mirror of
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Remove unneeded module "com"
BitKeeper/deleted/.del-Makefile.am~2b013aa835a140c4:
Delete: innobase/com/Makefile.am
BitKeeper/deleted/.del-com0com.c~473a1f0f440ce91b:
Delete: innobase/com/com0com.c
BitKeeper/deleted/.del-com0shm.c~6a16f0c3d81de1f:
Delete: innobase/com/com0shm.c
BitKeeper/deleted/.del-makefilewin~3e26f0df100887f2:
Delete: innobase/com/makefilewin
BitKeeper/deleted/.del-com0com.h~533a7eaa16ec585a:
Delete: innobase/include/com0com.h
BitKeeper/deleted/.del-com0com.ic~671e309916e285b:
Delete: innobase/include/com0com.ic
BitKeeper/deleted/.del-com0shm.h~5f3df7c04221b0fe:
Delete: innobase/include/com0shm.h
BitKeeper/deleted/.del-com0shm.ic~f827cfca1603fa6b:
Delete: innobase/include/com0shm.ic
innobase/configure.in:
Remove com/Makefile
innobase/include/Makefile.am:
Remove com*.h
innobase/include/usr0sess.h:
Remove unused communication functions
innobase/include/usr0sess.ic:
Remove unused communication functions
innobase/include/usr0types.h:
Remove sess_sys_t and sess_sig_t
innobase/usr/usr0sess.c:
Remove unused functions
innobase/dict/dict0crea.c:
Remove unneeded params of que_fork_start_command()
innobase/include/que0que.h:
Remove unneeded params of que_fork_start_command()
innobase/row/row0mysql.c:
Remove unneeded params of que_fork_start_command()
innobase/include/srv0srv.h:
Remove references to the com module
innobase/srv/srv0srv.c:
Remove references to the com module
Remove unused vars srv_n_{com,worker}_threads
Make some global vars static
innobase/que/que0que.c:
Remove references to odbc
Add #ifdef UNIV_SYNC_DEBUG around some ut_ad()
Remove unneeded params of que_fork_start_command()
Remove unreachable code
Output diagnostics to stderr, not stdout
innobase/include/trx0trx.h:
Remove unneeded params of trx_sig_send() and trx_sig_reply()
innobase/trx/trx0trx.c:
Remove unneeded params of trx_sig_send() and trx_sig_reply()
Remove params of sess_open()
innobase/srv/srv0start.c:
Remove reference to com0com.h
Remove call to sess_sys_init_at_db_start()
innobase/trx/trx0purge.c:
Remove references to the com module
Remove params of sess_open()
Remove unneeded params of que_fork_start_command()
innobase/trx/trx0roll.c:
Remove params of sess_open()
Remove unneeded params of que_fork_start_command()
Remove unneeded params of trx_sig_send() and trx_sig_reply()
This commit is contained in:
unknown
@ -11,7 +11,6 @@ Created 6/25/1996 Heikki Tuuri
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#include "univ.i"
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#include "ut0byte.h"
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#include "hash0hash.h"
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#include "trx0types.h"
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#include "srv0srv.h"
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#include "trx0types.h"
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@ -19,52 +18,14 @@ Created 6/25/1996 Heikki Tuuri
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#include "que0types.h"
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#include "data0data.h"
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#include "rem0rec.h"
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#include "com0com.h"
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/* The session system global data structure */
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extern sess_sys_t* sess_sys;
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/*************************************************************************
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Sets the session id in a client message. */
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void
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sess_cli_msg_set_sess(
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/*==================*/
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byte* str, /* in/out: message string */
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dulint sess_id);/* in: session id */
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/***************************************************************************
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Sets the message type of a message from the client. */
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UNIV_INLINE
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void
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sess_cli_msg_set_type(
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/*==================*/
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byte* str, /* in: message string */
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ulint type); /* in: message type */
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/***************************************************************************
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Gets the message type of a message from the server. */
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UNIV_INLINE
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ulint
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sess_srv_msg_get_type(
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/*==================*/
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/* out: message type */
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byte* str); /* in: message string */
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/***************************************************************************
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Creates a session sytem at database start. */
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void
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sess_sys_init_at_db_start(void);
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/*===========================*/
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/*************************************************************************
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Opens a session. */
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sess_t*
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sess_open(
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/*======*/
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sess_open(void);
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/*============*/
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/* out, own: session object */
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com_endpoint_t* endpoint, /* in: communication endpoint used
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for communicating with the client */
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byte* addr_buf, /* in: client address */
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ulint addr_len); /* in: client address length */
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/*************************************************************************
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Closes a session, freeing the memory occupied by it, if it is in a state
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where it should be closed. */
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@ -74,200 +35,25 @@ sess_try_close(
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/*===========*/
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/* out: TRUE if closed */
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sess_t* sess); /* in, own: session object */
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/*************************************************************************
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Initializes the first fields of a message to client. */
