1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
2 // vim: ts=8 sw=2 smarttab
4 #include "cls/rbd/cls_rbd_types.h"
5 #include "common/Formatter.h"
6 #include "include/assert.h"
7 #include "include/stringify.h"
8 #include "librbd/WatchNotifyTypes.h"
9 #include "librbd/watcher/Utils.h"
12 namespace watch_notify {
16 class CheckForRefreshVisitor : public boost::static_visitor<bool> {
18 template <typename Payload>
19 inline bool operator()(const Payload &payload) const {
20 return Payload::CHECK_FOR_REFRESH;
24 class DumpPayloadVisitor : public boost::static_visitor<void> {
26 explicit DumpPayloadVisitor(Formatter *formatter) : m_formatter(formatter) {}
28 template <typename Payload>
29 inline void operator()(const Payload &payload) const {
30 NotifyOp notify_op = Payload::NOTIFY_OP;
31 m_formatter->dump_string("notify_op", stringify(notify_op));
32 payload.dump(m_formatter);
36 ceph::Formatter *m_formatter;
39 } // anonymous namespace
41 void AsyncRequestId::encode(bufferlist &bl) const {
42 ::encode(client_id, bl);
43 ::encode(request_id, bl);
46 void AsyncRequestId::decode(bufferlist::iterator &iter) {
47 ::decode(client_id, iter);
48 ::decode(request_id, iter);
51 void AsyncRequestId::dump(Formatter *f) const {
52 f->open_object_section("client_id");
55 f->dump_unsigned("request_id", request_id);
58 void AcquiredLockPayload::encode(bufferlist &bl) const {
59 ::encode(client_id, bl);
62 void AcquiredLockPayload::decode(__u8 version, bufferlist::iterator &iter) {
64 ::decode(client_id, iter);
68 void AcquiredLockPayload::dump(Formatter *f) const {
69 f->open_object_section("client_id");
74 void ReleasedLockPayload::encode(bufferlist &bl) const {
75 ::encode(client_id, bl);
78 void ReleasedLockPayload::decode(__u8 version, bufferlist::iterator &iter) {
80 ::decode(client_id, iter);
84 void ReleasedLockPayload::dump(Formatter *f) const {
85 f->open_object_section("client_id");
90 void RequestLockPayload::encode(bufferlist &bl) const {
91 ::encode(client_id, bl);
95 void RequestLockPayload::decode(__u8 version, bufferlist::iterator &iter) {
97 ::decode(client_id, iter);
100 ::decode(force, iter);
104 void RequestLockPayload::dump(Formatter *f) const {
105 f->open_object_section("client_id");
108 f->dump_bool("force", force);
111 void HeaderUpdatePayload::encode(bufferlist &bl) const {
114 void HeaderUpdatePayload::decode(__u8 version, bufferlist::iterator &iter) {
117 void HeaderUpdatePayload::dump(Formatter *f) const {
120 void AsyncRequestPayloadBase::encode(bufferlist &bl) const {
121 ::encode(async_request_id, bl);
124 void AsyncRequestPayloadBase::decode(__u8 version, bufferlist::iterator &iter) {
125 ::decode(async_request_id, iter);
128 void AsyncRequestPayloadBase::dump(Formatter *f) const {
129 f->open_object_section("async_request_id");
130 async_request_id.dump(f);
134 void AsyncProgressPayload::encode(bufferlist &bl) const {
135 AsyncRequestPayloadBase::encode(bl);
136 ::encode(offset, bl);
140 void AsyncProgressPayload::decode(__u8 version, bufferlist::iterator &iter) {
141 AsyncRequestPayloadBase::decode(version, iter);
142 ::decode(offset, iter);
143 ::decode(total, iter);
146 void AsyncProgressPayload::dump(Formatter *f) const {
147 AsyncRequestPayloadBase::dump(f);
148 f->dump_unsigned("offset", offset);
149 f->dump_unsigned("total", total);
152 void AsyncCompletePayload::encode(bufferlist &bl) const {
153 AsyncRequestPayloadBase::encode(bl);
154 ::encode(result, bl);
157 void AsyncCompletePayload::decode(__u8 version, bufferlist::iterator &iter) {
158 AsyncRequestPayloadBase::decode(version, iter);
159 ::decode(result, iter);
162 void AsyncCompletePayload::dump(Formatter *f) const {
163 AsyncRequestPayloadBase::dump(f);
164 f->dump_int("result", result);
