📄 jk_ajp_common.h
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/*
* Copyright 1999-2004 The Apache Software Foundation
*
* Licensed 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.
*/
/***************************************************************************
* Description: common stuff for bi-directional protocol ajp13/ajp14. *
* Author: Gal Shachor <shachor@il.ibm.com> *
* Author: Henri Gomez <hgomez@apache.org> *
* Version: $Revision: 300544 $ *
***************************************************************************/
#ifndef JK_AJP_COMMON_H
#define JK_AJP_COMMON_H
#include "jk_service.h"
#include "jk_msg_buff.h"
#include "jk_mt.h"
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
/*
* Conditional request attributes
*
*/
#define SC_A_CONTEXT (unsigned char)1
#define SC_A_SERVLET_PATH (unsigned char)2
#define SC_A_REMOTE_USER (unsigned char)3
#define SC_A_AUTH_TYPE (unsigned char)4
#define SC_A_QUERY_STRING (unsigned char)5
#define SC_A_JVM_ROUTE (unsigned char)6
#define SC_A_SSL_CERT (unsigned char)7
#define SC_A_SSL_CIPHER (unsigned char)8
#define SC_A_SSL_SESSION (unsigned char)9
#define SC_A_REQ_ATTRIBUTE (unsigned char)10
#define SC_A_SSL_KEY_SIZE (unsigned char)11 /* only in if JkOptions +ForwardKeySize */
#define SC_A_SECRET (unsigned char)12
#define SC_A_STORED_METHOD (unsigned char)13
#define SC_A_ARE_DONE (unsigned char)0xFF
/*
* Request methods, coded as numbers instead of strings.
* The list of methods was taken from Section 5.1.1 of RFC 2616,
* RFC 2518, the ACL IETF draft, and the DeltaV IESG Proposed Standard.
* Method = "OPTIONS"
* | "GET"
* | "HEAD"
* | "POST"
* | "PUT"
* | "DELETE"
* | "TRACE"
* | "PROPFIND"
* | "PROPPATCH"
* | "MKCOL"
* | "COPY"
* | "MOVE"
* | "LOCK"
* | "UNLOCK"
* | "ACL"
* | "REPORT"
* | "VERSION-CONTROL"
* | "CHECKIN"
* | "CHECKOUT"
* | "UNCHECKOUT"
* | "SEARCH"
* | "MKWORKSPACE"
* | "UPDATE"
* | "LABEL"
* | "MERGE"
* | "BASELINE-CONTROL"
* | "MKACTIVITY"
*
*/
#define SC_M_OPTIONS (unsigned char)1
#define SC_M_GET (unsigned char)2
#define SC_M_HEAD (unsigned char)3
#define SC_M_POST (unsigned char)4
#define SC_M_PUT (unsigned char)5
#define SC_M_DELETE (unsigned char)6
#define SC_M_TRACE (unsigned char)7
#define SC_M_PROPFIND (unsigned char)8
#define SC_M_PROPPATCH (unsigned char)9
#define SC_M_MKCOL (unsigned char)10
#define SC_M_COPY (unsigned char)11
#define SC_M_MOVE (unsigned char)12
#define SC_M_LOCK (unsigned char)13
#define SC_M_UNLOCK (unsigned char)14
#define SC_M_ACL (unsigned char)15
#define SC_M_REPORT (unsigned char)16
#define SC_M_VERSION_CONTROL (unsigned char)17
#define SC_M_CHECKIN (unsigned char)18
#define SC_M_CHECKOUT (unsigned char)19
#define SC_M_UNCHECKOUT (unsigned char)20
#define SC_M_SEARCH (unsigned char)21
#define SC_M_MKWORKSPACE (unsigned char)22
#define SC_M_UPDATE (unsigned char)23
#define SC_M_LABEL (unsigned char)24
#define SC_M_MERGE (unsigned char)25
#define SC_M_BASELINE_CONTROL (unsigned char)26
#define SC_M_MKACTIVITY (unsigned char)27
#define SC_M_JK_STORED (unsigned char)0xFF
/*
* Frequent request headers, these headers are coded as numbers
* instead of strings.
