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pim-msdp: CLI and debug cleanup

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No functional change.

Signed-off-by: Anuradha Karuppiah <anuradhak@cumulusnetworks.com>
This commit is contained in:
anuradhak 2016-11-21 10:20:00 -08:00 committed by Donald Sharp
parent 7923d3178f
commit 15ad0c71e0
7 changed files with 162 additions and 167 deletions
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56
pimd/pim_cmd.c
View File

@ -5632,7 +5632,7 @@ ip_msdp_show_peers(struct vty *vty, u_char uj)
if (uj) {
json = json_object_new_object();
} else {
vty_out(vty, "Peer Local Mesh-group State Uptime%s", VTY_NEWLINE);
vty_out(vty, "Peer Local State Uptime SaCnt%s", VTY_NEWLINE);
}
for (ALL_LIST_ELEMENTS_RO(msdp->peer_list, mpnode, mp)) {
@ -5649,14 +5649,14 @@ ip_msdp_show_peers(struct vty *vty, u_char uj)
json_row = json_object_new_object();
json_object_string_add(json_row, "peer", peer_str);
json_object_string_add(json_row, "local", local_str);
json_object_string_add(json_row, "meshGroupName", mp->mesh_group_name);
json_object_string_add(json_row, "state", state_str);
json_object_string_add(json_row, "upTime", timebuf);
json_object_int_add(json_row, "saCount", mp->sa_cnt);
json_object_object_add(json, peer_str, json_row);
} else {
vty_out(vty, "%-15s %15s %16s %11s %8s%s",
peer_str, local_str, mp->mesh_group_name, state_str,
timebuf, VTY_NEWLINE);
vty_out(vty, "%-15s %15s %11s %8s %5d%s",
peer_str, local_str, state_str,
timebuf, mp->sa_cnt, VTY_NEWLINE);
}
}
@ -5711,12 +5711,13 @@ ip_msdp_show_peers_detail(struct vty *vty, const char *peer, u_char uj)
json_object_string_add(json_row, "meshGroupName", mp->mesh_group_name);
json_object_string_add(json_row, "state", state_str);
json_object_string_add(json_row, "upTime", timebuf);
json_object_string_add(json_row, "keepAliveTime", katimer);
json_object_string_add(json_row, "connRetryTime", crtimer);
json_object_string_add(json_row, "holdTime", holdtimer);
json_object_string_add(json_row, "keepAliveTimer", katimer);
json_object_string_add(json_row, "connRetryTimer", crtimer);
json_object_string_add(json_row, "holdTimer", holdtimer);
json_object_string_add(json_row, "lastReset", mp->last_reset);
json_object_int_add(json_row, "connAttempts", mp->conn_attempts);
json_object_int_add(json_row, "establishedFlaps", mp->est_flaps);
json_object_int_add(json_row, "establishedChanges", mp->est_flaps);
json_object_int_add(json_row, "saCount", mp->sa_cnt);
json_object_int_add(json_row, "kaSent", mp->ka_tx_cnt);
json_object_int_add(json_row, "kaRcvd", mp->ka_rx_cnt);
json_object_int_add(json_row, "saSent", mp->sa_tx_cnt);
@ -5724,18 +5725,19 @@ ip_msdp_show_peers_detail(struct vty *vty, const char *peer, u_char uj)
json_object_object_add(json, peer_str, json_row);
} else {
vty_out(vty, "Peer : %s%s", peer_str, VTY_NEWLINE);
vty_out(vty, " Local : %s%s", local_str, VTY_NEWLINE);
vty_out(vty, " Mesh Group : %s%s", mp->mesh_group_name, VTY_NEWLINE);
vty_out(vty, " State : %s%s", state_str, VTY_NEWLINE);
vty_out(vty, " Uptime : %s%s", timebuf, VTY_NEWLINE);
vty_out(vty, " Local : %s%s", local_str, VTY_NEWLINE);
vty_out(vty, " Mesh Group : %s%s", mp->mesh_group_name, VTY_NEWLINE);
vty_out(vty, " State : %s%s", state_str, VTY_NEWLINE);
vty_out(vty, " Uptime : %s%s", timebuf, VTY_NEWLINE);
vty_out(vty, " Keepalive Time : %s%s", katimer, VTY_NEWLINE);
vty_out(vty, " Conn Retry Time : %s%s", crtimer, VTY_NEWLINE);
vty_out(vty, " Hold Time : %s%s", holdtimer, VTY_NEWLINE);
vty_out(vty, " Last Reset : %s%s", mp->last_reset, VTY_NEWLINE);
vty_out(vty, " Conn Attempts : %d%s", mp->conn_attempts, VTY_NEWLINE);
vty_out(vty, " Established Flaps: %d%s", mp->est_flaps, VTY_NEWLINE);
vty_out(vty, " Statistics :%s", VTY_NEWLINE);
vty_out(vty, " Keepalive Timer : %s%s", katimer, VTY_NEWLINE);
vty_out(vty, " Conn Retry Timer : %s%s", crtimer, VTY_NEWLINE);
vty_out(vty, " Hold Timer : %s%s", holdtimer, VTY_NEWLINE);
vty_out(vty, " Last Reset : %s%s", mp->last_reset, VTY_NEWLINE);
vty_out(vty, " Conn Attempts : %d%s", mp->conn_attempts, VTY_NEWLINE);
vty_out(vty, " Established Changes : %d%s", mp->est_flaps, VTY_NEWLINE);
vty_out(vty, " SA Count : %d%s", mp->sa_cnt, VTY_NEWLINE);
vty_out(vty, " Statistics :%s", VTY_NEWLINE);
vty_out(vty, " Sent Rcvd%s", VTY_NEWLINE);
vty_out(vty, " Keepalives : %10d %10d%s",
mp->ka_tx_cnt, mp->ka_rx_cnt, VTY_NEWLINE);
@ -5894,16 +5896,16 @@ ip_msdp_show_sa_entry_detail(struct pim_msdp_sa *sa, const char *src_str,
json_object_string_add(json_row, "local", local_str);
json_object_string_add(json_row, "sptSetup", spt_str);
json_object_string_add(json_row, "upTime", timebuf);
json_object_string_add(json_row, "stateTime", statetimer);
json_object_string_add(json_row, "stateTimer", statetimer);
json_object_object_add(json_group, src_str, json_row);
} else {
vty_out(vty, "SA : %s%s", sa->sg_str, VTY_NEWLINE);
vty_out(vty, " RP : %s%s", rp_str, VTY_NEWLINE);
vty_out(vty, " Peer : %s%s", peer_str, VTY_NEWLINE);
vty_out(vty, " Local : %s%s", local_str, VTY_NEWLINE);
vty_out(vty, " SPT Setup : %s%s", spt_str, VTY_NEWLINE);
vty_out(vty, " Uptime : %s%s", timebuf, VTY_NEWLINE);
vty_out(vty, " State Time : %s%s", statetimer, VTY_NEWLINE);
vty_out(vty, " RP : %s%s", rp_str, VTY_NEWLINE);
vty_out(vty, " Peer : %s%s", peer_str, VTY_NEWLINE);
vty_out(vty, " Local : %s%s", local_str, VTY_NEWLINE);
vty_out(vty, " SPT Setup : %s%s", spt_str, VTY_NEWLINE);
vty_out(vty, " Uptime : %s%s", timebuf, VTY_NEWLINE);
vty_out(vty, " State Timer : %s%s", statetimer, VTY_NEWLINE);
vty_out(vty, "%s", VTY_NEWLINE);
}
}

