remove unused libevent (that was merged from 5.6 by mistake)

1 files changed, 0 insertions, 2830 deletions

diff --git a/libevent/http.c b/libevent/http.c
deleted file mode 100644
index 871bc2e4d0c..00000000000
--- a/libevent/http.c
+++ /dev/null
@@ -1,2830 +0,0 @@
-/*
- * Copyright (c) 2002-2006 Niels Provos <provos@citi.umich.edu>
- * All rights reserved.
- *
- * 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.
- * 3. 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.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#ifdef HAVE_SYS_PARAM_H
-#include <sys/param.h>
-#endif
-#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-
-#ifdef HAVE_SYS_TIME_H
-#include <sys/time.h>
-#endif
-#ifdef HAVE_SYS_IOCCOM_H
-#include <sys/ioccom.h>
-#endif
-
-#ifndef WIN32
-#include <sys/resource.h>
-#include <sys/socket.h>
-#include <sys/stat.h>
-#include <sys/wait.h>
-#endif
-
-#include <sys/queue.h>
-
-#ifndef HAVE_TAILQFOREACH
-#include <event-internal.h>
-#endif
-
-#ifndef WIN32
-#include <netinet/in.h>
-#include <netdb.h>
-#endif
-
-#ifdef WIN32
-#include <winsock2.h>
-#endif
-
-#include <assert.h>
-#include <ctype.h>
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#ifndef WIN32
-#include <syslog.h>
-#endif
-#include <signal.h>
-#include <time.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#ifdef HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-
-#undef timeout_pending
-#undef timeout_initialized
-
-#include "strlcpy-internal.h"
-#include "event.h"
-#include "evhttp.h"
-#include "evutil.h"
-#include "log.h"
-#include "http-internal.h"
-
-#ifdef WIN32
-#define strcasecmp _stricmp
-#define strncasecmp _strnicmp
-#define strdup _strdup
-#endif
-
-#ifndef HAVE_GETNAMEINFO
-#define NI_MAXSERV 32
-#define NI_MAXHOST 1025
-
-#define NI_NUMERICHOST 1
-#define NI_NUMERICSERV 2
-
-static int
-fake_getnameinfo(const struct sockaddr *sa, size_t salen, char *host, 
-	size_t hostlen, char *serv, size_t servlen, int flags)
-{
-        struct sockaddr_in *sin = (struct sockaddr_in *)sa;
-        
-        if (serv != NULL) {
-				char tmpserv[16];
-				evutil_snprintf(tmpserv, sizeof(tmpserv),
-					"%d", ntohs(sin->sin_port));
-                if (strlcpy(serv, tmpserv, servlen) >= servlen)
-                        return (-1);
-        }
-
-        if (host != NULL) {
-                if (flags & NI_NUMERICHOST) {
-                        if (strlcpy(host, inet_ntoa(sin->sin_addr),
-                            hostlen) >= hostlen)
-                                return (-1);
-                        else
-                                return (0);
-                } else {
-						struct hostent *hp;
-                        hp = gethostbyaddr((char *)&sin->sin_addr, 
-                            sizeof(struct in_addr), AF_INET);
-                        if (hp == NULL)
-                                return (-2);
-                        
-                        if (strlcpy(host, hp->h_name, hostlen) >= hostlen)
-                                return (-1);
-                        else
-                                return (0);
-                }
-        }
-        return (0);
-}
-
-#endif
-
-#ifndef HAVE_GETADDRINFO
-struct addrinfo {
-	int ai_family;
-	int ai_socktype;
-	int ai_protocol;
-	size_t ai_addrlen;
-	struct sockaddr *ai_addr;
-	struct addrinfo *ai_next;
-};
-static int
-fake_getaddrinfo(const char *hostname, struct addrinfo *ai)
-{
-	struct hostent *he = NULL;
-	struct sockaddr_in *sa;
-	if (hostname) {
-		he = gethostbyname(hostname);
-		if (!he)
-			return (-1);
-	}
-	ai->ai_family = he ? he->h_addrtype : AF_INET;
-	ai->ai_socktype = SOCK_STREAM;
-	ai->ai_protocol = 0;
-	ai->ai_addrlen = sizeof(struct sockaddr_in);
-	if (NULL == (ai->ai_addr = malloc(ai->ai_addrlen)))
-		return (-1);
-	sa = (struct sockaddr_in*)ai->ai_addr;
-	memset(sa, 0, ai->ai_addrlen);
-	if (he) {
-		sa->sin_family = he->h_addrtype;
-		memcpy(&sa->sin_addr, he->h_addr_list[0], he->h_length);
-	} else {
-		sa->sin_family = AF_INET;
-		sa->sin_addr.s_addr = INADDR_ANY;
-	}
-	ai->ai_next = NULL;
-	return (0);
-}
-static void
-fake_freeaddrinfo(struct addrinfo *ai)
-{
-	free(ai->ai_addr);
-}
-#endif
-
-#ifndef MIN
-#define MIN(a,b) (((a)<(b))?(a):(b))
-#endif
-
-/* wrapper for setting the base from the http server */
-#define EVHTTP_BASE_SET(x, y) do { \
-	if ((x)->base != NULL) event_base_set((x)->base, y);	\
-} while (0) 
-
-extern int debug;
-
-static int socket_connect(int fd, const char *address, unsigned short port);
-static int bind_socket_ai(struct addrinfo *, int reuse);
-static int bind_socket(const char *, u_short, int reuse);
-static void name_from_addr(struct sockaddr *, socklen_t, char **, char **);
-static int evhttp_associate_new_request_with_connection(
-	struct evhttp_connection *evcon);
-static void evhttp_connection_start_detectclose(
-	struct evhttp_connection *evcon);
-static void evhttp_connection_stop_detectclose(
-	struct evhttp_connection *evcon);
-static void evhttp_request_dispatch(struct evhttp_connection* evcon);
-static void evhttp_read_firstline(struct evhttp_connection *evcon,
-				  struct evhttp_request *req);
-static void evhttp_read_header(struct evhttp_connection *evcon,
-    struct evhttp_request *req);
-static int evhttp_add_header_internal(struct evkeyvalq *headers,
-    const char *key, const char *value);
-static int evhttp_decode_uri_internal(const char *uri, size_t length,
-    char *ret, int always_decode_plus);
-
-void evhttp_read(int, short, void *);
-void evhttp_write(int, short, void *);
-
-#ifndef HAVE_STRSEP
-/* strsep replacement for platforms that lack it.  Only works if
- * del is one character long. */
-static char *
-strsep(char **s, const char *del)
-{
-	char *d, *tok;
-	assert(strlen(del) == 1);
-	if (!s || !*s)
-		return NULL;
-	tok = *s;
-	d = strstr(tok, del);
-	if (d) {
-		*d = '\0';
-		*s = d + 1;
-	} else
-		*s = NULL;
-	return tok;
-}
-#endif
-
-static const char *
-html_replace(char ch, char *buf)
-{
-	switch (ch) {
-	case '<':
-		return "&lt;";
-	case '>':
-		return "&gt;";
-	case '"':
-		return "&quot;";
-	case '\'':
-		return "&#039;";
-	case '&':
-		return "&amp;";
-	default:
-		break;
-	}
-
-	/* Echo the character back */
-	buf[0] = ch;
-	buf[1] = '\0';
-	
-	return buf;
-}
-
-/*
- * Replaces <, >, ", ' and & with &lt;, &gt;, &quot;,
- * &#039; and &amp; correspondingly.
- *
- * The returned string needs to be freed by the caller.
- */
-
-char *
-evhttp_htmlescape(const char *html)
-{
-	int i, new_size = 0, old_size = strlen(html);
-	char *escaped_html, *p;
-	char scratch_space[2];
-	
-	for (i = 0; i < old_size; ++i)
-          new_size += strlen(html_replace(html[i], scratch_space));
-
-	p = escaped_html = malloc(new_size + 1);
-	if (escaped_html == NULL)
-		event_err(1, "%s: malloc(%d)", __func__, new_size + 1);
-	for (i = 0; i < old_size; ++i) {
-		const char *replaced = html_replace(html[i], scratch_space);
-		/* this is length checked */
-		strcpy(p, replaced);
-		p += strlen(replaced);
-	}
-
-	*p = '\0';
-
-	return (escaped_html);
-}
-
-static const char *
-evhttp_method(enum evhttp_cmd_type type)
-{
-	const char *method;
-
-	switch (type) {
-	case EVHTTP_REQ_GET:
-		method = "GET";
-		break;
-	case EVHTTP_REQ_POST:
-		method = "POST";
-		break;
-	case EVHTTP_REQ_HEAD:
-		method = "HEAD";
-		break;
-	default:
-		method = NULL;
-		break;
-	}
-
-	return (method);
-}
-
-static void
-evhttp_add_event(struct event *ev, int timeout, int default_timeout)
-{
-	if (timeout != 0) {
-		struct timeval tv;
-		
-		evutil_timerclear(&tv);
-		tv.tv_sec = timeout != -1 ? timeout : default_timeout;
-		event_add(ev, &tv);
-	} else {
-		event_add(ev, NULL);
-	}
-}
-
-void
-evhttp_write_buffer(struct evhttp_connection *evcon,
-    void (*cb)(struct evhttp_connection *, void *), void *arg)
-{
-	event_debug(("%s: preparing to write buffer\n", __func__));
-
-	/* Set call back */
-	evcon->cb = cb;
-	evcon->cb_arg = arg;
-
-	/* check if the event is already pending */
-	if (event_pending(&evcon->ev, EV_WRITE|EV_TIMEOUT, NULL))
-		event_del(&evcon->ev);
-
-	event_set(&evcon->ev, evcon->fd, EV_WRITE, evhttp_write, evcon);
-	EVHTTP_BASE_SET(evcon, &evcon->ev);
-	evhttp_add_event(&evcon->ev, evcon->timeout, HTTP_WRITE_TIMEOUT);
-}
-
-static int
-evhttp_connected(struct evhttp_connection *evcon)
-{
-	switch (evcon->state) {
-	case EVCON_DISCONNECTED:
-	case EVCON_CONNECTING:
-		return (0);
-	case EVCON_IDLE:
-	case EVCON_READING_FIRSTLINE:
-	case EVCON_READING_HEADERS:
-	case EVCON_READING_BODY:
-	case EVCON_READING_TRAILER:
-	case EVCON_WRITING:
-	default:
-		return (1);
-	}
-}
-
-/*
- * Create the headers needed for an HTTP request
- */
-static void
-evhttp_make_header_request(struct evhttp_connection *evcon,
-    struct evhttp_request *req)
-{
-	const char *method;
-	
-	evhttp_remove_header(req->output_headers, "Proxy-Connection");
-
-	/* Generate request line */
-	method = evhttp_method(req->type);
-	evbuffer_add_printf(evcon->output_buffer, "%s %s HTTP/%d.%d\r\n",
-	    method, req->uri, req->major, req->minor);
-
-	/* Add the content length on a post request if missing */
-	if (req->type == EVHTTP_REQ_POST &&
-	    evhttp_find_header(req->output_headers, "Content-Length") == NULL){
-		char size[12];
-		evutil_snprintf(size, sizeof(size), "%ld",
-		    (long)EVBUFFER_LENGTH(req->output_buffer));
-		evhttp_add_header(req->output_headers, "Content-Length", size);
-	}
-}
-
-static int
-evhttp_is_connection_close(int flags, struct evkeyvalq* headers)
-{
-	if (flags & EVHTTP_PROXY_REQUEST) {
-		/* proxy connection */
-		const char *connection = evhttp_find_header(headers, "Proxy-Connection");
-		return (connection == NULL || strcasecmp(connection, "keep-alive") != 0);
-	} else {
-		const char *connection = evhttp_find_header(headers, "Connection");
-		return (connection != NULL && strcasecmp(connection, "close") == 0);
-	}
-}
-
-static int
-evhttp_is_connection_keepalive(struct evkeyvalq* headers)
-{
-	const char *connection = evhttp_find_header(headers, "Connection");
-	return (connection != NULL 
-	    && strncasecmp(connection, "keep-alive", 10) == 0);
-}
-
-static void
-evhttp_maybe_add_date_header(struct evkeyvalq *headers)
-{
-	if (evhttp_find_header(headers, "Date") == NULL) {
-		char date[50];
-#ifndef WIN32
-		struct tm cur;
-#endif
-		struct tm *cur_p;
-		time_t t = time(NULL);
-#ifdef WIN32
-		cur_p = gmtime(&t);
-#else
-		gmtime_r(&t, &cur);
-		cur_p = &cur;
-#endif
-		if (strftime(date, sizeof(date),
-			"%a, %d %b %Y %H:%M:%S GMT", cur_p) != 0) {
-			evhttp_add_header(headers, "Date", date);
-		}
-	}
-}
-
-static void
-evhttp_maybe_add_content_length_header(struct evkeyvalq *headers,
-    long content_length)
-{
-	if (evhttp_find_header(headers, "Transfer-Encoding") == NULL &&
-	    evhttp_find_header(headers,	"Content-Length") == NULL) {
-		char len[12];
-		evutil_snprintf(len, sizeof(len), "%ld", content_length);
-		evhttp_add_header(headers, "Content-Length", len);
-	}
-}
-
-/*
- * Create the headers needed for an HTTP reply
- */
-
-static void
-evhttp_make_header_response(struct evhttp_connection *evcon,
-    struct evhttp_request *req)
-{
-	int is_keepalive = evhttp_is_connection_keepalive(req->input_headers);
-	evbuffer_add_printf(evcon->output_buffer, "HTTP/%d.%d %d %s\r\n",
-	    req->major, req->minor, req->response_code,
-	    req->response_code_line);
-
-	if (req->major == 1) {
-		if (req->minor == 1)
-			evhttp_maybe_add_date_header(req->output_headers);
-
-		/*
-		 * if the protocol is 1.0; and the connection was keep-alive
-		 * we need to add a keep-alive header, too.
