mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-18 21:51:57 +00:00
Add processLocal for read requests
This commit is contained in:
parent
7f6fa9fe83
commit
ad7226e151
@ -357,7 +357,7 @@ void KeeperStateMachine::processReadRequest(const KeeperStorage::RequestForSessi
|
||||
{
|
||||
/// Pure local request, just process it with storage
|
||||
std::lock_guard lock(storage_and_responses_lock);
|
||||
auto responses = storage->processRequest(request_for_session.request, request_for_session.session_id, request_for_session.time, std::nullopt);
|
||||
auto responses = storage->processRequest(request_for_session.request, request_for_session.session_id, request_for_session.time, std::nullopt, true /*check_acl*/, true /*is_local*/);
|
||||
for (const auto & response : responses)
|
||||
if (!responses_queue.push(response))
|
||||
throw Exception(ErrorCodes::SYSTEM_ERROR, "Could not push response with session id {} into responses queue", response.session_id);
|
||||
|
@ -446,6 +446,14 @@ struct KeeperStorageRequestProcessor
|
||||
{
|
||||
return {};
|
||||
}
|
||||
|
||||
// process the request using locally committed data
|
||||
virtual Coordination::ZooKeeperResponsePtr
|
||||
processLocal(KeeperStorage & /*storage*/, int64_t /*zxid*/, int64_t /*session_id*/, int64_t /*time*/) const
|
||||
{
|
||||
throw Exception{DB::ErrorCodes::LOGICAL_ERROR, "Cannot process the request locally"};
|
||||
}
|
||||
|
||||
virtual KeeperStorage::ResponsesForSessions
|
||||
processWatches(KeeperStorage::Watches & /*watches*/, KeeperStorage::Watches & /*list_watches*/) const
|
||||
{
|
||||
@ -499,11 +507,11 @@ struct KeeperStorageCreateRequestProcessor final : public KeeperStorageRequestPr
|
||||
auto path = zk_request->getPath();
|
||||
auto parent_path = parentPath(path);
|
||||
|
||||
auto it = container.find(parent_path);
|
||||
if (it == container.end())
|
||||
auto node_it = container.find(parent_path);
|
||||
if (node_it == container.end())
|
||||
return true;
|
||||
|
||||
const auto & node_acls = storage.acl_map.convertNumber(it->value.acl_id);
|
||||
const auto & node_acls = storage.acl_map.convertNumber(node_it->value.acl_id);
|
||||
if (node_acls.empty())
|
||||
return true;
|
||||
|
||||
@ -587,8 +595,7 @@ struct KeeperStorageCreateRequestProcessor final : public KeeperStorageRequestPr
|
||||
Coordination::ZooKeeperResponsePtr response_ptr = zk_request->makeResponse();
|
||||
Coordination::ZooKeeperCreateResponse & response = dynamic_cast<Coordination::ZooKeeperCreateResponse &>(*response_ptr);
|
||||
|
||||
auto result = storage.commit(zxid, session_id);
|
||||
if (result != Coordination::Error::ZOK)
|
||||
if (const auto result = storage.commit(zxid, session_id); result != Coordination::Error::ZOK)
|
||||
{
|
||||
response.error = result;
|
||||
return response_ptr;
|
||||
@ -615,11 +622,11 @@ struct KeeperStorageGetRequestProcessor final : public KeeperStorageRequestProce
|
||||
bool checkAuth(KeeperStorage & storage, int64_t session_id) const override
|
||||
{
|
||||
auto & container = storage.container;
|
||||
auto it = container.find(zk_request->getPath());
|
||||
if (it == container.end())
|
||||
auto node_it = container.find(zk_request->getPath());
|
||||
if (node_it == container.end())
|
||||
return true;
|
||||
|
||||
const auto & node_acls = storage.acl_map.convertNumber(it->value.acl_id);
|
||||
const auto & node_acls = storage.acl_map.convertNumber(node_it->value.acl_id);
|
||||
if (node_acls.empty())
|
||||
return true;
|
||||
|
||||
@ -640,28 +647,56 @@ struct KeeperStorageGetRequestProcessor final : public KeeperStorageRequestProce
|
||||
return {};
|
||||
}
|
||||
|
||||
Coordination::ZooKeeperResponsePtr
|
||||
process(KeeperStorage & storage, int64_t /*zxid*/, int64_t /*session_id*/, int64_t /* time */) const override
|
||||
template <bool local>
|
||||
Coordination::ZooKeeperResponsePtr processImpl(KeeperStorage & storage, int64_t zxid, int64_t session_id, int64_t /* time */) const
|
||||
{
|
||||
auto & container = storage.container;
|
||||
Coordination::ZooKeeperResponsePtr response_ptr = zk_request->makeResponse();
|
||||
Coordination::ZooKeeperGetResponse & response = dynamic_cast<Coordination::ZooKeeperGetResponse &>(*response_ptr);
|
||||
Coordination::ZooKeeperGetRequest & request = dynamic_cast<Coordination::ZooKeeperGetRequest &>(*zk_request);
|
||||
|
||||
auto it = container.find(request.path);
|
||||
if (it == container.end())
|
||||
if constexpr (local)
|
||||
{
|
||||
