baytech.c

linux集群服务器软件代码包

RPCNametoOutletList(struct pluginDevice* bt, const char * name
,		int outletlist[])
{
	char	NameMapping[128];
	int	sockno;
	char	sockname[32];
	int	maxfound = 0;



	/* Verify that we're in the top-level menu */
	SEND(bt->wrfd, "\r");

	/* Expect "RPC-x Menu" */
	EXPECT(bt->rdfd, RPC, 5);
	EXPECT(bt->rdfd, Menu, 5);


	/* OK.  Request sub-menu 1 (Outlet Control) */
	SEND(bt->wrfd, "1\r");

	/* Verify that we're in the sub-menu */

	/* Expect: "RPC-x>" */
	EXPECT(bt->rdfd, RPC, 5);
	EXPECT(bt->rdfd, GTSign, 5);

	/* The status command output contains mapping of hosts to outlets */
	SEND(bt->wrfd, "STATUS\r");

	/* Expect: "emperature:" so we can skip over it... */
 	EXPECT(bt->rdfd, bt->modelinfo->expect, 5);
 	EXPECT(bt->rdfd, CRNL, 5);

	/* Looks Good!  Parse the status output */

	do {
		char *	last;
		NameMapping[0] = EOS;
		SNARF(bt->rdfd, NameMapping, 5);

		if (!parse_socket_line(bt, NameMapping, &sockno, sockname)) {
			continue;
		}

		last = sockname+bt->modelinfo->socklen;
		*last = EOS;
		--last;

		/* Strip off trailing blanks */
		for(; last > sockname; --last) {
			if (*last == ' ') {
				*last = EOS;
			}else{
				break;
			}
		}
		g_strdown(sockname);
		if (strcmp(name, sockname) == 0) {
			outletlist[maxfound] = sockno;
			++maxfound;
		}
	} while (strlen(NameMapping) > 2  && maxfound < MAXOUTLET);

	/* Pop back out to the top level menu */
	SEND(bt->wrfd, "MENU\r");
	return(maxfound);
}

static int
baytech_status(StonithPlugin  *s)
{
	struct pluginDevice*	bt;
	int	rc;

	ERRIFNOTCONFIGED(s,S_OOPS);

	bt = (struct pluginDevice*) s;
	
	if ((rc = RPCRobustLogin(bt) != S_OK)) {
		LOG(PIL_CRIT,	 "%s", 
			    "Cannot log into " DEVICE ".");
		return(rc);
	}

	/* Verify that we're in the top-level menu */
	SEND(bt->wrfd, "\r");

	/* Expect "RPC-x Menu" */
	EXPECT(bt->rdfd, RPC, 5);
	EXPECT(bt->rdfd, Menu, 5);

	return(RPCLogout(bt));
}
/*
 *	Return the list of hosts (outlet names) for the devices on this BayTech unit
 */

static char **
baytech_hostlist(StonithPlugin  *s)
{
	char		NameMapping[128];
	char*		NameList[64];
	unsigned int	numnames = 0;
	char **		ret = NULL;
	struct pluginDevice*	bt;

	ERRIFNOTCONFIGED(s,NULL);

	bt = (struct pluginDevice*) s;
	
	if (RPCRobustLogin(bt) != S_OK) {
		LOG(PIL_CRIT,	"%s",
			   "Cannot log into " DEVICE ".");
		return(NULL);
	}

	/* Verify that we're in the top-level menu */
	SEND(bt->wrfd, "\r");

	/* Expect "RPC-x Menu" */
	NULLEXPECT(bt->rdfd, RPC, 5);
	NULLEXPECT(bt->rdfd, Menu, 5);

	/* OK.  Request sub-menu 1 (Outlet Control) */
	SEND(bt->wrfd, "1\r");

	/* Verify that we're in the sub-menu */

	/* Expect: "RPC-x>" */
	NULLEXPECT(bt->rdfd, RPC, 5);
	NULLEXPECT(bt->rdfd, GTSign, 5);

	/* The status command output contains mapping of hosts to outlets */
	SEND(bt->wrfd, "STATUS\r");

	/* Expect: "emperature:" so we can skip over it... */
	NULLEXPECT(bt->rdfd, bt->modelinfo->expect, 5);
	NULLEXPECT(bt->rdfd, CRNL, 5);

