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chat_protocol.c
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chat_protocol.c
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#include <stdio.h>
#include <stdlib.h>
#include <malloc.h>
#include <ws2tcpip.h> // For Windows socket definitions and functions
#include <winsock2.h> // For TCP/IP protocols and internet functionality
#define PORT 8080 // Port number for the socket connection
#define SERVER "127.0.0.1"
#define BUFFER_SIZE 1024 // Buffer size for data transmission
struct sockaddr_in* createIP4Address(char *ip, int port);
SOCKET createTCPIp4Socket();
int connectToServer(SOCKET socketFD, struct sockaddr_in address);
struct sockaddr_in* createIP4Address(char *ip, int port){
// Define the server address and port
// char* ip = "142.250.188.46"; // IP address for the server
struct sockaddr_in *address = malloc(sizeof(struct sockaddr_in)); // Struct for storing the server address
if(address == NULL){
perror("Malloc failed");
exit(EXIT_FAILURE);
}
address->sin_family = AF_INET; // Setting the address family to IPv4
address->sin_port = htons(PORT); // Converting the PORT number to network byte order
if(inet_pton(AF_INET, ip, &address->sin_addr)<=0){
printf("Invalid address/ Address not supported \n");
free(address);
exit(EXIT_FAILURE);
}
return address;
}
int main() {
return 0;
}
int connectToServer(SOCKET socketFD, struct sockaddr_in address) {
int result = connect(socketFD, (struct sockaddr *)&address, sizeof(address));
if (result == SOCKET_ERROR) {
int errorCode = WSAGetLastError();
printf("Connect failed with error: %ld\n", errorCode);
if (errorCode == WSAETIMEDOUT) {
printf("Connection timed out.\n");
} else if (errorCode == WSAECONNREFUSED) {
printf("Connection refused.\n");
}
closesocket(socketFD);
WSACleanup();
return -1;
} else {
printf("Connection was successful\n");
return 0;
}
}
SOCKET createTCPIp4Socket(){
return socket(AF_INET, SOCK_STREAM, 0);
};