response.error = Coordination::Error::ZNONODE;
|
||||
if (const auto result = storage.commit(zxid, session_id); result != Coordination::Error::ZOK)
|
||||
{
|
||||
response.error = result;
|
||||
return response_ptr;
|
||||
}
|
||||
}
|
||||
|
||||
const auto on_error = [&]([[maybe_unused]] const auto error_code)
|
||||
{
|
||||
if constexpr (local)
|
||||
response.error = error_code;
|
||||
else
|
||||
fail();
|
||||
};
|
||||
|
||||
auto & container = storage.container;
|
||||
auto node_it = container.find(request.path);
|
||||
if (node_it == container.end())
|
||||
{
|
||||
on_error(Coordination::Error::ZNONODE);
|
||||
}
|
||||
else
|
||||
{
|
||||
response.stat = it->value.stat;
|
||||
response.data = it->value.getData();
|
||||
response.stat = node_it->value.stat;
|
||||
response.data = node_it->value.getData();
|
||||
response.error = Coordination::Error::ZOK;
|
||||
}
|
||||
|
||||
return response_ptr;
|
||||
}
|
||||
|
||||
|
||||
Coordination::ZooKeeperResponsePtr process(KeeperStorage & storage, int64_t zxid, int64_t session_id, int64_t time) const override
|
||||
{
|
||||
return processImpl<false>(storage, zxid, session_id, time);
|
||||
}
|
||||
|
||||
Coordination::ZooKeeperResponsePtr processLocal(KeeperStorage & storage, int64_t zxid, int64_t session_id, int64_t time) const override
|
||||
{
|
||||
return processImpl<true>(storage, zxid, session_id, time);
|
||||
}
|
||||
};
|
||||
|
||||
struct KeeperStorageRemoveRequestProcessor final : public KeeperStorageRequestProcessor
|
||||
@ -669,11 +704,11 @@ struct KeeperStorageRemoveRequestProcessor final : public KeeperStorageRequestPr
|
||||
bool checkAuth(KeeperStorage & storage, int64_t session_id) const override
|
||||
{
|
||||
auto & container = storage.container;
|
||||
auto it = container.find(parentPath(zk_request->getPath()));
|
||||
if (it == container.end())
|
||||
auto node_it = container.find(parentPath(zk_request->getPath()));
|
||||
if (node_it == container.end())
|
||||
return true;
|
||||
|
||||
const auto & node_acls = storage.acl_map.convertNumber(it->value.acl_id);
|
||||
const auto & node_acls = storage.acl_map.convertNumber(node_it->value.acl_id);
|
||||
if (node_acls.empty())
|
||||
return true;
|
||||
|
||||
@ -740,13 +775,7 @@ struct KeeperStorageRemoveRequestProcessor final : public KeeperStorageRequestPr
|
||||
Coordination::ZooKeeperResponsePtr response_ptr = zk_request->makeResponse();
|
||||
Coordination::ZooKeeperRemoveResponse & response = dynamic_cast<Coordination::ZooKeeperRemoveResponse &>(*response_ptr);
|
||||
|
||||
auto result = storage.commit(zxid, session_id);
|
||||
if (result != Coordination::Error::ZOK)
|
||||
{
|
||||
response.error = result;
|
||||
return response_ptr;
|
||||
}
|
||||
|
||||
response.error = storage.commit(zxid, session_id);
|
||||
return response_ptr;
|
||||
}
|
||||
|
||||
@ -772,28 +801,54 @@ struct KeeperStorageExistsRequestProcessor final : public KeeperStorageRequestPr
|
||||
return {};
|
||||
}
|
||||
|
||||
Coordination::ZooKeeperResponsePtr
|
||||
process(KeeperStorage & storage, int64_t /*zxid*/, int64_t /* session_id */, int64_t /* time */) const override
|
||||
template <bool local>
|
||||
Coordination::ZooKeeperResponsePtr processImpl(KeeperStorage & storage, int64_t zxid, int64_t session_id, int64_t /* time */) const
|
||||
{
|
||||
auto & container = storage.container;
|
||||
|
||||
Coordination::ZooKeeperResponsePtr response_ptr = zk_request->makeResponse();
|
||||
Coordination::ZooKeeperExistsResponse & response = dynamic_cast<Coordination::ZooKeeperExistsResponse &>(*response_ptr);
|
||||
Coordination::ZooKeeperExistsRequest & request = dynamic_cast<Coordination::ZooKeeperExistsRequest &>(*zk_request);
|
||||
|
||||
auto it = container.find(request.path);
|
||||
if (it != container.end())
|
||||
if constexpr (local)
|
||||
{
|
||||
response.stat = it->value.stat;
|
||||
response.error = Coordination::Error::ZOK;
|
||||
if (const auto result = storage.commit(zxid, session_id); result != Coordination::Error::ZOK)
|
||||
{
|
||||
response.error = result;
|
||||
return response_ptr;
|
||||
}
|
||||
}
|
||||
|
||||
const auto on_error = [&]([[maybe_unused]] const auto error_code)
|
||||
{
|
||||
if constexpr (local)
|
||||
response.error = error_code;
|
||||
else
|
||||
fail();
|
||||
};
|
||||
|
||||
auto & container = storage.container;
|
||||
auto node_it = container.find(request.path);
|
||||
if (node_it == container.end())
|
||||
{
|
||||
on_error(Coordination::Error::ZNONODE);
