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Diffstat (limited to 'qpid/cpp/include/qmf/Agent.h')
-rw-r--r-- | qpid/cpp/include/qmf/Agent.h | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/qpid/cpp/include/qmf/Agent.h b/qpid/cpp/include/qmf/Agent.h new file mode 100644 index 0000000000..94083be4f3 --- /dev/null +++ b/qpid/cpp/include/qmf/Agent.h @@ -0,0 +1,133 @@ +#ifndef QMF_AGENT_H +#define QMF_AGENT_H +/* + * + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + * + */ + +#include <qmf/ImportExport.h> +#include "qmf/Handle.h" +//#include "qmf/Subscription.h" +#include "qmf/exceptions.h" +#include "qpid/messaging/Duration.h" +#include "qpid/types/Variant.h" +#include <string> + +namespace qmf { + +#ifndef SWIG + template <class> class PrivateImplRef; +#endif + + class AgentImpl; + class ConsoleEvent; + class Query; + class DataAddr; + class SchemaId; + class Schema; + + class QMF_CLASS_EXTERN Agent : public qmf::Handle<AgentImpl> { + public: + QMF_EXTERN Agent(AgentImpl* impl = 0); + QMF_EXTERN Agent(const Agent&); + QMF_EXTERN Agent& operator=(const Agent&); + QMF_EXTERN ~Agent(); + + QMF_EXTERN std::string getName() const; + QMF_EXTERN uint32_t getEpoch() const; + QMF_EXTERN std::string getVendor() const; + QMF_EXTERN std::string getProduct() const; + QMF_EXTERN std::string getInstance() const; + QMF_EXTERN const qpid::types::Variant& getAttribute(const std::string&) const; + QMF_EXTERN const qpid::types::Variant::Map& getAttributes() const; + + QMF_EXTERN ConsoleEvent query(const Query&, qpid::messaging::Duration timeout=qpid::messaging::Duration::MINUTE); + QMF_EXTERN ConsoleEvent query(const std::string&, qpid::messaging::Duration timeout=qpid::messaging::Duration::MINUTE); + QMF_EXTERN uint32_t queryAsync(const Query&); + QMF_EXTERN uint32_t queryAsync(const std::string&); + + /** + * Create a subscription to this agent + */ + //QMF_EXTERN Subscription subscribe(const Query&, const std::string& options = ""); + //QMF_EXTERN Subscription subscribe(const std::string&, const std::string& options = ""); + + QMF_EXTERN ConsoleEvent callMethod(const std::string&, const qpid::types::Variant::Map&, const DataAddr&, + qpid::messaging::Duration timeout=qpid::messaging::Duration::MINUTE); + QMF_EXTERN uint32_t callMethodAsync(const std::string&, const qpid::types::Variant::Map&, const DataAddr&); + + /** + * Query the agent for a list of schema classes that it exposes. This operation comes in both + * synchronous (blocking) and asynchronous flavors. + * + * This method will typically be used after receiving an AGENT_SCHEMA_UPDATE event from the console session. + * It may also be used on a newly discovered agent to learn what schemata are exposed. + * + * querySchema returns a ConsoleEvent that contains a list of SchemaId objects exposed by the agent. + * This list is cached locally and can be locally queried using getPackage[Count] and getSchemaId[Count]. + */ + QMF_EXTERN ConsoleEvent querySchema(qpid::messaging::Duration timeout=qpid::messaging::Duration::MINUTE); + QMF_EXTERN uint32_t querySchemaAsync(); + + /** + * Get the list of schema packages exposed by the agent. + * + * getPackageCount returns the number of packages exposed. + * getPackage returns the name of the package by index (0..package-count) + * + * Note that both of these calls are synchronous and non-blocking. They only return locally cached data + * and will not send any messages to the remote agent. Use querySchema[Async] to get the latest schema + * information from the remote agent. + */ + QMF_EXTERN uint32_t getPackageCount() const; + QMF_EXTERN const std::string& getPackage(uint32_t) const; + + /** + * Get the list of schema identifiers for a particular package. + * + * getSchemaIdCount returns the number of IDs in the indicates package. + * getSchemaId returns the SchemaId by index (0..schema-id-count) + * + * Note that both of these calls are synchronous and non-blocking. They only return locally cached data + * and will not send any messages to the remote agent. Use querySchema[Async] to get the latest schema + * information from the remote agent. + */ + QMF_EXTERN uint32_t getSchemaIdCount(const std::string&) const; + QMF_EXTERN SchemaId getSchemaId(const std::string&, uint32_t) const; + + /** + * Get detailed schema information for a specified schema ID. + * + * This call will return cached information if it is available. If not, it will send a query message to the + * remote agent and block waiting for a response. The timeout argument specifies the maximum time to wait + * for a response from the agent. + */ + QMF_EXTERN Schema getSchema(const SchemaId&, qpid::messaging::Duration timeout=qpid::messaging::Duration::MINUTE); + + +#ifndef SWIG + private: + friend class qmf::PrivateImplRef<Agent>; + friend struct AgentImplAccess; +#endif + }; + +} + +#endif |