(&jvmMutex);
if (!env) {
fprintf(stderr, "getJNIEnv: getGlobalJNIEnv failed\n");
return NULL;
fprintf(stderr, "getJNIEnv: getGlobalJNIEnv failed\n");
return NULL;
}
tls = calloc(1, sizeof(struct hdfsTls));
if (!tls) {
fprintf(stderr, "getJNIEnv: OOM allocating %zd bytes\n",
sizeof(struct hdfsTls));
return NULL;
if (threadLocalStorageSet(env)) {
return NULL;
}
tls->env = env;
ret = pthread_setspecific(gTlsKey, tls);
if (ret) {
fprintf(stderr, "getJNIEnv: pthread_setspecific failed with "
"error code %d\n", ret);
hdfsThreadDestructor(tls);
return NULL;
}
#ifdef HAVE_BETTER_TLS
quickTls = tls;
#endif
THREAD_LOCAL_STORAGE_SET_QUICK(env);
return env;
}

2
hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/jni_helper.h
View File

@ -24,8 +24,6 @@
#include <stdlib.h>
#include <stdarg.h>
#include <search.h>
#include <pthread.h>
#include <errno.h>
#define PATH_SEPARATOR ':'

6
hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/native_mini_dfs.c
View File

@ -21,6 +21,7 @@
#include "hdfs_test.h"
#include "jni_helper.h"
#include "native_mini_dfs.h"
#include "platform.h"
#include <errno.h>
#include <jni.h>
@ -347,10 +348,11 @@ error_dlr_nn:
int nmdConfigureHdfsBuilder(struct NativeMiniDfsCluster *cl,
struct hdfsBuilder *bld)
{
int port, ret;
int ret;
tPort port;
hdfsBuilderSetNameNode(bld, "localhost");
port = nmdGetNameNodePort(cl);
port = (tPort)nmdGetNameNodePort(cl);
if (port < 0) {
fprintf(stderr, "nmdGetNameNodePort failed with error %d\n", -port);
return EIO;

55
hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/os/mutexes.h Normal file
View File

@ -0,0 +1,55 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef LIBHDFS_MUTEXES_H
#define LIBHDFS_MUTEXES_H
/*
* Defines abstraction over platform-specific mutexes. libhdfs has no formal
* initialization function that users would call from a single-threaded context
* to initialize the library. This creates a challenge for bootstrapping the
* mutexes. To address this, all required mutexes are pre-defined here with
* external storage. Platform-specific implementations must guarantee that the
* mutexes are initialized via static initialization.
*/
#include "platform.h"
/** Mutex protecting the class reference hash table. */
extern mutex hdfsHashMutex;
/** Mutex protecting singleton JVM instance. */
extern mutex jvmMutex;
/**
* Locks a mutex.
*
* @param m mutex
* @return 0 if successful, non-zero otherwise
*/
int mutexLock(mutex *m);
/**
* Unlocks a mutex.
*
* @param m mutex
* @return 0 if successful, non-zero otherwise
*/
int mutexUnlock(mutex *m);
#endif

43
hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/os/posix/mutexes.c Normal file
View File

@ -0,0 +1,43 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "os/mutexes.h"
#include <pthread.h>
#include <stdio.h>
mutex hdfsHashMutex = PTHREAD_MUTEX_INITIALIZER;
mutex jvmMutex = PTHREAD_MUTEX_INITIALIZER;
int mutexLock(mutex *m) {
int ret = pthread_mutex_lock(m);
if (ret) {
fprintf(stderr, "mutexLock: pthread_mutex_lock failed with error %d\n",
ret);
}
return ret;
}
int mutexUnlock(mutex *m) {
int ret = pthread_mutex_unlock(m);
if (ret) {
fprintf(stderr, "mutexUnlock: pthread_mutex_unlock failed with error %d\n",
ret);
}
return ret;
}

34
hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/os/posix/platform.h Normal file
View File

@ -0,0 +1,34 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef LIBHDFS_PLATFORM_H
#define LIBHDFS_PLATFORM_H
#include <pthread.h>
/* Use gcc type-checked format arguments. */
#define TYPE_CHECKED_PRINTF_FORMAT(formatArg, varArgs) \
__attribute__((format(printf, formatArg, varArgs)))
/*
* Mutex and thread data types defined by pthreads.
*/
typedef pthread_mutex_t mutex;
typedef pthread_t threadId;
#endif

52
hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/os/posix/thread.c Normal file
View File

@ -0,0 +1,52 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "os/thread.h"
#include <pthread.h>
#include <stdio.h>
/**
* Defines a helper function that adapts function pointer provided by caller to
* the type required by pthread_create.
*
* @param toRun thread to run
* @return void* result of running thread (always NULL)
*/
static void* runThread(void *toRun) {
const thread *t = toRun;
t->start(t->arg);
return NULL;
}
int threadCreate(thread *t) {
int ret;
ret = pthread_create(&t->id, NULL, runThread, t);
if (ret) {
fprintf(stderr, "threadCreate: pthread_create failed with error %d\n", ret);
}
return ret;
}
int threadJoin(const thread *t) {
int ret = pthread_join(t->id, NULL);
if (ret) {
fprintf(stderr, "threadJoin: pthread_join failed with error %d\n", ret);
}
return ret;
}

80
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@ -0,0 +1,80 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "os/thread_local_storage.h"
#include <jni.h>
#include <pthread.h>
#include <stdio.h>
/** Key that allows us to retrieve thread-local storage */
static pthread_key_t gTlsKey;
/** nonzero if we succeeded in initializing gTlsKey. Protected by the jvmMutex */
static int gTlsKeyInitialized = 0;
/**
* The function that is called whenever a thread with libhdfs thread local data
* is destroyed.
*
* @param v The thread-local data
*/
static void hdfsThreadDestructor(void *v)
{
JavaVM *vm;
JNIEnv *env = v;
jint ret;
ret = (*env)->GetJavaVM(env, &vm);
if (ret) {
fprintf(stderr, "hdfsThreadDestructor: GetJavaVM failed with error %d\n",
ret);
(*env)->ExceptionDescribe(env);
} else {
(*vm)->DetachCurrentThread(vm);
}
}
int threadLocalStorageGet(JNIEnv **env)
{
int ret = 0;
if (!gTlsKeyInitialized) {
ret = pthread_key_create(&gTlsKey, hdfsThreadDestructor);
if (ret) {
fprintf(stderr,
"threadLocalStorageGet: pthread_key_create failed with error %d\n",
ret);
return ret;
}
gTlsKeyInitialized = 1;
}
*env = pthread_getspecific(gTlsKey);
return ret;
}
int threadLocalStorageSet(JNIEnv *env)
{
int ret = pthread_setspecific(gTlsKey, env);
if (ret) {
fprintf(stderr,
"threadLocalStorageSet: pthread_setspecific failed with error %d\n",
ret);
hdfsThreadDestructor(env);
}
return ret;
}

54
hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/os/thread.h Normal file
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@ -0,0 +1,54 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef LIBHDFS_THREAD_H
#define LIBHDFS_THREAD_H
/*
* Defines abstraction over platform-specific threads.
*/
#include "platform.h"
/** Pointer to function to run in thread. */
typedef void (*threadProcedure)(void *);
/** Structure containing a thread's ID, starting address and argument. */
typedef struct {
threadId id;
threadProcedure start;
void *arg;
} thread;
/**
* Creates and immediately starts a new thread.
*
* @param t thread to create
* @return 0 if successful, non-zero otherwise
*/
int threadCreate(thread *t);
/**
* Joins to the given thread, blocking if necessary.
*
* @param t thread to join
* @return 0 if successful, non-zero otherwise
*/
int threadJoin(const thread *t);
#endif

