1. #include <iostream>
2. #include <fstream>
3. #include <cstring>
4. #include <arpa/inet.h>
5. #include <unistd.h>
6.  
7. #define PORT 8080
8. #define BUFFER_SIZE 1024
9.  
10. int main() {
11.     // Create socket
12.     int serverSocket = socket(AF_INET, SOCK_STREAM, 0);
13.     if (serverSocket == -1) {
14.         std::cerr << "Error creating socket\n";
15.         return -1;
16.     }
17.  
18.     // Set up server address structure
19.     sockaddr_in serverAddress{};
20.     serverAddress.sin_family = AF_INET;
21.     serverAddress.sin_addr.s_addr = INADDR_ANY;
22.     serverAddress.sin_port = htons(PORT);
23.  
24.     // Bind the socket
25.     if (bind(serverSocket, (struct sockaddr*)&serverAddress;, sizeof(serverAddress)) < 0) {
26.         std::cerr << "Error binding socket\n";
27.         return -1;
28.     }
29.  
30.     // std::ifstream fileToSend("in.txt", std::ios::binary);
31.  
32.     std::cout << "Server listening on port " << PORT << "\n";
33.     // Listen for incoming connections
34.     if (listen(serverSocket, 3) < 0) {
35.         std::cerr << "Error listening for connections\n";
36.         return -1;
37.     }
38.  
39.     while(true){
40.    
41.         // Accept a connection
42.         int clientSocket = accept(serverSocket, nullptr, nullptr);
43.         if (clientSocket < 0) {
44.             std::cerr << "Error accepting connection\n";
45.             return -1;
46.         }
47.    
48.         // Open the file to send
49.         std::ifstream fileToSend("binaryfile.bin", std::ios::binary);
50.    
51.         if (!fileToSend.is_open()) {
52.             std::cerr << "Error opening file\n";
53.             return -1;
54.         }
55.    
56.         char buffer[BUFFER_SIZE];
57.         while (!fileToSend.eof()) {
58.             fileToSend.read(buffer, sizeof(buffer));
59.             send(clientSocket, buffer, fileToSend.gcount(), 0);
60.         }
61.         fileToSend.close();
62.  
63.         std::cout << "File sent successfully\n";
64.         close(clientSocket);
65.     }
66.  
67.     // Close the file and sockets
68.     // fileToSend.close();
69.     // close(clientSocket);
70.     close(serverSocket);
71.  
72.     // std::cout << "File sent successfully\n";
73.  
74.     return 0;
75. }