136
pimd/pim_msdp.c
View File

@ -58,29 +58,10 @@ static void pim_msdp_mg_mbr_free(struct pim_msdp_mg_mbr *mbr);
static void pim_msdp_mg_mbr_do_del(struct pim_msdp_mg *mg, struct pim_msdp_mg_mbr *mbr);
/************************ SA cache management ******************************/
char *
pim_msdp_sa_key_dump(struct pim_msdp_sa *sa, char *buf, int buf_size, bool long_format)
{
char rp_str[INET_ADDRSTRLEN];
if (long_format && (sa->flags & PIM_MSDP_SAF_PEER)) {
pim_inet4_dump("<rp?>", sa->rp, rp_str, sizeof(rp_str));
snprintf(buf, buf_size, "MSDP SA %s rp %s",
sa->sg_str, rp_str);
} else {
snprintf(buf, buf_size, "MSDP SA %s", sa->sg_str);
}
return buf;
}
static void
pim_msdp_sa_timer_expiry_log(struct pim_msdp_sa *sa, const char *timer_str)
{
char key_str[PIM_MSDP_SA_KEY_STRLEN];
pim_msdp_sa_key_dump(sa, key_str, sizeof(key_str), false);
zlog_debug("%s %s timer expired", key_str, timer_str);
zlog_debug("MSDP SA %s %s timer expired", sa->sg_str, timer_str);
}
/* RFC-3618:Sec-5.1 - global active source advertisement timer */
@ -88,7 +69,7 @@ static int
pim_msdp_sa_adv_timer_cb(struct thread *t)
{
msdp->sa_adv_timer = NULL;
if (PIM_DEBUG_MSDP_INTERNAL) {
if (PIM_DEBUG_MSDP_EVENTS) {
zlog_debug("MSDP SA advertisment timer expired");
}
@ -147,9 +128,7 @@ pim_msdp_sa_upstream_del(struct pim_msdp_sa *sa)
}
if (PIM_DEBUG_MSDP_EVENTS) {
char key_str[PIM_MSDP_SA_KEY_STRLEN];
pim_msdp_sa_key_dump(sa, key_str, sizeof(key_str), true);
zlog_debug("%s de-referenced SPT", key_str);
zlog_debug("MSDP SA %s de-referenced SPT", sa->sg_str);
}
}
@ -197,15 +176,6 @@ pim_msdp_sa_upstream_update(struct pim_msdp_sa *sa,
struct pim_upstream *xg_up, const char *ctx)
{
struct pim_upstream *up;
char key_str[PIM_MSDP_SA_KEY_STRLEN];
if (PIM_DEBUG_MSDP_EVENTS || PIM_DEBUG_MSDP_INTERNAL) {
pim_msdp_sa_key_dump(sa, key_str, sizeof(key_str), true);
}
if (PIM_DEBUG_MSDP_INTERNAL) {
zlog_debug("%s upstream update on %s", key_str, ctx);
}
if (!pim_msdp_sa_upstream_add_ok(sa, xg_up)) {
pim_msdp_sa_upstream_del(sa);
@ -222,7 +192,7 @@ pim_msdp_sa_upstream_update(struct pim_msdp_sa *sa,
/* somehow we lost track of the upstream ptr? best log it */
sa->up = up;
if (PIM_DEBUG_MSDP_EVENTS) {
zlog_debug("%s SPT reference missing", key_str);
zlog_debug("MSDP SA %s SPT reference missing", sa->sg_str);
}
return;
}
@ -240,11 +210,11 @@ pim_msdp_sa_upstream_update(struct pim_msdp_sa *sa,
/* should we also start the kat in parallel? we will need it when the
* SA ages out */
if (PIM_DEBUG_MSDP_EVENTS) {
zlog_debug("%s referenced SPT", key_str);
zlog_debug("MSDP SA %s referenced SPT", sa->sg_str);
}
} else {
if (PIM_DEBUG_MSDP_EVENTS) {
zlog_debug("%s SPT reference failed", key_str);
zlog_debug("MSDP SA %s SPT reference failed", sa->sg_str);
}
}
}
@ -269,7 +239,7 @@ pim_msdp_sa_new(struct prefix_sg *sg, struct in_addr rp)
}
sa->sg = *sg;
pim_str_sg_set (sg, sa->sg_str);
pim_str_sg_set(sg, sa->sg_str);
sa->rp = rp;
sa->uptime = pim_time_monotonic_sec();
@ -283,10 +253,7 @@ pim_msdp_sa_new(struct prefix_sg *sg, struct in_addr rp)
listnode_add_sort(msdp->sa_list, sa);
if (PIM_DEBUG_MSDP_EVENTS) {
char key_str[PIM_MSDP_SA_KEY_STRLEN];
pim_msdp_sa_key_dump(sa, key_str, sizeof(key_str), true);
zlog_debug("%s created", key_str);
