+++ /dev/null
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-
-#include "Types.h"
-#include "include/assert.h"
-#include "include/stringify.h"
-#include "common/Formatter.h"
-
-namespace rbd {
-namespace mirror {
-namespace instance_watcher {
-
-namespace {
-
-class EncodePayloadVisitor : public boost::static_visitor<void> {
-public:
- explicit EncodePayloadVisitor(bufferlist &bl) : m_bl(bl) {}
-
- template <typename Payload>
- inline void operator()(const Payload &payload) const {
- ::encode(static_cast<uint32_t>(Payload::NOTIFY_OP), m_bl);
- payload.encode(m_bl);
- }
-
-private:
- bufferlist &m_bl;
-};
-
-class DecodePayloadVisitor : public boost::static_visitor<void> {
-public:
- DecodePayloadVisitor(__u8 version, bufferlist::iterator &iter)
- : m_version(version), m_iter(iter) {}
-
- template <typename Payload>
- inline void operator()(Payload &payload) const {
- payload.decode(m_version, m_iter);
- }
-
-private:
- __u8 m_version;
- bufferlist::iterator &m_iter;
-};
-
-class DumpPayloadVisitor : public boost::static_visitor<void> {
-public:
- explicit DumpPayloadVisitor(Formatter *formatter) : m_formatter(formatter) {}
-
- template <typename Payload>
- inline void operator()(const Payload &payload) const {
- NotifyOp notify_op = Payload::NOTIFY_OP;
- m_formatter->dump_string("notify_op", stringify(notify_op));
- payload.dump(m_formatter);
- }
-
-private:
- ceph::Formatter *m_formatter;
-};
-
-} // anonymous namespace
-
-void PayloadBase::encode(bufferlist &bl) const {
- ::encode(request_id, bl);
-}
-
-void PayloadBase::decode(__u8 version, bufferlist::iterator &iter) {
- ::decode(request_id, iter);
-}
-
-void PayloadBase::dump(Formatter *f) const {
- f->dump_unsigned("request_id", request_id);
-}
-
-void ImagePayloadBase::encode(bufferlist &bl) const {
- PayloadBase::encode(bl);
- ::encode(global_image_id, bl);
-}
-
-void ImagePayloadBase::decode(__u8 version, bufferlist::iterator &iter) {
- PayloadBase::decode(version, iter);
- ::decode(global_image_id, iter);
-}
-
-void ImagePayloadBase::dump(Formatter *f) const {
- PayloadBase::dump(f);
- f->dump_string("global_image_id", global_image_id);
-}
-
-void PeerImageRemovedPayload::encode(bufferlist &bl) const {
- PayloadBase::encode(bl);
- ::encode(global_image_id, bl);
- ::encode(peer_mirror_uuid, bl);
-}
-
-void PeerImageRemovedPayload::decode(__u8 version, bufferlist::iterator &iter) {
- PayloadBase::decode(version, iter);
- ::decode(global_image_id, iter);
- ::decode(peer_mirror_uuid, iter);
-}
-
-void PeerImageRemovedPayload::dump(Formatter *f) const {
- PayloadBase::dump(f);
- f->dump_string("global_image_id", global_image_id);
- f->dump_string("peer_mirror_uuid", peer_mirror_uuid);
-}
-
-void SyncPayloadBase::encode(bufferlist &bl) const {
- PayloadBase::encode(bl);
- ::encode(sync_id, bl);
-}
-
-void SyncPayloadBase::decode(__u8 version, bufferlist::iterator &iter) {
- PayloadBase::decode(version, iter);
- ::decode(sync_id, iter);
-}
-
-void SyncPayloadBase::dump(Formatter *f) const {
- PayloadBase::dump(f);
- f->dump_string("sync_id", sync_id);
