mbed_wifi_MQTT_PM25
Dependencies: mbed-os-example-wifi-DISCO_IOTBOARD_MQTT MQTT
Diff: main.cpp
- Revision:
- 24:323569a565ec
- Parent:
- 21:b2f2f6a840b4
- Child:
- 32:bca3f5f442b3
--- 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();