diff options
author | Olivier Andrieu <oliv__a@users.sourceforge.net> | 2004-09-24 10:43:36 +0000 |
---|---|---|
committer | Olivier Andrieu <oliv__a@users.sourceforge.net> | 2004-09-24 10:43:36 +0000 |
commit | 85f8f62da6bb26d7033310af9d3260b073efe4bf (patch) | |
tree | 9b4bc616ed867cba0e8b48873c9b9e91cd326bbb | |
parent | 64b63e84b7f08695bf194a05aadd074600c8e622 (diff) |
* doc/dbus-specification.xml: document ServiceOwnerChanged signal.
* bus/driver.c, bus/driver.h, bus/services.c: Use ServiceOwnerChanged
signal instead of ServiceCreated and ServiceDeleted.
* bus/dispatch.c: update testcase for the new signal.
-rw-r--r-- | ChangeLog | 11 | ||||
-rw-r--r-- | bus/dispatch.c | 780 | ||||
-rw-r--r-- | bus/driver.c | 72 | ||||
-rw-r--r-- | bus/driver.h | 11 | ||||
-rw-r--r-- | bus/services.c | 22 | ||||
-rw-r--r-- | doc/dbus-specification.xml | 59 |
6 files changed, 485 insertions, 470 deletions
@@ -1,3 +1,14 @@ +2004-09-24 Olivier Andrieu <oliv__a@users.sourceforge.net> + + * doc/dbus-specification.xml: document ServiceOwnerChanged + signal. + + * bus/driver.c, bus/driver.h, bus/services.c: Use + ServiceOwnerChanged signal instead of ServiceCreated and + ServiceDeleted. + + * bus/dispatch.c: update testcase for the new signal. + 2004-09-20 Jon Trowbridge <trow@ximian.com> Patch from Nat Friedman <nat@novell.com> diff --git a/bus/dispatch.c b/bus/dispatch.c index 54e4583d..3cd1c3e4 100644 --- a/bus/dispatch.c +++ b/bus/dispatch.c @@ -93,8 +93,7 @@ bus_dispatch_matches (BusTransaction *transaction, matchmaker = bus_context_get_matchmaker (context); recipients = NULL; - if (!bus_matchmaker_get_recipients (matchmaker, - bus_context_get_connections (context), + if (!bus_matchmaker_get_recipients (matchmaker, connections, sender, addressed_recipient, message, &recipients)) { @@ -482,70 +481,114 @@ verbose_message_received (DBusConnection *connection, connection); } +typedef enum +{ + SERVICE_CREATED, + OWNER_CHANGED, + SERVICE_DELETED +} ServiceInfoKind; + typedef struct { + ServiceInfoKind expected_kind; const char *expected_service_name; dbus_bool_t failed; -} CheckServiceDeletedData; + DBusConnection *skip_connection; +} CheckServiceOwnerChangedData; static dbus_bool_t -check_service_deleted_foreach (DBusConnection *connection, - void *data) +check_service_owner_changed_foreach (DBusConnection *connection, + void *data) { - CheckServiceDeletedData *d = data; + CheckServiceOwnerChangedData *d = data; DBusMessage *message; DBusError error; - char *service_name; + char *service_name, *old_owner, *new_owner; + + if (d->expected_kind == SERVICE_CREATED + && connection == d->skip_connection) + return TRUE; dbus_error_init (&error); d->failed = TRUE; - service_name = NULL; message = pop_message_waiting_for_memory (connection); if (message == NULL) { _dbus_warn ("Did not receive a message on %p, expecting %s\n", - connection, "ServiceDeleted"); + connection, "ServiceOwnerChanged"); goto out; } else if (!dbus_message_is_signal (message, DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS, - "ServiceDeleted")) + "ServiceOwnerChanged")) { - warn_unexpected (connection, message, "ServiceDeleted"); + warn_unexpected (connection, message, "ServiceOwnerChanged"); goto out; } else { - if (!dbus_message_get_args (message, &error, - DBUS_TYPE_STRING, &service_name, - DBUS_TYPE_INVALID)) + reget_service_info_data: + service_name = NULL; + old_owner = NULL; + new_owner = NULL; + + dbus_message_get_args (message, &error, + DBUS_TYPE_STRING, &service_name, + DBUS_TYPE_STRING, &old_owner, + DBUS_TYPE_STRING, &new_owner, + DBUS_TYPE_INVALID); + + if (dbus_error_is_set (&error)) + { + if (dbus_error_has_name (&error, DBUS_ERROR_NO_MEMORY)) + { + dbus_free (service_name); + dbus_free (old_owner); + dbus_free (new_owner); + dbus_error_free (&error); + _dbus_wait_for_memory (); + goto reget_service_info_data; + } + else + { + _dbus_warn ("Did not get the expected arguments\n"); + goto out; + } + } + + if ((d->expected_kind == SERVICE_CREATED && ( old_owner[0] || !new_owner[0])) + || (d->expected_kind == OWNER_CHANGED && (!old_owner[0] || !new_owner[0])) + || (d->expected_kind == SERVICE_DELETED && (!old_owner[0] || new_owner[0]))) { - if (dbus_error_has_name (&error, DBUS_ERROR_NO_MEMORY)) - { - _dbus_verbose ("no memory to get service name arg\n"); - } - else - { - _dbus_assert (dbus_error_is_set (&error)); - _dbus_warn ("Did not get the expected single string argument\n"); - goto out; - } + _dbus_warn ("inconsistent ServiceOwnerChanged arguments"); + goto out; } - else if (strcmp (service_name, d->expected_service_name) != 0) + + if (strcmp (service_name, d->expected_service_name) != 0) { - _dbus_warn ("expected deletion of service %s, got deletion of %s\n", + _dbus_warn ("expected info on service %s, got info on %s\n", d->expected_service_name, service_name); goto out; } + + if (*service_name == ':' && new_owner[0] + && strcmp (service_name, new_owner) != 0) + { + _dbus_warn ("inconsistent