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 /*

  * Copyright 2008-2012 Niels Provos and Nick Mathewson

  *

  * Redistribution and use in source and binary forms, with or without

  * modification, are permitted provided that the following conditions

  * are met:

  * 1. Redistributions of source code must retain the above copyright

  *    notice, this list of conditions and the following disclaimer.

  * 2. Redistributions in binary form must reproduce the above copyright

  *    notice, this list of conditions and the following disclaimer in the

  *    documentation and/or other materials provided with the distribution.

  * 4. The name of the author may not be used to endorse or promote products

  *    derived from this software without specific prior written permission.

  *

  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR

  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.

  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,

  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

  *

  */

 #include <sys/types.h>

 #include <sys/stat.h>

 #ifdef WIN32

 #include <winsock2.h>

 #else

 #include <sys/socket.h>

 #include <sys/resource.h>

 #include <sys/time.h>

 #include <unistd.h>

 #endif

 #include <fcntl.h>

 #include <signal.h>

 #include <stdlib.h>

 #include <stdio.h>

 #include <string.h>

 #include <errno.h>

 #include "event2/event.h"

 #include "event2/buffer.h"

 #include "event2/util.h"

 #include "event2/http.h"

 #include "event2/thread.h"

 static void http_basic_cb(struct evhttp_request *req, void *arg);

 static char *content;

 static size_t content_len = 0;

 static void

 http_basic_cb(struct evhttp_request *req, void *arg)

 {

 	struct evbuffer *evb = evbuffer_new();

 	evbuffer_add(evb, content, content_len);

 	/* allow sending of an empty reply */

 	evhttp_send_reply(req, HTTP_OK, "Everything is fine", evb);

 	evbuffer_free(evb);

 }

 #if LIBEVENT_VERSION_NUMBER >= 0x02000200

 static void

 http_ref_cb(struct evhttp_request *req, void *arg)

 {

 	struct evbuffer *evb = evbuffer_new();

 	evbuffer_add_reference(evb, content, content_len, NULL, NULL);

 	/* allow sending of an empty reply */

 	evhttp_send_reply(req, HTTP_OK, "Everything is fine", evb);

 	evbuffer_free(evb);

 }

 #endif

 int

 main(int argc, char **argv)

 {

 	struct event_config *cfg = event_config_new();

 	struct event_base *base;

 	struct evhttp *http;

 	int i;

 	int c;

 	int use_iocp = 0;

 	unsigned short port = 8080;

 	char *endptr = NULL;

 #ifdef WIN32

 	WSADATA WSAData;

 	WSAStartup(0x101, &WSAData);

 #else

 	if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)

 		return (1);

 #endif

 	for (i = 1; i < argc; ++i) {

 		if (*argv[i] != '-')

 			continue;

 		c = argv[i][1];

 		if ((c == 'p' || c == 'l') && i + 1 >= argc) {

 			fprintf(stderr, "-%c requires argument.\n", c);

 			exit(1);

 		}

 		switch (c) {

 		case 'p':

 			if (i+1 >= argc || !argv[i+1]) {

 				fprintf(stderr, "Missing port\n");

 				exit(1);

 			}

 			port = (int)strtol(argv[i+1], &endptr, 10);

 			if (*endptr != '\0') {

 				fprintf(stderr, "Bad port\n");

 				exit(1);

 			}

 			break;

 		case 'l':

 			if (i+1 >= argc || !argv[i+1]) {

 				fprintf(stderr, "Missing content length\n");

 				exit(1);

 			}

 			content_len = (size_t)strtol(argv[i+1], &endptr, 10);

 			if (*endptr != '\0' || content_len == 0) {

 				fprintf(stderr, "Bad content length\n");

 				exit(1);

 			}

 			break;

 #ifdef WIN32

 		case 'i':

 			use_iocp = 1;

 			evthread_use_windows_threads();

 			event_config_set_flag(cfg,EVENT_BASE_FLAG_STARTUP_IOCP);

 			break;

 #endif

 		default:

 			fprintf(stderr, "Illegal argument \"%c\"\n", c);

 			exit(1);

 		}

 	}

 	base = event_base_new_with_config(cfg);

 	if (!base) {

 		fprintf(stderr, "creating event_base failed. Exiting.\n");

 		return 1;

 	}

 	http = evhttp_new(base);

 	content = malloc(content_len);

 	if (content == NULL) {

 		fprintf(stderr, "Cannot allocate content\n");

 		exit(1);

 	} else {

 		int i = 0;

 		for (i = 0; i < (int)content_len; ++i)

 			content[i] = (i & 255);

 	}

 	evhttp_set_cb(http, "/ind", http_basic_cb, NULL);

 	fprintf(stderr, "/ind - basic content (memory copy)\n");

 #ifdef _EVENT2_EVENT_H_

 	evhttp_set_cb(http, "/ref", http_ref_cb, NULL);

 	fprintf(stderr, "/ref - basic content (reference)\n");

 #endif

 	fprintf(stderr, "Serving %d bytes on port %d using %s\n",

 	    (int)content_len, port,

 	    use_iocp? "IOCP" : event_base_get_method(base));

 	evhttp_bind_socket(http, "0.0.0.0", port);

 	if (use_iocp) {

 		struct timeval tv={99999999,0};

 		event_base_loopexit(base, &tv);

 	}

 	event_base_dispatch(base);

 	/* NOTREACHED */

 	return (0);

 }