yoshi kuwae yoshi / Mbed OS http-example

a

Dependencies:   mbed-http

Fork of http-example by sandbox

source/main-http.cpp@28:9bccd981a393, 2018-03-27 (annotated)

Committer:
Jan Jongboom
Date:
Tue Mar 27 11:13:48 2018 +0200
Revision:
28:9bccd981a393
Parent:
20:d851bc648f9e
Child:
29:5ad8f931e4ff
Compile without requiring RTOS

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Jan Jongboom 0:85fdc69bc10c 1 #include "select-demo.h"
Jan Jongboom 0:85fdc69bc10c 2
Jan Jongboom 0:85fdc69bc10c 3 #if DEMO == DEMO_HTTP
Jan Jongboom 0:85fdc69bc10c 4
Jan Jongboom 0:85fdc69bc10c 5 #include "mbed.h"
Jan Jongboom 0:85fdc69bc10c 6 #include "easy-connect.h"
Jan Jongboom 0:85fdc69bc10c 7 #include "http_request.h"
Jan Jongboom 0:85fdc69bc10c 8
Jan Jongboom 0:85fdc69bc10c 9 Serial pc(USBTX, USBRX);
Jan Jongboom 0:85fdc69bc10c 10
Jan Jongboom 0:85fdc69bc10c 11 void dump_response(HttpResponse* res) {
Jan Jongboom 0:85fdc69bc10c 12 printf("Status: %d - %s\n", res->get_status_code(), res->get_status_message().c_str());
Jan Jongboom 0:85fdc69bc10c 13
Jan Jongboom 0:85fdc69bc10c 14 printf("Headers:\n");
Jan Jongboom 0:85fdc69bc10c 15 for (size_t ix = 0; ix < res->get_headers_length(); ix++) {
Jan Jongboom 7:5d32909f77de 16 printf("\t%s: %s\n", res->get_headers_fields()[ix]->c_str(), res->get_headers_values()[ix]->c_str());
Jan Jongboom 0:85fdc69bc10c 17 }
Jan Jongboom 5:42f713b19337 18 printf("\nBody (%d bytes):\n\n%s\n", res->get_body_length(), res->get_body_as_string().c_str());
Jan Jongboom 0:85fdc69bc10c 19 }
Jan Jongboom 0:85fdc69bc10c 20
Jan Jongboom 0:85fdc69bc10c 21 int main() {
Jan Jongboom 0:85fdc69bc10c 22 pc.baud(115200);
Jan Jongboom 17:97b1dd566b07 23
Jan Jongboom 0:85fdc69bc10c 24 // Connect to the network (see mbed_app.json for the connectivity method used)
Jan Jongboom 15:65a49b573ba5 25 NetworkInterface* network = easy_connect(true);
Jan Jongboom 0:85fdc69bc10c 26 if (!network) {
Jan Jongboom 0:85fdc69bc10c 27 printf("Cannot connect to the network, see serial output");
Jan Jongboom 0:85fdc69bc10c 28 return 1;
Jan Jongboom 0:85fdc69bc10c 29 }
Jan Jongboom 0:85fdc69bc10c 30
Jan Jongboom 0:85fdc69bc10c 31 // Do a GET request to httpbin.org
Jan Jongboom 5:42f713b19337 32 {
Jan Jongboom 14:3c173847e681 33 // By default the body is automatically parsed and stored in a buffer, this is memory heavy.
Jan Jongboom 14:3c173847e681 34 // To receive chunked response, pass in a callback as last parameter to the constructor.
Jan Jongboom 5:42f713b19337 35 HttpRequest* get_req = new HttpRequest(network, HTTP_GET, "http://httpbin.org/status/418");
Jan Jongboom 0:85fdc69bc10c 36
Jan Jongboom 5:42f713b19337 37 HttpResponse* get_res = get_req->send();
Jan Jongboom 5:42f713b19337 38 if (!get_res) {
Jan Jongboom 5:42f713b19337 39 printf("HttpRequest failed (error code %d)\n", get_req->get_error());
Jan Jongboom 5:42f713b19337 40 return 1;
Jan Jongboom 5:42f713b19337 41 }
Jan Jongboom 5:42f713b19337 42
Jan Jongboom 5:42f713b19337 43 printf("\n----- HTTP GET response -----\n");
Jan Jongboom 5:42f713b19337 44 dump_response(get_res);
Jan Jongboom 5:42f713b19337 45
Jan Jongboom 5:42f713b19337 46 delete get_req;
Jan Jongboom 0:85fdc69bc10c 47 }
Jan Jongboom 0:85fdc69bc10c 48
Jan Jongboom 0:85fdc69bc10c 49 // POST request to httpbin.org
Jan Jongboom 5:42f713b19337 50 {
Jan Jongboom 5:42f713b19337 51 HttpRequest* post_req = new HttpRequest(network, HTTP_POST, "http://httpbin.org/post");
Jan Jongboom 5:42f713b19337 52 post_req->set_header("Content-Type", "application/json");
Jan Jongboom 0:85fdc69bc10c 53
Jan Jongboom 5:42f713b19337 54 const char body[] = "{\"hello\":\"world\"}";
Jan Jongboom 0:85fdc69bc10c 55
Jan Jongboom 5:42f713b19337 56 HttpResponse* post_res = post_req->send(body, strlen(body));
Jan Jongboom 5:42f713b19337 57 if (!post_res) {
Jan Jongboom 5:42f713b19337 58 printf("HttpRequest failed (error code %d)\n", post_req->get_error());
Jan Jongboom 5:42f713b19337 59 return 1;
Jan Jongboom 5:42f713b19337 60 }
Jan Jongboom 5:42f713b19337 61
Jan Jongboom 5:42f713b19337 62 printf("\n----- HTTP POST response -----\n");
Jan Jongboom 5:42f713b19337 63 dump_response(post_res);
Jan Jongboom 5:42f713b19337 64
Jan Jongboom 5:42f713b19337 65 delete post_req;
Jan Jongboom 0:85fdc69bc10c 66 }
Jan Jongboom 0:85fdc69bc10c 67
Jan Jongboom 28:9bccd981a393 68 wait(osWaitForever);
Jan Jongboom 0:85fdc69bc10c 69 }
Jan Jongboom 0:85fdc69bc10c 70
Jan Jongboom 0:85fdc69bc10c 71 #endif