-		 */
-		if (req->minor == 0 && is_keepalive)
-			evhttp_add_header(req->output_headers,
-			    "Connection", "keep-alive");
-
-		if (req->minor == 1 || is_keepalive) {
-			/* 
-			 * we need to add the content length if the
-			 * user did not give it, this is required for
-			 * persistent connections to work.
-			 */
-			evhttp_maybe_add_content_length_header(
-				req->output_headers,
-				(long)EVBUFFER_LENGTH(req->output_buffer));
-		}
-	}
-
-	/* Potentially add headers for unidentified content. */
-	if (EVBUFFER_LENGTH(req->output_buffer)) {
-		if (evhttp_find_header(req->output_headers,
-			"Content-Type") == NULL) {
-			evhttp_add_header(req->output_headers,
-			    "Content-Type", "text/html; charset=ISO-8859-1");
-		}
-	}
-
-	/* if the request asked for a close, we send a close, too */
-	if (evhttp_is_connection_close(req->flags, req->input_headers)) {
-		evhttp_remove_header(req->output_headers, "Connection");
-		if (!(req->flags & EVHTTP_PROXY_REQUEST))
-		    evhttp_add_header(req->output_headers, "Connection", "close");
-		evhttp_remove_header(req->output_headers, "Proxy-Connection");
-	}
-}
-
-void
-evhttp_make_header(struct evhttp_connection *evcon, struct evhttp_request *req)
-{
-	struct evkeyval *header;
-
-	/*
-	 * Depending if this is a HTTP request or response, we might need to
-	 * add some new headers or remove existing headers.
-	 */
-	if (req->kind == EVHTTP_REQUEST) {
-		evhttp_make_header_request(evcon, req);
-	} else {
-		evhttp_make_header_response(evcon, req);
-	}
-
-	TAILQ_FOREACH(header, req->output_headers, next) {
-		evbuffer_add_printf(evcon->output_buffer, "%s: %s\r\n",
-		    header->key, header->value);
-	}
-	evbuffer_add(evcon->output_buffer, "\r\n", 2);
-
-	if (EVBUFFER_LENGTH(req->output_buffer) > 0) {
-		/*
-		 * For a request, we add the POST data, for a reply, this
-		 * is the regular data.
-		 */
-		evbuffer_add_buffer(evcon->output_buffer, req->output_buffer);
-	}
-}
-
-/* Separated host, port and file from URI */
-
-int
-evhttp_hostportfile(char *url, char **phost, u_short *pport, char **pfile)
-{
-	/* XXX not threadsafe. */
-	static char host[1024];
-	static char file[1024];
-	char *p;
-	const char *p2;
-	int len;
-	u_short port;
-
-	len = strlen(HTTP_PREFIX);
-	if (strncasecmp(url, HTTP_PREFIX, len))
-		return (-1);
-
-	url += len;
-
-	/* We might overrun */
-	if (strlcpy(host, url, sizeof (host)) >= sizeof(host))
-		return (-1);
-
-	p = strchr(host, '/');
-	if (p != NULL) {
-		*p = '\0';
-		p2 = p + 1;
-	} else
-		p2 = NULL;
-
-	if (pfile != NULL) {
-		/* Generate request file */
-		if (p2 == NULL)
-			p2 = "";
-		evutil_snprintf(file, sizeof(file), "/%s", p2);
-	}
-
-	p = strchr(host, ':');
-	if (p != NULL) {
-		*p = '\0';
-		port = atoi(p + 1);
-
-		if (port == 0)
-			return (-1);
-	} else
-		port = HTTP_DEFAULTPORT;
-
-	if (phost != NULL)
-		*phost = host;
-	if (pport != NULL)
-		*pport = port;
-	if (pfile != NULL)
-		*pfile = file;
-
-	return (0);
-}
-
-static int
-evhttp_connection_incoming_fail(struct evhttp_request *req,
-    enum evhttp_connection_error error)
-{
-	switch (error) {
-	case EVCON_HTTP_TIMEOUT:
-	case EVCON_HTTP_EOF:
-		/* 
-		 * these are cases in which we probably should just
-		 * close the connection and not send a reply.  this
-		 * case may happen when a browser keeps a persistent
-		 * connection open and we timeout on the read.
-		 */
-		return (-1);
-	case EVCON_HTTP_INVALID_HEADER:
-	default:	/* xxx: probably should just error on default */
-		/* the callback looks at the uri to determine errors */
-		if (req->uri) {
-			free(req->uri);
-			req->uri = NULL;
-		}
-
-		/* 
-		 * the callback needs to send a reply, once the reply has
-		 * been send, the connection should get freed.
-		 */
-		(*req->cb)(req, req->cb_arg);
-	}
-	
-	return (0);
-}
-
-void
-evhttp_connection_fail(struct evhttp_connection *evcon,
-    enum evhttp_connection_error error)
-{
-	struct evhttp_request* req = TAILQ_FIRST(&evcon->requests);
-	void (*cb)(struct evhttp_request *, void *);
-	void *cb_arg;
-	assert(req != NULL);
-	
-	if (evcon->flags & EVHTTP_CON_INCOMING) {
-		/* 
-		 * for incoming requests, there are two different
-		 * failure cases.  it's either a network level error
-		 * or an http layer error. for problems on the network
-		 * layer like timeouts we just drop the connections.
-		 * For HTTP problems, we might have to send back a
-		 * reply before the connection can be freed.
-		 */
-		if (evhttp_connection_incoming_fail(req, error) == -1)
-			evhttp_connection_free(evcon);
-		return;
-	}
-
-	/* save the callback for later; the cb might free our object */
-	cb = req->cb;
-	cb_arg = req->cb_arg;
-
-	TAILQ_REMOVE(&evcon->requests, req, next);
-	evhttp_request_free(req);
-
-	/* xxx: maybe we should fail all requests??? */
-
-	/* reset the connection */
-	evhttp_connection_reset(evcon);
-	
-	/* We are trying the next request that was queued on us */
-	if (TAILQ_FIRST(&evcon->requests) != NULL)
-		evhttp_connection_connect(evcon);
-
-	/* inform the user */
-	if (cb != NULL)
-		(*cb)(NULL, cb_arg);
-}
-
-void
-evhttp_write(int fd, short what, void *arg)
-{
-	struct evhttp_connection *evcon = arg;
-	int n;
-
-	if (what == EV_TIMEOUT) {
-		evhttp_connection_fail(evcon, EVCON_HTTP_TIMEOUT);
-		return;
-	}
-
-	n = evbuffer_write(evcon->output_buffer, fd);
-	if (n == -1) {
-		event_debug(("%s: evbuffer_write", __func__));
-		evhttp_connection_fail(evcon, EVCON_HTTP_EOF);
-		return;
-	}
-
-	if (n == 0) {
-		event_debug(("%s: write nothing", __func__));
-		evhttp_connection_fail(evcon, EVCON_HTTP_EOF);
-		return;
-	}
-
-	if (EVBUFFER_LENGTH(evcon->output_buffer) != 0) {
-		evhttp_add_event(&evcon->ev, 
-		    evcon->timeout, HTTP_WRITE_TIMEOUT);
-		return;
-	}
-
-	/* Activate our call back */
-	if (evcon->cb != NULL)
-		(*evcon->cb)(evcon, evcon->cb_arg);
-}
-
-/**
- * Advance the connection state.
- * - If this is an outgoing connection, we've just processed the response;
- *   idle or close the connection.
- * - If this is an incoming connection, we've just processed the request;
- *   respond.
