feat(server): added socket creation and address binding for server

include/qnet/network.h

@@ -29,6 +29,8 @@ typedef enum {
     QNET_NETWORK_ERROR_INVALID_IP = -1
 } QNetNetworkError;
 
+inline void qnet_socket_init(qnet_socket_type *socket) { *socket = 0; }
+
 QNetNetworkError qnet_ip4_address(const char *ip, unsigned short port, struct sockaddr_in *address);
 QNetNetworkError qnet_ip6_address(const char *ip, unsigned short port, struct sockaddr_in6 *address);
 

include/qnet/server.h

@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) Tristan Franssen, <tristanfranssen@strawhats.nl>.
+ *
+ * This software is licensed under the Apache License, Version 2.0 (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License in the file LICENSE or at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ */
+#ifndef QNET_SERVER
+#define QNET_SERVER
+
+#include "qnet/network.h"
+
+typedef enum {
+    QNET_SERVER_ERROR_OK = 0,
+    QNET_SERVER_ERROR_FAILED_TO_CREATE_SOCKET = -1,
+    QNET_SERVER_ERROR_INVALID_ADDRESS = -2,
+    QNET_SERVER_ERROR_FAILED_TO_BIND_ADDRESS = -3
+} QNetServerError;
+
+QNetServerError qnet_server_tcp_bind(qnet_socket_type *server_socket, struct sockaddr *address);
+QNetServerError qnet_server_udp_bind(qnet_socket_type *server_socket, struct sockaddr *address);
+
+#endif

src/network.c

@@ -23,7 +23,7 @@ QNetNetworkError qnet_ip4_address(const char *ip, unsigned short port, struct so
 QNetNetworkError qnet_ip6_address(const char *ip, unsigned short port, struct sockaddr_in6 *address) {
     address->sin6_family = AF_INET6;
     address->sin6_port = htons(port);
-    
+
     int result = inet_pton(address->sin6_family, ip, &address->sin6_addr.s6_addr);
     if (result != 1) {
         return QNET_NETWORK_ERROR_INVALID_IP;

src/server.c

@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) Tristan Franssen, <tristanfranssen@strawhats.nl>.
+ *
+ * This software is licensed under the Apache License, Version 2.0 (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License in the file LICENSE or at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ */
+#include "qnet/server.h"
+
+QNetServerError qnet_tcp_bind(qnet_socket_type *server_socket, struct sockaddr *address) {
+    qnet_socket_type tcp_socket = socket(address->sa_family, SOCK_STREAM, 0);
+    if (tcp_socket == QNET_INVALID_SOCKET) {
+        return QNET_SERVER_ERROR_FAILED_TO_CREATE_SOCKET;
+    }
+
+    unsigned int address_length;
+    if (address->sa_family == AF_INET) {
+        address_length = sizeof(struct sockaddr_in);
+    } else if (address->sa_family == AF_INET6) {
+        address_length = sizeof(struct sockaddr_in6);
+    } else {
+        return QNET_SERVER_ERROR_INVALID_ADDRESS;
+    }
+
+    int result = bind(tcp_socket, address, address_length);
+    if (result == -1) {
+        return QNET_SERVER_ERROR_FAILED_TO_BIND_ADDRESS;
+    }
+
+    *server_socket = tcp_socket;
+    return QNET_SERVER_ERROR_OK;
+}
+
+QNetServerError qnet_udp_bind(qnet_socket_type *server_socket, struct sockaddr *address) {
+    qnet_socket_type udp_socket = socket(address->sa_family, SOCK_DGRAM, 0);
+    if (udp_socket == QNET_INVALID_SOCKET) {
+        return QNET_SERVER_ERROR_FAILED_TO_CREATE_SOCKET;
+    }
+
+    unsigned int address_length;
+    if (address->sa_family == AF_INET) {
+        address_length = sizeof(struct sockaddr_in);
+    } else if (address->sa_family == AF_INET6) {
+        address_length = sizeof(struct sockaddr_in6);
+    } else {
+        return QNET_SERVER_ERROR_INVALID_ADDRESS;
+    }
+
+    int result = bind(udp_socket, address, address_length);
+    if (result == -1) {
+        return QNET_SERVER_ERROR_FAILED_TO_BIND_ADDRESS;
+    }
+
+    *server_socket = udp_socket;
+    return QNET_SERVER_ERROR_OK;
+}