tcl_rep.c
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:10k
- /*-
- * See the file LICENSE for redistribution information.
- *
- * Copyright (c) 1999-2002
- * Sleepycat Software. All rights reserved.
- */
- #include "db_config.h"
- #ifndef lint
- static const char revid[] = "$Id: tcl_rep.c,v 11.85 2002/08/06 04:45:44 bostic Exp $";
- #endif /* not lint */
- #ifndef NO_SYSTEM_INCLUDES
- #include <sys/types.h>
- #include <stdlib.h>
- #include <string.h>
- #include <tcl.h>
- #endif
- #include "db_int.h"
- #include "dbinc/tcl_db.h"
- #if CONFIG_TEST
- /*
- * tcl_RepElect --
- * Call DB_ENV->rep_elect().
- *
- * PUBLIC: int tcl_RepElect
- * PUBLIC: __P((Tcl_Interp *, int, Tcl_Obj * CONST *, DB_ENV *));
- */
- int
- tcl_RepElect(interp, objc, objv, dbenv)
- Tcl_Interp *interp; /* Interpreter */
- int objc; /* How many arguments? */
- Tcl_Obj *CONST objv[]; /* The argument objects */
- DB_ENV *dbenv; /* Environment pointer */
- {
- int eid, nsites, pri, result, ret;
- u_int32_t timeout;
- if (objc != 5) {
- Tcl_WrongNumArgs(interp, 5, objv, "nsites pri timeout");
- return (TCL_ERROR);
- }
- if ((result = Tcl_GetIntFromObj(interp, objv[2], &nsites)) != TCL_OK)
- return (result);
- if ((result = Tcl_GetIntFromObj(interp, objv[3], &pri)) != TCL_OK)
- return (result);
- if ((result = _GetUInt32(interp, objv[4], &timeout)) != TCL_OK)
- return (result);
- _debug_check();
- if ((ret = dbenv->rep_elect(dbenv, nsites, pri, timeout, &eid)) != 0)
- return (_ReturnSetup(interp, ret, DB_RETOK_STD(ret),
- "env rep_elect"));
- Tcl_SetObjResult(interp, Tcl_NewIntObj(eid));
- return (TCL_OK);
- }
- #endif
- #if CONFIG_TEST
- /*
- * tcl_RepFlush --
- * Call DB_ENV->rep_flush().
- *
- * PUBLIC: int tcl_RepFlush
- * PUBLIC: __P((Tcl_Interp *, int, Tcl_Obj * CONST *, DB_ENV *));
- */
- int
- tcl_RepFlush(interp, objc, objv, dbenv)
- Tcl_Interp *interp;
- int objc;
- Tcl_Obj *CONST objv[];
- DB_ENV *dbenv;
- {
- int ret;
- if (objc != 2) {
- Tcl_WrongNumArgs(interp, 2, objv, "");
- return TCL_ERROR;
- }
- _debug_check();
- ret = dbenv->rep_flush(dbenv);
- return (_ReturnSetup(interp, ret, DB_RETOK_STD(ret), "env rep_flush"));
- }
- #endif
- #if CONFIG_TEST
- /*
- * tcl_RepLimit --
- * Call DB_ENV->set_rep_limit().
- *
- * PUBLIC: int tcl_RepLimit
- * PUBLIC: __P((Tcl_Interp *, int, Tcl_Obj * CONST *, DB_ENV *));
- */
- int
- tcl_RepLimit(interp, objc, objv, dbenv)
- Tcl_Interp *interp; /* Interpreter */
- int objc; /* How many arguments? */
- Tcl_Obj *CONST objv[]; /* The argument objects */
- DB_ENV *dbenv; /* Environment pointer */
- {
- int result, ret;
- u_int32_t bytes, gbytes;
- if (objc != 4) {
- Tcl_WrongNumArgs(interp, 4, objv, "gbytes bytes");
- return (TCL_ERROR);
- }
- if ((result = _GetUInt32(interp, objv[2], &gbytes)) != TCL_OK)
- return (result);
- if ((result = _GetUInt32(interp, objv[3], &bytes)) != TCL_OK)
- return (result);
- _debug_check();
- if ((ret = dbenv->set_rep_limit(dbenv, gbytes, bytes)) != 0)
- return (_ReturnSetup(interp, ret, DB_RETOK_STD(ret),
- "env set_rep_limit"));
- return (_ReturnSetup(interp,
- ret, DB_RETOK_STD(ret), "env set_rep_limit"));
- }
- #endif
- #if CONFIG_TEST
- /*
- * tcl_RepRequest --
- * Call DB_ENV->set_rep_request().