- */
-static void
-evhttp_connection_done(struct evhttp_connection *evcon)
-{
-	struct evhttp_request *req = TAILQ_FIRST(&evcon->requests);
-	int con_outgoing = evcon->flags & EVHTTP_CON_OUTGOING;
-
-	if (con_outgoing) {
-		/* idle or close the connection */
-	        int need_close;
-		TAILQ_REMOVE(&evcon->requests, req, next);
-		req->evcon = NULL;
-
-		evcon->state = EVCON_IDLE;
-
-		need_close = 
-		    evhttp_is_connection_close(req->flags, req->input_headers)||
-		    evhttp_is_connection_close(req->flags, req->output_headers);
-
-		/* check if we got asked to close the connection */
-		if (need_close)
-			evhttp_connection_reset(evcon);
-
-		if (TAILQ_FIRST(&evcon->requests) != NULL) {
-			/*
-			 * We have more requests; reset the connection
-			 * and deal with the next request.
-			 */
-			if (!evhttp_connected(evcon))
-				evhttp_connection_connect(evcon);
-			else
-				evhttp_request_dispatch(evcon);
-		} else if (!need_close) {
-			/*
-			 * The connection is going to be persistent, but we
-			 * need to detect if the other side closes it.
-			 */
-			evhttp_connection_start_detectclose(evcon);
-		}
-	} else {
-		/*
-		 * incoming connection - we need to leave the request on the
-		 * connection so that we can reply to it.
-		 */
-		evcon->state = EVCON_WRITING;
-	}
-
-	/* notify the user of the request */
-	(*req->cb)(req, req->cb_arg);
-
-	/* if this was an outgoing request, we own and it's done. so free it */
-	if (con_outgoing) {
-		evhttp_request_free(req);
-	}
-}
-
-/*
- * Handles reading from a chunked request.
- *   return ALL_DATA_READ:
- *     all data has been read
- *   return MORE_DATA_EXPECTED:
- *     more data is expected
- *   return DATA_CORRUPTED:
- *     data is corrupted
- *   return REQUEST_CANCLED:
- *     request was canceled by the user calling evhttp_cancel_request
- */
-
-static enum message_read_status
-evhttp_handle_chunked_read(struct evhttp_request *req, struct evbuffer *buf)
-{
-	int len;
-
-	while ((len = EVBUFFER_LENGTH(buf)) > 0) {
-		if (req->ntoread < 0) {
-			/* Read chunk size */
-			ev_int64_t ntoread;
-			char *p = evbuffer_readline(buf);
-			char *endp;
-			int error;
-			if (p == NULL)
-				break;
-			/* the last chunk is on a new line? */
-			if (strlen(p) == 0) {
-				free(p);
-				continue;
-			}
-			ntoread = evutil_strtoll(p, &endp, 16);
-			error = (*p == '\0' ||
-			    (*endp != '\0' && *endp != ' ') ||
-			    ntoread < 0);
-			free(p);
-			if (error) {
-				/* could not get chunk size */
-				return (DATA_CORRUPTED);
-			}
-			req->ntoread = ntoread;
-			if (req->ntoread == 0) {
-				/* Last chunk */
-				return (ALL_DATA_READ);
-			}
-			continue;
-		}
-
-		/* don't have enough to complete a chunk; wait for more */
-		if (len < req->ntoread)
-			return (MORE_DATA_EXPECTED);
-
-		/* Completed chunk */
-		evbuffer_add(req->input_buffer,
-		    EVBUFFER_DATA(buf), (size_t)req->ntoread);
-		evbuffer_drain(buf, (size_t)req->ntoread);
-		req->ntoread = -1;
-		if (req->chunk_cb != NULL) {
-			(*req->chunk_cb)(req, req->cb_arg);
-			evbuffer_drain(req->input_buffer,
-			    EVBUFFER_LENGTH(req->input_buffer));
-		}
-	}
-
-	return (MORE_DATA_EXPECTED);
-}
-
-static void
-evhttp_read_trailer(struct evhttp_connection *evcon, struct evhttp_request *req)
-{
-	struct evbuffer *buf = evcon->input_buffer;
-
-	switch (evhttp_parse_headers(req, buf)) {
-	case DATA_CORRUPTED:
-		evhttp_connection_fail(evcon, EVCON_HTTP_INVALID_HEADER);
-		break;
-	case ALL_DATA_READ:
-		event_del(&evcon->ev);
-		evhttp_connection_done(evcon);
-		break;
-	case MORE_DATA_EXPECTED:
-	default:
-		evhttp_add_event(&evcon->ev, evcon->timeout,
-		    HTTP_READ_TIMEOUT);
-		break;
-	}
-}
-
-static void
-evhttp_read_body(struct evhttp_connection *evcon, struct evhttp_request *req)
-{
-	struct evbuffer *buf = evcon->input_buffer;
-	
-	if (req->chunked) {
-		switch (evhttp_handle_chunked_read(req, buf)) {
-		case ALL_DATA_READ:
-			/* finished last chunk */
-			evcon->state = EVCON_READING_TRAILER;
-			evhttp_read_trailer(evcon, req);
-			return;
-		case DATA_CORRUPTED:
-			/* corrupted data */
-			evhttp_connection_fail(evcon,
-			    EVCON_HTTP_INVALID_HEADER);
-			return;
-		case REQUEST_CANCELED:
-			/* request canceled */
-			evhttp_request_free(req);
-			return;
-		case MORE_DATA_EXPECTED:
-		default:
-			break;
-		}
-	} else if (req->ntoread < 0) {
-		/* Read until connection close. */
-		evbuffer_add_buffer(req->input_buffer, buf);
-	} else if (EVBUFFER_LENGTH(buf) >= req->ntoread) {
-		/* Completed content length */
-		evbuffer_add(req->input_buffer, EVBUFFER_DATA(buf),
-		    (size_t)req->ntoread);
-		evbuffer_drain(buf, (size_t)req->ntoread);
-		req->ntoread = 0;
-		evhttp_connection_done(evcon);
-		return;
-	}
-	/* Read more! */
-	event_set(&evcon->ev, evcon->fd, EV_READ, evhttp_read, evcon);
-	EVHTTP_BASE_SET(evcon, &evcon->ev);
-	evhttp_add_event(&evcon->ev, evcon->timeout, HTTP_READ_TIMEOUT);
-}
-
-/*
- * Reads data into a buffer structure until no more data
- * can be read on the file descriptor or we have read all
- * the data that we wanted to read.
- * Execute callback when done.
- */
-
-void
-evhttp_read(int fd, short what, void *arg)
-{
-	struct evhttp_connection *evcon = arg;
-	struct evhttp_request *req = TAILQ_FIRST(&evcon->requests);
-	struct evbuffer *buf = evcon->input_buffer;
-	int n, len;
-
-	if (what == EV_TIMEOUT) {
-		evhttp_connection_fail(evcon, EVCON_HTTP_TIMEOUT);
-		return;
-	}
-	n = evbuffer_read(buf, fd, -1);
-	len = EVBUFFER_LENGTH(buf);
-	event_debug(("%s: got %d on %d\n", __func__, n, fd));
-	
-	if (n == -1) {
-		if (errno != EINTR && errno != EAGAIN) {
-			event_debug(("%s: evbuffer_read", __func__));
-			evhttp_connection_fail(evcon, EVCON_HTTP_EOF);
-		} else {
-			evhttp_add_event(&evcon->ev, evcon->timeout,
-			    HTTP_READ_TIMEOUT);	       
-		}
-		return;
-	} else if (n == 0) {
-		/* Connection closed */
-		evhttp_connection_done(evcon);
-		return;
-	}
-
-	switch (evcon->state) {
-	case EVCON_READING_FIRSTLINE:
-		evhttp_read_firstline(evcon, req);
-		break;
-	case EVCON_READING_HEADERS:
-		evhttp_read_header(evcon, req);
-		break;
-	case EVCON_READING_BODY:
-		evhttp_read_body(evcon, req);
-		break;
-	case EVCON_READING_TRAILER:
-		evhttp_read_trailer(evcon, req);
-		break;
-	case EVCON_DISCONNECTED:
-	case EVCON_CONNECTING:
-	case EVCON_IDLE:
-	case EVCON_WRITING:
-	default:
-		event_errx(1, "%s: illegal connection state %d",
-			   __func__, evcon->state);
-	}
-}
-
-static void
-evhttp_write_connectioncb(struct evhttp_connection *evcon, void *arg)
-{
-	/* This is after writing the request to the server */
-	struct evhttp_request *req = TAILQ_FIRST(&evcon->requests);
-	assert(req != NULL);
-
-	assert(evcon->state == EVCON_WRITING);
-
-	/* We are done writing our header and are now expecting the response */
-	req->kind = EVHTTP_RESPONSE;
-
-	evhttp_start_read(evcon);
-}
-
-/*
- * Clean up a connection object
- */
-
-void
-evhttp_connection_free(struct evhttp_connection *evcon)
-{
-	struct evhttp_request *req;
-
-	/* notify interested parties that this connection is going down */
-	if (evcon->fd != -1) {
-		if (evhttp_connected(evcon) && evcon->closecb != NULL)
-			(*evcon->closecb)(evcon, evcon->closecb_arg);
-	}
-
-	/* remove all requests that might be queued on this connection */
-	while ((req = TAILQ_FIRST(&evcon->requests)) != NULL) {
-		TAILQ_REMOVE(&evcon->requests, req, next);
-		evhttp_request_free(req);
-	}
-
-	if (evcon->http_server != NULL) {
-		struct evhttp *http = evcon->http_server;
-		TAILQ_REMOVE(&http->connections, evcon, next);
-	}
-
-	if (event_initialized(&evcon->close_ev))
-		event_del(&evcon->close_ev);
-
-	if (event_initialized(&evcon->ev))
-		event_del(&evcon->ev);
-	
-	if (evcon->fd != -1)
-		EVUTIL_CLOSESOCKET(evcon->fd);
-
-	if (evcon->bind_address != NULL)
-		free(evcon->bind_address);
-
-	if (evcon->address != NULL)
-		free(evcon->address);
-
-	if (evcon->input_buffer != NULL)
-		evbuffer_free(evcon->input_buffer);
-
-	if (evcon->output_buffer != NULL)
-		evbuffer_free(evcon->output_buffer);
-
-	free(evcon);
-}
-
-void
-evhttp_connection_set_local_address(struct evhttp_connection *evcon,
-    const char *address)
-{
-	assert(evcon->state == EVCON_DISCONNECTED);
-	if (evcon->bind_address)
-		free(evcon->bind_address);
-	if ((evcon->bind_address = strdup(address)) == NULL)
-		event_err(1, "%s: strdup", __func__);
-}
-
-void
-evhttp_connection_set_local_port(struct evhttp_connection *evcon,
-    unsigned short port)
-{
-	assert(evcon->state == EVCON_DISCONNECTED);
-	evcon->bind_port = port;
-}
-
-static void
-evhttp_request_dispatch(struct evhttp_connection* evcon)
-{
-	struct evhttp_request *req = TAILQ_FIRST(&evcon->requests);
-	
-	/* this should not usually happy but it's possible */
-	if (req == NULL)
-		return;
-
-	/* delete possible close detection events */
-	evhttp_connection_stop_detectclose(evcon);
-	
-	/* we assume that the connection is connected already */
-	assert(evcon->state == EVCON_IDLE);
-
-	evcon->state = EVCON_WRITING;
-
-	/* Create the header from the store arguments */
-	evhttp_make_header(evcon, req);
-
-	evhttp_write_buffer(evcon, evhttp_write_connectioncb, NULL);
-}
-
-/* Reset our connection state */
-void
-evhttp_connection_reset(struct evhttp_connection *evcon)
-{
-	if (event_initialized(&evcon->ev))
-		event_del(&evcon->ev);
-
-	if (evcon->fd != -1) {
-		/* inform interested parties about connection close */
-		if (evhttp_connected(evcon) && evcon->closecb != NULL)
-			(*evcon->closecb)(evcon, evcon->closecb_arg);
-
-		EVUTIL_CLOSESOCKET(evcon->fd);
-		evcon->fd = -1;
-	}
-	evcon->state = EVCON_DISCONNECTED;
-
-	evbuffer_drain(evcon->input_buffer,
-	    EVBUFFER_LENGTH(evcon->input_buffer));
-	evbuffer_drain(evcon->output_buffer,
-	    EVBUFFER_LENGTH(evcon->output_buffer));
-}
-
-static void
-evhttp_detect_close_cb(int fd, short what, void *arg)
-{
-	struct evhttp_connection *evcon = arg;
-	evhttp_connection_reset(evcon);
-}
-
-static void
-evhttp_connection_start_detectclose(struct evhttp_connection *evcon)
-{
-	evcon->flags |= EVHTTP_CON_CLOSEDETECT;
-
-	if (event_initialized(&evcon->close_ev))
-		event_del(&evcon->close_ev);
-	event_set(&evcon->close_ev, evcon->fd, EV_READ,
-	    evhttp_detect_close_cb, evcon);
-	EVHTTP_BASE_SET(evcon, &evcon->close_ev);
-	event_add(&evcon->close_ev, NULL);
-}
-
-static void
-evhttp_connection_stop_detectclose(struct evhttp_connection *evcon)
-{
-	evcon->flags &= ~EVHTTP_CON_CLOSEDETECT;
-	event_del(&evcon->close_ev);
-}
-
-static void
-evhttp_connection_retry(int fd, short what, void *arg)
-{
-	struct evhttp_connection *evcon = arg;
-
-	evcon->state = EVCON_DISCONNECTED;
-	evhttp_connection_connect(evcon);
-}
-
-/*
- * Call back for asynchronous connection attempt.
