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69 lines
2.4 KiB
Diff
69 lines
2.4 KiB
Diff
From 55c732acd013b6ac979b6e1f5432a301481879ca Mon Sep 17 00:00:00 2001
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From: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
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Date: Sun, 15 Aug 2010 22:56:49 +0100
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Subject: [PATCH] Check if the deamon isn't already running
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---
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avahi-client/client.c | 29 +++++++++++++++++++++++++----
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1 files changed, 25 insertions(+), 4 deletions(-)
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diff --git a/avahi-client/client.c b/avahi-client/client.c
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index be675ad..c7ece4a 100644
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--- a/avahi-client/client.c
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+++ b/avahi-client/client.c
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@@ -478,6 +478,7 @@ static DBusConnection* avahi_dbus_bus_get(DBusError *error) {
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AvahiClient *avahi_client_new(const AvahiPoll *poll_api, AvahiClientFlags flags, AvahiClientCallback callback, void *userdata, int *ret_error) {
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AvahiClient *client = NULL;
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DBusError error;
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+ int daemon_running = 0;
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avahi_init_i18n();
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@@ -560,12 +561,33 @@ AvahiClient *avahi_client_new(const AvahiPoll *poll_api, AvahiClientFlags flags,
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if (dbus_error_is_set(&error))
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goto fail;
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- if (!dbus_bus_start_service_by_name(client->bus, AVAHI_DBUS_NAME, 0, NULL, &error)) {
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- /* We free the error so its not set, that way the fail target
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- * will return the NO_DAEMON error rather than a DBUS error */
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+ /* Check if the process already exists on the bus, otherwise try to start
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+ * it. */
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+ if (!dbus_bus_name_has_owner (client->bus, AVAHI_DBUS_NAME, &error)) {
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+ dbus_error_free(&error);
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+ daemon_running = 0;
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+ } else {
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+ daemon_running = 1;
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+ }
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+
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+ if (!daemon_running &&
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+ !dbus_bus_start_service_by_name(client->bus,
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+ AVAHI_DBUS_NAME, 0, NULL, &error)) {
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dbus_error_free(&error);
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+ } else {
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+ daemon_running = 1;
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+ }
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+ /* Re-check something else didn't start the daemon */
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+ if (!daemon_running &&
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+ !dbus_bus_name_has_owner (client->bus, AVAHI_DBUS_NAME, &error)) {
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+ dbus_error_free(&error);
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+ } else {
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+ daemon_running = 1;
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+ }
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+
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+ if (!daemon_running) {
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if (!(flags & AVAHI_CLIENT_NO_FAIL)) {
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if (ret_error)
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@@ -577,7 +599,6 @@ AvahiClient *avahi_client_new(const AvahiPoll *poll_api, AvahiClientFlags flags,
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/* The user doesn't want this call to fail if the daemon is not
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* available, so let's return succesfully */
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client_set_state(client, AVAHI_CLIENT_CONNECTING);
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-
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} else {
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if (init_server(client, ret_error) < 0)
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--
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1.7.1
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