zlog_debug("MSDP SA %s created", sa->sg_str);
}
return sa;
@ -329,16 +296,39 @@ pim_msdp_sa_del(struct pim_msdp_sa * sa)
hash_release(msdp->sa_hash, sa);
if (PIM_DEBUG_MSDP_EVENTS) {
char key_str[PIM_MSDP_SA_KEY_STRLEN];
pim_msdp_sa_key_dump(sa, key_str, sizeof(key_str), true /* long */);
zlog_debug("%s deleted", key_str);
zlog_debug("MSDP SA %s deleted", sa->sg_str);
}
/* free up any associated memory */
pim_msdp_sa_free(sa);
}
static void
pim_msdp_sa_peer_ip_set(struct pim_msdp_sa *sa, struct pim_msdp_peer *mp)
{
struct pim_msdp_peer *old_mp;
/* optimize the "no change" case as it will happen
* frequently/periodically */
if (mp && (sa->peer.s_addr == mp->peer.s_addr)) {
return;
}
if (PIM_INADDR_ISNOT_ANY(sa->peer)) {
old_mp = pim_msdp_peer_find(sa->peer);
if (old_mp && old_mp->sa_cnt) {
--old_mp->sa_cnt;
}
}
if (mp) {
++mp->sa_cnt;
sa->peer = mp->peer;
} else {
sa->peer.s_addr = PIM_NET_INADDR_ANY;
}
}
/* When a local active-source is removed there is no way to withdraw the
* source from peers. We will simply remove it from the SA cache so it will
* not be sent in supsequent SA updates. Peers will consequently timeout the
@ -350,17 +340,12 @@ pim_msdp_sa_del(struct pim_msdp_sa * sa)
static void
pim_msdp_sa_deref(struct pim_msdp_sa *sa, enum pim_msdp_sa_flags flags)
{
char key_str[PIM_MSDP_SA_KEY_STRLEN];
bool update_up = false;
if (PIM_DEBUG_MSDP_EVENTS) {
pim_msdp_sa_key_dump(sa, key_str, sizeof(key_str), true);
}
if ((sa->flags &PIM_MSDP_SAF_LOCAL)) {
if (flags & PIM_MSDP_SAF_LOCAL) {
if (PIM_DEBUG_MSDP_EVENTS) {
zlog_debug("%s local reference removed", key_str);
zlog_debug("MSDP SA %s local reference removed", sa->sg_str);
}
if (msdp->local_cnt)
--msdp->local_cnt;
@ -370,9 +355,10 @@ pim_msdp_sa_deref(struct pim_msdp_sa *sa, enum pim_msdp_sa_flags flags)
if ((sa->flags &PIM_MSDP_SAF_PEER)) {
if (flags & PIM_MSDP_SAF_PEER) {
if (PIM_DEBUG_MSDP_EVENTS) {
zlog_debug("%s peer reference removed", key_str);
zlog_debug("MSDP SA %s peer reference removed", sa->sg_str);
}
pim_msdp_sa_state_timer_setup(sa, false /* start */);
pim_msdp_sa_peer_ip_set(sa, NULL /* mp */);
/* if peer ref was removed we need to remove the msdp reference on the
* msdp entry */
update_up = true;
@ -394,26 +380,21 @@ pim_msdp_sa_ref(struct pim_msdp_peer *mp, struct prefix_sg *sg,
struct in_addr rp)
{
struct pim_msdp_sa *sa;
char key_str[PIM_MSDP_SA_KEY_STRLEN];
sa = pim_msdp_sa_add(sg, rp);
if (!sa) {
return;
}
if (PIM_DEBUG_MSDP_EVENTS) {
pim_msdp_sa_key_dump(sa, key_str, sizeof(key_str), true);
}
/* reference it */
if (mp) {
if (!(sa->flags & PIM_MSDP_SAF_PEER)) {
sa->flags |= PIM_MSDP_SAF_PEER;
if (PIM_DEBUG_MSDP_EVENTS) {
zlog_debug("%s added by peer", key_str);
zlog_debug("MSDP SA %s added by peer", sa->sg_str);
}
}
sa->peer = mp->peer;
pim_msdp_sa_peer_ip_set(sa, mp);
/* start/re-start the state timer to prevent cache expiry */
pim_msdp_sa_state_timer_setup(sa, true /* start */);
/* We re-evaluate SA "SPT-trigger" everytime we hear abt it from a
@ -425,7 +406,7 @@ pim_msdp_sa_ref(struct pim_msdp_peer *mp, struct prefix_sg *sg,
sa->flags |= PIM_MSDP_SAF_LOCAL;
++msdp->local_cnt;
if (PIM_DEBUG_MSDP_EVENTS) {
zlog_debug("%s added locally", key_str);
zlog_debug("MSDP SA %s added locally", sa->sg_str);
}
/* send an immediate SA update to peers */