75
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@ -0,0 +1,75 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef LIBHDFS_THREAD_LOCAL_STORAGE_H
#define LIBHDFS_THREAD_LOCAL_STORAGE_H
/*
* Defines abstraction over platform-specific thread-local storage. libhdfs
* currently only needs thread-local storage for a single piece of data: the
* thread's JNIEnv. For simplicity, this interface is defined in terms of
* JNIEnv, not general-purpose thread-local storage of any arbitrary data.
*/
#include <jni.h>
/*
* Most operating systems support the more efficient __thread construct, which
* is initialized by the linker. The following macros use this technique on the
* operating systems that support it.
*/
#ifdef HAVE_BETTER_TLS
#define THREAD_LOCAL_STORAGE_GET_QUICK() \
static __thread JNIEnv *quickTlsEnv = NULL; \
{ \
if (quickTlsEnv) { \
return quickTlsEnv; \
} \
}
#define THREAD_LOCAL_STORAGE_SET_QUICK(env) \
{ \
quickTlsEnv = (env); \
}
#else
#define THREAD_LOCAL_STORAGE_GET_QUICK()
#define THREAD_LOCAL_STORAGE_SET_QUICK(env)
#endif
/**
* Gets the JNIEnv in thread-local storage for the current thread. If the call
* succeeds, and there is a JNIEnv associated with this thread, then returns 0
* and populates env. If the call succeeds, but there is no JNIEnv associated
* with this thread, then returns 0 and sets JNIEnv to NULL. If the call fails,
* then returns non-zero. Only one thread at a time may execute this function.
* The caller is responsible for enforcing mutual exclusion.
*
* @param env JNIEnv out parameter
* @return 0 if successful, non-zero otherwise
*/
int threadLocalStorageGet(JNIEnv **env);
/**
* Sets the JNIEnv in thread-local storage for the current thread.
*
* @param env JNIEnv to set
* @return 0 if successful, non-zero otherwise
*/
int threadLocalStorageSet(JNIEnv *env);
#endif

28
hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/os/windows/inttypes.h Normal file
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@ -0,0 +1,28 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef LIBHDFS_INTTYPES_H
#define LIBHDFS_INTTYPES_H
/* On Windows, inttypes.h does not exist, so manually define what we need. */
#define PRId64 "I64d"
#define PRIu64 "I64u"
typedef unsigned __int64 uint64_t;
#endif

52
hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/os/windows/mutexes.c Normal file
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@ -0,0 +1,52 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "os/mutexes.h"
#include <windows.h>
mutex hdfsHashMutex;
mutex jvmMutex;
/**
* Unfortunately, there is no simple static initializer for a critical section.
* Instead, the API requires calling InitializeCriticalSection. Since libhdfs
* lacks an explicit initialization function, there is no obvious existing place
* for the InitializeCriticalSection calls. To work around this, we define an
* initialization function and instruct the linker to set a pointer to that
* function as a user-defined global initializer. See discussion of CRT
* Initialization:
* http://msdn.microsoft.com/en-us/library/bb918180.aspx
*/
static void __cdecl initializeMutexes(void) {
InitializeCriticalSection(&hdfsHashMutex);
InitializeCriticalSection(&jvmMutex);
}
#pragma section(".CRT$XCU", read)
__declspec(allocate(".CRT$XCU"))
const void (__cdecl *pInitialize)(void) = initializeMutexes;
int mutexLock(mutex *m) {
EnterCriticalSection(m);
return 0;
}
int mutexUnlock(mutex *m) {
LeaveCriticalSection(m);
return 0;
}

86
hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/os/windows/platform.h Normal file
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@ -0,0 +1,86 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef LIBHDFS_PLATFORM_H
#define LIBHDFS_PLATFORM_H
#include <stdio.h>
#include <windows.h>
#include <winsock.h>
/*
* O_ACCMODE defined to match Linux definition.
*/
#ifndef O_ACCMODE
#define O_ACCMODE 0x0003
#endif
/*
* Windows has a different name for its maximum path length constant.
*/
#ifndef PATH_MAX
#define PATH_MAX MAX_PATH
#endif
/*
* Windows does not define EDQUOT and ESTALE in errno.h. The closest equivalents
* are these constants from winsock.h.
*/
#ifndef EDQUOT
#define EDQUOT WSAEDQUOT
#endif
#ifndef ESTALE
#define ESTALE WSAESTALE
#endif
/*
* gcc-style type-checked format arguments are not supported on Windows, so just
* stub this macro.
*/
#define TYPE_CHECKED_PRINTF_FORMAT(formatArg, varArgs)
/*
* Define macros for various string formatting functions not defined on Windows.
* Where possible, we reroute to one of the secure CRT variants. On Windows,
* the preprocessor does support variadic macros, even though they weren't
* defined until C99.
*/
#define snprintf(str, size, format, ...) \
_snprintf_s((str), (size), _TRUNCATE, (format), __VA_ARGS__)
#define strncpy(dest, src, n) \
strncpy_s((dest), (n), (src), _TRUNCATE)
#define strtok_r(str, delim, saveptr) \
strtok_s((str), (delim), (saveptr))
#define vsnprintf(str, size, format, ...) \
vsnprintf_s((str), (size), _TRUNCATE, (format), __VA_ARGS__)
/*
* Mutex data type defined as Windows CRITICAL_SECTION. A critical section (not
* Windows mutex) is used, because libhdfs only needs synchronization of multiple
* threads within a single process, not synchronization across process
* boundaries.
*/
typedef CRITICAL_SECTION mutex;
/*
* Thread data type defined as HANDLE to a Windows thread.
*/
typedef HANDLE threadId;
#endif

66
hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/os/windows/thread.c Normal file
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@ -0,0 +1,66 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "os/thread.h"
#include <stdio.h>
#include <windows.h>
/**
* Defines a helper function that adapts function pointer provided by caller to
* the type required by CreateThread.
*
* @param toRun thread to run
* @return DWORD result of running thread (always 0)
*/
static DWORD runThread(LPVOID toRun) {
const thread *t = toRun;
t->start(t->arg);
return 0;
}
int threadCreate(thread *t) {
DWORD ret = 0;
HANDLE h;
h = CreateThread(NULL, 0, runThread, t, 0, NULL);
if (h) {
t->id = h;
} else {
ret = GetLastError();
fprintf(stderr, "threadCreate: CreateThread failed with error %d\n", ret);
}
return ret;
}
int threadJoin(const thread *t) {
DWORD ret = WaitForSingleObject(t->id, INFINITE);
switch (ret) {
case WAIT_OBJECT_0:
break;
case WAIT_FAILED:
ret = GetLastError();
fprintf(stderr, "threadJoin: WaitForSingleObject failed with error %d\n",
ret);
break;
default:
fprintf(stderr, "threadJoin: WaitForSingleObject unexpected error %d\n",
ret);
break;
}
return ret;
}

