fcgi_protocol.h revision 948b5a49ace2d603b24ba8f106fa9077a54cdf62
/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @file fcgi_protocol.h
* @brief FastCGI protocol defines
*
* @defgroup FCGI_defines FastCGI protocol definition
* @ingroup APACHE_INTERNAL
* @{
*/
#ifndef FCGI_PROTOCOL_H
#define FCGI_PROTOCOL_H
#define FCGI_VERSION 1
#define FCGI_BEGIN_REQUEST 1
#define FCGI_ABORT_REQUEST 2
#define FCGI_END_REQUEST 3
#define FCGI_PARAMS 4
#define FCGI_STDIN 5
#define FCGI_STDOUT 6
#define FCGI_STDERR 7
#define FCGI_DATA 8
#define FCGI_GET_VALUES 9
#define FCGI_GET_VALUES_RESULT 10
#define FCGI_UNKNOWN_TYPE 11
#define FCGI_MAXTYPE (FCGI_UNKNOWN_TYPE)
typedef struct {
unsigned char version;
unsigned char type;
unsigned char requestIdB1;
unsigned char requestIdB0;
unsigned char contentLengthB1;
unsigned char contentLengthB0;
unsigned char paddingLength;
unsigned char reserved;
} fcgi_header;
#define FCGI_HDR_VERSION_OFFSET 0
#define FCGI_HDR_TYPE_OFFSET 1
#define FCGI_HDR_REQUEST_ID_B1_OFFSET 2
#define FCGI_HDR_REQUEST_ID_B0_OFFSET 3
#define FCGI_HDR_CONTENT_LEN_B1_OFFSET 4
#define FCGI_HDR_CONTENT_LEN_B0_OFFSET 5
#define FCGI_HDR_PADDING_LEN_OFFSET 6
#define FCGI_HDR_RESERVED_OFFSET 7
#define FCGI_BRB_ROLEB1_OFFSET 0
#define FCGI_BRB_ROLEB0_OFFSET 1
#define FCGI_BRB_FLAGS_OFFSET 2
#define FCGI_BRB_RESERVED0_OFFSET 3
#define FCGI_BRB_RESERVED1_OFFSET 4
#define FCGI_BRB_RESERVED2_OFFSET 5
#define FCGI_BRB_RESERVED3_OFFSET 6
#define FCGI_BRB_RESERVED4_OFFSET 7
/*
* Number of bytes in a fcgi_header. Future versions of the protocol
* will not reduce this number.
*/
#define FCGI_HEADER_LEN 8
/*
* Mask for flags component of FCGI_BeginRequestBody
*/
#define FCGI_KEEP_CONN 1
/*
* Values for role component of FCGI_BeginRequestBody
*/
#define FCGI_RESPONDER 1
#define FCGI_AUTHORIZER 2
#define FCGI_FILTER 3
typedef struct {
unsigned char roleB1;
unsigned char roleB0;
unsigned char flags;
unsigned char reserved[5];
/*
* Maximum size of the allowed environment.
*/
#define FCGI_MAX_ENV_SIZE 65535
/* #define FCGI_DUMP_ENV_VARS */
#endif /* FCGI_PROTOCOL_H */
/** @} */