Mohamad Nazrin Napiah / Mbed OS http-example

mbed os 5 http example by nazrin

Fork of http-example by sandbox

main.cpp@30:318e8c07b0f9, 2018-06-28 (annotated)

Committer:
MohamadNazrin
Date:
Thu Jun 28 08:03:16 2018 +0000
Revision:
30:318e8c07b0f9
mbed http

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MohamadNazrin 30:318e8c07b0f9 1 #include "select-demo.h"
MohamadNazrin 30:318e8c07b0f9 2
MohamadNazrin 30:318e8c07b0f9 3 #if DEMO == DEMO_HTTP_SOCKET_REUSE
MohamadNazrin 30:318e8c07b0f9 4
MohamadNazrin 30:318e8c07b0f9 5 #include "mbed.h"
MohamadNazrin 30:318e8c07b0f9 6 #include "easy-connect.h"
MohamadNazrin 30:318e8c07b0f9 7 #include "http_request.h"
MohamadNazrin 30:318e8c07b0f9 8
MohamadNazrin 30:318e8c07b0f9 9 void dump_response(HttpResponse* res) {
MohamadNazrin 30:318e8c07b0f9 10 printf("Status: %d - %s\n", res->get_status_code(), res->get_status_message().c_str());
MohamadNazrin 30:318e8c07b0f9 11
MohamadNazrin 30:318e8c07b0f9 12 printf("Headers:\n");
MohamadNazrin 30:318e8c07b0f9 13 for (size_t ix = 0; ix < res->get_headers_length(); ix++) {
MohamadNazrin 30:318e8c07b0f9 14 printf("\t%s: %s\n", res->get_headers_fields()[ix]->c_str(), res->get_headers_values()[ix]->c_str());
MohamadNazrin 30:318e8c07b0f9 15 }
MohamadNazrin 30:318e8c07b0f9 16 printf("\nBody (%d bytes):\n\n%s\n", res->get_body_length(), res->get_body_as_string().c_str());
MohamadNazrin 30:318e8c07b0f9 17 }
MohamadNazrin 30:318e8c07b0f9 18
MohamadNazrin 30:318e8c07b0f9 19 int main() {
MohamadNazrin 30:318e8c07b0f9 20 // Connect to the network (see mbed_app.json for the connectivity method used)
MohamadNazrin 30:318e8c07b0f9 21 NetworkInterface* network = easy_connect(true);
MohamadNazrin 30:318e8c07b0f9 22 if (!network) {
MohamadNazrin 30:318e8c07b0f9 23 printf("Cannot connect to the network, see serial output");
MohamadNazrin 30:318e8c07b0f9 24 return 1;
MohamadNazrin 30:318e8c07b0f9 25 }
MohamadNazrin 30:318e8c07b0f9 26
MohamadNazrin 30:318e8c07b0f9 27 // Create a TCP socket
MohamadNazrin 30:318e8c07b0f9 28 printf("\n----- Setting up TCP connection -----\n");
MohamadNazrin 30:318e8c07b0f9 29
MohamadNazrin 30:318e8c07b0f9 30 TCPSocket* socket = new TCPSocket();
MohamadNazrin 30:318e8c07b0f9 31 nsapi_error_t open_result = socket->open(network);
MohamadNazrin 30:318e8c07b0f9 32 if (open_result != 0) {
MohamadNazrin 30:318e8c07b0f9 33 printf("Opening TCPSocket failed... %d\n", open_result);
MohamadNazrin 30:318e8c07b0f9 34 return 1;
MohamadNazrin 30:318e8c07b0f9 35 }
MohamadNazrin 30:318e8c07b0f9 36
MohamadNazrin 30:318e8c07b0f9 37 nsapi_error_t connect_result = socket->connect("httpbin.org", 80);
MohamadNazrin 30:318e8c07b0f9 38 if (connect_result != 0) {
MohamadNazrin 30:318e8c07b0f9 39 printf("Connecting over TCPSocket failed... %d\n", connect_result);