164
hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/os/windows/thread_local_storage.c Normal file
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@ -0,0 +1,164 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "os/thread_local_storage.h"
#include <jni.h>
#include <stdio.h>
#include <windows.h>
/** Key that allows us to retrieve thread-local storage */
static DWORD gTlsIndex = TLS_OUT_OF_INDEXES;
/**
* If the current thread has a JNIEnv in thread-local storage, then detaches the
* current thread from the JVM.
*/
static void detachCurrentThreadFromJvm()
{
JNIEnv *env = NULL;
JavaVM *vm;
jint ret;
if (threadLocalStorageGet(&env) || !env) {
return;
}
ret = (*env)->GetJavaVM(env, &vm);
if (ret) {
fprintf(stderr,
"detachCurrentThreadFromJvm: GetJavaVM failed with error %d\n",
ret);
(*env)->ExceptionDescribe(env);
} else {
(*vm)->DetachCurrentThread(vm);
}
}
/**
* Unlike pthreads, the Windows API does not seem to provide a convenient way to
* hook a callback onto thread shutdown. However, the Windows portable
* executable format does define a concept of thread-local storage callbacks.
* Here, we define a function and instruct the linker to set a pointer to that
* function in the segment for thread-local storage callbacks. See page 85 of
* Microsoft Portable Executable and Common Object File Format Specification:
* http://msdn.microsoft.com/en-us/gg463119.aspx
* This technique only works for implicit linking (OS loads DLL on demand), not
* for explicit linking (user code calls LoadLibrary directly). This effectively
* means that we have a known limitation: libhdfs may not work correctly if a
* Windows application attempts to use it via explicit linking.
*
* @param h module handle
* @param reason the reason for calling the callback
* @param pv reserved, unused
*/
static void NTAPI tlsCallback(PVOID h, DWORD reason, PVOID pv)
{
DWORD tlsIndex;
switch (reason) {
case DLL_THREAD_DETACH:
detachCurrentThreadFromJvm();
break;
case DLL_PROCESS_DETACH:
detachCurrentThreadFromJvm();
tlsIndex = gTlsIndex;
gTlsIndex = TLS_OUT_OF_INDEXES;
if (!TlsFree(tlsIndex)) {
fprintf(stderr, "tlsCallback: TlsFree failed with error %d\n",
GetLastError());
}
break;
default:
break;
}
}
/*
* A variable named _tls_used contains the TLS directory, which contains a list
* of pointers to callback functions. Normally, the linker won't retain this
* variable unless the executable has implicit thread-local variables, defined
* using the __declspec(thread) extended storage-class modifier. libhdfs
* doesn't use __declspec(thread), and we have no guarantee that the executable
* linked to libhdfs will use __declspec(thread). By forcing the linker to
* reference _tls_used, we guarantee that the binary retains the TLS directory.
* See Microsoft Visual Studio 10.0/VC/crt/src/tlssup.c .
*/
#pragma comment(linker, "/INCLUDE:_tls_used")
/*
* We must retain a pointer to the callback function. Force the linker to keep
* this symbol, even though it appears that nothing in our source code uses it.
*/
#pragma comment(linker, "/INCLUDE:pTlsCallback")
/*
* Define constant pointer to our callback, and tell the linker to pin it into
* the TLS directory so that it receives thread callbacks. Use external linkage
* to protect against the linker discarding the seemingly unused symbol.
*/
#pragma const_seg(".CRT$XLB")
extern const PIMAGE_TLS_CALLBACK pTlsCallback;
const PIMAGE_TLS_CALLBACK pTlsCallback = tlsCallback;
#pragma const_seg()
int threadLocalStorageGet(JNIEnv **env)
{
LPVOID tls;
DWORD ret;
if (TLS_OUT_OF_INDEXES == gTlsIndex) {
gTlsIndex = TlsAlloc();
if (TLS_OUT_OF_INDEXES == gTlsIndex) {
fprintf(stderr,
"threadLocalStorageGet: TlsAlloc failed with error %d\n",
TLS_OUT_OF_INDEXES);
return TLS_OUT_OF_INDEXES;
}
}
tls = TlsGetValue(gTlsIndex);
if (tls) {
*env = tls;
return 0;
} else {
ret = GetLastError();
if (ERROR_SUCCESS == ret) {
/* Thread-local storage contains NULL, because we haven't set it yet. */
*env = NULL;
return 0;
} else {
/*
* The API call failed. According to documentation, TlsGetValue cannot
* fail as long as the index is a valid index from a successful TlsAlloc
* call. This error handling is purely defensive.
*/
fprintf(stderr,
"threadLocalStorageGet: TlsGetValue failed with error %d\n", ret);
return ret;
}
}
}
int threadLocalStorageSet(JNIEnv *env)
{
DWORD ret = 0;
if (!TlsSetValue(gTlsIndex, (LPVOID)env)) {
ret = GetLastError();
fprintf(stderr,
"threadLocalStorageSet: TlsSetValue failed with error %d\n",
ret);
detachCurrentThreadFromJvm(env);
}
return ret;
}

29
hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/os/windows/unistd.h Normal file
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@ -0,0 +1,29 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef LIBHDFS_UNISTD_H
#define LIBHDFS_UNISTD_H
/* On Windows, unistd.h does not exist, so manually define what we need. */
#include <process.h> /* Declares getpid(). */
#include <windows.h>
/* Re-route sleep to Sleep, converting units from seconds to milliseconds. */
#define sleep(seconds) Sleep((seconds) * 1000)
#endif

