yoshi kuwae yoshi / Mbed OS http-example

a

Dependencies:   mbed-http

Fork of http-example by sandbox

source/main-http.cpp@5:42f713b19337, 2017-02-23 (annotated)

Committer:
Jan Jongboom
Date:
Thu Feb 23 13:58:24 2017 +0100
Revision:
5:42f713b19337
Parent:
3:0f5859a9e3de
Child:
7:5d32909f77de
Rely on Content-Length, allocate body on the heap

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 0:85fdc69bc10c 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 0:85fdc69bc10c 23 // Connect to the network (see mbed_app.json for the connectivity method used)
Jan Jongboom 0:85fdc69bc10c 24 NetworkInterface *network = easy_connect(true);
Jan Jongboom 0:85fdc69bc10c 25 if (!network) {
Jan Jongboom 0:85fdc69bc10c 26 printf("Cannot connect to the network, see serial output");
Jan Jongboom 0:85fdc69bc10c 27 return 1;
Jan Jongboom 0:85fdc69bc10c 28 }
Jan Jongboom 0:85fdc69bc10c 29
Jan Jongboom 0:85fdc69bc10c 30 // Do a GET request to httpbin.org
Jan Jongboom 5:42f713b19337 31 {
Jan Jongboom 5:42f713b19337 32 HttpRequest* get_req = new HttpRequest(network, HTTP_GET, "http://httpbin.org/status/418");
Jan Jongboom 0:85fdc69bc10c 33
Jan Jongboom 5:42f713b19337 34 // By default the body is automatically parsed and stored in a string, this is memory heavy.
Jan Jongboom 5:42f713b19337 35 // To receive chunked response, pass in a callback as third parameter to 'send'.
Jan Jongboom 5:42f713b19337 36 HttpResponse* get_res = get_req->send();
Jan Jongboom 5:42f713b19337 37 if (!get_res) {
Jan Jongboom 5:42f713b19337 38 printf("HttpRequest failed (error code %d)\n", get_req->get_error());
Jan Jongboom 5:42f713b19337 39 return 1;
Jan Jongboom 5:42f713b19337 40 }
Jan Jongboom 5:42f713b19337 41
Jan Jongboom 5:42f713b19337 42 printf("\n----- HTTP GET response -----\n");
Jan Jongboom 5:42f713b19337 43 dump_response(get_res);
Jan Jongboom 5:42f713b19337 44
Jan Jongboom 5:42f713b19337 45 delete get_req;
Jan Jongboom 0:85fdc69bc10c 46 }
Jan Jongboom 0:85fdc69bc10c 47
Jan Jongboom 0:85fdc69bc10c 48 // POST request to httpbin.org
Jan Jongboom 5:42f713b19337 49 {
Jan Jongboom 5:42f713b19337 50 HttpRequest* post_req = new HttpRequest(network, HTTP_POST, "http://httpbin.org/post");
Jan Jongboom 5:42f713b19337 51 post_req->set_header("Content-Type", "application/json");
Jan Jongboom 0:85fdc69bc10c 52
Jan Jongboom 5:42f713b19337 53 const char body[] = "{\"hello\":\"world\"}";
Jan Jongboom 0:85fdc69bc10c 54
Jan Jongboom 5:42f713b19337 55 HttpResponse* post_res = post_req->send(body, strlen(body));
Jan Jongboom 5:42f713b19337 56 if (!post_res) {
Jan Jongboom 5:42f713b19337 57 printf("HttpRequest failed (error code %d)\n", post_req->get_error());
Jan Jongboom 5:42f713b19337 58 return 1;
Jan Jongboom 5:42f713b19337 59 }
Jan Jongboom 5:42f713b19337 60
Jan Jongboom 5:42f713b19337 61 printf("\n----- HTTP POST response -----\n");
Jan Jongboom 5:42f713b19337 62 dump_response(post_res);
Jan Jongboom 5:42f713b19337 63
Jan Jongboom 5:42f713b19337 64 delete post_req;
Jan Jongboom 0:85fdc69bc10c 65 }
Jan Jongboom 0:85fdc69bc10c 66
Jan Jongboom 0:85fdc69bc10c 67 Thread::wait(osWaitForever);
Jan Jongboom 0:85fdc69bc10c 68 }
Jan Jongboom 0:85fdc69bc10c 69
Jan Jongboom 0:85fdc69bc10c 70 #endif