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void
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sess_srv_msg_init(
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/*==============*/
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sess_t* sess, /* in: session object */
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byte* buf, /* in: message buffer, must be at least of size
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SESS_SRV_MSG_DATA */
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ulint type); /* in: message type */
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/*************************************************************************
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Sends a simple message to client. */
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void
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sess_srv_msg_send_simple(
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/*=====================*/
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sess_t* sess, /* in: session object */
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ulint type, /* in: message type */
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ulint rel_kernel); /* in: SESS_RELEASE_KERNEL or
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SESS_NOT_RELEASE_KERNEL */
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/***************************************************************************
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When a command has been completed, this function sends the message about it
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to the client. */
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void
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sess_command_completed_message(
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/*===========================*/
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sess_t* sess, /* in: session */
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byte* msg, /* in: message buffer */
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ulint len); /* in: message data length */
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/* The session handle. All fields are protected by the kernel mutex */
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struct sess_struct{
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dulint id; /* session id */
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dulint usr_id; /* user id */
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hash_node_t hash; /* hash chain node */
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ulint refer_count; /* reference count to the session
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object: when this drops to zero
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and the session has no query graphs
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left, discarding the session object
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is allowed */
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dulint error_count; /* if this counter has increased while
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a thread is parsing an SQL command,
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its graph should be discarded */
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ibool disconnecting; /* TRUE if the session is to be
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disconnected when its reference
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count drops to 0 */
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ulint state; /* state of the session */
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dulint msgs_sent; /* count of messages sent to the
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client */
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dulint msgs_recv; /* count of messages received from the
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client */
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ibool client_waits; /* when the session receives a message
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from the client, this set to TRUE, and
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when the session sends a message to
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the client this is set to FALSE */
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trx_t* trx; /* transaction object permanently
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assigned for the session: the
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transaction instance designated by the
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trx id changes, but the memory
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structure is preserved */
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ulint next_graph_id; /* next query graph id to assign */
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UT_LIST_BASE_NODE_T(que_t)
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graphs; /* query graphs belonging to this
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session */
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/*------------------------------*/
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ulint err_no; /* latest error number, 0 if none */
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char* err_str; /* latest error string */
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ulint err_len; /* error string length */
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/*------------------------------*/
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com_endpoint_t* endpoint; /* server communications endpoint used
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to communicate with the client */
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char* addr_buf; /* client address string */
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ulint addr_len; /* client address string length */
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/*------------------------------*/
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byte* big_msg; /* if the client sends a message which
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does not fit in a single packet,
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it is assembled in this buffer; if
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this field is not NULL, it is assumed
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that the message should be catenated
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here */
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ulint big_msg_size; /* size of the big message buffer */
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ulint big_msg_len; /* length of data in the big message
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buffer */
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};
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/* The session system; this is protected by the kernel mutex */
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struct sess_sys_struct{
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ulint state; /* state of the system:
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SESS_SYS_RUNNING or
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SESS_SYS_SHUTTING_DOWN */
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sess_t* shutdown_req; /* if shutdown was requested by some
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session, confirmation of shutdown
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completion should be sent to this
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session */
