From c59053040ce927f2926e5a569b19bdd129c354a7 Mon Sep 17 00:00:00 2001 From: Dimitri Staessens Date: Tue, 7 Nov 2017 07:41:26 +0100 Subject: ipcpd: List adjacencies in link-state database The lsdb will now list management and data transfer adjacencies. Signed-off-by: Dimitri Staessens Signed-off-by: Sander Vrijders --- src/ipcpd/normal/pol/link_state.c | 31 +++++++++++++++++++++++++++---- 1 file changed, 27 insertions(+), 4 deletions(-) diff --git a/src/ipcpd/normal/pol/link_state.c b/src/ipcpd/normal/pol/link_state.c index 9c41dba3..3979328c 100644 --- a/src/ipcpd/normal/pol/link_state.c +++ b/src/ipcpd/normal/pol/link_state.c @@ -97,6 +97,7 @@ typedef int (* rtable_fn_t)(struct graph * graph, struct { struct list_head nbs; + size_t nbs_len; fset_t * mgmt_set; struct list_head db; @@ -156,7 +157,7 @@ static int lsdb_read(const char * path, pthread_rwlock_rdlock(&ls.db_lock); - if (ls.db_len == 0) { + if (ls.db_len + ls.nbs_len == 0) { pthread_rwlock_unlock(&ls.db_lock); return -EPERM; } @@ -184,17 +185,35 @@ static int lsdb_readdir(char *** buf) pthread_rwlock_rdlock(&ls.db_lock); - if (ls.db_len == 0) { + if (ls.db_len + ls.nbs_len == 0) { pthread_rwlock_unlock(&ls.db_lock); return 0; } - *buf = malloc(sizeof(**buf) * ls.db_len); + *buf = malloc(sizeof(**buf) * (ls.db_len + ls.nbs_len)); if (*buf == NULL) { pthread_rwlock_unlock(&ls.db_lock); return -ENOMEM; } + list_for_each(p, &ls.nbs) { + struct nb * nb = list_entry(p, struct nb, next); + char * str = (nb->type == NB_DT ? "dt." : "mgmt."); + sprintf(entry, "%s%" PRIu64, str, nb->addr); + (*buf)[idx] = malloc(strlen(entry) + 1); + if ((*buf)[idx] == NULL) { + while (--idx >= 0) + free(*buf[idx]); + free(buf); + pthread_rwlock_unlock(&ls.db_lock); + return -ENOMEM; + } + + strcpy((*buf)[idx], entry); + + idx++; + } + list_for_each(p, &ls.db) { struct adjacency * a = list_entry(p, struct adjacency, next); sprintf(entry, "%" PRIu64 ".%" PRIu64, a->src, a->dst); @@ -261,6 +280,8 @@ static int lsdb_add_nb(uint64_t addr, list_add_tail(&nb->next, p); + ++ls.nbs_len; + log_dbg("Type %s neighbor %" PRIu64 " added.", nb->type == NB_DT ? "dt" : "mgmt", addr); @@ -281,6 +302,7 @@ static int lsdb_del_nb(uint64_t addr, struct nb * nb = list_entry(p, struct nb, next); if (nb->addr == addr && nb->fd == fd) { list_del(&nb->next); + --ls.nbs_len; pthread_rwlock_unlock(&ls.db_lock); log_dbg("Type %s neighbor %" PRIu64 " deleted.", nb->type == NB_DT ? "dt" : "mgmt", addr); @@ -772,7 +794,8 @@ int link_state_init(enum pol_routing pr) if (pthread_create(&ls.listener, NULL, ls_conn_handle, NULL)) goto fail_pthread_create_listener; - ls.db_len = 0; + ls.db_len = 0; + ls.nbs_len = 0; rib_reg(LSDB, &r_ops); -- cgit v1.2.3