💡 Finish client comments

src/client/main.cc

@@ -79,14 +79,30 @@ int main() {
         cout << "Failed to create SSL object" << endl;
     }
 
+    // Initializes a new TCP socket in the IPv4 family
+    // 0 tells the OS to automatically pick the correct protocol (TCP)
     int clientSocket = socket(AF_INET, SOCK_STREAM, 0);
+    if (clientSocket == -1) {
+        cout << "Client socket failed" << endl;
+        return clientSocket;
+    }
+
+    // Attach our SSL object to the socket
     SSL_set_fd(ssl, clientSocket);
 
     sockaddr_in serverAdress;
+
+    // Specify that we use the IPv4 family
     serverAdress.sin_family = AF_INET;
+
+    // Define the port the client should connect to
     serverAdress.sin_port = htons(8080);
+
+    // Define the IP the client should connect to
     serverAdress.sin_addr.s_addr = inet_addr("127.0.0.50");
 
+    // Connect the client to the server
+    // serverAdress is cast to a sockaddr
     int connectStatus = connect(clientSocket, (struct sockaddr *)&serverAdress,
                                 sizeof(serverAdress));
     if (connectStatus != 0) {
@@ -102,10 +118,17 @@ int main() {
     }
 
     while (true) {
+
+        // Create a new message object
         Message message;
+
+        // FIXME Seems to send multiple messages if content contains spaces
+        // Get the content of the message from the user
         cout << "Type message to server: ";
         cin >> message.content;
 
+        // Exit the program if the user typed "exit" as the content of the
+        // message
         if (message.content == "exit") {
             cout << "BYE!" << endl;
             break;
@@ -114,14 +137,23 @@ int main() {
         cout << endl;
         message.username = "Client 1";
 
+        // Send the content of the message to the server with encryption
+        // .data() gets a pointer to the content of the message
         SSL_write(ssl, message.toString().data(),
                   strlen(message.toString().data()));
     }
 
     // Clean up
+    // Deallocate the SSL objects
     SSL_free(ssl);
+
+    // Deallocate the SSL context
     SSL_CTX_free(ctx);
+
+    // Deallocate the SSL error strings
     ERR_free_strings();
+
+    // Close the client socket
     close(clientSocket);
 
     return 0;