1. #include <stdio.h>
2. #include <stdlib.h>
3. #include <string.h>
4. #include <unistd.h>
5. #include <sys/socket.h>
6. #include <netinet/in.h>
7. #include <arpa/inet.h>
8. #define PORT 9999
9. #define SERVER_IP "10.10.161.31"
10. int main() {
11. int client_fd;
12. struct sockaddr_in server_address;
13. char message[1024];
14. char buffer[1024];
15. // Create socket
16. client_fd = socket(AF_INET, SOCK_STREAM, 0);
17. if (client_fd < 0) {
18. perror("socket");
19. exit(1);
20. }
21. // Set server address
22. memset(&server;_address, 0, sizeof(server_address));
23. server_address.sin_family = AF_INET;
24. server_address.sin_port = htons(PORT);
25. inet_pton(AF_INET, SERVER_IP, &server;_address.sin_addr);
26. // Connect to server
27. if (connect(client_fd, (struct sockaddr *)&server;_address, sizeof(server_address)) < 0) {
28. perror("connect");
29. exit(1);
30. }
31. printf("Connected to server\n");
32. while (1) {
33. // Send message to server
34. printf("Enter message: ");
35. fgets(message, sizeof(message), stdin);
36. if (strcmp(message, "exit\n") == 0) {
37. break;
38. }
39. int bytes_sent = send(client_fd, message, strlen(message), 0);
40. if (bytes_sent < 0) {
41. perror("send");
42. break;
43. }
44. // Receive and print server response (optional, uncomment if desired)
45. int bytes_received = recv(client_fd, buffer, sizeof(buffer), 0);
46. if (bytes_received > 0) {
47. buffer[bytes_received] = '\0'; // Null terminate received data
48. printf("Server: %s\n", buffer);
49. } else {
50. if (bytes_received == 0) {
51. printf("Server disconnected\n");
52. } else {perror("recv");
53. }
54. break;
55. }
56. }
57. // Close connection
58. close(client_fd);
59. return 0;
60. }