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53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
// Copyright (c) 2015 Cesanta Software Limited
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// All rights reserved
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// This example shows how to handle long, blocking requests by
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// handing off computation to different threads. Here, each
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// request spawns a new thread. In a production scenario, a thread
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// pools can be used for efficiency, if required.
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// Long computation is simulated by sleeping for a random interval.
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#include "mongoose.h"
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static const char *s_http_port = "8000";
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static void ev_handler(struct mg_connection *c, int ev, void *p) {
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if (ev == MG_EV_HTTP_REQUEST) {
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struct http_message *hm = (struct http_message *) p;
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char reply[100];
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/* Simulate long calculation */
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sleep(3);
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/* Send the reply */
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snprintf(reply, sizeof(reply), "{ \"uri\": \"%.*s\" }\n",
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(int) hm->uri.len, hm->uri.p);
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mg_printf(c, "HTTP/1.1 200 OK\r\n"
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"Content-Type: application/json\r\n"
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"Content-Length: %d\r\n"
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"\r\n"
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"%s",
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(int) strlen(reply), reply);
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}
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}
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int main(void) {
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struct mg_mgr mgr;
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struct mg_connection *nc;
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mg_mgr_init(&mgr, NULL);
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nc = mg_bind(&mgr, s_http_port, ev_handler);
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mg_set_protocol_http_websocket(nc);
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/* For each new connection, execute ev_handler in a separate thread */
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mg_enable_multithreading(nc);
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printf("Starting multi-threaded server on port %s\n", s_http_port);
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for (;;) {
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mg_mgr_poll(&mgr, 3000);
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}
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mg_mgr_free(&mgr);
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return 0;
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}
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