*
* Accept
* Accept-Charset
* Accept-Encoding
* Accept-Language
* Authorization
* Connection
* Content-Type
* Content-Length
* Cookie
* Cookie2
* Host
* Pragma
* Referer
* User-Agent
*
*/
#define SC_ACCEPT (unsigned short)0xA001
#define SC_ACCEPT_CHARSET (unsigned short)0xA002
#define SC_ACCEPT_ENCODING (unsigned short)0xA003
#define SC_ACCEPT_LANGUAGE (unsigned short)0xA004
#define SC_AUTHORIZATION (unsigned short)0xA005
#define SC_CONNECTION (unsigned short)0xA006
#define SC_CONTENT_TYPE (unsigned short)0xA007
#define SC_CONTENT_LENGTH (unsigned short)0xA008
#define SC_COOKIE (unsigned short)0xA009
#define SC_COOKIE2 (unsigned short)0xA00A
#define SC_HOST (unsigned short)0xA00B
#define SC_PRAGMA (unsigned short)0xA00C
#define SC_REFERER (unsigned short)0xA00D
#define SC_USER_AGENT (unsigned short)0xA00E
/*
* Frequent response headers, these headers are coded as numbers
* instead of strings.
*
* Content-Type
* Content-Language
* Content-Length
* Date
* Last-Modified
* Location
* Set-Cookie
* Servlet-Engine
* Status
* WWW-Authenticate
*
*/
#define SC_RESP_CONTENT_TYPE (unsigned short)0xA001
#define SC_RESP_CONTENT_LANGUAGE (unsigned short)0xA002
#define SC_RESP_CONTENT_LENGTH (unsigned short)0xA003
#define SC_RESP_DATE (unsigned short)0xA004
#define SC_RESP_LAST_MODIFIED (unsigned short)0xA005
#define SC_RESP_LOCATION (unsigned short)0xA006
#define SC_RESP_SET_COOKIE (unsigned short)0xA007
#define SC_RESP_SET_COOKIE2 (unsigned short)0xA008
#define SC_RESP_SERVLET_ENGINE (unsigned short)0xA009
#define SC_RESP_STATUS (unsigned short)0xA00A
#define SC_RESP_WWW_AUTHENTICATE (unsigned short)0xA00B
#define SC_RES_HEADERS_NUM 11
/*
* AJP13/AJP14 use same message structure
*/
#define AJP_DEF_RETRY_ATTEMPTS (1)
#define AJP_HEADER_LEN (4)
#define AJP_HEADER_SZ_LEN (2)
#define CHUNK_BUFFER_PAD (12)
#define AJP_DEF_CACHE_TIMEOUT (0)
#define AJP_DEF_CONNECT_TIMEOUT (0) /* NO CONNECTION TIMEOUT => NO CPING/CPONG */
#define AJP_DEF_REPLY_TIMEOUT (0) /* NO REPLY TIMEOUT */
#define AJP_DEF_PREPOST_TIMEOUT (0) /* NO PREPOST TIMEOUT => NO CPING/CPONG */
#define AJP_DEF_RECOVERY_OPTS (0) /* NO RECOVERY / NO */
#define AJP_DEF_SOCKET_TIMEOUT (-1) /* No timeout */
#define RECOVER_ABORT_IF_TCGETREQUEST 0x0001 /* DONT RECOVER IF TOMCAT FAIL AFTER RECEIVING REQUEST */
#define RECOVER_ABORT_IF_TCSENDHEADER 0x0002 /* DONT RECOVER IF TOMCAT FAIL AFTER SENDING HEADERS */
struct jk_res_data
{
int status;
#ifdef AS400
char *msg;
#else
const char *msg;
#endif
unsigned num_headers;
char **header_names;
char **header_values;
};
typedef struct jk_res_data jk_res_data_t;
#include "jk_ajp14.h"
struct ajp_operation;
typedef struct ajp_operation ajp_operation_t;
struct ajp_endpoint;
typedef struct ajp_endpoint ajp_endpoint_t;
struct ajp_worker;
typedef struct ajp_worker ajp_worker_t;
struct ajp_worker
{
struct sockaddr_in worker_inet_addr; /* Contains host and port */
unsigned connect_retry_attempts;
const char *name;
const char *host;
int port;
/*
* Open connections cache...
