X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Ftools%2Frbd%2Faction%2FWatch.cc;fp=src%2Fceph%2Fsrc%2Ftools%2Frbd%2Faction%2FWatch.cc;h=0000000000000000000000000000000000000000;hb=7da45d65be36d36b880cc55c5036e96c24b53f00;hp=4492ee85b07bc671417379b01bd19765ccdef413;hpb=691462d09d0987b47e112d6ee8740375df3c51b2;p=stor4nfv.git diff --git a/src/ceph/src/tools/rbd/action/Watch.cc b/src/ceph/src/tools/rbd/action/Watch.cc deleted file mode 100644 index 4492ee8..0000000 --- a/src/ceph/src/tools/rbd/action/Watch.cc +++ /dev/null @@ -1,131 +0,0 @@ -// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- -// vim: ts=8 sw=2 smarttab - -#include "tools/rbd/ArgumentTypes.h" -#include "tools/rbd/Shell.h" -#include "tools/rbd/Utils.h" -#include "include/rbd_types.h" -#include "common/errno.h" -#include -#include - -namespace rbd { -namespace action { -namespace watch { - -namespace at = argument_types; -namespace po = boost::program_options; - -class RbdWatchCtx : public librados::WatchCtx2 { -public: - RbdWatchCtx(librados::IoCtx& io_ctx, const char *image_name, - std::string header_oid) - : m_io_ctx(io_ctx), m_image_name(image_name), m_header_oid(header_oid) - { - } - - ~RbdWatchCtx() override {} - - void handle_notify(uint64_t notify_id, - uint64_t cookie, - uint64_t notifier_id, - bufferlist& bl) override { - std::cout << m_image_name << " received notification: notify_id=" - << notify_id << ", cookie=" << cookie << ", notifier_id=" - << notifier_id << ", bl.length=" << bl.length() << std::endl; - bufferlist reply; - m_io_ctx.notify_ack(m_header_oid, notify_id, cookie, reply); - } - - void handle_error(uint64_t cookie, int err) override { - std::cerr << m_image_name << " received error: cookie=" << cookie << ", " - << "err=" << cpp_strerror(err) << std::endl; - } -private: - librados::IoCtx m_io_ctx; - const char *m_image_name; - std::string m_header_oid; -}; - -static int do_watch(librados::IoCtx& pp, librbd::Image &image, - const char *imgname) -{ - uint8_t old_format; - int r = image.old_format(&old_format); - if (r < 0) { - std::cerr << "failed to query format" << std::endl; - return r; - } - - std::string header_oid; - if (old_format != 0) { - header_oid = std::string(imgname) + RBD_SUFFIX; - } else { - std::string id; - r = image.get_id(&id); - if (r < 0) { - return r; - } - - header_oid = RBD_HEADER_PREFIX + id; - } - - uint64_t cookie; - RbdWatchCtx ctx(pp, imgname, header_oid); - r = pp.watch2(header_oid, &cookie, &ctx); - if (r < 0) { - std::cerr << "rbd: watch failed" << std::endl; - return r; - } - - std::cout << "press enter to exit..." << std::endl; - getchar(); - - r = pp.unwatch2(cookie); - if (r < 0) { - std::cerr << "rbd: unwatch failed" << std::endl; - return r; - } - return 0; -} - -void get_arguments(po::options_description *positional, - po::options_description *options) { - at::add_image_spec_options(positional, options, at::ARGUMENT_MODIFIER_NONE); -} - -int execute(const po::variables_map &vm) { - size_t arg_index = 0; - std::string pool_name; - std::string image_name; - std::string snap_name; - int r = utils::get_pool_image_snapshot_names( - vm, at::ARGUMENT_MODIFIER_NONE, &arg_index, &pool_name, &image_name, - &snap_name, utils::SNAPSHOT_PRESENCE_NONE, utils::SPEC_VALIDATION_NONE); - if (r < 0) { - return r; - } - - librados::Rados rados; - librados::IoCtx io_ctx; - librbd::Image image; - r = utils::init_and_open_image(pool_name, image_name, "", "", true, &rados, - &io_ctx, &image); - if (r < 0) { - return r; - } - - r = do_watch(io_ctx, image, image_name.c_str()); - if (r < 0) { - std::cerr << "rbd: watch failed: " << cpp_strerror(r) << std::endl; - return r; - } - return 0; -} - -Shell::Action action( - {"watch"}, {}, "Watch events on image.", "", &get_arguments, &execute); - -} // namespace watch -} // namespace action -} // namespace rbd