[moira.git] / dcm / dcm.c

/*
 * The Data Control Manager for MOIRA.
 *
 * Copyright 1987, 1988 by the Massachusetts Institute of Technology.
 * For copying and distribution information, see the file
 * "mit-copyright.h".
 *
 * $Source$
 * $Author$
 * $Header$
 */

#ifndef lint
static char rcsid_dcm_c[] = "$Header$";
#endif lint

#include <stdio.h>
#include <update.h>
#include <sys/file.h>
#include <sys/time.h>
#include <sys/wait.h>
#include <signal.h>
#include <ctype.h>
#include <moira.h>
#include <moira_site.h>
#include "dcm.h"
#include "mit-copyright.h"

extern char *ctime();
extern char *getenv();
extern int log_flags;
extern char *error_message();
char *itoa();
int gqval();
long time();


/* declared global so that we can get the current time from different places. */
struct timeval tv;


main(argc, argv)
int argc;
char *argv[];
{
	int i;
	char **arg = argv;
	char *qargv[3];
	char *s;
	int status;

	whoami = argv[0];
	s = getenv("DEBUG");
	dbg = s ? atoi(s) : 0;
	umask(UMASK);
	log_flags = 0;
	setlinebuf(stderr);
	setlinebuf(stdout);
	
	while(++arg - argv < argc) {
	    if (**arg == '-')
		switch((*arg)[1]) {
		case 'd':
		    dbg =  atoi((*arg)[2]? *arg+2: *++arg);
		    break;
		}
	}
	set_com_err_hook(dcm_com_err_hook);
	
	/* if /etc/nodcm exists, punt quietly. */
	if (!access(NODCMFILE, F_OK)) {
		exit(1);
	} 

	if (status = mr_connect("")) {
	    com_err(whoami, status, " on mr_connect");
	    leave("connect failed");
	}

	if (status = mr_auth("dcm")) {
	    com_err(whoami, status, " on \"authenticate\"");
	    leave("auth failed");
	}

	/* if DCM is not enabled, exit after logging */
	qargv[0] = "dcm_enable";
	if (status = mr_query("get_value", 1, qargv, gqval, &i)) {
	    com_err(whoami, status, " check dcm_enable");
	    leave("query failed");
	}
	if (i == 0) {
	    errno = 0;
	    leave("dcm_enable not set");
	} 

	/* do it! */
	do_services();
	errno = 0;
	leave("");
}


/* Used by the get_value query when checking for dcm_enable. */

gqval(argc, argv, hint)
int argc;
char **argv;
int *hint;
{
    *hint = atoi(argv[0]);
    return(UPCALL_STOP);
}


/* Used by qualified_get_server to make a list of servers to check */

qgetsv(argc, argv, sq)
int argc;
char **argv;
struct save_queue *sq;
{
    sq_save_data(sq, strsave(argv[0]));
    return(UPCALL_CONT);
}


/* Used by get_server_info to record all of the returned information */

getsvinfo(argc, argv, sserv)
int argc;
char **argv;
struct service *sserv;
{
    sserv->service = strsave(argv[0]);
    sserv->interval = atoi(argv[1]);
    sserv->target = strsave(argv[2]);
    sserv->script = strsave(argv[3]);
    sserv->dfgen = atoi(argv[4]);
    sserv->dfcheck = atoi(argv[5]);
    sserv->type = strsave(argv[6]);
    sserv->enable = atoi(argv[7]);
    sserv->inprogress = atoi(argv[8]);
    sserv->harderror = atoi(argv[9]);
    sserv->errmsg = strsave(argv[10]);
    return(UPCALL_STOP);
}