|
||||
}
|
||||
else
|
||||
{
|
||||
response.error = Coordination::Error::ZNONODE;
|
||||
response.stat = node_it->value.stat;
|
||||
response.error = Coordination::Error::ZOK;
|
||||
}
|
||||
|
||||
return response_ptr;
|
||||
}
|
||||
|
||||
Coordination::ZooKeeperResponsePtr process(KeeperStorage & storage, int64_t zxid, int64_t session_id, int64_t time) const override
|
||||
{
|
||||
return processImpl<false>(storage, zxid, session_id, time);
|
||||
}
|
||||
|
||||
Coordination::ZooKeeperResponsePtr processLocal(KeeperStorage & storage, int64_t zxid, int64_t session_id, int64_t time) const override
|
||||
{
|
||||
return processImpl<true>(storage, zxid, session_id, time);
|
||||
}
|
||||
};
|
||||
|
||||
struct KeeperStorageSetRequestProcessor final : public KeeperStorageRequestProcessor
|
||||
@ -801,11 +856,11 @@ struct KeeperStorageSetRequestProcessor final : public KeeperStorageRequestProce
|
||||
bool checkAuth(KeeperStorage & storage, int64_t session_id) const override
|
||||
{
|
||||
auto & container = storage.container;
|
||||
auto it = container.find(zk_request->getPath());
|
||||
if (it == container.end())
|
||||
auto node_it = container.find(zk_request->getPath());
|
||||
if (node_it == container.end())
|
||||
return true;
|
||||
|
||||
const auto & node_acls = storage.acl_map.convertNumber(it->value.acl_id);
|
||||
const auto & node_acls = storage.acl_map.convertNumber(node_it->value.acl_id);
|
||||
if (node_acls.empty())
|
||||
return true;
|
||||
|
||||
@ -857,18 +912,17 @@ struct KeeperStorageSetRequestProcessor final : public KeeperStorageRequestProce
|
||||
Coordination::ZooKeeperSetResponse & response = dynamic_cast<Coordination::ZooKeeperSetResponse &>(*response_ptr);
|
||||
Coordination::ZooKeeperSetRequest & request = dynamic_cast<Coordination::ZooKeeperSetRequest &>(*zk_request);
|
||||
|
||||
auto result = storage.commit(zxid, session_id);
|
||||
if (result != Coordination::Error::ZOK)
|
||||
if (const auto result = storage.commit(zxid, session_id); result != Coordination::Error::ZOK)
|
||||
{
|
||||
response.error = result;
|
||||
return response_ptr;
|
||||
}
|
||||
|
||||
auto it = container.find(request.path);
|
||||
if (it == container.end())
|
||||
auto node_it = container.find(request.path);
|
||||
if (node_it == container.end())
|
||||
fail();
|
||||
|
||||
response.stat = it->value.stat;
|
||||
response.stat = node_it->value.stat;
|
||||
response.error = Coordination::Error::ZOK;
|
||||
|
||||
return response_ptr;
|
||||
@ -886,11 +940,11 @@ struct KeeperStorageListRequestProcessor final : public KeeperStorageRequestProc
|
||||
bool checkAuth(KeeperStorage & storage, int64_t session_id) const override
|
||||
{
|
||||
auto & container = storage.container;
|
||||
auto it = container.find(zk_request->getPath());
|
||||
if (it == container.end())
|
||||
auto node_it = container.find(zk_request->getPath());
|
||||
if (node_it == container.end())
|
||||
return true;
|
||||
|
||||
const auto & node_acls = storage.acl_map.convertNumber(it->value.acl_id);
|
||||
const auto & node_acls = storage.acl_map.convertNumber(node_it->value.acl_id);
|
||||
if (node_acls.empty())
|
||||
return true;
|
||||
|
||||
@ -910,18 +964,36 @@ struct KeeperStorageListRequestProcessor final : public KeeperStorageRequestProc
|
||||
return {};
|
||||
}
|
||||
|
||||
Coordination::ZooKeeperResponsePtr
|
||||
process(KeeperStorage & storage, int64_t /*zxid*/, int64_t /*session_id*/, int64_t /* time */) const override
|
||||
|
||||
template <bool local>
|
||||
Coordination::ZooKeeperResponsePtr processImpl(KeeperStorage & storage, int64_t zxid, int64_t session_id, int64_t /* time */) const
|
||||
{
|
||||
auto & container = storage.container;
|
||||
Coordination::ZooKeeperResponsePtr response_ptr = zk_request->makeResponse();
|
||||
Coordination::ZooKeeperListResponse & response = dynamic_cast<Coordination::ZooKeeperListResponse &>(*response_ptr);
|
||||
Coordination::ZooKeeperListRequest & request = dynamic_cast<Coordination::ZooKeeperListRequest &>(*zk_request);
|
||||
|
||||
auto it = container.find(request.path);
|
||||
if (it == container.end())
|
||||
if constexpr (local)
|
||||
{
|
||||
response.error = Coordination::Error::ZNONODE;
|
||||
if (const auto result = storage.commit(zxid, session_id); result != Coordination::Error::ZOK)
|
||||
{
|
||||
response.error = result;
|
||||
return response_ptr;
|
||||
}
|
||||
}
|
||||
|
||||
const auto on_error = [&]([[maybe_unused]] const auto error_code)
