move libevent into base

third_party/libevent/evhttp.h

Index: third_party/libevent/evhttp.h
diff --git a/third_party/libevent/evhttp.h b/third_party/libevent/evhttp.h
deleted file mode 100644
index 48c1d9186e9281f92cb0a228a2d8b0a1d57f9a1e..0000000000000000000000000000000000000000
--- a/third_party/libevent/evhttp.h
+++ /dev/null
@@ -1,375 +0,0 @@
-/*
- * Copyright (c) 2000-2004 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.
- */
-#ifndef _EVHTTP_H_
-#define _EVHTTP_H_
-
-#include "event.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#ifdef WIN32
-#define WIN32_LEAN_AND_MEAN
-#include <winsock2.h>
-#include <windows.h>
-#undef WIN32_LEAN_AND_MEAN
-#endif
-
-/** @file evhttp.h
- *
- * Basic support for HTTP serving.
- *
- * As libevent is a library for dealing with event notification and most
- * interesting applications are networked today, I have often found the
- * need to write HTTP code.  The following prototypes and definitions provide
- * an application with a minimal interface for making HTTP requests and for
- * creating a very simple HTTP server.
- */
-
-/* Response codes */
-#define HTTP_OK			200
-#define HTTP_NOCONTENT		204
-#define HTTP_MOVEPERM		301
-#define HTTP_MOVETEMP		302
-#define HTTP_NOTMODIFIED	304
-#define HTTP_BADREQUEST		400
-#define HTTP_NOTFOUND		404
-#define HTTP_SERVUNAVAIL	503
-
-struct evhttp;
-struct evhttp_request;
-struct evkeyvalq;
-
-/** Create a new HTTP server
- *
- * @param base (optional) the event base to receive the HTTP events
- * @return a pointer to a newly initialized evhttp server structure
- */
-struct evhttp *evhttp_new(struct event_base *base);
-
-/**
- * Binds an HTTP server on the specified address and port.
- *
- * Can be called multiple times to bind the same http server
- * to multiple different ports.
- *
- * @param http a pointer to an evhttp object
- * @param address a string containing the IP address to listen(2) on
- * @param port the port number to listen on
- * @return 0 on success, -1 on failure
- * @see evhttp_free()
- */
-int evhttp_bind_socket(struct evhttp *http, const char *address, u_short port);
-
-/**
- * Makes an HTTP server accept connections on the specified socket
- *
- * This may be useful to create a socket and then fork multiple instances
- * of an http server, or when a socket has been communicated via file
- * descriptor passing in situations where an http servers does not have
- * permissions to bind to a low-numbered port.
- *
- * Can be called multiple times to have the http server listen to
- * multiple different sockets.
- *
- * @param http a pointer to an evhttp object
- * @param fd a socket fd that is ready for accepting connections
- * @return 0 on success, -1 on failure.
- * @see evhttp_free(), evhttp_bind_socket()
- */
-int evhttp_accept_socket(struct evhttp *http, int fd);
-
-/**
- * Free the previously created HTTP server.
- *
- * Works only if no requests are currently being served.
- *
- * @param http the evhttp server object to be freed
- * @see evhttp_start()
- */
-void evhttp_free(struct evhttp* http);
-
-/** Set a callback for a specified URI */
-void evhttp_set_cb(struct evhttp *, const char *,
-    void (*)(struct evhttp_request *, void *), void *);
-
-/** Removes the callback for a specified URI */
-int evhttp_del_cb(struct evhttp *, const char *);
-
-/** Set a callback for all requests that are not caught by specific callbacks
- */
-void evhttp_set_gencb(struct evhttp *,
-    void (*)(struct evhttp_request *, void *), void *);
-
-/**
- * Set the timeout for an HTTP request.
- *
- * @param http an evhttp object
- * @param timeout_in_secs the timeout, in seconds
- */
-void evhttp_set_timeout(struct evhttp *, int timeout_in_secs);
-
-/* Request/Response functionality */
-
-/**
- * Send an HTML error message to the client.
