X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=avahi-core%2Fserver.c;h=1630b29098b85ca4a1cfd91c86cef69afc294dcb;hb=d7a2e63033dd0d2d248b4cab7bf35e78f4049354;hp=da946e562f42220742c063aef06a193b86d2d1aa;hpb=b6820898d317c29a31f97018ede6da5195d16bfb;p=catta diff --git a/avahi-core/server.c b/avahi-core/server.c index da946e5..1630b29 100644 --- a/avahi-core/server.c +++ b/avahi-core/server.c @@ -35,6 +35,7 @@ #include "iface.h" #include "socket.h" #include "browse.h" +#include "log.h" #define AVAHI_HOST_RR_HOLDOFF_MSEC 2000 @@ -161,7 +162,7 @@ void avahi_server_prepare_matching_responses(AvahiServer *s, AvahiInterface *i, g_assert(i); g_assert(k); -/* g_message("Posting responses matching [%s]", txt = avahi_key_to_string(k)); */ +/* avahi_log_debug("Posting responses matching [%s]", txt = avahi_key_to_string(k)); */ /* g_free(txt); */ if (avahi_key_is_pattern(k)) { @@ -226,16 +227,21 @@ static void incoming_probe(AvahiServer *s, AvahiRecord *record, AvahiInterface * gint cmp; n = e->by_key_next; - if (e->dead || !avahi_entry_probing(s, e, i)) + if (e->dead) continue; if ((cmp = avahi_record_lexicographical_compare(e->record, record)) == 0) { ours = TRUE; break; - } else if (cmp > 0) - won = TRUE; - else /* cmp < 0 */ - lost = TRUE; + } else { + + if (avahi_entry_probing(s, e, i)) { + if (cmp > 0) + won = TRUE; + else /* cmp < 0 */ + lost = TRUE; + } + } } t = avahi_record_to_string(record); @@ -243,9 +249,9 @@ static void incoming_probe(AvahiServer *s, AvahiRecord *record, AvahiInterface * if (!ours) { if (won) - g_message("Recieved conflicting probe [%s]. Local host won.", t); + avahi_log_debug("xxx Recieved conflicting probe [%s]. Local host won.", t); else if (lost) { - g_message("Recieved conflicting probe [%s]. Local host lost. Withdrawing.", t); + avahi_log_debug("yyy Recieved conflicting probe [%s]. Local host lost. Withdrawing.", t); withdraw_rrset(s, record->key); } } @@ -262,7 +268,7 @@ static gboolean handle_conflict(AvahiServer *s, AvahiInterface *i, AvahiRecord * g_assert(record); -/* g_message("CHECKING FOR CONFLICT: [%s]", t); */ +/* avahi_log_debug("CHECKING FOR CONFLICT: [%s]", t); */ for (e = g_hash_table_lookup(s->entries_by_key, record->key); e; e = n) { n = e->by_key_next; @@ -272,36 +278,36 @@ static gboolean handle_conflict(AvahiServer *s, AvahiInterface *i, AvahiRecord * /* Either our entry or the other is intended to be unique, so let's check */ - if (avahi_entry_registered(s, e, i)) { - - if (avahi_record_equal_no_ttl(e->record, record)) { - ours = TRUE; /* We have an identical record, so this is no conflict */ + if (avahi_record_equal_no_ttl(e->record, record)) { + ours = TRUE; /* We have an identical record, so this is no conflict */ + + /* Check wheter there is a TTL conflict */ + if (record->ttl <= e->record->ttl/2 && + avahi_entry_registered(s, e, i)) { + gchar *t; + /* Refresh */ + t = avahi_record_to_string(record); - /* Check wheter there is a TTL conflict */ - if (record->ttl <= e->record->ttl/2) { - gchar *t; - /* Refresh */ - t = avahi_record_to_string(record); - - g_message("Recieved record with bad TTL [%s]. Refreshing.", t); - avahi_server_prepare_matching_responses(s, i, e->record->key, FALSE); - valid = FALSE; - - g_free(t); - } + avahi_log_debug("Recieved record with bad TTL [%s]. Refreshing.", t); + avahi_server_prepare_matching_responses(s, i, e->record->key, FALSE); + valid = FALSE; + + g_free(t); + } + + /* There's no need to check the other entries of this RRset */ + break; + + } else { + + if (avahi_entry_registered(s, e, i)) { - /* There's no need to check the other entries of this RRset */ - break; - } else { /* A conflict => we have to return to probe mode */ conflict = TRUE; conflicting_entry = e; - } - } else if (avahi_entry_probing(s, e, i)) { + } else if (avahi_entry_probing(s, e, i)) { - if (!avahi_record_equal_no_ttl(record, e->record)) { - /* We are currently registering a matching record, but * someone else already claimed it, so let's * withdraw */ @@ -311,7 +317,7 @@ static gboolean handle_conflict(AvahiServer *s, AvahiInterface *i, AvahiRecord * } } -/* g_message("ours=%i conflict=%i", ours, conflict); */ +/* avahi_log_debug("ours=%i conflict=%i", ours, conflict); */ if (!ours && conflict) { gchar *t; @@ -321,11 +327,11 @@ static gboolean handle_conflict(AvahiServer *s, AvahiInterface *i, AvahiRecord * t = avahi_record_to_string(record); if (withdraw_immediately) { - g_message("Recieved conflicting record [%s] with local record to be. Withdrawing.", t); + avahi_log_debug("Recieved conflicting record [%s] with local record to be. Withdrawing.", t); withdraw_rrset(s, record->key); } else { g_assert(conflicting_entry); - g_message("Recieved conflicting record [%s]. Resetting our record.", t); + avahi_log_debug("Recieved conflicting record [%s]. Resetting our record.", t); avahi_entry_return_to_initial_state(s, conflicting_entry, i); /* Local unique records are returned to probin @@ -375,7 +381,7 @@ void avahi_server_generate_response(AvahiServer *s, AvahiInterface *i, AvahiDnsP avahi_dns_packet_inc_field(reply, AVAHI_DNS_FIELD_ANCOUNT); else { gchar *t = avahi_record_to_string(r); - g_warning("Record [%s] not fitting in legacy unicast packet, dropping.", t); + avahi_log_warn("Record [%s] not fitting in legacy unicast packet, dropping.", t); g_free(t); } @@ -439,7 +445,7 @@ void avahi_server_generate_response(AvahiServer *s, AvahiInterface *i, AvahiDnsP avahi_dns_packet_free(reply); gchar *t = avahi_record_to_string(r); - g_warning("Record [%s] too large, doesn't fit in any packet!", t); + avahi_log_warn("Record [%s] too large, doesn't fit in any packet!", t); g_free(t); break; } else @@ -539,7 +545,7 @@ static void handle_query_packet(AvahiServer *s, AvahiDnsPacket *p, AvahiInterfac g_assert(i); g_assert(a); -/* g_message("query"); */ +/* avahi_log_debug("query"); */ g_assert(avahi_record_list_empty(s->record_list)); @@ -549,7 +555,7 @@ static void handle_query_packet(AvahiServer *s, AvahiDnsPacket *p, AvahiInterfac gboolean unicast_response = FALSE; if (!(key = avahi_dns_packet_consume_key(p, &unicast_response))) { - g_warning("Packet too short (1)"); + avahi_log_warn("Packet too short (1)"); goto fail; } @@ -566,7 +572,7 @@ static void handle_query_packet(AvahiServer *s, AvahiDnsPacket *p, AvahiInterfac gboolean unique = FALSE; if (!(record = avahi_dns_packet_consume_record(p, &unique))) { - g_warning("Packet too short (2)"); + avahi_log_warn("Packet too short (2)"); goto fail; } @@ -584,7 +590,7 @@ static void handle_query_packet(AvahiServer *s, AvahiDnsPacket *p, AvahiInterfac gboolean unique = FALSE; if (!(record = avahi_dns_packet_consume_record(p, &unique))) { - g_warning("Packet too short (3)"); + avahi_log_warn("Packet too short (3)"); goto fail; } @@ -614,7 +620,7 @@ static void handle_response_packet(AvahiServer *s, AvahiDnsPacket *p, AvahiInter g_assert(i); g_assert(a); -/* g_message("response"); */ +/* avahi_log_debug("response"); */ for (n = avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_ANCOUNT) + avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_ARCOUNT); n > 0; n--) { @@ -623,13 +629,13 @@ static void handle_response_packet(AvahiServer *s, AvahiDnsPacket *p, AvahiInter /* gchar *txt; */ if (!