static int memory_read(BIO *b, char *out, int outl)
{
int ret = -1;
char* buf;
int size;
BIO_memory_data* pData = (BIO_memory_data*)b->ptr;
//
//BIO_clear_retry_flags(b);
//
CWLockSafeList(pData->pRecvAddress);
// Used only in DTLS handshake
while (CWGetCountElementFromSafeList(pData->pRecvAddress) == 0){
CWWaitElementFromSafeList(pData->pRecvAddress);
}
buf = (char*)CWRemoveHeadElementFromSafeList(pData->pRecvAddress, &size);
CWUnlockSafeList(pData->pRecvAddress);
if ((buf == NULL) || (size <= 0))
CWLog("Warning empty buffer");
else
{
ret = ((size < outl) ? size : outl) - 4;
memcpy(out, buf + 4, ret);
CW_FREE_OBJECT(buf);
}
return ret;
}
CWBool CWWTPCheckForBindingFrame()
{
//
CWLockSafeList(gFrameList);
while (CWGetCountElementFromSafeList(gFrameList) > 0)
{
CWBindingDataListElement* dataFirstElem = CWRemoveHeadElementFromSafeList(gFrameList, NULL);
if (dataFirstElem)
{
int k;
int fragmentsNum = 0;
CWProtocolMessage *completeMsgPtr = NULL;
if (!CWAssembleDataMessage(&completeMsgPtr,
&fragmentsNum,
gWTPPathMTU,
dataFirstElem->frame,
dataFirstElem->bindingValues,
#ifdef CW_NO_DTLS
CW_PACKET_PLAIN
#else
(gDtlsSecurity == 1)?CW_PACKET_CRYPT:CW_PACKET_PLAIN /* 0-CW_PACKET_PLAIN, 1-CW_PACKET_CRYPT */
#endif
))
{
for(k = 0; k < fragmentsNum; k++)
{
CW_FREE_PROTOCOL_MESSAGE(completeMsgPtr[k]);
}
CW_FREE_OBJECT(completeMsgPtr);
CW_FREE_PROTOCOL_MESSAGE(*(dataFirstElem->frame));
CW_FREE_OBJECT(dataFirstElem->frame);
CW_FREE_OBJECT(dataFirstElem->bindingValues);
CW_FREE_OBJECT(dataFirstElem);
continue;
}
for (k = 0; k < fragmentsNum; k++)
{
#ifndef CW_NO_DTLS
if(gDtlsSecurity == 1)
{
if (!CWSecuritySend(gWTPSession, completeMsgPtr[k].msg, completeMsgPtr[k].offset))
{
CWDebugLog("Failure sending Request");
break; //gzm break don't unlockSafeList ???
}
}
else
#endif
{
if (!CWNetworkSendUnsafeUnconnected(gWTPSocket, &(gACInfoPtr->preferredAddress), completeMsgPtr[k].msg, completeMsgPtr[k].offset))
{
CWDebugLog("Failure sending Request");
break; //gzm break don't unlockSafeList ???
}
}
}
for (k = 0; k < fragmentsNum; k++)
{
CW_FREE_PROTOCOL_MESSAGE(completeMsgPtr[k]);
}
CW_FREE_OBJECT(completeMsgPtr);
CW_FREE_PROTOCOL_MESSAGE(*(dataFirstElem->frame));
CW_FREE_OBJECT(dataFirstElem->frame);
CW_FREE_OBJECT(dataFirstElem->bindingValues);
CW_FREE_OBJECT(dataFirstElem);
}
}
CWUnlockSafeList(gFrameList);
return CW_TRUE;
}