-}
-
-void UnknownPayload::encode(bufferlist &bl) const {
- assert(false);
-}
-
-void UnknownPayload::decode(__u8 version, bufferlist::iterator &iter) {
-}
-
-void UnknownPayload::dump(Formatter *f) const {
-}
-
-void NotifyMessage::encode(bufferlist& bl) const {
- ENCODE_START(2, 2, bl);
- boost::apply_visitor(EncodePayloadVisitor(bl), payload);
- ENCODE_FINISH(bl);
-}
-
-void NotifyMessage::decode(bufferlist::iterator& iter) {
- DECODE_START(2, iter);
-
- uint32_t notify_op;
- ::decode(notify_op, iter);
-
- // select the correct payload variant based upon the encoded op
- switch (notify_op) {
- case NOTIFY_OP_IMAGE_ACQUIRE:
- payload = ImageAcquirePayload();
- break;
- case NOTIFY_OP_IMAGE_RELEASE:
- payload = ImageReleasePayload();
- break;
- case NOTIFY_OP_PEER_IMAGE_REMOVED:
- payload = PeerImageRemovedPayload();
- break;
- case NOTIFY_OP_SYNC_REQUEST:
- payload = SyncRequestPayload();
- break;
- case NOTIFY_OP_SYNC_START:
- payload = SyncStartPayload();
- break;
- default:
- payload = UnknownPayload();
- break;
- }
-
- apply_visitor(DecodePayloadVisitor(struct_v, iter), payload);
- DECODE_FINISH(iter);
-}
-
-void NotifyMessage::dump(Formatter *f) const {
- apply_visitor(DumpPayloadVisitor(f), payload);
-}
-
-void NotifyMessage::generate_test_instances(std::list<NotifyMessage *> &o) {
- o.push_back(new NotifyMessage(ImageAcquirePayload()));
- o.push_back(new NotifyMessage(ImageAcquirePayload(1, "gid")));
-
- o.push_back(new NotifyMessage(ImageReleasePayload()));
- o.push_back(new NotifyMessage(ImageReleasePayload(1, "gid")));
-
- o.push_back(new NotifyMessage(PeerImageRemovedPayload()));
- o.push_back(new NotifyMessage(PeerImageRemovedPayload(1, "gid", "uuid")));
-
- o.push_back(new NotifyMessage(SyncRequestPayload()));
- o.push_back(new NotifyMessage(SyncRequestPayload(1, "sync_id")));
-
- o.push_back(new NotifyMessage(SyncStartPayload()));
- o.push_back(new NotifyMessage(SyncStartPayload(1, "sync_id")));
-}
-
-std::ostream &operator<<(std::ostream &out, const NotifyOp &op) {
- switch (op) {
- case NOTIFY_OP_IMAGE_ACQUIRE:
- out << "ImageAcquire";
- break;
- case NOTIFY_OP_IMAGE_RELEASE:
- out << "ImageRelease";
- break;
- case NOTIFY_OP_PEER_IMAGE_REMOVED:
- out << "PeerImageRemoved";
- break;
- case NOTIFY_OP_SYNC_REQUEST:
- out << "SyncRequest";
- break;
- case NOTIFY_OP_SYNC_START:
- out << "SyncStart";
- break;
- default:
- out << "Unknown (" << static_cast<uint32_t>(op) << ")";
- break;
- }
- return out;
-}
-
-void NotifyAckPayload::encode(bufferlist &bl) const {
- ::encode(instance_id, bl);
- ::encode(request_id, bl);
- ::encode(ret_val, bl);
-}
-
-void NotifyAckPayload::decode(bufferlist::iterator &iter) {
- ::decode(instance_id, iter);
- ::decode(request_id, iter);
- ::decode(ret_val, iter);
-}
-
-void NotifyAckPayload::dump(Formatter *f) const {
- f->dump_string("instance_id", instance_id);
- f->dump_unsigned("request_id", request_id);
- f->dump_int("request_id", ret_val);
-}
-
-} // namespace instance_watcher
-} // namespace mirror
-} // namespace rbd
Code Review / stor4nfv.git / blobdiff