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- tighten up socket error checking during peek for data on connection check

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This commit is contained in:
Mark Vejvoda 2012-02-11 22:52:52 +00:00
parent 598d8e6713
commit cf1c7c1ca2
2 changed files with 15 additions and 7 deletions
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2
source/shared_lib/include/platform/posix/socket.h
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@ -156,7 +156,7 @@ public:
int getDataToRead(bool wantImmediateReply=false);
int send(const void *data, int dataSize);
int receive(void *data, int dataSize, bool tryReceiveUntilDataSizeMet);
int peek(void *data, int dataSize, bool mustGetData=true);
int peek(void *data, int dataSize, bool mustGetData=true,int *pLastSocketError=NULL);
void setBlock(bool block);
static void setBlock(bool block, PLATFORM_SOCKET socket);

20
source/shared_lib/sources/platform/posix/socket.cpp
View File

@ -1452,7 +1452,7 @@ int Socket::receive(void *data, int dataSize, bool tryReceiveUntilDataSizeMet) {
return static_cast<int>(bytesReceived);
}
int Socket::peek(void *data, int dataSize,bool mustGetData) {
int Socket::peek(void *data, int dataSize,bool mustGetData,int *pLastSocketError) {
Chrono chrono;
if(SystemFlags::getSystemSettingType(SystemFlags::debugNetwork).enabled) chrono.start();
@ -1486,6 +1486,9 @@ int Socket::peek(void *data, int dataSize,bool mustGetData) {
//if(chrono.getMillis() > 1) printf("In [%s::%s Line: %d] action running for msecs: %lld\n",__FILE__,__FUNCTION__,__LINE__,(long long int)chrono.getMillis());
int lastSocketError = getLastSocketError();
if(pLastSocketError != NULL) {
*pLastSocketError = lastSocketError;
}
if(err < 0 && lastSocketError != PLATFORM_SOCKET_TRY_AGAIN) {
if(SystemFlags::getSystemSettingType(SystemFlags::debugNetwork).enabled) SystemFlags::OutputDebug(SystemFlags::debugNetwork,"[%s::%s Line: %d] ERROR PEEKING SOCKET DATA error while sending socket data, err = %d, error = %s\n",__FILE__,__FUNCTION__,__LINE__,err,getLastSocketErrorFormattedText().c_str());
disconnectSocket();
@ -1519,6 +1522,10 @@ int Socket::peek(void *data, int dataSize,bool mustGetData) {
MutexSafeWrapper safeMutex(dataSynchAccessorRead,CODE_AT_LINE);
err = recv(sock, reinterpret_cast<char*>(data), dataSize, MSG_PEEK);
lastSocketError = getLastSocketError();
if(pLastSocketError != NULL) {
*pLastSocketError = lastSocketError;
}
safeMutex.ReleaseLock();
if(SystemFlags::getSystemSettingType(SystemFlags::debugNetwork).enabled) if(chrono.getMillis() > 1) SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d] action running for msecs: %lld\n",__FILE__,__FUNCTION__,__LINE__,(long long int)chrono.getMillis());
@ -1533,7 +1540,7 @@ int Socket::peek(void *data, int dataSize,bool mustGetData) {
if(err <= 0) {
//printf("Peek #3 err = %d\n",err);
lastSocketError = getLastSocketError();
//lastSocketError = getLastSocketError();
if(mustGetData == true || lastSocketError != PLATFORM_SOCKET_TRY_AGAIN) {
int iErr = lastSocketError;
disconnectSocket();
@ -1679,11 +1686,12 @@ bool Socket::isConnected() {
//if the socket is readable it is connected if we can read a byte from it
if(isReadable()) {
char tmp=0;
int err = peek(&tmp, 1, false);
int lastSocketError=0;
int err = peek(&tmp, 1, false, &lastSocketError);
//if(err <= 0 && err != PLATFORM_SOCKET_TRY_AGAIN) {
if(err <= 0) {
if(SystemFlags::getSystemSettingType(SystemFlags::debugNetwork).enabled) SystemFlags::OutputDebug(SystemFlags::debugNetwork,"[%s::%s Line: %d] ERROR Peek failed, err = %d for socket: %d, error = %s\n",__FILE__,__FUNCTION__,__LINE__,err,sock,getLastSocketErrorFormattedText().c_str());
if(SystemFlags::VERBOSE_MODE_ENABLED) SystemFlags::OutputDebug(SystemFlags::debugError,"SOCKET DISCONNECTED In [%s::%s Line: %d] ERROR Peek failed, err = %d for socket: %d, error = %s\n",__FILE__,__FUNCTION__,__LINE__,err,sock,getLastSocketErrorFormattedText().c_str());
if(err <= 0 && lastSocketError != PLATFORM_SOCKET_TRY_AGAIN) {
if(SystemFlags::getSystemSettingType(SystemFlags::debugNetwork).enabled) SystemFlags::OutputDebug(SystemFlags::debugNetwork,"[%s::%s Line: %d] ERROR Peek failed, err = %d for socket: %d, error = %s, lastSocketError = %d\n",__FILE__,__FUNCTION__,__LINE__,err,sock,getLastSocketErrorFormattedText().c_str(),lastSocketError);
if(SystemFlags::VERBOSE_MODE_ENABLED) SystemFlags::OutputDebug(SystemFlags::debugError,"SOCKET DISCONNECTED In [%s::%s Line: %d] ERROR Peek failed, err = %d for socket: %d, error = %s, lastSocketError = %d\n",__FILE__,__FUNCTION__,__LINE__,err,sock,getLastSocketErrorFormattedText().c_str(),lastSocketError);
return false;
}
}