230
hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/test/test_libhdfs_ops.c
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@ -18,6 +18,7 @@
#include "hdfs.h"
#include "hdfs_test.h"
#include "platform.h"
#include <inttypes.h>
#include <jni.h>
@ -28,12 +29,13 @@
#include <unistd.h>
void permission_disp(short permissions, char *rtr) {
rtr[9] = '\0';
int i;
short permissionsId;
char* perm;
rtr[9] = '\0';
for(i=2;i>=0;i--)
{
short permissionsId = permissions >> (i * 3) & (short)7;
char* perm;
permissionsId = permissions >> (i * 3) & (short)7;
switch(permissionsId) {
case 7:
perm = "rwx"; break;
@ -60,35 +62,56 @@ void permission_disp(short permissions, char *rtr) {
}
int main(int argc, char **argv) {
char buffer[32];
tSize num_written_bytes;
const char *writePath = "/tmp/testfile.txt";
const char *fileContents = "Hello, World!";
const char *readPath = "/tmp/testfile.txt";
const char *srcPath = "/tmp/testfile.txt";
const char *dstPath = "/tmp/testfile2.txt";
const char *slashTmp = "/tmp";
const char *newDirectory = "/tmp/newdir";
const char *newOwner = "root";
const char *tuser = "nobody";
const char *appendPath = "/tmp/appends";
const char *userPath = "/tmp/usertestfile.txt";
hdfsFS fs = hdfsConnectNewInstance("default", 0);
char buffer[32], buffer2[256], rdbuffer[32];
tSize num_written_bytes, num_read_bytes;
hdfsFS fs, lfs;
hdfsFile writeFile, readFile, localFile, appendFile, userFile;
tOffset currentPos, seekPos;
int exists, totalResult, result, numEntries, i, j;
const char *resp;
hdfsFileInfo *fileInfo, *fileList, *finfo;
char *buffer3;
char permissions[10];
char ***hosts;
short newPerm = 0666;
tTime newMtime, newAtime;
fs = hdfsConnectNewInstance("default", 0);
if(!fs) {
fprintf(stderr, "Oops! Failed to connect to hdfs!\n");
exit(-1);
}
hdfsFS lfs = hdfsConnectNewInstance(NULL, 0);
lfs = hdfsConnectNewInstance(NULL, 0);
if(!lfs) {
fprintf(stderr, "Oops! Failed to connect to 'local' hdfs!\n");
exit(-1);
}
const char* writePath = "/tmp/testfile.txt";
const char* fileContents = "Hello, World!";
{
//Write tests
hdfsFile writeFile = hdfsOpenFile(fs, writePath, O_WRONLY|O_CREAT, 0, 0, 0);
writeFile = hdfsOpenFile(fs, writePath, O_WRONLY|O_CREAT, 0, 0, 0);
if(!writeFile) {
fprintf(stderr, "Failed to open %s for writing!\n", writePath);
exit(-1);
}
fprintf(stderr, "Opened %s for writing successfully...\n", writePath);
num_written_bytes =
hdfsWrite(fs, writeFile, (void*)fileContents, strlen(fileContents)+1);
hdfsWrite(fs, writeFile, (void*)fileContents,
(tSize)(strlen(fileContents)+1));
if (num_written_bytes != strlen(fileContents) + 1) {
fprintf(stderr, "Failed to write correct number of bytes - expected %d, got %d\n",
(int)(strlen(fileContents) + 1), (int)num_written_bytes);
@ -96,7 +119,7 @@ int main(int argc, char **argv) {
}
fprintf(stderr, "Wrote %d bytes\n", num_written_bytes);
tOffset currentPos = -1;
currentPos = -1;
if ((currentPos = hdfsTell(fs, writeFile)) == -1) {
fprintf(stderr,
"Failed to get current file position correctly! Got %ld!\n",
@ -123,15 +146,14 @@ int main(int argc, char **argv) {
{
//Read tests
const char* readPath = "/tmp/testfile.txt";
int exists = hdfsExists(fs, readPath);
exists = hdfsExists(fs, readPath);
if (exists) {
fprintf(stderr, "Failed to validate existence of %s\n", readPath);
exit(-1);
}
hdfsFile readFile = hdfsOpenFile(fs, readPath, O_RDONLY, 0, 0, 0);
readFile = hdfsOpenFile(fs, readPath, O_RDONLY, 0, 0, 0);
if (!readFile) {
fprintf(stderr, "Failed to open %s for reading!\n", readPath);
exit(-1);
@ -146,13 +168,13 @@ int main(int argc, char **argv) {
fprintf(stderr, "hdfsAvailable: %d\n", hdfsAvailable(fs, readFile));
tOffset seekPos = 1;
seekPos = 1;
if(hdfsSeek(fs, readFile, seekPos)) {
fprintf(stderr, "Failed to seek %s for reading!\n", readPath);
exit(-1);
}
tOffset currentPos = -1;
currentPos = -1;
if((currentPos = hdfsTell(fs, readFile)) != seekPos) {
fprintf(stderr,
"Failed to get current file position correctly! Got %ld!\n",
@ -175,7 +197,7 @@ int main(int argc, char **argv) {
exit(-1);
}
memset(buffer, 0, sizeof(buffer));
tSize num_read_bytes = hdfsRead(fs, readFile, (void*)buffer,
num_read_bytes = hdfsRead(fs, readFile, (void*)buffer,
sizeof(buffer));
if (strncmp(fileContents, buffer, strlen(fileContents)) != 0) {
fprintf(stderr, "Failed to read (direct). Expected %s but got %s (%d bytes)\n",
@ -208,14 +230,14 @@ int main(int argc, char **argv) {
hdfsCloseFile(fs, readFile);
// Test correct behaviour for unsupported filesystems
hdfsFile localFile = hdfsOpenFile(lfs, writePath, O_WRONLY|O_CREAT, 0, 0, 0);
localFile = hdfsOpenFile(lfs, writePath, O_WRONLY|O_CREAT, 0, 0, 0);
if(!localFile) {
fprintf(stderr, "Failed to open %s for writing!\n", writePath);
exit(-1);
}
num_written_bytes = hdfsWrite(lfs, localFile, (void*)fileContents,
strlen(fileContents) + 1);
(tSize)(strlen(fileContents) + 1));
hdfsCloseFile(lfs, localFile);
localFile = hdfsOpenFile(lfs, writePath, O_RDONLY, 0, 0, 0);
@ -229,50 +251,43 @@ int main(int argc, char **argv) {
hdfsCloseFile(lfs, localFile);
}
int totalResult = 0;
int result = 0;
totalResult = 0;
result = 0;
{
//Generic file-system operations
const char* srcPath = "/tmp/testfile.txt";
const char* dstPath = "/tmp/testfile2.txt";
fprintf(stderr, "hdfsCopy(remote-local): %s\n", ((result = hdfsCopy(fs, srcPath, lfs, srcPath)) ? "Failed!" : "Success!"));
fprintf(stderr, "hdfsCopy(remote-local): %s\n", ((result = hdfsCopy(fs, srcPath, lfs, srcPath)) != 0 ? "Failed!" : "Success!"));
totalResult += result;
fprintf(stderr, "hdfsCopy(remote-remote): %s\n", ((result = hdfsCopy(fs, srcPath, fs, dstPath)) ? "Failed!" : "Success!"));
fprintf(stderr, "hdfsCopy(remote-remote): %s\n", ((result = hdfsCopy(fs, srcPath, fs, dstPath)) != 0 ? "Failed!" : "Success!"));
totalResult += result;
fprintf(stderr, "hdfsMove(local-local): %s\n", ((result = hdfsMove(lfs, srcPath, lfs, dstPath)) ? "Failed!" : "Success!"));
fprintf(stderr, "hdfsMove(local-local): %s\n", ((result = hdfsMove(lfs, srcPath, lfs, dstPath)) != 0 ? "Failed!" : "Success!"));
totalResult += result;
fprintf(stderr, "hdfsMove(remote-local): %s\n", ((result = hdfsMove(fs, srcPath, lfs, srcPath)) ? "Failed!" : "Success!"));
fprintf(stderr, "hdfsMove(remote-local): %s\n", ((result = hdfsMove(fs, srcPath, lfs, srcPath)) != 0 ? "Failed!" : "Success!"));
totalResult += result;
fprintf(stderr, "hdfsRename: %s\n", ((result = hdfsRename(fs, dstPath, srcPath)) ? "Failed!" : "Success!"));
fprintf(stderr, "hdfsRename: %s\n", ((result = hdfsRename(fs, dstPath, srcPath)) != 0 ? "Failed!" : "Success!"));
totalResult += result;
fprintf(stderr, "hdfsCopy(remote-remote): %s\n", ((result = hdfsCopy(fs, srcPath, fs, dstPath)) ? "Failed!" : "Success!"));
fprintf(stderr, "hdfsCopy(remote-remote): %s\n", ((result = hdfsCopy(fs, srcPath, fs, dstPath)) != 0 ? "Failed!" : "Success!"));
totalResult += result;
const char* slashTmp = "/tmp";
const char* newDirectory = "/tmp/newdir";
fprintf(stderr, "hdfsCreateDirectory: %s\n", ((result = hdfsCreateDirectory(fs, newDirectory)) ? "Failed!" : "Success!"));
fprintf(stderr, "hdfsCreateDirectory: %s\n", ((result = hdfsCreateDirectory(fs, newDirectory)) != 0 ? "Failed!" : "Success!"));
totalResult += result;
fprintf(stderr, "hdfsSetReplication: %s\n", ((result = hdfsSetReplication(fs, srcPath, 2)) ? "Failed!" : "Success!"));
fprintf(stderr, "hdfsSetReplication: %s\n", ((result = hdfsSetReplication(fs, srcPath, 2)) != 0 ? "Failed!" : "Success!"));
totalResult += result;
char buffer[256];
const char *resp;
fprintf(stderr, "hdfsGetWorkingDirectory: %s\n", ((resp = hdfsGetWorkingDirectory(fs, buffer, sizeof(buffer))) ? buffer : "Failed!"));
fprintf(stderr, "hdfsGetWorkingDirectory: %s\n", ((resp = hdfsGetWorkingDirectory(fs, buffer2, sizeof(buffer2))) != 0 ? buffer2 : "Failed!"));
totalResult += (resp ? 0 : 1);
fprintf(stderr, "hdfsSetWorkingDirectory: %s\n", ((result = hdfsSetWorkingDirectory(fs, slashTmp)) ? "Failed!" : "Success!"));
fprintf(stderr, "hdfsSetWorkingDirectory: %s\n", ((result = hdfsSetWorkingDirectory(fs, slashTmp)) != 0 ? "Failed!" : "Success!"));
totalResult += result;
fprintf(stderr, "hdfsGetWorkingDirectory: %s\n", ((resp = hdfsGetWorkingDirectory(fs, buffer, sizeof(buffer))) ? buffer : "Failed!"));
fprintf(stderr, "hdfsGetWorkingDirectory: %s\n", ((resp = hdfsGetWorkingDirectory(fs, buffer2, sizeof(buffer2))) != 0 ? buffer2 : "Failed!"));
totalResult += (resp ? 0 : 1);
fprintf(stderr, "hdfsGetDefaultBlockSize: %ld\n", hdfsGetDefaultBlockSize(fs));
fprintf(stderr, "hdfsGetCapacity: %ld\n", hdfsGetCapacity(fs));
fprintf(stderr, "hdfsGetUsed: %ld\n", hdfsGetUsed(fs));
hdfsFileInfo *fileInfo = NULL;
fileInfo = NULL;
if((fileInfo = hdfsGetPathInfo(fs, slashTmp)) != NULL) {
fprintf(stderr, "hdfsGetPathInfo - SUCCESS!\n");
fprintf(stderr, "Name: %s, ", fileInfo->mName);
@ -283,7 +298,6 @@ int main(int argc, char **argv) {
fprintf(stderr, "LastMod: %s", ctime(&fileInfo->mLastMod));
fprintf(stderr, "Owner: %s, ", fileInfo->mOwner);
fprintf(stderr, "Group: %s, ", fileInfo->mGroup);
char permissions[10];
permission_disp(fileInfo->mPermissions, permissions);
fprintf(stderr, "Permissions: %d (%s)\n", fileInfo->mPermissions, permissions);
hdfsFreeFileInfo(fileInfo, 1);
@ -292,10 +306,8 @@ int main(int argc, char **argv) {
fprintf(stderr, "waah! hdfsGetPathInfo for %s - FAILED!\n", slashTmp);
}
hdfsFileInfo *fileList = 0;
int numEntries = 0;
fileList = 0;
if((fileList = hdfsListDirectory(fs, slashTmp, &numEntries)) != NULL) {
int i = 0;
for(i=0; i < numEntries; ++i) {
fprintf(stderr, "Name: %s, ", fileList[i].mName);
fprintf(stderr, "Type: %c, ", (char)fileList[i].mKind);
@ -305,7 +317,6 @@ int main(int argc, char **argv) {
fprintf(stderr, "LastMod: %s", ctime(&fileList[i].mLastMod));
fprintf(stderr, "Owner: %s, ", fileList[i].mOwner);
fprintf(stderr, "Group: %s, ", fileList[i].mGroup);
char permissions[10];
permission_disp(fileList[i].mPermissions, permissions);
fprintf(stderr, "Permissions: %d (%s)\n", fileList[i].mPermissions, permissions);
}