|
||||
{
|
||||
if constexpr (local)
|
||||
response.error = error_code;
|
||||
else
|
||||
fail();
|
||||
};
|
||||
|
||||
auto & container = storage.container;
|
||||
auto node_it = container.find(request.path);
|
||||
if (node_it == container.end())
|
||||
{
|
||||
on_error(Coordination::Error::ZNONODE);
|
||||
}
|
||||
else
|
||||
{
|
||||
@ -929,18 +1001,28 @@ struct KeeperStorageListRequestProcessor final : public KeeperStorageRequestProc
|
||||
if (path_prefix.empty())
|
||||
throw DB::Exception("Logical error: path cannot be empty", ErrorCodes::LOGICAL_ERROR);
|
||||
|
||||
const auto & children = it->value.getChildren();
|
||||
const auto & children = node_it->value.getChildren();
|
||||
response.names.reserve(children.size());
|
||||
|
||||
for (const auto child : children)
|
||||
response.names.push_back(child.toString());
|
||||
|
||||
response.stat = it->value.stat;
|
||||
response.stat = node_it->value.stat;
|
||||
response.error = Coordination::Error::ZOK;
|
||||
}
|
||||
|
||||
return response_ptr;
|
||||
}
|
||||
|
||||
Coordination::ZooKeeperResponsePtr process(KeeperStorage & storage, int64_t zxid, int64_t session_id, int64_t time) const override
|
||||
{
|
||||
return processImpl<false>(storage, zxid, session_id, time);
|
||||
}
|
||||
|
||||
Coordination::ZooKeeperResponsePtr processLocal(KeeperStorage & storage, int64_t zxid, int64_t session_id, int64_t time) const override
|
||||
{
|
||||
return processImpl<true>(storage, zxid, session_id, time);
|
||||
}
|
||||
};
|
||||
|
||||
struct KeeperStorageCheckRequestProcessor final : public KeeperStorageRequestProcessor
|
||||
@ -948,11 +1030,11 @@ struct KeeperStorageCheckRequestProcessor final : public KeeperStorageRequestPro
|
||||
bool checkAuth(KeeperStorage & storage, int64_t session_id) const override
|
||||
{
|
||||
auto & container = storage.container;
|
||||
auto it = container.find(zk_request->getPath());
|
||||
if (it == container.end())
|
||||
auto node_it = container.find(zk_request->getPath());
|
||||
if (node_it == container.end())
|
||||
return true;
|
||||
|
||||
const auto & node_acls = storage.acl_map.convertNumber(it->value.acl_id);
|
||||
const auto & node_acls = storage.acl_map.convertNumber(node_it->value.acl_id);
|
||||
if (node_acls.empty())
|
||||
return true;
|
||||
|
||||
@ -976,22 +1058,39 @@ struct KeeperStorageCheckRequestProcessor final : public KeeperStorageRequestPro
|
||||
return {};
|
||||
}
|
||||
|
||||
Coordination::ZooKeeperResponsePtr
|
||||
process(KeeperStorage & storage, int64_t /*zxid*/, int64_t /*session_id*/, int64_t /* time */) const override
|
||||
template <bool local>
|
||||
Coordination::ZooKeeperResponsePtr processImpl(KeeperStorage & storage, int64_t zxid, int64_t session_id, int64_t /* time */) const
|
||||
{
|
||||
auto & container = storage.container;
|
||||
|
||||
Coordination::ZooKeeperResponsePtr response_ptr = zk_request->makeResponse();
|
||||
Coordination::ZooKeeperCheckResponse & response = dynamic_cast<Coordination::ZooKeeperCheckResponse &>(*response_ptr);
|
||||
Coordination::ZooKeeperCheckRequest & request = dynamic_cast<Coordination::ZooKeeperCheckRequest &>(*zk_request);
|
||||
auto it = container.find(request.path);
|
||||
if (it == container.end())
|
||||
|
||||
if constexpr (local)
|
||||
{
|
||||
response.error = Coordination::Error::ZNONODE;
|
||||
if (const auto result = storage.commit(zxid, session_id); result != Coordination::Error::ZOK)
|
||||
{
|
||||
response.error = result;
|
||||
return response_ptr;
|
||||
}
|
||||
else if (request.version != -1 && request.version != it->value.stat.version)
|
||||
}
|
||||
|
||||
const auto on_error = [&]([[maybe_unused]] const auto error_code)
|
||||
{
|
||||
response.error = Coordination::Error::ZBADVERSION;
|
||||
if constexpr (local)
|
||||
response.error = error_code;
|
||||
else
|
||||
fail();
|
||||
};
|
||||
|
||||
auto & container = storage.container;
|
||||
auto node_it = container.find(request.path);
|
||||
if (node_it == container.end())
|
||||
{
|
||||
on_error(Coordination::Error::ZNONODE);
|
||||
}
|
||||
else if (request.version != -1 && request.version != node_it->value.stat.version)
|
||||
{
|
||||
on_error(Coordination::Error::ZBADVERSION);
|
||||
}
|
||||
else
|
||||
{
|
||||
@ -1000,6 +1099,16 @@ struct KeeperStorageCheckRequestProcessor final : public KeeperStorageRequestPro
|
||||
|
||||
return response_ptr;
|
||||
}
|
||||
|
||||
