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Still trying to fix the SIGPIPE problem.

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This commit is contained in:
lotodore
2007-10-30 21:02:52 +00:00
parent 7fc3ae4adf
commit fee8450a74
5 changed files with 105 additions and 57 deletions
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src/net/common/senderthread.cpp
+68 -41
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@@ -28,13 +28,14 @@
using namespace std;
#define SEND_ERROR_TIMEOUT_MSEC 20000
#define SEND_ERROR_NORMAL_TIMEOUT_MSEC 20000
#define SEND_ERROR_LOW_PRIO_TIMEOUT_MSEC 10000
#define SEND_TIMEOUT_MSEC 10
#define SEND_QUEUE_SIZE 1000
#define SEND_LOW_PRIO_QUEUE_SIZE 50000
SenderThread::SenderThread(SenderCallback &cb)
: m_tmpOutBufSize(0), m_callback(cb)
: m_tmpOutBufSize(0), m_tmpIsLowPrio(false), m_callback(cb)
{
}
@@ -121,11 +122,6 @@ SenderThread::Main()
while (!ShouldTerminate())
{
if (sendTimer.is_running() && sendTimer.elapsed().total_milliseconds() > SEND_ERROR_TIMEOUT_MSEC)
{
RemoveCurSendData();
sendTimer.reset();
}
// Send remaining bytes of output buffer OR
// copy ONE packet to output buffer.
// For reasons of simplicity, only one packet is sent at a time.
@@ -139,6 +135,7 @@ SenderThread::Main()
{
tmpData = m_outBuf.front();
m_outBuf.pop_front();
m_tmpIsLowPrio = false;
}
}
@@ -150,6 +147,7 @@ SenderThread::Main()
{
tmpData = m_lowPrioOutBuf.front();
m_lowPrioOutBuf.pop_front();
m_tmpIsLowPrio = true;
}
}
@@ -171,63 +169,92 @@ SenderThread::Main()
if (m_tmpOutBufSize)
{
SOCKET tmpSocket = m_curSession->GetSocket();
fd_set writeSet;
struct timeval timeout;
FD_ZERO(&writeSet);
FD_SET(tmpSocket, &writeSet);
// send next chunk of data
int bytesSent = send(tmpSocket, m_tmpOutBuf, m_tmpOutBufSize, SOCKET_SEND_FLAGS);
timeout.tv_sec = 0;
timeout.tv_usec = SEND_TIMEOUT_MSEC * 1000;
int selectResult = select(tmpSocket + 1, NULL, &writeSet, NULL, &timeout);
if (!IS_VALID_SELECT(selectResult))
if (!IS_VALID_SEND(bytesSent))
{
// Never assume that this is a fatal error.
int errCode = SOCKET_ERRNO();
if (errCode != SOCKET_ERR_WOULDBLOCK)
if (errCode == SOCKET_ERR_WOULDBLOCK)
{
fd_set writeSet;
struct timeval timeout;
FD_ZERO(&writeSet);
FD_SET(tmpSocket, &writeSet);
timeout.tv_sec = 0;
timeout.tv_usec = SEND_TIMEOUT_MSEC * 1000;
int selectResult = select(tmpSocket + 1, NULL, &writeSet, NULL, &timeout);
if (!IS_VALID_SELECT(selectResult))
{
// Never assume that this is a fatal error.
int errCode = SOCKET_ERRNO();
if (errCode != SOCKET_ERR_WOULDBLOCK)
{
// Skip this packet - this is bad, and is therefore reported.
// Ignore invalid or not connected sockets.
if (errCode != SOCKET_ERR_NOTCONN && errCode != SOCKET_ERR_NOTSOCK)
m_callback.SignalNetError(m_curSession->GetId(), ERR_SOCK_SELECT_FAILED, errCode);
RemoveCurSendData();
}
Msleep(SEND_TIMEOUT_MSEC);
}
}
else
{
// Skip this packet - this is bad, and is therefore reported.
// Ignore invalid or not connected sockets.
if (errCode != SOCKET_ERR_NOTCONN && errCode != SOCKET_ERR_NOTSOCK)
m_callback.SignalNetError(m_curSession->GetId(), ERR_SOCK_SELECT_FAILED, errCode);
m_callback.SignalNetError(m_curSession->GetId(), ERR_SOCK_SEND_FAILED, errCode);
RemoveCurSendData();
}
Msleep(SEND_TIMEOUT_MSEC);
}
if (selectResult > 0) // send is possible
else if ((unsigned)bytesSent < m_tmpOutBufSize)
{
// send next chunk of data
int bytesSent = send(tmpSocket, m_tmpOutBuf, m_tmpOutBufSize, SOCKET_SEND_FLAGS);
if (!IS_VALID_SEND(bytesSent))
{
// Never assume that this is a fatal error.
int errCode = SOCKET_ERRNO();
if (errCode != SOCKET_ERR_WOULDBLOCK)
{
// Skip this packet - this is bad, and is therefore reported.
// Ignore invalid or not connected sockets.
if (errCode != SOCKET_ERR_NOTCONN && errCode != SOCKET_ERR_NOTSOCK)
m_callback.SignalNetError(m_curSession->GetId(), ERR_SOCK_SEND_FAILED, errCode);
RemoveCurSendData();
}
Msleep(SEND_TIMEOUT_MSEC);
}
else if ((unsigned)bytesSent < m_tmpOutBufSize)
if (bytesSent)
{
m_tmpOutBufSize -= (unsigned)bytesSent;
memmove(m_tmpOutBuf, m_tmpOutBuf + bytesSent, m_tmpOutBufSize);
}
else
{
m_tmpOutBufSize = 0;
m_curSession.reset();
sendTimer.reset();
}
Msleep(SEND_TIMEOUT_MSEC);
}
else
{
m_tmpOutBufSize = 0;
m_curSession.reset();
sendTimer.reset();
}
}
else
Msleep(SEND_TIMEOUT_MSEC);
// Check whether the send timed out.
if (sendTimer.is_running())
{
bool doRemove = false;
unsigned msec = static_cast<unsigned>(sendTimer.elapsed().total_milliseconds());
if (m_tmpIsLowPrio)
{
if (msec > SEND_ERROR_LOW_PRIO_TIMEOUT_MSEC)
doRemove = true;
}
else
{
if (msec > SEND_ERROR_NORMAL_TIMEOUT_MSEC)
doRemove = true;
}
if (doRemove)
{
RemoveCurSendData();
sendTimer.reset();
}
}
}
}