@ -319,12 +330,12 @@ int main(int argc, char **argv) {
}
}
char*** hosts = hdfsGetHosts(fs, srcPath, 0, 1);
hosts = hdfsGetHosts(fs, srcPath, 0, 1);
if(hosts) {
fprintf(stderr, "hdfsGetHosts - SUCCESS! ... \n");
int i=0;
i=0;
while(hosts[i]) {
int j = 0;
j = 0;
while(hosts[i][j]) {
fprintf(stderr,
"\thosts[%d][%d] - %s\n", i, j, hosts[i][j]);
@ -337,131 +348,129 @@ int main(int argc, char **argv) {
fprintf(stderr, "waah! hdfsGetHosts - FAILED!\n");
}
char *newOwner = "root";
// setting tmp dir to 777 so later when connectAsUser nobody, we can write to it
short newPerm = 0666;
// chown write
fprintf(stderr, "hdfsChown: %s\n", ((result = hdfsChown(fs, writePath, NULL, "users")) ? "Failed!" : "Success!"));
fprintf(stderr, "hdfsChown: %s\n", ((result = hdfsChown(fs, writePath, NULL, "users")) != 0 ? "Failed!" : "Success!"));
totalResult += result;
fprintf(stderr, "hdfsChown: %s\n", ((result = hdfsChown(fs, writePath, newOwner, NULL)) ? "Failed!" : "Success!"));
fprintf(stderr, "hdfsChown: %s\n", ((result = hdfsChown(fs, writePath, newOwner, NULL)) != 0 ? "Failed!" : "Success!"));
totalResult += result;
// chmod write
fprintf(stderr, "hdfsChmod: %s\n", ((result = hdfsChmod(fs, writePath, newPerm)) ? "Failed!" : "Success!"));
fprintf(stderr, "hdfsChmod: %s\n", ((result = hdfsChmod(fs, writePath, newPerm)) != 0 ? "Failed!" : "Success!"));
totalResult += result;
sleep(2);
tTime newMtime = time(NULL);
tTime newAtime = time(NULL);
newMtime = time(NULL);
newAtime = time(NULL);
// utime write
fprintf(stderr, "hdfsUtime: %s\n", ((result = hdfsUtime(fs, writePath, newMtime, newAtime)) ? "Failed!" : "Success!"));
fprintf(stderr, "hdfsUtime: %s\n", ((result = hdfsUtime(fs, writePath, newMtime, newAtime)) != 0 ? "Failed!" : "Success!"));
totalResult += result;
// chown/chmod/utime read
hdfsFileInfo *finfo = hdfsGetPathInfo(fs, writePath);
finfo = hdfsGetPathInfo(fs, writePath);
fprintf(stderr, "hdfsChown read: %s\n", ((result = (strcmp(finfo->mOwner, newOwner) != 0)) ? "Failed!" : "Success!"));
fprintf(stderr, "hdfsChown read: %s\n", ((result = (strcmp(finfo->mOwner, newOwner))) != 0 ? "Failed!" : "Success!"));
totalResult += result;
fprintf(stderr, "hdfsChmod read: %s\n", ((result = (finfo->mPermissions != newPerm)) ? "Failed!" : "Success!"));
fprintf(stderr, "hdfsChmod read: %s\n", ((result = (finfo->mPermissions != newPerm)) != 0 ? "Failed!" : "Success!"));
totalResult += result;
// will later use /tmp/ as a different user so enable it
fprintf(stderr, "hdfsChmod: %s\n", ((result = hdfsChmod(fs, "/tmp/", 0777)) ? "Failed!" : "Success!"));
fprintf(stderr, "hdfsChmod: %s\n", ((result = hdfsChmod(fs, "/tmp/", 0777)) != 0 ? "Failed!" : "Success!"));
totalResult += result;
fprintf(stderr,"newMTime=%ld\n",newMtime);
fprintf(stderr,"curMTime=%ld\n",finfo->mLastMod);
fprintf(stderr, "hdfsUtime read (mtime): %s\n", ((result = (finfo->mLastMod != newMtime)) ? "Failed!" : "Success!"));
fprintf(stderr, "hdfsUtime read (mtime): %s\n", ((result = (finfo->mLastMod != newMtime)) != 0 ? "Failed!" : "Success!"));
totalResult += result;
// No easy way to turn on access times from hdfs_test right now
// fprintf(stderr, "hdfsUtime read (atime): %s\n", ((result = (finfo->mLastAccess != newAtime)) ? "Failed!" : "Success!"));
// fprintf(stderr, "hdfsUtime read (atime): %s\n", ((result = (finfo->mLastAccess != newAtime)) != 0 ? "Failed!" : "Success!"));
// totalResult += result;
hdfsFreeFileInfo(finfo, 1);
// Clean up
fprintf(stderr, "hdfsDelete: %s\n", ((result = hdfsDelete(fs, newDirectory, 1)) ? "Failed!" : "Success!"));
fprintf(stderr, "hdfsDelete: %s\n", ((result = hdfsDelete(fs, newDirectory, 1)) != 0 ? "Failed!" : "Success!"));
totalResult += result;
fprintf(stderr, "hdfsDelete: %s\n", ((result = hdfsDelete(fs, srcPath, 1)) ? "Failed!" : "Success!"));
fprintf(stderr, "hdfsDelete: %s\n", ((result = hdfsDelete(fs, srcPath, 1)) != 0 ? "Failed!" : "Success!"));
totalResult += result;
fprintf(stderr, "hdfsDelete: %s\n", ((result = hdfsDelete(lfs, srcPath, 1)) ? "Failed!" : "Success!"));
fprintf(stderr, "hdfsDelete: %s\n", ((result = hdfsDelete(lfs, srcPath, 1)) != 0 ? "Failed!" : "Success!"));
totalResult += result;
fprintf(stderr, "hdfsDelete: %s\n", ((result = hdfsDelete(lfs, dstPath, 1)) ? "Failed!" : "Success!"));
fprintf(stderr, "hdfsDelete: %s\n", ((result = hdfsDelete(lfs, dstPath, 1)) != 0 ? "Failed!" : "Success!"));
totalResult += result;
fprintf(stderr, "hdfsExists: %s\n", ((result = hdfsExists(fs, newDirectory)) ? "Success!" : "Failed!"));
fprintf(stderr, "hdfsExists: %s\n", ((result = hdfsExists(fs, newDirectory)) != 0 ? "Success!" : "Failed!"));
totalResult += (result ? 0 : 1);
}
{
// TEST APPENDS
const char *writePath = "/tmp/appends";
// CREATE
hdfsFile writeFile = hdfsOpenFile(fs, writePath, O_WRONLY, 0, 0, 0);
if(!writeFile) {
fprintf(stderr, "Failed to open %s for writing!\n", writePath);
appendFile = hdfsOpenFile(fs, appendPath, O_WRONLY, 0, 0, 0);
if(!appendFile) {
fprintf(stderr, "Failed to open %s for writing!\n", appendPath);
exit(-1);
}
fprintf(stderr, "Opened %s for writing successfully...\n", writePath);
fprintf(stderr, "Opened %s for writing successfully...\n", appendPath);
char* buffer = "Hello,";
tSize num_written_bytes = hdfsWrite(fs, writeFile, (void*)buffer, strlen(buffer));
buffer3 = "Hello,";
num_written_bytes = hdfsWrite(fs, appendFile, (void*)buffer3,
(tSize)strlen(buffer3));
fprintf(stderr, "Wrote %d bytes\n", num_written_bytes);
if (hdfsFlush(fs, writeFile)) {
fprintf(stderr, "Failed to 'flush' %s\n", writePath);
if (hdfsFlush(fs, appendFile)) {
fprintf(stderr, "Failed to 'flush' %s\n", appendPath);
exit(-1);
}
fprintf(stderr, "Flushed %s successfully!\n", writePath);
fprintf(stderr, "Flushed %s successfully!\n", appendPath);
hdfsCloseFile(fs, writeFile);
hdfsCloseFile(fs, appendFile);
// RE-OPEN
writeFile = hdfsOpenFile(fs, writePath, O_WRONLY|O_APPEND, 0, 0, 0);
if(!writeFile) {
fprintf(stderr, "Failed to open %s for writing!\n", writePath);
appendFile = hdfsOpenFile(fs, appendPath, O_WRONLY|O_APPEND, 0, 0, 0);
if(!appendFile) {
fprintf(stderr, "Failed to open %s for writing!\n", appendPath);
exit(-1);
}
fprintf(stderr, "Opened %s for writing successfully...\n", writePath);
fprintf(stderr, "Opened %s for writing successfully...\n", appendPath);
buffer = " World";
num_written_bytes = hdfsWrite(fs, writeFile, (void*)buffer, strlen(buffer) + 1);
buffer3 = " World";
num_written_bytes = hdfsWrite(fs, appendFile, (void*)buffer3,
(tSize)(strlen(buffer3) + 1));
fprintf(stderr, "Wrote %d bytes\n", num_written_bytes);
if (hdfsFlush(fs, writeFile)) {
fprintf(stderr, "Failed to 'flush' %s\n", writePath);
if (hdfsFlush(fs, appendFile)) {
fprintf(stderr, "Failed to 'flush' %s\n", appendPath);
exit(-1);
}
fprintf(stderr, "Flushed %s successfully!\n", writePath);
fprintf(stderr, "Flushed %s successfully!\n", appendPath);
hdfsCloseFile(fs, writeFile);
hdfsCloseFile(fs, appendFile);
// CHECK size
hdfsFileInfo *finfo = hdfsGetPathInfo(fs, writePath);
fprintf(stderr, "fileinfo->mSize: == total %s\n", ((result = (finfo->mSize == strlen("Hello, World") + 1)) ? "Success!" : "Failed!"));
finfo = hdfsGetPathInfo(fs, appendPath);
fprintf(stderr, "fileinfo->mSize: == total %s\n", ((result = (finfo->mSize == (tOffset)(strlen("Hello, World") + 1))) == 1 ? "Success!" : "Failed!"));
totalResult += (result ? 0 : 1);
// READ and check data
hdfsFile readFile = hdfsOpenFile(fs, writePath, O_RDONLY, 0, 0, 0);
readFile = hdfsOpenFile(fs, appendPath, O_RDONLY, 0, 0, 0);
if (!readFile) {
fprintf(stderr, "Failed to open %s for reading!\n", writePath);
fprintf(stderr, "Failed to open %s for reading!\n", appendPath);
exit(-1);
}
char rdbuffer[32];
tSize num_read_bytes = hdfsRead(fs, readFile, (void*)rdbuffer, sizeof(rdbuffer));
num_read_bytes = hdfsRead(fs, readFile, (void*)rdbuffer, sizeof(rdbuffer));
fprintf(stderr, "Read following %d bytes:\n%s\n",
num_read_bytes, rdbuffer);
fprintf(stderr, "read == Hello, World %s\n", (result = (strcmp(rdbuffer, "Hello, World") == 0)) ? "Success!" : "Failed!");
fprintf(stderr, "read == Hello, World %s\n", ((result = (strcmp(rdbuffer, "Hello, World"))) == 0 ? "Success!" : "Failed!"));
hdfsCloseFile(fs, readFile);
@ -478,36 +487,33 @@ int main(int argc, char **argv) {
// the actual fs user capabilities. Thus just create a file and read
// the owner is correct.
const char *tuser = "nobody";
const char* writePath = "/tmp/usertestfile.txt";
fs = hdfsConnectAsUserNewInstance("default", 0, tuser);
if(!fs) {
fprintf(stderr, "Oops! Failed to connect to hdfs as user %s!\n",tuser);
exit(-1);
}
hdfsFile writeFile = hdfsOpenFile(fs, writePath, O_WRONLY|O_CREAT, 0, 0, 0);
if(!writeFile) {
fprintf(stderr, "Failed to open %s for writing!\n", writePath);
userFile = hdfsOpenFile(fs, userPath, O_WRONLY|O_CREAT, 0, 0, 0);
if(!userFile) {
fprintf(stderr, "Failed to open %s for writing!\n", userPath);
exit(-1);
}
fprintf(stderr, "Opened %s for writing successfully...\n", writePath);
fprintf(stderr, "Opened %s for writing successfully...\n", userPath);
char* buffer = "Hello, World!";
tSize num_written_bytes = hdfsWrite(fs, writeFile, (void*)buffer, strlen(buffer)+1);
num_written_bytes = hdfsWrite(fs, userFile, (void*)fileContents,
(tSize)(strlen(fileContents)+1));
fprintf(stderr, "Wrote %d bytes\n", num_written_bytes);
if (hdfsFlush(fs, writeFile)) {
fprintf(stderr, "Failed to 'flush' %s\n", writePath);
if (hdfsFlush(fs, userFile)) {
fprintf(stderr, "Failed to 'flush' %s\n", userPath);
exit(-1);
}
fprintf(stderr, "Flushed %s successfully!\n", writePath);
fprintf(stderr, "Flushed %s successfully!\n", userPath);
hdfsCloseFile(fs, writeFile);
hdfsCloseFile(fs, userFile);
hdfsFileInfo *finfo = hdfsGetPathInfo(fs, writePath);
fprintf(stderr, "hdfs new file user is correct: %s\n", ((result = (strcmp(finfo->mOwner, tuser) != 0)) ? "Failed!" : "Success!"));
finfo = hdfsGetPathInfo(fs, userPath);
fprintf(stderr, "hdfs new file user is correct: %s\n", ((result = (strcmp(finfo->mOwner, tuser))) != 0 ? "Failed!" : "Success!"));
totalResult += result;
}

