|
@@ -1,208 +0,0 @@
|
|
|
-#include "socketio.hpp"
|
|
|
-#include <stdio.h>
|
|
|
-#include <cstdint>
|
|
|
-#include <cinttypes>
|
|
|
-#include <winsock2.h>
|
|
|
-#include <ws2tcpip.h>
|
|
|
-#pragma comment(lib, "ws2_32.lib")
|
|
|
-#include <string>
|
|
|
-#include <cstring>
|
|
|
-#include <vector>
|
|
|
-#include <iostream>
|
|
|
-
|
|
|
-#ifdef _MSC_VER
|
|
|
-#undef min
|
|
|
-#ifdef _WIN64
|
|
|
-using ssize_t = std::int64_t;
|
|
|
-#endif
|
|
|
-#ifndef _WIN64
|
|
|
-using ssize_t = std::int32_t;
|
|
|
-#endif
|
|
|
-template<typename T>
|
|
|
-const T& min(const T& a,const T& b){
|
|
|
- return (b < a) ? b : a;
|
|
|
-}
|
|
|
-#else
|
|
|
-using std::min;
|
|
|
-#endif
|
|
|
-
|
|
|
-using std::size_t;
|
|
|
-
|
|
|
-struct socket_exception : public std::exception {
|
|
|
- std::string msg;
|
|
|
- socket_exception(std::string&& _msg) {
|
|
|
- msg = std::move(_msg);
|
|
|
- }
|
|
|
- socket_exception(const std::string& _msg) {
|
|
|
- msg = _msg;
|
|
|
- }
|
|
|
- socket_exception(const char* _msg) {
|
|
|
- msg = std::string(_msg);
|
|
|
- }
|
|
|
- const virtual char* what() const throw () {
|
|
|
- //return "asdasdsa";
|
|
|
- return msg.length() == 0 ? "Connection creation failure" : msg.c_str();
|
|
|
- }
|
|
|
-};
|
|
|
-
|
|
|
-std::string GetLastErrorAsString() {
|
|
|
- //Get the error message, if any.
|
|
|
- DWORD errorMessageID = ::GetLastError();
|
|
|
- if (errorMessageID == 0)
|
|
|
- return std::string();
|
|
|
-
|
|
|
- LPSTR messageBuffer = nullptr;
|
|
|
- size_t size = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
|
|
|
- NULL, errorMessageID, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR)&messageBuffer, 0, NULL);
|
|
|
-
|
|
|
- std::string message(messageBuffer, size);
|
|
|
-
|
|
|
- //Free the buffer.
|
|
|
- LocalFree(messageBuffer);
|
|
|
-
|
|
|
- return message;
|
|
|
-}
|
|
|
-
|
|
|
-cppsocket::cppsocket() {
|
|
|
- buffer = std::vector<char>(buffersize + 1, 0);
|
|
|
-}
|
|
|
-cppsocket::cppsocket(cppsocket&& o) {
|
|
|
- s = o.s;
|
|
|
- o.s = INVALID_SOCKET;
|
|
|
- buffer = std::move(o.buffer);
|
|
|
-}
|
|
|
-cppsocket::cppsocket(WSADATA d, SOCKET _s) {
|
|
|
- s = _s;
|
|
|
- wsa = d;
|
|
|
- buffer = std::vector<char>(buffersize + 1, 0);
|
|
|
-}
|
|
|
-cppsocket::cppsocket(const std::string& addr, unsigned int PORT) {
|
|
|
- struct sockaddr_in server;
|
|
|
- buffer = std::vector<char>(buffersize + 1, 0);
|
|
|
- int recv_size;
|
|
|
-
|
|
|
- if (WSAStartup(MAKEWORD(2, 2), &wsa) != 0) {
|
|
|
- throw socket_exception(std::string("Socket creation error: ") + GetLastErrorAsString());
|
|
|
- }
|
|
|
-
|
|
|
- if ((s = socket(AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) {
|
|
|
- throw socket_exception(std::string("Socket creation error: ") + GetLastErrorAsString());
|
|
|
- }
|
|
|
-
|
|
|
- server.sin_addr.s_addr = inet_addr(addr.c_str());
|
|
|
- server.sin_family = AF_INET;
|
|
|
- server.sin_port = htons(PORT);
|
|
|
-
|
|
|
- if (connect(s, (struct sockaddr *)&server, sizeof(server)) < 0) {
|
|
|
- throw socket_exception(std::string("Could not connect to host: ") + GetLastErrorAsString());
|
|
|
- }
|
|
|
-}
|
|
|
-void cppsocket::write(const std::string& message) {
|
|
|
- std::vector<char> msg(message.c_str(), message.c_str() + message.size());
|
|
|
- write(msg);
|
|
|
-}
|
|
|
-void cppsocket::write(const std::vector<char>& message) {
|
|
|
- for (size_t i = 0; i < message.size(); i += buffersize) {
|
|
|
- char cs[buffersize + 1] = { 0 };
|
|
|
- std::memcpy(cs, message.data() + i, buffersize);
|
|
|
- if ((i + buffersize) < message.size()) {
|
|
|
- cs[buffersize] = 'c';