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dulint free_sess_id; /* first unused session id */
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hash_table_t* hash; /* hash table of the sessions */
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};
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/*---------------------------------------------------*/
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/* The format of an incoming message from a client */
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#define SESS_CLI_MSG_CHECKSUM 0 /* the checksum should be the first
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field in the message */
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#define SESS_CLI_MSG_SESS_ID 4 /* this is set to 0 if the client
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wants to connect and establish
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a new session */
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#define SESS_CLI_MSG_SESS_ID_CHECK 12 /* checksum of the sess id field */
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#define SESS_CLI_MSG_TYPE 16
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#define SESS_CLI_MSG_NO 20
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#define SESS_CLI_MSG_CONTINUE 28 /* 0, or SESS_MSG_FIRST_PART
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SESS_MSG_MIDDLE_PART, or
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SESS_MSG_LAST_PART */
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#define SESS_CLI_MSG_CONT_SIZE 32 /* size of a multipart message in
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kilobytes (rounded upwards) */
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#define SESS_CLI_MSG_DATA 36
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/*---------------------------------------------------*/
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/* Client-to-session message types */
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#define SESS_CLI_CONNECT 1
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#define SESS_CLI_PREPARE 2
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#define SESS_CLI_EXECUTE 3
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#define SESS_CLI_BREAK_EXECUTION 4
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/* Client-to-session statement command types */
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#define SESS_COMM_FETCH_NEXT 1
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#define SESS_COMM_FETCH_PREV 2
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#define SESS_COMM_FETCH_FIRST 3
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#define SESS_COMM_FETCH_LAST 4
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#define SESS_COMM_FETCH_NTH 5
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#define SESS_COMM_FETCH_NTH_LAST 6
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#define SESS_COMM_EXECUTE 7
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#define SESS_COMM_NO_COMMAND 8
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/*---------------------------------------------------*/
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/* The format of an outgoing message from a session to the client */
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#define SESS_SRV_MSG_CHECKSUM 0 /* the checksum should be the first
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field in the message */
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#define SESS_SRV_MSG_SESS_ID 4
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#define SESS_SRV_MSG_TYPE 12
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#define SESS_SRV_MSG_NO 16
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#define SESS_SRV_MSG_CONTINUE 24 /* 0, or SESS_MSG_FIRST_PART
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SESS_MSG_MIDDLE_PART, or
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SESS_MSG_LAST_PART */
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#define SESS_SRV_MSG_CONT_SIZE 28 /* size of a multipart message
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in kilobytes (rounded upward) */
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#define SESS_SRV_MSG_DATA 32
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/*---------------------------------------------------*/
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/* Session-to-client message types */
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#define SESS_SRV_ACCEPT_CONNECT 1
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#define SESS_SRV_SUCCESS 2
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#define SESS_SRV_ERROR 3
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/* Multipart messages */
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#define SESS_MSG_SINGLE_PART 0
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#define SESS_MSG_FIRST_PART 1
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#define SESS_MSG_MIDDLE_PART 2
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#define SESS_MSG_LAST_PART 3
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/* Error numbers */
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#define SESS_ERR_NONE 0
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#define SESS_ERR_TRX_COMMITTED 1
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#define SESS_ERR_TRX_ROLLED_BACK 2
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#define SESS_ERR_SESSION_DISCONNECTED 3
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#define SESS_ERR_REPLY_FAILED 4
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#define SESS_ERR_CANNOT_BREAK_OP 5
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#define SESS_ERR_MSG_LOST 6
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#define SESS_ERR_MSG_CORRUPTED 7
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#define SESS_ERR_EXTRANEOUS_MSG 8
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#define SESS_ERR_OUT_OF_MEMORY 9
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#define SESS_ERR_SQL_ERROR 10
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#define SESS_ERR_STMT_NOT_FOUND 11
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#define SESS_ERR_STMT_NOT_READY 12
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#define SESS_ERR_EXTRANEOUS_SRV_MSG 13
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#define SESS_ERR_BREAK_BY_CLIENT 14
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/* Session states */
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#define SESS_ACTIVE 1
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#define SESS_ERROR 2 /* session contains an error message
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which has not yet been communicated
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to the client */
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/* Session system states */
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#define SESS_SYS_RUNNING 1
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#define SESS_SYS_SHUTTING_DOWN 2
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/* Session hash table size */
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#define SESS_HASH_SIZE 1024
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/* Flags used in sess_srv_msg_send */
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#define SESS_RELEASE_KERNEL 1
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#define SESS_NOT_RELEASE_KERNEL 2
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#ifndef UNIV_NONINL
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#include "usr0sess.ic"
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#endif
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