diff options
author | 2019-12-11 15:08:48 +0100 | |
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committer | 2019-12-11 15:08:48 +0100 | |
commit | ba89f69b00b052298c8689c4f0d62b4429f96516 (patch) | |
tree | 58532131bd779404e1ec57ae7bd6949b23b37401 /ctrl/facemgr/src/api.c | |
parent | 2f8f60f943b71e1caab14856c6a03c81e5ba6c9c (diff) |
[HICN-446] Face manager incorrectly sets up static routes in case of multihoming during startup
Change-Id: Iee01146d3d9437f0267cfac3de793608cccca5bc
Signed-off-by: Jordan Augé <jordan.auge+fdio@cisco.com>
Diffstat (limited to 'ctrl/facemgr/src/api.c')
-rw-r--r-- | ctrl/facemgr/src/api.c | 182 |
1 files changed, 141 insertions, 41 deletions
diff --git a/ctrl/facemgr/src/api.c b/ctrl/facemgr/src/api.c index ac436a433..4233c469b 100644 --- a/ctrl/facemgr/src/api.c +++ b/ctrl/facemgr/src/api.c @@ -97,6 +97,7 @@ extern interface_ops_t updown_ops; #endif extern interface_ops_t hicn_light_ops; +int facemgr_on_event(facemgr_t * facemgr, facelet_t * facelet); int facemgr_overlay_snprintf(char * s, size_t size, const facemgr_overlay_t * overlay) @@ -560,7 +561,8 @@ facelet_cache_lookup(const facelet_set_t * facelet_cache, facelet_t * facelet, ERROR("[facelet_cache_lookup] Error during cache match"); return -1; } - *cached_facelets = malloc(n * sizeof(facelet_t*)); + if (cached_facelets) + *cached_facelets = malloc(n * sizeof(facelet_t*)); int num_match = 0; for (unsigned i = 0; i < n; i++) { @@ -572,7 +574,9 @@ facelet_cache_lookup(const facelet_set_t * facelet_cache, facelet_t * facelet, if (!facelet_match(facelet_array[i], facelet)) { continue; } - (*cached_facelets)[num_match++] = facelet_array[i]; + if (cached_facelets) + (*cached_facelets)[num_match] = facelet_array[i]; + num_match++; } free(facelet_array); return num_match; @@ -618,6 +622,13 @@ facemgr_facelet_satisfy_rules(facemgr_t * facemgr, facelet_t * facelet) } #endif /* WITH_ANDROID_UTILITY */ + /* Default ignore list */ + if ((netdevice_type == NETDEVICE_TYPE_LOOPBACK) || (netdevice_type == NETDEVICE_TYPE_UNDEFINED)) { + DEBUG("Ignored interface '%s/%s'...", netdevice.name, + netdevice_type_str[netdevice_type]); + return -3; + } + /* Ignore */ bool ignore; if (facemgr_cfg_get_ignore(facemgr->cfg, &netdevice, netdevice_type, @@ -912,6 +923,7 @@ facemgr_complement_facelet(facemgr_t * facemgr, facelet_t * facelet) { int rc; + DEBUG("[facemgr_complement_facelet]"); if (!facelet_has_key(facelet)) return -2; @@ -944,7 +956,7 @@ facemgr_complement_facelet(facemgr_t * facemgr, facelet_t * facelet) return rc; #endif /* __linux__ */ - DEBUG("Complement manual"); + DEBUG("[facemgr_complement_facelet] Complement manual"); rc = facemgr_complement_facelet_manual(facemgr, facelet); if (rc != -2) @@ -1011,11 +1023,12 @@ facemgr_process_facelet(facemgr_t * facemgr, facelet_t * facelet) switch(rc) { case -3: /* Does not satisfy rules */ + DEBUG("[facemgr_process_facelet] Does not satisfy rules"); facelet_set_status(facelet, FACELET_STATUS_IGNORED); return 0; case -2: - /* Not enough information: AU in fact */ + DEBUG("[facemgr_process_facelet] Complementing facelet is required"); if (facemgr_complement_facelet(facemgr, facelet) < 0) { ERROR("[facemgr_process_facelet] Error while attempting to complement face for fields required by face creation"); goto ERR; @@ -1088,7 +1101,6 @@ facemgr_process_facelet(facemgr_t * facemgr, facelet_t * facelet) goto ERR; } - /* Facelets created from static get deleted */ #if 0 if (facelet_get_id(facelet) > 0) { if (facelet_set_remove(facemgr->facelet_cache, facelet, NULL) < 0) { @@ -1102,12 +1114,15 @@ facemgr_process_facelet(facemgr_t * facemgr, facelet_t * facelet) DEBUG("[facemgr_process_facelet] Cleaning cached data"); facelet_unset_local_addr(facelet); facelet_unset_local_port(facelet); - facelet_unset_remote_addr(facelet); - facelet_unset_remote_port(facelet); + if (facelet_get_id(facelet) == 0) { + facelet_unset_remote_addr(facelet); + facelet_unset_remote_port(facelet); + facelet_clear_routes(facelet); + } + facelet_unset_admin_state(facelet); facelet_unset_state(facelet); facelet_unset_bj_done(facelet); - facelet_clear_routes(facelet); #ifdef WITH_ANDROID_UTILITY facelet_unset_au_done(facelet); #endif /* WITH_ANDROID_UTILITY */ @@ -1329,7 +1344,10 @@ facemgr_consider_static_facelet(facemgr_t * facemgr, facelet_t * facelet) if (facelet_found) return 0; - facelet_set_id(static_facelet, ++facemgr->cur_static_id); + facemgr->cur_static_id++; + + facelet_set_id(static_facelet, facemgr->cur_static_id); + facelet_set_id(facelet, facemgr->cur_static_id); if (facelet_array_add(facemgr->static_facelets, static_facelet) < 0) { ERROR("[facemgr_consider_static_facelet] Could not add facelet to static array"); @@ -1345,6 +1363,78 @@ facemgr_consider_static_facelet(facemgr_t * facemgr, facelet_t * facelet) ERROR("[facemgr_consider_static_facelet] Error during facelet string output"); DEBUG("[facemgr_consider_static_facelet] Successfully added facelet to static array %s", facelet_s); +#if 1 + /* Force application of the static face on all existing interfaces */ + facelet_t ** facelet_array; + int n = facelet_set_get_array(facemgr->facelet_cache, &facelet_array); + if (n >= 0) { + for (unsigned i = 0; i < n; i++) { + facelet_t * cached_facelet = facelet_array[i]; + + netdevice_type_t netdevice_type; + if (facelet_get_netdevice_type(facelet, &netdevice_type) < 0) { + ERROR("[facemgr_consider_static_facelet] Error retrieving netdevice type from cached facelet"); + continue; + } + if ((netdevice_type == NETDEVICE_TYPE_LOOPBACK) || (netdevice_type == NETDEVICE_TYPE_UNDEFINED)) + continue; + + facelet_t * new_facelet = facelet_dup(cached_facelet); + facelet_unset_remote_addr(new_facelet); + facelet_unset_remote_port(new_facelet); + facelet_unset_admin_state(new_facelet); + facelet_unset_state(new_facelet); + facelet_unset_bj_done(new_facelet); + facelet_clear_routes(new_facelet); +#ifdef WITH_ANDROID_UTILITY + facelet_unset_au_done(new_facelet); +#endif /* WITH_ANDROID_UTILITY */ + + /* We try to apply static_facelet over facelet */ + if (!facelet_match(new_facelet, static_facelet)) { + facelet_free(new_facelet); + continue; + } + + if (facelet_merge(new_facelet, static_facelet) < 0) { + ERROR("[facemgr_consider_static_facelet] Error merging facelets"); + facelet_free(new_facelet); + continue; + } + + /* + * We need to set the id before checking for existence as tuple used + * is (id, netdevice, family) + */ + facelet_set_id(new_facelet, facemgr->cur_static_id); + + facelet_found = NULL; + if (facelet_set_get(facemgr->facelet_cache, new_facelet, &facelet_found) < 0) { + ERROR("[facemgr_consider_static_facelet] Error checking whether new static facelet already exists or not"); + continue; + } + + + /* Skip addition if facelet exists */ + if (facelet_found) { + facelet_free(new_facelet); + continue; + } + + facelet_set_attr_clean(new_facelet); + facelet_set_status(facelet, FACELET_STATUS_UNDEFINED); + + if (facemgr_on_event(facemgr, new_facelet) < 0) { + ERROR("[facemgr_process_facelet_create_no_family] Error creating static facelet for existing face"); + continue; + } + + INFO("Successfully created static facelet for existing face"); + } + free(facelet_array); + } +#endif + return 1; } @@ -1368,8 +1458,19 @@ facemgr_process_facelet_get(facemgr_t * facemgr, facelet_t * facelet) return -1; if (!IS_VALID_NETDEVICE(netdevice)) return -2; + facelet_set_status(facelet, FACELET_STATUS_CLEAN); + /* Skip if face exists */ + int n = facelet_cache_lookup(facemgr->facelet_cache, facelet, NULL); + if (n < 0) { + ERROR("[facemgr_process_facelet_get] Error during cache lookup"); + return -1; + } + assert (n <= 1); + if (n > 0) + return 0; + /* Process untagged faces */ netdevice_type_t netdevice_type; if (facelet_get_netdevice_type(facelet, &netdevice_type) < 0) { @@ -1405,36 +1506,31 @@ facemgr_process_facelet_get(facemgr_t * facemgr, facelet_t * facelet) return -2; } } - } - int n = facemgr_consider_static_facelet(facemgr, facelet); - if (n < 0) { - ERROR("[facemgr_process_facelet_get] Could not add facelet to static array"); - return -1; - } - if (n == 1) { - /* - * As a static facelet, it receives a new id not to be confused in the - * cache with default facelets - */ - facelet_set_id(facelet, ++facemgr->cur_static_id); + if ((netdevice_type == NETDEVICE_TYPE_UNDEFINED) || (netdevice_type == NETDEVICE_TYPE_LOOPBACK)) + return 0; + + if (facemgr_process_facelet(facemgr, facelet) < 0) { + ERROR("[facemgr_process_facelet_get] Error processing facelet"); + return -1; + } } - char facelet_s[MAXSZ_FACELET]; - facelet_snprintf(facelet_s, MAXSZ_FACELET, facelet); + if ((netdevice_type == NETDEVICE_TYPE_UNDEFINED) || (netdevice_type == NETDEVICE_TYPE_LOOPBACK)) + return 0; + if (facelet_set_add(facemgr->facelet_cache, facelet) < 0) { ERROR("[facemgr_process_facelet_get] Error adding received facelet to cache"); return -1; } - /* Proceed to the update is the facelet status is not clean */ - if (facelet_get_status(facelet) != FACELET_STATUS_CLEAN) { - if (facemgr_process_facelet(facemgr, facelet) < 0) { - ERROR("[facemgr_process_facelet_get] Error processing facelet"); - return -1; - } + n = facemgr_consider_static_facelet(facemgr, facelet); + if (n < 0) { + ERROR("[facemgr_process_facelet_get] Could not add facelet to static array"); + return -1; } + return 0; } @@ -1516,12 +1612,14 @@ facemgr_process_facelet_delete(facemgr_t * facemgr, facelet_t * facelet) DEBUG("[facemgr_process_facelet] Cleaning cached data"); facelet_unset_local_addr(facelet); facelet_unset_local_port(facelet); - facelet_unset_remote_addr(facelet); - facelet_unset_remote_port(facelet); + if (facelet_get_id(facelet) == 0) { + facelet_unset_remote_addr(facelet); + facelet_unset_remote_port(facelet); + facelet_clear_routes(facelet); + } facelet_unset_admin_state(facelet); facelet_unset_state(facelet); facelet_unset_bj_done(facelet); - facelet_clear_routes(facelet); #ifdef WITH_ANDROID_UTILITY facelet_unset_au_done(facelet); #endif /* WITH_ANDROID_UTILITY */ @@ -1555,8 +1653,6 @@ facemgr_process_facelet_delete(facemgr_t * facemgr, facelet_t * facelet) return 0; } -int facemgr_on_event(facemgr_t * facemgr, facelet_t * facelet); - int facemgr_process_facelet_create_no_family(facemgr_t * facemgr, facelet_t * facelet) { @@ -1624,7 +1720,6 @@ facemgr_process_facelet_create_no_family(facemgr_t * facemgr, facelet_t * facele continue; } facelet_set_id(facelet_new, facelet_get_id(static_facelet)); - /* The id must be different than 0 */ facelet_set_attr_clean(facelet_new); facelet_set_status(facelet, FACELET_STATUS_UNDEFINED); @@ -1668,6 +1763,17 @@ facemgr_on_event(facemgr_t * facemgr, facelet_t * facelet_in) facelet_set_netdevice_type(facelet_in, facemgr_get_netdevice_type(facemgr, netdevice.name)); } +#if 0 + netdevice_type_t netdevice_type; + if (facelet_get_netdevice_type(facelet_in, &netdevice_type) < 0) { + return 0; + } + + if ((netdevice_type == NETDEVICE_TYPE_UNDEFINED) || + (netdevice_type == NETDEVICE_TYPE_LOOPBACK)) + return 0; +#endif + char facelet_s[MAXSZ_FACELET]; facelet_snprintf(facelet_s, MAXSZ_FACELET, facelet_in); @@ -1864,12 +1970,6 @@ facemgr_on_event(facemgr_t * facemgr, facelet_t * facelet_in) ERROR("[facemgr_on_event] Error processing facelet DELETE event"); continue; } - /* - if (facelet_set_remove(facemgr->facelet_cache, facelet, NULL) < 0) { - ERROR("[facemgr_process_facelet] Could not remove down facelet from cache"); - goto ERR; - } - */ continue; case FACELET_EVENT_UNDEFINED: |