use LOG for logging macro

[l2tpns.git] / bgp.c

diff --git a/bgp.c b/bgp.c
index 696bf0e..2971c38 100644 (file)
--- a/bgp.c
+++ b/bgp.c
@@ -10,7 +10,7 @@
  *   nor RFC2385 (which requires a kernel patch on 2.4 kernels).
  */
 
  *   nor RFC2385 (which requires a kernel patch on 2.4 kernels).
  */
 

-char const *cvs_id_bgp = "$Id: bgp.c,v 1.4 2004-09-02 04:18:07 fred_nerk Exp $";
+char const *cvs_id_bgp = "$Id: bgp.c,v 1.5 2004-11-05 04:55:26 bodea Exp $";

 
 #include <stdlib.h>
 #include <unistd.h>
 
 #include <stdlib.h>
 #include <unistd.h>


@@ -66,7 +66,7 @@ int bgp_setup(int as)
        if (!((peer->outbuf = malloc(sizeof(*peer->outbuf)))
            && (peer->inbuf = malloc(sizeof(*peer->inbuf)))))
        {
        if (!((peer->outbuf = malloc(sizeof(*peer->outbuf)))
            && (peer->inbuf = malloc(sizeof(*peer->inbuf)))))
        {

-           log(0, 0, 0, 0, "Can't allocate buffers for bgp peer (%s)\n",
+           LOG(0, 0, 0, 0, "Can't allocate buffers for bgp peer (%s)\n",

                strerror(errno));
 
            return 0;
                strerror(errno));
 
            return 0;


@@ -108,7 +108,7 @@ int bgp_start(struct bgp_peer *peer, char *name, int as, int enable)
 
     if (!(h = gethostbyname(name)) || h->h_addrtype != AF_INET)
     {
 
     if (!(h = gethostbyname(name)) || h->h_addrtype != AF_INET)
     {

-       log(0, 0, 0, 0, "Can't get address for BGP peer %s (%s)\n",
+       LOG(0, 0, 0, 0, "Can't get address for BGP peer %s (%s)\n",

            name, h ? "no address" : hstrerror(h_errno));
 
        return 0;
            name, h ? "no address" : hstrerror(h_errno));
 
        return 0;


@@ -212,7 +212,7 @@ int bgp_start(struct bgp_peer *peer, char *name, int as, int enable)
 
     if (!(peer->path_attrs = malloc(peer->path_attr_len)))
     {
 
     if (!(peer->path_attrs = malloc(peer->path_attr_len)))
     {

-       log(0, 0, 0, 0, "Can't allocate path_attrs for %s (%s)\n",
+       LOG(0, 0, 0, 0, "Can't allocate path_attrs for %s (%s)\n",

            name, strerror(errno));
 
        return 0;
            name, strerror(errno));
 
        return 0;


@@ -220,7 +220,7 @@ int bgp_start(struct bgp_peer *peer, char *name, int as, int enable)
 
     memcpy(peer->path_attrs, path_attrs, peer->path_attr_len);
 
 
     memcpy(peer->path_attrs, path_attrs, peer->path_attr_len);
 

-    log(4, 0, 0, 0, "Initiating BGP connection to %s (routing %s)\n",
+    LOG(4, 0, 0, 0, "Initiating BGP connection to %s (routing %s)\n",

        name, enable ? "enabled" : "suspended");
 
     /* we have at least one peer configured */
        name, enable ? "enabled" : "suspended");
 
     /* we have at least one peer configured */


@@ -259,7 +259,7 @@ static void bgp_clear(struct bgp_peer *peer)
        peer->state = peer->next_state;
        peer->state_time = time_now;
 
        peer->state = peer->next_state;
        peer->state_time = time_now;
 

-       log(4, 0, 0, 0, "BGP peer %s: state %s\n", peer->name,
+       LOG(4, 0, 0, 0, "BGP peer %s: state %s\n", peer->name,

            bgp_state_str(peer->next_state));
     }
 }
            bgp_state_str(peer->next_state));
     }
 }