ServiceOwnedChanged message (\"%s\" [ %s -> %s ])\n", + service_name, old_owner, new_owner); + goto out; + } } d->failed = FALSE; out: dbus_free (service_name); + dbus_free (old_owner); + dbus_free (new_owner); dbus_error_free (&error); if (message) @@ -554,13 +597,14 @@ check_service_deleted_foreach (DBusConnection *connection, return !d->failed; } + static void kill_client_connection (BusContext *context, DBusConnection *connection) { char *base_service; const char *s; - CheckServiceDeletedData csdd; + CheckServiceOwnerChangedData socd; _dbus_verbose ("killing connection %p\n", connection); @@ -588,16 +632,18 @@ kill_client_connection (BusContext *context, connection = NULL; _dbus_assert (!bus_test_client_listed (connection)); - csdd.expected_service_name = base_service; - csdd.failed = FALSE; - - bus_test_clients_foreach (check_service_deleted_foreach, - &csdd); + socd.expected_kind = SERVICE_DELETED; + socd.expected_service_name = base_service; + socd.failed = FALSE; + socd.skip_connection = NULL; + + bus_test_clients_foreach (check_service_owner_changed_foreach, + &socd); dbus_free (base_service); - if (csdd.failed) - _dbus_assert_not_reached ("didn't get the expected ServiceDeleted messages"); + if (socd.failed) + _dbus_assert_not_reached ("didn't get the expected ServiceOwnerChanged (deletion) messages"); if (!check_no_leftovers (context)) _dbus_assert_not_reached ("stuff left in message queues after disconnecting a client"); @@ -646,81 +692,6 @@ check_no_messages_foreach (DBusConnection *connection, return !d->failed; } -typedef struct -{ - DBusConnection *skip_connection; - const char *expected_service_name; - dbus_bool_t failed; -} CheckServiceCreatedData; - -static dbus_bool_t -check_service_created_foreach (DBusConnection *connection, - void *data) -{ - CheckServiceCreatedData *d = data; - DBusMessage *message; - DBusError error; - char *service_name; - - if (connection == d->skip_connection) - return TRUE; - - dbus_error_init (&error); - d->failed = TRUE; - service_name = NULL; - - message = pop_message_waiting_for_memory (connection); - if (message == NULL) - { - _dbus_warn ("Did not receive a message on %p, expecting %s\n", - connection, "ServiceCreated"); - goto out; - } - else if (!dbus_message_is_signal (message, - DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS, - "ServiceCreated")) - { - warn_unexpected (connection, message, "ServiceCreated"); - goto out; - } - else - { - if (!dbus_message_get_args (message, &error, - DBUS_TYPE_STRING, &service_name, - DBUS_TYPE_INVALID)) - { - if (dbus_error_has_name (&error, DBUS_ERROR_NO_MEMORY)) - { - _dbus_verbose ("no memory to get service name arg\n"); - } - else - { - _dbus_assert (dbus_error_is_set (&error)); - _dbus_warn ("Did not get the expected single string argument\n"); - goto out; - } - } - else if (strcmp (service_name, d->expected_service_name) != 0) - { - _dbus_warn ("expected creation of service %s, got creation of %s\n", - d->expected_service_name, - service_name); - goto out; - } - } - - d->failed = FALSE; - - out: - dbus_free (service_name); - dbus_error_free (&error); - - if (message) - dbus_message_unref (message); - - return !d->failed; -} - static dbus_bool_t check_no_leftovers (BusContext *context) { @@ -826,7 +797,7 @@ check_hello_message (BusContext *context, } else { - CheckServiceCreatedData scd; + CheckServiceOwnerChangedData socd; if (dbus_message_get_type (message) == DBUS_MESSAGE_TYPE_METHOD_RETURN) { @@ -864,13 +835,14 @@ check_hello_message (BusContext *context, while (!dbus_bus_set_base_service (connection, name)) _dbus_wait_for_memory (); - scd.skip_connection = connection; /* we haven't done AddMatch so won't get it ourselves */ - scd.failed = FALSE; - scd.expected_service_name = name; - bus_test_clients_foreach (check_service_created_foreach, - &scd); + socd.expected_kind = SERVICE_CREATED; + socd.expected_service_name = name; + socd.failed = FALSE; + socd.skip_connection = connection; /* we haven't done AddMatch so won't get it ourselves */ + bus_test_clients_foreach (check_service_owner_changed_foreach, + &socd); - if (scd.failed) + if (socd.failed) goto out; /* Client should also have gotten ServiceAcquired */ @@ -882,6 +854,13 @@ check_hello_message (BusContext *context, "ServiceAcquired"); goto out; } + if (! dbus_message_is_signal (message, DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS, + "ServiceAcquired")) + { + _dbus_warn ("Expecting %s, got smthg else\n", + "ServiceAcquired"); + goto out; + } retry_get_acquired_name: if (!dbus_message_get_args (message, &error, @@ -1489,9 +1468,6 @@ check_nonexistent_service_activation (BusContext *context, DBusMessage *message; dbus_uint32_t serial; dbus_bool_t retval; - DBusError error; - - dbus_error_init (&error); message = dbus_message_new_method_call (DBUS_SERVICE_ORG_FREEDESKTOP_DBUS, DBUS_PATH_ORG_FREEDESKTOP_DBUS, @@ -1593,10 +1569,7 @@ check_nonexistent_service_auto_activation (BusContext *context, DBusMessage *message; dbus_uint32_t serial; dbus_bool_t retval; - DBusError error; - dbus_error_init (&error); - message = dbus_message_new_method_call (NONEXISTENT_SERVICE_NAME, "/org/freedesktop/TestSuite", "org.freedesktop.TestSuite", @@ -1690,66 +1663,87 @@ check_base_service_activated (BusContext *context, DBusMessage *message; dbus_bool_t retval; DBusError error; - char *base_service; + char *base_service, *base_service_from_bus, *old_owner; - base_service = NULL; retval = FALSE; dbus_error_init (&error); + base_service = NULL; + old_owner = NULL; + base_service_from_bus = NULL; message = initial_message; dbus_message_ref (message); if (dbus_message_is_signal (message, DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS, - "ServiceCreated")) + "ServiceOwnerChanged")) { - char *service_name; - CheckServiceCreatedData scd; + CheckServiceOwnerChangedData socd; reget_service_name_arg: + base_service = NULL; + old_owner = NULL; + base_service_from_bus = NULL; + if (!dbus_message_get_args (message, &error, - DBUS_TYPE_STRING, &service_name, + DBUS_TYPE_STRING, &base_service, + DBUS_TYPE_STRING, &old_owner, + DBUS_TYPE_STRING, &base_service_from_bus, DBUS_TYPE_INVALID)) { if (dbus_error_has_name (&error, DBUS_ERROR_NO_MEMORY)) { dbus_error_free (&error); + dbus_free (base_service); + dbus_free (old_owner); + dbus_free (base_service_from_bus); _dbus_wait_for_memory (); goto reget_service_name_arg; } else { _dbus_warn ("Message %s doesn't have a service name: %s\n", - "ServiceCreated", + "ServiceOwnerChanged (creation)", error.message); - dbus_error_free (&error); goto out; } } - if (*service_name != ':') + if (*base_service != ':') { _dbus_warn ("Expected base service activation, got \"%s\" instead\n", - service_name); + base_service); goto out; } - - base_service = service_name; - service_name = NULL; - - scd.skip_connection = connection; - scd.failed = FALSE; - scd.expected_service_name = base_service; - bus_test_clients_foreach (check_service_created_foreach, - &scd); + + if (strcmp (base_service, base_service_from_bus) != 0) + { + _dbus_warn ("Expected base service activation, got \"%s\" instead with owner \"%s\"\n", + base_service, base_service_from_bus); + goto out; + } + + if (old_owner[0]) + { + _dbus_warn ("Received an old_owner argument during base service activation, \"%s\"\n", + old_owner); + goto out; + } + + socd.expected_kind = SERVICE_CREATED; + socd.expected_service_name = base_service; + socd.failed = FALSE; + socd.skip_connection = connection; + bus_test_clients_foreach (check_service_owner_changed_foreach, + &socd); - if (scd.failed) + if (socd.failed) goto out; } else { - warn_unexpected (connection, message, "ServiceCreated for base service"); + warn_unexpected (connection, message, "ServiceOwnerChanged (creation) for base service"); goto out; } @@ -1765,10 +1759,11 @@ check_base_service_activated (BusContext *context, out: if (message) dbus_message_unref (message); + dbus_free (base_service); + dbus_free (base_service_from_bus); + dbus_free (old_owner); + dbus_error_free (&error); - if (base_service) - dbus_free (base_service); - return retval; } @@ -1793,28 +1788,39 @@ check_service_activated (BusContext *context, if (dbus_message_is_signal (message, DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS, - "ServiceCreated")) + "ServiceOwnerChanged")) { - char *service_name; - CheckServiceCreatedData scd; + CheckServiceOwnerChangedData socd; + char *service_name, *base_service_from_bus, *old_owner; reget_service_name_arg: + service_name = NULL; + old_owner = NULL; + base_service_from_bus = NULL; + if (!dbus_message_get_args (message, &error, DBUS_TYPE_STRING, &service_name, + DBUS_TYPE_STRING, &old_owner, + DBUS_TYPE_STRING, &base_service_from_bus, DBUS_TYPE_INVALID)) { if (dbus_error_has_name (&error, DBUS_ERROR_NO_MEMORY)) { dbus_error_free (&error); + dbus_free (service_name); + dbus_free (old_owner); + dbus_free (base_service_from_bus); _dbus_wait_for_memory (); goto reget_service_name_arg; } else { _dbus_warn ("Message %s doesn't have a service name: %s\n", - "ServiceCreated", + "ServiceOwnerChanged (creation)", error.message); - dbus_error_free (&error); + dbus_free (service_name); + dbus_free (old_owner); + dbus_free (base_service_from_bus); goto out; } } @@ -1824,18 +1830,43 @@ check_service_activated (BusContext *context, _dbus_warn ("Expected to see service %s created, saw %s instead\n", activated_name, service_name); dbus_free (service_name); + dbus_free (old_owner); + dbus_free (base_service_from_bus); goto out; } - - scd.skip_connection = connection; - scd.failed = FALSE; - scd.expected_service_name = service_name; - bus_test_clients_foreach (check_service_created_foreach, - &scd); - - dbus_free (service_name); - if (scd.failed) + if (strcmp (base_service_name, base_service_from_bus) != 0) + { + _dbus_warn ("ServiceOwnerChanged reports wrong base service: %s owner, expected %s instead\n", + base_service_from_bus, base_service_name); + dbus_free (service_name); + dbus_free (old_owner); + dbus_free (base_service_from_bus); + goto out; + } + dbus_free (base_service_from_bus); + + if (old_owner[0]) + { + _dbus_warn ("expected a %s, got a %s\n", + "ServiceOwnerChanged (creation)", + "ServiceOwnerChanged (change)"); + dbus_free (service_name); + dbus_free (old_owner); + goto out; + } + dbus_free (old_owner); + + socd.expected_kind = SERVICE_CREATED; + socd.skip_connection = connection; + socd.failed = FALSE; + socd.expected_service_name = service_name; + bus_test_clients_foreach (check_service_owner_changed_foreach, + &socd); + + dbus_free (service_name); + + if (socd.failed) goto out; dbus_message_unref (message); @@ -1849,7 +1880,7 @@ check_service_activated (BusContext *context, } else { - warn_unexpected (connection, message, "ServiceCreated for the activated name"); + warn_unexpected (connection, message, "ServiceOwnerChanged for the activated name"); goto out; } @@ -1870,7 +1901,6 @@ check_service_activated (BusContext *context, { _dbus_warn ("Did not have activation result first argument to %s: %s\n", "ActivateService", error.message); - dbus_error_free (&error); goto out; } @@ -1904,6 +1934,7 @@ check_service_activated (BusContext *context, out: if (message) dbus_message_unref (message); + dbus_error_free (&error); return retval; } @@ -1928,10 +1959,10 @@ check_service_auto_activated (BusContext *context, if (dbus_message_is_signal (message, DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS, - "ServiceCreated")) + "ServiceOwnerChanged")) { char *service_name; - CheckServiceCreatedData scd; + CheckServiceOwnerChangedData socd; reget_service_name_arg: if (!dbus_message_get_args (message, &error, @@ -1947,7 +1978,7 @@ check_service_auto_activated (BusContext *context, else { _dbus_warn ("Message %s doesn't have a service name: %s\n", - "ServiceCreated", + "ServiceOwnerChanged", error.message); dbus_error_free (&error); goto out; @@ -1962,15 +1993,16 @@ check_service_auto_activated (BusContext *context, goto out; } - scd.skip_connection = connection; - scd.failed = FALSE; - scd.expected_service_name = service_name; - bus_test_clients_foreach (check_service_created_foreach, - &scd); + socd.expected_kind = SERVICE_CREATED; + socd.expected_service_name = service_name; + socd.failed = FALSE; + socd.skip_connection = connection; + bus_test_clients_foreach (check_service_owner_changed_foreach, + &socd); dbus_free (service_name); - if (scd.failed) + if (socd.failed) goto out; /* Note that this differs from regular activation in that we don't get a @@ -1982,7 +2014,7 @@ check_service_auto_activated (BusContext *context, } else { - warn_unexpected (connection, message, "ServiceCreated for the activated name"); + warn_unexpected (connection, message, "ServiceOwnerChanged for the activated name"); goto out; } @@ -2003,28 +2035,32 @@ check_service_deactivated (BusContext *context, const char *base_service) { dbus_bool_t retval; - CheckServiceDeletedData csdd; + CheckServiceOwnerChangedData socd; retval = FALSE; - /* Now we are expecting ServiceDeleted messages for the base + /* Now we are expecting ServiceOwnerChanged (deletion) messages for the base * service and the activated_name. The base service * notification is required to come last. */ - csdd.expected_service_name = activated_name; - csdd.failed = FALSE; - bus_test_clients_foreach (check_service_deleted_foreach, - &csdd); - - if (csdd.failed) + socd.expected_kind = SERVICE_DELETED; + socd.expected_service_name = activated_name; + socd.failed = FALSE; + socd.skip_connection = NULL; + bus_test_clients_foreach (check_service_owner_changed_foreach, + &socd); + + if (socd.failed) goto out; - csdd.expected_service_name = base_service; - csdd.failed = FALSE; - bus_test_clients_foreach (check_service_deleted_foreach, - &csdd); - - if (csdd.failed) + socd.expected_kind = SERVICE_DELETED; + socd.expected_service_name = base_service; + socd.failed = FALSE; + socd.skip_connection = NULL; + bus_test_clients_foreach (check_service_owner_changed_foreach, + &socd); + + if (socd.failed) goto out; retval = TRUE; @@ -2244,6 +2280,73 @@ check_got_error (BusContext *context, return retval; } +typedef enum +{ + GOT_SERVICE_CREATED, + GOT_SERVICE_DELETED, + GOT_ERROR, + GOT_SOMETHING_ELSE +} GotServiceInfo; + +static GotServiceInfo +check_got_service_info (DBusMessage *message) +{ + GotServiceInfo message_kind; + + if (dbus_message_is_signal (message, + DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS, + "ServiceOwnerChanged")) + { + DBusError error; + char *service_name, *old_owner, *new_owner; + dbus_error_init (&error); + + reget_service_info_data: + service_name = NULL; + old_owner = NULL; + new_owner = NULL; + + dbus_message_get_args (message, &error, + DBUS_TYPE_STRING, &service_name, + DBUS_TYPE_STRING, &old_owner, + DBUS_TYPE_STRING, &new_owner, + DBUS_TYPE_INVALID); + if (dbus_error_is_set (&error)) + { + if (dbus_error_has_name (&error, DBUS_ERROR_NO_MEMORY)) + { + dbus_error_free (&error); + dbus_free (service_name); + dbus_free (old_owner); + dbus_free (new_owner); + goto reget_service_info_data; + } + else + { + _dbus_warn ("unexpected arguments for ServiceOwnerChanged message"); + message_kind = GOT_SOMETHING_ELSE; + } + } + else if (!old_owner[0]) + message_kind = GOT_SERVICE_CREATED; + else if (!new_owner[0]) + message_kind = GOT_SERVICE_DELETED; + else + message_kind = GOT_SOMETHING_ELSE; + + dbus_free (service_name); + dbus_free (old_owner); + dbus_free (new_owner); + dbus_error_free (&error); + } + else if (dbus_message_get_type (message) == DBUS_MESSAGE_TYPE_ERROR) + message_kind = GOT_ERROR; + else + message_kind = GOT_SOMETHING_ELSE; + + return message_kind; +} + #define EXISTENT_SERVICE_NAME "org.freedesktop.DBus.TestSuiteEchoService" /* returns TRUE if the correct thing happens, @@ -2256,13 +2359,10 @@ check_existent_service_activation (BusContext *context, DBusMessage *message; dbus_uint32_t serial; dbus_bool_t retval; - DBusError error; char *base_service; base_service = NULL; - dbus_error_init (&error); - message = dbus_message_new_method_call (DBUS_SERVICE_ORG_FREEDESKTOP_DBUS, DBUS_PATH_ORG_FREEDESKTOP_DBUS, DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS, @@ -2348,8 +2448,7 @@ check_existent_service_activation (BusContext *context, } else { - dbus_bool_t got_service_deleted; - dbus_bool_t got_error; + GotServiceInfo message_kind; if (!check_base_service_activated (context, connection, message, &base_service)) @@ -2368,65 +2467,72 @@ check_existent_service_activation (BusContext *context, goto out; } - got_service_deleted = dbus_message_is_signal (message, - DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS, - "ServiceDeleted"); - got_error = dbus_message_get_type (message) == DBUS_MESSAGE_TYPE_ERROR; - + message_kind = check_got_service_info (message); + dbus_connection_return_message (connection, message); message = NULL; - if (got_error) - { + switch (message_kind) + { + case GOT_SOMETHING_ELSE: + _dbus_warn ("Unexpected message after ActivateService " + "(should be an error or a service announcement"); + goto out; + + case GOT_ERROR: if (!check_got_error (context, connection, DBUS_ERROR_SPAWN_CHILD_EXITED, DBUS_ERROR_NO_MEMORY, NULL)) goto out; - /* A service deleted should be coming along now after this error. * We can also get the error *after* the service deleted. */ - got_service_deleted = TRUE; - } - - if (got_service_deleted) - { - /* The service started up and got a base address, but then - * failed to register under EXISTENT_SERVICE_NAME - */ - CheckServiceDeletedData csdd; - - csdd.expected_service_name = base_service; - csdd.failed = FALSE; - bus_test_clients_foreach (check_service_deleted_foreach, - &csdd); - if (csdd.failed) - goto out; + /* fall through */ - /* Now we should get an error about the service exiting - * if we didn't get it before. - */ - if (!got_error) - { - block_connection_until_message_from_bus (context, connection); + case GOT_SERVICE_DELETED: + { + /* The service started up and got a base address, but then + * failed to register under EXISTENT_SERVICE_NAME + */ + CheckServiceOwnerChangedData socd; + + socd.expected_kind = SERVICE_DELETED; + socd.expected_service_name = base_service; + socd.failed = FALSE; + socd.skip_connection = NULL; + + bus_test_clients_foreach (check_service_owner_changed_foreach, + &socd); + + if (socd.failed) + goto out; + + /* Now we should get an error about the service exiting + * if we didn't get it before. + */ + if (message_kind != GOT_ERROR) + { + block_connection_until_message_from_bus (context, connection); - /* and process everything again */ - bus_test_run_everything (context); + /* and process everything again */ + bus_test_run_everything (context); - if (!check_got_error (context, connection, - DBUS_ERROR_SPAWN_CHILD_EXITED, - NULL)) - goto out; - } - } - else - { + if (!check_got_error (context, connection, + DBUS_ERROR_SPAWN_CHILD_EXITED, + NULL)) + goto out; + } + break; + } + + case GOT_SERVICE_CREATED: message = pop_message_waiting_for_memory (connection); if (message == NULL) { - _dbus_warn ("Failed to pop message we just put back! should have been a ServiceCreated\n"); + _dbus_warn ("Failed to pop message we just put back! " + "should have been a ServiceOwnerChanged (creation)\n"); goto out; } @@ -2437,7 +2543,6 @@ check_existent_service_activation (BusContext *context, dbus_message_unref (message); message = NULL; - if (!check_no_leftovers (context)) { _dbus_warn ("Messages were left over after successful activation\n"); @@ -2447,9 +2552,11 @@ check_existent_service_activation (BusContext *context, if (!check_send_exit_to_service (context, connection, EXISTENT_SERVICE_NAME, base_service)) goto out; - } + + break; + } } - + retval = TRUE; out: @@ -2472,9 +2579,6 @@ check_segfault_service_activation (BusContext *context, DBusMessage *message; dbus_uint32_t serial; dbus_bool_t retval; - DBusError error; - - dbus_error_init (&error); message = dbus_message_new_method_call (DBUS_SERVICE_ORG_FREEDESKTOP_DBUS, DBUS_PATH_ORG_FREEDESKTOP_DBUS, @@ -2578,11 +2682,6 @@ check_segfault_service_auto_activation (BusContext *context, DBusMessage *message; dbus_uint32_t serial; dbus_bool_t retval; - DBusError error; - - dbus_error_init (&error); - - dbus_error_init (&error); message = dbus_message_new_method_call ("org.freedesktop.DBus.TestSuiteSegfaultService", "/org/freedesktop/TestSuite", @@ -2679,13 +2778,10 @@ check_existent_service_auto_activation (BusContext *context, DBusMessage *message; dbus_uint32_t serial; dbus_bool_t retval; - DBusError error; char *base_service; base_service = NULL; - dbus_error_init (&error); - message = dbus_message_new_method_call (EXISTENT_SERVICE_NAME, "/org/freedesktop/TestSuite", "org.freedesktop.TestSuite", @@ -2729,7 +2825,6 @@ check_existent_service_auto_activation (BusContext *context, retval = FALSE; - /* Should get ServiceCreated for the base service, or an error. */ message = pop_message_waiting_for_memory (connection); if (message == NULL) { @@ -2739,38 +2834,13 @@ check_existent_service_auto_activation (BusContext *context, } verbose_message_received (connection, message); - _dbus_verbose (" (after sending %s)\n", "ActivateService"); + _dbus_verbose (" (after sending %s)\n", "auto activation"); - if (dbus_message_get_type (message) == DBUS_MESSAGE_TYPE_ERROR) + /* we should get zero or two ServiceOwnerChanged signals */ + if (dbus_message_get_type (message) == DBUS_MESSAGE_TYPE_SIGNAL) { - if (!dbus_message_has_sender (message, DBUS_SERVICE_ORG_FREEDESKTOP_DBUS)) - { - _dbus_warn ("Message has wrong sender %s\n", - dbus_message_get_sender (message) ? - dbus_message_get_sender (message) : "(none)"); - goto out; - } + GotServiceInfo message_kind; - if (dbus_message_is_error (message, DBUS_ERROR_NO_MEMORY) || - dbus_message_is_error (message, DBUS_ERROR_SPAWN_CHILD_EXITED) || - dbus_message_is_error (message, DBUS_ERROR_TIMED_OUT)) - { - ; /* good, those are expected */ - retval = TRUE; - goto out; - } - else - { - _dbus_warn ("Did not expect error %s\n", - dbus_message_get_error_name (message)); - goto out; - } - } - else - { - dbus_bool_t got_service_deleted; - dbus_bool_t got_error; - if (!check_base_service_activated (context, connection, message, &base_service)) goto out; @@ -2781,113 +2851,101 @@ check_existent_service_auto_activation (BusContext *context, /* We may need to block here for the test service to exit or finish up */ block_connection_until_message_from_bus (context, connection); - /* Should get ServiceCreated for the activated service name, - * ServiceDeleted on the base service name, or an error. + /* Should get a service creation notification for the activated + * service name, or a service deletion on the base service name */ message = dbus_connection_borrow_message (connection); if (message == NULL) { - _dbus_warn ("Did not receive any messages after base service creation notification\n"); + _dbus_warn ("No message after auto activation " + "(should be a service announcement)"); + dbus_connection_return_message (connection, message); + message = NULL; goto out; } - got_service_deleted = dbus_message_is_signal (message, - DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS, - "ServiceDeleted"); - got_error = dbus_message_get_type (message) == DBUS_MESSAGE_TYPE_ERROR; + message_kind = check_got_service_info (message); dbus_connection_return_message (connection, message); message = NULL; - if (got_error) - { - if (!check_got_error (context, connection, - DBUS_ERROR_SPAWN_CHILD_EXITED, - DBUS_ERROR_NO_MEMORY, - NULL)) - goto out; - - /* A service deleted should be coming along now after this error. - * We can also get the error *after* the service deleted. - */ - got_service_deleted = TRUE; - } - - if (got_service_deleted) - { - /* The service started up and got a base address, but then - * failed to register under EXISTENT_SERVICE_NAME - */ - CheckServiceDeletedData csdd; - - csdd.expected_service_name = base_service; - csdd.failed = FALSE; - bus_test_clients_foreach (check_service_deleted_foreach, - &csdd); - - if (csdd.failed) - goto out; - - /* Now we should get an error about the service exiting - * if we didn't get it before. - */ - if (!got_error) - { - block_connection_until_message_from_bus (context, connection); - - /* and process everything again */ - bus_test_run_everything (context); - - if (!check_got_error (context, connection, - DBUS_ERROR_SPAWN_CHILD_EXITED, - NULL)) - goto out; - } - } - else - { + switch (message_kind) + { + case GOT_SERVICE_CREATED: message = pop_message_waiting_for_memory (connection); if (message == NULL) - { - _dbus_warn ("Failed to pop message we just put back! should have been a ServiceCreated\n"); - goto out; - } - - /* Check that ServiceCreated was correctly received */ - if (!check_service_auto_activated (context, connection, EXISTENT_SERVICE_NAME, + { + _dbus_warn ("Failed to pop message we just