pim_msdp_pkt_sa_tx_one(sa);
@ -719,11 +700,9 @@ static void
pim_msdp_peer_state_chg_log(struct pim_msdp_peer *mp)
{
char state_str[PIM_MSDP_STATE_STRLEN];
char key_str[PIM_MSDP_PEER_KEY_STRLEN];
pim_msdp_state_dump(mp->state, state_str, sizeof(state_str));
pim_msdp_peer_key_dump(mp, key_str, sizeof(key_str), false);
zlog_debug("%s state chg to %s", key_str, state_str);
zlog_debug("MSDP peer %s state chg to %s", mp->key_str, state_str);
}
/* MSDP Connection State Machine actions (defined in RFC-3618:Sec-11.2) */
@ -800,10 +779,7 @@ pim_msdp_peer_stop_tcp_conn(struct pim_msdp_peer *mp, bool chg_state)
}
if (PIM_DEBUG_MSDP_INTERNAL) {
char key_str[PIM_MSDP_PEER_KEY_STRLEN];
pim_msdp_peer_key_dump(mp, key_str, sizeof(key_str), false);
zlog_debug("%s pim_msdp_peer_stop_tcp_conn", key_str);
zlog_debug("MSDP peer %s pim_msdp_peer_stop_tcp_conn", mp->key_str);
}
/* stop read and write threads */
PIM_MSDP_PEER_READ_OFF(mp);
@ -832,10 +808,7 @@ void
pim_msdp_peer_reset_tcp_conn(struct pim_msdp_peer *mp, const char *rc_str)
{
if (PIM_DEBUG_EVENTS) {
char key_str[PIM_MSDP_PEER_KEY_STRLEN];
pim_msdp_peer_key_dump(mp, key_str, sizeof(key_str), false);
zlog_debug("%s tcp reset %s", key_str, rc_str);
zlog_debug("MSDP peer %s tcp reset %s", mp->key_str, rc_str);
snprintf(mp->last_reset, sizeof(mp->last_reset), "%s", rc_str);
}
@ -851,10 +824,7 @@ pim_msdp_peer_reset_tcp_conn(struct pim_msdp_peer *mp, const char *rc_str)
static void
pim_msdp_peer_timer_expiry_log(struct pim_msdp_peer *mp, const char *timer_str)
{
char key_str[PIM_MSDP_PEER_KEY_STRLEN];
pim_msdp_peer_key_dump(mp, key_str, sizeof(key_str), false);
zlog_debug("%s %s timer expired", key_str, timer_str);
zlog_debug("MSDP peer %s %s timer expired", mp->key_str, timer_str);
}
/* RFC-3618:Sec-5.4 - peer hold timer */
@ -926,10 +896,7 @@ pim_msdp_peer_active_connect(struct pim_msdp_peer *mp)
rc = pim_msdp_sock_connect(mp);
if (PIM_DEBUG_MSDP_INTERNAL) {
char key_str[PIM_MSDP_PEER_KEY_STRLEN];
pim_msdp_peer_key_dump(mp, key_str, sizeof(key_str), false);
zlog_debug("%s pim_msdp_peer_active_connect: %d", key_str, rc);
zlog_debug("MSDP peer %s pim_msdp_peer_active_connect: %d", mp->key_str, rc);
}
switch (rc) {
@ -1032,6 +999,7 @@ pim_msdp_peer_new(struct in_addr peer_addr, struct in_addr local_addr,
}
mp->peer = peer_addr;
pim_inet4_dump("<peer?>", mp->peer, mp->key_str, sizeof(mp->key_str));
pim_msdp_addr2su(&mp->su_peer, mp->peer);
mp->local = local_addr;
/* XXX: originator_id setting needs to move to the mesh group */
@ -1055,10 +1023,7 @@ pim_msdp_peer_new(struct in_addr peer_addr, struct in_addr local_addr,
listnode_add_sort(msdp->peer_list, mp);
if (PIM_DEBUG_MSDP_EVENTS) {
char key_str[PIM_MSDP_PEER_KEY_STRLEN];
pim_msdp_peer_key_dump(mp, key_str, sizeof(key_str), true);
zlog_debug("%s created", key_str);
zlog_debug("MSDP peer %s created", mp->key_str);
pim_msdp_peer_state_chg_log(mp);
}
@ -1147,10 +1112,7 @@ pim_msdp_peer_do_del(struct pim_msdp_peer *mp)
hash_release(msdp->peer_hash, mp);
if (PIM_DEBUG_MSDP_EVENTS) {
char key_str[PIM_MSDP_PEER_KEY_STRLEN];
pim_msdp_peer_key_dump(mp, key_str, sizeof(key_str), true);
zlog_debug("%s deleted", key_str);
zlog_debug("MSDP peer %s deleted", mp->key_str);
}
/* free up any associated memory */