@@ -267,14 +267,14 @@ static void bgp_clear(struct bgp_peer *peer)
 /* initiate a clean shutdown */
 void bgp_stop(struct bgp_peer *peer)
 {
 /* initiate a clean shutdown */
 void bgp_stop(struct bgp_peer *peer)
 {

-    log(4, 0, 0, 0, "Terminating BGP connection to %s\n", peer->name);
+    LOG(4, 0, 0, 0, "Terminating BGP connection to %s\n", peer->name);

     bgp_send_notification(peer, BGP_ERR_CEASE, 0);
 }
 
 /* drop connection (if any) and set state to Disabled */
 void bgp_halt(struct bgp_peer *peer)
 {
     bgp_send_notification(peer, BGP_ERR_CEASE, 0);
 }
 
 /* drop connection (if any) and set state to Disabled */
 void bgp_halt(struct bgp_peer *peer)
 {

-    log(4, 0, 0, 0, "Aborting BGP connection to %s\n", peer->name);
+    LOG(4, 0, 0, 0, "Aborting BGP connection to %s\n", peer->name);

     peer->next_state = Disabled;
     bgp_clear(peer);
 }
     peer->next_state = Disabled;
     bgp_clear(peer);
 }


@@ -384,7 +384,7 @@ int bgp_add_route(in_addr_t ip, in_addr_t mask)
     /* insert into route list; sorted */
     if (!(r = malloc(sizeof(*r))))
     {
     /* insert into route list; sorted */
     if (!(r = malloc(sizeof(*r))))
     {

-       log(0, 0, 0, 0, "Can't allocate route for %s/%d (%s)\n",
+       LOG(0, 0, 0, 0, "Can't allocate route for %s/%d (%s)\n",

            inet_toa(add.dest.prefix), add.dest.len, strerror(errno));
 
        return 0;
            inet_toa(add.dest.prefix), add.dest.len, strerror(errno));
 
        return 0;


@@ -398,7 +398,7 @@ int bgp_add_route(in_addr_t ip, in_addr_t mask)
        if (bgp_peers[i].state == Established)
            bgp_peers[i].update_routes = 1;
 
        if (bgp_peers[i].state == Established)
            bgp_peers[i].update_routes = 1;
 

-    log(4, 0, 0, 0, "Registered BGP route %s/%d\n", inet_toa(add.dest.prefix),
+    LOG(4, 0, 0, 0, "Registered BGP route %s/%d\n", inet_toa(add.dest.prefix),

        add.dest.len);
 
     return 1;
        add.dest.len);
 
     return 1;


@@ -447,7 +447,7 @@ int bgp_del_route(in_addr_t ip, in_addr_t mask)
        if (bgp_peers[i].state == Established)
            bgp_peers[i].update_routes = 1;
 
        if (bgp_peers[i].state == Established)
            bgp_peers[i].update_routes = 1;
 

-    log(4, 0, 0, 0, "Removed BGP route %s/%d\n", inet_toa(del.dest.prefix),
+    LOG(4, 0, 0, 0, "Removed BGP route %s/%d\n", inet_toa(del.dest.prefix),

        del.dest.len);
 
     return 1;
        del.dest.len);
 
     return 1;


@@ -467,7 +467,7 @@ void bgp_enable_routing(int enable)
            bgp_peers[i].update_routes = 1;
     }
 
            bgp_peers[i].update_routes = 1;
     }
 

-    log(4, 0, 0, 0, "%s BGP routing\n", enable ? "Enabled" : "Suspended");
+    LOG(4, 0, 0, 0, "%s BGP routing\n", enable ? "Enabled" : "Suspended");

 }
 
 /* return a bitmask indicating if the socket should be added to the
 }
 
 /* return a bitmask indicating if the socket should be added to the


@@ -573,7 +573,7 @@ int bgp_process(struct bgp_peer *peer, int readable, int writable)
     {
        if (time_now > peer->expire_time)
        {
     {
        if (time_now > peer->expire_time)
        {