Coordination::ZooKeeperResponsePtr process(KeeperStorage & storage, int64_t zxid, int64_t session_id, int64_t time) const override
|
||||
{
|
||||
return processImpl<false>(storage, zxid, session_id, time);
|
||||
}
|
||||
|
||||
Coordination::ZooKeeperResponsePtr processLocal(KeeperStorage & storage, int64_t zxid, int64_t session_id, int64_t time) const override
|
||||
{
|
||||
return processImpl<true>(storage, zxid, session_id, time);
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
@ -1008,11 +1117,11 @@ struct KeeperStorageSetACLRequestProcessor final : public KeeperStorageRequestPr
|
||||
bool checkAuth(KeeperStorage & storage, int64_t session_id) const override
|
||||
{
|
||||
auto & container = storage.container;
|
||||
auto it = container.find(zk_request->getPath());
|
||||
if (it == container.end())
|
||||
auto node_it = container.find(zk_request->getPath());
|
||||
if (node_it == container.end())
|
||||
return true;
|
||||
|
||||
const auto & node_acls = storage.acl_map.convertNumber(it->value.acl_id);
|
||||
const auto & node_acls = storage.acl_map.convertNumber(node_it->value.acl_id);
|
||||
if (node_acls.empty())
|
||||
return true;
|
||||
|
||||
@ -1053,17 +1162,16 @@ struct KeeperStorageSetACLRequestProcessor final : public KeeperStorageRequestPr
|
||||
Coordination::ZooKeeperSetACLResponse & response = dynamic_cast<Coordination::ZooKeeperSetACLResponse &>(*response_ptr);
|
||||
Coordination::ZooKeeperSetACLRequest & request = dynamic_cast<Coordination::ZooKeeperSetACLRequest &>(*zk_request);
|
||||
|
||||
auto result = storage.commit(zxid, session_id);
|
||||
if (result != Coordination::Error::ZOK)
|
||||
if (const auto result = storage.commit(zxid, session_id); result != Coordination::Error::ZOK)
|
||||
{
|
||||
response.error = result;
|
||||
return response_ptr;
|
||||
}
|
||||
|
||||
auto it = storage.container.find(request.path);
|
||||
if (it == storage.container.end())
|
||||
auto node_it = storage.container.find(request.path);
|
||||
if (node_it == storage.container.end())
|
||||
fail();
|
||||
response.stat = it->value.stat;
|
||||
response.stat = node_it->value.stat;
|
||||
response.error = Coordination::Error::ZOK;
|
||||
|
||||
return response_ptr;
|
||||
@ -1075,11 +1183,11 @@ struct KeeperStorageGetACLRequestProcessor final : public KeeperStorageRequestPr
|
||||
bool checkAuth(KeeperStorage & storage, int64_t session_id) const override
|
||||
{
|
||||
auto & container = storage.container;
|
||||
auto it = container.find(zk_request->getPath());
|
||||
if (it == container.end())
|
||||
auto node_it = container.find(zk_request->getPath());
|
||||
if (node_it == container.end())
|
||||
return true;
|
||||
|
||||
const auto & node_acls = storage.acl_map.convertNumber(it->value.acl_id);
|
||||
const auto & node_acls = storage.acl_map.convertNumber(node_it->value.acl_id);
|
||||
if (node_acls.empty())
|
||||
return true;
|
||||
|
||||
@ -1100,26 +1208,54 @@ struct KeeperStorageGetACLRequestProcessor final : public KeeperStorageRequestPr
|
||||
return {};
|
||||
}
|
||||
|
||||
Coordination::ZooKeeperResponsePtr
|
||||
process(KeeperStorage & storage, int64_t /*zxid*/, int64_t /*session_id*/, int64_t /* time */) const override
|
||||
template <bool local>
|
||||
Coordination::ZooKeeperResponsePtr processImpl(KeeperStorage & storage, int64_t zxid, int64_t session_id, int64_t /* time */) const
|
||||
{
|
||||
Coordination::ZooKeeperResponsePtr response_ptr = zk_request->makeResponse();
|
||||
Coordination::ZooKeeperGetACLResponse & response = dynamic_cast<Coordination::ZooKeeperGetACLResponse &>(*response_ptr);
|
||||
Coordination::ZooKeeperGetACLRequest & request = dynamic_cast<Coordination::ZooKeeperGetACLRequest &>(*zk_request);
|
||||
auto & container = storage.container;
|
||||
auto it = container.find(request.path);
|
||||
if (it == container.end())
|
||||
|
||||
if constexpr (local)
|
||||
{
|
||||
response.error = Coordination::Error::ZNONODE;
|
||||
if (const auto result = storage.commit(zxid, session_id); result != Coordination::Error::ZOK)
|
||||
{
|
||||
response.error = result;
|
||||
return response_ptr;
|
||||
}
|
||||
}
|
||||
|
||||
const auto on_error = [&]([[maybe_unused]] const auto error_code)
|
||||
{
|
||||
if constexpr (local)
|
||||
response.error = error_code;
|
||||
else
|
||||
fail();
|
||||
};
|
||||
|
||||
auto & container = storage.container;
|
||||
auto node_it = container.find(request.path);
|
||||
if (node_it == container.end())
|
||||
{
|
||||
on_error(Coordination::Error::ZNONODE);