- */
-
-static void
-evhttp_connectioncb(int fd, short what, void *arg)
-{
-	struct evhttp_connection *evcon = arg;
-	int error;
-	socklen_t errsz = sizeof(error);
-		
-	if (what == EV_TIMEOUT) {
-		event_debug(("%s: connection timeout for \"%s:%d\" on %d",
-			__func__, evcon->address, evcon->port, evcon->fd));
-		goto cleanup;
-	}
-
-	/* Check if the connection completed */
-	if (getsockopt(evcon->fd, SOL_SOCKET, SO_ERROR, (void*)&error,
-		       &errsz) == -1) {
-		event_debug(("%s: getsockopt for \"%s:%d\" on %d",
-			__func__, evcon->address, evcon->port, evcon->fd));
-		goto cleanup;
-	}
-
-	if (error) {
-		event_debug(("%s: connect failed for \"%s:%d\" on %d: %s",
-		    __func__, evcon->address, evcon->port, evcon->fd,
-			strerror(error)));
-		goto cleanup;
-	}
-
-	/* We are connected to the server now */
-	event_debug(("%s: connected to \"%s:%d\" on %d\n",
-			__func__, evcon->address, evcon->port, evcon->fd));
-
-	/* Reset the retry count as we were successful in connecting */
-	evcon->retry_cnt = 0;
-	evcon->state = EVCON_IDLE;
-
-	/* try to start requests that have queued up on this connection */
-	evhttp_request_dispatch(evcon);
-	return;
-
- cleanup:
-	if (evcon->retry_max < 0 || evcon->retry_cnt < evcon->retry_max) {
-		evtimer_set(&evcon->ev, evhttp_connection_retry, evcon);
-		EVHTTP_BASE_SET(evcon, &evcon->ev);
-		evhttp_add_event(&evcon->ev, MIN(3600, 2 << evcon->retry_cnt),
-		    HTTP_CONNECT_TIMEOUT);
-		evcon->retry_cnt++;
-		return;
-	}
-	evhttp_connection_reset(evcon);
-
-	/* for now, we just signal all requests by executing their callbacks */
-	while (TAILQ_FIRST(&evcon->requests) != NULL) {
-		struct evhttp_request *request = TAILQ_FIRST(&evcon->requests);
-		TAILQ_REMOVE(&evcon->requests, request, next);
-		request->evcon = NULL;
-
-		/* we might want to set an error here */
-		request->cb(request, request->cb_arg);
-		evhttp_request_free(request);
-	}
-}
-
-/*
- * Check if we got a valid response code.
- */
-
-static int
-evhttp_valid_response_code(int code)
-{
-	if (code == 0)
-		return (0);
-
-	return (1);
-}
-
-/* Parses the status line of a web server */
-
-static int
-evhttp_parse_response_line(struct evhttp_request *req, char *line)
-{
-	char *protocol;
-	char *number;
-	char *readable;
-
-	protocol = strsep(&line, " ");
-	if (line == NULL)
-		return (-1);
-	number = strsep(&line, " ");
-	if (line == NULL)
-		return (-1);
-	readable = line;
-
-	if (strcmp(protocol, "HTTP/1.0") == 0) {
-		req->major = 1;
-		req->minor = 0;
-	} else if (strcmp(protocol, "HTTP/1.1") == 0) {
-		req->major = 1;
-		req->minor = 1;
-	} else {
-		event_debug(("%s: bad protocol \"%s\"",
-			__func__, protocol));
-		return (-1);
-	}
-
-	req->response_code = atoi(number);
-	if (!evhttp_valid_response_code(req->response_code)) {
-		event_debug(("%s: bad response code \"%s\"",
-			__func__, number));
-		return (-1);
-	}
-
-	if ((req->response_code_line = strdup(readable)) == NULL)
-		event_err(1, "%s: strdup", __func__);
-
-	return (0);
-}
-
-/* Parse the first line of a HTTP request */
-
-static int
-evhttp_parse_request_line(struct evhttp_request *req, char *line)
-{
-	char *method;
-	char *uri;
-	char *version;
-
-	/* Parse the request line */
-	method = strsep(&line, " ");
-	if (line == NULL)
-		return (-1);
-	uri = strsep(&line, " ");
-	if (line == NULL)
-		return (-1);
-	version = strsep(&line, " ");
-	if (line != NULL)
-		return (-1);
-
-	/* First line */
-	if (strcmp(method, "GET") == 0) {
-		req->type = EVHTTP_REQ_GET;
-	} else if (strcmp(method, "POST") == 0) {
-		req->type = EVHTTP_REQ_POST;
-	} else if (strcmp(method, "HEAD") == 0) {
-		req->type = EVHTTP_REQ_HEAD;
-	} else {
-		event_debug(("%s: bad method %s on request %p from %s",
-			__func__, method, req, req->remote_host));
-		return (-1);
-	}
-
-	if (strcmp(version, "HTTP/1.0") == 0) {
-		req->major = 1;
-		req->minor = 0;
-	} else if (strcmp(version, "HTTP/1.1") == 0) {
-		req->major = 1;
-		req->minor = 1;
-	} else {
-		event_debug(("%s: bad version %s on request %p from %s",
-			__func__, version, req, req->remote_host));
-		return (-1);
-	}
-
-	if ((req->uri = strdup(uri)) == NULL) {
-		event_debug(("%s: evhttp_decode_uri", __func__));
-		return (-1);
-	}
-
-	/* determine if it's a proxy request */
-	if (strlen(req->uri) > 0 && req->uri[0] != '/')
-		req->flags |= EVHTTP_PROXY_REQUEST;
-
-	return (0);
-}
-
-const char *
-evhttp_find_header(const struct evkeyvalq *headers, const char *key)
-{
-	struct evkeyval *header;
-
-	TAILQ_FOREACH(header, headers, next) {
-		if (strcasecmp(header->key, key) == 0)
-			return (header->value);
-	}
-
-	return (NULL);
-}
-
-void
-evhttp_clear_headers(struct evkeyvalq *headers)
-{
-	struct evkeyval *header;
-
-	for (header = TAILQ_FIRST(headers);
-	    header != NULL;
-	    header = TAILQ_FIRST(headers)) {
-		TAILQ_REMOVE(headers, header, next);
-		free(header->key);
-		free(header->value);
-		free(header);
-	}
-}
-
-/*
- * Returns 0,  if the header was successfully removed.
- * Returns -1, if the header could not be found.
- */
-
-int
-evhttp_remove_header(struct evkeyvalq *headers, const char *key)
-{
-	struct evkeyval *header;
-
-	TAILQ_FOREACH(header, headers, next) {
-		if (strcasecmp(header->key, key) == 0)
-			break;
-	}
-
-	if (header == NULL)
-		return (-1);
-
-	/* Free and remove the header that we found */
-	TAILQ_REMOVE(headers, header, next);
-	free(header->key);
-	free(header->value);
-	free(header);
-
-	return (0);
-}
-
-static int
-evhttp_header_is_valid_value(const char *value)
-{
-	const char *p = value;
-
-	while ((p = strpbrk(p, "\r\n")) != NULL) {
-		/* we really expect only one new line */
-		p += strspn(p, "\r\n");
-		/* we expect a space or tab for continuation */
-		if (*p != ' ' && *p != '\t')
-			return (0);
-	}
-	return (1);
-}
-
-int
-evhttp_add_header(struct evkeyvalq *headers,
-    const char *key, const char *value)
-{
-	event_debug(("%s: key: %s val: %s\n", __func__, key, value));
-
-	if (strchr(key, '\r') != NULL || strchr(key, '\n') != NULL) {
-		/* drop illegal headers */
-		event_debug(("%s: dropping illegal header key\n", __func__));
-		return (-1);
-	}
-	
-	if (!evhttp_header_is_valid_value(value)) {
-		event_debug(("%s: dropping illegal header value\n", __func__));
-		return (-1);
-	}
-
-	return (evhttp_add_header_internal(headers, key, value));
-}
-
-static int
-evhttp_add_header_internal(struct evkeyvalq *headers,
-    const char *key, const char *value)
-{
-	struct evkeyval *header = calloc(1, sizeof(struct evkeyval));
-	if (header == NULL) {
-		event_warn("%s: calloc", __func__);
-		return (-1);
-	}
-	if ((header->key = strdup(key)) == NULL) {
-		free(header);
-		event_warn("%s: strdup", __func__);
-		return (-1);
-	}
-	if ((header->value = strdup(value)) == NULL) {
-		free(header->key);
-		free(header);
-		event_warn("%s: strdup", __func__);
-		return (-1);
-	}
-
-	TAILQ_INSERT_TAIL(headers, header, next);
-
-	return (0);
-}
-
-/*
- * Parses header lines from a request or a response into the specified
- * request object given an event buffer.
