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packer/rpc: make buffer real big for writes [GH-755]

This commit is contained in:
Mitchell Hashimoto 2013-12-27 09:55:52 -07:00
parent b5f1fd1423
commit be7861080b
1 changed files with 8 additions and 5 deletions
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13
packer/rpc/muxconn.go
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@ -402,10 +402,13 @@ func (m *MuxConn) loop() {
case streamStateFinWait2: case streamStateFinWait2:
fallthrough fallthrough
case streamStateEstablished: case streamStateEstablished:
select { if len(data) > 0 {
case stream.writeCh <- data: select {
default: case stream.writeCh <- data:
panic(fmt.Sprintf("Failed to write data, buffer full for stream %d", id)) default:
panic(fmt.Sprintf(
"Failed to write data, buffer full for stream %d", id))
}
} }
default: default:
log.Printf("[ERR] Data received for stream in state: %d", stream.state) log.Printf("[ERR] Data received for stream in state: %d", stream.state)
@ -469,7 +472,7 @@ const (
func newStream(from muxPacketFrom, id uint32, m *MuxConn) *Stream { func newStream(from muxPacketFrom, id uint32, m *MuxConn) *Stream {
// Create the stream object and channel where data will be sent to // Create the stream object and channel where data will be sent to
dataR, dataW := io.Pipe() dataR, dataW := io.Pipe()
writeCh := make(chan []byte, 256) writeCh := make(chan []byte, 4096)
// Set the data channel so we can write to it. // Set the data channel so we can write to it.
stream := &Stream{ stream := &Stream{