|
||||
}
|
||||
else
|
||||
{
|
||||
response.stat = it->value.stat;
|
||||
response.acl = storage.acl_map.convertNumber(it->value.acl_id);
|
||||
response.stat = node_it->value.stat;
|
||||
response.acl = storage.acl_map.convertNumber(node_it->value.acl_id);
|
||||
}
|
||||
|
||||
return response_ptr;
|
||||
}
|
||||
|
||||
Coordination::ZooKeeperResponsePtr process(KeeperStorage & storage, int64_t zxid, int64_t session_id, int64_t time) const override
|
||||
{
|
||||
return processImpl<false>(storage, zxid, session_id, time);
|
||||
}
|
||||
|
||||
Coordination::ZooKeeperResponsePtr processLocal(KeeperStorage & storage, int64_t zxid, int64_t session_id, int64_t time) const override
|
||||
{
|
||||
return processImpl<true>(storage, zxid, session_id, time);
|
||||
}
|
||||
};
|
||||
|
||||
struct KeeperStorageMultiRequestProcessor final : public KeeperStorageRequestProcessor
|
||||
@ -1165,6 +1301,7 @@ struct KeeperStorageMultiRequestProcessor final : public KeeperStorageRequestPro
|
||||
|
||||
std::vector<KeeperStorage::Delta> preprocess(KeeperStorage & storage, int64_t zxid, int64_t session_id, int64_t time) const override
|
||||
{
|
||||
// manually add deltas so that the result of previous request in the transaction is used in the next request
|
||||
auto & saved_deltas = storage.current_nodes.deltas;
|
||||
|
||||
std::vector<Coordination::Error> response_errors;
|
||||
@ -1211,10 +1348,9 @@ struct KeeperStorageMultiRequestProcessor final : public KeeperStorageRequestPro
|
||||
return response_ptr;
|
||||
}
|
||||
|
||||
size_t i = 0;
|
||||
for (const auto & concrete_request : concrete_requests)
|
||||
for (size_t i = 0; i < concrete_requests.size(); ++i)
|
||||
{
|
||||
auto cur_response = concrete_request->process(storage, zxid, session_id, time);
|
||||
auto cur_response = concrete_requests[i]->process(storage, zxid, session_id, time);
|
||||
|
||||
while (!deltas.empty())
|
||||
{
|
||||
@ -1228,8 +1364,39 @@ struct KeeperStorageMultiRequestProcessor final : public KeeperStorageRequestPro
|
||||
}
|
||||
|
||||
response.responses[i] = cur_response;
|
||||
}
|
||||
|
||||
++i;
|
||||
response.error = Coordination::Error::ZOK;
|
||||
return response_ptr;
|
||||
}
|
||||
|
||||
Coordination::ZooKeeperResponsePtr processLocal(KeeperStorage & storage, int64_t zxid, int64_t session_id, int64_t time) const override
|
||||
{
|
||||
Coordination::ZooKeeperResponsePtr response_ptr = zk_request->makeResponse();
|
||||
Coordination::ZooKeeperMultiResponse & response = dynamic_cast<Coordination::ZooKeeperMultiResponse &>(*response_ptr);
|
||||
|
||||
for (size_t i = 0; i < concrete_requests.size(); ++i)
|
||||
{
|
||||
auto cur_response = concrete_requests[i]->process(storage, zxid, session_id, time);
|
||||
|
||||
response.responses[i] = cur_response;
|
||||
if (cur_response->error != Coordination::Error::ZOK)
|
||||
{
|
||||
for (size_t j = 0; j <= i; ++j)
|
||||
{
|
||||
auto response_error = response.responses[j]->error;
|
||||
response.responses[j] = std::make_shared<Coordination::ZooKeeperErrorResponse>();
|
||||
response.responses[j]->error = response_error;
|
||||
}
|
||||
|
||||
for (size_t j = i + 1; j < response.responses.size(); ++j)
|
||||
{
|
||||
response.responses[j] = std::make_shared<Coordination::ZooKeeperErrorResponse>();
|
||||
response.responses[j]->error = Coordination::Error::ZRUNTIMEINCONSISTENCY;
|
||||
}
|
||||
|
||||
return response_ptr;
|
||||
}
|
||||
}
|
||||
|
||||
response.error = Coordination::Error::ZOK;
|
||||
@ -1389,7 +1556,8 @@ KeeperStorage::ResponsesForSessions KeeperStorage::processRequest(
|
||||
int64_t session_id,
|
||||
int64_t time,
|
||||
std::optional<int64_t> new_last_zxid,
|
||||
bool check_acl)
|
||||
bool check_acl,
|
||||
bool is_local)
|
||||
{
|
||||
KeeperStorage::ResponsesForSessions results;
|
||||
if (new_last_zxid)
|
||||
@ -1462,7 +1630,11 @@ KeeperStorage::ResponsesForSessions KeeperStorage::processRequest(
|
||||
}
|
||||
else
|
||||
{
|
||||
if (is_local)
|
||||
response = request_processor->processLocal(*this, zxid, session_id, time);
|
||||
else
|
||||
response = request_processor->process(*this, zxid, session_id, time);
|
||||
|
||||
std::erase_if(current_nodes.deltas, [this](const auto & delta) { return delta.zxid == zxid; });
|
||||
}
|
||||
|
||||
|
@ -1,14 +1,14 @@
|
||||
#pragma once
|
||||
|
||||
#include <Common/ZooKeeper/IKeeper.h>
|
||||
#include <Common/ConcurrentBoundedQueue.h>
|
||||
#include <Common/ZooKeeper/ZooKeeperCommon.h>