- *
- * @param req a request object
- * @param error the HTTP error code
- * @param reason a brief explanation of the error
- */
-void evhttp_send_error(struct evhttp_request *req, int error,
-    const char *reason);
-
-/**
- * Send an HTML reply to the client.
- *
- * @param req a request object
- * @param code the HTTP response code to send
- * @param reason a brief message to send with the response code
- * @param databuf the body of the response
- */
-void evhttp_send_reply(struct evhttp_request *req, int code,
-    const char *reason, struct evbuffer *databuf);
-
-/* Low-level response interface, for streaming/chunked replies */
-void evhttp_send_reply_start(struct evhttp_request *, int, const char *);
-void evhttp_send_reply_chunk(struct evhttp_request *, struct evbuffer *);
-void evhttp_send_reply_end(struct evhttp_request *);
-
-/**
- * Start an HTTP server on the specified address and port
- *
- * DEPRECATED: it does not allow an event base to be specified
- *
- * @param address the address to which the HTTP server should be bound
- * @param port the port number on which the HTTP server should listen
- * @return an struct evhttp object
- */
-struct evhttp *evhttp_start(const char *address, u_short port);
-
-/*
- * Interfaces for making requests
- */
-enum evhttp_cmd_type { EVHTTP_REQ_GET, EVHTTP_REQ_POST, EVHTTP_REQ_HEAD };
-
-enum evhttp_request_kind { EVHTTP_REQUEST, EVHTTP_RESPONSE };
-
-/**
- * the request structure that a server receives.
- * WARNING: expect this structure to change.  I will try to provide
- * reasonable accessors.
- */
-struct evhttp_request {
-#if defined(TAILQ_ENTRY)
-	TAILQ_ENTRY(evhttp_request) next;
-#else
-struct {
-	struct evhttp_request *tqe_next;
-	struct evhttp_request **tqe_prev;
-}       next;
-#endif
-
-	/* the connection object that this request belongs to */
-	struct evhttp_connection *evcon;
-	int flags;
-#define EVHTTP_REQ_OWN_CONNECTION	0x0001
-#define EVHTTP_PROXY_REQUEST		0x0002
-
-	struct evkeyvalq *input_headers;
-	struct evkeyvalq *output_headers;
-
-	/* address of the remote host and the port connection came from */
-	char *remote_host;
-	u_short remote_port;
-
-	enum evhttp_request_kind kind;
-	enum evhttp_cmd_type type;
-
-	char *uri;			/* uri after HTTP request was parsed */
-
-	char major;			/* HTTP Major number */
-	char minor;			/* HTTP Minor number */
-
-	int response_code;		/* HTTP Response code */
-	char *response_code_line;	/* Readable response */
-
-	struct evbuffer *input_buffer;	/* read data */
-	ev_int64_t ntoread;
-	int chunked:1,                  /* a chunked request */
-	    userdone:1;                 /* the user has sent all data */
-
-	struct evbuffer *output_buffer;	/* outgoing post or data */
-
-	/* Callback */
-	void (*cb)(struct evhttp_request *, void *);
-	void *cb_arg;
-
-	/*
-	 * Chunked data callback - call for each completed chunk if
-	 * specified.  If not specified, all the data is delivered via
-	 * the regular callback.
-	 */
-	void (*chunk_cb)(struct evhttp_request *, void *);
-};
-
-/**
- * Creates a new request object that needs to be filled in with the request
- * parameters.  The callback is executed when the request completed or an
- * error occurred.
