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 Serial pc(USBTX, USBRX);
00010 
00011 void dump_response(HttpResponse* res) {
00012     printf("Status: %d - %s\n", res->get_status_code(), res->get_status_message().c_str());
00013 
00014     printf("Headers:\n");
00015     for (size_t ix = 0; ix < res->get_headers_length(); ix++) {
00016         printf("\t%s: %s\n", res->get_headers_fields()[ix]->c_str(), res->get_headers_values()[ix]->c_str());
00017     }
00018     printf("\nBody (%d bytes):\n\n%s\n", res->get_body_length(), res->get_body_as_string().c_str());
00019 }
00020 
00021 int main() {
00022     pc.baud(115200);
00023     // Connect to the network (see mbed_app.json for the connectivity method used)
00024     NetworkInterface *network = easy_connect(true);
00025     if (!network) {
00026         printf("Cannot connect to the network, see serial output");
00027         return 1;
00028     }
00029 
00030     // Do a GET request to httpbin.org
00031     {
00032         // By default the body is automatically parsed and stored in a buffer, this is memory heavy.
00033         // To receive chunked response, pass in a callback as last parameter to the constructor.
00034         HttpRequest* get_req = new HttpRequest(network, HTTP_GET, "http://httpbin.org/status/418");
00035 
00036         HttpResponse* get_res = get_req->send();
00037         if (!get_res) {
00038             printf("HttpRequest failed (error code %d)\n", get_req->get_error());
00039             return 1;
00040         }
00041 
00042         printf("\n----- HTTP GET response -----\n");
00043         dump_response(get_res);
00044 
00045         delete get_req;
00046     }
00047 
00048     // POST request to httpbin.org
00049     {
00050         HttpRequest* post_req = new HttpRequest(network, HTTP_POST, "http://httpbin.org/post");
00051         post_req->set_header("Content-Type", "application/json");
00052 
00053         const char body[] = "{\"hello\":\"world\"}";
00054 
00055         HttpResponse* post_res = post_req->send(body, strlen(body));
00056         if (!post_res) {
00057             printf("HttpRequest failed (error code %d)\n", post_req->get_error());
00058             return 1;
00059         }
00060 
00061         printf("\n----- HTTP POST response -----\n");
00062         dump_response(post_res);
00063 
00064         delete post_req;
00065     }
00066 
00067     Thread::wait(osWaitForever);
00068 }
00069 
00070 #endif