17
hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/test/test_libhdfs_read.c
View File

@ -22,35 +22,38 @@
#include <stdlib.h>
int main(int argc, char **argv) {
hdfsFS fs;
const char *rfile = argv[1];
tSize bufferSize = strtoul(argv[3], NULL, 10);
hdfsFile readFile;
char* buffer;
tSize curSize;
if (argc != 4) {
fprintf(stderr, "Usage: hdfs_read <filename> <filesize> <buffersize>\n");
exit(-1);
}
hdfsFS fs = hdfsConnect("default", 0);
fs = hdfsConnect("default", 0);
if (!fs) {
fprintf(stderr, "Oops! Failed to connect to hdfs!\n");
exit(-1);
}
const char* rfile = argv[1];
tSize bufferSize = strtoul(argv[3], NULL, 10);
hdfsFile readFile = hdfsOpenFile(fs, rfile, O_RDONLY, bufferSize, 0, 0);
readFile = hdfsOpenFile(fs, rfile, O_RDONLY, bufferSize, 0, 0);
if (!readFile) {
fprintf(stderr, "Failed to open %s for writing!\n", rfile);
exit(-2);
}
// data to be written to the file
char* buffer = malloc(sizeof(char) * bufferSize);
buffer = malloc(sizeof(char) * bufferSize);
if(buffer == NULL) {
return -2;
}
// read from the file
tSize curSize = bufferSize;
curSize = bufferSize;
for (; curSize == bufferSize;) {
curSize = hdfsRead(fs, readFile, (void*)buffer, curSize);
}