- *
- * Returns
- *   DATA_CORRUPTED      on error
- *   MORE_DATA_EXPECTED  when we need to read more headers
- *   ALL_DATA_READ       when all headers have been read.
- */
-
-enum message_read_status
-evhttp_parse_firstline(struct evhttp_request *req, struct evbuffer *buffer)
-{
-	char *line;
-	enum message_read_status status = ALL_DATA_READ;
-
-	line = evbuffer_readline(buffer);
-	if (line == NULL)
-		return (MORE_DATA_EXPECTED);
-
-	switch (req->kind) {
-	case EVHTTP_REQUEST:
-		if (evhttp_parse_request_line(req, line) == -1)
-			status = DATA_CORRUPTED;
-		break;
-	case EVHTTP_RESPONSE:
-		if (evhttp_parse_response_line(req, line) == -1)
-			status = DATA_CORRUPTED;
-		break;
-	default:
-		status = DATA_CORRUPTED;
-	}
-
-	free(line);
-	return (status);
-}
-
-static int
-evhttp_append_to_last_header(struct evkeyvalq *headers, const char *line)
-{
-	struct evkeyval *header = TAILQ_LAST(headers, evkeyvalq);
-	char *newval;
-	size_t old_len, line_len;
-
-	if (header == NULL)
-		return (-1);
-
-	old_len = strlen(header->value);
-	line_len = strlen(line);
-
-	newval = realloc(header->value, old_len + line_len + 1);
-	if (newval == NULL)
-		return (-1);
-
-	memcpy(newval + old_len, line, line_len + 1);
-	header->value = newval;
-
-	return (0);
-}
-
-enum message_read_status
-evhttp_parse_headers(struct evhttp_request *req, struct evbuffer* buffer)
-{
-	char *line;
-	enum message_read_status status = MORE_DATA_EXPECTED;
-
-	struct evkeyvalq* headers = req->input_headers;
-	while ((line = evbuffer_readline(buffer))
-	       != NULL) {
-		char *skey, *svalue;
-
-		if (*line == '\0') { /* Last header - Done */
-			status = ALL_DATA_READ;
-			free(line);
-			break;
-		}
-
-		/* Check if this is a continuation line */
-		if (*line == ' ' || *line == '\t') {
-			if (evhttp_append_to_last_header(headers, line) == -1)
-				goto error;
-			free(line);
-			continue;
-		}
-
-		/* Processing of header lines */
-		svalue = line;
-		skey = strsep(&svalue, ":");
-		if (svalue == NULL)
-			goto error;
-
-		svalue += strspn(svalue, " ");
-
-		if (evhttp_add_header(headers, skey, svalue) == -1)
-			goto error;
-
-		free(line);
-	}
-
-	return (status);
-
- error:
-	free(line);
-	return (DATA_CORRUPTED);
-}
-
-static int
-evhttp_get_body_length(struct evhttp_request *req)
-{
-	struct evkeyvalq *headers = req->input_headers;
-	const char *content_length;
-	const char *connection;
-
-	content_length = evhttp_find_header(headers, "Content-Length");
-	connection = evhttp_find_header(headers, "Connection");
-		
-	if (content_length == NULL && connection == NULL)
-		req->ntoread = -1;
-	else if (content_length == NULL &&
-	    strcasecmp(connection, "Close") != 0) {
-		/* Bad combination, we don't know when it will end */
-		event_warnx("%s: we got no content length, but the "
-		    "server wants to keep the connection open: %s.",
-		    __func__, connection);
-		return (-1);
-	} else if (content_length == NULL) {
-		req->ntoread = -1;
-	} else {
-		char *endp;
-		ev_int64_t ntoread = evutil_strtoll(content_length, &endp, 10);
-		if (*content_length == '\0' || *endp != '\0' || ntoread < 0) {
-			event_debug(("%s: illegal content length: %s",
-				__func__, content_length));
-			return (-1);
-		}
-		req->ntoread = ntoread;
-	}
-		
-	event_debug(("%s: bytes to read: %lld (in buffer %ld)\n",
-		__func__, req->ntoread,
-		EVBUFFER_LENGTH(req->evcon->input_buffer)));
-
-	return (0);
-}
-
-static void
-evhttp_get_body(struct evhttp_connection *evcon, struct evhttp_request *req)
-{
-	const char *xfer_enc;
-	
-	/* If this is a request without a body, then we are done */
-	if (req->kind == EVHTTP_REQUEST && req->type != EVHTTP_REQ_POST) {
-		evhttp_connection_done(evcon);
-		return;
-	}
-	evcon->state = EVCON_READING_BODY;
-	xfer_enc = evhttp_find_header(req->input_headers, "Transfer-Encoding");
-	if (xfer_enc != NULL && strcasecmp(xfer_enc, "chunked") == 0) {
-		req->chunked = 1;
-		req->ntoread = -1;
-	} else {
-		if (evhttp_get_body_length(req) == -1) {
-			evhttp_connection_fail(evcon,
-			    EVCON_HTTP_INVALID_HEADER);
-			return;
-		}
-	}
-	evhttp_read_body(evcon, req);
-}
-
-static void
-evhttp_read_firstline(struct evhttp_connection *evcon,
-		      struct evhttp_request *req)
-{
-	enum message_read_status res;
-
-	res = evhttp_parse_firstline(req, evcon->input_buffer);
-	if (res == DATA_CORRUPTED) {
-		/* Error while reading, terminate */
-		event_debug(("%s: bad header lines on %d\n",
-			__func__, evcon->fd));
-		evhttp_connection_fail(evcon, EVCON_HTTP_INVALID_HEADER);
-		return;
-	} else if (res == MORE_DATA_EXPECTED) {
-		/* Need more header lines */
-		evhttp_add_event(&evcon->ev, 
-                    evcon->timeout, HTTP_READ_TIMEOUT);
-		return;
-	}
-
-	evcon->state = EVCON_READING_HEADERS;
-	evhttp_read_header(evcon, req);
-}
-
-static void
-evhttp_read_header(struct evhttp_connection *evcon, struct evhttp_request *req)
-{
-	enum message_read_status res;
-	int fd = evcon->fd;
-
-	res = evhttp_parse_headers(req, evcon->input_buffer);
-	if (res == DATA_CORRUPTED) {
-		/* Error while reading, terminate */
-		event_debug(("%s: bad header lines on %d\n", __func__, fd));
-		evhttp_connection_fail(evcon, EVCON_HTTP_INVALID_HEADER);
-		return;
-	} else if (res == MORE_DATA_EXPECTED) {
-		/* Need more header lines */
-		evhttp_add_event(&evcon->ev, 
-		    evcon->timeout, HTTP_READ_TIMEOUT);
-		return;
-	}
-
-	/* Done reading headers, do the real work */
-	switch (req->kind) {
-	case EVHTTP_REQUEST:
-		event_debug(("%s: checking for post data on %d\n",
-				__func__, fd));
-		evhttp_get_body(evcon, req);
-		break;
-
-	case EVHTTP_RESPONSE:
-		if (req->response_code == HTTP_NOCONTENT ||
-		    req->response_code == HTTP_NOTMODIFIED ||
-		    (req->response_code >= 100 && req->response_code < 200)) {
-			event_debug(("%s: skipping body for code %d\n",
-					__func__, req->response_code));
-			evhttp_connection_done(evcon);
-		} else {
-			event_debug(("%s: start of read body for %s on %d\n",
-				__func__, req->remote_host, fd));
-			evhttp_get_body(evcon, req);
-		}
-		break;
-
-	default:
-		event_warnx("%s: bad header on %d", __func__, fd);
-		evhttp_connection_fail(evcon, EVCON_HTTP_INVALID_HEADER);
-		break;
-	}
-}
-
-/*
- * Creates a TCP connection to the specified port and executes a callback
- * when finished.  Failure or sucess is indicate by the passed connection
- * object.
- *
- * Although this interface accepts a hostname, it is intended to take
- * only numeric hostnames so that non-blocking DNS resolution can
- * happen elsewhere.
- */
-
-struct evhttp_connection *
-evhttp_connection_new(const char *address, unsigned short port)
-{
-	struct evhttp_connection *evcon = NULL;
-	
-	event_debug(("Attempting connection to %s:%d\n", address, port));
-
-	if ((evcon = calloc(1, sizeof(struct evhttp_connection))) == NULL) {
-		event_warn("%s: calloc failed", __func__);
-		goto error;
-	}
-
-	evcon->fd = -1;
-	evcon->port = port;
-
-	evcon->timeout = -1;
-	evcon->retry_cnt = evcon->retry_max = 0;
-
-	if ((evcon->address = strdup(address)) == NULL) {
-		event_warn("%s: strdup failed", __func__);
-		goto error;
-	}
-
-	if ((evcon->input_buffer = evbuffer_new()) == NULL) {
-		event_warn("%s: evbuffer_new failed", __func__);
-		goto error;
-	}
-
-	if ((evcon->output_buffer = evbuffer_new()) == NULL) {
-		event_warn("%s: evbuffer_new failed", __func__);
-		goto error;
-	}
-	
-	evcon->state = EVCON_DISCONNECTED;
-	TAILQ_INIT(&evcon->requests);
-
-	return (evcon);
-	
- error:
-	if (evcon != NULL)
-		evhttp_connection_free(evcon);
-	return (NULL);
-}
-
-void evhttp_connection_set_base(struct evhttp_connection *evcon,
-    struct event_base *base)
-{
-	assert(evcon->base == NULL);
-	assert(evcon->state == EVCON_DISCONNECTED);
-	evcon->base = base;
-}
-
-void
-evhttp_connection_set_timeout(struct evhttp_connection *evcon,
-    int timeout_in_secs)
-{
-	evcon->timeout = timeout_in_secs;
-}
-
-void
-evhttp_connection_set_retries(struct evhttp_connection *evcon,
-    int retry_max)
-{
-	evcon->retry_max = retry_max;
-}
-
-void
-evhttp_connection_set_closecb(struct evhttp_connection *evcon,
-    void (*cb)(struct evhttp_connection *, void *), void *cbarg)
-{
-	evcon->closecb = cb;
-	evcon->closecb_arg = cbarg;
-}
-
-void
-evhttp_connection_get_peer(struct evhttp_connection *evcon,
-    char **address, u_short *port)
-{
-	*address = evcon->address;
-	*port = evcon->port;
-}
-
-int
-evhttp_connection_connect(struct evhttp_connection *evcon)
-{
-	if (evcon->state == EVCON_CONNECTING)
-		return (0);
-	
-	evhttp_connection_reset(evcon);
-
-	assert(!(evcon->flags & EVHTTP_CON_INCOMING));
-	evcon->flags |= EVHTTP_CON_OUTGOING;
-	
-	evcon->fd = bind_socket(
-		evcon->bind_address, evcon->bind_port, 0 /*reuse*/);
-	if (evcon->fd == -1) {
-		event_debug(("%s: failed to bind to \"%s\"",
-			__func__, evcon->bind_address));
-		return (-1);
-	}
-
-	if (socket_connect(evcon->fd, evcon->address, evcon->port) == -1) {
-		EVUTIL_CLOSESOCKET(evcon->fd); evcon->fd = -1;
-		return (-1);
-	}
-
-	/* Set up a callback for successful connection setup */
-	event_set(&evcon->ev, evcon->fd, EV_WRITE, evhttp_connectioncb, evcon);
-	EVHTTP_BASE_SET(evcon, &evcon->ev);
-	evhttp_add_event(&evcon->ev, evcon->timeout, HTTP_CONNECT_TIMEOUT);
-
-	evcon->state = EVCON_CONNECTING;
-	
-	return (0);
-}
-
-/*
- * Starts an HTTP request on the provided evhttp_connection object.