/* Scan the services and process any that need it. */

do_services()
{
    char *qargv[6];
    struct save_queue *sq, *sq_create();
    char *service, dfgen_prog[64], dfgen_cmd[128];
    struct service svc;
    int status, lock_fd, ex, (*cstat)();
    struct timezone tz;
    register char *p;
    union wait waits;

    if (dbg & DBG_VERBOSE)
	com_err(whoami, 0, "starting pass over services");

    qargv[0] = "true";
    qargv[1] = "dontcare";
    qargv[2] = "false";
    sq = sq_create();
    if (status = mr_query_with_retry("qualified_get_server", 3, qargv,
				      qgetsv, sq)) {
	com_err(whoami, status, " getting services");
	leave("query failed");
    }
    while (sq_get_data(sq, &service)) {
	for (p = service; *p; p++)
	  if (isupper(*p))
	    *p = tolower(*p);
	com_err(whoami, 0, "checking %s...", service);
	qargv[0] = service;
	sprintf(dfgen_prog, "%s/%s.gen", BIN_DIR, service);
	if (!file_exists(dfgen_prog)) {
	    com_err(whoami, 0, "prog %s doesn't exist\n", dfgen_prog);
	    free(service);
	    continue;
	}
	sprintf(dfgen_cmd, "exec %s %s/%s.out",
		dfgen_prog, DCM_DIR, service);
	gettimeofday(&tv, &tz);
	if (status = mr_query_with_retry("get_server_info", 1, qargv,
					  getsvinfo, &svc)) {
	    com_err(whoami, status, " getting service %s info, skipping to next service", service);
	    continue;
	}
	svc.service = strsave(service);
	qargv[0] = strsave(service);
	qargv[1] = itoa(svc.dfgen);
	qargv[2] = itoa(svc.dfcheck);
	qargv[3] = strsave("0");
	qargv[4] = itoa(svc.harderror);
	qargv[5] = strsave(svc.errmsg);
	if (svc.interval != 0) {
	    if (svc.interval * 60 + svc.dfcheck < tv.tv_sec) {
		lock_fd = maybe_lock_update("@db@", service, 1);
		if (lock_fd < 0)
		  goto free_service;
		free(qargv[3]);
		free(qargv[4]);
		free(qargv[5]);
		qargv[3] = strsave("1");
		qargv[4] = strsave("0");
		qargv[5] = strsave("");
		status = mr_query_with_retry("set_server_internal_flags", 6,
					      qargv, scream, NULL);
		if (status != MR_SUCCESS) {
		    com_err(whoami, status, " setting server state");
		    goto free_service;
		}
	    
		com_err(whoami, status, " running %s", dfgen_prog);
		cstat = signal(SIGCHLD, SIG_DFL);
		waits.w_status = system(dfgen_cmd);
		signal(SIGCHLD, cstat);
		if (waits.w_termsig) {
		    status = MR_COREDUMP;
		    com_err(whoami, status, " %s exited on signal %d",
			    dfgen_prog, waits.w_termsig);
		} else if (waits.w_retcode) {
		    /* extract the process's exit value */
		    status = waits.w_retcode + ERROR_TABLE_BASE_sms;
		    com_err(whoami, status, " %s exited", dfgen_prog);
		}
		if (SOFT_FAIL(status)) {
		    free(qargv[5]);
		    qargv[5] = strsave(error_message(status));
		} else if (status == MR_NO_CHANGE) {
		    free(qargv[2]);
		    qargv[2] = itoa(tv.tv_sec);
		    svc.dfcheck = tv.tv_sec;
		} else if (status == MR_SUCCESS) {
		    free(qargv[1]);
		    free(qargv[2]);
		    qargv[1] = itoa(tv.tv_sec);
		    qargv[2] = strsave(qargv[1]);
		    svc.dfcheck = svc.dfgen = tv.tv_sec;
		} else { /* HARD_FAIL(status) */
		    free(qargv[2]);
		    free(qargv[4]);
		    free(qargv[5]);
		    qargv[2] = itoa(tv.tv_sec);	
		    svc.dfcheck = tv.tv_sec;
		    qargv[4] = itoa(status);
		    qargv[5] = strsave(error_message(status));
		    critical_alert("DCM","DCM building config files for %s: %s",
				  service, qargv[5]);
		}
	    free_service:
		free(qargv[3]);
		qargv[3] = strsave("0");
		status = mr_query_with_retry("set_server_internal_flags", 6,
					      qargv, scream, NULL);
		if (status)
		  com_err(whoami, status, " setting service state");
		close(lock_fd);
		free(qargv[0]);
		free(qargv[1]);
		free(qargv[2]);
		free(qargv[3]);
		free(qargv[4]);
		free(qargv[5]);
	    }
	    if (!strcmp(svc.type, "REPLICAT"))
	      ex = 1;
	    else
	      ex = 0;
	    lock_fd = maybe_lock_update("@db@", service, ex);
	    if (lock_fd >= 0) {
		do_hosts(&svc);
		close(lock_fd);
	    }
	}
	free(svc.service);
	free(svc.target);
	free(svc.script);
	free(svc.type);
	free(svc.errmsg);
	free(service);
    }
    sq_destroy(sq);
}