- *
- * PUBLIC: int tcl_RepRequest
- * PUBLIC: __P((Tcl_Interp *, int, Tcl_Obj * CONST *, DB_ENV *));
- */
- int
- tcl_RepRequest(interp, objc, objv, dbenv)
- Tcl_Interp *interp; /* Interpreter */
- int objc; /* How many arguments? */
- Tcl_Obj *CONST objv[]; /* The argument objects */
- DB_ENV *dbenv; /* Environment pointer */
- {
- int result, ret;
- u_int32_t min, max;
- if (objc != 4) {
- Tcl_WrongNumArgs(interp, 4, objv, "min max");
- return (TCL_ERROR);
- }
- if ((result = _GetUInt32(interp, objv[2], &min)) != TCL_OK)
- return (result);
- if ((result = _GetUInt32(interp, objv[3], &max)) != TCL_OK)
- return (result);
- _debug_check();
- if ((ret = dbenv->set_rep_request(dbenv, min, max)) != 0)
- return (_ReturnSetup(interp, ret, DB_RETOK_STD(ret),
- "env set_rep_request"));
- return (_ReturnSetup(interp,
- ret, DB_RETOK_STD(ret), "env set_rep_request"));
- }
- #endif
- #if CONFIG_TEST
- /*
- * tcl_RepStart --
- * Call DB_ENV->rep_start().
- *
- * PUBLIC: int tcl_RepStart
- * PUBLIC: __P((Tcl_Interp *, int, Tcl_Obj * CONST *, DB_ENV *));
- *
- * Note that this normally can/should be achieved as an argument to
- * berkdb env, but we need to test forcible upgrading of clients, which
- * involves calling this on an open environment handle.
- */
- int
- tcl_RepStart(interp, objc, objv, dbenv)
- Tcl_Interp *interp; /* Interpreter */
- int objc; /* How many arguments? */
- Tcl_Obj *CONST objv[]; /* The argument objects */
- DB_ENV *dbenv;
- {
- static char *tclrpstrt[] = {
- "-client",
- "-master",
- NULL
- };
- enum tclrpstrt {
- TCL_RPSTRT_CLIENT,
- TCL_RPSTRT_MASTER
- };
- char *arg;
- int i, optindex, ret;
- u_int32_t flag;
- flag = 0;
- if (objc != 3) {
- Tcl_WrongNumArgs(interp, 3, objv, "[-master/-client]");
- return (TCL_ERROR);
- }
- i = 2;
- while (i < objc) {
- if (Tcl_GetIndexFromObj(interp, objv[i], tclrpstrt,
- "option", TCL_EXACT, &optindex) != TCL_OK) {
- arg = Tcl_GetStringFromObj(objv[i], NULL);
- if (arg[0] == '-')
- return (IS_HELP(objv[i]));
- else
- Tcl_ResetResult(interp);
- break;
- }
- i++;
- switch ((enum tclrpstrt)optindex) {
- case TCL_RPSTRT_CLIENT:
- flag |= DB_REP_CLIENT;
- break;
- case TCL_RPSTRT_MASTER:
- flag |= DB_REP_MASTER;
- break;
- }
- }
- _debug_check();
- ret = dbenv->rep_start(dbenv, NULL, flag);
- return (_ReturnSetup(interp, ret, DB_RETOK_STD(ret), "env rep_start"));
- }
- #endif
- #if CONFIG_TEST
- /*
- * tcl_RepProcessMessage --
- * Call DB_ENV->rep_process_message().
- *
- * PUBLIC: int tcl_RepProcessMessage
- * PUBLIC: __P((Tcl_Interp *, int, Tcl_Obj * CONST *, DB_ENV *));
- */
- int
- tcl_RepProcessMessage(interp, objc, objv, dbenv)
- Tcl_Interp *interp; /* Interpreter */
- int objc; /* How many arguments? */
- Tcl_Obj *CONST objv[]; /* The argument objects */
- DB_ENV *dbenv; /* Environment pointer */
- {
- DBT control, rec;
- Tcl_Obj *res;
- void *ctmp, *rtmp;
- int eid;
- int freectl, freerec, result, ret;
- if (objc != 5) {
- Tcl_WrongNumArgs(interp, 5, objv, "id control rec");
- return (TCL_ERROR);
- }
- freectl = freerec = 0;
- memset(&control, 0, sizeof(control));
- memset(&rec, 0, sizeof(rec));
- if ((result = Tcl_GetIntFromObj(interp, objv[2], &eid)) != TCL_OK)
- return (result);
- ret = _CopyObjBytes(interp, objv[3], &ctmp,
- &control.size, &freectl);
- if (ret != 0) {
- result = _ReturnSetup(interp, ret,
- DB_RETOK_REPPMSG(ret), "rep_proc_msg");
- return (result);
- }
- control.data = ctmp;
- ret = _CopyObjBytes(interp, objv[4], &rtmp,
- &rec.size, &freerec);
- if (ret != 0) {
- result = _ReturnSetup(interp, ret,
- DB_RETOK_REPPMSG(ret), "rep_proc_msg");
- goto out;
- }
- rec.data = rtmp;
- _debug_check();
- ret = dbenv->rep_process_message(dbenv, &control, &rec, &eid);
- result = _ReturnSetup(interp, ret, DB_RETOK_REPPMSG(ret),
- "env rep_process_message");
- /*
- * If we have a new master, return its environment ID.
