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Convert closesocket 'compat wrapper' to function in netbase
Simpler alternative to #4348. The current setup with closesocket() is strange. It poses as a compatibility wrapper but adds functionality. Rename it and make it a documented utility function in netbase. Code movement only, zero effect on the functionality.
This commit is contained in:
Wladimir J. van der Laan
parent
c4f11ca9c3
commit
43f510d37d
15
src/compat.h
15
src/compat.h
@ -59,19 +59,4 @@ typedef u_int SOCKET;
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#define SOCKET_ERROR -1
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#endif
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inline int myclosesocket(SOCKET& hSocket)
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{
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if (hSocket == INVALID_SOCKET)
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return WSAENOTSOCK;
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#ifdef WIN32
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int ret = closesocket(hSocket);
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#else
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int ret = close(hSocket);
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#endif
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hSocket = INVALID_SOCKET;
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return ret;
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}
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#define closesocket(s) myclosesocket(s)
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#endif
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19
src/net.cpp
19
src/net.cpp
@ -332,7 +332,7 @@ bool GetMyExternalIP2(const CService& addrConnect, const char* pszGet, const cha
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{
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if (!RecvLine(hSocket, strLine))
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{
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closesocket(hSocket);
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CloseSocket(hSocket);
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return false;
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}
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if (pszKeyword == NULL)
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@ -343,7 +343,7 @@ bool GetMyExternalIP2(const CService& addrConnect, const char* pszGet, const cha
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break;
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}
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}
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closesocket(hSocket);
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CloseSocket(hSocket);
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if (strLine.find("<") != string::npos)
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strLine = strLine.substr(0, strLine.find("<"));
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strLine = strLine.substr(strspn(strLine.c_str(), " \t\n\r"));
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@ -357,7 +357,7 @@ bool GetMyExternalIP2(const CService& addrConnect, const char* pszGet, const cha
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return true;
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}
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}
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closesocket(hSocket);
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CloseSocket(hSocket);
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return error("GetMyExternalIP() : connection closed");
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}
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@ -533,8 +533,7 @@ void CNode::CloseSocketDisconnect()
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if (hSocket != INVALID_SOCKET)
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{
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LogPrint("net", "disconnecting peer=%d\n", id);
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closesocket(hSocket);
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hSocket = INVALID_SOCKET;
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CloseSocket(hSocket);
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}
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// in case this fails, we'll empty the recv buffer when the CNode is deleted
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@ -975,12 +974,12 @@ void ThreadSocketHandler()
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}
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else if (nInbound >= nMaxConnections - MAX_OUTBOUND_CONNECTIONS)
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{
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closesocket(hSocket);
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CloseSocket(hSocket);
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}
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else if (CNode::IsBanned(addr) && !whitelisted)
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{
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LogPrintf("connection from %s dropped (banned)\n", addr.ToString());
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closesocket(hSocket);
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CloseSocket(hSocket);
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}
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else
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{
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@ -1817,11 +1816,11 @@ public:
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// Close sockets
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BOOST_FOREACH(CNode* pnode, vNodes)
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if (pnode->hSocket != INVALID_SOCKET)
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closesocket(pnode->hSocket);
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CloseSocket(pnode->hSocket);
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BOOST_FOREACH(ListenSocket& hListenSocket, vhListenSocket)
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if (hListenSocket.socket != INVALID_SOCKET)
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if (closesocket(hListenSocket.socket) == SOCKET_ERROR)
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LogPrintf("closesocket(hListenSocket) failed with error %s\n", NetworkErrorString(WSAGetLastError()));
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if (!CloseSocket(hListenSocket.socket))
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LogPrintf("CloseSocket(hListenSocket) failed with error %s\n", NetworkErrorString(WSAGetLastError()));
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// clean up some globals (to help leak detection)
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BOOST_FOREACH(CNode *pnode, vNodes)
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@ -357,8 +357,7 @@ public:
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{
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if (hSocket != INVALID_SOCKET)
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{
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closesocket(hSocket);
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hSocket = INVALID_SOCKET;
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CloseSocket(hSocket);
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}
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if (pfilter)
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delete pfilter;
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@ -218,7 +218,7 @@ bool static Socks5(string strDest, int port, SOCKET& hSocket)
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LogPrintf("SOCKS5 connecting %s\n", strDest);
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if (strDest.size() > 255)
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{
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closesocket(hSocket);
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CloseSocket(hSocket);
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return error("Hostname too long");
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}
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char pszSocks5Init[] = "\5\1\0";
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@ -227,18 +227,18 @@ bool static Socks5(string strDest, int port, SOCKET& hSocket)
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ssize_t ret = send(hSocket, pszSocks5Init, nSize, MSG_NOSIGNAL);
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if (ret != nSize)
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{
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closesocket(hSocket);
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CloseSocket(hSocket);
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return error("Error sending to proxy");
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}
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char pchRet1[2];
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if (recv(hSocket, pchRet1, 2, 0) != 2)
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{
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closesocket(hSocket);
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CloseSocket(hSocket);
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return error("Error reading proxy response");
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}
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if (pchRet1[0] != 0x05 || pchRet1[1] != 0x00)
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{
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closesocket(hSocket);
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CloseSocket(hSocket);
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return error("Proxy failed to initialize");
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}
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string strSocks5("\5\1");
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@ -250,23 +250,23 @@ bool static Socks5(string strDest, int port, SOCKET& hSocket)
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ret = send(hSocket, strSocks5.c_str(), strSocks5.size(), MSG_NOSIGNAL);
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if (ret != (ssize_t)strSocks5.size())
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{
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closesocket(hSocket);
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CloseSocket(hSocket);
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return error("Error sending to proxy");
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}
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char pchRet2[4];
