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hostnamed: when hostname is set to existing value, suppress notifications

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When the hostname is set through network config or such, let's
optimize things a bit by suppressing the logs and dbus notifications.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2020-12-04 19:17:45 +01:00
parent 39ede7cc37
commit efda832d4f
1 changed files with 11 additions and 7 deletions
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18
src/hostname/hostnamed.c
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@ -359,8 +359,7 @@ static int context_update_kernel_hostname(
return r;
(void) nscd_flush_cache(STRV_MAKE("hosts"));
return 0;
return r; /* 0 if no change, 1 if something was done */
}
static int context_write_data_static_hostname(Context *c) {
@ -627,12 +626,16 @@ static int method_set_hostname(sd_bus_message *m, void *userdata, sd_bus_error *
if (r < 0) {
log_error_errno(r, "Failed to set hostname: %m");
return sd_bus_error_set_errnof(error, r, "Failed to set hostname: %m");
} else if (r == 0)
log_debug("Hostname was already set to <%s>.", name);
else {
log_info("Hostname set to <%s>", name);
(void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m),
"/org/freedesktop/hostname1", "org.freedesktop.hostname1",
"Hostname", "HostnameSource", NULL);
}
log_info("Changed hostname to '%s'", name);
(void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), "/org/freedesktop/hostname1", "org.freedesktop.hostname1", "Hostname", NULL);
return sd_bus_reply_method_return(m, NULL);
}
@ -691,7 +694,8 @@ static int method_set_static_hostname(sd_bus_message *m, void *userdata, sd_bus_
log_info("Changed static hostname to '%s'", strna(c->data[PROP_STATIC_HOSTNAME]));
(void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), "/org/freedesktop/hostname1", "org.freedesktop.hostname1", "StaticHostname", NULL);
(void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m),
"/org/freedesktop/hostname1", "org.freedesktop.hostname1", "StaticHostname", NULL);
return sd_bus_reply_method_return(m, NULL);
}