108 lines
No EOL
3.4 KiB
C
108 lines
No EOL
3.4 KiB
C
/*
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* Copyright (C) Tristan Franssen, <tristanfranssen@strawhats.nl>.
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*
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* This software is licensed under the Apache License, Version 2.0 (the "License");
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* You may not use this file except in compliance with the License.
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* You may obtain a copy of the License in the file LICENSE or at
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* http://www.apache.org/licenses/LICENSE-2.0
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*/
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#include "cosms-core/networking/server.h"
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#if defined(__linux__)
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#include <unistd.h>
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#elif defined(_WIN32)
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static int cosms_core_server_initialized_winsock_instances = 0;
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#endif
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/**
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* @brief Creates a new server of specified type.
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*/
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CosmsCoreServerError cosms_core_server_create(struct cosms_core_server *new_server, unsigned short domain, int type, unsigned short port) {
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new_server->domain = domain;
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new_server->type = type;
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new_server->port = port;
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struct sockaddr_in address;
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address.sin_family = domain;
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address.sin_addr.s_addr = INADDR_ANY;
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address.sin_port = htons(port);
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#if defined(__linux__)
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new_server->listening_socket = socket(domain, type, 0);
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if (new_server->listening_socket == -1) {
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return COSMS_CORE_SERVER_FAILED_TO_CREATE_SOCKET;
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}
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int result = bind(new_server->listening_socket, (struct sockaddr*)&address, sizeof(address));
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if (result == -1) {
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return COSMS_CORE_SERVER_COULD_NOT_BIND_ADDRESS;
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}
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#elif defined(_WIN32)
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if (cosms_core_server_initialized_winsock_instances == 0) {
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WSADATA data;
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if (WSAStartup(MAKEWORD(2, 2), &data) == 0) {
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return COSMS_CORE_SERVER_FAILED_TO_CREATE_SOCKET;
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}
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}
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cosms_core_server_initialized_winsock_instances += 1;
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new_server->listening_socket = socket(domain, type, 0);
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if (new_server->listening_socket == INVALID_SOCKET) {
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return COSMS_CORE_SERVER_FAILED_TO_CREATE_SOCKET;
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}
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int result = bind(new_server->listening_socket, (struct sockaddr*)&address, sizeof(address));
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if (result == SOCKET_ERROR) {
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return COSMS_CORE_SERVER_COULD_NOT_BIND_ADDRESS;
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}
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#endif
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return COSMS_CORE_SERVER_OK;
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}
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/**
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* @brief Stops and destroy's the server.
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*/
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CosmsCoreServerError cosms_core_server_destroy(struct cosms_core_server *current_server) {
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#if defined(__linux__)
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int result = close(current_server->listening_socket);
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if (result == -1) {
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return COSMS_CORE_SERVER_UNKNOWN_ERROR;
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}
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#elif defined(_WIN32)
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int result = closesocket(current_server->listening_socket);
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if (result == SOCKET_ERROR) {
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return COSMS_CORE_SERVER_UNKNOWN_ERROR;
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}
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cosms_core_server_initialized_winsock_instances -= 1;
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if (cosms_core_server_initialized_winsock_instances == 0) {
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WSACleanup();
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}
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#endif
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return COSMS_CORE_SERVER_OK;
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}
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/**
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* @brief Converts error code to a string that can be used for printing/logging errors.
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*/
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const char *cosms_core_server_error_string(CosmsCoreServerError error) {
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switch (error) {
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case COSMS_CORE_SERVER_OK:
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return "cosms-core-server everything ok";
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case COSMS_CORE_SERVER_FAILED_TO_CREATE_SOCKET:
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return "cosms-core-server failed to create new socket";
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case COSMS_CORE_SERVER_COULD_NOT_BIND_ADDRESS:
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return "cosms-core-server could not bind address to new socket";
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case COSMS_CORE_SERVER_UNKNOWN_ERROR:
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return "cosms-core-server unkown error occured";
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default:
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return NULL;
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}
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} |