X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=avahi-core%2Fbrowse-dns-server.c;h=31da536ace66a4a005f3377845bca6f4068e69a6;hb=c4cbc73a5fdc59d90b5d3c8dadaff8f228b98671;hp=dd896deaff8c12571e80b3ded3ac842a9d0b6aa0;hpb=8b5cd6ffd9137b14b7ed678f10a551e3911e4a40;p=catta diff --git a/avahi-core/browse-dns-server.c b/avahi-core/browse-dns-server.c index dd896de..31da536 100644 --- a/avahi-core/browse-dns-server.c +++ b/avahi-core/browse-dns-server.c @@ -27,6 +27,7 @@ #include #include +#include #include "browse.h" #include "log.h" @@ -42,6 +43,7 @@ struct AvahiDNSServerInfo { AvahiRecord *srv_record; AvahiSHostNameResolver *host_name_resolver; AvahiAddress address; + AvahiLookupResultFlags flags; AVAHI_LLIST_FIELDS(AvahiDNSServerInfo, info); }; @@ -54,6 +56,7 @@ struct AvahiSDNSServerBrowser { AvahiSDNSServerBrowserCallback callback; void* userdata; AvahiProtocol aprotocol; + AvahiLookupFlags user_flags; unsigned n_info; @@ -92,67 +95,157 @@ static void server_info_free(AvahiSDNSServerBrowser *b, AvahiDNSServerInfo *i) { avahi_free(i); } -static void host_name_resolver_callback(AvahiSHostNameResolver *r, AvahiIfIndex interface, AvahiProtocol protocol, AvahiResolverEvent event, const char *host_name, const AvahiAddress *a, void* userdata) { +static void host_name_resolver_callback( + AvahiSHostNameResolver *r, + AvahiIfIndex interface, + AvahiProtocol protocol, + AvahiResolverEvent event, + const char *host_name, + const AvahiAddress *a, + AvahiLookupResultFlags flags, + void* userdata) { + AvahiDNSServerInfo *i = userdata; assert(r); assert(host_name); assert(i); - if (event == AVAHI_RESOLVER_FOUND) { - i->address = *a; - - i->browser->callback(i->browser, i->interface, i->protocol, AVAHI_BROWSER_NEW, i->srv_record->data.srv.name, &i->address, i->srv_record->data.srv.port, i->browser->userdata); + switch (event) { + case AVAHI_RESOLVER_FOUND: { + i->address = *a; + + i->browser->callback( + i->browser, + i->interface, + i->protocol, + AVAHI_BROWSER_NEW, + i->srv_record->data.srv.name, + &i->address, + i->srv_record->data.srv.port, + i->flags | flags, + i->browser->userdata); + + break; + } + + case AVAHI_RESOLVER_NOT_FOUND: + case AVAHI_RESOLVER_FAILURE: + case AVAHI_RESOLVER_TIMEOUT: + /* Ignore */ + break; } avahi_s_host_name_resolver_free(i->host_name_resolver); i->host_name_resolver = NULL; } -static void record_browser_callback(AvahiSRecordBrowser*rr, AvahiIfIndex interface, AvahiProtocol protocol, AvahiBrowserEvent event, AvahiRecord *record, void* userdata) { +static void record_browser_callback( + AvahiSRecordBrowser*rr, + AvahiIfIndex interface, + AvahiProtocol protocol, + AvahiBrowserEvent event, + AvahiRecord *record, + AvahiLookupResultFlags flags, + void* userdata) { + AvahiSDNSServerBrowser *b = userdata; assert(rr); - assert(record); assert(b); - assert(record->key->type == AVAHI_DNS_TYPE_SRV); - - if (event == AVAHI_BROWSER_NEW) { - AvahiDNSServerInfo *i; - - if (get_server_info(b, interface, protocol, record)) - return; - - if (b->n_info >= 10) - return; - - if (!(i = avahi_new(AvahiDNSServerInfo, 1))) - return; /* OOM */ - - i->browser = b; - i->interface = interface; - i->protocol = protocol; - i->srv_record = avahi_record_ref(record); - i->host_name_resolver = avahi_s_host_name_resolver_new(b->server, interface, protocol, record->data.srv.name, b->aprotocol, host_name_resolver_callback, i); - - AVAHI_LLIST_PREPEND(AvahiDNSServerInfo, info, b->info, i); - - b->n_info++; - } else if (event == AVAHI_BROWSER_REMOVE) { - AvahiDNSServerInfo *i; - - if (!