|
||||
#include <Coordination/SessionExpiryQueue.h>
|
||||
#include <Coordination/ACLMap.h>
|
||||
#include <Coordination/SnapshotableHashTable.h>
|
||||
#include <IO/WriteBufferFromString.h>
|
||||
#include <unordered_map>
|
||||
#include <vector>
|
||||
#include <Coordination/ACLMap.h>
|
||||
#include <Coordination/SessionExpiryQueue.h>
|
||||
#include <Coordination/SnapshotableHashTable.h>
|
||||
#include <IO/WriteBufferFromString.h>
|
||||
#include <Common/ConcurrentBoundedQueue.h>
|
||||
#include <Common/ZooKeeper/IKeeper.h>
|
||||
#include <Common/ZooKeeper/ZooKeeperCommon.h>
|
||||
|
||||
#include <absl/container/flat_hash_set.h>
|
||||
|
||||
@ -29,7 +29,6 @@ struct KeeperStorageSnapshot;
|
||||
class KeeperStorage
|
||||
{
|
||||
public:
|
||||
|
||||
struct Node
|
||||
{
|
||||
uint64_t acl_id = 0; /// 0 -- no ACL by default
|
||||
@ -41,26 +40,18 @@ public:
|
||||
Node() : size_bytes(sizeof(Node)) { }
|
||||
|
||||
/// Object memory size
|
||||
uint64_t sizeInBytes() const
|
||||
{
|
||||
return size_bytes;
|
||||
}
|
||||
uint64_t sizeInBytes() const { return size_bytes; }
|
||||
|
||||
void setData(String new_data);
|
||||
|
||||
const auto & getData() const noexcept
|
||||
{
|
||||
return data;
|
||||
}
|
||||
const auto & getData() const noexcept { return data; }
|
||||
|
||||
void addChild(StringRef child_path);
|
||||
|
||||
void removeChild(StringRef child_path);
|
||||
|
||||
const auto & getChildren() const noexcept
|
||||
{
|
||||
return children;
|
||||
}
|
||||
const auto & getChildren() const noexcept { return children; }
|
||||
|
||||
private:
|
||||
String data;
|
||||
ChildrenSet children{};
|
||||
@ -85,10 +76,7 @@ public:
|
||||
std::string scheme;
|
||||
std::string id;
|
||||
|
||||
bool operator==(const AuthID & other) const
|
||||
{
|
||||
return scheme == other.scheme && id == other.id;
|
||||
}
|
||||
bool operator==(const AuthID & other) const { return scheme == other.scheme && id == other.id; }
|
||||
};
|
||||
|
||||
using RequestsForSessions = std::vector<RequestForSession>;
|
||||
@ -152,27 +140,18 @@ public:
|
||||
{
|
||||
};
|
||||
|
||||
using Operation = std::variant<CreateNodeDelta, RemoveNodeDelta, UpdateNodeDelta, SetACLDelta, ErrorDelta, SubDeltaEnd, FailedMultiDelta>;
|
||||
using Operation
|
||||
= std::variant<CreateNodeDelta, RemoveNodeDelta, UpdateNodeDelta, SetACLDelta, ErrorDelta, SubDeltaEnd, FailedMultiDelta>;
|
||||
|
||||
struct Delta
|
||||
{
|
||||
Delta(String path_, int64_t zxid_, Operation operation_)
|
||||
: path(std::move(path_))
|
||||
, zxid(zxid_)
|
||||
, operation(std::move(operation_))
|
||||
{}
|
||||
Delta(String path_, int64_t zxid_, Operation operation_) : path(std::move(path_)), zxid(zxid_), operation(std::move(operation_)) { }
|
||||
|
||||
Delta(int64_t zxid_, Coordination::Error error)
|
||||
: Delta("", zxid_, ErrorDelta{error})
|
||||
{}
|
||||
Delta(int64_t zxid_, Coordination::Error error) : Delta("", zxid_, ErrorDelta{error}) { }
|
||||
|
||||
Delta(int64_t zxid_, SubDeltaEnd subdelta)
|
||||
: Delta("", zxid_, subdelta)
|
||||
{}
|
||||
Delta(int64_t zxid_, SubDeltaEnd subdelta) : Delta("", zxid_, subdelta) { }
|
||||
|
||||
Delta(int64_t zxid_, FailedMultiDelta failed_multi)
|
||||
: Delta("", zxid_, failed_multi)
|
||||
{}
|
||||
Delta(int64_t zxid_, FailedMultiDelta failed_multi) : Delta("", zxid_, failed_multi) { }
|
||||
|
||||
String path;
|
||||
int64_t zxid;
|
||||
@ -206,7 +185,14 @@ public:
|
||||
|
||||
Coordination::Error commit(int64_t zxid, int64_t session_id);
|
||||
|
||||
bool createNode(const std::string & path, String data, const Coordination::Stat & stat, bool is_sequental, bool is_ephemeral, Coordination::ACLs node_acls, int64_t session_id);
|
||||
bool createNode(
|
||||
const std::string & path,
|
||||
String data,
|
||||
const Coordination::Stat & stat,
|
||||
bool is_sequental,
|
||||
bool is_ephemeral,
|
||||
Coordination::ACLs node_acls,
|
||||
int64_t session_id);
|
||||
bool removeNode(const std::string & path, int32_t version);
|
||||
|
||||
/// Mapping session_id -> set of ephemeral nodes paths
|
||||
@ -233,10 +219,7 @@ public:
|
||||
void clearDeadWatches(int64_t session_id);
|
||||
|
||||
/// Get current zxid
|
||||
int64_t getZXID() const
|
||||
{
|
||||
return zxid;
|
||||
}
|
||||
int64_t getZXID() const { return zxid; }
|
||||
|
||||
const String superdigest;
|
||||
|
||||
@ -260,7 +243,13 @@ public:
|
||||
|
||||
/// Process user request and return response.
