X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=avahi-client%2Fbrowser.c;h=1aaae8c48c4aa44373ef3bab3554648c29de06e2;hb=8185ec8431c51946095d3f11e80545e3519f67cf;hp=3e3011004ebe37ce27f1fdb7cfd75e0196d8d2ae;hpb=5e9d4f12153a28fa85609724b6c5161712e12ef3;p=catta diff --git a/avahi-client/browser.c b/avahi-client/browser.c index 3e30110..1aaae8c 100644 --- a/avahi-client/browser.c +++ b/avahi-client/browser.c @@ -23,218 +23,548 @@ #include #endif -#include -#include -#include -#include #include #include #include -#define DBUS_API_SUBJECT_TO_CHANGE #include -#include -#include +#include +#include +#include +#include +#include #include "client.h" #include "internal.h" -/* AvahiDomainBrowser */ - -AvahiDomainBrowser* avahi_domain_browser_new (AvahiClient *client, AvahiIfIndex interface, AvahiProtocol protocol, char *domain, AvahiDomainBrowserType btype, AvahiDomainBrowserCallback callback, void *user_data) -{ - AvahiDomainBrowser *tmp = NULL; - DBusMessage *message = NULL, *reply; +AvahiDomainBrowser* avahi_domain_browser_new( + AvahiClient *client, + AvahiIfIndex interface, + AvahiProtocol protocol, + const char *domain, + AvahiDomainBrowserType btype, + AvahiLookupFlags flags, + AvahiDomainBrowserCallback callback, + void *userdata) { + + AvahiDomainBrowser *db = NULL; + DBusMessage *message = NULL, *reply = NULL; DBusError error; char *path; + int32_t i_interface, i_protocol, i_flags, bt; - if (client == NULL) - return NULL; + assert(client); + assert(callback); dbus_error_init (&error); - message = dbus_message_new_method_call (AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, - AVAHI_DBUS_INTERFACE_SERVER, "DomainBrowserNew"); + if (client->state == AVAHI_CLIENT_DISCONNECTED) { + avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE); + goto fail; + } - if (!dbus_message_append_args (message, DBUS_TYPE_INT32, &interface, DBUS_TYPE_INT32, &protocol, DBUS_TYPE_STRING, &domain, DBUS_TYPE_INT32, &btype, DBUS_TYPE_INVALID)) - goto dbus_error; + if (!domain) + domain = ""; - reply = dbus_connection_send_with_reply_and_block (client->bus, message, -1, &error); + if (!(db = avahi_new (AvahiDomainBrowser, 1))) { + avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY); + goto fail; + } - if (dbus_error_is_set (&error) || reply == NULL) - goto dbus_error; + db->client = client; + db->callback = callback; + db->userdata = userdata; + db->path = NULL; - if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID)) - goto dbus_error; + AVAHI_LLIST_PREPEND(AvahiDomainBrowser, domain_browsers, client->domain_browsers, db); - if (dbus_error_is_set (&error) || path == NULL) - goto dbus_error; + if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "DomainBrowserNew"))) { + avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY); + goto fail; + } - tmp = malloc (sizeof (AvahiDomainBrowser)); - tmp->client = client; - tmp->callback = callback; - tmp->user_data = user_data; - tmp->path = strdup (path); + i_interface = (int32_t) interface; + i_protocol = (int32_t) protocol; + i_flags = (int32_t) flags; + bt = btype; + + if (!(dbus_message_append_args( + message, + DBUS_TYPE_INT32, &i_interface, + DBUS_TYPE_INT32, &i_protocol, + DBUS_TYPE_STRING, &domain, + DBUS_TYPE_INT32, &bt, + DBUS_TYPE_INT32, &flags, + DBUS_TYPE_INVALID))) { + avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY); + goto fail; + } - AVAHI_LLIST_PREPEND(AvahiDomainBrowser, domain_browsers, client->domain_browsers, tmp); + if (!