2020-12-12 10:22:45 +00:00

47 lines
1.4 KiB
C

// Copyright (c) 2020 Cesanta Software Limited
// All rights reserved
//
// Example HTTP client. Usage:
// make
// ./example http://www.ladyada.net/
//
// To enable SSL/TLS for this client, build it like this:
// make MBEDTLS_DIR=/path/to/your/mbedtls/installation
#include "mongoose.h"
// Print HTTP response and signal that we're done
static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
if (ev == MG_EV_HTTP_MSG) {
struct mg_http_message *hm = (struct mg_http_message *) ev_data;
printf("%.*s", (int) hm->message.len, hm->message.ptr);
c->is_closing = 1;
*(bool *) fn_data = true;
}
}
int main(int argc, char *argv[]) {
struct mg_mgr mgr; // Event manager
mg_mgr_init(&mgr); // Initialise event manager
if (argc != 2) {
fprintf(stderr, "Usage: %s URL\n", argv[0]); // Print error
} else {
bool done = false; // Event handler flips it to true
struct mg_connection *c = mg_http_connect(&mgr, argv[1], fn, &done);
if (c != NULL) {
mg_printf(c, "GET %s HTTP/1.0\r\n\r\n", mg_url_uri(argv[1]));
// If target URL is SSL/TLS, command client connection to use TLS
if (mg_url_is_ssl(argv[1])) {
struct mg_tls_opts opts = {.ca = "ca.pem"};
mg_tls_init(c, &opts);
}
}
while (done == false) mg_mgr_poll(&mgr, 1000); // Event loop
}
mg_mgr_free(&mgr);
return 0;
}