- * If the connection object is not connected to the web server already,
- * this will start the connection.
- */
-
-int
-evhttp_make_request(struct evhttp_connection *evcon,
-    struct evhttp_request *req,
-    enum evhttp_cmd_type type, const char *uri)
-{
-	/* We are making a request */
-	req->kind = EVHTTP_REQUEST;
-	req->type = type;
-	if (req->uri != NULL)
-		free(req->uri);
-	if ((req->uri = strdup(uri)) == NULL)
-		event_err(1, "%s: strdup", __func__);
-
-	/* Set the protocol version if it is not supplied */
-	if (!req->major && !req->minor) {
-		req->major = 1;
-		req->minor = 1;
-	}
-	
-	assert(req->evcon == NULL);
-	req->evcon = evcon;
-	assert(!(req->flags & EVHTTP_REQ_OWN_CONNECTION));
-	
-	TAILQ_INSERT_TAIL(&evcon->requests, req, next);
-
-	/* If the connection object is not connected; make it so */
-	if (!evhttp_connected(evcon))
-		return (evhttp_connection_connect(evcon));
-
-	/*
-	 * If it's connected already and we are the first in the queue,
-	 * then we can dispatch this request immediately.  Otherwise, it
-	 * will be dispatched once the pending requests are completed.
-	 */
-	if (TAILQ_FIRST(&evcon->requests) == req)
-		evhttp_request_dispatch(evcon);
-
-	return (0);
-}
-
-/*
- * Reads data from file descriptor into request structure
- * Request structure needs to be set up correctly.
- */
-
-void
-evhttp_start_read(struct evhttp_connection *evcon)
-{
-	/* Set up an event to read the headers */
-	if (event_initialized(&evcon->ev))
-		event_del(&evcon->ev);
-	event_set(&evcon->ev, evcon->fd, EV_READ, evhttp_read, evcon);
-	EVHTTP_BASE_SET(evcon, &evcon->ev);
-	
-	evhttp_add_event(&evcon->ev, evcon->timeout, HTTP_READ_TIMEOUT);
-	evcon->state = EVCON_READING_FIRSTLINE;
-}
-
-static void
-evhttp_send_done(struct evhttp_connection *evcon, void *arg)
-{
-	int need_close;
-	struct evhttp_request *req = TAILQ_FIRST(&evcon->requests);
-	TAILQ_REMOVE(&evcon->requests, req, next);
-
-	/* delete possible close detection events */
-	evhttp_connection_stop_detectclose(evcon);
-	
-	need_close =
-	    (req->minor == 0 &&
-		!evhttp_is_connection_keepalive(req->input_headers))||
-	    evhttp_is_connection_close(req->flags, req->input_headers) ||
-	    evhttp_is_connection_close(req->flags, req->output_headers);
-
-	assert(req->flags & EVHTTP_REQ_OWN_CONNECTION);
-	evhttp_request_free(req);
-
-	if (need_close) {
-		evhttp_connection_free(evcon);
-		return;
-	} 
-
-	/* we have a persistent connection; try to accept another request. */
-	if (evhttp_associate_new_request_with_connection(evcon) == -1)
-		evhttp_connection_free(evcon);
-}
-
-/*
- * Returns an error page.
- */
-
-void
-evhttp_send_error(struct evhttp_request *req, int error, const char *reason)
-{
-#define ERR_FORMAT "<HTML><HEAD>\n" \
-	    "<TITLE>%d %s</TITLE>\n" \
-	    "</HEAD><BODY>\n" \
-	    "<H1>Method Not Implemented</H1>\n" \
-	    "Invalid method in request<P>\n" \
-	    "</BODY></HTML>\n"
-
-	struct evbuffer *buf = evbuffer_new();
-
-	/* close the connection on error */
-	evhttp_add_header(req->output_headers, "Connection", "close");
-
-	evhttp_response_code(req, error, reason);
-
-	evbuffer_add_printf(buf, ERR_FORMAT, error, reason);
-
-	evhttp_send_page(req, buf);
-
-	evbuffer_free(buf);
-#undef ERR_FORMAT
-}
-
-/* Requires that headers and response code are already set up */
-
-static inline void
-evhttp_send(struct evhttp_request *req, struct evbuffer *databuf)
-{
-	struct evhttp_connection *evcon = req->evcon;
-
-	assert(TAILQ_FIRST(&evcon->requests) == req);
-
-	/* xxx: not sure if we really should expose the data buffer this way */
-	if (databuf != NULL)
-		evbuffer_add_buffer(req->output_buffer, databuf);
-	
-	/* Adds headers to the response */
-	evhttp_make_header(evcon, req);
-
-	evhttp_write_buffer(evcon, evhttp_send_done, NULL);
-}
-
-void
-evhttp_send_reply(struct evhttp_request *req, int code, const char *reason,
-    struct evbuffer *databuf)
-{
-	evhttp_response_code(req, code, reason);
-	
-	evhttp_send(req, databuf);
-}
-
-void
-evhttp_send_reply_start(struct evhttp_request *req, int code,
-    const char *reason)
-{
-	evhttp_response_code(req, code, reason);
-	if (req->major == 1 && req->minor == 1) {
-		/* use chunked encoding for HTTP/1.1 */
-		evhttp_add_header(req->output_headers, "Transfer-Encoding",
-		    "chunked");
-		req->chunked = 1;
-	}
-	evhttp_make_header(req->evcon, req);
-	evhttp_write_buffer(req->evcon, NULL, NULL);
-}
-
-void
-evhttp_send_reply_chunk(struct evhttp_request *req, struct evbuffer *databuf)
-{
-	if (req->chunked) {
-		evbuffer_add_printf(req->evcon->output_buffer, "%x\r\n",
-				    (unsigned)EVBUFFER_LENGTH(databuf));
-	}
-	evbuffer_add_buffer(req->evcon->output_buffer, databuf);
-	if (req->chunked) {
-		evbuffer_add(req->evcon->output_buffer, "\r\n", 2);
-	}
-	evhttp_write_buffer(req->evcon, NULL, NULL);
-}
-
-void
-evhttp_send_reply_end(struct evhttp_request *req)
-{
-	struct evhttp_connection *evcon = req->evcon;
-
-	if (req->chunked) {
-		evbuffer_add(req->evcon->output_buffer, "0\r\n\r\n", 5);
-		evhttp_write_buffer(req->evcon, evhttp_send_done, NULL);
-		req->chunked = 0;
-	} else if (!event_pending(&evcon->ev, EV_WRITE|EV_TIMEOUT, NULL)) {
-		/* let the connection know that we are done with the request */
-		evhttp_send_done(evcon, NULL);
-	} else {
-		/* make the callback execute after all data has been written */
-		evcon->cb = evhttp_send_done;
-		evcon->cb_arg = NULL;
-	}
-}
-
-void
-evhttp_response_code(struct evhttp_request *req, int code, const char *reason)
-{
-	req->kind = EVHTTP_RESPONSE;
-	req->response_code = code;
-	if (req->response_code_line != NULL)
-		free(req->response_code_line);
-	req->response_code_line = strdup(reason);
-}
-
-void
-evhttp_send_page(struct evhttp_request *req, struct evbuffer *databuf)
-{
-	if (!req->major || !req->minor) {
-		req->major = 1;
-		req->minor = 1;
-	}
-	
-	if (req->kind != EVHTTP_RESPONSE)
-		evhttp_response_code(req, 200, "OK");
-
-	evhttp_clear_headers(req->output_headers);
-	evhttp_add_header(req->output_headers, "Content-Type", "text/html");
-	evhttp_add_header(req->output_headers, "Connection", "close");
-
-	evhttp_send(req, databuf);
-}
-
-static const char uri_chars[256] = {
-	0, 0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0, 0, 0, 0, 0,
-	0, 1, 0, 0, 1, 0, 0, 1,   1, 1, 1, 1, 1, 1, 1, 1,
-	1, 1, 1, 1, 1, 1, 1, 1,   1, 1, 1, 0, 0, 1, 0, 0,
-	/* 64 */
-	1, 1, 1, 1, 1, 1, 1, 1,   1, 1, 1, 1, 1, 1, 1, 1,
-	1, 1, 1, 1, 1, 1, 1, 1,   1, 1, 1, 0, 0, 0, 0, 1,
-	0, 1, 1, 1, 1, 1, 1, 1,   1, 1, 1, 1, 1, 1, 1, 1,
-	1, 1, 1, 1, 1, 1, 1, 1,   1, 1, 1, 0, 0, 0, 1, 0,
-	/* 128 */
-	0, 0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0, 0, 0, 0, 0,
-	/* 192 */
-	0, 0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0, 0, 0, 0, 0,
-};
-
-/*
- * Helper functions to encode/decode a URI.
- * The returned string must be freed by the caller.
- */
-char *
-evhttp_encode_uri(const char *uri)
-{
-	struct evbuffer *buf = evbuffer_new();
-	char *p;
-
-	for (p = (char *)uri; *p != '\0'; p++) {
-		if (uri_chars[(u_char)(*p)]) {
-			evbuffer_add(buf, p, 1);
-		} else {
-			evbuffer_add_printf(buf, "%%%02X", (u_char)(*p));
-		}
-	}
-	evbuffer_add(buf, "", 1);
-	p = strdup((char *)EVBUFFER_DATA(buf));
-	evbuffer_free(buf);
-	
-	return (p);
-}
-
-/*
- * @param always_decode_plus: when true we transform plus to space even
- *     if we have not seen a ?.
