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Code Issues Releases Wiki Activity

check connection state for every write operation

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This commit is contained in:
Darien Raymond 2018-01-17 16:18:38 +01:00
parent b5caea67ac
commit a6c0ef11ba
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GPG Key ID: 7251FFA14BB18169
1 changed files with 33 additions and 16 deletions
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49
transport/internet/kcp/connection.go
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@ -341,21 +341,30 @@ func (c *Connection) Write(b []byte) (int, error) {
totalWritten := 0 totalWritten := 0
for { for {
if c == nil || c.State() != StateActive { dataWritten := false
return totalWritten, io.ErrClosedPipe for {
} if c == nil || c.State() != StateActive {
return totalWritten, io.ErrClosedPipe
}
if !c.sendingWorker.Push(func(bb []byte) (int, error) {
n := copy(bb[:c.mss], b[totalWritten:])
totalWritten += n
return n, nil
}) {
break
}
dataWritten = true
for c.sendingWorker.Push(func(bb []byte) (int, error) {
n := copy(bb[:c.mss], b[totalWritten:])
totalWritten += n
return n, nil
}) {
c.dataUpdater.WakeUp()
if totalWritten == len(b) { if totalWritten == len(b) {
return totalWritten, nil return totalWritten, nil
} }
} }
if dataWritten {
c.dataUpdater.WakeUp()
}
if err := c.waitForDataOutput(); err != nil { if err := c.waitForDataOutput(); err != nil {
return totalWritten, err return totalWritten, err
} }
@ -367,19 +376,27 @@ func (c *Connection) WriteMultiBuffer(mb buf.MultiBuffer) error {
defer mb.Release() defer mb.Release()
for { for {
if c == nil || c.State() != StateActive { dataWritten := false
return io.ErrClosedPipe for {
} if c == nil || c.State() != StateActive {
return io.ErrClosedPipe
}
for c.sendingWorker.Push(func(bb []byte) (int, error) { if !c.sendingWorker.Push(func(bb []byte) (int, error) {
return mb.Read(bb[:c.mss]) return mb.Read(bb[:c.mss])
}) { }) {
c.dataUpdater.WakeUp() break
}
dataWritten = true
if mb.IsEmpty() { if mb.IsEmpty() {
return nil return nil
} }
} }
if dataWritten {
c.dataUpdater.WakeUp()
}
if err := c.waitForDataOutput(); err != nil { if err := c.waitForDataOutput(); err != nil {
return err return err
} }