-           log(1, 0, 0, 0, "No message from BGP peer %s in %ds\n",
+           LOG(1, 0, 0, 0, "No message from BGP peer %s in %ds\n",

                peer->name, peer->hold);
 
            bgp_send_notification(peer, BGP_ERR_HOLD_TIMER_EXP, 0);
                peer->name, peer->hold);
 
            bgp_send_notification(peer, BGP_ERR_HOLD_TIMER_EXP, 0);


@@ -590,7 +590,7 @@ int bgp_process(struct bgp_peer *peer, int readable, int writable)
     }
     else if (time_now > peer->state_time + BGP_KEEPALIVE_TIME)
     {
     }
     else if (time_now > peer->state_time + BGP_KEEPALIVE_TIME)
     {

-       log(1, 0, 0, 0, "%s timer expired for BGP peer %s\n",
+       LOG(1, 0, 0, 0, "%s timer expired for BGP peer %s\n",

            bgp_state_str(peer->state), peer->name);
 
        return bgp_restart(peer);
            bgp_state_str(peer->state), peer->name);
 
        return bgp_restart(peer);


@@ -650,7 +650,7 @@ static int bgp_connect(struct bgp_peer *peer)
        struct servent *serv;
        if (!(serv = getservbyname("bgp", "tcp")))
        {
        struct servent *serv;
        if (!(serv = getservbyname("bgp", "tcp")))
        {

-           log(0, 0, 0, 0, "Can't get bgp service (%s)\n", strerror(errno));
+           LOG(0, 0, 0, 0, "Can't get bgp service (%s)\n", strerror(errno));

            return 0;
        }
 
            return 0;
        }
 


@@ -659,7 +659,7 @@ static int bgp_connect(struct bgp_peer *peer)
 
     if ((peer->sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0)
     {
 
     if ((peer->sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0)
     {

-       log(0, 0, 0, 0, "Can't create a socket for BGP peer %s (%s)\n",
+       LOG(0, 0, 0, 0, "Can't create a socket for BGP peer %s (%s)\n",

            peer->name, strerror(errno));
 
        peer->state = peer->next_state = Disabled;
            peer->name, strerror(errno));
 
        peer->state = peer->next_state = Disabled;


@@ -682,7 +682,7 @@ static int bgp_connect(struct bgp_peer *peer)
 
        if (errno != EINPROGRESS)
        {
 
        if (errno != EINPROGRESS)
        {

-           log(1, 0, 0, 0, "Can't connect to BGP peer %s (%s)\n",
+           LOG(1, 0, 0, 0, "Can't connect to BGP peer %s (%s)\n",

                inet_ntoa(addr.sin_addr), strerror(errno));
 
            bgp_set_retry(peer);
                inet_ntoa(addr.sin_addr), strerror(errno));
 
            bgp_set_retry(peer);


@@ -692,7 +692,7 @@ static int bgp_connect(struct bgp_peer *peer)
        peer->state = Connect;
        peer->state_time = time_now;
 
        peer->state = Connect;
        peer->state_time = time_now;
 

-       log(4, 0, 0, 0, "BGP peer %s: state Connect\n", peer->name);
+       LOG(4, 0, 0, 0, "BGP peer %s: state Connect\n", peer->name);

        return 1;
     }
 
        return 1;
     }
 


@@ -700,7 +700,7 @@ static int bgp_connect(struct bgp_peer *peer)
     peer->state_time = time_now;
     peer->retry_time = peer->retry_count = 0;
 
     peer->state_time = time_now;
     peer->retry_time = peer->retry_count = 0;
 