- */
-static int
-evhttp_decode_uri_internal(
-	const char *uri, size_t length, char *ret, int always_decode_plus)
-{
-	char c;
-	int i, j, in_query = always_decode_plus;
-	
-	for (i = j = 0; uri[i] != '\0'; i++) {
-		c = uri[i];
-		if (c == '?') {
-			in_query = 1;
-		} else if (c == '+' && in_query) {
-			c = ' ';
-		} else if (c == '%' && isxdigit((unsigned char)uri[i+1]) &&
-		    isxdigit((unsigned char)uri[i+2])) {
-			char tmp[] = { uri[i+1], uri[i+2], '\0' };
-			c = (char)strtol(tmp, NULL, 16);
-			i += 2;
-		}
-		ret[j++] = c;
-	}
-	ret[j] = '\0';
-
-	return (j);
-}
-
-char *
-evhttp_decode_uri(const char *uri)
-{
-	char *ret;
-
-	if ((ret = malloc(strlen(uri) + 1)) == NULL)
-		event_err(1, "%s: malloc(%lu)", __func__,
-			  (unsigned long)(strlen(uri) + 1));
-
-	evhttp_decode_uri_internal(uri, strlen(uri),
-	    ret, 0 /*always_decode_plus*/);
-
-	return (ret);
-}
-
-/* 
- * Helper function to parse out arguments in a query.
- * The arguments are separated by key and value.
- */
-
-void
-evhttp_parse_query(const char *uri, struct evkeyvalq *headers)
-{
-	char *line;
-	char *argument;
-	char *p;
-
-	TAILQ_INIT(headers);
-
-	/* No arguments - we are done */
-	if (strchr(uri, '?') == NULL)
-		return;
-
-	if ((line = strdup(uri)) == NULL)
-		event_err(1, "%s: strdup", __func__);
-
-
-	argument = line;
-
-	/* We already know that there has to be a ? */
-	strsep(&argument, "?");
-
-	p = argument;
-	while (p != NULL && *p != '\0') {
-		char *key, *value, *decoded_value;
-		argument = strsep(&p, "&");
-
-		value = argument;
-		key = strsep(&value, "=");
-		if (value == NULL)
-			goto error;
-
-		if ((decoded_value = malloc(strlen(value) + 1)) == NULL)
-			event_err(1, "%s: malloc", __func__);
-
-		evhttp_decode_uri_internal(value, strlen(value),
-		    decoded_value, 1 /*always_decode_plus*/);
-		event_debug(("Query Param: %s -> %s\n", key, decoded_value));
-		evhttp_add_header_internal(headers, key, decoded_value);
-		free(decoded_value);
-	}
-
- error:
-	free(line);
-}
-
-static struct evhttp_cb *
-evhttp_dispatch_callback(struct httpcbq *callbacks, struct evhttp_request *req)
-{
-	struct evhttp_cb *cb;
-	size_t offset = 0;
-
-	/* Test for different URLs */
-	char *p = strchr(req->uri, '?');
-	if (p != NULL)
-		offset = (size_t)(p - req->uri);
-
-	TAILQ_FOREACH(cb, callbacks, next) {
-		int res = 0;
-		if (p == NULL) {
-			res = strcmp(cb->what, req->uri) == 0;
-		} else {
-			res = ((strncmp(cb->what, req->uri, offset) == 0) &&
-					(cb->what[offset] == '\0'));
-		}
-
-		if (res)
-			return (cb);
-	}
-
-	return (NULL);
-}
-
-static void
-evhttp_handle_request(struct evhttp_request *req, void *arg)
-{
-	struct evhttp *http = arg;
-	struct evhttp_cb *cb = NULL;
-
-	if (req->uri == NULL) {
-		evhttp_send_error(req, HTTP_BADREQUEST, "Bad Request");
-		return;
-	}
-
-	if ((cb = evhttp_dispatch_callback(&http->callbacks, req)) != NULL) {
-		(*cb->cb)(req, cb->cbarg);
-		return;
-	}
-
-	/* Generic call back */
-	if (http->gencb) {
-		(*http->gencb)(req, http->gencbarg);
-		return;
-	} else {
-		/* We need to send a 404 here */
-#define ERR_FORMAT "<html><head>" \
-		    "<title>404 Not Found</title>" \
-		    "</head><body>" \
-		    "<h1>Not Found</h1>" \
-		    "<p>The requested URL %s was not found on this server.</p>"\
-		    "</body></html>\n"
-
-		char *escaped_html = evhttp_htmlescape(req->uri);
-		struct evbuffer *buf = evbuffer_new();
-
-		evhttp_response_code(req, HTTP_NOTFOUND, "Not Found");
-
-		evbuffer_add_printf(buf, ERR_FORMAT, escaped_html);
-
-		free(escaped_html);
-
-		evhttp_send_page(req, buf);
-
-		evbuffer_free(buf);
-#undef ERR_FORMAT
-	}
-}
-
-static void
-accept_socket(int fd, short what, void *arg)
-{
-	struct evhttp *http = arg;
-	struct sockaddr_storage ss;
-	socklen_t addrlen = sizeof(ss);
-	int nfd;
-
-	if ((nfd = accept(fd, (struct sockaddr *)&ss, &addrlen)) == -1) {
-		if (errno != EAGAIN && errno != EINTR)
-			event_warn("%s: bad accept", __func__);
-		return;
-	}
-	if (evutil_make_socket_nonblocking(nfd) < 0)
-		return;
-
-	evhttp_get_request(http, nfd, (struct sockaddr *)&ss, addrlen);
-}
-
-int
-evhttp_bind_socket(struct evhttp *http, const char *address, u_short port)
-{
-	int fd;
-	int res;
-
-	if ((fd = bind_socket(address, port, 1 /*reuse*/)) == -1)
-		return (-1);
-
-	if (listen(fd, 128) == -1) {
-		event_warn("%s: listen", __func__);
-		EVUTIL_CLOSESOCKET(fd);
-		return (-1);
-	}
-
-	res = evhttp_accept_socket(http, fd);
-	
-	if (res != -1)
-		event_debug(("Bound to port %d - Awaiting connections ... ",
-			port));
-
-	return (res);
-}
-
-int
-evhttp_accept_socket(struct evhttp *http, int fd)
-{
-	struct evhttp_bound_socket *bound;
-	struct event *ev;
-	int res;
-
-	bound = malloc(sizeof(struct evhttp_bound_socket));
-	if (bound == NULL)
-		return (-1);
-
-	ev = &bound->bind_ev;
-
-	/* Schedule the socket for accepting */
-	event_set(ev, fd, EV_READ | EV_PERSIST, accept_socket, http);
-	EVHTTP_BASE_SET(http, ev);
-
-	res = event_add(ev, NULL);
-
-	if (res == -1) {
-		free(bound);
-		return (-1);
-	}
-
-	TAILQ_INSERT_TAIL(&http->sockets, bound, next);
-
-	return (0);
-}
-
-static struct evhttp*
-evhttp_new_object(void)
-{
-	struct evhttp *http = NULL;
-
-	if ((http = calloc(1, sizeof(struct evhttp))) == NULL) {
-		event_warn("%s: calloc", __func__);
-		return (NULL);
-	}
-
-	http->timeout = -1;
-
-	TAILQ_INIT(&http->sockets);
-	TAILQ_INIT(&http->callbacks);
-	TAILQ_INIT(&http->connections);
-
-	return (http);
-}
-
-struct evhttp *
-evhttp_new(struct event_base *base)
-{
-	struct evhttp *http = evhttp_new_object();
-
-	http->base = base;
-
-	return (http);
-}
-
-/*
- * Start a web server on the specified address and port.
- */
-
-struct evhttp *
-evhttp_start(const char *address, u_short port)
-{
-	struct evhttp *http = evhttp_new_object();
-
-	if (evhttp_bind_socket(http, address, port) == -1) {
-		free(http);
-		return (NULL);
-	}
-
-	return (http);
-}
-
-void
-evhttp_free(struct evhttp* http)
-{
-	struct evhttp_cb *http_cb;
-	struct evhttp_connection *evcon;
-	struct evhttp_bound_socket *bound;
-	int fd;
-
-	/* Remove the accepting part */
-	while ((bound = TAILQ_FIRST(&http->sockets)) != NULL) {
-		TAILQ_REMOVE(&http->sockets, bound, next);
-
-		fd = bound->bind_ev.ev_fd;
-		event_del(&bound->bind_ev);
-		EVUTIL_CLOSESOCKET(fd);
-
-		free(bound);
-	}
-
-	while ((evcon = TAILQ_FIRST(&http->connections)) != NULL) {
-		/* evhttp_connection_free removes the connection */
-		evhttp_connection_free(evcon);
-	}
-
-	while ((http_cb = TAILQ_FIRST(&http->callbacks)) != NULL) {
-		TAILQ_REMOVE(&http->callbacks, http_cb, next);
-		free(http_cb->what);
-		free(http_cb);
-	}
-	
-	free(http);
-}
-
-void
-evhttp_set_timeout(struct evhttp* http, int timeout_in_secs)
-{
-	http->timeout = timeout_in_secs;
-}
-
-void
-evhttp_set_cb(struct evhttp *http, const char *uri,
-    void (*cb)(struct evhttp_request *, void *), void *cbarg)
-{
-	struct evhttp_cb *http_cb;
-
-	if ((http_cb = calloc(1, sizeof(struct evhttp_cb))) == NULL)
-		event_err(1, "%s: calloc", __func__);
-
-	http_cb->what = strdup(uri);
-	http_cb->cb = cb;
-	http_cb->cbarg = cbarg;
-
-	TAILQ_INSERT_TAIL(&http->callbacks, http_cb, next);
-}
-
-int
-evhttp_del_cb(struct evhttp *http, const char *uri)
-{
-	struct evhttp_cb *http_cb;
-
-	TAILQ_FOREACH(http_cb, &http->callbacks, next) {
-		if (strcmp(http_cb->what, uri) == 0)
-			break;
-	}
-	if (http_cb == NULL)
-		return (-1);
-
-	TAILQ_REMOVE(&http->callbacks, http_cb, next);
-	free(http_cb->what);
-	free(http_cb);
-
-	return (0);
-}
-
-void
-evhttp_set_gencb(struct evhttp *http,
-    void (*cb)(struct evhttp_request *, void *), void *cbarg)
-{
-	http->gencb = cb;
-	http->gencbarg = cbarg;
-}
-
-/*
- * Request related functions
- */
-
-struct evhttp_request *
-evhttp_request_new(void (*cb)(struct evhttp_request *, void *), void *arg)
-{
-	struct evhttp_request *req = NULL;
-
-	/* Allocate request structure */
-	if ((req = calloc(1, sizeof(struct evhttp_request))) == NULL) {
-		event_warn("%s: calloc", __func__);
-		goto error;
-	}
-
-	req->kind = EVHTTP_RESPONSE;
-	req->input_headers = calloc(1, sizeof(struct evkeyvalq));
-	if (req->input_headers == NULL) {
-		event_warn("%s: calloc", __func__);
-		goto error;
-	}
-	TAILQ_INIT(req->input_headers);
-
-	req->output_headers = calloc(1, sizeof(struct evkeyvalq));
-	if (req->output_headers == NULL) {
-		event_warn("%s: calloc", __func__);
-		goto error;
-	}
-	TAILQ_INIT(req->output_headers);
-
-	if ((req->input_buffer = evbuffer_new()) == NULL) {
-		event_warn("%s: evbuffer_new", __func__);
-		goto error;
-	}
-
-	if ((req->output_buffer = evbuffer_new()) == NULL) {
-		event_warn("%s: evbuffer_new", __func__);
-		goto error;
-	}
-
-	req->cb = cb;
-	req->cb_arg = arg;
-
-	return (req);
-
- error:
-	if (req != NULL)
-		evhttp_request_free(req);
-	return (NULL);
-}
-
-void
-evhttp_request_free(struct evhttp_request *req)
-{
-	if (req->remote_host != NULL)
-		free(req->remote_host);
-	if (req->uri != NULL)
-		free(req->uri);
-	if (req->response_code_line != NULL)
-		free(req->response_code_line);
-
-	evhttp_clear_headers(req->input_headers);
-	free(req->input_headers);
-
-	evhttp_clear_headers(req->output_headers);
-	free(req->output_headers);
-
-	if (req->input_buffer != NULL)
-		evbuffer_free(req->input_buffer);
-
-	if (req->output_buffer != NULL)
-		evbuffer_free(req->output_buffer);
-
-	free(req);
-}
-
-void
-evhttp_request_set_chunked_cb(struct evhttp_request *req,
-    void (*cb)(struct evhttp_request *, void *))
-{
-	req->chunk_cb = cb;
-}
-
-/*
- * Allows for inspection of the request URI
- */
-
-const char *
-evhttp_request_uri(struct evhttp_request *req) {
-	if (req->uri == NULL)
-		event_debug(("%s: request %p has no uri\n", __func__, req));
-	return (req->uri);
-}
-
-/*
- * Takes a file descriptor to read a request from.
