| /* |
| include/types/proto_http.h |
| This file contains HTTP protocol definitions. |
| |
| Copyright (C) 2000-2006 Willy Tarreau - w@1wt.eu |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation, version 2.1 |
| exclusively. |
| |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with this library; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #ifndef _TYPES_PROTO_HTTP_H |
| #define _TYPES_PROTO_HTTP_H |
| |
| #include <common/config.h> |
| |
| /* |
| * FIXME: break this into HTTP state and TCP socket state. |
| * See server.h for the other end. |
| */ |
| |
| /* different possible states for the client side */ |
| #define CL_STHEADERS 0 |
| #define CL_STDATA 1 |
| #define CL_STSHUTR 2 |
| #define CL_STSHUTW 3 |
| #define CL_STCLOSE 4 |
| |
| /* |
| * FIXME: break this into HTTP state and TCP socket state. |
| * See client.h for the other end. |
| */ |
| |
| /* different possible states for the server side */ |
| #define SV_STIDLE 0 |
| #define SV_STCONN 1 |
| #define SV_STHEADERS 2 |
| #define SV_STDATA 3 |
| #define SV_STSHUTR 4 |
| #define SV_STSHUTW 5 |
| #define SV_STCLOSE 6 |
| |
| |
| /* The HTTP parser is more complex than it looks like, because we have to |
| * support multi-line headers and any number of spaces between the colon and |
| * the value. |
| * |
| * All those examples must work : |
| |
| Hdr1:val1\r\n |
| Hdr1: val1\r\n |
| Hdr1:\t val1\r\n |
| Hdr1: \r\n |
| val1\r\n |
| Hdr1:\r\n |
| val1\n |
| \tval2\r\n |
| val3\n |
| |
| * |
| */ |
| |
| /* Possible states while parsing HTTP messages (request|response) */ |
| #define HTTP_MSG_RQBEFORE 0 // request: leading LF, before start line |
| #define HTTP_MSG_RQBEFORE_CR 1 // request: leading CRLF, before start line |
| |
| /* these ones define a request start line */ |
| #define HTTP_MSG_RQMETH 2 // parsing the Method |
| #define HTTP_MSG_RQMETH_SP 3 // space(s) after the ethod |
| #define HTTP_MSG_RQURI 4 // parsing the Request URI |
| #define HTTP_MSG_RQURI_SP 5 // space(s) after the Request URI |
| #define HTTP_MSG_RQVER 6 // parsing the Request Version |
| #define HTTP_MSG_RQLINE_END 7 // end of request line (CR or LF) |
| |
| #define HTTP_MSG_RPBEFORE 8 // response: leading LF, before start line |
| #define HTTP_MSG_RPBEFORE_CR 9 // response: leading CRLF, before start line |
| |
| /* these ones define a response start line */ |
| #define HTTP_MSG_RPVER 10 // parsing the Response Version |
| #define HTTP_MSG_RPVER_SP 11 // space(s) after the Response Version |
| #define HTTP_MSG_RPCODE 12 // response code |
| #define HTTP_MSG_RPCODE_SP 13 // space(s) after the response code |
| #define HTTP_MSG_RPREASON 14 // response reason |
| #define HTTP_MSG_RPLINE_END 15 // end of response line (CR or LF) |
| |
| /* common header processing */ |
| |
| #define HTTP_MSG_HDR_FIRST 16 // waiting for first header or last CRLF (no LWS possible) |
| #define HTTP_MSG_HDR_NAME 17 // parsing header name |
| #define HTTP_MSG_HDR_COL 18 // parsing header colon |
| #define HTTP_MSG_HDR_L1_SP 19 // parsing header LWS (SP|HT) before value |
| #define HTTP_MSG_HDR_L1_LF 20 // parsing header LWS (LF) before value |
| #define HTTP_MSG_HDR_L1_LWS 21 // checking whether it's a new header or an LWS |
| #define HTTP_MSG_HDR_VAL 22 // parsing header value |
| #define HTTP_MSG_HDR_L2_LF 23 // parsing header LWS (LF) inside/after value |
| #define HTTP_MSG_HDR_L2_LWS 24 // checking whether it's a new header or an LWS |
| |
| #define HTTP_MSG_LAST_LF 25 // parsing last LF |
| #define HTTP_MSG_BODY 26 // parsing body at end of headers |
| #define HTTP_MSG_ERROR 27 // an error occurred |
| |
| |
| /* various data sources for the responses */ |
| #define DATA_SRC_NONE 0 |
| #define DATA_SRC_STATS 1 |
| |
| /* data transmission states for the stats responses */ |
| enum { |
| DATA_ST_INIT = 0, |
| DATA_ST_HEAD, |
| DATA_ST_INFO, |
| DATA_ST_LIST, |
| DATA_ST_END, |
| DATA_ST_FIN, |
| }; |
| |
| /* data transmission states for the stats responses inside a proxy */ |
| enum { |
| DATA_ST_PX_INIT = 0, |
| DATA_ST_PX_TH, |
| DATA_ST_PX_FE, |
| DATA_ST_PX_SV, |
| DATA_ST_PX_BE, |
| DATA_ST_PX_END, |
| DATA_ST_PX_FIN, |
| }; |
| |
| |
| #endif /* _TYPES_PROTO_HTTP_H */ |
| |
| /* |
| * Local variables: |
| * c-indent-level: 8 |
| * c-basic-offset: 8 |
| * End: |
| */ |