Esempio n. 1
0
/* On OSF/1 (Digital Unix), pointers are 64 bits wide; the only exception to this is C programs for which one may
 * specify compiler and link editor options in order to use (and allocate) 32-bit pointers.  However, since C is
 * the only exception and, in particular because the operating system does not support such an exception, the argv
 * array passed to the main program is an array of 64-bit pointers.  Thus the C program needs to declare argv[]
 * as an array of 64-bit pointers and needs to do the same for any pointer it sets to an element of argv[].
 */
int main(int argc, char_ptr_t argv[])
{
	omi_conn_ll	conns;
	bool	  	set_pset();
	int 		ret_val;
	DCL_THREADGBL_ACCESS;

	GTM_THREADGBL_INIT;
	ctxt = NULL;
	common_startup_init(GTCM_SERVER_IMAGE);
	SPRINTF(image_id,"%s=gtcm_server", image_id);
#	ifdef SEQUOIA
	if (!set_pset())
		exit(-1);
#	endif
	/*  Initialize everything but the network */
	err_init(gtcm_exit_ch);
	gtm_chk_dist(argv[0]);
	omi_errno = OMI_ER_NO_ERROR;
	ctxt = ctxt;
	ESTABLISH_RET(omi_dbms_ch, -1);	/* any return value to signify error return */
	gtcm_init(argc, argv);
	gtcm_ltime = gtcm_stime = (int4)time(0);
#	ifdef GTCM_RC
	rc_create_cpt();
#	endif
	REVERT;
	if (OMI_ER_NO_ERROR != omi_errno)
		exit(omi_errno);
	/*  Initialize the network interface */
	if (0 != (ret_val = gtcm_bgn_net(&conns)))	/* Warning - assignment */
	{
		gtcm_rep_err("Error initializing TCP", ret_val);
		gtcm_exi_condition = ret_val;
		gtcm_exit();
	}
	SPRINTF(image_id,"%s(pid=%d) %s %s %s -id %d -service %s",
		image_id,
		omi_pid,
		( history ? "-hist" : "" ),
		( authenticate ? "-auth" : "" ),
		( ping_keepalive ? "-ping" : "" ),
		rc_server_id,
		omi_service
		);
	OPERATOR_LOG_MSG;
	omi_conns = &conns;
	/*  Should be forever, unless an error occurs */
	gtcm_loop(&conns);
	/*  Clean up */
	gtcm_end_net(&conns);
	gtcm_exit();
	return 0;
}
Esempio n. 2
0
/* On OSF/1 (Digital Unix), pointers are 64 bits wide; the only exception to this is C programs for which one may
 * specify compiler and link editor options in order to use (and allocate) 32-bit pointers.  However, since C is
 * the only exception and, in particular because the operating system does not support such an exception, the argv
 * array passed to the main program is an array of 64-bit pointers.  Thus the C program needs to declare argv[]
 * as an array of 64-bit pointers and needs to do the same for any pointer it sets to an element of argv[].