|
|
|
- if (send(s, cs, buffersize + 1, 0) < 0) {
|
|
|
- throw socket_exception(std::string("Couldn't write to peer: ") + GetLastErrorAsString());
|
|
|
- }
|
|
|
- }
|
|
|
- else {
|
|
|
- cs[message.size() - i] = (char)0;
|
|
|
- if (send(s, cs, message.size() - i, 0) < 0) {
|
|
|
- throw socket_exception(std::string("Couldn't write to peer: ") + GetLastErrorAsString());
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-}
|
|
|
-std::vector<char> cppsocket::receive() {
|
|
|
- std::vector<char> stor;
|
|
|
- while (true) {
|
|
|
- std::fill(buffer.begin(), buffer.end(), (char)0);
|
|
|
- ssize_t val = recv(s, buffer.data(), buffersize + 1, 0);
|
|
|
- if (val == 0)throw socket_exception("Connection closed by peer");
|
|
|
- if (val < 0) {
|
|
|
- throw socket_exception(GetLastErrorAsString());
|
|
|
- }
|
|
|
- stor.insert(stor.end(), buffer.begin(), buffer.begin() + min(val, (ssize_t)buffersize));
|
|
|
- if (buffer.data()[buffersize] == (char)0) { break; }
|
|
|
- }
|
|
|
- std::cout << std::endl;
|
|
|
- return stor;
|
|
|
-}
|
|
|
-void cppsocket::close() {
|
|
|
- closesocket(s);
|
|
|
-}
|
|
|
-
|
|
|
-server_socket::server_socket(int port) {
|
|
|
- struct addrinfo *result = NULL;
|
|
|
- struct addrinfo hints;
|
|
|
- iResult = WSAStartup(MAKEWORD(2, 2), &wsaData);
|
|
|
- if (iResult != 0) {
|
|
|
- printf("WSAStartup failed with error: %d\n", iResult);
|
|
|
- }
|
|
|
- ZeroMemory(&hints, sizeof(hints));
|
|
|
- hints.ai_family = AF_INET;
|
|
|
- hints.ai_socktype = SOCK_STREAM;
|
|
|
- hints.ai_protocol = IPPROTO_TCP;
|
|
|
- hints.ai_flags = AI_PASSIVE;
|
|
|
-
|
|
|
- // Resolve the server address and port
|
|
|
- iResult = getaddrinfo(NULL, std::to_string(port).c_str(), &hints, &result);
|
|
|
- if (iResult != 0) {
|
|
|
- printf("getaddrinfo failed with error: %d\n", iResult);
|
|
|
- WSACleanup();
|
|
|
- }
|
|
|
-
|
|
|
- // Create a SOCKET for connecting to server
|
|
|
- ListenSocket = socket(result->ai_family, result->ai_socktype, result->ai_protocol);
|
|
|
- if (ListenSocket == INVALID_SOCKET) {
|
|
|
- printf("socket failed with error: %ld\n", WSAGetLastError());
|
|
|
- freeaddrinfo(result);
|
|
|
- WSACleanup();
|
|
|
- }
|
|
|
-
|
|
|
- // Setup the TCP listening socket
|
|
|
- iResult = bind(ListenSocket, result->ai_addr, (int)result->ai_addrlen);
|
|
|
- if (iResult == SOCKET_ERROR) {
|
|
|
- printf("bind failed with error: %d\n", WSAGetLastError());
|
|
|
- freeaddrinfo(result);
|
|
|
- closesocket(ListenSocket);
|
|
|
- WSACleanup();
|
|
|
- }
|
|
|
- freeaddrinfo(result);
|
|
|
- iResult = listen(ListenSocket, SOMAXCONN);
|
|
|
- if (iResult == SOCKET_ERROR) {
|
|
|
- printf("listen failed with error: %d\n", WSAGetLastError());
|
|
|
- closesocket(ListenSocket);
|
|
|
- WSACleanup();
|
|
|
- }
|
|
|
-}
|
|
|
-server_socket::server_socket(server_socket&& o){
|
|
|
- wsaData = o.wsaData;
|
|
|
- iResult = o.iResult;
|
|
|
- ListenSocket = o.ListenSocket;
|
|
|
- o.ListenSocket = INVALID_SOCKET;
|
|
|
-}
|
|
|
-cppsocket server_socket::accept_connection() {
|
|
|
- SOCKET ClientSocket = accept(ListenSocket, NULL, NULL);
|
|
|
- if (ClientSocket == INVALID_SOCKET) {
|
|
|
- printf("accept failed with error: %d\n", WSAGetLastError());
|
|
|
- closesocket(ListenSocket);
|
|
|
- WSACleanup();
|
|
|
- }
|
|
|
- return cppsocket(wsaData, ClientSocket);
|
|
|
-}
|
|
|
-void server_socket::close() {
|
|
|
- closesocket(ListenSocket);
|
|
|
-}
|
|
|
-cppsocket& cppsocket::operator=(cppsocket&& o) {
|
|
|
- s = o.s;
|
|
|
- o.s = INVALID_SOCKET;
|
|
|
- buffer = std::move(o.buffer);
|
|
|
- return *this;
|
|
|
-}
|