167 void ResizePayload::encode(bufferlist &bl) const {
169 AsyncRequestPayloadBase::encode(bl);
170 ::encode(allow_shrink, bl);
173 void ResizePayload::decode(__u8 version, bufferlist::iterator &iter) {
174 ::decode(size, iter);
175 AsyncRequestPayloadBase::decode(version, iter);
178 ::decode(allow_shrink, iter);
182 void ResizePayload::dump(Formatter *f) const {
183 f->dump_unsigned("size", size);
184 f->dump_bool("allow_shrink", allow_shrink);
185 AsyncRequestPayloadBase::dump(f);
188 void SnapPayloadBase::encode(bufferlist &bl) const {
189 ::encode(snap_name, bl);
190 ::encode(cls::rbd::SnapshotNamespaceOnDisk(snap_namespace), bl);
193 void SnapPayloadBase::decode(__u8 version, bufferlist::iterator &iter) {
194 ::decode(snap_name, iter);
196 cls::rbd::SnapshotNamespaceOnDisk sn;
198 snap_namespace = sn.snapshot_namespace;
202 void SnapPayloadBase::dump(Formatter *f) const {
203 f->dump_string("snap_name", snap_name);
204 cls::rbd::SnapshotNamespaceOnDisk sn(snap_namespace);
208 void SnapCreatePayload::encode(bufferlist &bl) const {
209 SnapPayloadBase::encode(bl);
212 void SnapCreatePayload::decode(__u8 version, bufferlist::iterator &iter) {
213 SnapPayloadBase::decode(version, iter);
215 cls::rbd::SnapshotNamespaceOnDisk sn;
217 snap_namespace = sn.snapshot_namespace;
221 void SnapCreatePayload::dump(Formatter *f) const {
222 SnapPayloadBase::dump(f);
225 void SnapRenamePayload::encode(bufferlist &bl) const {
226 ::encode(snap_id, bl);
227 SnapPayloadBase::encode(bl);
230 void SnapRenamePayload::decode(__u8 version, bufferlist::iterator &iter) {
231 ::decode(snap_id, iter);
232 SnapPayloadBase::decode(version, iter);
235 void SnapRenamePayload::dump(Formatter *f) const {
236 f->dump_unsigned("src_snap_id", snap_id);
237 SnapPayloadBase::dump(f);
240 void RenamePayload::encode(bufferlist &bl) const {
241 ::encode(image_name, bl);
244 void RenamePayload::decode(__u8 version, bufferlist::iterator &iter) {
245 ::decode(image_name, iter);
248 void RenamePayload::dump(Formatter *f) const {
249 f->dump_string("image_name", image_name);
252 void UpdateFeaturesPayload::encode(bufferlist &bl) const {
253 ::encode(features, bl);
254 ::encode(enabled, bl);
257 void UpdateFeaturesPayload::decode(__u8 version, bufferlist::iterator &iter) {
258 ::decode(features, iter);
259 ::decode(enabled, iter);
262 void UpdateFeaturesPayload::dump(Formatter *f) const {
263 f->dump_unsigned("features", features);
264 f->dump_bool("enabled", enabled);
267 void UnknownPayload::encode(bufferlist &bl) const {
271 void UnknownPayload::decode(__u8 version, bufferlist::iterator &iter) {
274 void UnknownPayload::dump(Formatter *f) const {
277 bool NotifyMessage::check_for_refresh() const {
278 return boost::apply_visitor(CheckForRefreshVisitor(), payload);
281 void NotifyMessage::encode(bufferlist& bl) const {
282 ENCODE_START(6, 1, bl);
283 boost::apply_visitor(watcher::util::EncodePayloadVisitor(bl), payload);
287 void NotifyMessage::decode(bufferlist::iterator& iter) {
288 DECODE_START(1, iter);
291 ::decode(notify_op, iter);
293 // select the correct payload variant based upon the encoded op
295 case NOTIFY_OP_ACQUIRED_LOCK:
296 payload = AcquiredLockPayload();
298 case NOTIFY_OP_RELEASED_LOCK:
299 payload = ReleasedLockPayload();
301 case NOTIFY_OP_REQUEST_LOCK:
302 payload = RequestLockPayload();
304 case NOTIFY_OP_HEADER_UPDATE:
305 payload = HeaderUpdatePayload();
307 case NOTIFY_OP_ASYNC_PROGRESS:
308 payload = AsyncProgressPayload();
310 case NOTIFY_OP_ASYNC_COMPLETE:
311 payload = AsyncCompletePayload();
313 case NOTIFY_OP_FLATTEN:
314 payload = FlattenPayload();
316 case NOTIFY_OP_RESIZE:
317 payload = ResizePayload();
319 case NOTIFY_OP_SNAP_CREATE:
320 payload = SnapCreatePayload();
322 case NOTIFY_OP_SNAP_REMOVE:
323 payload = SnapRemovePayload();
325 case NOTIFY_OP_SNAP_RENAME:
326 payload = SnapRenamePayload();
328 case NOTIFY_OP_SNAP_PROTECT:
329 payload = SnapProtectPayload();
331 case NOTIFY_OP_SNAP_UNPROTECT:
332 payload = SnapUnprotectPayload();
334 case NOTIFY_OP_REBUILD_OBJECT_MAP:
335 payload = RebuildObjectMapPayload();
337 case NOTIFY_OP_RENAME:
338 payload = RenamePayload();
340 case NOTIFY_OP_UPDATE_FEATURES:
341 payload = UpdateFeaturesPayload();
344 payload = UnknownPayload();
348 apply_visitor(watcher::util::DecodePayloadVisitor(struct_v, iter), payload);
352 void NotifyMessage::dump(Formatter *f) const {
353 apply_visitor(DumpPayloadVisitor(f), payload);
356 void NotifyMessage::generate_test_instances(std::list<NotifyMessage *> &o) {
357 o.push_back(new NotifyMessage(AcquiredLockPayload(ClientId(1, 2))));
358 o.push_back(new NotifyMessage(ReleasedLockPayload(ClientId(1, 2))));
359 o.push_back(new NotifyMessage(RequestLockPayload(ClientId(1, 2), true)));
360 o.push_back(new NotifyMessage(HeaderUpdatePayload()));
361 o.push_back(new NotifyMessage(AsyncProgressPayload(AsyncRequestId(ClientId(0, 1), 2), 3, 4)));
362 o.push_back(new NotifyMessage(AsyncCompletePayload(AsyncRequestId(ClientId(0, 1), 2), 3)));
363 o.push_back(new NotifyMessage(FlattenPayload(AsyncRequestId(ClientId(0, 1), 2))));
364 o.push_back(new NotifyMessage(ResizePayload(123, true, AsyncRequestId(ClientId(0, 1), 2))));
365 o.push_back(new NotifyMessage(SnapCreatePayload(cls::rbd::UserSnapshotNamespace(),
367 o.push_back(new NotifyMessage(SnapRemovePayload(cls::rbd::UserSnapshotNamespace(), "foo")));
368 o.push_back(new NotifyMessage(SnapProtectPayload(cls::rbd::UserSnapshotNamespace(), "foo")));
369 o.push_back(new NotifyMessage(SnapUnprotectPayload(cls::rbd::UserSnapshotNamespace(), "foo")));
370 o.push_back(new NotifyMessage(RebuildObjectMapPayload(AsyncRequestId(ClientId(0, 1), 2))));
371 o.push_back(new NotifyMessage(RenamePayload("foo")));
372 o.push_back(new NotifyMessage(UpdateFeaturesPayload(1, true)));
375 void ResponseMessage::encode(bufferlist& bl) const {
376 ENCODE_START(1, 1, bl);
377 ::encode(result, bl);
381 void ResponseMessage::decode(bufferlist::iterator& iter) {
382 DECODE_START(1, iter);
383 ::decode(result, iter);
387 void ResponseMessage::dump(Formatter *f) const {
388 f->dump_int("result", result);
391 void ResponseMessage::generate_test_instances(std::list<ResponseMessage *> &o) {
392 o.push_back(new ResponseMessage(1));
395 } // namespace watch_notify
396 } // namespace librbd
398 std::ostream &operator<<(std::ostream &out,
399 const librbd::watch_notify::NotifyOp &op) {
400 using namespace librbd::watch_notify;
403 case NOTIFY_OP_ACQUIRED_LOCK:
404 out << "AcquiredLock";
406 case NOTIFY_OP_RELEASED_LOCK:
407 out << "ReleasedLock";
409 case NOTIFY_OP_REQUEST_LOCK:
410 out << "RequestLock";
412 case NOTIFY_OP_HEADER_UPDATE:
413 out << "HeaderUpdate";
415 case NOTIFY_OP_ASYNC_PROGRESS:
416 out << "AsyncProgress";
418 case NOTIFY_OP_ASYNC_COMPLETE:
419 out << "AsyncComplete";
421 case NOTIFY_OP_FLATTEN:
424 case NOTIFY_OP_RESIZE:
427 case NOTIFY_OP_SNAP_CREATE:
430 case NOTIFY_OP_SNAP_REMOVE:
433 case NOTIFY_OP_SNAP_RENAME:
436 case NOTIFY_OP_SNAP_PROTECT:
437 out << "SnapProtect";
439 case NOTIFY_OP_SNAP_UNPROTECT:
440 out << "SnapUnprotect";
442 case NOTIFY_OP_REBUILD_OBJECT_MAP:
443 out << "RebuildObjectMap";
445 case NOTIFY_OP_RENAME:
448 case NOTIFY_OP_UPDATE_FEATURES:
449 out << "UpdateFeatures";
452 out << "Unknown (" << static_cast<uint32_t>(op) << ")";
458 std::ostream &operator<<(std::ostream &out,
459 const librbd::watch_notify::AsyncRequestId &request) {
460 out << "[" << request.client_id.gid << "," << request.client_id.handle << ","
461 << request.request_id << "]";