 */
void gtcm_init(int argc, char_ptr_t argv[])
{
	char			*ptr;
	struct sigaction 	ignore, act;
	void			get_page_size();
	int		  	pid;
	char			msg[256];
	int			save_errno, maxfds;

	/*  Disassociate from the rest of the universe */
	get_page_size();
	gtm_wcswidth_fnptr = gtm_wcswidth;
#	ifndef GTCM_DEBUG_NOBACKGROUND
	FORK(pid);
	if (0 > pid)
	{
		save_errno = errno;
		SPRINTF(msg, "Unable to detach %s from controlling tty", SRVR_NAME);
		gtcm_rep_err(msg, save_errno);
		EXIT(-1);
	}
	else if (0 < pid)
		EXIT(0);
	(void) setpgrp();
#	endif
	/* Initialize logging */
	omi_pid = getpid();
	/*  Initialize signals */
	sigemptyset(&act.sa_mask);
	act.sa_flags = 0;
	ignore = act;
	ignore.sa_handler = SIG_IGN;
	act.sa_handler = (void (*)()) gtcm_term;
	(void) sigaction(SIGTERM, &act, 0);
	act.sa_handler = (void (*)()) gtcm_dmpstat;
	(void) sigaction(SIGUSR1, &act, 0);

	(void) sigaction(SIGUSR2, &ignore, 0);
	(void) sigaction(SIGALRM, &ignore, 0);
	(void) sigaction(SIGPIPE, &ignore, 0);
	(void) sigaction(SIGINT, &ignore, 0);
#	ifdef GTCM_RC
	act.sa_handler = gtcm_fail;
	act.sa_flags = SA_RESETHAND;
	/* restore signal handler to default action upon receipt
	   of signal */
	(void) sigaction(SIGSEGV, &act, 0);
	(void) sigaction(SIGBUS, &act, 0);
	(void) sigaction(SIGILL, &act, 0);
	(void) sigaction(SIGTRAP, &act, 0);
	(void) sigaction(SIGABRT, &act, 0);
#	ifndef __linux__
	(void) sigaction(SIGEMT, &act, 0);
	(void) sigaction(SIGSYS, &act, 0);
#	endif
#	endif
	/*  Initialize the process flags */
	if (0 != gtcm_prsopt(argc, argv))
		EXIT(-1);
	/* Write down pid into log file */
	 OMI_DBG((omi_debug, "GTCM_SERVER pid : %d\n", omi_pid));
	/* Initialize history mechanism */
	if (history)
	{
		init_hist();
		act.sa_handler = (void (*)())dump_rc_hist;
		act.sa_flags = 0;
		(void) sigaction(SIGUSR2, &act, 0);
	}
	/*  Initialize the DBMS */
	licensed = TRUE;
	getjobnum();
	getzdir();
	if ((maxfds = getmaxfds()) < 0)
	{
		gtcm_rep_err("Unable to get system resource limits", errno);
		EXIT(errno);
	}
	assert(SIZEOF(gtcm_ast_avail) == 2);	/* check that short is size 2 bytes as following code relies on that */
	gtcm_ast_avail = (maxfds > MAXINT2) ? MAXINT2 : maxfds;
	stp_init(STP_INITSIZE);
	rts_stringpool = stringpool;
	curr_pattern = pattern_list = &mumps_pattern;
	pattern_typemask = mumps_pattern.typemask;
	INVOKE_INIT_SECSHR_ADDRS;
	initialize_pattern_table();
	/* Preallocate some timer blocks. */
	prealloc_gt_timers();
	gt_timers_add_safe_hndlrs();
	/* Moved to omi_gvextnam, omi_lkextnam */
	/*    gvinit(); */
	return;
}
Esempio n. 3
0
short rc_fnd_file(rc_xdsid *xdsid)
{
	gv_namehead	*g;
	short		dsid, node;
	gd_binding	*map;
	char		buff[1024], *cp, *cp1;
	mstr		fpath1, fpath2;
	mval		v;
	int		i, keysize;
