Revision 24:323569a565ec, committed 2017-07-07

Comitter:

mbed_official

Date:

Fri Jul 07 10:00:03 2017 +0100

Parent:

23:d894ce70a586

Child:

25:f290e2005735

Commit message:

Made sure entire buffer is transmitted

.
Commit copied from https://github.com/ARMmbed/mbed-os-example-wifi

Changed in this revision

--- a/main.cpp	Wed Jul 05 13:15:03 2017 +0100
+++ b/main.cpp	Fri Jul 07 10:00:03 2017 +0100
@@ -81,22 +81,45 @@
 void http_demo(NetworkInterface *net)
 {
     TCPSocket socket;
+    nsapi_error_t response;
 
     printf("Sending HTTP request to www.arm.com...\r\n");
 
     // Open a socket on the network interface, and create a TCP connection to www.arm.com
     socket.open(net);
-    socket.connect("www.arm.com", 80);
+    response = socket.connect("www.arm.com", 80);
+    if(0 != response) {
+        printf("Error connecting: %d\r\n", response);
+        socket.close();
+        return;
+    }
 
     // Send a simple http request
     char sbuffer[] = "GET / HTTP/1.1\r\nHost: www.arm.com\r\n\r\n";
-    int scount = socket.send(sbuffer, sizeof sbuffer);
-    printf("sent %d [%.*s]\r\n", scount, strstr(sbuffer, "\r\n")-sbuffer, sbuffer);
+    nsapi_size_t size = sizeof sbuffer;
+    response = 0;
+    while(size)
+    {
+        response = socket.send(sbuffer+response, size);
+        if (response < 0) {
+            printf("Error sending data: %d\r\n", response);
+            socket.close();
+            return;
+        } else {
+            size -= response;
+            // Check if entire message was sent or not
+            printf("sent %d [%.*s]\r\n", response, strstr(sbuffer, "\r\n")-sbuffer, sbuffer);
+        }
+    }
 
     // Recieve a simple http response and print out the response line
     char rbuffer[64];
-    int rcount = socket.recv(rbuffer, sizeof rbuffer);
-    printf("recv %d [%.*s]\r\n", rcount, strstr(rbuffer, "\r\n")-rbuffer, rbuffer);
+    response = socket.recv(rbuffer, sizeof rbuffer);
+    if (response < 0) {
+        printf("Error receiving data: %d\r\n", response);
+    } else {
+        printf("recv %d [%.*s]\r\n", response, strstr(rbuffer, "\r\n")-rbuffer, rbuffer);
+    }
 
     // Close the socket to return its memory and bring down the network interface
     socket.close();