put back! " + "should have been a ServiceOwnerChanged (creation)\n"); + goto out; + } + + /* Check that ServiceOwnerChanged (creation) was correctly received */ + if (!check_service_auto_activated (context, connection, EXISTENT_SERVICE_NAME, base_service, message)) - goto out; + goto out; + + dbus_message_unref (message); + message = NULL; - dbus_message_unref (message); - message = NULL; - } + break; - /* Note: if this test is run in OOM mode, it will block when the bus - * doesn't send a reply due to OOM. - */ - block_connection_until_message_from_bus (context, connection); - - message = pop_message_waiting_for_memory (connection); - if (message == NULL) - { - _dbus_warn ("Failed to pop message! Should have been reply from echo message\n"); - goto out; - } + case GOT_SERVICE_DELETED: + { + /* The service started up and got a base address, but then + * failed to register under EXISTENT_SERVICE_NAME + */ + CheckServiceOwnerChangedData socd; + + socd.expected_kind = SERVICE_DELETED; + socd.expected_service_name = base_service; + socd.failed = FALSE; + socd.skip_connection = NULL; + bus_test_clients_foreach (check_service_owner_changed_foreach, + &socd); + + if (socd.failed) + goto out; - if (dbus_message_get_reply_serial (message) != serial) - { - _dbus_warn ("Wrong reply serial\n"); + break; + } + + case GOT_ERROR: + case GOT_SOMETHING_ELSE: + _dbus_warn ("Unexpected message after auto activation\n"); goto out; } + } - dbus_message_unref (message); - message = NULL; + /* OK, now we've dealt with ServiceOwnerChanged signals, now should + * come the method reply (or error) from the initial method call + */ + + /* Note: if this test is run in OOM mode, it will block when the bus + * doesn't send a reply due to OOM. + */ + block_connection_until_message_from_bus (context, connection); - if (!check_send_exit_to_service (context, connection, - EXISTENT_SERVICE_NAME, - base_service)) - goto out; + message = pop_message_waiting_for_memory (connection); + if (message == NULL) + { + _dbus_warn ("Failed to pop message! Should have been reply from echo message\n"); + goto out; + } + + if (dbus_message_get_reply_serial (message) != serial) + { + _dbus_warn ("Wrong reply serial\n"); + goto out; } + + dbus_message_unref (message); + message = NULL; + + if (!check_send_exit_to_service (context, connection, + EXISTENT_SERVICE_NAME, + base_service)) + goto out; retval = TRUE; diff --git a/bus/driver.c b/bus/driver.c index 39d8b126..b426912f 100644 --- a/bus/driver.c +++ b/bus/driver.c @@ -39,20 +39,25 @@ static dbus_bool_t bus_driver_send_welcome_message (DBusConnection *connection, DBusError *error); dbus_bool_t -bus_driver_send_service_deleted (const char *service_name, - BusTransaction *transaction, - DBusError *error) +bus_driver_send_service_owner_changed (const char *service_name, + const char *old_owner, + const char *new_owner, + BusTransaction *transaction, + DBusError *error) { DBusMessage *message; dbus_bool_t retval; + const char null_service[] = { '\000' }; _DBUS_ASSERT_ERROR_IS_CLEAR (error); - _dbus_verbose ("sending service deleted: %s\n", service_name); + _dbus_verbose ("sending service owner changed: %s [%s -> %s]", service_name, + old_owner ? old_owner : null_service, + new_owner ? new_owner : null_service); message = dbus_message_new_signal (DBUS_PATH_ORG_FREEDESKTOP_DBUS, DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS, - "ServiceDeleted"); + "ServiceOwnerChanged"); if (message == NULL) { @@ -60,62 +65,25 @@ bus_driver_send_service_deleted (const char *service_name, return FALSE; } - if (!dbus_message_set_sender (message, DBUS_SERVICE_ORG_FREEDESKTOP_DBUS) || - !dbus_message_append_args (message, + if (!dbus_message_set_sender (message, DBUS_SERVICE_ORG_FREEDESKTOP_DBUS)) + goto oom; + + if (!dbus_message_append_args (message, DBUS_TYPE_STRING, service_name, + DBUS_TYPE_STRING, old_owner ? old_owner : null_service, + DBUS_TYPE_STRING, new_owner ? new_owner : null_service, DBUS_TYPE_INVALID)) - { - dbus_message_unref (message); - BUS_SET_OOM (error); - return FALSE; - } + goto oom; retval = bus_dispatch_matches (transaction, NULL, NULL, message, error); dbus_message_unref (message); return retval; -} -dbus_bool_t -bus_driver_send_service_created (const char *service_name, - BusTransaction *transaction, - DBusError *error) -{ - DBusMessage *message; - dbus_bool_t retval; - - _DBUS_ASSERT_ERROR_IS_CLEAR (error); - - message = dbus_message_new_signal (DBUS_PATH_ORG_FREEDESKTOP_DBUS, - DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS, - "ServiceCreated"); - - if (message == NULL) - { - BUS_SET_OOM (error); - return FALSE; - } - - if (!dbus_message_set_sender (message, DBUS_SERVICE_ORG_FREEDESKTOP_DBUS)) - { - dbus_message_unref (message); - BUS_SET_OOM (error); - return FALSE; - } - - if (!dbus_message_append_args (message, - DBUS_TYPE_STRING, service_name, - DBUS_TYPE_INVALID)) - { - dbus_message_unref (message); - BUS_SET_OOM (error); - return FALSE; - } - - retval = bus_dispatch_matches (transaction, NULL, NULL, message, error); + oom: dbus_message_unref (message); - - return retval; + BUS_SET_OOM (error); + return FALSE; } dbus_bool_t diff --git a/bus/driver.h b/bus/driver.h index f971838a..bc430520 100644 --- a/bus/driver.h +++ b/bus/driver.h @@ -32,9 +32,6 @@ dbus_bool_t bus_driver_handle_message (DBusConnection *connection, BusTransaction *transaction, DBusMessage *message, DBusError *error); -dbus_bool_t bus_driver_send_service_deleted (const char *service_name, - BusTransaction *transaction, - DBusError *error); dbus_bool_t bus_driver_send_service_lost (DBusConnection *connection, const char *service_name, BusTransaction *transaction, @@ -43,8 +40,10 @@ dbus_bool_t bus_driver_send_service_acquired (DBusConnection *connection, const char *service_name, BusTransaction *transaction, DBusError *error); -dbus_bool_t bus_driver_send_service_created (const char *service_name, - BusTransaction *transaction, - DBusError *error); +dbus_bool_t bus_driver_send_service_owner_changed (const char *service_name, + const char *old_owner, + const char *new_owner, + BusTransaction *transaction, + DBusError *error); #endif /* BUS_DRIVER_H */ diff --git a/bus/services.c b/bus/services.c index f5ef4cc2..0ba3225d 100644 --- a/bus/services.c +++ b/bus/services.c @@ -164,7 +164,10 @@ bus_registry_ensure (BusRegistry *registry, return NULL; } - if (!bus_driver_send_service_created (service->name, transaction, error)) + if (!bus_driver_send_service_owner_changed (service->name, + NULL, + bus_connection_get_name (owner_if_created), + transaction, error)) { bus_service_unref (service); return NULL; @@ -726,20 +729,31 @@ bus_service_remove_owner (BusService *service, } else if (_dbus_list_length_is_one (&service->owners)) { - if (!bus_driver_send_service_deleted (service->name, - transaction, error)) + if (!bus_driver_send_service_owner_changed (service->name, + bus_connection_get_name (owner), + NULL, + transaction, error)) return FALSE; } else { DBusList *link; + DBusConnection *new_owner; link = _dbus_list_get_first_link (&service->owners); _dbus_assert (link != NULL); link = _dbus_list_get_next_link (&service->owners, link); _dbus_assert (link != NULL); + new_owner = link->data; + + if (!bus_driver_send_service_owner_changed (service->name, + bus_connection_get_name (owner), + bus_connection_get_name (new_owner), + transaction, error)) + return FALSE; + /* This will be our new owner */ - if (!bus_driver_send_service_acquired (link->data, + if (!bus_driver_send_service_acquired (new_owner, service->name, transaction, error)) diff --git a/doc/dbus-specification.xml b/doc/dbus-specification.xml index f0d1727e..4793278f 100644 --- a/doc/dbus-specification.xml +++ b/doc/dbus-specification.xml @@ -2277,19 +2277,14 @@ <para> This message is sent to a specific application when it loses primary ownership of a service. - - [FIXME instead of ServiceLost/ServiceCreated going only to - a specific app, why not just OwnerChanged that covers both - lost and created and changed owner and deleted] </para> </sect3> - <sect3 id="bus-messages-service-created"> - <title><literal>org.freedesktop.DBus.ServiceCreated</literal></title> + <sect3 id="bus-messages-service-owner-changed"> + <title><literal>org.freedesktop.DBus.ServiceOwnerChanged</literal></title> <para> - As a method: <programlisting> - ServiceCreated (in STRING service_name) + ServiceOwnerChanged (STRING service_name, STRING old_owner, STRING new_owner) </programlisting> Message arguments: <informaltable> @@ -2309,46 +2304,15 @@ </row> <row> <entry>1</entry> - <entry>UINT32</entry> - <entry>Flags</entry> + <entry>STRING</entry> + <entry>Base service of previous owner, empty string if the + service is newly created</entry> </row> - </tbody> - </tgroup> - </informaltable> - </para> - <para> - This message is broadcast to all applications when a service has been - successfully registered on the message bus. - </para> - </sect3> - - <sect3 id="bus-messages-service-deleted"> - <title><literal>org.freedesktop.DBus.ServiceDeleted</literal></title> - <para> - As a method: - <programlisting> - ServiceDeleted (in STRING service_name) - </programlisting> - Message arguments: - <informaltable> - <tgroup cols="3"> - <thead> - <row> - <entry>Argument</entry> - <entry>Type</entry> - <entry>Description</entry> - </row> - </thead> - <tbody> - <row> - <entry>0</entry> - <entry>STRING</entry> - <entry>Name of the service</entry> - </row> <row> - <entry>1</entry> - <entry>UINT32</entry> - <entry>Flags</entry> + <entry>2</entry> + <entry>STRING</entry> + <entry>Base service of new owner, empty string if the + service is no longer available</entry> </row> </tbody> </tgroup> @@ -2356,7 +2320,8 @@ </para> <para> This message is broadcast to all applications when a service has been - deleted from the message bus. + successfully registered on the message bus, has been deleted + or its primary owner has changed. </para> </sect3> |