X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=avahi-common%2Fdbus-watch-glue.c;h=b2b4bb2e8662f6dd0c272cd0e19738dcde58a01b;hb=e3f2e517162b80d256c966fa925c8e76e5691d6d;hp=7ca1c9df2f2e3486b93f1ce2f52650962fcc4e97;hpb=a52bd64a8db2c07bb2309cf2d8b888cc1a47ec56;p=catta diff --git a/avahi-common/dbus-watch-glue.c b/avahi-common/dbus-watch-glue.c index 7ca1c9d..b2b4bb2 100644 --- a/avahi-common/dbus-watch-glue.c +++ b/avahi-common/dbus-watch-glue.c @@ -22,8 +22,8 @@ #include #include -#include - +#include "malloc.h" +#include "timeval.h" #include "dbus-watch-glue.h" static AvahiWatchEvent translate_dbus_to_avahi(unsigned int f) { @@ -95,13 +95,20 @@ static void dispatch_timeout_callback(AvahiTimeout *t, void *userdata) { assert(t); assert(d); + connection_data_ref(d); + dbus_connection_ref(d->connection); + if (dbus_connection_dispatch(d->connection) == DBUS_DISPATCH_DATA_REMAINS) /* If there's still data, request that this handler is called again */ request_dispatch(d); + + dbus_connection_unref(d->connection); + connection_data_unref(d); } -static void watch_callback(AvahiWatch *avahi_watch, int fd, AvahiWatchEvent events, void *userdata) { +static void watch_callback(AvahiWatch *avahi_watch, AVAHI_GCC_UNUSED int fd, AvahiWatchEvent events, void *userdata) { DBusWatch *dbus_watch = userdata; + assert(avahi_watch); assert(dbus_watch); @@ -180,10 +187,32 @@ typedef struct TimeoutData { const AvahiPoll *poll_api; AvahiTimeout *avahi_timeout; DBusTimeout *dbus_timeout; + int ref; } TimeoutData; +static TimeoutData* timeout_data_ref(TimeoutData *t) { + assert(t); + assert(t->ref >= 1); + + t->ref++; + return t; +} + +static void timeout_data_unref(TimeoutData *t) { + assert(t); + assert(t->ref >= 1); + + if (--t->ref <= 0) { + if (t->avahi_timeout) + t->poll_api->timeout_free(t->avahi_timeout); + + avahi_free(t); + } +} + static void update_timeout(TimeoutData *timeout) { assert(timeout); + assert(timeout->ref >= 1); if (dbus_timeout_get_enabled(timeout->dbus_timeout)) { struct timeval tv; @@ -201,10 +230,15 @@ static void timeout_callback(AvahiTimeout *avahi_timeout, void *userdata) { assert(avahi_timeout); assert(timeout); + timeout_data_ref(timeout); + dbus_timeout_handle(timeout->dbus_timeout); /* Ignore the return value */ + + if (timeout->avahi_timeout) + update_timeout(timeout); - update_timeout(timeout); + timeout_data_unref(timeout); } static dbus_bool_t add_timeout(DBusTimeout *dbus_timeout, void *userdata) { @@ -221,6 +255,7 @@ static dbus_bool_t add_timeout(DBusTimeout *dbus_timeout, void *userdata) { timeout->dbus_timeout = dbus_timeout; timeout->poll_api = d->poll_api; + timeout->ref = 1; if ((b = dbus_timeout_get_enabled(dbus_timeout))) avahi_elapse_time(&tv, dbus_timeout_get_interval(dbus_timeout), 0); @@ -229,12 +264,12 @@ static dbus_bool_t add_timeout(DBusTimeout *dbus_timeout, void *userdata) { d->poll_api, b ? &tv : NULL, timeout_callback, - dbus_timeout))) { + timeout))) { avahi_free(timeout); return FALSE; } - dbus_timeout_set_data(dbus_timeout, timeout, NULL); + dbus_timeout_set_data(dbus_timeout, timeout, (DBusFreeFunction) timeout_data_unref); return TRUE; } @@ -249,11 +284,10 @@ static void remove_timeout(DBusTimeout *dbus_timeout, void *userdata) { assert(timeout); d->poll_api->timeout_free(timeout->avahi_timeout); - avahi_free(timeout); - dbus_timeout_set_data(dbus_timeout, NULL, NULL); + timeout->avahi_timeout = NULL; } -static void timeout_toggled(DBusTimeout *dbus_timeout, void *userdata) { +static void timeout_toggled(DBusTimeout *dbus_timeout, AVAHI_GCC_UNUSED void *userdata) { TimeoutData *timeout; assert(dbus_timeout); @@ -263,7 +297,7 @@ static void timeout_toggled(DBusTimeout *dbus_timeout, void *userdata) { update_timeout(timeout); } -static void dispatch_status(DBusConnection *connection, DBusDispatchStatus new_status, void *userdata) { +static void dispatch_status(AVAHI_GCC_UNUSED DBusConnection *connection, DBusDispatchStatus new_status, void *userdata) { ConnectionData *d = userdata; if (new_status == DBUS_DISPATCH_DATA_REMAINS)