|
||||
/// check_acl = false only when converting data from ZooKeeper.
|
||||
ResponsesForSessions processRequest(const Coordination::ZooKeeperRequestPtr & request, int64_t session_id, int64_t time, std::optional<int64_t> new_last_zxid, bool check_acl = true);
|
||||
ResponsesForSessions processRequest(
|
||||
const Coordination::ZooKeeperRequestPtr & request,
|
||||
int64_t session_id,
|
||||
int64_t time,
|
||||
std::optional<int64_t> new_last_zxid,
|
||||
bool check_acl = true,
|
||||
bool is_local = false);
|
||||
void preprocessRequest(const Coordination::ZooKeeperRequestPtr & request, int64_t session_id, int64_t time, int64_t new_last_zxid);
|
||||
|
||||
void finalize();
|
||||
@ -268,70 +257,37 @@ public:
|
||||
/// Set of methods for creating snapshots
|
||||
|
||||
/// Turn on snapshot mode, so data inside Container is not deleted, but replaced with new version.
|
||||
void enableSnapshotMode(size_t up_to_version)
|
||||
{
|
||||
container.enableSnapshotMode(up_to_version);
|
||||
}
|
||||
void enableSnapshotMode(size_t up_to_version) { container.enableSnapshotMode(up_to_version); }
|
||||
|
||||
/// Turn off snapshot mode.
|
||||
void disableSnapshotMode()
|
||||
{
|
||||
container.disableSnapshotMode();
|
||||
}
|
||||
void disableSnapshotMode() { container.disableSnapshotMode(); }
|
||||
|
||||
Container::const_iterator getSnapshotIteratorBegin() const
|
||||
{
|
||||
return container.begin();
|
||||
}
|
||||
Container::const_iterator getSnapshotIteratorBegin() const { return container.begin(); }
|
||||
|
||||
/// Clear outdated data from internal container.
|
||||
void clearGarbageAfterSnapshot()
|
||||
{
|
||||
container.clearOutdatedNodes();
|
||||
}
|
||||
void clearGarbageAfterSnapshot() { container.clearOutdatedNodes(); }
|
||||
|
||||
/// Get all active sessions
|
||||
const SessionAndTimeout & getActiveSessions() const
|
||||
{
|
||||
return session_and_timeout;
|
||||
}
|
||||
const SessionAndTimeout & getActiveSessions() const { return session_and_timeout; }
|
||||
|
||||
/// Get all dead sessions
|
||||
std::vector<int64_t> getDeadSessions() const
|
||||
{
|
||||
return session_expiry_queue.getExpiredSessions();
|
||||
}
|
||||
std::vector<int64_t> getDeadSessions() const { return session_expiry_queue.getExpiredSessions(); }
|
||||
|
||||
/// Introspection functions mostly used in 4-letter commands
|
||||
uint64_t getNodesCount() const
|
||||
{
|
||||
return container.size();
|
||||
}
|
||||
uint64_t getNodesCount() const { return container.size(); }
|
||||
|
||||
uint64_t getApproximateDataSize() const
|
||||
{
|
||||
return container.getApproximateDataSize();
|
||||
}
|
||||
uint64_t getApproximateDataSize() const { return container.getApproximateDataSize(); }
|
||||
|
||||
uint64_t getArenaDataSize() const
|
||||
{
|
||||
return container.keyArenaSize();
|
||||
}
|
||||
uint64_t getArenaDataSize() const { return container.keyArenaSize(); }
|
||||
|
||||
|
||||
uint64_t getTotalWatchesCount() const;
|
||||
|
||||
uint64_t getWatchedPathsCount() const
|
||||
{
|
||||
return watches.size() + list_watches.size();
|
||||
}
|
||||
uint64_t getWatchedPathsCount() const { return watches.size() + list_watches.size(); }
|
||||
|
||||
uint64_t getSessionsWithWatchesCount() const;
|
||||
|
||||
uint64_t getSessionWithEphemeralNodesCount() const
|
||||
{
|
||||
return ephemerals.size();
|
||||
}
|
||||
uint64_t getSessionWithEphemeralNodesCount() const { return ephemerals.size(); }
|
||||
uint64_t getTotalEphemeralNodesCount() const;
|
||||
|
||||
void dumpWatches(WriteBufferFromOwnString & buf) const;
|
||||
|
Loading…
Reference in New Issue
Block a user