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     printf("See if it gives any debug info");
00031 
00032     // Do a GET request to httpbin.org
00033     {
00034         // By default the body is automatically parsed and stored in a buffer, this is memory heavy.
00035         // To receive chunked response, pass in a callback as last parameter to the constructor.
00036         HttpRequest* get_req = new HttpRequest(network, HTTP_GET, "http://httpbin.org/status/418");
00037 
00038         HttpResponse* get_res = get_req->send();
00039         if (!get_res) {
00040             printf("HttpRequest failed (error code %d)\n", get_req->get_error());
00041             return 1;
00042         }
00043 
00044         printf("\n----- HTTP GET response -----\n");
00045         dump_response(get_res);
00046 
00047         delete get_req;
00048     }
00049 
00050     // POST request to httpbin.org
00051     {
00052         HttpRequest* post_req = new HttpRequest(network, HTTP_POST, "http://httpbin.org/post");
00053         post_req->set_header("Content-Type", "application/json");
00054 
00055         const char body[] = "{\"hello\":\"world\"}";
00056 
00057         HttpResponse* post_res = post_req->send(body, strlen(body));
00058         if (!post_res) {
00059             printf("HttpRequest failed (error code %d)\n", post_req->get_error());
00060             return 1;
00061         }
00062 
00063         printf("\n----- HTTP POST response -----\n");
00064         dump_response(post_res);
00065 
00066         delete post_req;
00067     }
00068 
00069     Thread::wait(osWaitForever);
00070 }
00071 
00072 #endif