1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
2 // vim: ts=8 sw=2 smarttab
4 #include "tools/rbd/ArgumentTypes.h"
5 #include "tools/rbd/Shell.h"
6 #include "tools/rbd/Utils.h"
7 #include "include/rbd_types.h"
8 #include "common/errno.h"
9 #include "common/Formatter.h"
11 #include <boost/program_options.hpp>
17 namespace at = argument_types;
18 namespace po = boost::program_options;
20 static int do_show_status(librados::IoCtx &io_ctx, librbd::Image &image,
21 const char *imgname, Formatter *f)
25 std::string header_oid;
26 std::list<obj_watch_t> watchers;
28 r = image.old_format(&old_format);
34 header_oid += RBD_SUFFIX;
37 r = image.get_id(&id);
42 header_oid = RBD_HEADER_PREFIX + id;
45 r = io_ctx.list_watchers(header_oid, &watchers);
50 f->open_object_section("status");
53 f->open_array_section("watchers");
54 for (std::list<obj_watch_t>::iterator i = watchers.begin(); i != watchers.end(); ++i) {
55 f->open_object_section("watcher");
56 f->dump_string("address", i->addr);
57 f->dump_unsigned("client", i->watcher_id);
58 f->dump_unsigned("cookie", i->cookie);
63 if (watchers.size()) {
64 std::cout << "Watchers:" << std::endl;
65 for (std::list<obj_watch_t>::iterator i = watchers.begin();
66 i != watchers.end(); ++i) {
67 std::cout << "\twatcher=" << i->addr << " client." << i->watcher_id
68 << " cookie=" << i->cookie << std::endl;
71 std::cout << "Watchers: none" << std::endl;
82 void get_arguments(po::options_description *positional,
83 po::options_description *options) {
84 at::add_image_spec_options(positional, options, at::ARGUMENT_MODIFIER_NONE);
85 at::add_format_options(options);
88 int execute(const po::variables_map &vm) {
90 std::string pool_name;
91 std::string image_name;
92 std::string snap_name;
93 int r = utils::get_pool_image_snapshot_names(
94 vm, at::ARGUMENT_MODIFIER_NONE, &arg_index, &pool_name, &image_name,
95 &snap_name, utils::SNAPSHOT_PRESENCE_NONE, utils::SPEC_VALIDATION_NONE);
100 at::Format::Formatter formatter;
101 r = utils::get_formatter(vm, &formatter);
106 librados::Rados rados;
107 librados::IoCtx io_ctx;
109 r = utils::init_and_open_image(pool_name, image_name, "", "", true, &rados,
115 r = do_show_status(io_ctx, image, image_name.c_str(), formatter.get());
117 std::cerr << "rbd: show status failed: " << cpp_strerror(r) << std::endl;
123 Shell::Action action(
124 {"status"}, {}, "Show the status of this image.", "", &get_arguments,
127 } // namespace status
128 } // namespace action