	int             len, node2;

	GET_SHORT(dsid, &xdsid->dsid.value);
	GET_SHORT(node, &xdsid->node.value);
	if (!dsid_list)
	{
		/*	open special database, set up entry */
		dsid_list = (rc_dsid_list *)malloc(SIZEOF(rc_dsid_list));
		dsid_list->dsid = RC_NSPACE_DSID;
		dsid_list->next = NULL;
		fpath1.addr = RC_NSPACE_PATH;
		fpath1.len = SIZEOF(RC_NSPACE_PATH);
		if (SS_NORMAL != TRANS_LOG_NAME(&fpath1, &fpath2, buff, SIZEOF(buff), do_sendmsg_on_log2long))
		{
			char msg[256];
			SPRINTF(msg, "Invalid DB filename, \"%s\"", fpath1.addr);
			gtcm_rep_err(msg, errno);
			return RC_BADFILESPEC;
		}
		if (fpath2.len > MAX_FN_LEN)
			return RC_BADFILESPEC;
		dsid_list->fname = (char *)malloc(fpath2.len + 1);
		memcpy(dsid_list->fname, fpath2.addr, fpath2.len);
		*((char*)(dsid_list->fname + fpath2.len)) = 0;
		gv_cur_region = (gd_region *)malloc(SIZEOF(gd_region));
		memset(gv_cur_region, 0, SIZEOF(gd_region));
		gv_cur_region->dyn.addr = (gd_segment *)malloc(SIZEOF(gd_segment));
		memset(gv_cur_region->dyn.addr, 0, SIZEOF(gd_segment));
		memcpy(gv_cur_region->dyn.addr->fname, fpath2.addr, fpath2.len);
		gv_cur_region->dyn.addr->fname_len = fpath2.len;
		gv_cur_region->dyn.addr->acc_meth = dba_bg;
		ESTABLISH_RET(rc_fnd_file_ch1, RC_SUCCESS);
		gvcst_init(gv_cur_region);
		REVERT;
		change_reg();
		/* check to see if this DB has the reserved bytes field set
		 * correctly.  Global pages must always have some extra unused
		 * space left in them (RC_RESERVED bytes) so that the page
		 * will fit into the client buffer when unpacked by the
		 * client.
		 */
		if (cs_data->reserved_bytes < RC_RESERVED)
		{
			OMI_DBG((omi_debug,
			"Unable to access database file:  \"%s\"\nReserved_bytes field in the file header is too small for GT.CM\n",
			fpath2.addr));
			free(dsid_list->fname);
			dsid_list->fname = NULL;
			free(dsid_list);
			dsid_list = NULL;
			free(gv_cur_region->dyn.addr);
			gv_cur_region->dyn.addr = NULL;
			free(gv_cur_region);
			gv_cur_region = NULL;
			return RC_FILEACCESS;
		}
		gv_keysize = DBKEYSIZE(gv_cur_region->max_key_size);
		GVKEY_INIT(gv_currkey, gv_keysize);
		GVKEY_INIT(gv_altkey, gv_keysize);
		cs_addrs->dir_tree = (gv_namehead *)malloc(SIZEOF(gv_namehead) + 2 * SIZEOF(gv_key) + 3 * (gv_keysize - 1));
		g = cs_addrs->dir_tree;
		g->first_rec = (gv_key*)(g->clue.base + gv_keysize);
		g->last_rec = (gv_key*)(g->first_rec->base + gv_keysize);
		g->clue.top = g->last_rec->top = g->first_rec->top = gv_keysize;
		g->clue.prev = g->clue.end = 0;
		g->root = DIR_ROOT;
		dsid_list->gda = (gd_addr*)malloc(SIZEOF(gd_addr) + 3 * SIZEOF(gd_binding));
		dsid_list->gda->n_maps = 3;
		dsid_list->gda->n_regions = 1;
		dsid_list->gda->n_segments = 1;
		dsid_list->gda->maps = (gd_binding*)((char*)dsid_list->gda + SIZEOF(gd_addr));