29
hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/test/test_libhdfs_write.c
View File

@ -21,24 +21,32 @@
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
int main(int argc, char **argv) {
hdfsFS fs;
const char *writeFileName = argv[1];
off_t fileTotalSize = strtoul(argv[2], NULL, 10);
long long tmpBufferSize = strtoul(argv[3], NULL, 10);
tSize bufferSize;
hdfsFile writeFile;
char* buffer;
int i;
off_t nrRemaining;
tSize curSize;
tSize written;
if (argc != 4) {
fprintf(stderr, "Usage: hdfs_write <filename> <filesize> <buffersize>\n");
exit(-1);
}
hdfsFS fs = hdfsConnect("default", 0);
fs = hdfsConnect("default", 0);
if (!fs) {
fprintf(stderr, "Oops! Failed to connect to hdfs!\n");
exit(-1);
}
const char* writeFileName = argv[1];
off_t fileTotalSize = strtoul(argv[2], NULL, 10);
long long tmpBufferSize = strtoul(argv[3], NULL, 10);
// sanity check
if(fileTotalSize == ULONG_MAX && errno == ERANGE) {
fprintf(stderr, "invalid file size %s - must be <= %lu\n", argv[2], ULONG_MAX);
@ -51,30 +59,27 @@ int main(int argc, char **argv) {
exit(-3);
}
tSize bufferSize = tmpBufferSize;
bufferSize = (tSize)tmpBufferSize;
hdfsFile writeFile = hdfsOpenFile(fs, writeFileName, O_WRONLY, bufferSize, 0, 0);
writeFile = hdfsOpenFile(fs, writeFileName, O_WRONLY, bufferSize, 0, 0);
if (!writeFile) {
fprintf(stderr, "Failed to open %s for writing!\n", writeFileName);
exit(-2);
}
// data to be written to the file
char* buffer = malloc(sizeof(char) * bufferSize);
buffer = malloc(sizeof(char) * bufferSize);
if(buffer == NULL) {
fprintf(stderr, "Could not allocate buffer of size %d\n", bufferSize);
return -2;
}
int i = 0;
for (i=0; i < bufferSize; ++i) {
buffer[i] = 'a' + (i%26);
}
// write to the file
off_t nrRemaining;
for (nrRemaining = fileTotalSize; nrRemaining > 0; nrRemaining -= bufferSize ) {
tSize curSize = ( bufferSize < nrRemaining ) ? bufferSize : (tSize)nrRemaining;
tSize written;
curSize = ( bufferSize < nrRemaining ) ? bufferSize : (tSize)nrRemaining;
if ((written = hdfsWrite(fs, writeFile, (void*)buffer, curSize)) != curSize) {
fprintf(stderr, "ERROR: hdfsWrite returned an error on write: %d\n", written);
exit(-3);

31
hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/test/test_libhdfs_zerocopy.c
View File

