adamc@859: // This code comes from the FastCGI 1.0 spec at:
adamc@859: //   http://www.fastcgi.com/drupal/node/6?q=node/22
adamc@859: 
adamc@859: /*
adamc@859:  * Listening socket file number
adamc@859:  */
adamc@859: #define FCGI_LISTENSOCK_FILENO 0
adamc@859: 
adamc@859: typedef struct {
adamc@859:     unsigned char version;
adamc@859:     unsigned char type;
adamc@859:     unsigned char requestIdB1;
adamc@859:     unsigned char requestIdB0;
adamc@859:     unsigned char contentLengthB1;
adamc@859:     unsigned char contentLengthB0;
adamc@859:     unsigned char paddingLength;
adamc@859:     unsigned char reserved;
adamc@859: } FCGI_Header;
adamc@859: 
adamc@859: /*
adamc@859:  * Number of bytes in a FCGI_Header.  Future versions of the protocol
adamc@859:  * will not reduce this number.
adamc@859:  */
adamc@859: #define FCGI_HEADER_LEN  8
adamc@859: 
adamc@859: /*
adamc@859:  * Value for version component of FCGI_Header
adamc@859:  */
adamc@859: #define FCGI_VERSION_1           1
adamc@859: 
adamc@859: /*
adamc@859:  * Values for type component of FCGI_Header
adamc@859:  */
adamc@859: #define FCGI_BEGIN_REQUEST       1
adamc@859: #define FCGI_ABORT_REQUEST       2
adamc@859: #define FCGI_END_REQUEST         3
adamc@859: #define FCGI_PARAMS              4
adamc@859: #define FCGI_STDIN               5
adamc@859: #define FCGI_STDOUT              6
adamc@859: #define FCGI_STDERR              7
adamc@859: #define FCGI_DATA                8
adamc@859: #define FCGI_GET_VALUES          9
adamc@859: #define FCGI_GET_VALUES_RESULT  10
adamc@859: #define FCGI_UNKNOWN_TYPE       11
adamc@859: #define FCGI_MAXTYPE (FCGI_UNKNOWN_TYPE)
adamc@859: 
adamc@859: /*
adamc@859:  * Value for requestId component of FCGI_Header
adamc@859:  */
adamc@859: #define FCGI_NULL_REQUEST_ID     0
adamc@859: 
adamc@859: typedef struct {
adamc@859:     unsigned char roleB1;
adamc@859:     unsigned char roleB0;
adamc@859:     unsigned char flags;
adamc@859:     unsigned char reserved[5];
adamc@859: } FCGI_BeginRequestBody;
adamc@859: 
adamc@859: typedef struct {
adamc@859:     FCGI_Header header;
adamc@859:     FCGI_BeginRequestBody body;
adamc@859: } FCGI_BeginRequestRecord;
adamc@859: 
adamc@859: /*
adamc@859:  * Mask for flags component of FCGI_BeginRequestBody
adamc@859:  */
adamc@859: #define FCGI_KEEP_CONN  1
adamc@859: 
adamc@859: /*
adamc@859:  * Values for role component of FCGI_BeginRequestBody
adamc@859:  */
adamc@859: #define FCGI_RESPONDER  1
adamc@859: #define FCGI_AUTHORIZER 2
adamc@859: #define FCGI_FILTER     3
adamc@859: 
adamc@859: typedef struct {
adamc@859:     unsigned char appStatusB3;
adamc@859:     unsigned char appStatusB2;
adamc@859:     unsigned char appStatusB1;
adamc@859:     unsigned char appStatusB0;
adamc@859:     unsigned char protocolStatus;
adamc@859:     unsigned char reserved[3];
adamc@859: } FCGI_EndRequestBody;
adamc@859: 
adamc@859: typedef struct {
adamc@859:     FCGI_Header header;
adamc@859:     FCGI_EndRequestBody body;
adamc@859: } FCGI_EndRequestRecord;
adamc@859: 
adamc@859: /*
adamc@859:  * Values for protocolStatus component of FCGI_EndRequestBody
adamc@859:  */
adamc@859: #define FCGI_REQUEST_COMPLETE 0
adamc@859: #define FCGI_CANT_MPX_CONN    1
adamc@859: #define FCGI_OVERLOADED       2
adamc@859: #define FCGI_UNKNOWN_ROLE     3
adamc@859: 
adamc@859: /*
adamc@859:  * Variable names for FCGI_GET_VALUES / FCGI_GET_VALUES_RESULT records
adamc@859:  */
adamc@859: #define FCGI_MAX_CONNS  "FCGI_MAX_CONNS"
adamc@859: #define FCGI_MAX_REQS   "FCGI_MAX_REQS"
adamc@859: #define FCGI_MPXS_CONNS "FCGI_MPXS_CONNS"
adamc@859: 
adamc@859: typedef struct {
adamc@859:     unsigned char type;    
adamc@859:     unsigned char reserved[7];
adamc@859: } FCGI_UnknownTypeBody;
adamc@859: 
adamc@859: typedef struct {
adamc@859:     FCGI_Header header;
adamc@859:     FCGI_UnknownTypeBody body;
adamc@859: } FCGI_UnknownTypeRecord;