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     while(1) {
00025         printf("Hello?\n");
00026     }
00027     NetworkInterface *network = easy_connect(true);
00028     if (!network) {
00029         printf("Cannot connect to the network, see serial output");
00030         return 1;
00031     }
00032 
00033     printf("See if it gives any debug info");
00034 
00035     // Do a GET request to httpbin.org
00036     {
00037         // By default the body is automatically parsed and stored in a buffer, this is memory heavy.
00038         // To receive chunked response, pass in a callback as last parameter to the constructor.
00039         HttpRequest* get_req = new HttpRequest(network, HTTP_GET, "http://httpbin.org/status/418");
00040 
00041         HttpResponse* get_res = get_req->send();
00042         if (!get_res) {
00043             printf("HttpRequest failed (error code %d)\n", get_req->get_error());
00044             return 1;
00045         }
00046 
00047         printf("\n----- HTTP GET response -----\n");
00048         dump_response(get_res);
00049 
00050         delete get_req;
00051     }
00052 
00053     // POST request to httpbin.org
00054     {
00055         HttpRequest* post_req = new HttpRequest(network, HTTP_POST, "http://httpbin.org/post");
00056         post_req->set_header("Content-Type", "application/json");
00057 
00058         const char body[] = "{\"hello\":\"world\"}";
00059 
00060         HttpResponse* post_res = post_req->send(body, strlen(body));
00061         if (!post_res) {
00062             printf("HttpRequest failed (error code %d)\n", post_req->get_error());
00063             return 1;
00064         }
00065 
00066         printf("\n----- HTTP POST response -----\n");
00067         dump_response(post_res);
00068 
00069         delete post_req;
00070     }
00071 
00072     Thread::wait(osWaitForever);
00073 }
00074 
00075 #endif