void *Connection::recvData(uint32_t *out_len, void *header_data) {
void *out_data = nullptr;
while (1) {
out_data = _recvData(out_len, header_data);
// If we just handled something private.
if (!out_data && *out_len == (uint32_t)-1) {
continue;
}
break;
}
return out_data;
}
int Packet::assemble(char * data, int size)
{
int lsize = 0, rsize = 0, wsize = 0;
while ((lsize = size - rsize) > 0) {
if (_getHeadLeftSize() > 0) //包头未满，把包头写满
{
wsize = _getHeadLeftSize() < lsize ? _getHeadLeftSize() : lsize;
}
else if (_getLeftSize() > 0) //包数据未满，把整个包写满
{
wsize = _getLeftSize() < lsize ? _getLeftSize() : lsize;
}
_recvData(data + rsize, wsize);
rsize += wsize;
if (_getLeftSize() == 0) //已摘出一个完整包
{
if (!_crcCheck()) //完整性校验
{
LOGGER_ERROR("crcCheck failed sock=%d size=%d lsize=%d rsize=%d", sock, size, lsize, rsize);
return 0;
} else {
return rsize;
}
}
else if (_getLeftSize() < 0)
{
LOGGER_ERROR("_getLeftSize() < 0 sock=%d", sock);
return 0;
}
}
return rsize;
}