(record = avahi_dns_packet_consume_record(p, &cache_flush))) { - g_warning("Packet too short (4)"); + avahi_log_warn("Packet too short (4)"); break; } if (record->key->type != AVAHI_DNS_TYPE_ANY) { -/* g_message("Handling response: %s", txt = avahi_record_to_string(record)); */ +/* avahi_log_debug("Handling response: %s", txt = avahi_record_to_string(record)); */ /* g_free(txt); */ if (handle_conflict(s, i, record, cache_flush, a)) { @@ -739,7 +745,7 @@ static void reflect_legacy_unicast_query_packet(AvahiServer *s, AvahiDnsPacket * if (!s->config.enable_reflector) return; -/* g_message("legacy unicast reflectr"); */ +/* avahi_log_debug("legacy unicast reflectr"); */ /* Reflecting legacy unicast queries is a little more complicated than reflecting normal queries, since we must route the @@ -751,7 +757,7 @@ static void reflect_legacy_unicast_query_packet(AvahiServer *s, AvahiDnsPacket * if (!(slot = allocate_slot(s))) { /* No slot available, we drop this legacy unicast query */ - g_warning("No slot available for legacy unicast reflection, dropping query packet."); + avahi_log_warn("No slot available for legacy unicast reflection, dropping query packet."); return; } @@ -799,7 +805,7 @@ static gboolean originates_from_local_legacy_unicast_socket(AvahiServer *s, cons socklen_t l = sizeof(lsa); if (getsockname(s->fd_legacy_unicast_ipv4, &lsa, &l) != 0) - g_warning("getsockname(): %s", strerror(errno)); + avahi_log_warn("getsockname(): %s", strerror(errno)); else return lsa.sin_port == ((struct sockaddr_in*) sa)->sin_port; @@ -810,7 +816,7 @@ static gboolean originates_from_local_legacy_unicast_socket(AvahiServer *s, cons socklen_t l = sizeof(lsa); if (getsockname(s->fd_legacy_unicast_ipv6, &lsa, &l) != 0) - g_warning("getsockname(): %s", strerror(errno)); + avahi_log_warn("getsockname(): %s", strerror(errno)); else return lsa.sin6_port == ((struct sockaddr_in6*) sa)->sin6_port; } @@ -830,11 +836,11 @@ static void dispatch_packet(AvahiServer *s, AvahiDnsPacket *p, const struct sock if (!(i = avahi_interface_monitor_get_interface(s->monitor, iface, sa->sa_family)) || !avahi_interface_relevant(i)) { - g_warning("Recieved packet from invalid interface."); + avahi_log_warn("Recieved packet from invalid interface."); return; } -/* g_message("new packet recieved on interface '%s.%i'.", i->hardware->name, i->protocol); */ +/* avahi_log_debug("new packet recieved on interface '%s.%i'.", i->hardware->name, i->protocol); */ port = avahi_port_from_sockaddr(sa); avahi_address_from_sockaddr(sa, &a); @@ -848,7 +854,7 @@ static void dispatch_packet(AvahiServer *s, AvahiDnsPacket *p, const struct sock return; if (avahi_dns_packet_check_valid(p) < 0) { - g_warning("Recieved invalid packet."); + avahi_log_warn("Recieved invalid packet."); return; } @@ -856,7 +862,7 @@ static void dispatch_packet(AvahiServer *s, AvahiDnsPacket *p, const struct sock gboolean legacy_unicast = FALSE; if (avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_ARCOUNT) != 0) { - g_warning("Invalid query packet."); + avahi_log_warn("Invalid query packet."); return; } @@ -865,7 +871,7 @@ static void dispatch_packet(AvahiServer *s, AvahiDnsPacket *p, const struct sock if ((avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_ANCOUNT) != 0 || avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_NSCOUNT) != 0)) { - g_warning("Invalid legacy unicast query packet."); + avahi_log_warn("Invalid legacy unicast query packet."); return; } @@ -877,16 +883,16 @@ static void dispatch_packet(AvahiServer *s, AvahiDnsPacket *p, const struct sock handle_query_packet(s, p, i, &a, port, legacy_unicast); -/* g_message("Handled query"); */ +/* avahi_log_debug("Handled query"); */ } else { if (port != AVAHI_MDNS_PORT) { - g_warning("Recieved repsonse with invalid source port %u on interface '%s.