5
pimd/pim_msdp.h
View File

@ -53,8 +53,6 @@ enum pim_msdp_err {
};
#define PIM_MSDP_STATE_STRLEN 16
#define PIM_MSDP_PEER_KEY_STRLEN 80
#define PIM_MSDP_SA_KEY_STRLEN 80
#define PIM_MSDP_UPTIME_STRLEN 80
#define PIM_MSDP_TIMER_STRLEN 12
#define PIM_MSDP_TCP_PORT 639
@ -103,6 +101,7 @@ struct pim_msdp_peer {
struct in_addr local;
struct in_addr peer;
char *mesh_group_name;
char key_str[INET_ADDRSTRLEN];
/* state */
enum pim_msdp_peer_state state;
@ -131,6 +130,7 @@ struct pim_msdp_peer {
/* stats */
uint32_t conn_attempts;
uint32_t est_flaps;
uint32_t sa_cnt; /* number of SAs attributed to this peer */
#define PIM_MSDP_PEER_LAST_RESET_STR 20
char last_reset[PIM_MSDP_PEER_LAST_RESET_STR];
@ -217,7 +217,6 @@ int pim_msdp_write(struct thread *thread);
char *pim_msdp_peer_key_dump(struct pim_msdp_peer *mp, char *buf, int buf_size, bool long_format);
int pim_msdp_config_write(struct vty *vty);
void pim_msdp_peer_pkt_txed(struct pim_msdp_peer *mp);
char *pim_msdp_sa_key_dump(struct pim_msdp_sa *sa, char *buf, int buf_size, bool long_format);
void pim_msdp_sa_ref(struct pim_msdp_peer *mp, struct prefix_sg *sg, struct in_addr rp);
void pim_msdp_sa_local_update(struct pim_upstream *up);
void pim_msdp_sa_local_del(struct prefix_sg *sg);

99
pimd/pim_msdp_packet.c
View File

@ -64,17 +64,65 @@ pim_msdp_pkt_type_dump(enum pim_msdp_tlv type, char *buf, int buf_size)
}
static void
pim_msdp_pkt_dump(struct pim_msdp_peer *mp, int type, int len, bool rx)
pim_msdp_pkt_sa_dump_one(struct stream *s)
{
struct prefix_sg sg;
/* just throw away the three reserved bytes */
stream_get3(s);
/* throw away the prefix length also */
stream_getc(s);
memset(&sg, 0, sizeof (struct prefix_sg));
sg.grp.s_addr = stream_get_ipv4(s);
sg.src.s_addr = stream_get_ipv4(s);
zlog_debug(" sg %s", pim_str_sg_dump(&sg));
}
static void
pim_msdp_pkt_sa_dump(struct stream *s)
{
int entry_cnt;
int i;
struct in_addr rp; /* Last RP address associated with this SA */
entry_cnt = stream_getc(s);
rp.s_addr = stream_get_ipv4(s);
if (PIM_DEBUG_MSDP_PACKETS) {
char rp_str[INET_ADDRSTRLEN];
pim_inet4_dump("<rp?>", rp, rp_str, sizeof(rp_str));
zlog_debug(" entry_cnt %d rp %s", entry_cnt, rp_str);
}
/* dump SAs */
for (i = 0; i < entry_cnt; ++i) {
pim_msdp_pkt_sa_dump_one(s);
}
}
static void
pim_msdp_pkt_dump(struct pim_msdp_peer *mp, int type, int len, bool rx,
struct stream *s)
{
char key_str[PIM_MSDP_PEER_KEY_STRLEN];
char type_str[PIM_MSDP_PKT_TYPE_STRLEN];
pim_msdp_peer_key_dump(mp, key_str, sizeof(key_str), false);
pim_msdp_pkt_type_dump(type, type_str, sizeof(type_str));
zlog_debug("%s pkt %s type %s len %d",
key_str, rx?"rx":"tx", type_str, len);
/* XXX: dump actual data */
zlog_debug("MSDP peer %s pkt %s type %s len %d",
mp->key_str, rx?"rx":"tx", type_str, len);
if (!s) {
return;
}
switch(type) {
case PIM_MSDP_V4_SOURCE_ACTIVE:
pim_msdp_pkt_sa_dump(s);
break;
default:;
}
}
/* Check file descriptor whether connect is established. */
@ -88,7 +136,6 @@ pim_msdp_connect_check(struct pim_msdp_peer *mp)
if (mp->state != PIM_MSDP_CONNECTING) {
/* if we are here it means we are not in a connecting or established state
* for now treat this as a fatal error */
/* XXX:revisit; reset TCP connection */
pim_msdp_peer_reset_tcp_conn(mp, "invalid-state");
return;
}
@ -103,22 +150,17 @@ pim_msdp_connect_check(struct pim_msdp_peer *mp)
/* If getsockopt is fail, this is fatal error. */
if (ret < 0) {
zlog_err("can't get sockopt for nonblocking connect");
/* XXX:revisit; reset TCP connection */
pim_msdp_peer_reset_tcp_conn(mp, "connect-failed");
return;
}
/* When status is 0 then TCP connection is established. */
if (PIM_DEBUG_MSDP_INTERNAL) {
char key_str[PIM_MSDP_PEER_KEY_STRLEN];
pim_msdp_peer_key_dump(mp, key_str, sizeof(key_str), false);
zlog_debug("%s pim_connect_check %s", key_str, status?"fail":"success");
zlog_debug("MSDP peer %s pim_connect_check %s", mp->key_str, status?"fail":"success");
}
if (status == 0) {
pim_msdp_peer_established(mp);
} else {
/* XXX:revisit; reset TCP connection */
pim_msdp_peer_reset_tcp_conn(mp, "connect-failed");
}
}
@ -150,18 +192,14 @@ pim_msdp_write(struct thread *thread)
struct stream *s;
int num;
enum pim_msdp_tlv type;
int len;
