ldpd: split log.c into two files

This is basically to keep in sync with OpenBSD's ldpd(8) where the same
change was done.

Signed-off-by: Renato Westphal <renato@opensourcerouting.org>

1 files changed, 487 insertions, 0 deletions

diff --git a/ldpd/logmsg.c b/ldpd/logmsg.c
new file mode 100644
index 000000000..c819b33b4
--- /dev/null
+++ b/ldpd/logmsg.c
@@ -0,0 +1,487 @@
+/*	$OpenBSD$ */
+
+/*
+ * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <zebra.h>
+
+#include "mpls.h"
+
+#include "ldpd.h"
+#include "ldpe.h"
+#include "lde.h"
+
+#define NUM_LOGS	4
+const char *
+log_sockaddr(void *vp)
+{
+	static char	 buf[NUM_LOGS][NI_MAXHOST];
+	static int	 round = 0;
+	struct sockaddr	*sa = vp;
+
+	round = (round + 1) % NUM_LOGS;
+
+	if (getnameinfo(sa, sockaddr_len(sa), buf[round], NI_MAXHOST, NULL, 0,
+	    NI_NUMERICHOST))
+		return ("(unknown)");
+	else
+		return (buf[round]);
+}
+
+const char *
+log_in6addr(const struct in6_addr *addr)
+{
+	struct sockaddr_in6	sa_in6;
+
+	memset(&sa_in6, 0, sizeof(sa_in6));
+#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
+	sa_in6.sin6_len = sizeof(sa_in6);
+#endif
+	sa_in6.sin6_family = AF_INET6;
+	sa_in6.sin6_addr = *addr;
+
+	recoverscope(&sa_in6);
+
+	return (log_sockaddr(&sa_in6));
+}
+
+const char *
+log_in6addr_scope(const struct in6_addr *addr, unsigned int ifindex)
+{
+	struct sockaddr_in6	sa_in6;
+
+	memset(&sa_in6, 0, sizeof(sa_in6));
+#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
+	sa_in6.sin6_len = sizeof(sa_in6);
+#endif
+	sa_in6.sin6_family = AF_INET6;
+	sa_in6.sin6_addr = *addr;
+
+	addscope(&sa_in6, ifindex);
+
+	return (log_sockaddr(&sa_in6));
+}
+
+const char *
+log_addr(int af, const union ldpd_addr *addr)
+{
+	static char	 buf[NUM_LOGS][INET6_ADDRSTRLEN];
+	static int	 round = 0;
+
+	switch (af) {
+	case AF_INET:
+		round = (round + 1) % NUM_LOGS;
+		if (inet_ntop(AF_INET, &addr->v4, buf[round],
+		    sizeof(buf[round])) == NULL)
+			return ("???");
+		return (buf[round]);
+	case AF_INET6:
+		return (log_in6addr(&addr->v6));
+	default:
+		break;
+	}
+
+	return ("???");
+}
+
+#define	TF_BUFS	4
+#define	TF_LEN	32
+
+char *
+log_label(uint32_t label)
+{
+	char		*buf;
+	static char	 tfbuf[TF_BUFS][TF_LEN];	/* ring buffer */
+	static int	 idx = 0;
+
+	buf = tfbuf[idx++];
+	if (idx == TF_BUFS)
+		idx = 0;
+
+	switch (label) {
+	case NO_LABEL:
+		snprintf(buf, TF_LEN, "-");
+		break;
+	case MPLS_LABEL_IMPLNULL:
+		snprintf(buf, TF_LEN, "imp-null");
+		break;
+	case MPLS_LABEL_IPV4NULL:
+	case MPLS_LABEL_IPV6NULL:
+		snprintf(buf, TF_LEN, "exp-null");
+		break;
+	default:
+		snprintf(buf, TF_LEN, "%u", label);
+		break;
+	}
+
+	return (buf);
+}
+
+const char *
+log_time(time_t t)
+{
+	char		*buf;
+	static char	 tfbuf[TF_BUFS][TF_LEN];	/* ring buffer */
+	static int	 idx = 0;
+	unsigned int	 sec, min, hrs, day, week;
+
+	buf = tfbuf[idx++];
+	if (idx == TF_BUFS)
+		idx = 0;
+
+	week = t;
+
+	sec = week % 60;
+	week /= 60;
+	min = week % 60;
+	week /= 60;
+	hrs = week % 24;
+	week /= 24;
+	day = week % 7;
+	week /= 7;
+
+	if (week > 0)
+		snprintf(buf, TF_LEN, "%02uw%01ud%02uh", week, day, hrs);
+	else if (day > 0)
+		snprintf(buf, TF_LEN, "%01ud%02uh%02um", day, hrs, min);
+	else
+		snprintf(buf, TF_LEN, "%02u:%02u:%02u", hrs, min, sec);
+
+	return (buf);
+}
+
+char *
+log_hello_src(const struct hello_source *src)
+{
+	static char buf[64];
+
+	switch (src->type) {
+	case HELLO_LINK:
+		snprintf(buf, sizeof(buf), "iface %s",
+		    src->link.ia->iface->name);
+		break;
+	case HELLO_TARGETED:
+		snprintf(buf, sizeof(buf), "source %s",
+		    log_addr(src->target->af, &src->target->addr));
+		break;
+	}
+
+	return (buf);
+}
+
+const char *
+log_map(const struct map *map)
+{
+	static char	buf[128];
+
+	switch (map->type) {
+	case MAP_TYPE_WILDCARD:
+		if (snprintf(buf, sizeof(buf), "wildcard") < 0)
+			return ("???");
+		break;
+	case MAP_TYPE_PREFIX:
+		if (snprintf(buf, sizeof(buf), "%s/%u",
+		    log_addr(map->fec.prefix.af, &map->fec.prefix.prefix),
+		    map->fec.prefix.prefixlen) == -1)
+			return ("???");
+		break;
+	case MAP_TYPE_PWID:
+		if (snprintf(buf, sizeof(buf), "pw-id %u group-id %u (%s)",
+		    map->fec.pwid.pwid, map->fec.pwid.group_id,
+		    pw_type_name(map->fec.pwid.type)) == -1)
+			return ("???");
+		break;
+	case MAP_TYPE_TYPED_WCARD:
+		if (snprintf(buf, sizeof(buf), "typed wildcard") < 0)
+			return ("???");
+		switch (map->fec.twcard.type) {
+		case MAP_TYPE_PREFIX:
+			if (snprintf(buf + strlen(buf), sizeof(buf) -
+			    strlen(buf), " (prefix, address-family %s)",
+			    af_name(map->fec.twcard.u.prefix_af)) < 0)
+				return ("???");
+			break;
+		case MAP_TYPE_PWID:
+			if (snprintf(buf + strlen(buf), sizeof(buf) -
+			    strlen(buf), " (pwid, type %s)",
+			    pw_type_name(map->fec.twcard.u.pw_type)) < 0)
+				return ("???");
+			break;
+		default:
+			if (snprintf(buf + strlen(buf), sizeof(buf) -
+			    strlen(buf), " (unknown type)") < 0)
+				return ("???");
+			break;
+		}
+		break;
+	default:
+		return ("???");
+	}
+
+	return (buf);
+}
+
+const char *
+log_fec(const struct fec *fec)
+{
+	static char	buf[64];
+	union ldpd_addr	addr;
+
+	switch (fec->type) {
+	case FEC_TYPE_IPV4:
+		addr.v4 = fec->u.ipv4.prefix;
+		if (snprintf(buf, sizeof(buf), "ipv4 %s/%u",
+		    log_addr(AF_INET, &addr), fec->u.ipv4.prefixlen) == -1)
+			return ("???");
+		break;
+	case FEC_TYPE_IPV6:
+		addr.v6 = fec->u.ipv6.prefix;
+		if (snprintf(buf, sizeof(buf), "ipv6 %s/%u",
+		    log_addr(AF_INET6, &addr), fec->u.ipv6.prefixlen) == -1)
+			return ("???");
+		break;
+	case FEC_TYPE_PWID:
+		if (snprintf(buf, sizeof(buf),
+		    "pwid %u (%s) - %s",
+		    fec->u.pwid.pwid, pw_type_name(fec->u.pwid.type),
+		    inet_ntoa(fec->u.pwid.lsr_id)) == -1)
+			return ("???");
+		break;
+	default:
+		return ("???");
+	}
+
+	return (buf);
+}
+
+/* names */
+const char *
+af_name(int af)
+{
+	switch (af) {
+	case AF_INET:
+		return ("ipv4");
+	case AF_INET6:
+		return ("ipv6");
+#ifdef AF_MPLS
+	case AF_MPLS:
+		return ("mpls");
+#endif
+	default:
+		return ("UNKNOWN");
+	}
+}
+
+const char *
+socket_name(int type)
+{
+	switch (type) {
+	case LDP_SOCKET_DISC:
+		return ("discovery");
+	case LDP_SOCKET_EDISC:
+		return ("extended discovery");
+	case LDP_SOCKET_SESSION:
+		return ("session");
+	default:
+		return ("UNKNOWN");
+	}
+}
+
+const char *
+nbr_state_name(int state)
+{
+	switch (state) {
+	case NBR_STA_PRESENT:
+		return ("PRESENT");
+	case NBR_STA_INITIAL:
+		return ("INITIALIZED");
+	case NBR_STA_OPENREC:
+		return ("OPENREC");
+	case NBR_STA_OPENSENT:
+		return ("OPENSENT");
+	case NBR_STA_OPER:
+		return ("OPERATIONAL");
+	default:
+		return ("UNKNOWN");
+	}
+}
+
+const char *
+if_state_name(int state)
+{
+	switch (state) {
+	case IF_STA_DOWN:
+		return ("DOWN");
+	case IF_STA_ACTIVE:
+		return ("ACTIVE");
+	default:
+		return ("UNKNOWN");
+	}
+}
+
+const char *
+if_type_name(enum iface_type type)
+{
+	switch (type) {
+	case IF_TYPE_POINTOPOINT:
+		return ("POINTOPOINT");
+	case IF_TYPE_BROADCAST:
+		return ("BROADCAST");
+	}
+	/* NOTREACHED */
+	return ("UNKNOWN");
+}
+
+const char *
+msg_name(uint16_t msg)
+{
+	static char buf[16];
+
+	switch (msg) {
+	case MSG_TYPE_NOTIFICATION:
+		return ("notification");
+	case MSG_TYPE_HELLO:
+		return ("hello");
+	case MSG_TYPE_INIT:
+		return ("initialization");
+	case MSG_TYPE_KEEPALIVE:
+		return ("keepalive");
+	case MSG_TYPE_CAPABILITY:
+		return ("capability");
+	case MSG_TYPE_ADDR:
+		return ("address");
+	case MSG_TYPE_ADDRWITHDRAW:
+		return ("address withdraw");
+	case MSG_TYPE_LABELMAPPING:
+		return ("label mapping");
+	case MSG_TYPE_LABELREQUEST:
+		return ("label request");
+	case MSG_TYPE_LABELWITHDRAW:
+		return ("label withdraw");
+	case MSG_TYPE_LABELRELEASE:
+		return ("label release");
+	case MSG_TYPE_LABELABORTREQ:
+	default:
+		snprintf(buf, sizeof(buf), "[%08x]", msg);
+		return (buf);
+	}
+}
+
+const char *
+status_code_name(uint32_t status)
+{
+	static char buf[16];
+
+	switch (status) {
+	case S_SUCCESS:
+		return ("Success");
+	case S_BAD_LDP_ID:
+		return ("Bad LDP Identifier");
+	case S_BAD_PROTO_VER:
+		return ("Bad Protocol Version");
+	case S_BAD_PDU_LEN:
+		return ("Bad PDU Length");
+	case S_UNKNOWN_MSG:
+		return ("Unknown Message Type");
+	case S_BAD_MSG_LEN:
+		return ("Bad Message Length");
+	case S_UNKNOWN_TLV:
+		return ("Unknown TLV");
+	case S_BAD_TLV_LEN:
+		return ("Bad TLV Length");
+	case S_BAD_TLV_VAL:
+		return ("Malformed TLV Value");
+	case S_HOLDTIME_EXP:
+		return ("Hold Timer Expired");
+	case S_SHUTDOWN:
+		return ("Shutdown");
+	case S_LOOP_DETECTED:
+		return ("Loop Detected");
+	case S_UNKNOWN_FEC:
+		return ("Unknown FEC");
+	case S_NO_ROUTE:
+		return ("No Route");
+	case S_NO_LABEL_RES:
+		return ("No Label Resources");
+	case S_AVAILABLE:
+		return ("Label Resources Available");
+	case S_NO_HELLO:
+		return ("Session Rejected, No Hello");
+	case S_PARM_ADV_MODE:
+		return ("Rejected Advertisement Mode Parameter");
+	case S_MAX_PDU_LEN:
+		return ("Rejected Max PDU Length Parameter");
+	case S_PARM_L_RANGE:
+		return ("Rejected Label Range Parameter");
+	case S_KEEPALIVE_TMR:
+		return ("KeepAlive Timer Expired");
+	case S_LAB_REQ_ABRT:
+		return ("Label Request Aborted");
+	case S_MISS_MSG:
+		return ("Missing Message Parameters");
+	case S_UNSUP_ADDR:
+		return ("Unsupported Address Family");
+	case S_KEEPALIVE_BAD:
+		return ("Bad KeepAlive Time");
+	case S_INTERN_ERR:
+		return ("Internal Error");
+	case S_ILLEGAL_CBIT:
+		return ("Illegal C-Bit");
+	case S_WRONG_CBIT:
+		return ("Wrong C-Bit");
+	case S_INCPT_BITRATE:
+		return ("Incompatible bit-rate");
+	case S_CEP_MISCONF:
+		return ("CEP-TDM mis-configuration");
+	case S_PW_STATUS:
+		return ("PW Status");
+	case S_UNASSIGN_TAI:
+		return ("Unassigned/Unrecognized TAI");
+	case S_MISCONF_ERR:
+		return ("Generic Misconfiguration Error");
+	case S_WITHDRAW_MTHD:
+		return ("Label Withdraw PW Status Method");
+	case S_UNSSUPORTDCAP:
+		return ("Unsupported Capability");
+	case S_ENDOFLIB:
+		return ("End-of-LIB");
+	case S_TRANS_MISMTCH:
+		return ("Transport Connection Mismatch");
+	case S_DS_NONCMPLNCE:
+		return ("Dual-Stack Noncompliance");
+	default:
+		snprintf(buf, sizeof(buf), "[%08x]", status);
+		return (buf);
+	}
+}
+
+const char *
+pw_type_name(uint16_t pw_type)
+{
+	static char buf[64];
+
+	switch (pw_type) {
+	case PW_TYPE_ETHERNET_TAGGED:
+		return ("Eth Tagged");
+	case PW_TYPE_ETHERNET:
+		return ("Ethernet");
+	case PW_TYPE_WILDCARD:
+		return ("Wildcard");
+	default:
+		snprintf(buf, sizeof(buf), "[%0x]", pw_type);
+		return (buf);
+	}
+}