X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=avahi-core%2Fbrowse-domain.c;h=e2eab44bafc79ad9fcf032c10ecf86b3660d2aca;hb=fa8febc102b08ad9c5ff4732dfa5dbfda7361874;hp=44ff291a025ff958ea8a9be6fe05434f1ad80974;hpb=4f0a5e7572a4257894b4bfede42c26d65152609e;p=catta diff --git a/avahi-core/browse-domain.c b/avahi-core/browse-domain.c index 44ff291..e2eab44 100644 --- a/avahi-core/browse-domain.c +++ b/avahi-core/browse-domain.c @@ -25,108 +25,125 @@ #include #include +#include #include "browse.h" -struct AvahiDomainBrowser { +struct AvahiSDomainBrowser { AvahiServer *server; - char *domain_name; - AvahiRecordBrowser *record_browser; - - AvahiDomainBrowserCallback callback; + AvahiSRecordBrowser *record_browser; + + AvahiSDomainBrowserCallback callback; void* userdata; - AVAHI_LLIST_FIELDS(AvahiDomainBrowser, browser); + AVAHI_LLIST_FIELDS(AvahiSDomainBrowser, browser); }; -static void record_browser_callback(AvahiRecordBrowser*rr, AvahiIfIndex interface, AvahiProtocol protocol, AvahiBrowserEvent event, AvahiRecord *record, void* userdata) { - AvahiDomainBrowser *b = userdata; - char *n; +static void record_browser_callback( + AvahiSRecordBrowser*rr, + AvahiIfIndex interface, + AvahiProtocol protocol, + AvahiBrowserEvent event, + AvahiRecord *record, + AvahiLookupResultFlags flags, + void* userdata) { + + AvahiSDomainBrowser *b = userdata; + char *n = NULL; assert(rr); - assert(record); assert(b); - - assert(record->key->type == AVAHI_DNS_TYPE_PTR); - - n = avahi_normalize_name(record->data.ptr.name); - b->callback(b, interface, protocol, event, n, b->userdata); - avahi_free(n); + + if (record) { + assert(record->key->type == AVAHI_DNS_TYPE_PTR); + n = record->data.ptr.name; + } + + b->callback(b, interface, protocol, event, n, flags, b->userdata); } -AvahiDomainBrowser *avahi_domain_browser_new(AvahiServer *server, AvahiIfIndex interface, AvahiProtocol protocol, const char *domain, AvahiDomainBrowserType type, AvahiDomainBrowserCallback callback, void* userdata) { - AvahiDomainBrowser *b; - AvahiKey *k; - char *n = NULL; + +AvahiSDomainBrowser *avahi_s_domain_browser_new( + AvahiServer *server, + AvahiIfIndex interface, + AvahiProtocol protocol, + const char *domain, + AvahiDomainBrowserType type, + AvahiLookupFlags flags, + AvahiSDomainBrowserCallback callback, + void* userdata) { + + static const char * const type_table[AVAHI_DOMAIN_BROWSER_MAX] = { + "r", + "dr", + "b", + "db", + "lb" + }; + + AvahiSDomainBrowser *b; + AvahiKey *k = NULL; + char n[AVAHI_DOMAIN_NAME_MAX]; + int r; assert(server); assert(callback); - assert(type >= AVAHI_DOMAIN_BROWSER_BROWSE && type <= AVAHI_DOMAIN_BROWSER_BROWSE_LEGACY); - if (domain && !avahi_is_valid_domain_name(domain)) { - avahi_server_set_errno(server, AVAHI_ERR_INVALID_DOMAIN_NAME); + AVAHI_CHECK_VALIDITY_RETURN_NULL(server, AVAHI_IF_VALID(interface), AVAHI_ERR_INVALID_INTERFACE); + AVAHI_CHECK_VALIDITY_RETURN_NULL(server, AVAHI_PROTO_VALID(protocol), AVAHI_ERR_INVALID_PROTOCOL); + AVAHI_CHECK_VALIDITY_RETURN_NULL(server, type < AVAHI_DOMAIN_BROWSER_MAX, AVAHI_ERR_INVALID_FLAGS); + AVAHI_CHECK_VALIDITY_RETURN_NULL(server, !domain || avahi_is_valid_domain_name(domain), AVAHI_ERR_INVALID_DOMAIN_NAME); + AVAHI_CHECK_VALIDITY_RETURN_NULL(server, AVAHI_FLAGS_VALID(flags, AVAHI_LOOKUP_USE_WIDE_AREA|AVAHI_LOOKUP_USE_MULTICAST), AVAHI_ERR_INVALID_FLAGS); + + if (!domain) + domain = server->domain_name; + + if ((r = avahi_service_name_join(n, sizeof(n), type_table[type], "_dns-sd._udp", domain)) < 0) { + avahi_server_set_errno(server, r); return NULL; } - - if (!(b = avahi_new(AvahiDomainBrowser, 1))) { + + if (!(b = avahi_new(AvahiSDomainBrowser, 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->callback = callback; b->userdata = userdata; + b->record_browser = NULL; - AVAHI_LLIST_PREPEND(AvahiDomainBrowser, browser, server->domain_browsers, b); - - switch (type) { - case AVAHI_DOMAIN_BROWSER_BROWSE: - n = avahi_strdup_printf("b._dns-sd._udp.%s", b->domain_name); - break; - case AVAHI_DOMAIN_BROWSER_BROWSE_DEFAULT: - n = avahi_strdup_printf("db._dns-sd._udp.%s", b->domain_name); - break; - case AVAHI_DOMAIN_BROWSER_REGISTER: - n = avahi_strdup_printf("r._dns-sd._udp.%s", b->domain_name); - break; - case AVAHI_DOMAIN_BROWSER_REGISTER_DEFAULT: - n = avahi_strdup_printf("dr._dns-sd._udp.%s", b->domain_name); - break; - case AVAHI_DOMAIN_BROWSER_BROWSE_LEGACY: - n = avahi_strdup_printf("lb._dns-sd._udp.%s", b->domain_name); - break; - - case AVAHI_DOMAIN_BROWSER_MAX: - assert(0); - break; - } - - assert(n); + AVAHI_LLIST_PREPEND(AvahiSDomainBrowser, browser, server->domain_browsers, b); - k = avahi_key_new(n, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_PTR); - avahi_free(n); - - b->record_browser = avahi_record_browser_new(server, interface, protocol, k, record_browser_callback, b); - avahi_key_unref(k); - - if (!b->record_browser) { - avahi_domain_browser_free(b); - return NULL; + if (!(k = avahi_key_new(n, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_PTR))) { + avahi_server_set_errno(server, AVAHI_ERR_NO_MEMORY); + goto fail; } + if (!(b->record_browser = avahi_s_record_browser_new(server, interface, protocol, k, flags, record_browser_callback, b))) + goto fail; + + avahi_key_unref(k); return b; + +fail: + + if (k) + avahi_key_unref(k); + + avahi_s_domain_browser_free(b); + + return NULL; } -void avahi_domain_browser_free(AvahiDomainBrowser *b) { +void avahi_s_domain_browser_free(AvahiSDomainBrowser *b) { assert(b); - AVAHI_LLIST_REMOVE(AvahiDomainBrowser, browser, b->server->domain_browsers, b); + AVAHI_LLIST_REMOVE(AvahiSDomainBrowser, browser, b->server->domain_browsers, b); if (b->record_browser) - avahi_record_browser_free(b->record_browser); + avahi_s_record_browser_free(b->record_browser); - avahi_free(b->domain_name); avahi_free(b); }