@ -19,12 +19,12 @@
#include "expect.h"
#include "hdfs.h"
#include "native_mini_dfs.h"
#include "platform.h"
#include <errno.h>
#include <inttypes.h>
#include <semaphore.h>
#include <pthread.h>
#include <unistd.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -53,7 +53,7 @@ static uint8_t *getZeroCopyBlockData(int blockIdx)
exit(1);
}
for (i = 0; i < TEST_ZEROCOPY_FULL_BLOCK_SIZE; i++) {
buf[i] = blockIdx + (i % 17);
buf[i] = (uint8_t)(blockIdx + (i % 17));
}
return buf;
}
@ -69,18 +69,6 @@ static int getZeroCopyBlockLen(int blockIdx)
}
}
static void printBuf(const uint8_t *buf, size_t len) __attribute__((unused));
static void printBuf(const uint8_t *buf, size_t len)
{
size_t i;
for (i = 0; i < len; i++) {
fprintf(stderr, "%02x", buf[i]);
}
fprintf(stderr, "\n");
}
static int doTestZeroCopyReads(hdfsFS fs, const char *fileName)
{
hdfsFile file = NULL;
@ -127,8 +115,9 @@ static int doTestZeroCopyReads(hdfsFS fs, const char *fileName)
EXPECT_NONNULL(block);
EXPECT_ZERO(memcmp(block, hadoopRzBufferGet(buffer), SMALL_READ_LEN));
hadoopRzBufferFree(file, buffer);
EXPECT_INT_EQ(TEST_ZEROCOPY_FULL_BLOCK_SIZE + SMALL_READ_LEN,
hdfsTell(fs, file));
EXPECT_INT64_EQ(
(int64_t)TEST_ZEROCOPY_FULL_BLOCK_SIZE + (int64_t)SMALL_READ_LEN,
hdfsTell(fs, file));
EXPECT_ZERO(expectFileStats(file,
TEST_ZEROCOPY_FULL_BLOCK_SIZE + SMALL_READ_LEN,
TEST_ZEROCOPY_FULL_BLOCK_SIZE + SMALL_READ_LEN,
@ -165,7 +154,7 @@ static int doTestZeroCopyReads(hdfsFS fs, const char *fileName)
free(block);
block = getZeroCopyBlockData(2);
EXPECT_NONNULL(block);
EXPECT_ZERO(memcmp(block, hadoopRzBufferGet(buffer) +
EXPECT_ZERO(memcmp(block, (uint8_t*)hadoopRzBufferGet(buffer) +
(TEST_ZEROCOPY_FULL_BLOCK_SIZE - SMALL_READ_LEN), SMALL_READ_LEN));
hadoopRzBufferFree(file, buffer);
@ -219,8 +208,10 @@ int main(void)
{
int port;
struct NativeMiniDfsConf conf = {
.doFormat = 1,
.configureShortCircuit = 1,
1, /* doFormat */
0, /* webhdfsEnabled */
0, /* namenodeHttpPort */
1, /* configureShortCircuit */
};
char testFileName[TEST_FILE_NAME_LENGTH];
hdfsFS fs;

39
hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/test_libhdfs_threaded.c
View File

@ -19,11 +19,11 @@
#include "expect.h"
#include "hdfs.h"
#include "native_mini_dfs.h"
#include "os/thread.h"
#include <errno.h>
#include <inttypes.h>
#include <semaphore.h>
#include <pthread.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -35,8 +35,6 @@
#define TLH_DEFAULT_BLOCK_SIZE 134217728
static sem_t tlhSem;
static struct NativeMiniDfsCluster* tlhCluster;
struct tlhThreadInfo {
@ -44,18 +42,19 @@ struct tlhThreadInfo {
int threadIdx;
/** 0 = thread was successful; error code otherwise */
int success;
/** pthread identifier */
pthread_t thread;
/** thread identifier */
thread theThread;
};
static int hdfsSingleNameNodeConnect(struct NativeMiniDfsCluster *cl, hdfsFS *fs,
const char *username)
{
int ret, port;
int ret;
tPort port;
hdfsFS hdfs;
struct hdfsBuilder *bld;
port = nmdGetNameNodePort(cl);
port = (tPort)nmdGetNameNodePort(cl);
if (port < 0) {
fprintf(stderr, "hdfsSingleNameNodeConnect: nmdGetNameNodePort "
"returned error %d\n", port);
@ -164,7 +163,7 @@ static int doTestHdfsOperations(struct tlhThreadInfo *ti, hdfsFS fs,
EXPECT_NONNULL(file);
/* TODO: implement writeFully and use it here */
expected = strlen(paths->prefix);
expected = (int)strlen(paths->prefix);
ret = hdfsWrite(fs, file, paths->prefix, expected);
if (ret < 0) {
ret = errno;
@ -186,9 +185,9 @@ static int doTestHdfsOperations(struct tlhThreadInfo *ti, hdfsFS fs,
EXPECT_ZERO(hdfsFileGetReadStatistics(file, &readStats));
errno = 0;
EXPECT_ZERO(readStats->totalBytesRead);
EXPECT_ZERO(readStats->totalLocalBytesRead);
EXPECT_ZERO(readStats->totalShortCircuitBytesRead);
EXPECT_UINT64_EQ(UINT64_C(0), readStats->totalBytesRead);
EXPECT_UINT64_EQ(UINT64_C(0), readStats->totalLocalBytesRead);
EXPECT_UINT64_EQ(UINT64_C(0), readStats->totalShortCircuitBytesRead);
hdfsFileFreeReadStatistics(readStats);
/* TODO: implement readFully and use it here */
ret = hdfsRead(fs, file, tmp, sizeof(tmp));
@ -204,7 +203,7 @@ static int doTestHdfsOperations(struct tlhThreadInfo *ti, hdfsFS fs,
}
EXPECT_ZERO(hdfsFileGetReadStatistics(file, &readStats));
errno = 0;
EXPECT_INT_EQ(expected, readStats->totalBytesRead);
EXPECT_UINT64_EQ((uint64_t)expected, readStats->totalBytesRead);
hdfsFileFreeReadStatistics(readStats);
EXPECT_ZERO(memcmp(paths->prefix, tmp, expected));
EXPECT_ZERO(hdfsCloseFile(fs, file));
@ -262,12 +261,11 @@ static int testHdfsOperationsImpl(struct tlhThreadInfo *ti)
return 0;
}
static void *testHdfsOperations(void *v)
static void testHdfsOperations(void *v)
{
struct tlhThreadInfo *ti = (struct tlhThreadInfo*)v;
int ret = testHdfsOperationsImpl(ti);
ti->success = ret;
return NULL;
}
static int checkFailures(struct tlhThreadInfo *ti, int tlhNumThreads)
@ -304,7 +302,7 @@ int main(void)
const char *tlhNumThreadsStr;
struct tlhThreadInfo ti[TLH_MAX_THREADS];
struct NativeMiniDfsConf conf = {
.doFormat = 1,
1, /* doFormat */
};
tlhNumThreadsStr = getenv("TLH_NUM_THREADS");
@ -323,21 +321,20 @@ int main(void)
ti[i].threadIdx = i;
}
EXPECT_ZERO(sem_init(&tlhSem, 0, tlhNumThreads));
tlhCluster = nmdCreate(&conf);
EXPECT_NONNULL(tlhCluster);
EXPECT_ZERO(nmdWaitClusterUp(tlhCluster));
for (i = 0; i < tlhNumThreads; i++) {
EXPECT_ZERO(pthread_create(&ti[i].thread, NULL,
testHdfsOperations, &ti[i]));
ti[i].theThread.start = testHdfsOperations;
ti[i].theThread.arg = &ti[i];
EXPECT_ZERO(threadCreate(&ti[i].theThread));
}
for (i = 0; i < tlhNumThreads; i++) {
EXPECT_ZERO(pthread_join(ti[i].thread, NULL));
EXPECT_ZERO(threadJoin(&ti[i].theThread));
}
EXPECT_ZERO(nmdShutdown(tlhCluster));
nmdFree(tlhCluster);
EXPECT_ZERO(sem_destroy(&tlhSem));
return checkFailures(ti, tlhNumThreads);
}

2
hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/test_native_mini_dfs.c
View File

@ -22,7 +22,7 @@
#include <errno.h>
static struct NativeMiniDfsConf conf = {
.doFormat = 1,
1, /* doFormat */
};
/**