MohamadNazrin 30:318e8c07b0f9 40 return 1;
MohamadNazrin 30:318e8c07b0f9 41 }
MohamadNazrin 30:318e8c07b0f9 42
MohamadNazrin 30:318e8c07b0f9 43 printf("Connected over TCP to httpbin.org:80\n");
MohamadNazrin 30:318e8c07b0f9 44
MohamadNazrin 30:318e8c07b0f9 45 // Do a GET request to httpbin.org
MohamadNazrin 30:318e8c07b0f9 46 {
MohamadNazrin 30:318e8c07b0f9 47 HttpRequest* get_req = new HttpRequest(socket, HTTP_GET, "http://httpbin.org/status/418");
MohamadNazrin 30:318e8c07b0f9 48
MohamadNazrin 30:318e8c07b0f9 49 // By default the body is automatically parsed and stored in a string, this is memory heavy.
MohamadNazrin 30:318e8c07b0f9 50 // To receive chunked response, pass in a callback as third parameter to 'send'.
MohamadNazrin 30:318e8c07b0f9 51 HttpResponse* get_res = get_req->send();
MohamadNazrin 30:318e8c07b0f9 52 if (!get_res) {
MohamadNazrin 30:318e8c07b0f9 53 printf("HttpRequest failed (error code %d)\n", get_req->get_error());
MohamadNazrin 30:318e8c07b0f9 54 return 1;
MohamadNazrin 30:318e8c07b0f9 55 }
MohamadNazrin 30:318e8c07b0f9 56
MohamadNazrin 30:318e8c07b0f9 57 printf("\n----- HTTP GET response -----\n");
MohamadNazrin 30:318e8c07b0f9 58 dump_response(get_res);
MohamadNazrin 30:318e8c07b0f9 59
MohamadNazrin 30:318e8c07b0f9 60 delete get_req;
MohamadNazrin 30:318e8c07b0f9 61 }
MohamadNazrin 30:318e8c07b0f9 62
MohamadNazrin 30:318e8c07b0f9 63 // POST request to httpbin.org
MohamadNazrin 30:318e8c07b0f9 64 {
MohamadNazrin 30:318e8c07b0f9 65 HttpRequest* post_req = new HttpRequest(socket, HTTP_POST, "http://httpbin.org/post");
MohamadNazrin 30:318e8c07b0f9 66 post_req->set_header("Content-Type", "application/json");
MohamadNazrin 30:318e8c07b0f9 67
MohamadNazrin 30:318e8c07b0f9 68 const char body[] = "{\"hello\":\"world\"}";
MohamadNazrin 30:318e8c07b0f9 69
MohamadNazrin 30:318e8c07b0f9 70 HttpResponse* post_res = post_req->send(body, strlen(body));
MohamadNazrin 30:318e8c07b0f9 71 if (!post_res) {
MohamadNazrin 30:318e8c07b0f9 72 printf("HttpRequest failed (error code %d)\n", post_req->get_error());
MohamadNazrin 30:318e8c07b0f9 73 return 1;
MohamadNazrin 30:318e8c07b0f9 74 }
MohamadNazrin 30:318e8c07b0f9 75
MohamadNazrin 30:318e8c07b0f9 76 printf("\n----- HTTP POST response -----\n");
MohamadNazrin 30:318e8c07b0f9 77 dump_response(post_res);
MohamadNazrin 30:318e8c07b0f9 78
MohamadNazrin 30:318e8c07b0f9 79 delete post_req;
MohamadNazrin 30:318e8c07b0f9 80 }
MohamadNazrin 30:318e8c07b0f9 81
MohamadNazrin 30:318e8c07b0f9 82 delete socket;
MohamadNazrin 30:318e8c07b0f9 83
MohamadNazrin 30:318e8c07b0f9 84 wait(osWaitForever);
MohamadNazrin 30:318e8c07b0f9 85 }
MohamadNazrin 30:318e8c07b0f9 86
MohamadNazrin 30:318e8c07b0f9 87 #endif