*
* 1. Critical section object to protect the cache.
* 2. Cache size.
* 3. An array of "open" endpoints.
*/
JK_CRIT_SEC cs;
unsigned int ep_cache_sz;
unsigned int ep_mincache_sz;
unsigned int ep_maxcache_sz;
ajp_endpoint_t **ep_cache;
int proto; /* PROTOCOL USED AJP13/AJP14 */
jk_login_service_t *login;
/* Weak secret similar with ajp12, used in ajp13 */
const char *secret;
jk_worker_t worker;
/*
* Post physical connect handler.
* AJP14 will set here its login handler
*/
int (*logon) (ajp_endpoint_t * ae, jk_logger_t *l);
/* Reclycle inactive connections */
int recycle_timeout;
/*
* Handle Socket Timeouts
*/
int socket_timeout;
int keepalive;
int socket_buf;
/*
* Handle Cache Timeouts
*/
int cache_timeout;
/*
* Handle Connection/Reply Timeouts
*/
int connect_timeout; /* connect cping/cpong delay in ms (0 means disabled) */
int reply_timeout; /* reply timeout delay in ms (0 means disabled) */
int prepost_timeout; /* before sending a request cping/cpong timeout delay in ms (0 means disabled) */
/*
* Recovery option
*/
unsigned recovery_opts; /* Set the recovery option */
};
/*
* endpoint, the remote connector which does the work
*/
struct ajp_endpoint
{
ajp_worker_t *worker;
jk_pool_t pool;
jk_pool_atom_t buf[BIG_POOL_SIZE];
int proto; /* PROTOCOL USED AJP13/AJP14 */
int sd;
int reuse;
jk_endpoint_t endpoint;
unsigned int left_bytes_to_send;
/* time of the last request
handled by this endpoint */
time_t last_access;
};
/*
* little struct to avoid multiples ptr passing
* this struct is ready to hold upload file fd
* to add upload persistant storage
*/
struct ajp_operation
{
jk_msg_buf_t *request; /* original request storage */
jk_msg_buf_t *reply; /* reply storage (chuncked by ajp13 */
jk_msg_buf_t *post; /* small post data storage area */
int uploadfd; /* future persistant storage id */
int recoverable; /* if exchange could be conducted on another TC */
};
/*
* Functions
*/
int ajp_validate(jk_worker_t *pThis,
jk_map_t *props,
jk_worker_env_t *we, jk_logger_t *l, int proto);
int ajp_init(jk_worker_t *pThis,
jk_map_t *props,
jk_worker_env_t *we, jk_logger_t *l, int proto);
int ajp_destroy(jk_worker_t **pThis, jk_logger_t *l, int proto);
int JK_METHOD ajp_done(jk_endpoint_t **e, jk_logger_t *l);
int ajp_get_endpoint(jk_worker_t *pThis,
jk_endpoint_t **pend, jk_logger_t *l, int proto);
int ajp_connect_to_endpoint(ajp_endpoint_t * ae, jk_logger_t *l);
void ajp_close_endpoint(ajp_endpoint_t * ae, jk_logger_t *l);
int ajp_connection_tcp_send_message(ajp_endpoint_t * ae,
jk_msg_buf_t *msg, jk_logger_t *l);
int ajp_connection_tcp_get_message(ajp_endpoint_t * ae,
jk_msg_buf_t *msg, jk_logger_t *l);
int JK_METHOD ajp_maintain(jk_worker_t *pThis, jk_logger_t *l);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* JK_AJP_COMMON_H */
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