main-http.cpp

00001 #include "select-demo.h"
00002 
00003 #if DEMO == DEMO_HTTP
00004 
00005 #include "mbed.h"
00006 #include "easy-connect.h"
00007 #include "http_request.h"
00008 
00009 void dump_response(HttpResponse* res) {
00010     printf("Status: %d - %s\n", res->get_status_code(), res->get_status_message().c_str());
00011 
00012     printf("Headers:\n");
00013     for (size_t ix = 0; ix < res->get_headers_length(); ix++) {
00014         printf("\t%s: %s\n", res->get_headers_fields()[ix]->c_str(), res->get_headers_values()[ix]->c_str());
00015     }
00016     printf("\nBody (%d bytes):\n\n%s\n", res->get_body_length(), res->get_body_as_string().c_str());
00017 }
00018 
00019 int main() {
00020     // Connect to the network (see mbed_app.json for the connectivity method used)
00021     NetworkInterface* network = easy_connect(true);
00022     if (!network) {
00023         printf("Cannot connect to the network, see serial output");
00024         return 1;
00025     }
00026 
00027     // Do a GET request to httpbin.org
00028     {
00029         // By default the body is automatically parsed and stored in a buffer, this is memory heavy.
00030         // To receive chunked response, pass in a callback as last parameter to the constructor.
00031         HttpRequest* get_req = new HttpRequest(network, HTTP_GET, "http://httpbin.org/status/418");
00032 
00033         HttpResponse* get_res = get_req->send();
00034         if (!get_res) {
00035             printf("HttpRequest failed (error code %d)\n", get_req->get_error());
00036             return 1;
00037         }
00038 
00039         printf("\n----- HTTP GET response -----\n");
00040         dump_response(get_res);
00041 
00042         delete get_req;
00043     }
00044 
00045     // POST request to httpbin.org
00046     {
00047         HttpRequest* post_req = new HttpRequest(network, HTTP_POST, "http://httpbin.org/post");
00048         post_req->set_header("Content-Type", "application/json");
00049 
00050         const char body[] = "{\"hello\":\"world\"}";
00051 
00052         HttpResponse* post_res = post_req->send(body, strlen(body));
00053         if (!post_res) {
00054             printf("HttpRequest failed (error code %d)\n", post_req->get_error());
00055             return 1;
00056         }
00057 
00058         printf("\n----- HTTP POST response -----\n");
00059         dump_response(post_res);
00060 
00061         delete post_req;
00062     }
00063 
00064     wait(osWaitForever);
00065 }
00066 
00067 #endif