53 lines
No EOL
1.7 KiB
C
53 lines
No EOL
1.7 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <arpa/inet.h>
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#include "update_check.h"
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#include "logger.h"
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#define DEFAULT_IP "127.0.0.1"
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int checkForUpdate(char ver[10]){
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int sock;
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struct sockaddr_in server;
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char server_reply[2000];
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//Create socket
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sock = socket(AF_INET, SOCK_STREAM, 0);
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if( sock == -1){
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printf("Error while creating socket.");
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logger("Error while creating socket");
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}
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server.sin_addr.s_addr = inet_addr(DEFAULT_IP); //Set the IP address of the server
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server.sin_family = AF_INET;
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server.sin_port = htons( 34000 ); //Set the server port
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//Connect to server
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if(connect(sock, (struct sockaddr *)&server, sizeof(server)) < 0){
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perror("Error. Connnection to update server failed.");
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logger("[ERROR] Connection to update server failed.");
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return 1;
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}
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//Send message
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if( send(sock, ver, strlen(ver), 0) < 0){
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puts("Error while communicating with server.");
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logger("[ERROR] Send to server failed.");
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}
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//Receive response
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if( recv(sock, server_reply, 2000, 0) < 0){
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puts("Error while communicating with server.");
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logger("[ERROR] Receive from server failed.");
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}
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//Say that client outdated
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if(!strcmp(server_reply, "VERSION_OUTDATED")){
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printf("\033[0;31mYour client is outdated. Please update your client.\033[0m\n");
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logger("[WARNING] Client is outdated.");
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}
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//Say that client is up-to-date
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if(!strcmp(server_reply, "VERSION_OK")){
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logger("[INFO] Client is up-to-date.");
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}
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close(sock); //Close the socket
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return 0;
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} |