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+====== SDK Script tcpserver.are ======
+<code c tcpserver.are>
+/* DESC: This script implements a TCP server which is able to receive messages.
+ * Copyright (C) 2012 NetModule AG, Switzerland
+ */
+MAX_CONNECTIONS = 1;
+void usage()
+{
+    printf("usage: tcpserver.are <port>\n");
+    exit(1);
+}
+if (argc < 2) {
+    usage();
+}
+port = (int) argv[1];
+timeout = 10;
+sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+if (sock < 0) {
+    printf("Unable to open socket\n");
+    exit(1);
+}
+ret = bind(sock, port, "");
+if (ret == -1) {
+    printf("Unable to bind port %d\n", port);
+    close(sock);
+    exit(1);
+}
+ret = listen(sock, MAX_CONNECTIONS);
+if (ret == -1) {
+    printf("Unable to listen\n");
+    close(sock);
+    exit(1);
+}
+printf("Listening for connections on port %d\n", port);
+quit = 0;
+while (!quit) {
+    client = accept(sock);
+    if (client < 0) {
+        printf("accept failed\n");
+        sleep(1);
+        continue;
+    }
+    printf("New client connected\n");
+    while (1) {
+        /* wait for socket data  */
+        rv = select(client, timeout);
+        if (rv == -1) {
+            printf("Error during select()\n");
+            close(sock);
+            exit(1);
+        } else if (rv == 0) {
+            //printf("timeout\n");
+        } else {
+            // one or both of the descriptors have data
+            msg = recv(client);
+            if (left(msg,4) == "quit") {
+                printf("received quit, terminating\n");
+                quit = 1;
+                break;
+               }
+            if (left(msg,3) == "bye"){
+                printf("received bye, closing connection...\n");
+                break;
+            } else if (msg != "") {
+                printf("rcvd: '%s'\n", msg);
+            }
+        }
+    }
+    close(client);
+}
+close(sock);
+exit(0);
+</code>

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