%i'", port, i->hardware->name, i->protocol); + avahi_log_warn("Recieved repsonse with invalid source port %u on interface '%s.%i'", port, i->hardware->name, i->protocol); return; } if (ttl != 255) { - g_warning("Recieved response with invalid TTL %u on interface '%s.%i'.", ttl, i->hardware->name, i->protocol); + avahi_log_warn("Recieved response with invalid TTL %u on interface '%s.%i'.", ttl, i->hardware->name, i->protocol); if (s->config.check_response_ttl) return; } @@ -894,12 +900,12 @@ static void dispatch_packet(AvahiServer *s, AvahiDnsPacket *p, const struct sock if (avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_QDCOUNT) != 0 || avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_ANCOUNT) == 0 || avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_NSCOUNT) != 0) { - g_warning("Invalid response packet."); + avahi_log_warn("Invalid response packet."); return; } handle_response_packet(s, p, i, &a); -/* g_message("Handled response"); */ +/* avahi_log_debug("Handled response"); */ } } @@ -916,11 +922,11 @@ static void dispatch_legacy_unicast_packet(AvahiServer *s, AvahiDnsPacket *p, co if (!(i = avahi_interface_monitor_get_interface(s->monitor, iface, sa->sa_family)) || !avahi_interface_relevant(i)) { - g_warning("Recieved packet from invalid interface."); + avahi_log_warn("Recieved packet from invalid interface."); return; } -/* g_message("new legacy unicast packet recieved on interface '%s.%i'.", i->hardware->name, i->protocol); */ +/* avahi_log_debug("new legacy unicast packet recieved on interface '%s.%i'.", i->hardware->name, i->protocol); */ port = avahi_port_from_sockaddr(sa); avahi_address_from_sockaddr(sa, &a); @@ -930,12 +936,12 @@ static void dispatch_legacy_unicast_packet(AvahiServer *s, AvahiDnsPacket *p, co return; if (avahi_dns_packet_check_valid(p) < 0 || avahi_dns_packet_is_query(p)) { - g_warning("Recieved invalid packet."); + avahi_log_warn("Recieved invalid packet."); return; } if (!(slot = find_slot(s, avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_ID)))) { - g_warning("Recieved legacy unicast response with unknown id"); + avahi_log_warn("Recieved legacy unicast response with unknown id"); return; } @@ -1262,13 +1268,13 @@ AvahiServer *avahi_server_new(GMainContext *c, const AvahiServerConfig *sc, Avah } if (s->fd_ipv4 < 0 && s->config.use_ipv4) - g_message("Failed to create IPv4 socket, proceeding in IPv6 only mode"); + avahi_log_debug("Failed to create IPv4 socket, proceeding in IPv6 only mode"); else if (s->fd_ipv6 < 0 && s->config.use_ipv6) - g_message("Failed to create IPv6 socket, proceeding in IPv4 only mode"); + avahi_log_debug("Failed to create IPv6 socket, proceeding in IPv4 only mode"); s->fd_legacy_unicast_ipv4 = s->fd_ipv4 >= 0 && s->config.enable_reflector ? avahi_open_legacy_unicast_socket_ipv4() : -1; s->fd_legacy_unicast_ipv6 = s->fd_ipv6 >= 0 && s->config.enable_reflector ? avahi_open_legacy_unicast_socket_ipv6() : -1; - + if (c) g_main_context_ref(s->context = c); else