		dsid_list->gda->max_rec_size = gv_cur_region->max_rec_size;
		map = dsid_list->gda->maps;
		map ++;
		memset(map->name, 0, SIZEOF(map->name));
		map->name[0] = '%';
		map->reg.addr = gv_cur_region;
		map++;
		map->reg.addr = gv_cur_region;
		memset(map->name, -1, SIZEOF(map->name));
		dsid_list->gda->tab_ptr = (hash_table_mname *)malloc(SIZEOF(hash_table_mname));
		init_hashtab_mname(dsid_list->gda->tab_ptr, 0, HASHTAB_NO_COMPACT, HASHTAB_NO_SPARE_TABLE);
		change_reg();
		if (rc_overflow->top < cs_addrs->hdr->blk_size)
		{
			if (rc_overflow->buff)
				free(rc_overflow->buff);
			rc_overflow->top = cs_addrs->hdr->blk_size;
			rc_overflow->buff = (char*)malloc(rc_overflow->top);
			if (rc_overflow_size < rc_overflow->top)
				rc_overflow_size = rc_overflow->top;
		}
	}
	for (fdi_ptr = dsid_list; fdi_ptr && (fdi_ptr->dsid != dsid); fdi_ptr = fdi_ptr->next)
		;
	if (!fdi_ptr)
	{	/*	need to open new database, add to list, set fdi_ptr */
		gd_header = dsid_list->gda;
		gv_currkey->end = 0;
		v.mvtype = MV_STR;
		v.str.len = RC_NSPACE_GLOB_LEN-1;
		v.str.addr = RC_NSPACE_GLOB;
		GV_BIND_NAME_AND_ROOT_SEARCH(gd_header, &v.str);
		if (!gv_target->root)	/* No namespace global */
			return RC_UNDEFNAMSPC;
		v.mvtype = MV_STR;
		v.str.len = SIZEOF(RC_NSPACE_DSI_SUB)-1;
		v.str.addr = RC_NSPACE_DSI_SUB;
		mval2subsc(&v,gv_currkey);
		node2 = node;
		MV_FORCE_MVAL(&v,node2);
		mval2subsc(&v,gv_currkey);
		i = dsid / 256;
		MV_FORCE_MVAL(&v,i);
		mval2subsc(&v,gv_currkey);
		if (gvcst_get(&v))
			return RC_UNDEFNAMSPC;
		for (cp = v.str.addr, i = 1; i < RC_FILESPEC_PIECE; i++)
			for (; *cp++ != RC_FILESPEC_DELIM; )
				;
		for (cp1 = cp; *cp1++ != RC_FILESPEC_DELIM; )
			;
		cp1--;
		len = (int)(cp1 - cp);
		if (len > MAX_FN_LEN)
			return RC_BADFILESPEC;
		fdi_ptr = (rc_dsid_list *)malloc(SIZEOF(rc_dsid_list));
		fdi_ptr->fname = (char *)malloc(len+1);
		fdi_ptr->dsid = dsid;
		memcpy(fdi_ptr->fname, cp, len);
		*(fdi_ptr->fname + (len)) = 0;
		gv_cur_region = (gd_region *)malloc(SIZEOF(gd_region));
		memset(gv_cur_region, 0, SIZEOF(gd_region));
		gv_cur_region->dyn.addr = (gd_segment *)malloc(SIZEOF(gd_segment));
		memset(gv_cur_region->dyn.addr, 0, SIZEOF(gd_segment));
		memcpy(gv_cur_region->dyn.addr->fname, cp, len);
		gv_cur_region->dyn.addr->fname_len = len;
		gv_cur_region->dyn.addr->acc_meth = dba_bg;
		ESTABLISH_RET(rc_fnd_file_ch2, RC_SUCCESS);
		gvcst_init(gv_cur_region);
		REVERT;
		change_reg();
		/* check to see if this DB has the reserved bytes field set
		 * correctly.  Global pages must always have some extra unused
		 * space left in them (RC_RESERVED bytes) so that the page
		 * will fit into the client buffer when unpacked by the
		 * client.