/* Used by qualified_get_server_host to make a list of hosts to check */

qgethost(argc, argv, sq)
int argc;
char **argv;
struct save_queue *sq;
{
    sq_save_data(sq, strsave(argv[1]));
    return(UPCALL_CONT);
}


/* Used by get_server_host_info to store all of the info about a host */

gethostinfo(argc, argv, shost)
int argc;
char **argv;
struct svrhost *shost;
{
    shost->service = strsave(argv[0]);
    shost->machine = strsave(argv[1]);
    shost->enable = atoi(argv[2]);
    shost->override = atoi(argv[3]);
    shost->success = atoi(argv[4]);
    shost->inprogress = atoi(argv[5]);
    shost->hosterror = atoi(argv[6]);
    shost->errmsg = strsave(argv[7]);
    shost->lasttry = atoi(argv[8]);
    shost->lastsuccess = atoi(argv[9]);
    shost->value1 = atoi(argv[10]);
    shost->value2 = atoi(argv[11]);
    shost->value3 = strsave(argv[12]);
    return(UPCALL_STOP);
}


/* Scans all of the hosts for a particular service, and processes them. */

do_hosts(svc)
struct service *svc;
{
    char *argv[9], *machine;
    int status, lock_fd;
    struct save_queue *sq;
    struct svrhost shost;

    sq = sq_create();
    argv[0] = svc->service;
    argv[1] = "TRUE";
    argv[2] = argv[3] = argv[4] = "DONTCARE";
    argv[5] = "FALSE";
    status = mr_query_with_retry("qualified_get_server_host", 6, argv,
				  qgethost, sq);
    if (status == MR_NO_MATCH) {
	return;
    } else if (status) {
	com_err(whoami, status, " getting server_hosts for  %s", svc->service);
	return;
    }
    while (sq_get_data(sq, &machine)) {
	if (dbg & DBG_TRACE)
	  com_err(whoami, 0, "checking %s...", machine);
	argv[1] = machine;
	status = mr_query_with_retry("get_server_host_info", 2, argv,
				      gethostinfo, &shost);
	if (status) {
	    com_err(whoami,status, " getting server_host_info for %s", machine);
	    goto free_mach;
	}
	if (!shost.enable || shost.hosterror ||
	    (shost.success && !shost.override &&
	     shost.lastsuccess >= svc->dfgen)) {
	    if (dbg & DBG_TRACE)
	      com_err(whoami, 0, "not updating %s:%s", svc->service, machine);
	    goto free_mach;
	}

	lock_fd = maybe_lock_update(machine, svc->service, 1);
	if (lock_fd < 0)
	  goto free_mach;
	argv[0] = svc->service;
	argv[1] = machine;
	argv[2] = argv[3] = argv[5] = "0";
	argv[4] = "1";
	argv[6] = strsave("");
	argv[7] = itoa(tv.tv_sec);
	argv[8] = itoa(shost.lastsuccess);
	status = mr_query_with_retry("set_server_host_internal", 9, argv,
				      scream, NULL);
	if (status != MR_SUCCESS) {
	    com_err(whoami,status," while setting internal state for %s:%s",
		    svc->service, machine);
	    goto free_mach;
	}
	status = mr_update_server(svc->service, machine, svc->target,
				   svc->script);
	if (status == MR_SUCCESS) {
	    argv[2] = argv[4] = "0";
	    argv[3] = "1";
	    free(argv[8]);
	    argv[8] = itoa(tv.tv_sec);
	} else if (SOFT_FAIL(status)) {
	    argv[4] = "0";
	    free(argv[6]);
	    argv[6] = strsave(error_message(status));
	} else { /* HARD_FAIL */
	    argv[2] = itoa(shost.override);
	    argv[4] = "0";
	    argv[5] = itoa(status);
	    free(argv[6]);
	    argv[6] = strsave(error_message(status));
	    critical_alert("DCM", "DCM updating %s:%s: %s",
			   machine, svc->service, argv[6]);
	    if (!strcmp(svc->type, "REPLICAT")) {
		char *qargv[6];

		svc->harderror = status;
		svc->errmsg = strsave(argv[6]);
		qargv[0] = strsave(svc->service);
		qargv[1] = itoa(svc->dfgen);
		qargv[2] = itoa(svc->dfcheck);
		qargv[3] = strsave("0");
		qargv[4] = itoa(svc->harderror);
		qargv[5] = strsave(svc->errmsg);
		status = mr_query_with_retry("set_server_internal_flags",
					      6, qargv, scream, NULL);
		if (status)
		  com_err(whoami, status, " setting service state again");
		free(qargv[0]);
		free(qargv[1]);
		free(qargv[2]);
		free(qargv[3]);
		free(qargv[4]);
		free(qargv[5]);
		close(lock_fd);
		status = mr_query_with_retry("set_server_host_internal",
					      9, argv,scream,NULL);
		free(argv[2]);
		free(argv[5]);
		if (status)
		  com_err(whoami, status, " setting host state again");
		return(-1);
	    }
	}
	close(lock_fd);
	status = mr_query_with_retry("set_server_host_internal", 9, argv,
				      scream, NULL);
	if (status)
	  com_err(whoami, status, " setting host state again");
/*	free(argv[2]);
	free(argv[5]); */
    free_mach:
	free(machine);
	close(lock_fd);
    }
    return(0);
}
Commit	Line	Data
846841f4	1	/*
2ce085d2	2	* The Data Control Manager for MOIRA.
846841f4	3	*
	4	* Copyright 1987, 1988 by the Massachusetts Institute of Technology.
	5	* For copying and distribution information, see the file
	6	* "mit-copyright.h".
	7	*
	8	* $Source$
	9	* $Author$
	10	* $Header$
	11	*/
	12
	13	#ifndef lint
	14	static char rcsid_dcm_c[] = "$Header$";
	15	#endif lint
	16
	17	#include <stdio.h>
	18	#include <update.h>
	19	#include <sys/file.h>
	20	#include <sys/time.h>
	21	#include <sys/wait.h>
a1a0dadf	22	#include <signal.h>
846841f4	23	#include <ctype.h>
2ce085d2	24	#include <moira.h>
2ce085d2	25	#include <moira_site.h>
846841f4	26	#include "dcm.h"
	27	#include "mit-copyright.h"
	28
	29	extern char *ctime();
	30	extern char *getenv();
	31	extern int log_flags;
	32	extern char *error_message();
	33	char *itoa();
	34	int gqval();
	35	long time();
	36
	37
	38	/* declared global so that we can get the current time from different places. */
	39	struct timeval tv;
	40
	41
	42	main(argc, argv)
	43	int argc;
	44	char *argv[];
	45	{
	46	int i;
	47	char **arg = argv;
	48	char *qargv[3];
fe83b772	49	char *s;
846841f4	50	int status;
	51
	52	whoami = argv[0];
fe83b772	53	s = getenv("DEBUG");
fe83b772	54	dbg = s ? atoi(s) : 0;
846841f4	55	umask(UMASK);
	56	log_flags = 0;
	57	setlinebuf(stderr);
	58	setlinebuf(stdout);
	59
	60	while(++arg - argv < argc) {
	61	if (**arg == '-')
	62	switch((*arg)[1]) {
	63	case 'd':
	64	dbg = atoi((arg)[2]? arg+2: *++arg);
	65	break;
	66	}
	67	}
	68	set_com_err_hook(dcm_com_err_hook);
	69
	70	/* if /etc/nodcm exists, punt quietly. */
185f76ce	71	if (!access(NODCMFILE, F_OK)) {
846841f4	72	exit(1);
	73	}
	74
2ce085d2	75	if (status = mr_connect("")) {
2ce085d2	76	com_err(whoami, status, " on mr_connect");
846841f4	77	leave("connect failed");
	78	}
	79
2ce085d2	80	if (status = mr_auth("dcm")) {
846841f4	81	com_err(whoami, status, " on \"authenticate\"");
	82	leave("auth failed");
	83	}
	84
	85	/* if DCM is not enabled, exit after logging */
	86	qargv[0] = "dcm_enable";
2ce085d2	87	if (status = mr_query("get_value", 1, qargv, gqval, &i)) {
846841f4	88	com_err(whoami, status, " check dcm_enable");
	89	leave("query failed");
	90	}
	91	if (i == 0) {
	92	errno = 0;
	93	leave("dcm_enable not set");
	94	}
	95
	96	/* do it! */
846841f4	97	do_services();
	98	errno = 0;
	99	leave("");
	100	}
	101
	102
	103	/* Used by the get_value query when checking for dcm_enable. */
	104
	105	gqval(argc, argv, hint)
	106	int argc;
	107	char **argv;
	108	int *hint;
	109	{
	110	*hint = atoi(argv[0]);
	111	return(UPCALL_STOP);
	112	}
	113
	114
	115	/* Used by qualified_get_server to make a list of servers to check */
	116
	117	qgetsv(argc, argv, sq)
	118	int argc;
	119	char **argv;
	120	struct save_queue *sq;
	121	{
	122	sq_save_data(sq, strsave(argv[0]));
	123	return(UPCALL_CONT);
	124	}
	125
	126
	127	/* Used by get_server_info to record all of the returned information */
	128
	129	getsvinfo(argc, argv, sserv)
	130	int argc;
	131	char **argv;
	132	struct service *sserv;
	133	{
	134	sserv->service = strsave(argv[0]);
	135	sserv->interval = atoi(argv[1]);
	136	sserv->target = strsave(argv[2]);
	137	sserv->script = strsave(argv[3]);
	138	sserv->dfgen = atoi(argv[4]);
	139	sserv->dfcheck = atoi(argv[5]);
	140	sserv->type = strsave(argv[6]);
	141	sserv->enable = atoi(argv[7]);
	142	sserv->inprogress = atoi(argv[8]);
	143	sserv->harderror = atoi(argv[9]);
	144	sserv->errmsg = strsave(argv[10]);
	145	return(UPCALL_STOP);
	146	}
	147
	148
	149	/* Scan the services and process any that need it. */
	150
	151	do_services()
	152	{
	153	char *qargv[6];
	154	struct save_queue sq, sq_create();
	155	char *service, dfgen_prog[64], dfgen_cmd[128];
	156	struct service svc;
a1a0dadf	157	int status, lock_fd, ex, (*cstat)();
846841f4	158	struct timezone tz;
	159	register char *p;
	160	union wait waits;
	161
	162	if (dbg & DBG_VERBOSE)
	163	com_err(whoami, 0, "starting pass over services");
	164
	165	qargv[0] = "true";
	166	qargv[1] = "dontcare";
	167	qargv[2] = "false";
	168	sq = sq_create();
2ce085d2	169	if (status = mr_query_with_retry("qualified_get_server", 3, qargv,
0967ae03	170	qgetsv, sq)) {
846841f4	171	com_err(whoami, status, " getting services");
	172	leave("query failed");
	173	}
	174	while (sq_get_data(sq, &service)) {
	175	for (p = service; *p; p++)
	176	if (isupper(*p))
	177	p = tolower(p);
	178	com_err(whoami, 0, "checking %s...", service);
	179	qargv[0] = service;
185f76ce	180	sprintf(dfgen_prog, "%s/%s.gen", BIN_DIR, service);
846841f4	181	if (!file_exists(dfgen_prog)) {
	182	com_err(whoami, 0, "prog %s doesn't exist\n", dfgen_prog);
	183	free(service);
	184	continue;
	185	}
185f76ce	186	sprintf(dfgen_cmd, "exec %s %s/%s.out",
185f76ce	187	dfgen_prog, DCM_DIR, service);
846841f4	188	gettimeofday(&tv, &tz);
2ce085d2	189	if (status = mr_query_with_retry("get_server_info", 1, qargv,
0967ae03	190	getsvinfo, &svc)) {
4e5690ff	191	com_err(whoami, status, " getting service %s info, skipping to next service", service);
4e5690ff	192	continue;
846841f4	193	}
	194	svc.service = strsave(service);
	195	qargv[0] = strsave(service);
	196	qargv[1] = itoa(svc.dfgen);
	197	qargv[2] = itoa(svc.dfcheck);
	198	qargv[3] = strsave("0");
	199	qargv[4] = itoa(svc.harderror);
	200	qargv[5] = strsave(svc.errmsg);
	201	if (svc.interval != 0) {
	202	if (svc.interval * 60 + svc.dfcheck < tv.tv_sec) {
185f76ce	203	lock_fd = maybe_lock_update("@db@", service, 1);
846841f4	204	if (lock_fd < 0)
	205	goto free_service;
	206	free(qargv[3]);
	207	free(qargv[4]);
	208	free(qargv[5]);
	209	qargv[3] = strsave("1");
	210	qargv[4] = strsave("0");
	211	qargv[5] = strsave("");
2ce085d2	212	status = mr_query_with_retry("set_server_internal_flags", 6,
0967ae03	213	qargv, scream, NULL);
2ce085d2	214	if (status != MR_SUCCESS) {
846841f4	215	com_err(whoami, status, " setting server state");
	216	goto free_service;
	217	}
	218
	219	com_err(whoami, status, " running %s", dfgen_prog);
a1a0dadf	220	cstat = signal(SIGCHLD, SIG_DFL);
846841f4	221	waits.w_status = system(dfgen_cmd);
a1a0dadf	222	signal(SIGCHLD, cstat);
c9c95b8a	223	if (waits.w_termsig) {
95d47b7a	224	status = MR_COREDUMP;
c9c95b8a	225	com_err(whoami, status, " %s exited on signal %d",
	226	dfgen_prog, waits.w_termsig);
	227	} else if (waits.w_retcode) {
	228	/* extract the process's exit value */
2ce085d2	229	status = waits.w_retcode + ERROR_TABLE_BASE_sms;
846841f4	230	com_err(whoami, status, " %s exited", dfgen_prog);
	231	}
	232	if (SOFT_FAIL(status)) {
	233	free(qargv[5]);
	234	qargv[5] = strsave(error_message(status));
2ce085d2	235	} else if (status == MR_NO_CHANGE) {
846841f4	236	free(qargv[2]);
	237	qargv[2] = itoa(tv.tv_sec);
	238	svc.dfcheck = tv.tv_sec;
2ce085d2	239	} else if (status == MR_SUCCESS) {
846841f4	240	free(qargv[1]);
	241	free(qargv[2]);
	242	qargv[1] = itoa(tv.tv_sec);
	243	qargv[2] = strsave(qargv[1]);
	244	svc.dfcheck = svc.dfgen = tv.tv_sec;
	245	} else { /* HARD_FAIL(status) */
	246	free(qargv[2]);
	247	free(qargv[4]);
	248	free(qargv[5]);
	249	qargv[2] = itoa(tv.tv_sec);
	250	svc.dfcheck = tv.tv_sec;
	251	qargv[4] = itoa(status);
	252	qargv[5] = strsave(error_message(status));
	253	critical_alert("DCM","DCM building config files for %s: %s",
	254	service, qargv[5]);
	255	}
	256	free_service:
	257	free(qargv[3]);
	258	qargv[3] = strsave("0");
2ce085d2	259	status = mr_query_with_retry("set_server_internal_flags", 6,
0967ae03	260	qargv, scream, NULL);
	261	if (status)
	262	com_err(whoami, status, " setting service state");
846841f4	263	close(lock_fd);
	264	free(qargv[0]);
	265	free(qargv[1]);
	266	free(qargv[2]);
	267	free(qargv[3]);
	268	free(qargv[4]);
	269	free(qargv[5]);
	270	}
	271	if (!strcmp(svc.type, "REPLICAT"))
	272	ex = 1;
	273	else
	274	ex = 0;
185f76ce	275	lock_fd = maybe_lock_update("@db@", service, ex);
846841f4	276	if (lock_fd >= 0) {
	277	do_hosts(&svc);
	278	close(lock_fd);
	279	}
	280	}
	281	free(svc.service);
	282	free(svc.target);
	283	free(svc.script);
	284	free(svc.type);
	285	free(svc.errmsg);
	286	free(service);
	287	}
	288	sq_destroy(sq);
	289	}
	290
	291
	292	/* Used by qualified_get_server_host to make a list of hosts to check */
	293
	294	qgethost(argc, argv, sq)
	295	int argc;
	296	char **argv;
	297	struct save_queue *sq;
	298	{
	299	sq_save_data(sq, strsave(argv[1]));
	300	return(UPCALL_CONT);
	301	}
	302
	303
	304	/* Used by get_server_host_info to store all of the info about a host */
	305
	306	gethostinfo(argc, argv, shost)
	307	int argc;
	308	char **argv;
	309	struct svrhost *shost;
	310	{
	311	shost->service = strsave(argv[0]);
	312	shost->machine = strsave(argv[1]);
	313	shost->enable = atoi(argv[2]);
	314	shost->override = atoi(argv[3]);
	315	shost->success = atoi(argv[4]);
	316	shost->inprogress = atoi(argv[5]);
	317	shost->hosterror = atoi(argv[6]);
	318	shost->errmsg = strsave(argv[7]);
	319	shost->lasttry = atoi(argv[8]);
	320	shost->lastsuccess = atoi(argv[9]);
	321	shost->value1 = atoi(argv[10]);
	322	shost->value2 = atoi(argv[11]);
	323	shost->value3 = strsave(argv[12]);
	324	return(UPCALL_STOP);
	325	}
	326
	327
	328	/* Scans all of the hosts for a particular service, and processes them. */
	329
	330	do_hosts(svc)
	331	struct service *svc;
	332	{
	333	char argv[9], machine;
	334	int status, lock_fd;
	335	struct save_queue *sq;
	336	struct svrhost shost;
	337
	338	sq = sq_create();
	339	argv[0] = svc->service;
340	argv[1] = "TRUE";
341	argv[2] = argv[3] = argv[4] = "DONTCARE";
342	argv[5] = "FALSE";
2ce085d2	343	status = mr_query_with_retry("qualified_get_server_host", 6, argv,
0967ae03	344	qgethost, sq);
2ce085d2	345	if (status == MR_NO_MATCH) {
846841f4	346	return;
	347	} else if (status) {
	348	com_err(whoami, status, " getting server_hosts for %s", svc->service);
	349	return;
	350	}
	351	while (sq_get_data(sq, &machine)) {
	352	if (dbg & DBG_TRACE)
	353	com_err(whoami, 0, "checking %s...", machine);
	354	argv[1] = machine;
2ce085d2	355	status = mr_query_with_retry("get_server_host_info", 2, argv,
0967ae03	356	gethostinfo, &shost);
846841f4	357	if (status) {
	358	com_err(whoami,status, " getting server_host_info for %s", machine);
	359	goto free_mach;
	360	}
	361	if (!shost.enable \|\| shost.hosterror \|\|
4112693b	362	(shost.success && !shost.override &&
6899dfbe	363	shost.lastsuccess >= svc->dfgen)) {
846841f4	364	if (dbg & DBG_TRACE)
	365	com_err(whoami, 0, "not updating %s:%s", svc->service, machine);
	366	goto free_mach;
	367	}
062079b1	368
185f76ce	369	lock_fd = maybe_lock_update(machine, svc->service, 1);
062079b1	370	if (lock_fd < 0)
	371	goto free_mach;
	372	argv[0] = svc->service;
	373	argv[1] = machine;
	374	argv[2] = argv[3] = argv[5] = "0";
	375	argv[4] = "1";
	376	argv[6] = strsave("");
	377	argv[7] = itoa(tv.tv_sec);
	378	argv[8] = itoa(shost.lastsuccess);
2ce085d2	379	status = mr_query_with_retry("set_server_host_internal", 9, argv,
0967ae03	380	scream, NULL);
2ce085d2	381	if (status != MR_SUCCESS) {
062079b1	382	com_err(whoami,status," while setting internal state for %s:%s",
	383	svc->service, machine);
	384	goto free_mach;
	385	}
2ce085d2	386	status = mr_update_server(svc->service, machine, svc->target,
062079b1	387	svc->script);
2ce085d2	388	if (status == MR_SUCCESS) {
67852ff1	389	argv[2] = argv[4] = "0";
062079b1	390	argv[3] = "1";
	391	free(argv[8]);
	392	argv[8] = itoa(tv.tv_sec);
	393	} else if (SOFT_FAIL(status)) {
67852ff1	394	argv[4] = "0";
062079b1	395	free(argv[6]);
	396	argv[6] = strsave(error_message(status));
	397	} else { /* HARD_FAIL */
	398	argv[2] = itoa(shost.override);
67852ff1	399	argv[4] = "0";
062079b1	400	argv[5] = itoa(status);
	401	free(argv[6]);
	402	argv[6] = strsave(error_message(status));
	403	critical_alert("DCM", "DCM updating %s:%s: %s",
	404	machine, svc->service, argv[6]);
	405	if (!strcmp(svc->type, "REPLICAT")) {
	406	char *qargv[6];
	407
	408	svc->harderror = status;
	409	svc->errmsg = strsave(argv[6]);
	410	qargv[0] = strsave(svc->service);
	411	qargv[1] = itoa(svc->dfgen);
	412	qargv[2] = itoa(svc->dfcheck);
	413	qargv[3] = strsave("0");
	414	qargv[4] = itoa(svc->harderror);
	415	qargv[5] = strsave(svc->errmsg);
2ce085d2	416	status = mr_query_with_retry("set_server_internal_flags",
0967ae03	417	6, qargv, scream, NULL);
	418	if (status)
	419	com_err(whoami, status, " setting service state again");
062079b1	420	free(qargv[0]);
	421	free(qargv[1]);
	422	free(qargv[2]);
	423	free(qargv[3]);
	424	free(qargv[4]);
	425	free(qargv[5]);
	426	close(lock_fd);
2ce085d2	427	status = mr_query_with_retry("set_server_host_internal",
0967ae03	428	9, argv,scream,NULL);
67852ff1	429	free(argv[2]);
67852ff1	430	free(argv[5]);
0967ae03	431	if (status)
0967ae03	432	com_err(whoami, status, " setting host state again");
062079b1	433	return(-1);
846841f4	434	}
846841f4	435	}
062079b1	436	close(lock_fd);
2ce085d2	437	status = mr_query_with_retry("set_server_host_internal", 9, argv,
0967ae03	438	scream, NULL);
	439	if (status)
	440	com_err(whoami, status, " setting host state again");
67852ff1	441	/* free(argv[2]);
67852ff1	442	free(argv[5]); */
846841f4	443	free_mach:
	444	free(machine);
	445	close(lock_fd);
	446	}
	447	return(0);
	448	}