- *
- * XXX
- * We should do something prettier to differentiate success
- * from an env ID, and figure out how to represent HOLDELECTION.
- */
- if (result == TCL_OK && ret == DB_REP_NEWMASTER) {
- res = Tcl_NewIntObj(eid);
- Tcl_SetObjResult(interp, res);
- }
- out:
- if (freectl)
- (void)__os_free(NULL, ctmp);
- if (freerec)
- (void)__os_free(NULL, rtmp);
- return (result);
- }
- #endif
- #if CONFIG_TEST
- /*
- * tcl_RepStat --
- * Call DB_ENV->rep_stat().
- *
- * PUBLIC: int tcl_RepStat
- * PUBLIC: __P((Tcl_Interp *, int, Tcl_Obj * CONST *, DB_ENV *));
- */
- int
- tcl_RepStat(interp, objc, objv, dbenv)
- Tcl_Interp *interp; /* Interpreter */
- int objc; /* How many arguments? */
- Tcl_Obj *CONST objv[]; /* The argument objects */
- DB_ENV *dbenv;
- {
- DB_REP_STAT *sp;
- Tcl_Obj *myobjv[2], *res, *thislist, *lsnlist;
- u_int32_t flag;
- int myobjc, result, ret;
- char *arg;
- result = TCL_OK;
- flag = 0;
- if (objc > 3) {
- Tcl_WrongNumArgs(interp, 2, objv, NULL);
- return (TCL_ERROR);
- }
- if (objc == 3) {
- arg = Tcl_GetStringFromObj(objv[2], NULL);
- if (strcmp(arg, "-clear") == 0)
- flag = DB_STAT_CLEAR;
- else {
- Tcl_SetResult(interp,
- "db stat: unknown arg", TCL_STATIC);
- return (TCL_ERROR);
- }
- }
- _debug_check();
- ret = dbenv->rep_stat(dbenv, &sp, flag);
- result = _ReturnSetup(interp, ret, DB_RETOK_STD(ret),
- "rep stat");
- if (result == TCL_ERROR)
- return (result);
- /*
- * Have our stats, now construct the name value
- * list pairs and free up the memory.
- */
- res = Tcl_NewObj();
- /*
- * MAKE_STAT_* assumes 'res' and 'error' label.
- */
- MAKE_STAT_LSN("Next LSN expected", &sp->st_next_lsn);
- MAKE_STAT_LSN("First missed LSN", &sp->st_waiting_lsn);
- MAKE_STAT_LIST("Duplicate master conditions", sp->st_dupmasters);
- MAKE_STAT_LIST("Environment ID", sp->st_env_id);
- MAKE_STAT_LIST("Environment priority", sp->st_env_priority);
- MAKE_STAT_LIST("Generation number", sp->st_gen);
- MAKE_STAT_LIST("Duplicate log records received", sp->st_log_duplicated);
- MAKE_STAT_LIST("Current log records queued", sp->st_log_queued);
- MAKE_STAT_LIST("Maximum log records queued", sp->st_log_queued_max);
- MAKE_STAT_LIST("Total log records queued", sp->st_log_queued_total);
- MAKE_STAT_LIST("Log records received", sp->st_log_records);
- MAKE_STAT_LIST("Log records requested", sp->st_log_requested);
- MAKE_STAT_LIST("Master environment ID", sp->st_master);
- MAKE_STAT_LIST("Master changes", sp->st_master_changes);
- MAKE_STAT_LIST("Messages with bad generation number",
- sp->st_msgs_badgen);
- MAKE_STAT_LIST("Messages processed", sp->st_msgs_processed);
- MAKE_STAT_LIST("Messages ignored for recovery", sp->st_msgs_recover);
- MAKE_STAT_LIST("Message send failures", sp->st_msgs_send_failures);
- MAKE_STAT_LIST("Messages sent", sp->st_msgs_sent);
- MAKE_STAT_LIST("New site messages", sp->st_newsites);
- MAKE_STAT_LIST("Transmission limited", sp->st_nthrottles);
- MAKE_STAT_LIST("Outdated conditions", sp->st_outdated);
- MAKE_STAT_LIST("Transactions applied", sp->st_txns_applied);
- MAKE_STAT_LIST("Elections held", sp->st_elections);
- MAKE_STAT_LIST("Elections won", sp->st_elections_won);
- MAKE_STAT_LIST("Election phase", sp->st_election_status);
- MAKE_STAT_LIST("Election winner", sp->st_election_cur_winner);
- MAKE_STAT_LIST("Election generation number", sp->st_election_gen);
- MAKE_STAT_LSN("Election max LSN", &sp->st_election_lsn);
- MAKE_STAT_LIST("Election sites", sp->st_election_nsites);
- MAKE_STAT_LIST("Election priority", sp->st_election_priority);
- MAKE_STAT_LIST("Election tiebreaker", sp->st_election_tiebreaker);
- MAKE_STAT_LIST("Election votes", sp->st_election_votes);
- Tcl_SetObjResult(interp, res);
- error:
- free(sp);
- return (result);
- }
- #endif