* Miscellanous routines
*
* Copyright (C) 2001,2002 Sampo Saaristo
- * Tampere University of Technology
+ * Tampere University of Technology
* Institute of Communications Engineering
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public Licenseas published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public Licenseas published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
- * This program is distributed in the hope that it will be useful,but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * This program is distributed in the hope that it will be useful,but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
-
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <time.h>
-#include <ctype.h>
#include <zebra.h>
-#include <sys/utsname.h>
#include "stream.h"
#include "vty.h"
#include "hash.h"
#include "if.h"
#include "command.h"
+#include "log_int.h"
#include "isisd/dict.h"
#include "isisd/isis_constants.h"
#include "isisd/isis_common.h"
+#include "isisd/isis_flags.h"
#include "isisd/isis_circuit.h"
+#include "isisd/isis_csm.h"
#include "isisd/isisd.h"
#include "isisd/isis_misc.h"
-#include "isisd/isis_tlv.h"
#include "isisd/isis_lsp.h"
#include "isisd/isis_constants.h"
#include "isisd/isis_adjacency.h"
+#include "isisd/isis_dynhn.h"
+
+/* staticly assigned vars for printing purposes */
+struct in_addr new_prefix;
+/* len of xx.xxxx.xxxx.xxxx.xxxx.xxxx.xxxx.xxxx.xxxx.xxxx.xx */
+/* + place for #0 termination */
+char isonet[51];
+/* len of xxYxxMxWxdxxhxxmxxs + place for #0 termination */
+char datestring[20];
+char nlpidstring[30];
/*
* This converts the isonet to its printable format
*/
-char * isonet_print (u_char *from, int len) {
- int i = 0;
- char *pos = isonet;
-
- if(!from)
- return "unknown";
-
- while (i < len) {
- if (i & 1) {
- sprintf ( pos, "%02x", *(from + i));
- pos += 2;
- } else {
- if (i == (len - 1)) { /* No dot at the end of address */
- sprintf ( pos, "%02x", *(from + i));
- pos += 2;
- } else {
- sprintf ( pos, "%02x.", *(from + i));
- pos += 3;
- }
- }
- i++;
- }
- *(pos) = '\0';
- return isonet;
+const char *isonet_print(const uint8_t *from, int len)
+{
+ int i = 0;
+ char *pos = isonet;
+
+ if (!from)
+ return "unknown";
+
+ while (i < len) {
+ if (i & 1) {
+ sprintf(pos, "%02x", *(from + i));
+ pos += 2;
+ } else {
+ if (i == (len - 1)) { /* No dot at the end of address */
+ sprintf(pos, "%02x", *(from + i));
+ pos += 2;
+ } else {
+ sprintf(pos, "%02x.", *(from + i));
+ pos += 3;
+ }
+ }
+ i++;
+ }
+ *(pos) = '\0';
+ return isonet;
}
/*
* Returns 0 on error, length of buff on ok
- * extract dot from the dotted str, and insert all the number in a buff
+ * extract dot from the dotted str, and insert all the number in a buff
*/
-int
-dotformat2buff (u_char *buff, u_char *dotted)
+int dotformat2buff(uint8_t *buff, const char *dotted)
{
- int dotlen, len = 0;
- u_char *pos = dotted;
- u_char number[3];
- int nextdotpos = 2;
-
- number[2] = '\0';
- dotlen = strlen(dotted);
- if (dotlen > 50) {
- /* this can't be an iso net, its too long */
- return 0;
- }
-
- while ( (pos - dotted) < dotlen && len < 20 ) {
- if (*pos == '.') {
- /* we expect the . at 2, and than every 5 */
- if ((pos - dotted) != nextdotpos) {
- len = 0;
- break;
- }
- nextdotpos += 5;
- pos++;
- continue;
- }
- /* we must have at least two chars left here */
- if (dotlen - (pos - dotted) < 2) {
- len = 0;
- break;
- }
-
- if ((isxdigit((int)*pos)) && (isxdigit((int)*(pos+1)))){
- memcpy (number, pos ,2);
- pos+=2;
- } else {
- len = 0;
- break;
- }
-
- *(buff + len) = (char)strtol(number, NULL, 16);
- len++;
- }
-
- return len;
+ int dotlen, len = 0;
+ const char *pos = dotted;
+ uint8_t number[3];
+ int nextdotpos = 2;
+
+ number[2] = '\0';
+ dotlen = strlen(dotted);
+ if (dotlen > 50) {
+ /* this can't be an iso net, its too long */
+ return 0;
+ }
+
+ while ((pos - dotted) < dotlen && len < 20) {
+ if (*pos == '.') {
+ /* we expect the . at 2, and than every 5 */
+ if ((pos - dotted) != nextdotpos) {
+ len = 0;
+ break;
+ }
+ nextdotpos += 5;
+ pos++;
+ continue;
+ }
+ /* we must have at least two chars left here */
+ if (dotlen - (pos - dotted) < 2) {
+ len = 0;
+ break;
+ }
+
+ if ((isxdigit((int)*pos)) && (isxdigit((int)*(pos + 1)))) {
+ memcpy(number, pos, 2);
+ pos += 2;
+ } else {
+ len = 0;
+ break;
+ }
+
+ *(buff + len) = (char)strtol((char *)number, NULL, 16);
+ len++;
+ }
+
+ return len;
}
+
/*
* conversion of XXXX.XXXX.XXXX to memory
*/
-int
-sysid2buff (u_char *buff, u_char *dotted)
- {
- int len = 0;
- u_char *pos = dotted;
- u_char number[3];
-
- number[2] = '\0';
- // surely not a sysid_string if not 14 length
- if (strlen(dotted) != 14) {
- return 0;
- }
-
- while ( len < ISIS_SYS_ID_LEN ) {
- if (*pos == '.') {
- /* the . is not positioned correctly */
- if (((pos - dotted) !=4) && ((pos - dotted) != 9)) {
- len = 0;
- break;
- }
- pos++;
- continue;
- }
- if ((isxdigit((int)*pos)) && (isxdigit((int)*(pos+1)))){
- memcpy (number, pos ,2);
- pos+=2;
- } else {
- len = 0;
- break;
- }
-
- *(buff + len) = (char)strtol(number, NULL, 16);
- len++;
- }
-
- return len;
+int sysid2buff(uint8_t *buff, const char *dotted)
+{
+ int len = 0;
+ const char *pos = dotted;
+ uint8_t number[3];
+
+ number[2] = '\0';
+ // surely not a sysid_string if not 14 length
+ if (strlen(dotted) != 14) {
+ return 0;
+ }
+
+ while (len < ISIS_SYS_ID_LEN) {
+ if (*pos == '.') {
+ /* the . is not positioned correctly */
+ if (((pos - dotted) != 4) && ((pos - dotted) != 9)) {
+ len = 0;
+ break;
+ }
+ pos++;
+ continue;
+ }
+ if ((isxdigit((int)*pos)) && (isxdigit((int)*(pos + 1)))) {
+ memcpy(number, pos, 2);
+ pos += 2;
+ } else {
+ len = 0;
+ break;
+ }
+
+ *(buff + len) = (char)strtol((char *)number, NULL, 16);
+ len++;
+ }
+
+ return len;
+}
+const char *nlpid2str(uint8_t nlpid)
+{
+ static char buf[4];
+ switch (nlpid) {
+ case NLPID_IP:
+ return "IPv4";
+ case NLPID_IPV6:
+ return "IPv6";
+ case NLPID_SNAP:
+ return "SNAP";
+ case NLPID_CLNP:
+ return "CLNP";
+ case NLPID_ESIS:
+ return "ES-IS";
+ default:
+ snprintf(buf, sizeof(buf), "%" PRIu8, nlpid);
+ return buf;
+ }
}
/*
* into a string
*/
-char *
-nlpid2string (struct nlpids *nlpids) {
- char *pos = nlpidstring;
- int i;
-
- for (i=0;i<nlpids->count;i++) {
- switch (nlpids->nlpids[i]) {
- case NLPID_IP:
- pos += sprintf (pos, "IPv4");
- break;
- case NLPID_IPV6:
- pos += sprintf (pos, "IPv6");
- break;
- case NLPID_SNAP:
- pos += sprintf (pos, "SNAP");
- break;
- case NLPID_CLNP:
- pos += sprintf (pos, "CLNP");
- break;
- case NLPID_ESIS:
- pos += sprintf (pos, "ES-IS");
- break;
- default:
- pos += sprintf (pos, "unknown");
- break;
- }
- if (nlpids->count-i>1)
- pos += sprintf (pos, ", ");
-
- }
-
- *(pos) = '\0';
-
- return nlpidstring;
+char *nlpid2string(struct nlpids *nlpids)
+{
+ char *pos = nlpidstring;
+ int i;
+
+ for (i = 0; i < nlpids->count; i++) {
+ pos += sprintf(pos, "%s", nlpid2str(nlpids->nlpids[i]));
+ if (nlpids->count - i > 1)
+ pos += sprintf(pos, ", ");
+ }
+
+ *(pos) = '\0';
+
+ return nlpidstring;
}
/*
- * supports the given af ?
+ * Returns 0 on error, IS-IS Circuit Type on ok
*/
-int
-speaks (struct nlpids *nlpids, int family)
+int string2circuit_t(const char *str)
{
- int i, speaks = 0;
-
- if (nlpids == (struct nlpids*)NULL)
- return speaks;
- for (i = 0;i < nlpids->count; i++) {
- if (family == AF_INET && nlpids->nlpids[i] == NLPID_IP)
- speaks = 1;
- if (family == AF_INET6 && nlpids->nlpids[i] == NLPID_IPV6)
- speaks = 1;
- }
-
- return speaks;
+
+ if (!str)
+ return 0;
+
+ if (!strcmp(str, "level-1"))
+ return IS_LEVEL_1;
+
+ if (!strcmp(str, "level-2-only") || !strcmp(str, "level-2"))
+ return IS_LEVEL_2;
+
+ if (!strcmp(str, "level-1-2"))
+ return IS_LEVEL_1_AND_2;
+
+ return 0;
}
+const char *circuit_state2string(int state)
+{
-/*
- * Returns 0 on error, IS-IS Circuit Type on ok
- */
-int
-string2circuit_t (u_char *str)
+ switch (state) {
+ case C_STATE_INIT:
+ return "Init";
+ case C_STATE_CONF:
+ return "Config";
+ case C_STATE_UP:
+ return "Up";
+ default:
+ return "Unknown";
+ }
+ return NULL;
+}
+
+const char *circuit_type2string(int type)
{
-
- if (!str)
- return 0;
-
- if (!strcmp(str,"level-1"))
- return IS_LEVEL_1;
-
- if (!strcmp(str,"level-2-only") || !strcmp(str,"level-2"))
- return IS_LEVEL_2;
-
- if (!strcmp(str,"level-1-2"))
- return IS_LEVEL_1_AND_2;
-
- return 0;
+
+ switch (type) {
+ case CIRCUIT_T_P2P:
+ return "p2p";
+ case CIRCUIT_T_BROADCAST:
+ return "lan";
+ case CIRCUIT_T_LOOPBACK:
+ return "loopback";
+ default:
+ return "Unknown";
+ }
+ return NULL;
}
-const char *
-circuit_t2string (int circuit_t)
+const char *circuit_t2string(int circuit_t)
{
- switch (circuit_t) {
- case IS_LEVEL_1:
- return "L1";
- case IS_LEVEL_2:
- return "L2";
- case IS_LEVEL_1_AND_2:
- return "L1L2";
- default:
- return "??";
- }
-
- return NULL; /* not reached */
+ switch (circuit_t) {
+ case IS_LEVEL_1:
+ return "L1";
+ case IS_LEVEL_2:
+ return "L2";
+ case IS_LEVEL_1_AND_2:
+ return "L1L2";
+ default:
+ return "??";
+ }
+
+ return NULL; /* not reached */
}
-const char *
-syst2string (int type)
+const char *syst2string(int type)
{
- switch (type) {
- case ISIS_SYSTYPE_ES:
- return "ES";
- case ISIS_SYSTYPE_IS:
- return "IS";
- case ISIS_SYSTYPE_L1_IS:
- return "1";
- case ISIS_SYSTYPE_L2_IS:
- return "2";
- default:
- return "??";
- }
-
- return NULL; /* not reached */
+ switch (type) {
+ case ISIS_SYSTYPE_ES:
+ return "ES";
+ case ISIS_SYSTYPE_IS:
+ return "IS";
+ case ISIS_SYSTYPE_L1_IS:
+ return "1";
+ case ISIS_SYSTYPE_L2_IS:
+ return "2";
+ default:
+ return "??";
+ }
+
+ return NULL; /* not reached */
}
/*
* Print functions - we print to static vars
*/
-char *
-snpa_print (u_char *from)
+const char *snpa_print(const uint8_t *from)
+{
+ return isis_format_id(from, ISIS_SYS_ID_LEN);
+}
+
+const char *sysid_print(const uint8_t *from)
{
- int i = 0;
- u_char *pos = snpa;
-
- if(!from)
- return "unknown";
-
- while (i < ETH_ALEN - 1) {
- if (i & 1) {
- sprintf ( pos, "%02x.", *(from + i));
- pos += 3;
- } else {
- sprintf ( pos, "%02x", *(from + i));
- pos += 2;
-
- }
- i++;
- }
-
- sprintf (pos, "%02x", *(from + (ISIS_SYS_ID_LEN - 1)));
- pos += 2;
- *(pos) = '\0';
-
- return snpa;
+ return isis_format_id(from, ISIS_SYS_ID_LEN);
}
-char *
-sysid_print (u_char *from)
+const char *rawlspid_print(const uint8_t *from)
{
- int i = 0;
- char *pos = sysid;
-
- if(!from)
- return "unknown";
-
- while (i < ISIS_SYS_ID_LEN - 1) {
- if (i & 1) {
- sprintf ( pos, "%02x.", *(from + i));
- pos += 3;
- } else {
- sprintf ( pos, "%02x", *(from + i));
- pos += 2;
-
- }
- i++;
- }
-
- sprintf (pos, "%02x", *(from + (ISIS_SYS_ID_LEN - 1)));
- pos += 2;
- *(pos) = '\0';
-
- return sysid;
+ return isis_format_id(from, 8);
}
-char *
-rawlspid_print (u_char *from)
+#define FORMAT_ID_SIZE sizeof("0000.0000.0000.00-00")
+const char *isis_format_id(const uint8_t *id, size_t len)
{
- char *pos = lspid;
- if(!from)
- return "unknown";
- memcpy(pos, sysid_print(from), 15);
- pos += 14;
- sprintf (pos, ".%02x", LSP_PSEUDO_ID(from));
- pos += 3;
- sprintf (pos, "-%02x", LSP_FRAGMENT(from));
- pos += 3;
-
- *(pos) = '\0';
-
- return lspid;
+#define FORMAT_BUF_COUNT 4
+ static char buf_ring[FORMAT_BUF_COUNT][FORMAT_ID_SIZE];
+ static size_t cur_buf = 0;
+
+ char *rv;
+
+ cur_buf++;
+ if (cur_buf >= FORMAT_BUF_COUNT)
+ cur_buf = 0;
+
+ rv = buf_ring[cur_buf];
+
+ if (!id) {
+ snprintf(rv, FORMAT_ID_SIZE, "unknown");
+ return rv;
+ }
+
+ if (len < 6) {
+ snprintf(rv, FORMAT_ID_SIZE, "Short ID");
+ return rv;
+ }
+
+ snprintf(rv, FORMAT_ID_SIZE, "%02x%02x.%02x%02x.%02x%02x", id[0], id[1],
+ id[2], id[3], id[4], id[5]);
+
+ if (len > 6)
+ snprintf(rv + 14, FORMAT_ID_SIZE - 14, ".%02x", id[6]);
+ if (len > 7)
+ snprintf(rv + 17, FORMAT_ID_SIZE - 17, "-%02x", id[7]);
+
+ return rv;
}
-char *
-time2string (u_int32_t time) {
- char *pos = datestring;
- u_int32_t rest;
-
- if (time==0)
- return "-";
-
- if(time/SECS_PER_YEAR)
- pos += sprintf (pos, "%uY",time/SECS_PER_YEAR);
- rest=time%SECS_PER_YEAR;
- if(rest/SECS_PER_MONTH)
- pos += sprintf (pos, "%uM",rest/SECS_PER_MONTH);
- rest=rest%SECS_PER_MONTH;
- if(rest/SECS_PER_WEEK)
- pos += sprintf (pos, "%uw",rest/SECS_PER_WEEK);
- rest=rest%SECS_PER_WEEK;
- if(rest/SECS_PER_DAY)
- pos += sprintf (pos, "%ud",rest/SECS_PER_DAY);
- rest=rest%SECS_PER_DAY;
- if(rest/SECS_PER_HOUR)
- pos += sprintf (pos, "%uh",rest/SECS_PER_HOUR);
- rest=rest%SECS_PER_HOUR;
- if(rest/SECS_PER_MINUTE)
- pos += sprintf (pos, "%um",rest/SECS_PER_MINUTE);
- rest=rest%SECS_PER_MINUTE;
- if(rest)
- pos += sprintf (pos, "%us",rest);
-
- *(pos) = 0;
-
- return datestring;
+const char *time2string(uint32_t time)
+{
+ char *pos = datestring;
+ uint32_t rest;
+
+ if (time == 0)
+ return "-";
+
+ if (time / SECS_PER_YEAR)
+ pos += sprintf(pos, "%uY", time / SECS_PER_YEAR);
+ rest = time % SECS_PER_YEAR;
+ if (rest / SECS_PER_MONTH)
+ pos += sprintf(pos, "%uM", rest / SECS_PER_MONTH);
+ rest = rest % SECS_PER_MONTH;
+ if (rest / SECS_PER_WEEK)
+ pos += sprintf(pos, "%uw", rest / SECS_PER_WEEK);
+ rest = rest % SECS_PER_WEEK;
+ if (rest / SECS_PER_DAY)
+ pos += sprintf(pos, "%ud", rest / SECS_PER_DAY);
+ rest = rest % SECS_PER_DAY;
+ if (rest / SECS_PER_HOUR)
+ pos += sprintf(pos, "%uh", rest / SECS_PER_HOUR);
+ rest = rest % SECS_PER_HOUR;
+ if (rest / SECS_PER_MINUTE)
+ pos += sprintf(pos, "%um", rest / SECS_PER_MINUTE);
+ rest = rest % SECS_PER_MINUTE;
+ if (rest)
+ pos += sprintf(pos, "%us", rest);
+
+ *(pos) = 0;
+
+ return datestring;
}
/*
* first argument is the timer and the second is
* the jitter
*/
-unsigned long
-isis_jitter (unsigned long timer, unsigned long jitter)
+unsigned long isis_jitter(unsigned long timer, unsigned long jitter)
{
- int j,k;
+ int j, k;
- if (jitter>=100)
- return timer;
+ if (jitter >= 100)
+ return timer;
- if (timer == 1)
- return timer;
- /*
- * randomizing just the percent value provides
- * no good random numbers - hence the spread
- * to RANDOM_SPREAD (100000), which is ok as
- * most IS-IS timers are no longer than 16 bit
- */
+ if (timer == 1)
+ return timer;
+ /*
+ * randomizing just the percent value provides
+ * no good random numbers - hence the spread
+ * to RANDOM_SPREAD (100000), which is ok as
+ * most IS-IS timers are no longer than 16 bit
+ */
- j = 1 + (int) ((RANDOM_SPREAD * rand()) / (RAND_MAX + 1.0 ));
+ j = 1 + (int)((RANDOM_SPREAD * random()) / (RAND_MAX + 1.0));
- k = timer - (timer * (100 - jitter))/100;
+ k = timer - (timer * (100 - jitter)) / 100;
- timer = timer - (k * j / RANDOM_SPREAD);
+ timer = timer - (k * j / RANDOM_SPREAD);
- return timer;
+ return timer;
}
-struct in_addr
-newprefix2inaddr (u_char *prefix_start, u_char prefix_masklen)
+struct in_addr newprefix2inaddr(uint8_t *prefix_start, uint8_t prefix_masklen)
{
- memset(&new_prefix, 0, sizeof (new_prefix));
- memcpy(&new_prefix, prefix_start, (prefix_masklen & 0x3F) ?
- ((((prefix_masklen & 0x3F)-1)>>3)+1) : 0);
- return new_prefix;
+ memset(&new_prefix, 0, sizeof(new_prefix));
+ memcpy(&new_prefix, prefix_start,
+ (prefix_masklen & 0x3F)
+ ? ((((prefix_masklen & 0x3F) - 1) >> 3) + 1)
+ : 0);
+ return new_prefix;
+}
+
+/*
+ * Returns the dynamic hostname associated with the passed system ID.
+ * If no dynamic hostname found then returns formatted system ID.
+ */
+const char *print_sys_hostname(const uint8_t *sysid)
+{
+ struct isis_dynhn *dyn;
+
+ if (!sysid)
+ return "nullsysid";
+
+ /* For our system ID return our host name */
+ if (memcmp(sysid, isis->sysid, ISIS_SYS_ID_LEN) == 0)
+ return cmd_hostname_get();
+
+ dyn = dynhn_find_by_id(sysid);
+ if (dyn)
+ return dyn->hostname;
+
+ return sysid_print(sysid);
}
/*
- * Returns host.name if any, otherwise
- * it returns the system hostname.
+ * This function is a generic utility that logs data of given length.
+ * Move this to a shared lib so that any protocol can use it.
*/
-const char *
-unix_hostname(void)
+void zlog_dump_data(void *data, int len)
+{
+ int i;
+ unsigned char *p;
+ unsigned char c;
+ char bytestr[4];
+ char addrstr[10];
+ char hexstr[16 * 3 + 5];
+ char charstr[16 * 1 + 5];
+
+ p = data;
+ memset(bytestr, 0, sizeof(bytestr));
+ memset(addrstr, 0, sizeof(addrstr));
+ memset(hexstr, 0, sizeof(hexstr));
+ memset(charstr, 0, sizeof(charstr));
+
+ for (i = 1; i <= len; i++) {
+ c = *p;
+ if (isalnum(c) == 0)
+ c = '.';
+
+ /* store address for this line */
+ if ((i % 16) == 1)
+ snprintf(addrstr, sizeof(addrstr), "%p", p);
+
+ /* store hex str (for left side) */
+ snprintf(bytestr, sizeof(bytestr), "%02X ", *p);
+ strncat(hexstr, bytestr, sizeof(hexstr) - strlen(hexstr) - 1);
+
+ /* store char str (for right side) */
+ snprintf(bytestr, sizeof(bytestr), "%c", c);
+ strncat(charstr, bytestr,
+ sizeof(charstr) - strlen(charstr) - 1);
+
+ if ((i % 16) == 0) {
+ /* line completed */
+ zlog_debug("[%8.8s] %-50.50s %s", addrstr, hexstr,
+ charstr);
+ hexstr[0] = 0;
+ charstr[0] = 0;
+ } else if ((i % 8) == 0) {
+ /* half line: add whitespaces */
+ strncat(hexstr, " ",
+ sizeof(hexstr) - strlen(hexstr) - 1);
+ strncat(charstr, " ",
+ sizeof(charstr) - strlen(charstr) - 1);
+ }
+ p++; /* next byte */
+ }
+
+ /* print rest of buffer if not empty */
+ if (strlen(hexstr) > 0)
+ zlog_debug("[%8.8s] %-50.50s %s", addrstr, hexstr, charstr);
+ return;
+}
+
+static char *qasprintf(const char *format, va_list ap)
+{
+ va_list aq;
+ va_copy(aq, ap);
+
+ int size = 0;
+ char *p = NULL;
+
+ size = vsnprintf(p, size, format, ap);
+
+ if (size < 0) {
+ va_end(aq);
+ return NULL;
+ }
+
+ size++;
+ p = XMALLOC(MTYPE_TMP, size);
+
+ size = vsnprintf(p, size, format, aq);
+ va_end(aq);
+
+ if (size < 0) {
+ XFREE(MTYPE_TMP, p);
+ return NULL;
+ }
+
+ return p;
+}
+
+void log_multiline(int priority, const char *prefix, const char *format, ...)
+{
+ va_list ap;
+ char *p;
+
+ va_start(ap, format);
+ p = qasprintf(format, ap);
+ va_end(ap);
+
+ if (!p)
+ return;
+
+ char *saveptr = NULL;
+ for (char *line = strtok_r(p, "\n", &saveptr); line;
+ line = strtok_r(NULL, "\n", &saveptr)) {
+ zlog(priority, "%s%s", prefix, line);
+ }
+
+ XFREE(MTYPE_TMP, p);
+}
+
+void vty_multiline(struct vty *vty, const char *prefix, const char *format, ...)
{
- static struct utsname names;
- const char *hostname;
- extern struct host host;
+ va_list ap;
+ char *p;
+
+ va_start(ap, format);
+ p = qasprintf(format, ap);
+ va_end(ap);
- hostname = host.name;
- if (!hostname) {
- uname(&names);
- hostname = names.nodename;
- }
+ if (!p)
+ return;
- return hostname;
+ char *saveptr = NULL;
+ for (char *line = strtok_r(p, "\n", &saveptr); line;
+ line = strtok_r(NULL, "\n", &saveptr)) {
+ vty_out(vty, "%s%s\n", prefix, line);
+ }
+
+ XFREE(MTYPE_TMP, p);
+}
+
+void vty_out_timestr(struct vty *vty, time_t uptime)
+{
+ struct tm *tm;
+ time_t difftime = time(NULL);
+ difftime -= uptime;
+ tm = gmtime(&difftime);
+
+ if (difftime < ONE_DAY_SECOND)
+ vty_out(vty, "%02d:%02d:%02d", tm->tm_hour, tm->tm_min,
+ tm->tm_sec);
+ else if (difftime < ONE_WEEK_SECOND)
+ vty_out(vty, "%dd%02dh%02dm", tm->tm_yday, tm->tm_hour,
+ tm->tm_min);
+ else
+ vty_out(vty, "%02dw%dd%02dh", tm->tm_yday / 7,
+ tm->tm_yday - ((tm->tm_yday / 7) * 7), tm->tm_hour);
+ vty_out(vty, " ago");
}