kc3-lang/libevent/include/event2/http_struct.h

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• Hash : 344c2b56
  Author :
  Date : 2008-06-02T05:45:26
  

  deliver partial data to request callbacks when chunked callback is set even if there is no chunking on the http level; allows cancelation of requests from within the chunked callback; from Scott Lamb.
  
  svn:r846
  

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• include/event2/http_struct.h

• /*
   * Copyright (c) 2000-2007 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 _EVENT2_HTTP_STRUCT_H_
  #define _EVENT2_HTTP_STRUCT_H_
  
  /** @file http_struct.h
  
    Data structures for http.  Using these structures may hurt forward
    compatibility with later versions of libevent: be careful!
  
   */
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  #include <event-config.h>
  #ifdef _EVENT_HAVE_SYS_TYPES_H
  #include <sys/types.h>
  #endif
  #ifdef _EVENT_HAVE_SYS_TIME_H
  #include <sys/time.h>
  #endif
  
  /* For int types. */
  #include <event2/util.h>
  
  /**
   * 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;
  /** The request obj owns the evhttp connection and needs to free it */
  #define EVHTTP_REQ_OWN_CONNECTION	0x0001
  /** Request was made via a proxy */
  #define EVHTTP_PROXY_REQUEST		0x0002
  /** The request object is owned by the user; the user must free it */
  #define EVHTTP_USER_OWNED		0x0004
  /** The request will be used again upstack; freeing must be deferred */
  #define EVHTTP_REQ_DEFER_FREE		0x0008
  /** The request should be freed upstack */
  #define EVHTTP_REQ_NEEDS_FREE		0x0010
  
  	struct evkeyvalq *input_headers;
  	struct evkeyvalq *output_headers;
  
  	/* address of the remote host and the port connection came from */
  	char *remote_host;
  	ev_uint16_t 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 got_firstline;
  	int response_code;		/* HTTP Response code */
  	char *response_code_line;	/* Readable response */
  
  	struct evbuffer *input_buffer;	/* read data */
  	ev_int64_t ntoread;
  	int chunked;
  
  	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 *);
  };
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* _EVENT2_HTTP_STRUCT_H_ */
  
  

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