C++ cl_log函数代码示例

static void 
general_display(int log_level, int seq, char* name, void* value, int vlen, int type)
{
	int netslen;
	int slen;
	HA_MSG_ASSERT(value);	
	HA_MSG_ASSERT(name);
	
	slen = fieldtypefuncs[type].stringlen(strlen(name), vlen, value);
	netslen = fieldtypefuncs[type].netstringlen(strlen(name), vlen, value);
	cl_log(log_level, "MSG[%d] : [(%s)%s=%p(%d %d)]",
	       seq,	FT_strings[type],
	       name,	value, slen, netslen);	
	
}

static void
struct_memfree( void* value)
{
	struct ha_msg* msg;

	if (!value){
		cl_log(LOG_ERR,
		       "value is NULL");
		return ;
	}
	
	msg = (struct ha_msg*) value;
	ha_msg_del(msg);
	return ;
}

static int
netstring2struct(const void* value, size_t vlen, void** retvalue, size_t* ret_vlen)
{
	struct ha_msg* msg;
	
	if ( !value || !retvalue || !ret_vlen){
		cl_log(LOG_ERR, " netstring2struct:"
		       "invalid input arguments");
		return HA_FAIL;
	}	
	
	msg =  netstring2msg(value, vlen, 0);
	if (!msg){
		cl_log(LOG_ERR, "netstring2struct:"
		       "netstring2msg failed");
		return HA_FAIL;
	}
	
	*retvalue =(void* ) msg;
	*ret_vlen = 0;
	
	return HA_OK;
	
}

static int
string2list(void* value, size_t vallen, int depth, void** nv, size_t* nlen)
{
	GList*	list;
	
	if (!value  || !nv || !nlen || depth < 0){
		cl_log(LOG_ERR, "string2struct:invalid input");
		return HA_FAIL;
	}	
	
	list = string_list_unpack(value, vallen);
	if (list == NULL){
		cl_log(LOG_ERR, "ha_msg_addraw_ll():"
		       "unpack_string_list failed: %s", (char*)value);
		return(HA_FAIL);
	}
	cl_free(value);
	
	*nv = (void*)list;
	*nlen = string_list_pack_length(list);
	
	return HA_OK;

}

static int
unametonum(const char * lname, int llen)
{
	char	loginname[64];
	struct passwd*	pwd;

	if (llen >= (int)sizeof(loginname)) {
		cl_log(LOG_ERR 
		,	"user id name [%s] is too long", loginname);
		return -1;
	}
	strncpy(loginname, lname, llen);
	loginname[llen] = EOS;

	if (isdigit((int) loginname[0])) {
		return atoi(loginname);
	}
	if ((pwd = getpwnam(loginname)) == NULL) {
		cl_log(LOG_ERR 
		,	"Invalid user id name [%s]", loginname);
		return -1;
	}
	return (int)pwd->pw_uid;
}

int
stop_addr6(struct in6_addr* addr6, int prefix_len, char* prov_ifname)
{
	char* if_name;
	if(OCF_NOT_RUNNING == status_addr6(addr6,prefix_len,prov_ifname)) {
		return OCF_SUCCESS;
	}

	if_name = get_if(addr6, &prefix_len, prov_ifname);

	if (NULL == if_name) {
		cl_log(LOG_ERR, "no valid mechanisms.");
		/* I think this should be a success exit according to LSB. */
		return OCF_ERR_GENERIC;
	}

	/* Unassign the address */
	if (0 != unassign_addr6(addr6, prefix_len, if_name)) {
		cl_log(LOG_ERR, "failed to assign the address to %s", if_name);
		return OCF_ERR_GENERIC;
	}

	return OCF_SUCCESS;
}

static void
stdmsg_log(int priority, const char * fmt, ...)
{
	va_list		ap;
	char		buf[MAXLINE];

	if ( DEBUG_MODE == FALSE && priority == LOG_DEBUG ) {
		return;
	}
	
	va_start(ap, fmt);
	vsnprintf(buf, sizeof(buf)-1, fmt, ap);
	va_end(ap);
	cl_log(priority, "%s", buf);
}

void
sysrq_trigger(char t)
{
	FILE *procf;

	procf = fopen("/proc/sysrq-trigger", "a");
	if (!procf) {
		cl_perror("Opening sysrq-trigger failed.");
		return;
	}
	cl_log(LOG_INFO, "sysrq-trigger: %c\n", t);
	fprintf(procf, "%c\n", t);
	fclose(procf);
	return;
}

/* set syslog facility config variable */
static int
set_facility(const char * value)
{
	int		i;	 

	i = cl_syslogfac_str2int(value);
	if (i >= 0) {
		cl_log(LOG_INFO,  "setting log facility to %s", value);
		logd_config.log_facility = i;
		return(TRUE);
	}
	else {
		return(FALSE);
	}
}

static int servant_check_timeout_inconsistent(struct sector_header_s *hdr)
{
	if (timeout_watchdog != hdr->timeout_watchdog) {
		cl_log(LOG_WARNING, "watchdog timeout: %d versus %d on this device",
				(int)timeout_watchdog, (int)hdr->timeout_watchdog);
		return -1;
	}
	if (timeout_allocate != hdr->timeout_allocate) {
		cl_log(LOG_WARNING, "allocate timeout: %d versus %d on this device",
				(int)timeout_allocate, (int)hdr->timeout_allocate);
		return -1;
	}
	if (timeout_loop != hdr->timeout_loop) {
		cl_log(LOG_WARNING, "loop timeout: %d versus %d on this device",
				(int)timeout_loop, (int)hdr->timeout_loop);
		return -1;
	}
	if (timeout_msgwait != hdr->timeout_msgwait) {
		cl_log(LOG_WARNING, "msgwait timeout: %d versus %d on this device",
				(int)timeout_msgwait, (int)hdr->timeout_msgwait);
		return -1;
	}
	return 0;
}

static int slot_msg_wrapper(const char* devname, int mode, const void* argp)
{
	int rc = 0;
	struct sbd_context *st;
	const struct slot_msg_arg_t* arg = (const struct slot_msg_arg_t*)argp;

        st = open_device(devname, LOG_WARNING);
        if (!st) 
		return -1;
	cl_log(LOG_INFO, "Delivery process handling %s",
			devname);
	rc = slot_msg(st, arg->name, arg->msg);
	close_device(st);
	return rc;
}

static void
send_to_client(const dopd_client_t *client, const char *rc_string)
{
	IPC_Channel *channel = client->channel;
	HA_Message *msg_out;

	msg_out = ha_msg_new(3);
	ha_msg_add(msg_out, F_TYPE, "outdater_rc");
	ha_msg_add(msg_out, F_ORIG, node_name);
	ha_msg_add(msg_out, F_DOPD_VALUE, rc_string);

	if (msg2ipcchan(msg_out, channel) != HA_OK) {
		cl_log(LOG_ERR, "Could not send message to the client");
	}
}

/*
 *GLoop Message Handlers
 */
static gboolean
on_connect_cmd (IPC_Channel* ch, gpointer user_data)
{
	ha_logd_client_t* client = NULL;
	
	/* check paremeters */
	if (NULL == ch) {
		cl_log(LOG_ERR, "on_connect_cmd: channel is null");
		return TRUE;
	}
	/* create new client */
	if (NULL == (client = malloc(sizeof(ha_logd_client_t)))) {
		return FALSE;
	}
	memset(client, 0, sizeof(ha_logd_client_t));
	client->pid = ch->farside_pid;	
	client->chan = ch;
	client->logchan = (IPC_Channel*)user_data;
	client->g_src = G_main_add_IPC_Channel(G_PRIORITY_DEFAULT,
					       ch, FALSE, on_receive_cmd,
					       (gpointer)client,
					       on_remove_client);
	if (client->g_src == NULL){
		cl_log(LOG_ERR, "add the client to main loop failed");
		free(client);
		return TRUE;
	}
	if (stop_reading){
		G_main_IPC_Channel_pause(client->g_src);
	}
	
	logd_client_list = g_list_append(logd_client_list, client);
	
	
	return TRUE;
}

void
maximize_priority(void)
{
	if (skip_rt) {
		cl_log(LOG_INFO, "Not elevating to realtime (-R specified).");
		return;
	}

        sbd_make_realtime(0, 256, 256);

	if (ioprio_set(IOPRIO_WHO_PROCESS, getpid(),
			IOPRIO_PRIO_VALUE(IOPRIO_CLASS_RT, 1)) != 0) {
		cl_perror("ioprio_set() call failed.");
	}
}

static void
quorumd_stop(void)
{
	cl_log(LOG_DEBUG, "quorum plugin: quorumd, quorumd_stop()");
	if (repeat_timer != 0) {
		g_source_remove(repeat_timer);
		repeat_timer = 0;
	}
	if (session != NULL) {
		gnutls_bye (session, GNUTLS_SHUT_WR);
		gnutls_deinit (session);
		close(sock);
		session = NULL;
	}
	cur_quorum = -1;
}