diff options
Diffstat (limited to 'NorthstarDLL/include/spdlog/details/tcp_client-windows.h')
-rw-r--r-- | NorthstarDLL/include/spdlog/details/tcp_client-windows.h | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/NorthstarDLL/include/spdlog/details/tcp_client-windows.h b/NorthstarDLL/include/spdlog/details/tcp_client-windows.h deleted file mode 100644 index 7ee72927..00000000 --- a/NorthstarDLL/include/spdlog/details/tcp_client-windows.h +++ /dev/null @@ -1,175 +0,0 @@ -// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. -// Distributed under the MIT License (http://opensource.org/licenses/MIT) - -#pragma once - -#define WIN32_LEAN_AND_MEAN -// tcp client helper -#include <spdlog/common.h> -#include <spdlog/details/os.h> - -#include <winsock2.h> -#include <windows.h> -#include <ws2tcpip.h> -#include <stdlib.h> -#include <stdio.h> -#include <string> - -#pragma comment(lib, "Ws2_32.lib") -#pragma comment(lib, "Mswsock.lib") -#pragma comment(lib, "AdvApi32.lib") - -namespace spdlog { -namespace details { -class tcp_client -{ - SOCKET socket_ = INVALID_SOCKET; - - static bool winsock_initialized_() - { - SOCKET s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); - if (s == INVALID_SOCKET) - { - return false; - } - else - { - closesocket(s); - return true; - } - } - - static void init_winsock_() - { - WSADATA wsaData; - auto rv = WSAStartup(MAKEWORD(2, 2), &wsaData); - if (rv != 0) - { - throw_winsock_error_("WSAStartup failed", ::WSAGetLastError()); - } - } - - static void throw_winsock_error_(const std::string &msg, int last_error) - { - char buf[512]; - ::FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, last_error, - MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), buf, (sizeof(buf) / sizeof(char)), NULL); - - throw_spdlog_ex(fmt::format("tcp_sink - {}: {}", msg, buf)); - } - -public: - bool is_connected() const - { - return socket_ != INVALID_SOCKET; - } - - void close() - { - ::closesocket(socket_); - socket_ = INVALID_SOCKET; - WSACleanup(); - } - - SOCKET fd() const - { - return socket_; - } - - ~tcp_client() - { - close(); - } - - // try to connect or throw on failure - void connect(const std::string &host, int port) - { - // initialize winsock if needed - if (!winsock_initialized_()) - { - init_winsock_(); - } - - if (is_connected()) - { - close(); - } - struct addrinfo hints - {}; - ZeroMemory(&hints, sizeof(hints)); - - hints.ai_family = AF_INET; // IPv4 - hints.ai_socktype = SOCK_STREAM; // TCP - hints.ai_flags = AI_NUMERICSERV; // port passed as as numeric value - hints.ai_protocol = 0; - - auto port_str = std::to_string(port); - struct addrinfo *addrinfo_result; - auto rv = ::getaddrinfo(host.c_str(), port_str.c_str(), &hints, &addrinfo_result); - int last_error = 0; - if (rv != 0) - { - last_error = ::WSAGetLastError(); - WSACleanup(); - throw_winsock_error_("getaddrinfo failed", last_error); - } - - // Try each address until we successfully connect(2). - - for (auto *rp = addrinfo_result; rp != nullptr; rp = rp->ai_next) - { - socket_ = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol); - if (socket_ == INVALID_SOCKET) - { - last_error = ::WSAGetLastError(); - WSACleanup(); - continue; - } - if (::connect(socket_, rp->ai_addr, (int)rp->ai_addrlen) == 0) - { - break; - } - else - { - last_error = ::WSAGetLastError(); - close(); - } - } - ::freeaddrinfo(addrinfo_result); - if (socket_ == INVALID_SOCKET) - { - WSACleanup(); - throw_winsock_error_("connect failed", last_error); - } - - // set TCP_NODELAY - int enable_flag = 1; - ::setsockopt(socket_, IPPROTO_TCP, TCP_NODELAY, (char *)&enable_flag, sizeof(enable_flag)); - } - - // Send exactly n_bytes of the given data. - // On error close the connection and throw. - void send(const char *data, size_t n_bytes) - { - size_t bytes_sent = 0; - while (bytes_sent < n_bytes) - { - const int send_flags = 0; - auto write_result = ::send(socket_, data + bytes_sent, (int)(n_bytes - bytes_sent), send_flags); - if (write_result == SOCKET_ERROR) - { - int last_error = ::WSAGetLastError(); - close(); - throw_winsock_error_("send failed", last_error); - } - - if (write_result == 0) // (probably should not happen but in any case..) - { - break; - } - bytes_sent += static_cast<size_t>(write_result); - } - } -}; -} // namespace details -} // namespace spdlog |