initial

main.cpp

@@ -0,0 +1,34 @@
+/**
+ * main.cpp is the manager. It hires a NetworkStarter, checks if it was told to be a "server" or a "client",
+ * creates that object, and tells it to do its job. It doesn't need to know the messy details of sockets
+ */
+
+#include "NetworkConfig.h"
+#include "EchoServer.h"
+#include "SimpleClient.h"
+#include <iostream>
+#include <string>
+
+int main(const int argc, char* argv[]) {
+    // 1. Turn on the networking rulebook
+    NetworkStarter network;
+
+    // 2. Check what the user typed when they ran the program
+    if (argc > 1 && std::string(argv[1]) == "server") {
+        EchoServer server(8080);
+        server.start(); // Boss says: "Server, start working!"
+    }
+    else if (argc > 1 && std::string(argv[1]) == "client") {
+        if (SimpleClient client; client.connectTo("127.0.0.1", 8080)) {
+            client.talk("Hello, Server! Are you there?\n");
+            client.talk("This is a second message!\n");
+        }
+    }
+    else {
+        std::cout << "How to use:\n";
+        std::cout << "  Run as Server: echo_app server\n";
+        std::cout << "  Run as Client: echo_app client\n";
+    }
+
+    return 0;
+}