(reply = dbus_connection_send_with_reply_and_block (client->bus, message, -1, &error)) || + dbus_error_is_set(&error)) { + avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR); + goto fail; + } - return tmp; + if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) || + dbus_error_is_set(&error) || + !path) { + avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR); + goto fail; + } -dbus_error: - dbus_error_free (&error); - avahi_client_set_errno (client, AVAHI_ERR_DBUS_ERROR); + if (!(db->path = avahi_strdup(path))) { + + /* FIXME: We don't remove the object on the server side */ + + avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY); + goto fail; + } + + dbus_message_unref(message); + dbus_message_unref(reply); + + return db; + +fail: + + if (dbus_error_is_set(&error)) { + avahi_client_set_dbus_error(client, &error); + dbus_error_free(&error); + } + + if (db) + avahi_domain_browser_free(db); + + if (message) + dbus_message_unref(message); + + if (reply) + dbus_message_unref(reply); return NULL; } -char* -avahi_domain_browser_path (AvahiDomainBrowser *b) +AvahiClient* avahi_domain_browser_get_client (AvahiDomainBrowser *b) { - return b->path; + assert(b); + return b->client; } -DBusHandlerResult -avahi_domain_browser_event (AvahiClient *client, AvahiBrowserEvent event, DBusMessage *message) -{ - AvahiDomainBrowser *n, *db = NULL; +int avahi_domain_browser_free (AvahiDomainBrowser *b) { + AvahiClient *client; + int r = AVAHI_OK; + + assert(b); + client = b->client; + + if (b->path && client->state != AVAHI_CLIENT_DISCONNECTED) + r = avahi_client_simple_method_call(client, b->path, AVAHI_DBUS_INTERFACE_DOMAIN_BROWSER, "Free"); + + AVAHI_LLIST_REMOVE(AvahiDomainBrowser, domain_browsers, client->domain_browsers, b); + + avahi_free(b->path); + avahi_free(b); + + return r; +} + +DBusHandlerResult avahi_domain_browser_event (AvahiClient *client, AvahiBrowserEvent event, DBusMessage *message) { + AvahiDomainBrowser *db = NULL; DBusError error; const char *path; - char *domain; - int interface, protocol; + char *domain = NULL; + int32_t interface = AVAHI_IF_UNSPEC, protocol = AVAHI_PROTO_UNSPEC, flags = 0; + assert(client); + assert(message); + dbus_error_init (&error); - path = dbus_message_get_path (message); - - if (path == NULL) - goto out; + if (!(path = dbus_message_get_path(message))) + goto fail; - for (n = client->domain_browsers; n != NULL; n = n->domain_browsers_next) - { - printf ("cmp: %s, %s\n", n->path, path); - if (strcmp (n->path, path) == 0) { - db = n; + for (db = client->domain_browsers; db; db = db->domain_browsers_next) + if (strcmp (db->path, path) == 0) break; + + if (!db) + goto fail; + + if (event == AVAHI_BROWSER_NEW || event == AVAHI_BROWSER_REMOVE) { + if (!dbus_message_get_args( + message, &error, + DBUS_TYPE_INT32, &interface, + DBUS_TYPE_INT32, &protocol, + DBUS_TYPE_STRING, &domain, + DBUS_TYPE_INT32, &flags, + DBUS_TYPE_INVALID) || + dbus_error_is_set (&error)) { + fprintf(stderr, "Failed to parse browser event.\n"); + goto fail; } } - if (db == NULL) - goto out; - - dbus_message_get_args (message, &error, DBUS_TYPE_INT32, &interface, - DBUS_TYPE_INT32, &protocol, DBUS_TYPE_STRING, &domain, DBUS_TYPE_INVALID); - - if (dbus_error_is_set (&error)) - goto out; - - db->callback (db, interface, protocol, event, domain, db->user_data); + db->callback(db, (AvahiIfIndex) interface, (AvahiProtocol) protocol, event, domain, (AvahiLookupResultFlags) flags, db->userdata); return DBUS_HANDLER_RESULT_HANDLED; -out: +fail: dbus_error_free (&error); return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; } /* AvahiServiceTypeBrowser */ -AvahiServiceTypeBrowser* avahi_service_type_browser_new (AvahiClient *client, AvahiIfIndex interface, AvahiProtocol protocol, char *domain, AvahiServiceTypeBrowserCallback callback, void *user_data) -{ - AvahiServiceTypeBrowser *tmp = NULL; - DBusMessage *message = NULL, *reply; +AvahiServiceTypeBrowser* avahi_service_type_browser_new( + AvahiClient *client, + AvahiIfIndex interface, + AvahiProtocol protocol, + const char *domain, + AvahiLookupFlags flags, + AvahiServiceTypeBrowserCallback callback, + void *userdata) { + + AvahiServiceTypeBrowser *b = NULL; + DBusMessage *message = NULL, *reply = NULL; DBusError error; char *path; + int32_t i_interface, i_protocol, i_flags; - if (client == NULL) - return NULL; + assert(client); + assert(callback); - dbus_error_init (&error); + dbus_error_init(&error); + + if (client->state == AVAHI_CLIENT_DISCONNECTED) { + avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE); + goto fail; + } + + if (!domain) + domain = ""; + + if (!(b = avahi_new(AvahiServiceTypeBrowser, 1))) { + avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY); + goto fail; + } + + b->client = client; + b->callback = callback; + b->userdata = userdata; + b->path = NULL; - message = dbus_message_new_method_call (AVAHI_DBUS_NAME, - AVAHI_DBUS_PATH_SERVER, - AVAHI_DBUS_INTERFACE_SERVER, - "ServiceTypeBrowserNew"); + AVAHI_LLIST_PREPEND(AvahiServiceTypeBrowser, service_type_browsers, client->service_type_browsers, b); - if (!dbus_message_append_args (message, DBUS_TYPE_INT32, &interface, DBUS_TYPE_INT32, &protocol, DBUS_TYPE_STRING, &domain, DBUS_TYPE_INVALID)) - goto dbus_error; + if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "ServiceTypeBrowserNew"))) { + avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY); + goto fail; + } + + i_interface = (int32_t) interface; + i_protocol = (int32_t) protocol; + i_flags = (int32_t) flags; + + if (!dbus_message_append_args( + message, + DBUS_TYPE_INT32, &i_interface, + DBUS_TYPE_INT32, &i_protocol, + DBUS_TYPE_STRING, &domain, + DBUS_TYPE_INT32, &i_flags, + DBUS_TYPE_INVALID)) { + avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY); + goto fail; + } - reply = dbus_connection_send_with_reply_and_block (client->bus, message, -1, &error); + if (!(reply = dbus_connection_send_with_reply_and_block (client->bus, message, -1, &error)) || + dbus_error_is_set(&error)) { + avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR); + goto fail; + } - if (dbus_error_is_set (&error) || reply == NULL) - goto dbus_error; + if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) || + dbus_error_is_set(&error) || + !path) { + avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR); + goto fail; + } - if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID)) - goto dbus_error; + if (!(b->path = avahi_strdup(path))) { - if (dbus_error_is_set (&error) || path == NULL) - goto dbus_error; + /* FIXME: We don't remove the object on the server side */ - tmp = malloc (sizeof (AvahiServiceTypeBrowser)); - tmp->client = client; - tmp->callback = callback; - tmp->user_data = user_data; - tmp->path = strdup (path); + avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY); + goto fail; + } - AVAHI_LLIST_PREPEND(AvahiServiceTypeBrowser, service_type_browsers, client->service_type_browsers, tmp); + dbus_message_unref(message); + dbus_message_unref(reply); - return tmp; + return b; -dbus_error: - dbus_error_free (&error); - avahi_client_set_errno (client, AVAHI_ERR_DBUS_ERROR); +fail: + + if (dbus_error_is_set(&error)) { + avahi_client_set_dbus_error(client, &error); + dbus_error_free(&error); + } + + if (b) + avahi_service_type_browser_free(b); + + if (message) + dbus_message_unref(message); + + if (reply) + dbus_message_unref(reply); return NULL; } -char* -avahi_service_type_browser_path (AvahiServiceTypeBrowser *b) +AvahiClient* avahi_service_type_browser_get_client (AvahiServiceTypeBrowser *b) { - return b->path; + assert(b); + return b->client; } -DBusHandlerResult -avahi_service_type_browser_event (AvahiClient *client, AvahiBrowserEvent event, DBusMessage *message) -{ - AvahiServiceTypeBrowser *n, *db = NULL; +int avahi_service_type_browser_free (AvahiServiceTypeBrowser *b) { + AvahiClient *client; + int r = AVAHI_OK; + + assert(b); + client = b->client; + + if (b->path && client->state != AVAHI_CLIENT_DISCONNECTED) + r = avahi_client_simple_method_call(client, b->path, AVAHI_DBUS_INTERFACE_SERVICE_TYPE_BROWSER, "Free"); + + AVAHI_LLIST_REMOVE(AvahiServiceTypeBrowser, service_type_browsers, b->client->service_type_browsers, b); + + avahi_free(b->path); + avahi_free(b); + return r; +} + +DBusHandlerResult avahi_service_type_browser_event (AvahiClient *client, AvahiBrowserEvent event, DBusMessage *message) { + AvahiServiceTypeBrowser *b = NULL; DBusError error; const char *path; - char *domain, *type; - int interface, protocol; + char *domain = NULL, *type = NULL; + int32_t interface = AVAHI_IF_UNSPEC, protocol = AVAHI_PROTO_UNSPEC, flags = 0; + assert(client); + assert(message); + dbus_error_init (&error); - path = dbus_message_get_path (message); - - if (path == NULL) - goto out; + if (!(path = dbus_message_get_path(message))) + goto fail; - for (n = client->service_type_browsers; n != NULL; n = n->service_type_browsers_next) - { - printf ("cmp: %s, %s\n", n->path, path); - if (strcmp (n->path, path) == 0) { - db = n; + for (b = client->service_type_browsers; b; b = b->service_type_browsers_next) + if (strcmp (b->path, path) == 0) break; + + if (!b) + goto fail; + + if (event == AVAHI_BROWSER_NEW || event == AVAHI_BROWSER_REMOVE) { + if (!dbus_message_get_args( + message, &error, + DBUS_TYPE_INT32, &interface, + DBUS_TYPE_INT32, &protocol, + DBUS_TYPE_STRING, &type, + DBUS_TYPE_STRING, &domain, + DBUS_TYPE_INT32, &flags, + DBUS_TYPE_INVALID) || + dbus_error_is_set(&error)) { + fprintf(stderr, "Failed to parse browser event.\n"); + goto fail; } } - if (db == NULL) - goto out; + b->callback(b, (AvahiIfIndex) interface, (AvahiProtocol) protocol, event, type, domain, (AvahiLookupResultFlags) flags, b->userdata); + + return DBUS_HANDLER_RESULT_HANDLED; + +fail: + dbus_error_free (&error); + return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; +} + +/* AvahiServiceBrowser */ + +AvahiServiceBrowser* avahi_service_browser_new( + AvahiClient *client, + AvahiIfIndex interface, + AvahiProtocol protocol, + const char *type, + const char *domain, + AvahiLookupFlags flags, + AvahiServiceBrowserCallback callback, + void *userdata) { + + AvahiServiceBrowser *b = NULL; + DBusMessage *message = NULL, *reply = NULL; + DBusError error; + char *path; + int32_t i_protocol, i_interface, i_flags; + + assert(client); + assert(type); + assert(callback); + + dbus_error_init(&error); - dbus_message_get_args (message, &error, - DBUS_TYPE_INT32, &interface, - DBUS_TYPE_INT32, &protocol, + if (client->state == AVAHI_CLIENT_DISCONNECTED) { + avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE); + goto fail; + } + + if (!domain) + domain = ""; + + if (!