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Add LXC singleton methods

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This commit is contained in:
Andre Nathan 2013-12-05 09:44:23 -02:00
parent 61dddd8ec9
commit 739f6df287
1 changed files with 72 additions and 2 deletions
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74
ext/lxc.c
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@ -1,8 +1,9 @@
#include <ruby.h>
#include <linux/sched.h> /* for namespace constants */
#include <string.h>
#include <linux/personality.h> /* for PER_* constants */
#include <linux/sched.h> /* for CLONE_* constants */
#include <lxc/lxccontainer.h>
#include <lxc/attach_options.h>
#include <string.h>
#define SYMBOL(s) ID2SYM(rb_intern(s))
@ -1084,10 +1085,79 @@ container_wait(int argc, VALUE *argv, VALUE self)
return self;
}
static VALUE
lxc_default_config_path(VALUE self)
{
return rb_str_new2(lxc_get_default_config_path());
}
static VALUE
lxc_version(VALUE self)
{
return rb_str_new2(lxc_get_version());
}
static VALUE
lxc_list_containers(int argc, VALUE *argv, VALUE self)
{
int i, num_containers;
int active, defined;
char *config;
char **names;
VALUE rb_active, rb_defined, rb_config;
VALUE rb_opts;
VALUE rb_containers;
rb_scan_args(argc, argv, "01", &rb_opts);
if (NIL_P(rb_opts)) {
active = 1;
defined = 1;
config = NULL;
} else {
Check_Type(rb_opts, T_HASH);
rb_active = rb_hash_aref(rb_opts, SYMBOL("active"));
active = (rb_active != Qnil) && (rb_active != Qfalse);
rb_defined = rb_hash_aref(rb_opts, SYMBOL("defined"));
defined = (rb_defined != Qnil) && (rb_defined != Qfalse);
rb_config = rb_hash_aref(rb_opts, SYMBOL("config_path"));
config = NIL_P(rb_config) ? NULL : StringValuePtr(rb_config);
}
num_containers = 0;
if (active && defined)
num_containers = list_all_containers(config, &names, NULL);
else if (active)
num_containers = list_active_containers(config, &names, NULL);
else if (defined)
num_containers = list_defined_containers(config, &names, NULL);
if (num_containers < 0)
rb_raise(Error, "failure to list containers");
rb_containers = rb_ary_new2(num_containers);
for (i = 0; i < num_containers; i++)
rb_ary_store(rb_containers, i, rb_str_new2(names[i]));
free_char_pointer_array(names, num_containers);
return rb_containers;
}
void
Init_lxc(void)
{
VALUE LXC = rb_define_module("LXC");
//rb_define_singleton_method(LXC, "arch_to_personality",
// lxc_arch_to_personality, 1);
//rb_define_singleton_method(LXC, "attach_run_command",
// lxc_attach_run_command, 0);
//rb_define_singleton_method(LXC, "attach_run_shell",
// lxc_attach_run_shell, 0);
rb_define_singleton_method(LXC, "default_config_path",
lxc_default_config_path, 0);
rb_define_singleton_method(LXC, "version", lxc_version, 0);
rb_define_singleton_method(LXC, "list_containers", lxc_list_containers, -1);
VALUE Container = rb_define_class_under(LXC, "Container", rb_cObject);
rb_define_alloc_func(Container, container_alloc);