mbed-os-examples / Mbed OS mbed-os-example-mbed5-sockets

This is a quick example of a simple HTTP client program using the network-socket API that is provided as a part of mbed-os. The program brings up an underlying network interface, and uses it to perform an HTTP transaction over a TCPSocket.

Files at this revision

API Documentation at this revision

Revision 40:afef93b6d854, committed 2018-03-27

Comitter:
mbed_official
Date:
Tue Mar 27 12:45:08 2018 +0100
Parent:
39:6c688e7f0c05
Child:
41:8dc0efa46bf7
Commit message:
Merge branch 'mbed-os-5.8.0-oob'

* mbed-os-5.8.0-oob:
Updating mbed-os to mbed-os-5.8.0-rc2
Read until connection is properly closed.
Add build instructions.
Convert line-feeds for stdout.
Updating mbed-os to mbed-os-5.8.0-rc1

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

Changed in this revision

README.md Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed-os.lib Show annotated file Show diff for this revision Revisions of this file
mbed_app.json Show annotated file Show diff for this revision Revisions of this file 
--- a/README.md	Tue Mar 20 10:00:03 2018 +0000
+++ b/README.md	Tue Mar 27 12:45:08 2018 +0100
@@ -10,10 +10,18 @@
 To use the example with a different interface, you will need to modify main.cpp and
 replace the EthernetInterface class with the appropriate interface.
 
-**Note:** The default serial port baud rate is 9600 bit/s.
+### Building
+
+```
+mbed compile -t <toolchain> -m <target>
+```
+
+For example, building for K64F using GCC: `mbed compile -t GCC_ARM -m K64F`
 
 ### Expected output ###
 
+**Note:** The default serial port baud rate is 9600 bit/s.
+
 ```
 IP address: 10.118.14.45
 Netmask: 255.255.252.0

--- a/main.cpp	Tue Mar 20 10:00:03 2018 +0000
+++ b/main.cpp	Tue Mar 27 12:45:08 2018 +0100
@@ -25,12 +25,20 @@
     char *buffer = new char[256];
 
     // Send an HTTP request
-    strcpy(buffer, "GET / HTTP/1.1\r\nHost: api.ipify.org\r\n\r\n");
+    strcpy(buffer, "GET / HTTP/1.1\r\nHost: api.ipify.org\r\nConnection: close\r\n\r\n");
     int scount = socket.send(buffer, strlen(buffer));
     printf("sent %d [%.*s]\n", scount, strstr(buffer, "\r\n")-buffer, buffer);
 
     // Recieve an HTTP response and print out the response line
-    int rcount = socket.recv(buffer, 256);
+    int received = 0;
+    int remaining = 256;
+    int rcount = 0;
+    char *p = buffer;
+    while (0 != (received = socket.recv(p, remaining))) {
+        p += received;
+        rcount += received;
+        remaining -= received;
+    }
     printf("recv %d [%.*s]\n", rcount, strstr(buffer, "\r\n")-buffer, buffer);
 
     // The api.ipify.org service also gives us the device's external IP address

--- a/mbed-os.lib	Tue Mar 20 10:00:03 2018 +0000
+++ b/mbed-os.lib	Tue Mar 27 12:45:08 2018 +0100
@@ -1,1 +1,1 @@
-https://github.com/ARMmbed/mbed-os/#16bac101a6b7b4724023dcf86ece1548e3a23cbf
+https://github.com/ARMmbed/mbed-os/#ad284b28064b22d7e125bcd83e3b5bf649bc4c37

--- a/mbed_app.json	Tue Mar 20 10:00:03 2018 +0000
+++ b/mbed_app.json	Tue Mar 27 12:45:08 2018 +0100
@@ -1,5 +1,8 @@
 {
     "target_overrides": {
+        "*": {
+            "platform.stdio-convert-newlines": true
+        },
         "UBLOX_EVK_ODIN_W2": {
             "target.device_has_remove": ["EMAC"]
         }