int work_cnt = 0;
char key_str[PIM_MSDP_PEER_KEY_STRLEN];
mp = THREAD_ARG(thread);
mp->t_write = NULL;
if (PIM_DEBUG_MSDP_INTERNAL) {
pim_msdp_peer_key_dump(mp, key_str, sizeof(key_str), false);
}
if (PIM_DEBUG_MSDP_INTERNAL) {
zlog_debug("%s pim_msdp_write", key_str);
zlog_debug("MSDP peer %s pim_msdp_write", mp->key_str);
}
if (mp->fd < 0) {
return -1;
@ -195,12 +233,11 @@ pim_msdp_write(struct thread *thread)
/* write failed either retry needed or error */
if (ERRNO_IO_RETRY(errno)) {
if (PIM_DEBUG_MSDP_INTERNAL) {
zlog_debug("%s pim_msdp_write io retry", key_str);
zlog_debug("MSDP peer %s pim_msdp_write io retry", mp->key_str);
}
break;
}
/* XXX:revisit; reset TCP connection */
pim_msdp_peer_reset_tcp_conn(mp, "pkt-tx-failed");
return 0;
}
@ -209,7 +246,7 @@ pim_msdp_write(struct thread *thread)
/* Partial write */
stream_forward_getp(s, num);
if (PIM_DEBUG_MSDP_INTERNAL) {
zlog_debug("%s pim_msdp_partial_write", key_str);
zlog_debug("MSDP peer %s pim_msdp_partial_write", mp->key_str);
}
break;
}
@ -217,6 +254,7 @@ pim_msdp_write(struct thread *thread)
/* Retrieve msdp packet type. */
stream_set_getp(s,0);
type = stream_getc(s);
len = stream_getw(s);
switch (type)
{
case PIM_MSDP_KEEPALIVE:
@ -228,7 +266,7 @@ pim_msdp_write(struct thread *thread)
default:;
}
if (PIM_DEBUG_MSDP_PACKETS) {
pim_msdp_pkt_dump(mp, type, writenum, false /*rx*/);
pim_msdp_pkt_dump(mp, type, len, false /*rx*/, s);
}
/* packet sent delete it. */
@ -243,7 +281,7 @@ pim_msdp_write(struct thread *thread)
sockopt_cork(mp->fd, 0);
if (PIM_DEBUG_MSDP_INTERNAL) {
zlog_debug("%s pim_msdp_write wrote %d packets", key_str, work_cnt);
zlog_debug("MSDP peer %s pim_msdp_write wrote %d packets", mp->key_str, work_cnt);
}
return 0;
@ -301,10 +339,7 @@ pim_msdp_pkt_sa_push(struct pim_msdp_peer *mp)
} else {
for (ALL_LIST_ELEMENTS_RO(msdp->peer_list, mpnode, mp)) {
if (PIM_DEBUG_MSDP_INTERNAL) {
char key_str[PIM_MSDP_PEER_KEY_STRLEN];
pim_msdp_peer_key_dump(mp, key_str, sizeof(key_str), false);
zlog_debug("%s pim_msdp_pkt_sa_push", key_str);
zlog_debug("MSDP peer %s pim_msdp_pkt_sa_push", mp->key_str);
}
pim_msdp_pkt_sa_push_to_one_peer(mp);
}
@ -413,7 +448,6 @@ pim_msdp_pkt_sa_tx_to_one_peer(struct pim_msdp_peer *mp)
static void
pim_msdp_pkt_rxed_with_fatal_error(struct pim_msdp_peer *mp)
{
/* XXX:revisit; reset TCP connection */
pim_msdp_peer_reset_tcp_conn(mp, "invalid-pkt-rx");
}
@ -519,7 +553,7 @@ pim_msdp_pkt_rx(struct pim_msdp_peer *mp)
}
if (PIM_DEBUG_MSDP_PACKETS) {
pim_msdp_pkt_dump(mp, type, len, true /*rx*/);
pim_msdp_pkt_dump(mp, type, len, true /*rx*/, NULL /*s*/);
}
switch(type) {
@ -581,10 +615,7 @@ pim_msdp_read(struct thread *thread)
mp->t_read = NULL;
if (PIM_DEBUG_MSDP_INTERNAL) {
char key_str[PIM_MSDP_PEER_KEY_STRLEN];
pim_msdp_peer_key_dump(mp, key_str, sizeof(key_str), false);
zlog_debug("%s pim_msdp_read", key_str);
zlog_debug("MSDP peer %s pim_msdp_read", mp->key_str);
}
if (mp->fd < 0) {

