Jim Flynn / Mbed OS wifi_Example

wifi test

Dependencies:   X_NUCLEO_IKS01A2 mbed-http

source/main-http-socket-reuse.cpp@0:24d3eb812fd4, 2018-09-05 (annotated)

Committer:
JMF
Date:
Wed Sep 05 14:28:24 2018 +0000
Revision:
0:24d3eb812fd4
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JMF 0:24d3eb812fd4 1 #include "select-demo.h"
JMF 0:24d3eb812fd4 2
JMF 0:24d3eb812fd4 3 #if DEMO == DEMO_HTTP_SOCKET_REUSE
JMF 0:24d3eb812fd4 4
JMF 0:24d3eb812fd4 5 #include "mbed.h"
JMF 0:24d3eb812fd4 6 #include "easy-connect.h"
JMF 0:24d3eb812fd4 7 #include "http_request.h"
JMF 0:24d3eb812fd4 8
JMF 0:24d3eb812fd4 9 Serial pc(USBTX, USBRX);
JMF 0:24d3eb812fd4 10
JMF 0:24d3eb812fd4 11 void dump_response(HttpResponse* res) {
JMF 0:24d3eb812fd4 12 printf("Status: %d - %s\n", res->get_status_code(), res->get_status_message().c_str());
JMF 0:24d3eb812fd4 13
JMF 0:24d3eb812fd4 14 printf("Headers:\n");
JMF 0:24d3eb812fd4 15 for (size_t ix = 0; ix < res->get_headers_length(); ix++) {
JMF 0:24d3eb812fd4 16 printf("\t%s: %s\n", res->get_headers_fields()[ix]->c_str(), res->get_headers_values()[ix]->c_str());
JMF 0:24d3eb812fd4 17 }
JMF 0:24d3eb812fd4 18 printf("\nBody (%d bytes):\n\n%s\n", res->get_body_length(), res->get_body_as_string().c_str());
JMF 0:24d3eb812fd4 19 }
JMF 0:24d3eb812fd4 20
JMF 0:24d3eb812fd4 21 int main() {
JMF 0:24d3eb812fd4 22 pc.baud(115200);
JMF 0:24d3eb812fd4 23 // Connect to the network (see mbed_app.json for the connectivity method used)
JMF 0:24d3eb812fd4 24 NetworkInterface *network = easy_connect(true);
JMF 0:24d3eb812fd4 25 if (!network) {
JMF 0:24d3eb812fd4 26 printf("Cannot connect to the network, see serial output");
JMF 0:24d3eb812fd4 27 return 1;
JMF 0:24d3eb812fd4 28 }
JMF 0:24d3eb812fd4 29
JMF 0:24d3eb812fd4 30 // Create a TCP socket
JMF 0:24d3eb812fd4 31 printf("\n----- Setting up TCP connection -----\n");
JMF 0:24d3eb812fd4 32
JMF 0:24d3eb812fd4 33 TCPSocket* socket = new TCPSocket();
JMF 0:24d3eb812fd4 34 nsapi_error_t open_result = socket->open(network);
JMF 0:24d3eb812fd4 35 if (open_result != 0) {
JMF 0:24d3eb812fd4 36 printf("Opening TCPSocket failed... %d\n", open_result);
JMF 0:24d3eb812fd4 37 return 1;
JMF 0:24d3eb812fd4 38 }
JMF 0:24d3eb812fd4 39
JMF 0:24d3eb812fd4 40 nsapi_error_t connect_result = socket->connect("httpbin.org", 80);
JMF 0:24d3eb812fd4 41 if (connect_result != 0) {
JMF 0:24d3eb812fd4 42 printf("Connecting over TCPSocket failed... %d\n", connect_result);
JMF 0:24d3eb812fd4 43 return 1;
JMF 0:24d3eb812fd4 44 }
JMF 0:24d3eb812fd4 45
JMF 0:24d3eb812fd4 46 printf("Connected over TCP to httpbin.org:80\n");
JMF 0:24d3eb812fd4 47
JMF 0:24d3eb812fd4 48 // Do a GET request to httpbin.org
JMF 0:24d3eb812fd4 49 {
JMF 0:24d3eb812fd4 50 HttpRequest* get_req = new HttpRequest(socket, HTTP_GET, "http://httpbin.org/status/418");
JMF 0:24d3eb812fd4 51
JMF 0:24d3eb812fd4 52 // By default the body is automatically parsed and stored in a string, this is memory heavy.
JMF 0:24d3eb812fd4 53 // To receive chunked response, pass in a callback as third parameter to 'send'.
JMF 0:24d3eb812fd4 54 HttpResponse* get_res = get_req->send();
JMF 0:24d3eb812fd4 55 if (!get_res) {
JMF 0:24d3eb812fd4 56 printf("HttpRequest failed (error code %d)\n", get_req->get_error());
JMF 0:24d3eb812fd4 57 return 1;
JMF 0:24d3eb812fd4 58 }
JMF 0:24d3eb812fd4 59
JMF 0:24d3eb812fd4 60 printf("\n----- HTTP GET response -----\n");
JMF 0:24d3eb812fd4 61 dump_response(get_res);
JMF 0:24d3eb812fd4 62
JMF 0:24d3eb812fd4 63 delete get_req;
JMF 0:24d3eb812fd4 64 }
JMF 0:24d3eb812fd4 65
JMF 0:24d3eb812fd4 66 // POST request to httpbin.org
JMF 0:24d3eb812fd4 67 {
JMF 0:24d3eb812fd4 68 HttpRequest* post_req = new HttpRequest(socket, HTTP_POST, "http://httpbin.org/post");
JMF 0:24d3eb812fd4 69 post_req->set_header("Content-Type", "application/json");
JMF 0:24d3eb812fd4 70
JMF 0:24d3eb812fd4 71 const char body[] = "{\"hello\":\"world\"}";
JMF 0:24d3eb812fd4 72
JMF 0:24d3eb812fd4 73 HttpResponse* post_res = post_req->send(body, strlen(body));
JMF 0:24d3eb812fd4 74 if (!post_res) {
JMF 0:24d3eb812fd4 75 printf("HttpRequest failed (error code %d)\n", post_req->get_error());
JMF 0:24d3eb812fd4 76 return 1;
JMF 0:24d3eb812fd4 77 }
JMF 0:24d3eb812fd4 78
JMF 0:24d3eb812fd4 79 printf("\n----- HTTP POST response -----\n");
JMF 0:24d3eb812fd4 80 dump_response(post_res);
JMF 0:24d3eb812fd4 81
JMF 0:24d3eb812fd4 82 delete post_req;
JMF 0:24d3eb812fd4 83 }
JMF 0:24d3eb812fd4 84
JMF 0:24d3eb812fd4 85 delete socket;
JMF 0:24d3eb812fd4 86
JMF 0:24d3eb812fd4 87 Thread::wait(osWaitForever);
JMF 0:24d3eb812fd4 88 }
JMF 0:24d3eb812fd4 89
JMF 0:24d3eb812fd4 90 #endif