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1.4.33

    1: /*
    2:  * fastcgi.h --
    3:  *
    4:  *	Defines for the FastCGI protocol.
    5:  *
    6:  *
    7:  * Copyright (c) 1995-1996 Open Market, Inc.
    8:  *
    9:  * See the file "LICENSE.TERMS" for information on usage and redistribution
   10:  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
   11:  *
   12:  * $Id: fastcgi.h,v 1.1.1.1 2013/10/14 10:32:48 misho Exp $
   13:  */
   14: 
   15: #ifndef _FASTCGI_H
   16: #define _FASTCGI_H
   17: 
   18: /*
   19:  * Listening socket file number
   20:  */
   21: #define FCGI_LISTENSOCK_FILENO 0
   22: 
   23: typedef struct {
   24:     unsigned char version;
   25:     unsigned char type;
   26:     unsigned char requestIdB1;
   27:     unsigned char requestIdB0;
   28:     unsigned char contentLengthB1;
   29:     unsigned char contentLengthB0;
   30:     unsigned char paddingLength;
   31:     unsigned char reserved;
   32: } FCGI_Header;
   33: 
   34: #define FCGI_MAX_LENGTH 0xffff
   35: 
   36: /*
   37:  * Number of bytes in a FCGI_Header.  Future versions of the protocol
   38:  * will not reduce this number.
   39:  */
   40: #define FCGI_HEADER_LEN  8
   41: 
   42: /*
   43:  * Value for version component of FCGI_Header
   44:  */
   45: #define FCGI_VERSION_1           1
   46: 
   47: /*
   48:  * Values for type component of FCGI_Header
   49:  */
   50: #define FCGI_BEGIN_REQUEST       1
   51: #define FCGI_ABORT_REQUEST       2
   52: #define FCGI_END_REQUEST         3
   53: #define FCGI_PARAMS              4
   54: #define FCGI_STDIN               5
   55: #define FCGI_STDOUT              6
   56: #define FCGI_STDERR              7
   57: #define FCGI_DATA                8
   58: #define FCGI_GET_VALUES          9
   59: #define FCGI_GET_VALUES_RESULT  10
   60: #define FCGI_UNKNOWN_TYPE       11
   61: #define FCGI_MAXTYPE (FCGI_UNKNOWN_TYPE)
   62: 
   63: /*
   64:  * Value for requestId component of FCGI_Header
   65:  */
   66: #define FCGI_NULL_REQUEST_ID     0
   67: 
   68: 
   69: typedef struct {
   70:     unsigned char roleB1;
   71:     unsigned char roleB0;
   72:     unsigned char flags;
   73:     unsigned char reserved[5];
   74: } FCGI_BeginRequestBody;
   75: 
   76: typedef struct {
   77:     FCGI_Header header;
   78:     FCGI_BeginRequestBody body;
   79: } FCGI_BeginRequestRecord;
   80: 
   81: /*
   82:  * Mask for flags component of FCGI_BeginRequestBody
   83:  */
   84: #define FCGI_KEEP_CONN  1
   85: 
   86: /*
   87:  * Values for role component of FCGI_BeginRequestBody
   88:  */
   89: #define FCGI_RESPONDER  1
   90: #define FCGI_AUTHORIZER 2
   91: #define FCGI_FILTER     3
   92: 
   93: 
   94: typedef struct {
   95:     unsigned char appStatusB3;
   96:     unsigned char appStatusB2;
   97:     unsigned char appStatusB1;
   98:     unsigned char appStatusB0;
   99:     unsigned char protocolStatus;
  100:     unsigned char reserved[3];
  101: } FCGI_EndRequestBody;
  102: 
  103: typedef struct {
  104:     FCGI_Header header;
  105:     FCGI_EndRequestBody body;
  106: } FCGI_EndRequestRecord;
  107: 
  108: /*
  109:  * Values for protocolStatus component of FCGI_EndRequestBody
  110:  */
  111: #define FCGI_REQUEST_COMPLETE 0
  112: #define FCGI_CANT_MPX_CONN    1
  113: #define FCGI_OVERLOADED       2
  114: #define FCGI_UNKNOWN_ROLE     3
  115: 
  116: 
  117: /*
  118:  * Variable names for FCGI_GET_VALUES / FCGI_GET_VALUES_RESULT records
  119:  */
  120: #define FCGI_MAX_CONNS  "FCGI_MAX_CONNS"
  121: #define FCGI_MAX_REQS   "FCGI_MAX_REQS"
  122: #define FCGI_MPXS_CONNS "FCGI_MPXS_CONNS"
  123: 
  124: 
  125: typedef struct {
  126:     unsigned char type;
  127:     unsigned char reserved[7];
  128: } FCGI_UnknownTypeBody;
  129: 
  130: typedef struct {
  131:     FCGI_Header header;
  132:     FCGI_UnknownTypeBody body;
  133: } FCGI_UnknownTypeRecord;
  134: 
  135: #endif	/* _FASTCGI_H */
  136: