[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];
	int status;

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