3
pimd/pim_msdp_packet.h
View File

@ -57,8 +57,7 @@
#define PIM_MSDP_SA_TLV_MIN_SIZE PIM_MSDP_SA_ENTRY_CNT2SIZE(1)
#define PIM_MSDP_SA_MAX_ENTRY_CNT ((PIM_MSDP_SA_TLV_MAX_SIZE - PIM_MSDP_SA_X_SIZE)/PIM_MSDP_SA_ONE_ENTRY_SIZE)
/* XXX: this is just a guesstimate - need to revist */
#define PIM_MSDP_MAX_PACKET_SIZE (PIM_MSDP_SA_TLV_MAX_SIZE + PIM_MSDP_KA_TLV_MAX_SIZE)
#define PIM_MSDP_MAX_PACKET_SIZE max(PIM_MSDP_SA_TLV_MAX_SIZE, PIM_MSDP_KA_TLV_MAX_SIZE)
#define PIM_MSDP_PKT_TYPE_STRLEN 16

28
pimd/pim_msdp_socket.c
View File

@ -86,25 +86,26 @@ pim_msdp_sock_accept(struct thread *thread)
mp = pim_msdp_peer_find(su.sin.sin_addr);
if (!mp || !PIM_MSDP_PEER_IS_LISTENER(mp)) {
++msdp->rejected_accepts;
//XXX: make debug event
zlog_err("msdp peer connection refused from %s",
sockunion2str(&su, buf, SU_ADDRSTRLEN));
if (PIM_DEBUG_MSDP_EVENTS) {
zlog_err("msdp peer connection refused from %s",
sockunion2str(&su, buf, SU_ADDRSTRLEN));
}
close(msdp_sock);
return -1;
}
if (PIM_DEBUG_MSDP_INTERNAL) {
char key_str[PIM_MSDP_PEER_KEY_STRLEN];
pim_msdp_peer_key_dump(mp, key_str, sizeof(key_str), false);
zlog_debug("%s accept success%s", key_str, mp->fd>=0?"(dup)":"");
zlog_debug("MSDP peer %s accept success%s", mp->key_str, mp->fd>=0?"(dup)":"");
}
/* if we have an existing connection we need to kill that one
* with this one */
if (mp->fd >= 0) {
/* XXX: revisit */
pim_msdp_peer_stop_tcp_conn(mp, false /* chg_state */);
if (PIM_DEBUG_MSDP_EVENTS) {
zlog_err("msdp peer new connection from %s stop old connection",
sockunion2str(&su, buf, SU_ADDRSTRLEN));
}
pim_msdp_peer_stop_tcp_conn(mp, true /* chg_state */);
}
mp->fd = msdp_sock;
set_nonblocking(mp->fd);
@ -187,16 +188,15 @@ pim_msdp_sock_connect(struct pim_msdp_peer *mp)
int rc;
if (PIM_DEBUG_MSDP_INTERNAL) {
char key_str[PIM_MSDP_PEER_KEY_STRLEN];
pim_msdp_peer_key_dump(mp, key_str, sizeof(key_str), false);
zlog_debug("%s attempt connect%s", key_str, mp->fd<0?"":"(dup)");
zlog_debug("MSDP peer %s attempt connect%s", mp->key_str, mp->fd<0?"":"(dup)");
}
/* if we have an existing connection we need to kill that one
* with this one */
if (mp->fd >= 0) {
/* XXX: revisit */
if (PIM_DEBUG_MSDP_EVENTS) {
zlog_err("msdp duplicate connect to %s nuke old connection", mp->key_str);
}
pim_msdp_peer_stop_tcp_conn(mp, false /* chg_state */);
}

2
pimd/pimd.h
View File

@ -52,6 +52,8 @@
#define PIM_INADDR_IS_ANY(addr) (addr).s_addr == PIM_NET_INADDR_ANY
#define PIM_INADDR_ISNOT_ANY(addr) ((addr).s_addr != PIM_NET_INADDR_ANY) /* struct in_addr addr */
#define max(x,y) ((x) > (y) ? (x) : (y))
#define PIM_MASK_PIM_EVENTS (1 << 0)
#define PIM_MASK_PIM_EVENTS_DETAIL (1 << 1)
#define PIM_MASK_PIM_PACKETS (1 << 2)