To complete the previous patch that implemented properties in rtkit,
here's the client-side code that tests that the properties work, and make
them more accessible for the casual C programmer.
// David
From 309659d47396544cd2b8d97ac5dac4460f543723 Mon Sep 17 00:00:00 2001
From: David Henningsson di...@ubuntu.com
Date: Sun, 7 Feb 2010 13:18:00 +0100
Subject: [PATCH] Implement client-side testing of property retrieval
---
rtkit-test.c | 22 ++--
rtkit.c | 114 ++
rtkit.h | 17 +
3 files changed, 150 insertions(+), 3 deletions(-)
diff --git a/rtkit-test.c b/rtkit-test.c
index 2841b52..9d2703f 100644
--- a/rtkit-test.c
+++ b/rtkit-test.c
@@ -76,7 +76,8 @@ static void print_status(const char *t) {
int main(int argc, char *argv[]) {
DBusError error;
DBusConnection *bus;
-int r;
+int r, r2;
+long long r3;
struct rlimit rlim;
dbus_error_init(error);
@@ -86,6 +87,21 @@ int main(int argc, char *argv[]) {
return 1;
}
+if ((r = rtkit_get_max_realtime_priority(bus)) 0)
+fprintf(stderr, Failed to retrieve max realtime priority: %s\n, strerror(-r));
+else
+printf(Max realtime priority is: %d\n, r);
+
+if ((r2 = rtkit_get_min_nice_level(bus, r)))
+fprintf(stderr, Failed to retrieve min nice level: %s\n, strerror(-r2));
+else
+printf(Min nice level is: %d\n, r);
+
+if ((r3 = rtkit_get_rttime_nsec_max(bus)) 0)
+fprintf(stderr, Failed to retrieve rttime limit: %s\n, strerror(-r3));
+else
+printf(Rttime limit is: %lld ns\n, r3);
+
memset(rlim, 0, sizeof(rlim));
rlim.rlim_cur = rlim.rlim_max = 1ULL; /* 100ms */
if ((setrlimit(RLIMIT_RTTIME, rlim) 0))
@@ -96,14 +112,14 @@ int main(int argc, char *argv[]) {
if ((r = rtkit_make_high_priority(bus, 0, -10)) 0)
fprintf(stderr, Failed to become high priority: %s\n, strerror(-r));
else
-printf(Sucessfully became high priority.\n);
+printf(Successfully became high priority.\n);
print_status(after high priority);
if ((r = rtkit_make_realtime(bus, 0, 10)) 0)
fprintf(stderr, Failed to become realtime: %s\n, strerror(-r));
else
-printf(Sucessfully became realtime.\n);
+printf(Successfully became realtime.\n);
print_status(after realtime);
diff --git a/rtkit.c b/rtkit.c
index aecc4e3..181f3de 100644
--- a/rtkit.c
+++ b/rtkit.c
@@ -2,6 +2,7 @@
/***
Copyright 2009 Lennart Poettering
+ Copyright 2010 David Henningsson di...@ubuntu.com
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation files
@@ -56,6 +57,107 @@ static int translate_error(const char *name) {
return -EIO;
}
+
+static long long rtkit_get_int_property(DBusConnection *connection, const char* propname, long long* propval) {
+DBusMessage *m = NULL, *r = NULL;
+DBusMessageIter iter, subiter;
+dbus_int64_t i64;
+dbus_int32_t i32;
+DBusError error;
+int current_type;
+long long ret;
+const char * interfacestr = org.freedesktop.RealtimeKit1;
+
+dbus_error_init(error);
+
+if (!(m = dbus_message_new_method_call(
+ RTKIT_SERVICE_NAME,
+ RTKIT_OBJECT_PATH,
+ org.freedesktop.DBus.Properties,
+ Get))) {
+ret = -ENOMEM;
+goto finish;
+}
+
+if (!dbus_message_append_args(
+m,
+DBUS_TYPE_STRING, interfacestr,
+DBUS_TYPE_STRING, propname,
+DBUS_TYPE_INVALID)) {
+ret = -ENOMEM;
+goto finish;
+}
+
+if (!(r = dbus_connection_send_with_reply_and_block(connection, m, -1, error))) {
+ret = translate_error(error.name);
+goto finish;
+}
+
+if (dbus_set_error_from_message(error, r)) {
+ret = translate_error(error.name);
+goto finish;
+}
+
+ ret = -EBADMSG;
+dbus_message_iter_init(r, iter);
+while ((current_type = dbus_message_iter_get_arg_type (iter)) != DBUS_TYPE_INVALID) {
+if (current_type == DBUS_TYPE_VARIANT) {
+dbus_message_iter_recurse(iter, subiter);
+while ((current_type = dbus_message_iter_get_arg_type (subiter)) != DBUS_TYPE_INVALID) {
+if (current_type == DBUS_TYPE_INT32) {
+