	/* Looks Good!  Parse the status output */

	do {
		int	sockno;
		char	sockname[64];
		char *	last;
		char *	nm;

		NameMapping[0] = EOS;

		NULLSNARF(bt->rdfd, NameMapping, 5);

		if (!parse_socket_line(bt, NameMapping, &sockno, sockname)) {
			continue;
		}

		last = sockname+bt->modelinfo->socklen;
		*last = EOS;
		--last;

		/* Strip off trailing blanks */
		for(; last > sockname; --last) {
			if (*last == ' ') {
				*last = EOS;
			}else{
				break;
			}
		}
		if (numnames >= DIMOF(NameList)-1) {
			break;
		}
		if ((nm = (char*)STRDUP(sockname)) == NULL) {
			LOG(PIL_CRIT,	"%s",
				   "out of memory");
			return(NULL);
		}
		g_strdown(nm);
		NameList[numnames] = nm;
		++numnames;
		NameList[numnames] = NULL;
	} while (strlen(NameMapping) > 2);

	/* Pop back out to the top level menu */
	SEND(bt->wrfd, "MENU\r");
	if (numnames >= 1) {
		ret = (char **)MALLOC((numnames+1)*sizeof(char*));
		if (ret == NULL) {
			LOG(PIL_CRIT, "%s" , "out of memory");
		}else{
			memcpy(ret, NameList, (numnames+1)*sizeof(char*));
		}
	}
	(void)RPCLogout(bt);
	return(ret);
}

/*
 *	Connect to the given BayTech device.
 *	We should add serial support here eventually...
 */
static int
RPC_connect_device(struct pluginDevice * bt)
{
	int fd = OurImports->OpenStreamSocket(bt->device
	,	TELNET_PORT, TELNET_SERVICE);

	if (fd < 0) {
		return(S_OOPS);
	}
	bt->rdfd = bt->wrfd = fd;
	return(S_OK);
}

/*
 *	Reset the given host on this Stonith device.
 */
static int
baytech_reset_req(StonithPlugin * s, int request, const char * host)
{
	int	rc = S_OK;
	int	lorc = 0;
	struct pluginDevice*	bt;

	ERRIFNOTCONFIGED(s,S_OOPS);

	bt = (struct pluginDevice*) s;

	if ((rc = RPCRobustLogin(bt)) != S_OK) {
		LOG(PIL_CRIT, "%s", "Cannot log into " DEVICE ".");
	}else{
		int	noutlets;
		int	outlets[MAXOUTLET];
		int	j;
		noutlets = RPCNametoOutletList(bt, host, outlets);

		if (noutlets < 1) {
			LOG(PIL_CRIT,	"%s %s %s [%s]"
			,	bt->idinfo, bt->unitid
			,	"doesn't control host", host);
			return(S_BADHOST);
		}
		switch(request) {

		case ST_POWERON:
		case ST_POWEROFF:
			for (j=0; rc == S_OK && j < noutlets;++j) {
				rc = RPC_onoff(bt, outlets[j], host, request);
			}
			break;
		case ST_GENERIC_RESET:
			/*
			 * Our strategy here:
			 *   1. Power off all outlets except the last one
			 *   2. reset the last outlet
			 *   3. power the other outlets back on
			 */

			for (j=0; rc == S_OK && j < noutlets-1; ++j) {
				rc = RPC_onoff(bt,outlets[j],host
				,	ST_POWEROFF);
			}
			if (rc == S_OK) {
				rc = RPCReset(bt, outlets[j], host); 
			}
			for (j=0; rc == S_OK && j < noutlets-1; ++j) {
				rc = RPC_onoff(bt, outlets[j], host
				,	ST_POWERON);
			}
			break;
		default:
			rc = S_INVAL;
			break;
		}
	}

	lorc = RPCLogout(bt);

	return(rc != S_OK ? rc : lorc);
}

static const char **
baytech_get_confignames(StonithPlugin * s)
{
	static const char * ret[] = {ST_IPADDR, ST_LOGIN, ST_PASSWD, NULL};
	return ret;
}


/*
 *	Parse the config information in the given string, and stash it away...
 */
static int
baytech_set_config(StonithPlugin* s, StonithNVpair* list)
{
	struct pluginDevice* bt = (struct pluginDevice *)s;
	int		rc;
	StonithNamesToGet	namestoget [] =
	{	{ST_IPADDR,	NULL}
	,	{ST_LOGIN,	NULL}
	,	{ST_PASSWD,	NULL}
	,	{NULL,		NULL}
	};

