Several bug fixes, some API enhancements.

The first basic acceptance test is under development and first
prototype is released

 api.c              |  161 +++++++++++++++++++++++++++++++++++++++++++----------
 libcg.h            |   14 +---
 tests/Makefile     |    9 ++
 tests/libcg_ba.cpp |  127 +++++++++++++++++++++++++++++++++++++++++
 4 files changed, 274 insertions(+), 37 deletions(-)

Signed-off-by: Balbir Singh <balbir@linux.vnet.ibm.com>



git-svn-id: https://libcg.svn.sourceforge.net/svnroot/libcg/branches/balbir@12 4f4bb910-9a46-0410-90c8-c897d4f1cd53

1 files changed, 127 insertions, 0 deletions

diff --git a/tests/libcg_ba.cpp b/tests/libcg_ba.cpp
new file mode 100644
index 0000000..873f12f
--- /dev/null
+++ b/tests/libcg_ba.cpp
@@ -0,0 +1,127 @@
+/*
+ * Copyright IBM Corporation. 2007
+ *
+ * Author:	Balbir Singh <balbir@linux.vnet.ibm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * Basic acceptance test for libcg - Written one late night by Balbir Singh
+ */
+using namespace std;
+
+#include <string>
+#include <stdexcept>
+#include <iostream>
+#include <libcg.h>
+#include <sys/types.h>
+#include <pwd.h>
+#include <errno.h>
+
+namespace cgtest {
+
+class cg {
+private:
+public:
+	cg();
+	~cg()
+	{ }
+	struct cgroup *makenode(const string &name, const string &task_uid,
+			const string &task_gid, const string &control_uid,
+			const string &control_gid);
+};
+
+cg::cg(void)
+{
+	int ret;
+
+	ret = cg_init();
+	if (ret)
+		throw logic_error("Control Group Initialization failed..."
+				"Please check that cgroups are mounted and\n"
+				"at a single place");
+}
+
+struct cgroup *cg::makenode(const string &name, const string &task_uid,
+		const string &task_gid, const string &control_uid,
+		const string &control_gid)
+{
+	uid_t tuid, cuid;
+	gid_t tgid, cgid;
+	struct cgroup *ccg;
+	struct passwd *passwd;
+	int ret;
+
+	ccg = (struct cgroup *)malloc(sizeof(*ccg));
+
+	passwd = getpwnam(task_uid.c_str());
+	if (!passwd)
+		return NULL;
+	tuid = passwd->pw_uid;
+
+	passwd = getpwnam(task_gid.c_str());
+	if (!passwd)
+		return NULL;
+	tgid = passwd->pw_gid;
+
+	passwd = getpwnam(control_uid.c_str());
+	if (!passwd)
+		return NULL;
+	cuid = passwd->pw_uid;
+
+	passwd = getpwnam(control_gid.c_str());
+	if (!passwd)
+		return NULL;
+	cgid = passwd->pw_gid;
+
+	dbg("tuid %d, tgid %d, cuid %d, cgid %d\n", tuid, tgid, cuid, cgid);
+
+	ccg->name = (char *)malloc(strlen(name.c_str()) + 1);
+	strcpy(ccg->name, name.c_str());
+	ccg->controller[0] = (struct controller *)
+				calloc(1, sizeof(struct controller));
+	ccg->controller[0]->name = (char *)malloc(strlen("cpu") + 1);
+	strcpy(ccg->controller[0]->name,"cpu");
+
+	ccg->controller[0]->values[0] = (struct control_value *)
+					calloc(1, sizeof(struct control_value));
+	strcpy(ccg->controller[0]->values[0]->name,"cpu.shares");
+	ccg->controller[0]->values[0]->value = (char *)malloc(strlen("100") + 1);
+	strcpy(ccg->controller[0]->values[0]->value, "100");
+	ccg->tasks_uid = tuid;
+	ccg->tasks_gid = tgid;
+	ccg->control_uid = cuid;
+	ccg->control_gid = cgid;
+
+	ret = cg_create_cgroup(ccg);
+	if (ret) {
+		cout << "cg create group failed " << errno << endl;
+		ret = cg_delete_cgroup(ccg, 1);
+		if (ret)
+			cout << "cg delete group failed " << errno << endl;
+	}
+	return ccg;
+}
+
+} // namespace
+
+using namespace cgtest;
+int main(int argc, char *argv[])
+{
+	try {
+		cg *app = new cg();
+		struct cgroup *ccg;
+		ccg = app->makenode("database", "root", "root", "balbir",
+					"balbir");
+		delete app;
+	} catch (exception &e) {
+		cout << e.what() << endl;
+		exit(1);
+	}
+	return 0;
+}