main.cpp

00001 //=====[Libraries]=============================================================
00002 
00003 // Se incluye como parte de la la clase HTTP
00004 #include "select-demo.h"
00005 #if DEMO == MAIN
00006 
00007 #include "mbed.h"
00008 #include "http_request.h"
00009 #include "network-helper.h"
00010 #include "mbed_mem_trace.h"
00011 
00012 #include <stdio.h>
00013 #include <string.h>
00014 
00015 //=====[Declaration and initialization of public global objects]===============
00016 
00017 //=====[Declaration and initialization of public global variables]=============
00018 
00019 //=====[Declarations (prototypes) of public functions]=========================
00020 
00021 void response(HttpResponse* res);
00022 
00023 //=====[Main function, the program entry point after power on or reset]========
00024 
00025 int main() {
00026     printf("\n----- Ejemplo de test REST Client -----\n");
00027     // Conéctese a la red con la interfaz de red predeterminada
00028     NetworkInterface* network = connect_to_default_network_interface();
00029     if (!network) {
00030         printf("No se puede conectar a la red\n");
00031         return 1;
00032     }
00033 
00034     // Se realiza la solicitud GET
00035     {
00036         // De forma predeterminada, el cuerpo se analiza y almacena automáticamente en un búfer, esto es una gran cantidad de memoria.
00037         // Para recibir una respuesta fragmentada, pase una devolución de llamada como último parámetro al constructor.
00038         HttpRequest* get_req = new HttpRequest(network, HTTP_GET, "http://192.168.1.75:3000/mediciones");
00039 
00040         HttpResponse* get_res = get_req->send();
00041         if (!get_res) {
00042             printf("HttpRequest failed (error code %d)\n", get_req->get_error());
00043             return 1;
00044         }
00045 
00046         printf("\n----- HTTP GET response -----\n");
00047         response(get_res);
00048 
00049         delete get_req;
00050     }
00051 
00052     // Solicitud POST
00053     {
00054         HttpRequest* post_req = new HttpRequest(network, HTTP_POST, "http://192.168.1.75:3000/mediciones");
00055         post_req->set_header("Content-Type", "application/json");
00056 
00057         const char body[] = "{\"uuid\":\"12345\",\"valor\":12.34}";
00058 
00059         HttpResponse* post_res = post_req->send(body, strlen(body));
00060         if (!post_res) {
00061             printf("HttpRequest failed (error code %d)\n", post_req->get_error());
00062             return 1;
00063         }
00064 
00065         printf("\n----- HTTP POST response -----\n");
00066         response(post_res);
00067 
00068         delete post_req;
00069     }
00070 
00071     wait(osWaitForever);
00072 }
00073 
00074 //=====[Implementations of public functions]===================================
00075 
00076 void response(HttpResponse* res) {
00077     printf("Status: %d - %s\n", res->get_status_code(), res->get_status_message().c_str());
00078 
00079     printf("Headers:\n");
00080     for (size_t ix = 0; ix < res->get_headers_length(); ix++) {
00081         printf("\t%s: %s\n", res->get_headers_fields()[ix]->c_str(), res->get_headers_values()[ix]->c_str());
00082     }
00083     printf("\nBody (%d bytes):\n\n%s\n", res->get_body_length(), res->get_body_as_string().c_str());
00084 }
00085 
00086 #endif