(b = avahi_new(AvahiServiceBrowser, 1))) { + avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY); + goto fail; + } + + b->client = client; + b->callback = callback; + b->userdata = userdata; + b->path = NULL; + + AVAHI_LLIST_PREPEND(AvahiServiceBrowser, service_browsers, client->service_browsers, b); + + if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "ServiceBrowserNew"))) { + avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY); + goto fail; + } + + i_interface = (int32_t) interface; + i_protocol = (int32_t) protocol; + i_flags = (int32_t) flags; + + if (!dbus_message_append_args( + message, + DBUS_TYPE_INT32, &i_interface, + DBUS_TYPE_INT32, &i_protocol, DBUS_TYPE_STRING, &type, DBUS_TYPE_STRING, &domain, - DBUS_TYPE_INVALID); + DBUS_TYPE_INT32, &i_flags, + DBUS_TYPE_INVALID)) { + avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY); + goto fail; + } + + if (!(reply = dbus_connection_send_with_reply_and_block (client->bus, message, -1, &error)) || + dbus_error_is_set(&error)) { + avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR); + goto fail; + } + + if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) || + dbus_error_is_set(&error) || + !path) { + avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR); + goto fail; + } + + if (!(b->path = avahi_strdup(path))) { + + /* FIXME: We don't remove the object on the server side */ + + avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY); + goto fail; + } + + dbus_message_unref(message); + dbus_message_unref(reply); - if (dbus_error_is_set (&error)) - goto out; + return b; + +fail: + if (dbus_error_is_set(&error)) { + avahi_client_set_dbus_error(client, &error); + dbus_error_free(&error); + } + + if (b) + avahi_service_browser_free(b); + + if (message) + dbus_message_unref(message); + + if (reply) + dbus_message_unref(reply); + + return NULL; +} + +AvahiClient* avahi_service_browser_get_client (AvahiServiceBrowser *b) +{ + assert(b); + return b->client; +} + +int avahi_service_browser_free (AvahiServiceBrowser *b) { + AvahiClient *client; + int r = AVAHI_OK; + + assert(b); + client = b->client; + + if (b->path && client->state != AVAHI_CLIENT_DISCONNECTED) + r = avahi_client_simple_method_call(client, b->path, AVAHI_DBUS_INTERFACE_SERVICE_BROWSER, "Free"); - db->callback (db, interface, protocol, event, type, domain, db->user_data); + AVAHI_LLIST_REMOVE(AvahiServiceBrowser, service_browsers, b->client->service_browsers, b); + + avahi_free(b->path); + avahi_free(b); + return r; +} + + +DBusHandlerResult avahi_service_browser_event (AvahiClient *client, AvahiBrowserEvent event, DBusMessage *message) { + AvahiServiceBrowser *b = NULL; + DBusError error; + const char *path; + char *name = NULL, *type = NULL, *domain = NULL; + int32_t interface = AVAHI_IF_UNSPEC, protocol = AVAHI_PROTO_UNSPEC, flags = 0; + + dbus_error_init (&error); + + if (!(path = dbus_message_get_path(message))) + goto fail; + + for (b = client->service_browsers; b; b = b->service_browsers_next) + if (strcmp (b->path, path) == 0) + break; + + if (!b) + goto fail; + + if (event == AVAHI_BROWSER_NEW || event == AVAHI_BROWSER_REMOVE) { + if (!dbus_message_get_args ( + message, &error, + DBUS_TYPE_INT32, &interface, + DBUS_TYPE_INT32, &protocol, + DBUS_TYPE_STRING, &name, + DBUS_TYPE_STRING, &type, + DBUS_TYPE_STRING, &domain, + DBUS_TYPE_INT32, &flags, + DBUS_TYPE_INVALID) || + dbus_error_is_set(&error)) { + fprintf(stderr, "Failed to parse browser event.\n"); + goto fail; + } + } + + b->callback(b, (AvahiIfIndex) interface, (AvahiProtocol) protocol, event, name, type, domain, (AvahiLookupResultFlags) flags, b->userdata); return DBUS_HANDLER_RESULT_HANDLED; -out: +fail: dbus_error_free (&error); return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; } + +