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https://github.com/OpenFusionProject/OpenFusion.git
synced 2024-11-04 22:40:05 +00:00
Switch to non-blocking sockets + poll(); prepare for Windows logic
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3a2b488f33
commit
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@ -72,7 +72,7 @@ bool CNSocket::sendData(uint8_t* data, int size) {
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int maxTries = 10;
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while (sentBytes < size) {
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int sent = send(sock, (buffer_t*)(data + sentBytes), size - sentBytes, MSG_DONTWAIT);
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int sent = send(sock, (buffer_t*)(data + sentBytes), size - sentBytes, 0);
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if (SOCKETERROR(sent)) {
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if (OF_ERRNO == OF_EWOULD && maxTries > 0) {
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maxTries--;
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@ -184,7 +184,8 @@ void CNSocket::step() {
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return;
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}
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}
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else if (readSize > 0 && readBufferIndex < readSize) {
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if (readSize > 0 && readBufferIndex < readSize) {
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// read until the end of the packet! (or at least try too)
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int recved = recv(sock, (buffer_t*)(readBuffer + readBufferIndex), readSize - readBufferIndex, 0);
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if (!SOCKETERROR(recved))
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@ -249,6 +250,17 @@ void CNServer::init() {
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std::cerr << "[FATAL] OpenFusion: listen failed" << std::endl;
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exit(EXIT_FAILURE);
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}
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// set server listener to non-blocking
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#ifdef _WIN32
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unsigned long mode = 1;
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if (ioctlsocket(sock, FIONBIO, &mode) != 0) {
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#else
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if (fcntl(sock, F_SETFL, (fcntl(sock, F_GETFL, 0) | O_NONBLOCK)) != 0) {
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#endif
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std::cerr << "[FATAL] OpenFusion: fcntl failed" << std::endl;
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exit(EXIT_FAILURE);
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}
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}
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CNServer::CNServer() {};
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@ -256,7 +268,7 @@ CNServer::CNServer(uint16_t p): port(p) {}
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void CNServer::start() {
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int nfds = 1, oldnfds;
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struct pollfd fds[20]; // TODO: dynamically grow
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struct pollfd fds[30]; // TODO: dynamically grow
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memset(&fds, 0, sizeof(fds));
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@ -267,9 +279,6 @@ void CNServer::start() {
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std::cout << "Starting server at *:" << port << std::endl;
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// listen to new connections, add to connection list
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while (active) {
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//std::lock_guard<std::mutex> lock(activeCrit);
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#if 1
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// the timeout is to ensure shard timers are ticking
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//std::cout << "pre-poll\n";
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int n = poll((struct pollfd *)&fds, nfds, 200);
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@ -303,10 +312,29 @@ void CNServer::start() {
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continue;
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}
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// set it to non-blocking mode
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#ifdef _WIN32
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unsigned long mode = 1;
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if (ioctlsocket(newConnectionSocket, FIONBIO, &mode) != 0) {
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#else
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if (fcntl(newConnectionSocket, F_SETFL, (fcntl(sock, F_GETFL, 0) | O_NONBLOCK)) != 0) {
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#endif
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std::cerr << "[WARN] OpenFusion: fcntl failed on new connection" << std::endl;
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#ifdef _WIN32
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shutdown(newConnectionSocket, SD_BOTH);
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closesocket(newConnectionSocket);
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#else
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shutdown(newConnectionSocket, SHUT_RDWR);
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close(newConnectionSocket);
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#endif
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n--;
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continue;
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}
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std::cout << "New connection! " << inet_ntoa(address.sin_addr) << std::endl;
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// add to pollfds
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assert(nfds < 20); // XXX
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assert(nfds < 30); // XXX
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fds[nfds].fd = newConnectionSocket;
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fds[nfds].events = POLLIN;
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nfds++;
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@ -365,52 +393,6 @@ void CNServer::start() {
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n--;
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}
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#else
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// listen for a new connection
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SOCKET newConnectionSocket = accept(sock, (struct sockaddr *)&(address), (socklen_t*)&(addressSize));
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if (!SOCKETINVALID(newConnectionSocket)) {
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// new connection! make sure to set non-blocking!
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#ifdef _WIN32
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unsigned long mode = 1;
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if (ioctlsocket(newConnectionSocket, FIONBIO, &mode) != 0) {
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#else
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if (fcntl(newConnectionSocket, F_SETFL, (fcntl(sock, F_GETFL, 0) | O_NONBLOCK)) != 0) {
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#endif
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std::cerr << "[WARN] OpenFusion: fcntl failed on new connection" << std::endl;
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#ifdef _WIN32
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shutdown(newConnectionSocket, SD_BOTH);
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closesocket(newConnectionSocket);
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#else
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shutdown(newConnectionSocket, SHUT_RDWR);
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close(newConnectionSocket);
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#endif
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continue;
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}
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std::cout << "New connection! " << inet_ntoa(address.sin_addr) << std::endl;
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// add connection to list!
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CNSocket* tmp = new CNSocket(newConnectionSocket, pHandler);
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connections.push_back(tmp);
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newConnection(tmp);
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}
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// for each connection, check if it's alive, if not kill it!
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std::list<CNSocket*>::iterator i = connections.begin();
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while (i != connections.end()) {
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CNSocket* cSock = *i;
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if (cSock->isAlive()) {
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cSock->step();
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++i; // go to the next element
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} else {
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killConnection(cSock);
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connections.erase(i++);
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delete cSock;
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}
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}
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#endif
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onStep();
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activeCrit.unlock();
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