- * The callback is executed once the whole request has been read.
- */
-
-static struct evhttp_connection*
-evhttp_get_request_connection(
-	struct evhttp* http,
-	int fd, struct sockaddr *sa, socklen_t salen)
-{
-	struct evhttp_connection *evcon;
-	char *hostname = NULL, *portname = NULL;
-
-	name_from_addr(sa, salen, &hostname, &portname);
-	if (hostname == NULL || portname == NULL) {
-		if (hostname) free(hostname);
-		if (portname) free(portname);
-		return (NULL);
-	}
-
-	event_debug(("%s: new request from %s:%s on %d\n",
-			__func__, hostname, portname, fd));
-
-	/* we need a connection object to put the http request on */
-	evcon = evhttp_connection_new(hostname, atoi(portname));
-	free(hostname);
-	free(portname);
-	if (evcon == NULL)
-		return (NULL);
-
-	/* associate the base if we have one*/
-	evhttp_connection_set_base(evcon, http->base);
-
-	evcon->flags |= EVHTTP_CON_INCOMING;
-	evcon->state = EVCON_READING_FIRSTLINE;
-	
-	evcon->fd = fd;
-
-	return (evcon);
-}
-
-static int
-evhttp_associate_new_request_with_connection(struct evhttp_connection *evcon)
-{
-	struct evhttp *http = evcon->http_server;
-	struct evhttp_request *req;
-	if ((req = evhttp_request_new(evhttp_handle_request, http)) == NULL)
-		return (-1);
-
-	req->evcon = evcon;	/* the request ends up owning the connection */
-	req->flags |= EVHTTP_REQ_OWN_CONNECTION;
-	
-	TAILQ_INSERT_TAIL(&evcon->requests, req, next);
-	
-	req->kind = EVHTTP_REQUEST;
-	
-	if ((req->remote_host = strdup(evcon->address)) == NULL)
-		event_err(1, "%s: strdup", __func__);
-	req->remote_port = evcon->port;
-
-	evhttp_start_read(evcon);
-	
-	return (0);
-}
-
-void
-evhttp_get_request(struct evhttp *http, int fd,
-    struct sockaddr *sa, socklen_t salen)
-{
-	struct evhttp_connection *evcon;
-
-	evcon = evhttp_get_request_connection(http, fd, sa, salen);
-	if (evcon == NULL)
-		return;
-
-	/* the timeout can be used by the server to close idle connections */
-	if (http->timeout != -1)
-		evhttp_connection_set_timeout(evcon, http->timeout);
-
-	/* 
-	 * if we want to accept more than one request on a connection,
-	 * we need to know which http server it belongs to.
-	 */
-	evcon->http_server = http;
-	TAILQ_INSERT_TAIL(&http->connections, evcon, next);
-	
-	if (evhttp_associate_new_request_with_connection(evcon) == -1)
-		evhttp_connection_free(evcon);
-}
-
-
-/*
- * Network helper functions that we do not want to export to the rest of
- * the world.
- */
-#if 0 /* Unused */
-static struct addrinfo *
-addr_from_name(char *address)
-{
-#ifdef HAVE_GETADDRINFO
-        struct addrinfo ai, *aitop;
-        int ai_result;
-
-        memset(&ai, 0, sizeof(ai));
-        ai.ai_family = AF_INET;
-        ai.ai_socktype = SOCK_RAW;
-        ai.ai_flags = 0;
-        if ((ai_result = getaddrinfo(address, NULL, &ai, &aitop)) != 0) {
-                if ( ai_result == EAI_SYSTEM )
-                        event_warn("getaddrinfo");
-                else
-                        event_warnx("getaddrinfo: %s", gai_strerror(ai_result));
-        }
-
-	return (aitop);
-#else
-	assert(0);
-	return NULL; /* XXXXX Use gethostbyname, if this function is ever used. */
-#endif
-}
-#endif
-
-static void
-name_from_addr(struct sockaddr *sa, socklen_t salen,
-    char **phost, char **pport)
-{
-	char ntop[NI_MAXHOST];
-	char strport[NI_MAXSERV];
-	int ni_result;
-
-#ifdef HAVE_GETNAMEINFO
-	ni_result = getnameinfo(sa, salen,
-		ntop, sizeof(ntop), strport, sizeof(strport),
-		NI_NUMERICHOST|NI_NUMERICSERV);
-	
-	if (ni_result != 0) {
-		if (ni_result == EAI_SYSTEM)
-			event_err(1, "getnameinfo failed");
-		else
-			event_errx(1, "getnameinfo failed: %s", gai_strerror(ni_result));
-		return;
-	}
-#else
-	ni_result = fake_getnameinfo(sa, salen,
-		ntop, sizeof(ntop), strport, sizeof(strport),
-		NI_NUMERICHOST|NI_NUMERICSERV);
-	if (ni_result != 0)
-			return;
-#endif
-	*phost = strdup(ntop);
-	*pport = strdup(strport);
-}
-
-/* Create a non-blocking socket and bind it */
-/* todo: rename this function */
-static int
-bind_socket_ai(struct addrinfo *ai, int reuse)
-{
-        int fd, on = 1, r;
-	int serrno;
-
-        /* Create listen socket */
-        fd = socket(AF_INET, SOCK_STREAM, 0);
-        if (fd == -1) {
-                event_warn("socket");
-                return (-1);
-        }
-
-        if (evutil_make_socket_nonblocking(fd) < 0)
-                goto out;
-
-#ifndef WIN32
-        if (fcntl(fd, F_SETFD, 1) == -1) {
-                event_warn("fcntl(F_SETFD)");
-                goto out;
-        }
-#endif
-
-        setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, (void *)&on, sizeof(on));
-	if (reuse) {
-		setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,
-		    (void *)&on, sizeof(on));
-	}
-
-	if (ai != NULL) {
-		r = bind(fd, ai->ai_addr, ai->ai_addrlen);
-		if (r == -1)
-			goto out;
-	}
-
-	return (fd);
-
- out:
-	serrno = EVUTIL_SOCKET_ERROR();
-	EVUTIL_CLOSESOCKET(fd);
-	EVUTIL_SET_SOCKET_ERROR(serrno);
-	return (-1);
-}
-
-static struct addrinfo *
-make_addrinfo(const char *address, u_short port)
-{
-        struct addrinfo *aitop = NULL;
-
-#ifdef HAVE_GETADDRINFO
-        struct addrinfo ai;
-        char strport[NI_MAXSERV];
-        int ai_result;
-
-        memset(&ai, 0, sizeof(ai));
-        ai.ai_family = AF_INET;
-        ai.ai_socktype = SOCK_STREAM;
-        ai.ai_flags = AI_PASSIVE;  /* turn NULL host name into INADDR_ANY */
-        evutil_snprintf(strport, sizeof(strport), "%d", port);
-        if ((ai_result = getaddrinfo(address, strport, &ai, &aitop)) != 0) {
-                if ( ai_result == EAI_SYSTEM )
-                        event_warn("getaddrinfo");
-                else
-                        event_warnx("getaddrinfo: %s", gai_strerror(ai_result));
-		return (NULL);
-        }
-#else
-	static int cur;
-	static struct addrinfo ai[2]; /* We will be returning the address of some of this memory so it has to last even after this call. */
-	if (++cur == 2) cur = 0;   /* allow calling this function twice */
-
-	if (fake_getaddrinfo(address, &ai[cur]) < 0) {
-		event_warn("fake_getaddrinfo");
-		return (NULL);
-	}
-	aitop = &ai[cur];
-	((struct sockaddr_in *) aitop->ai_addr)->sin_port = htons(port);
-#endif
-
-	return (aitop);
-}
-
-static int
-bind_socket(const char *address, u_short port, int reuse)
-{
-	int fd;
-	struct addrinfo *aitop = NULL;
-
-	/* just create an unbound socket */
-	if (address == NULL && port == 0)
-		return bind_socket_ai(NULL, 0);
-		
-	aitop = make_addrinfo(address, port);
-
-	if (aitop == NULL)
-		return (-1);
-
-	fd = bind_socket_ai(aitop, reuse);
-
-#ifdef HAVE_GETADDRINFO
-	freeaddrinfo(aitop);
-#else
-	fake_freeaddrinfo(aitop);
-#endif
-
-	return (fd);
-}
-
-static int
-socket_connect(int fd, const char *address, unsigned short port)
-{
-	struct addrinfo *ai = make_addrinfo(address, port);
-	int res = -1;
-
-	if (ai == NULL) {
-		event_debug(("%s: make_addrinfo: \"%s:%d\"",
-			__func__, address, port));
-		return (-1);
-	}
-
-	if (connect(fd, ai->ai_addr, ai->ai_addrlen) == -1) {
-#ifdef WIN32
-		int tmp_error = WSAGetLastError();
-		if (tmp_error != WSAEWOULDBLOCK && tmp_error != WSAEINVAL &&
-		    tmp_error != WSAEINPROGRESS) {
-			goto out;
-		}
-#else
-		if (errno != EINPROGRESS) {
-			goto out;
-		}
-#endif
-	}
-
-	/* everything is fine */
-	res = 0;
-
-out:
-#ifdef HAVE_GETADDRINFO
-	freeaddrinfo(ai);
-#else
-	fake_freeaddrinfo(ai);
-#endif
-
-	return (res);
-}