-    log(4, 0, 0, 0, "BGP peer %s: state Active\n", inet_ntoa(addr.sin_addr));
+    LOG(4, 0, 0, 0, "BGP peer %s: state Active\n", inet_ntoa(addr.sin_addr));

 
     return bgp_send_open(peer);
 }
 
     return bgp_send_open(peer);
 }


@@ -713,7 +713,7 @@ static int bgp_handle_connect(struct bgp_peer *peer)
     getsockopt(peer->sock, SOL_SOCKET, SO_ERROR, &err, &len);
     if (err)
     {
     getsockopt(peer->sock, SOL_SOCKET, SO_ERROR, &err, &len);
     if (err)
     {

-       log(1, 0, 0, 0, "Can't connect to BGP peer %s (%s)\n", peer->name,
+       LOG(1, 0, 0, 0, "Can't connect to BGP peer %s (%s)\n", peer->name,

            strerror(err));
 
        bgp_set_retry(peer);
            strerror(err));
 
        bgp_set_retry(peer);


@@ -723,7 +723,7 @@ static int bgp_handle_connect(struct bgp_peer *peer)
     peer->state = Active;
     peer->state_time = time_now;
 
     peer->state = Active;
     peer->state_time = time_now;
 

-    log(4, 0, 0, 0, "BGP peer %s: state Active\n", peer->name);
+    LOG(4, 0, 0, 0, "BGP peer %s: state Active\n", peer->name);

 
     return bgp_send_open(peer);
 }
 
     return bgp_send_open(peer);
 }


@@ -744,9 +744,9 @@ static int bgp_write(struct bgp_peer *peer)
            return 1;
 
        if (errno == EPIPE)
            return 1;
 
        if (errno == EPIPE)

-           log(1, 0, 0, 0, "Connection to BGP peer %s closed\n", peer->name);
+           LOG(1, 0, 0, 0, "Connection to BGP peer %s closed\n", peer->name);

        else
        else

-           log(1, 0, 0, 0, "Can't write to BGP peer %s (%s)\n", peer->name,
+           LOG(1, 0, 0, 0, "Can't write to BGP peer %s (%s)\n", peer->name,

                strerror(errno));
 
        bgp_set_retry(peer);
                strerror(errno));
 
        bgp_set_retry(peer);


@@ -759,7 +759,7 @@ static int bgp_write(struct bgp_peer *peer)
        return 1;
     }
 
        return 1;
     }
 

-    log(4, 0, 0, 0, "Sent %s to BGP peer %s\n",
+    LOG(4, 0, 0, 0, "Sent %s to BGP peer %s\n",

        bgp_msg_type_str(peer->outbuf->packet.header.type), peer->name);
 
     peer->outbuf->packet.header.len = 0;
        bgp_msg_type_str(peer->outbuf->packet.header.type), peer->name);
 
     peer->outbuf->packet.header.len = 0;


@@ -779,7 +779,7 @@ static int bgp_write(struct bgp_peer *peer)
        peer->state = peer->next_state;
        peer->state_time = time_now;
 
        peer->state = peer->next_state;
        peer->state_time = time_now;
 

-       log(4, 0, 0, 0, "BGP peer %s: state %s\n", peer->name,
+       LOG(4, 0, 0, 0, "BGP peer %s: state %s\n", peer->name,

            bgp_state_str(peer->state));
     }
 
            bgp_state_str(peer->state));
     }
 


@@ -796,7 +796,7 @@ static int bgp_read(struct bgp_peer *peer)
     {
        if (!r)
        {
     {
        if (!r)
        {

-           log(1, 0, 0, 0, "Connection to BGP peer %s closed\n", peer->name);
+           LOG(1, 0, 0, 0, "Connection to BGP peer %s closed\n", peer->name);

        }
        else
        {
        }
        else
        {


@@ -806,7 +806,7 @@ static int bgp_read(struct bgp_peer *peer)
            if (errno == EAGAIN)
                return 1;
 
            if (errno == EAGAIN)
                return 1;
 

-           log(1, 0, 0, 0, "Can't read from BGP peer %s (%s)\n", peer->name,
+           LOG(1, 0, 0, 0, "Can't read from BGP peer %s (%s)\n", peer->name,

                strerror(errno));
        }
 
                strerror(errno));
        }
 


@@ -826,7 +826,7 @@ static int bgp_handle_input(struct bgp_peer *peer)
 
     if (len > BGP_MAX_PACKET_SIZE)
     {
 
     if (len > BGP_MAX_PACKET_SIZE)
     {

-       log(1, 0, 0, 0, "Bad header length from BGP %s\n", peer->name);
+       LOG(1, 0, 0, 0, "Bad header length from BGP %s\n", peer->name);

        bgp_send_notification(peer, BGP_ERR_HEADER, BGP_ERR_HDR_BAD_LEN);
        return 0;
     }
        bgp_send_notification(peer, BGP_ERR_HEADER, BGP_ERR_HDR_BAD_LEN);
        return 0;
     }


@@ -834,7 +834,7 @@ static int bgp_handle_input(struct bgp_peer *peer)
     if (peer->inbuf->done < len)
        return 0;
 
     if (peer->inbuf->done < len)
        return 0;
 

-    log(4, 0, 0, 0, "Received %s from BGP peer %s\n",
+    LOG(4, 0, 0, 0, "Received %s from BGP peer %s\n",

        bgp_msg_type_str(p->header.type), peer->name);
 
     switch (p->header.type)
        bgp_msg_type_str(p->header.type), peer->name);
 
     switch (p->header.type)


@@ -848,7 +848,7 @@ static int bgp_handle_input(struct bgp_peer *peer)
            {
                if ((unsigned char) p->header.marker[i] != 0xff)
                {
            {
                if ((unsigned char) p->header.marker[i] != 0xff)
                {

-                   log(1, 0, 0, 0, "Invalid marker from BGP peer %s\n",
+                   LOG(1, 0, 0, 0, "Invalid marker from BGP peer %s\n",

                        peer->name);
 
                    bgp_send_notification(peer, BGP_ERR_HEADER,
                        peer->name);
 
                    bgp_send_notification(peer, BGP_ERR_HEADER,


@@ -860,7 +860,7 @@ static int bgp_handle_input(struct bgp_peer *peer)
 
            if (peer->state != OpenSent)
            {
 
            if (peer->state != OpenSent)
            {

-               log(1, 0, 0, 0, "OPEN from BGP peer %s in %s state\n",
+               LOG(1, 0, 0, 0, "OPEN from BGP peer %s in %s state\n",

                    peer->name, bgp_state_str(peer->state));
 
                bgp_send_notification(peer, BGP_ERR_FSM, 0);
                    peer->name, bgp_state_str(peer->state));
 
                bgp_send_notification(peer, BGP_ERR_FSM, 0);


@@ -871,7 +871,7 @@ static int bgp_handle_input(struct bgp_peer *peer)
 
            if (data.version != BGP_VERSION)
            {
 
            if (data.version != BGP_VERSION)
            {

-               log(1, 0, 0, 0, "Bad version (%d) sent by BGP peer %s\n",
+               LOG(1, 0, 0, 0, "Bad version (%d) sent by BGP peer %s\n",

                    (int) data.version, peer->name);
 
                bgp_send_notification(peer, BGP_ERR_OPEN, BGP_ERR_OPN_VERSION);
                    (int) data.version, peer->name);
 
                bgp_send_notification(peer, BGP_ERR_OPEN, BGP_ERR_OPN_VERSION);


@@ -880,7 +880,7 @@ static int bgp_handle_input(struct bgp_peer *peer)
 
            if (ntohs(data.as) != peer->as)
            {
 
            if (ntohs(data.as) != peer->as)
            {

-               log(1, 0, 0, 0, "Bad AS sent by BGP peer %s (got %d, "
+               LOG(1, 0, 0, 0, "Bad AS sent by BGP peer %s (got %d, "

                    "expected %d)\n", peer->name, (int) htons(data.as),
                    (int) peer->as);
 
                    "expected %d)\n", peer->name, (int) htons(data.as),
                    (int) peer->as);
 


@@ -890,7 +890,7 @@ static int bgp_handle_input(struct bgp_peer *peer)
 
            if ((peer->hold = ntohs(data.hold_time)) < 10)
            {
 
            if ((peer->hold = ntohs(data.hold_time)) < 10)
            {

-               log(1, 0, 0, 0, "Bad hold time (%d) from BGP peer %s\n",
+               LOG(1, 0, 0, 0, "Bad hold time (%d) from BGP peer %s\n",

                    peer->hold, peer->name);
 
                bgp_send_notification(peer, BGP_ERR_OPEN, BGP_ERR_OPN_HOLD_TIME);
                    peer->hold, peer->name);
 
                bgp_send_notification(peer, BGP_ERR_OPEN, BGP_ERR_OPN_HOLD_TIME);


@@ -915,7 +915,7 @@ static int bgp_handle_input(struct bgp_peer *peer)
            peer->retry_count = 0;
            peer->retry_time = 0;
 
            peer->retry_count = 0;
            peer->retry_time = 0;
 

-           log(4, 0, 0, 0, "BGP peer %s: state Established\n", peer->name);
+           LOG(4, 0, 0, 0, "BGP peer %s: state Established\n", peer->name);

        }
 
        break;
        }
 
        break;


@@ -928,13 +928,13 @@ static int bgp_handle_input(struct bgp_peer *peer)
 
            if (notification->error_code == BGP_ERR_CEASE)
            {
 
            if (notification->error_code == BGP_ERR_CEASE)
            {

-               log(4, 0, 0, 0, "BGP peer %s sent CEASE\n", peer->name);
+               LOG(4, 0, 0, 0, "BGP peer %s sent CEASE\n", peer->name);

                bgp_halt(peer);
                return 0;
            }
 
            /* FIXME: should handle more notifications */
                bgp_halt(peer);
                return 0;
            }
 
            /* FIXME: should handle more notifications */

-           log(4, 0, 0, 0, "BGP peer %s sent unhandled NOTIFICATION %d\n",
+           LOG(4, 0, 0, 0, "BGP peer %s sent unhandled NOTIFICATION %d\n",

                peer->name, (int) notification->error_code);
        }
 
                peer->name, (int) notification->error_code);
        }
 


@@ -1053,7 +1053,7 @@ static int bgp_send_update(struct bgp_peer *peer)
            unf_len += s;
            len += s;
 
            unf_len += s;
            len += s;
 

-           log(5, 0, 0, 0, "Withdrawing route %s/%d from BGP peer %s\n",
+           LOG(5, 0, 0, 0, "Withdrawing route %s/%d from BGP peer %s\n",

                inet_toa(tmp->dest.prefix), tmp->dest.len, peer->name);
 
            free(tmp);
                inet_toa(tmp->dest.prefix), tmp->dest.len, peer->name);
 
            free(tmp);


@@ -1103,7 +1103,7 @@ static int bgp_send_update(struct bgp_peer *peer)
     {
        if (!(e = malloc(sizeof(*e))))
        {
     {
        if (!(e = malloc(sizeof(*e))))
        {

-           log(0, 0, 0, 0, "Can't allocate route for %s/%d (%s)\n",
+           LOG(0, 0, 0, 0, "Can't allocate route for %s/%d (%s)\n",

                inet_toa(add->dest.prefix), add->dest.len, strerror(errno));
 
            return 0;
                inet_toa(add->dest.prefix), add->dest.len, strerror(errno));
 
            return 0;


@@ -1127,7 +1127,7 @@ static int bgp_send_update(struct bgp_peer *peer)
        data += s;
        len += s;
 
        data += s;
        len += s;
 

-       log(5, 0, 0, 0, "Advertising route %s/%d to BGP peer %s\n",
+       LOG(5, 0, 0, 0, "Advertising route %s/%d to BGP peer %s\n",

            inet_toa(add->dest.prefix), add->dest.len, peer->name);
     }
     else
            inet_toa(add->dest.prefix), add->dest.len, peer->name);
     }
     else