(i = get_server_info(b, interface, protocol, record))) - return; - if (!i->host_name_resolver) - b->callback(b, interface, protocol, event, i->srv_record->data.srv.name, &i->address, i->srv_record->data.srv.port, b->userdata); - - server_info_free(b, i); + switch (event) { + case AVAHI_BROWSER_NEW: { + AvahiDNSServerInfo *i; + + assert(record); + assert(record->key->type == AVAHI_DNS_TYPE_SRV); + + if (get_server_info(b, interface, protocol, record)) + return; + + if (b->n_info >= 10) + return; + + if (!(i = avahi_new(AvahiDNSServerInfo, 1))) + return; /* OOM */ + + i->browser = b; + i->interface = interface; + i->protocol = protocol; + i->srv_record = avahi_record_ref(record); + i->host_name_resolver = avahi_s_host_name_resolver_new( + b->server, + interface, protocol, + record->data.srv.name, + b->aprotocol, + b->user_flags, + host_name_resolver_callback, i); + i->flags = flags; + + AVAHI_LLIST_PREPEND(AvahiDNSServerInfo, info, b->info, i); + + b->n_info++; + break; + } + + case AVAHI_BROWSER_REMOVE: { + AvahiDNSServerInfo *i; + + assert(record); + assert(record->key->type == AVAHI_DNS_TYPE_SRV); + + if (!(i = get_server_info(b, interface, protocol, record))) + return; + + if (!i->host_name_resolver) + b->callback( + b, + interface, + protocol, + event, + i->srv_record->data.srv.name, + &i->address, + i->srv_record->data.srv.port, + i->flags | flags, + b->userdata); + + server_info_free(b, i); + break; + } + + case AVAHI_BROWSER_FAILURE: + case AVAHI_BROWSER_NOT_FOUND: + case AVAHI_BROWSER_ALL_FOR_NOW: + case AVAHI_BROWSER_CACHE_EXHAUSTED: + + b->callback( + b, + interface, + protocol, + event, + NULL, + NULL, + 0, + flags, + b->userdata); + + break; } } -AvahiSDNSServerBrowser *avahi_s_dns_server_browser_new(AvahiServer *server, AvahiIfIndex interface, AvahiProtocol protocol, const char *domain, AvahiDNSServerType type, AvahiProtocol aprotocol, AvahiSDNSServerBrowserCallback callback, void* userdata) { +AvahiSDNSServerBrowser *avahi_s_dns_server_browser_new( + AvahiServer *server, + AvahiIfIndex interface, + AvahiProtocol protocol, + const char *domain, + AvahiDNSServerType type, + AvahiProtocol aprotocol, + AvahiLookupFlags flags, + AvahiSDNSServerBrowserCallback callback, + void* userdata) { + AvahiSDNSServerBrowser *b; AvahiKey *k; char *n = NULL; @@ -165,18 +258,27 @@ AvahiSDNSServerBrowser *avahi_s_dns_server_browser_new(AvahiServer *server, Avah avahi_server_set_errno(server, AVAHI_ERR_INVALID_DOMAIN_NAME); return NULL; } - + + if (!domain) + domain = server->domain_name; + + if (!AVAHI_FLAGS_VALID(flags, AVAHI_LOOKUP_USE_WIDE_AREA|AVAHI_LOOKUP_USE_MULTICAST)) { + avahi_server_set_errno(server, AVAHI_ERR_INVALID_FLAGS); + return NULL; + } + if (!(b = avahi_new(AvahiSDNSServerBrowser, 1))) { avahi_server_set_errno(server, AVAHI_ERR_NO_MEMORY); return NULL; } b->server = server; - b->domain_name = avahi_normalize_name(domain ? domain : "local"); + b->domain_name = avahi_normalize_name(domain); b->callback = callback; b->userdata = userdata; b->aprotocol = aprotocol; b->n_info = 0; + b->user_flags = flags; AVAHI_LLIST_HEAD_INIT(AvahiDNSServerInfo, b->info); AVAHI_LLIST_PREPEND(AvahiSDNSServerBrowser, browser, server->dns_server_browsers, b); @@ -185,7 +287,7 @@ AvahiSDNSServerBrowser *avahi_s_dns_server_browser_new(AvahiServer *server, Avah k = avahi_key_new(n, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_SRV); avahi_free(n); - b->record_browser = avahi_s_record_browser_new(server, interface, protocol, k, record_browser_callback, b); + b->record_browser = avahi_s_record_browser_new(server, interface, protocol, k, flags, record_browser_callback, b); avahi_key_unref(k); if (!b->record_browser) {