1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
|
#ifndef _qpid_agent_ManagementAgentImpl_
#define _qpid_agent_ManagementAgentImpl_
//
// 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 "qpid/agent/ManagementAgent.h"
#include "qpid/client/Connection.h"
#include "qpid/client/ConnectionSettings.h"
#include "qpid/client/SubscriptionManager.h"
#include "qpid/client/Session.h"
#include "qpid/client/AsyncSession.h"
#include "qpid/client/Message.h"
#include "qpid/client/MessageListener.h"
#include "qpid/sys/Thread.h"
#include "qpid/sys/Runnable.h"
#include "qpid/sys/Mutex.h"
#include "qpid/sys/PipeHandle.h"
#include "qpid/sys/Time.h"
#include "qpid/framing/Uuid.h"
#include <iostream>
#include <sstream>
#include <deque>
namespace qpid {
namespace management {
class ManagementAgentImpl : public ManagementAgent, public client::MessageListener
{
public:
ManagementAgentImpl();
virtual ~ManagementAgentImpl();
//
// Methods from ManagementAgent
//
int getMaxThreads() { return 1; }
void setName(const std::string& vendor,
const std::string& product,
const std::string& instance="");
void getName(std::string& vendor, std::string& product, std::string& instance);
const std::string& getAddress();
void init(const std::string& brokerHost = "localhost",
uint16_t brokerPort = 5672,
uint16_t intervalSeconds = 10,
bool useExternalThread = false,
const std::string& storeFile = "",
const std::string& uid = "guest",
const std::string& pwd = "guest",
const std::string& mech = "PLAIN",
const std::string& proto = "tcp");
void init(const management::ConnectionSettings& settings,
uint16_t intervalSeconds = 10,
bool useExternalThread = false,
const std::string& storeFile = "");
bool isConnected() { return connected; }
std::string& getLastFailure() { return lastFailure; }
void registerClass(const std::string& packageName,
const std::string& className,
uint8_t* md5Sum,
management::ManagementObject::writeSchemaCall_t schemaCall);
void registerEvent(const std::string& packageName,
const std::string& eventName,
uint8_t* md5Sum,
management::ManagementObject::writeSchemaCall_t schemaCall);
ObjectId addObject(management::ManagementObject* objectPtr, uint64_t persistId = 0);
ObjectId addObject(management::ManagementObject* objectPtr, const std::string& key,
bool persistent);
void raiseEvent(const management::ManagementEvent& event, severity_t severity = SEV_DEFAULT);
uint32_t pollCallbacks(uint32_t callLimit = 0);
int getSignalFd();
void setSignalCallback(cb_t callback, void* context);
void setSignalCallback(Notifyable& n);
uint16_t getInterval() { return interval; }
void periodicProcessing();
// these next are here to support the hot-wiring of state between clustered brokers
uint64_t getNextObjectId(void) { return nextObjectId; }
void setNextObjectId(uint64_t o) { nextObjectId = o; }
uint16_t getBootSequence(void) { return bootSequence; }
void setBootSequence(uint16_t b) { bootSequence = b; }
private:
struct SchemaClassKey {
std::string name;
uint8_t hash[16];
};
struct SchemaClassKeyComp {
bool operator() (const SchemaClassKey& lhs, const SchemaClassKey& rhs) const
{
if (lhs.name != rhs.name)
return lhs.name < rhs.name;
else
for (int i = 0; i < 16; i++)
if (lhs.hash[i] != rhs.hash[i])
return lhs.hash[i] < rhs.hash[i];
return false;
}
};
struct SchemaClass {
management::ManagementObject::writeSchemaCall_t writeSchemaCall;
uint8_t kind;
SchemaClass(const management::ManagementObject::writeSchemaCall_t call,
const uint8_t _kind) : writeSchemaCall(call), kind(_kind) {}
};
struct QueuedMethod {
QueuedMethod(const std::string& _cid, const std::string& _rte, const std::string& _rtk, const std::string& _body, const std::string& _uid) :
cid(_cid), replyToExchange(_rte), replyToKey(_rtk), body(_body), userId(_uid) {}
std::string cid;
std::string replyToExchange;
std::string replyToKey;
std::string body;
std::string userId;
};
typedef std::deque<QueuedMethod*> MethodQueue;
typedef std::map<SchemaClassKey, SchemaClass, SchemaClassKeyComp> ClassMap;
typedef std::map<std::string, ClassMap> PackageMap;
PackageMap packages;
AgentAttachment attachment;
typedef std::map<ObjectId, boost::shared_ptr<ManagementObject> > ObjectMap;
ObjectMap managementObjects;
ObjectMap newManagementObjects;
MethodQueue methodQueue;
void received (client::Message& msg);
qpid::types::Variant::Map attrMap;
std::string name_address;
std::string vendorNameKey; // vendor name with "." --> "_"
std::string productNameKey; // product name with "." --> "_"
std::string instanceNameKey; // agent instance with "." --> "_"
uint16_t interval;
bool extThread;
sys::PipeHandle* pipeHandle;
uint64_t nextObjectId;
cb_t notifyCallback;
void* notifyContext;
Notifyable* notifyable;
bool inCallback;
std::string storeFile;
sys::Mutex agentLock;
sys::Mutex addLock;
framing::Uuid systemId;
client::ConnectionSettings connectionSettings;
bool initialized;
bool connected;
bool useMapMsg;
std::string lastFailure;
std::string topicExchange;
std::string directExchange;
qpid::sys::Duration schemaTimestamp;
bool publishAllData;
uint32_t requestedBrokerBank;
uint32_t requestedAgentBank;
uint32_t assignedBrokerBank;
uint32_t assignedAgentBank;
uint16_t bootSequence;
// Maximum # of objects allowed in a single V2 response
// message.
