X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=avahi-core%2Fbrowse-service-type.c;h=25673faec99af4a44f5aa510bbe1865fd8647b3f;hb=7df29f3e6c12a937e7cf7e476c428da57b6a5d16;hp=7cd6cf76ebc725730a33eb90cd0350b2530eab4c;hpb=f43187377e0c89ba02ca23e88efa01bbb255e037;p=catta diff --git a/avahi-core/browse-service-type.c b/avahi-core/browse-service-type.c index 7cd6cf7..25673fa 100644 --- a/avahi-core/browse-service-type.c +++ b/avahi-core/browse-service-type.c @@ -25,98 +25,141 @@ #include +#include +#include +#include + #include "browse.h" -#include "util.h" #include "log.h" -struct AvahiServiceTypeBrowser { +struct AvahiSServiceTypeBrowser { AvahiServer *server; - gchar *domain_name; + char *domain_name; - AvahiRecordBrowser *record_browser; + AvahiSRecordBrowser *record_browser; - AvahiServiceTypeBrowserCallback callback; - gpointer userdata; + AvahiSServiceTypeBrowserCallback callback; + void* userdata; - AVAHI_LLIST_FIELDS(AvahiServiceTypeBrowser, browser); + AVAHI_LLIST_FIELDS(AvahiSServiceTypeBrowser, browser); }; -static void record_browser_callback(AvahiRecordBrowser*rr, AvahiIfIndex interface, AvahiProtocol protocol, AvahiBrowserEvent event, AvahiRecord *record, gpointer userdata) { - AvahiServiceTypeBrowser *b = userdata; - gchar *n, *e, *c; - - g_assert(rr); - g_assert(record); - g_assert(b); - - g_assert(record->key->type == AVAHI_DNS_TYPE_PTR); - - n = avahi_normalize_name(record->data.ptr.name); - - if (*n != '_') - goto fail; +static void record_browser_callback( + AvahiSRecordBrowser*rr, + AvahiIfIndex interface, + AvahiProtocol protocol, + AvahiBrowserEvent event, + AvahiRecord *record, + AvahiLookupResultFlags flags, + void* userdata) { - for (c = e = n; *c == '_';) { - c += strcspn(c, "."); - - if (*c == 0) + AvahiSServiceTypeBrowser *b = userdata; + char *n = NULL, *c = NULL; + + assert(rr); + assert(b); + + if (record) { + char *e; + + assert(record->key->type == AVAHI_DNS_TYPE_PTR); + + n = avahi_normalize_name(record->data.ptr.name); + + if (*n != '_') + goto fail; + + for (c = e = n; *c == '_';) { + c += strcspn(c, "."); + + if (*c == 0) + goto fail; + + assert(*c == '.'); + e = c; + c++; + } + + *e = 0; + + if (!avahi_domain_equal(c, b->domain_name)) goto fail; - - g_assert(*c == '.'); - e = c; - c++; } - - *e = 0; - - if (!avahi_domain_equal(c, b->domain_name)) - goto fail; - b->callback(b, interface, protocol, event, n, c, b->userdata); - g_free(n); - + b->callback(b, interface, protocol, event, n, c, flags, b->userdata); + avahi_free(n); + return; fail: avahi_log_warn("Invalid service type '%s'", n); - g_free(n); + avahi_free(n); } -AvahiServiceTypeBrowser *avahi_service_type_browser_new(AvahiServer *server, gint interface, AvahiProtocol protocol, const gchar *domain, AvahiServiceTypeBrowserCallback callback, gpointer userdata) { - AvahiServiceTypeBrowser *b; +AvahiSServiceTypeBrowser *avahi_s_service_type_browser_new( + AvahiServer *server, + AvahiIfIndex interface, + AvahiProtocol protocol, + const char *domain, + AvahiLookupFlags flags, + AvahiSServiceTypeBrowserCallback callback, + void* userdata) { + + AvahiSServiceTypeBrowser *b; AvahiKey *k; - gchar *n = NULL; + char *n = NULL; - g_assert(server); - g_assert(callback); + assert(server); + assert(callback); + + if (domain && !avahi_is_valid_domain_name(domain)) { + avahi_server_set_errno(server, AVAHI_ERR_INVALID_DOMAIN_NAME); + return NULL; + } + + if (!domain) + domain = server->domain_name; - b = g_new(AvahiServiceTypeBrowser, 1); + 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(AvahiSServiceTypeBrowser, 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; + AVAHI_LLIST_PREPEND(AvahiSServiceTypeBrowser, browser, server->service_type_browsers, b); - n = g_strdup_printf("_services._dns-sd._udp.%s", b->domain_name); + n = avahi_strdup_printf("_services._dns-sd._udp.%s", b->domain_name); k = avahi_key_new(n, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_PTR); - g_free(n); + avahi_free(n); - b->record_browser = avahi_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); - AVAHI_LLIST_PREPEND(AvahiServiceTypeBrowser, browser, server->service_type_browsers, b); + if (!b->record_browser) + return NULL; return b; } -void avahi_service_type_browser_free(AvahiServiceTypeBrowser *b) { - g_assert(b); +void avahi_s_service_type_browser_free(AvahiSServiceTypeBrowser *b) { + assert(b); - AVAHI_LLIST_REMOVE(AvahiServiceTypeBrowser, browser, b->server->service_type_browsers, b); + AVAHI_LLIST_REMOVE(AvahiSServiceTypeBrowser, browser, b->server->service_type_browsers, b); - avahi_record_browser_free(b->record_browser); - g_free(b->domain_name); - g_free(b); + if (b->record_browser) + avahi_s_record_browser_free(b->record_browser); + + avahi_free(b->domain_name); + avahi_free(b); }