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83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
// Copyright (c) 2014 Cesanta Software
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// All rights reserved
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//
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// This example demostrates how to connect to the remote Web server,
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// download data, process it and send back a reply.
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#include <signal.h>
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#include <stdlib.h>
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#include "mongoose.h"
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static int s_received_signal = 0;
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static struct mg_server *s_server = NULL;
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static const char *s_remote_host = "glosbe.com";
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static int s_remote_port = 80;
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static void signal_handler(int sig_num) {
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signal(sig_num, signal_handler);
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s_received_signal = sig_num;
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}
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static int ev_handler(struct mg_connection *conn, enum mg_event ev) {
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struct mg_connection *client, *orig;
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switch (ev) {
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case MG_AUTH:
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return MG_TRUE;
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case MG_CONNECT:
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// Send request to the remote host.
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// TODO(lsm): handle connect error here.
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mg_printf(conn, "GET %s HTTP/1.0\r\nHost: %s\r\n\r\n",
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"/gapi/translate?from=eng&dest=fra&format=json&phrase=cat",
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s_remote_host);
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return MG_TRUE;
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case MG_REPLY:
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// Send reply to the original connection
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orig = (struct mg_connection *) conn->connection_param;
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mg_send_header(orig, "Content-Type", "text/plain");
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mg_send_data(orig, conn->content, conn->content_len);
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mg_send_data(orig, "", 0); // Last chunk: mark the end of reply
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// Disconnect connections
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orig->connection_param = NULL;
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conn->connection_param = NULL;
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return MG_TRUE;
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case MG_REQUEST:
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if ((client = mg_connect(s_server, s_remote_host, s_remote_port, 0)) != NULL) {
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// Interconnect requests
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client->connection_param = conn;
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conn->connection_param = client;
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return MG_MORE;
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} else {
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mg_printf_data(conn, "%s", "cannot send API request");
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return MG_TRUE;
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}
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default:
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return MG_FALSE;
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}
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}
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int main(void) {
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s_server = mg_create_server(NULL, ev_handler);
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mg_set_option(s_server, "listening_port", "8080");
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// Setup signal handlers
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signal(SIGTERM, signal_handler);
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signal(SIGINT, signal_handler);
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printf("Listening on port %s\n", mg_get_option(s_server, "listening_port"));
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while (s_received_signal == 0) {
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mg_poll_server(s_server, 1000);
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}
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mg_destroy_server(&s_server);
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printf("Existing on signal %d\n", s_received_signal);
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return EXIT_SUCCESS;
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}
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