- */
-struct evhttp_request *evhttp_request_new(
-	void (*cb)(struct evhttp_request *, void *), void *arg);
-
-/** enable delivery of chunks to requestor */
-void evhttp_request_set_chunked_cb(struct evhttp_request *,
-    void (*cb)(struct evhttp_request *, void *));
-
-/** Frees the request object and removes associated events. */
-void evhttp_request_free(struct evhttp_request *req);
-
-/** Returns the connection object associated with the request or NULL */
-struct evhttp_connection *evhttp_request_get_connection(struct evhttp_request *req);
-
-/**
- * A connection object that can be used to for making HTTP requests.  The
- * connection object tries to establish the connection when it is given an
- * http request object.
- */
-struct evhttp_connection *evhttp_connection_new(
-	const char *address, unsigned short port);
-
-/** Frees an http connection */
-void evhttp_connection_free(struct evhttp_connection *evcon);
-
-/** sets the ip address from which http connections are made */
-void evhttp_connection_set_local_address(struct evhttp_connection *evcon,
-    const char *address);
-
-/** sets the local port from which http connections are made */
-void evhttp_connection_set_local_port(struct evhttp_connection *evcon,
-    unsigned short port);
-
-/** Sets the timeout for events related to this connection */
-void evhttp_connection_set_timeout(struct evhttp_connection *evcon,
-    int timeout_in_secs);
-
-/** Sets the retry limit for this connection - -1 repeats indefnitely */
-void evhttp_connection_set_retries(struct evhttp_connection *evcon,
-    int retry_max);
-
-/** Set a callback for connection close. */
-void evhttp_connection_set_closecb(struct evhttp_connection *evcon,
-    void (*)(struct evhttp_connection *, void *), void *);
-
-/**
- * Associates an event base with the connection - can only be called
- * on a freshly created connection object that has not been used yet.
- */
-void evhttp_connection_set_base(struct evhttp_connection *evcon,
-    struct event_base *base);
-
-/** Get the remote address and port associated with this connection. */
-void evhttp_connection_get_peer(struct evhttp_connection *evcon,
-    char **address, u_short *port);
-
-/** The connection gets ownership of the request */
-int evhttp_make_request(struct evhttp_connection *evcon,
-    struct evhttp_request *req,
-    enum evhttp_cmd_type type, const char *uri);
-
-const char *evhttp_request_uri(struct evhttp_request *req);
-
-/* Interfaces for dealing with HTTP headers */
-
-const char *evhttp_find_header(const struct evkeyvalq *, const char *);
-int evhttp_remove_header(struct evkeyvalq *, const char *);
-int evhttp_add_header(struct evkeyvalq *, const char *, const char *);
-void evhttp_clear_headers(struct evkeyvalq *);
-
-/* Miscellaneous utility functions */
-
-
-/**
-  Helper function to encode a URI.
-
-  The returned string must be freed by the caller.
-
-  @param uri an unencoded URI
-  @return a newly allocated URI-encoded string
- */
-char *evhttp_encode_uri(const char *uri);
-
-
-/**
-  Helper function to decode a URI.
-
-  The returned string must be freed by the caller.
-
-  @param uri an encoded URI
-  @return a newly allocated unencoded URI
- */
-char *evhttp_decode_uri(const char *uri);
-
-
-/**
- * Helper function to parse out arguments in a query.
- *
- * Parsing a uri like
- *
- *    http://foo.com/?q=test&s=some+thing
- *
- * will result in two entries in the key value queue.
-
- * The first entry is: key="q", value="test"
- * The second entry is: key="s", value="some thing"
- *
- * @param uri the request URI
- * @param headers the head of the evkeyval queue
- */
-void evhttp_parse_query(const char *uri, struct evkeyvalq *headers);
-
-
-/**
- * Escape HTML character entities in a string.
- *
- * Replaces <, >, ", ' and & with &lt;, &gt;, &quot;,
- * &#039; and &amp; correspondingly.
- *
- * The returned string needs to be freed by the caller.
- *
- * @param html an unescaped HTML string
- * @return an escaped HTML string
- */
-char *evhttp_htmlescape(const char *html);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _EVHTTP_H_ */