Feature: First handshakes and Information Tradding

include/server_structs.h

@@ -1,15 +1,16 @@
 #ifndef SERVER_STRUCTS_H
 #define SERVER_STRUCTS_H
 
+#include <cstdint>
 struct handshake {
     // [not used in the current Remote Telemtry version by AC]
     // In future versions it will identify the platform type of the client.
     // This will be used to adjust a specific behaviour for each platform. (eIPadDevice for now (1))
-    int identifier;
+    int32_t identifier;
 
     //  [not used in the current Remote Telemtry version by AC]
     //  In future version this field will identify the AC Remote Telemetry version that the device expects to speak with.
-    int version;
+    int32_t version;
 
     // This is the type of operation required by the client.
     // The following operations are now available:
@@ -25,8 +26,28 @@ struct handshake {
     //
     //  DISMISS = 3 :
     //      This operation identifier must be set when the client wants to leave the comunication with ACServer.
-    int operationId;
+    int32_t operationId;
 } __attribute__((packed));
 
+struct handshackerResponse{
+        // is the name of the car that the player is driving on the AC Server
+        char carName[50];
+
+        // is the name of the driver running on the AC Server
+        char driverName[50];
+
+        // for now is just 4242, this code will identify different status, 
+        // as “NOT AVAILABLE” for connection
+        int32_t identifier;
+
+        // for now is set to 1, this will identify the version running on the AC Server
+        int32_t version;
+
+        // is the name of the track on the AC Server
+        char trackName[50];
+
+        // is the track configuration on the AC Server
+        char trackConfig[50];
+} __attribute__((packed));
 
 #endif // SERVER_STRUCTS_H

include/socket.c

@@ -1,6 +1,12 @@
 #include "socket.h"
 
-int connect_udp_socket(const char* ip, int port) {
+// =========================
+// UDP SOCKET FUCNTIONS
+// =========================
+// @param ip: IP address to connect to
+// @param port: Port number to connect to
+// @return: Socket file descriptor, or -1 on error
+int connect_udp_socket(const char* ip, uint16_t port) {
     int sockfd = socket(AF_INET, SOCK_DGRAM, 0);
     if (sockfd < 0) {
         perror("socket creation failed");
@@ -23,7 +29,7 @@ int connect_udp_socket(const char* ip, int port) {
     return sockfd;
 }
 
-int bind_udp_socket(int sockfd, const char* ip, int port) {
+int bind_udp_socket(int sockfd, const char* ip, uint16_t port) {
     struct sockaddr_in servaddr;
     memset(&servaddr, 0, sizeof(servaddr));
 
@@ -40,7 +46,7 @@ int bind_udp_socket(int sockfd, const char* ip, int port) {
     return 0;
 }
 
-int send_udp_message(int sockfd, const char *message, const char *dest_ip, int dest_port) {
+ssize_t send_udp_message(int sockfd, const char *message, const char *dest_ip, uint16_t dest_port) {
     struct sockaddr_in destaddr;
     memset(&destaddr, 0, sizeof(destaddr));
 
@@ -48,7 +54,7 @@ int send_udp_message(int sockfd, const char *message, const char *dest_ip, int d
     destaddr.sin_port = htons(dest_port);
     destaddr.sin_addr.s_addr = inet_addr(dest_ip);
 
-    int n = sendto(sockfd, message, strlen(message), 0, (const struct sockaddr*)&destaddr, sizeof(destaddr));
+    ssize_t n = sendto(sockfd, message, strlen(message), 0, (const struct sockaddr*)&destaddr, sizeof(destaddr));
     if (n < 0) {
         perror("sendto failed");
         return -1;

include/socket.h

@@ -1,11 +1,22 @@
 #ifndef SOCKET_H
 #define SOCKET_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef _WIN32
+#include <winsock2.h>
+#include <ws2tcpip.h>
+#pragma comment(lib, "ws2_32.lib") // link Winsock
+#else
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
+#include <arpa/inet.h>
 #include <unistd.h>
-#include <cstring>
+#include <string.h>
+#endif
 
 // =========================
 // UDP SOCKET FUCNTIONS
@@ -13,11 +24,15 @@
 // Server hosts a UDP socket at 127.0.0.1:12000
 // Client sends a message to the server at 11000
 
-int connect_udp_socket(const char* ip, int port);
+int connect_udp_socket(const char *ip, uint16_t port);
 
-int bind_udp_socket(int sockfd, const char* ip, int port);
+int bind_udp_socket(int sockfd, const char *ip, uint16_t port);
 
-int send_udp_message(int sockfd, const char* message, const char* dest_ip, int dest_port);
+ssize_t send_udp_message(int sockfd, const char *message, const char *dest_ip,
+                     uint16_t dest_port);
+
+#ifdef __cplusplus
+}
+#endif
 
 #endif // SOCKET_H
-