requires LOCK(cs_vSend)
| 883 | |
| 884 | // requires LOCK(cs_vSend) |
| 885 | size_t CConnman::SocketSendData(CNode *pnode) const |
| 886 | { |
| 887 | auto it = pnode->vSendMsg.begin(); |
| 888 | size_t nSentSize = 0; |
| 889 | |
| 890 | while (it != pnode->vSendMsg.end()) { |
| 891 | const auto &data = *it; |
| 892 | assert(data.size() > pnode->nSendOffset); |
| 893 | int nBytes = 0; |
| 894 | { |
| 895 | LOCK(pnode->cs_hSocket); |
| 896 | if (pnode->hSocket == INVALID_SOCKET) |
| 897 | break; |
| 898 | nBytes = send(pnode->hSocket, reinterpret_cast<const char*>(data.data()) + pnode->nSendOffset, data.size() - pnode->nSendOffset, MSG_NOSIGNAL | MSG_DONTWAIT); |
| 899 | } |
| 900 | if (nBytes > 0) { |
| 901 | pnode->nLastSend = GetSystemTimeInSeconds(); |
| 902 | pnode->nSendBytes += nBytes; |
| 903 | pnode->nSendOffset += nBytes; |
| 904 | nSentSize += nBytes; |
| 905 | if (pnode->nSendOffset == data.size()) { |
| 906 | pnode->nSendOffset = 0; |
| 907 | pnode->nSendSize -= data.size(); |
| 908 | pnode->fPauseSend = pnode->nSendSize > nSendBufferMaxSize; |
| 909 | it++; |
| 910 | } else { |
| 911 | // could not send full message; stop sending more |
| 912 | break; |
| 913 | } |
| 914 | } else { |
| 915 | if (nBytes < 0) { |
| 916 | // error |
| 917 | int nErr = WSAGetLastError(); |
| 918 | if (nErr != WSAEWOULDBLOCK && nErr != WSAEMSGSIZE && nErr != WSAEINTR && nErr != WSAEINPROGRESS) |
| 919 | { |
| 920 | LogPrintf("socket send error %s\n", NetworkErrorString(nErr)); |
| 921 | pnode->CloseSocketDisconnect(); |
| 922 | } |
| 923 | } |
| 924 | // couldn't send anything at all |
| 925 | break; |
| 926 | } |
| 927 | } |
| 928 | |
| 929 | if (it == pnode->vSendMsg.end()) { |
| 930 | assert(pnode->nSendOffset == 0); |
| 931 | assert(pnode->nSendSize == 0); |
| 932 | } |
| 933 | pnode->vSendMsg.erase(pnode->vSendMsg.begin(), it); |
| 934 | return nSentSize; |
| 935 | } |
| 936 | |
| 937 | struct NodeEvictionCandidate |
| 938 | { |
nothing calls this directly
no test coverage detected