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if (recv(hSocket, pchRet2, 4, 0) != 4)
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{
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closesocket(hSocket);
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CloseSocket(hSocket);
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return error("Error reading proxy response");
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}
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if (pchRet2[0] != 0x05)
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{
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closesocket(hSocket);
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CloseSocket(hSocket);
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return error("Proxy failed to accept request");
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}
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if (pchRet2[1] != 0x00)
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{
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closesocket(hSocket);
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CloseSocket(hSocket);
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switch (pchRet2[1])
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{
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case 0x01: return error("Proxy error: general failure");
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@ -282,7 +282,7 @@ bool static Socks5(string strDest, int port, SOCKET& hSocket)
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}
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if (pchRet2[2] != 0x00)
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{
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closesocket(hSocket);
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CloseSocket(hSocket);
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return error("Error: malformed proxy response");
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}
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char pchRet3[256];
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@ -294,23 +294,23 @@ bool static Socks5(string strDest, int port, SOCKET& hSocket)
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{
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ret = recv(hSocket, pchRet3, 1, 0) != 1;
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if (ret) {
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closesocket(hSocket);
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CloseSocket(hSocket);
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return error("Error reading from proxy");
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}
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int nRecv = pchRet3[0];
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ret = recv(hSocket, pchRet3, nRecv, 0) != nRecv;
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break;
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}
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default: closesocket(hSocket); return error("Error: malformed proxy response");
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default: CloseSocket(hSocket); return error("Error: malformed proxy response");
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}
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if (ret)
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{
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closesocket(hSocket);
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CloseSocket(hSocket);
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return error("Error reading from proxy");
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}
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if (recv(hSocket, pchRet3, 2, 0) != 2)
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{
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closesocket(hSocket);
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CloseSocket(hSocket);
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return error("Error reading from proxy");
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}
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LogPrintf("SOCKS5 connected %s\n", strDest);
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@ -344,7 +344,7 @@ bool static ConnectSocketDirectly(const CService &addrConnect, SOCKET& hSocketRe
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if (fcntl(hSocket, F_SETFL, fFlags | O_NONBLOCK) == -1)
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#endif
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{
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closesocket(hSocket);
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CloseSocket(hSocket);
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return false;
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}
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@ -365,13 +365,13 @@ bool static ConnectSocketDirectly(const CService &addrConnect, SOCKET& hSocketRe
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if (nRet == 0)
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{
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LogPrint("net", "connection to %s timeout\n", addrConnect.ToString());
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closesocket(hSocket);
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CloseSocket(hSocket);
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return false;
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}
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if (nRet == SOCKET_ERROR)
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{
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LogPrintf("select() for %s failed: %s\n", addrConnect.ToString(), NetworkErrorString(WSAGetLastError()));
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closesocket(hSocket);
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CloseSocket(hSocket);
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return false;
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}
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socklen_t nRetSize = sizeof(nRet);
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@ -382,13 +382,13 @@ bool static ConnectSocketDirectly(const CService &addrConnect, SOCKET& hSocketRe
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#endif
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{
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LogPrintf("getsockopt() for %s failed: %s\n", addrConnect.ToString(), NetworkErrorString(WSAGetLastError()));
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closesocket(hSocket);
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CloseSocket(hSocket);
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return false;
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}
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if (nRet != 0)
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{
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LogPrintf("connect() to %s failed after select(): %s\n", addrConnect.ToString(), NetworkErrorString(nRet));
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closesocket(hSocket);
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CloseSocket(hSocket);
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return false;
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}
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}
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@ -399,7 +399,7 @@ bool static ConnectSocketDirectly(const CService &addrConnect, SOCKET& hSocketRe
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#endif
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{
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LogPrintf("connect() to %s failed: %s\n", addrConnect.ToString(), NetworkErrorString(WSAGetLastError()));
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closesocket(hSocket);
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CloseSocket(hSocket);
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return false;
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}
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}
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@ -415,7 +415,7 @@ bool static ConnectSocketDirectly(const CService &addrConnect, SOCKET& hSocketRe
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if (fcntl(hSocket, F_SETFL, fFlags & ~O_NONBLOCK) == SOCKET_ERROR)
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#endif
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{
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closesocket(hSocket);
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CloseSocket(hSocket);
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return false;
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}
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@ -1258,3 +1258,16 @@ std::string NetworkErrorString(int err)
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return strprintf("%s (%d)", s, err);
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}
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#endif
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bool CloseSocket(SOCKET& hSocket)
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{
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if (hSocket == INVALID_SOCKET)
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return false;
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#ifdef WIN32
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int ret = closesocket(hSocket);
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#else
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int ret = close(hSocket);
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#endif
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hSocket = INVALID_SOCKET;
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return ret != SOCKET_ERROR;
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}
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@ -178,5 +178,7 @@ bool ConnectSocket(const CService &addr, SOCKET& hSocketRet, int nTimeout = nCon
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bool ConnectSocketByName(CService &addr, SOCKET& hSocketRet, const char *pszDest, int portDefault = 0, int nTimeout = nConnectTimeout);
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/** Return readable error string for a network error code */
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std::string NetworkErrorString(int err);
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/** Close socket and set hSocket to INVALID_SOCKET */
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bool CloseSocket(SOCKET& hSocket);
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#endif
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