		 */
		if (cs_data->reserved_bytes < RC_RESERVED)
		{
			OMI_DBG((omi_debug,
			"Unable to access database file:  \"%s\"\nReserved_bytes field in the file header is too small for GT.CM\n",
			fdi_ptr->fname));
			free(dsid_list->fname);
			dsid_list->fname = NULL;
			free(dsid_list);
			dsid_list = NULL;
			free(gv_cur_region->dyn.addr);
			gv_cur_region->dyn.addr = NULL;
			free(gv_cur_region);
			gv_cur_region = NULL;
			return RC_FILEACCESS;
		}
		assert(!cs_addrs->hold_onto_crit);	/* this ensures we can safely do unconditional grab_crit and rel_crit */
		grab_crit(gv_cur_region);
		cs_data->rc_srv_cnt++;
		if (!cs_data->dsid)
		{
			cs_data->dsid = dsid;
			cs_data->rc_node = node;
		} else if (cs_data->dsid != dsid || cs_data->rc_node != node)
		{
			cs_data->rc_srv_cnt--;
			rel_crit(gv_cur_region);
			OMI_DBG((omi_debug, "Dataset ID/RC node mismatch"));
			OMI_DBG((omi_debug, "DB file:  \"%s\"\n", dsid_list->fname));
			OMI_DBG((omi_debug, "Stored DSID:  %d\tRC Node:  %d\n", cs_data->dsid, cs_data->rc_node));
			OMI_DBG((omi_debug, "RC Rq DSID:  %d\tRC Node:  %d\n", dsid,node));
			free(fdi_ptr->fname);
			fdi_ptr->fname = NULL;
			free(fdi_ptr);
			fdi_ptr = NULL;
			free(gv_cur_region->dyn.addr);
			gv_cur_region->dyn.addr = NULL;
			free(gv_cur_region);
			gv_cur_region = NULL;
			return RC_FILEACCESS;
		}
		rel_crit(gv_cur_region);
		keysize = DBKEYSIZE(gv_cur_region->max_key_size);
		GVKEYSIZE_INCREASE_IF_NEEDED(keysize);
		cs_addrs->dir_tree = (gv_namehead *)malloc(SIZEOF(gv_namehead) + 2 * SIZEOF(gv_key) + 3 * (keysize - 1));
		g = cs_addrs->dir_tree;
		g->first_rec = (gv_key*)(g->clue.base + keysize);
		g->last_rec = (gv_key*)(g->first_rec->base + keysize);
		g->clue.top = g->last_rec->top = g->first_rec->top = keysize;
		g->clue.prev = g->clue.end = 0;
		g->root = DIR_ROOT;
		fdi_ptr->gda = (gd_addr*)malloc(SIZEOF(gd_addr) + 3 * SIZEOF(gd_binding));
		fdi_ptr->gda->n_maps = 3;
		fdi_ptr->gda->n_regions = 1;
		fdi_ptr->gda->n_segments = 1;
		fdi_ptr->gda->maps = (gd_binding*)((char*)fdi_ptr->gda + SIZEOF(gd_addr));
		fdi_ptr->gda->max_rec_size = gv_cur_region->max_rec_size;
		map = fdi_ptr->gda->maps;
		map ++;
		memset(map->name, 0, SIZEOF(map->name));
		map->name[0] = '%';
		map->reg.addr = gv_cur_region;
		map++;
		map->reg.addr = gv_cur_region;
		memset(map->name, -1, SIZEOF(map->name));
		fdi_ptr->gda->tab_ptr = (hash_table_mname *)malloc(SIZEOF(hash_table_mname));
		init_hashtab_mname(fdi_ptr->gda->tab_ptr, 0, HASHTAB_NO_COMPACT, HASHTAB_NO_SPARE_TABLE);
		fdi_ptr->next = dsid_list->next;
		dsid_list->next = fdi_ptr;
	}
	gv_cur_region = fdi_ptr->gda->maps[1].reg.addr;
	change_reg();
	if (rc_overflow->top < cs_addrs->hdr->blk_size)
	{
		if (rc_overflow->buff)
			free(rc_overflow->buff);
		rc_overflow->top = cs_addrs->hdr->blk_size;
		rc_overflow->buff = (char*)malloc(rc_overflow->top);
		if (rc_overflow_size < rc_overflow->top)
			rc_overflow_size = rc_overflow->top;
	}
	if (!rc_overflow -> top)
	{
		rc_overflow -> top = rc_overflow_size;
		rc_overflow->buff = (char *)malloc(rc_overflow->top);
	}
	gd_header = fdi_ptr->gda;
	return RC_SUCCESS;
}