uint32_t maxV2ReplyObjs;
static const uint8_t DEBUG_OFF = 0;
static const uint8_t DEBUG_CONN = 1;
static const uint8_t DEBUG_PROTO = 2;
static const uint8_t DEBUG_PUBLISH = 3;
# define MA_BUFFER_SIZE 65536
char outputBuffer[MA_BUFFER_SIZE];
char eventBuffer[MA_BUFFER_SIZE];
friend class ConnectionThread;
class ConnectionThread : public sys::Runnable
{
typedef boost::shared_ptr<client::SubscriptionManager> shared_ptr;
bool operational;
ManagementAgentImpl& agent;
framing::Uuid sessionId;
client::Connection connection;
client::Session session;
ConnectionThread::shared_ptr subscriptions;
std::stringstream queueName;
mutable sys::Mutex connLock;
bool shutdown;
bool sleeping;
void run();
public:
ConnectionThread(ManagementAgentImpl& _agent) :
operational(false), agent(_agent),
shutdown(false), sleeping(false) {}
~ConnectionThread();
void sendBuffer(qpid::framing::Buffer& buf,
uint32_t length,
const std::string& exchange,
const std::string& routingKey);
void sendBuffer(const std::string& data,
const std::string& cid,
const qpid::types::Variant::Map headers,
const std::string& exchange,
const std::string& routingKey,
const std::string& contentType="amqp/map",
uint64_t ttl_msec=0);
void sendMessage(qpid::client::Message msg,
const std::string& exchange,
const std::string& routingKey);
void bindToBank(uint32_t brokerBank, uint32_t agentBank);
void close();
bool isSleeping() const;
};
class PublishThread : public sys::Runnable
{
ManagementAgentImpl& agent;
void run();
bool shutdown;
public:
PublishThread(ManagementAgentImpl& _agent) :
agent(_agent), shutdown(false) {}
void close() { shutdown = true; }
};
ConnectionThread connThreadBody;
sys::Thread connThread;
PublishThread pubThreadBody;
sys::Thread pubThread;
static const std::string storeMagicNumber;
void startProtocol();
void storeData(bool requested=false);
void retrieveData(std::string& vendor, std::string& product, std::string& inst);
PackageMap::iterator findOrAddPackage(const std::string& name);
void moveNewObjectsLH();
void addClassLocal (uint8_t classKind,
PackageMap::iterator pIter,
const std::string& className,
uint8_t* md5Sum,
management::ManagementObject::writeSchemaCall_t schemaCall);
void encodePackageIndication (framing::Buffer& buf,
PackageMap::iterator pIter);
void encodeClassIndication (framing::Buffer& buf,
PackageMap::iterator pIter,
ClassMap::iterator cIter);
void encodeHeader (framing::Buffer& buf, uint8_t opcode, uint32_t seq = 0);
qpid::types::Variant::Map mapEncodeSchemaId(const std::string& pname,
const std::string& cname,
const uint8_t *md5Sum,
uint8_t type=ManagementItem::CLASS_KIND_TABLE);
bool checkHeader (framing::Buffer& buf, uint8_t *opcode, uint32_t *seq);
void sendHeartbeat();
void sendException(const std::string& replyToExchange, const std::string& replyToKey, const std::string& cid,
const std::string& text, uint32_t code=1);
void handlePackageRequest (qpid::framing::Buffer& inBuffer);
void handleClassQuery (qpid::framing::Buffer& inBuffer);
void handleSchemaRequest (qpid::framing::Buffer& inBuffer, uint32_t sequence, const std::string& rte, const std::string& rtk);
void invokeMethodRequest (const std::string& body, const std::string& cid, const std::string& rte, const std::string& rtk, const std::string& userId);
void handleGetQuery (const std::string& body, const std::string& cid, const std::string& rte, const std::string& rtk);
void handleLocateRequest (const std::string& body, const std::string& sequence, const std::string& rte, const std::string& rtk);
void handleMethodRequest (const std::string& body, const std::string& sequence, const std::string& rte, const std::string& rtk, const std::string& userId);
void handleConsoleAddedIndication();
void getHeartbeatContent (qpid::types::Variant::Map& map);
};
}}
#endif /*!_qpid_agent_ManagementAgentImpl_*/
|
