Added NET_13 TCP client echo loop host test to test automation suite

libraries/tests/net/echo/tcp_client_loop/main.cpp

@@ -1,34 +1,69 @@
 #include "mbed.h"
 #include "EthernetInterface.h"
 
-const char* ECHO_SERVER_ADDRESS = "10.2.200.57";
+struct s_ip_address
-const int ECHO_PORT = 7;
+{
+    int ip_1;
+    int ip_2;
+    int ip_3;
+    int ip_4;
+};
+
+#define MAX_ECHO_LOOPS   100
 
 int main() {
+    char buffer[256] = {0};
+    char out_buffer[] = "Hello World\n";
+    char out_success[] = "{{success}}\n{{end}}\n";
+    char out_failure[] = "{{failure}}\n{{end}}\n";
+    s_ip_address ip_addr = {0, 0, 0, 0};
+    int port = 0;
+
+    printf("TCPCllient waiting for server IP and port...\r\n");
+    scanf("%d.%d.%d.%d:%d", &ip_addr.ip_1, &ip_addr.ip_2, &ip_addr.ip_3, &ip_addr.ip_4, &port);
+    printf("Address received:%d.%d.%d.%d:%d\r\n", ip_addr.ip_1, ip_addr.ip_2, ip_addr.ip_3, ip_addr.ip_4, port);
+
     EthernetInterface eth;
     eth.init(); //Use DHCP
     eth.connect();
-    printf("IP Address is %s\n", eth.getIPAddress());
+
+    printf("TCPClient IP Address is %s\r\n", eth.getIPAddress());
+    sprintf(buffer, "%d.%d.%d.%d", ip_addr.ip_1, ip_addr.ip_2, ip_addr.ip_3, ip_addr.ip_4);
 
     TCPSocketConnection socket;
-    
+    while (socket.connect(buffer, port) < 0) {
-    while (true) {
+        printf("TCPCllient unable to connect to %s:%d\r\n", buffer, port);
-        while (socket.connect(ECHO_SERVER_ADDRESS, ECHO_PORT) < 0) {
-            printf("Unable to connect to (%s) on port (%d)\n", ECHO_SERVER_ADDRESS, ECHO_PORT);
-            wait(1);
-        }
-        
-        char hello[] = "Hello World\n";
-        socket.send_all(hello, sizeof(hello) - 1);
-        
-        char buf[256];
-        int n = socket.receive(buf, 256);
-        buf[n] = '\0';
-        printf("%s", buf);
-        
-        socket.close();
         wait(1);
     }
 
+    // Test loop for multiple client conenctions
+    bool result = true;
+    int count_error = 0;
+    for (int i = 0; i < MAX_ECHO_LOOPS; i++) {
+        socket.send_all(out_buffer, sizeof(out_buffer) - 1);
+
+        int n = socket.receive(buffer, sizeof(buffer));
+        if (n > 0)
+        {
+            buffer[n] = '\0';
+            printf("%s", buffer);
+            bool echoed = strncmp(out_buffer, buffer, sizeof(out_buffer) - 1) == 0;
+            result = result && echoed;
+            if (echoed == false) {
+                count_error++;  // Count error messages
+            }
+        }
+    }
+
+    printf("Loop messages passed: %d/%d\r\n", MAX_ECHO_LOOPS - count_error, MAX_ECHO_LOOPS);
+
+    if (result) {
+        socket.send_all(out_success, sizeof(out_success) - 1);
+    }
+    else {
+        socket.send_all(out_failure, sizeof(out_failure) - 1);
+    }
+    socket.close();
     eth.disconnect();
+    return 0;
 }

workspace_tools/tests.py

@@ -660,6 +660,8 @@ TESTS = [
         "id": "NET_13", "description": "TCP client echo loop",
         "source_dir": join(TEST_DIR, "net", "echo", "tcp_client_loop"),
         "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES, ETH_LIBRARY],
+        "automated": True,
+        "duration": 15,
         "peripherals": ["ethernet"],
     },