	ERRIFWRONGDEV(s, S_OOPS);
	if (bt->sp.isconfigured) {
		return S_OOPS;
	}

	if ((rc =OurImports->GetAllValues(namestoget, list)) != S_OK) {
		return rc;
	}
	bt->device = namestoget[0].s_value;
	bt->user   = namestoget[1].s_value;
	bt->passwd = namestoget[2].s_value;

	return(S_OK);
}

static const char *
baytech_get_info(StonithPlugin * s, int reqtype)
{
	struct pluginDevice* bt;
	const char *		ret;

	ERRIFWRONGDEV(s,NULL);

	bt = (struct pluginDevice *)s;

	switch (reqtype) {

		case ST_DEVICEID:		/* What type of device? */
			ret = bt->idinfo;
			break;

		case ST_DEVICENAME:		/* Which particular device? */
			ret = bt->device;
			break;

		case ST_DEVICEDESCR:		/* Description of dev type */
			ret = "Bay Technical Associates (Baytech) RPC "
			"series power switches (via telnet).\n"
			"The RPC-5, RPC-3 and RPC-3A switches are well tested"
			".";
			break;

		case ST_DEVICEURL:		/* Manufacturer's web site */
			ret = "http://www.baytech.net/";
			break;

		default:
			ret = NULL;
			break;
	}
	return ret;
}

/*
 *	Baytech Stonith destructor...
 */
static void
baytech_destroy(StonithPlugin *s)
{
	struct pluginDevice* bt;

	VOIDERRIFWRONGDEV(s);

	bt = (struct pluginDevice *)s;

	bt->pluginid = NOTpluginID;
	if (bt->rdfd >= 0) {
		close(bt->rdfd);
		bt->rdfd = -1;
	}
	if (bt->wrfd >= 0) {
		close(bt->wrfd);
		bt->wrfd = -1;
	}
	if (bt->device != NULL) {
		FREE(bt->device);
		bt->device = NULL;
	}
	if (bt->user != NULL) {
		FREE(bt->user);
		bt->user = NULL;
	}
	if (bt->passwd != NULL) {
		FREE(bt->passwd);
		bt->passwd = NULL;
	}
	if (bt->idinfo != NULL) {
		FREE(bt->idinfo);
		bt->idinfo = NULL;
	}
	if (bt->unitid != NULL) {
		FREE(bt->unitid);
		bt->unitid = NULL;
	}
}

/* Create a new BayTech Stonith device. */

static StonithPlugin *
baytech_new(void)
{
	struct pluginDevice*	bt = MALLOCT(struct pluginDevice);

	if (bt == NULL) {
		LOG(PIL_CRIT,	"%s", "out of memory");
		return(NULL);
	}
	memset(bt, 0, sizeof(*bt));
	bt->pluginid = pluginid;
	bt->pid = -1;
	bt->rdfd = -1;
	bt->wrfd = -1;
	REPLSTR(bt->idinfo, DEVICE);
	bt->modelinfo = &ModelInfo[0];
	bt->sp.s_ops = &baytechOps;

	return &(bt->sp);	/* same as "bt" */
}

static int
parse_socket_line(struct pluginDevice * bt, const char *NameMapping
,	int *sockno, char *sockname)
{
#if 0
	char format[64];
	snprintf(format, sizeof(format), "%%7d       %%%dc"
	,	bt->modelinfo->socklen);
	/* 7 digits, 7 blanks, then 'socklen' characters */
	/* [0-6]: digits, NameMapping[13] begins the sockname */
	/* NameMapping strlen must be >= socklen + 14 */

	if (sscanf(NameMapping, format, sockno, sockname) != 2) {
		return FALSE;
	}
#else
#	define	OFFSET 14

	if (sscanf(NameMapping, "%7d", sockno) != 1
	||	strlen(NameMapping) < OFFSET+bt->modelinfo->socklen) {
		return FALSE;
	}
	strncpy(sockname, NameMapping+OFFSET, bt->modelinfo->socklen);
	sockname[bt->modelinfo->socklen] = EOS;
#endif
	return TRUE;
}