simple http request (temperature data) from mbed lpc1768 with application board to thingsboard device/dashboard
Fork of http-example by
Diff: source/main-http.cpp
- Revision:
- 31:cba9d9dea21a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/source/main-http.cpp Fri Jun 29 03:19:58 2018 +0000 @@ -0,0 +1,67 @@ +#include "select-demo.h" + +#if DEMO == DEMO_HTTP + +#include "mbed.h" +#include "easy-connect.h" +#include "http_request.h" + +void dump_response(HttpResponse* res) { + printf("Status: %d - %s\n", res->get_status_code(), res->get_status_message().c_str()); + + printf("Headers:\n"); + for (size_t ix = 0; ix < res->get_headers_length(); ix++) { + printf("\t%s: %s\n", res->get_headers_fields()[ix]->c_str(), res->get_headers_values()[ix]->c_str()); + } + printf("\nBody (%d bytes):\n\n%s\n", res->get_body_length(), res->get_body_as_string().c_str()); +} + +int main() { + // Connect to the network (see mbed_app.json for the connectivity method used) + NetworkInterface* network = easy_connect(true); + if (!network) { + printf("Cannot connect to the network, see serial output"); + return 1; + } + + // Do a GET request to httpbin.org + { + // By default the body is automatically parsed and stored in a buffer, this is memory heavy. + // To receive chunked response, pass in a callback as last parameter to the constructor. + HttpRequest* get_req = new HttpRequest(network, HTTP_GET, "http://httpbin.org/status/418"); + + HttpResponse* get_res = get_req->send(); + if (!get_res) { + printf("HttpRequest failed (error code %d)\n", get_req->get_error()); + return 1; + } + + printf("\n----- HTTP GET response -----\n"); + dump_response(get_res); + + delete get_req; + } + + // POST request to httpbin.org + { + HttpRequest* post_req = new HttpRequest(network, HTTP_POST, "http://httpbin.org/post"); + post_req->set_header("Content-Type", "application/json"); + + const char body[] = "{\"hello\":\"world\"}"; + + HttpResponse* post_res = post_req->send(body, strlen(body)); + if (!post_res) { + printf("HttpRequest failed (error code %d)\n", post_req->get_error()); + return 1; + } + + printf("\n----- HTTP POST response -----\n"); + dump_response(post_res); + + delete post_req; + } + + wait(osWaitForever); +} + +#endif