summaryrefslogtreecommitdiff
path: root/cpp/src/tests/test_store.cpp
blob: 257e77b6b47ef7d1542c6e0a0602e7368b4c0a4d (plain)
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
/*
 *
 * 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.
 *
 */


/**@file
 * Plug-in message store for tests.
 *
 * Add functionality as required, build up a comprehensive set of
 * features to support persistent behavior tests.
 *
 * Current features special "action" messages can:
 *  - raise exception from enqueue.
 *  - force host process to exit.
 *  - do async completion after a delay.
 */

#include "qpid/broker/NullMessageStore.h"
#include "qpid/broker/Broker.h"
#include "qpid/framing/AMQFrame.h"
#include "qpid/log/Statement.h"
#include "qpid/Plugin.h"
#include "qpid/Options.h"
#include <boost/cast.hpp>
#include <boost/lexical_cast.hpp>
#include <memory>
#include <fstream>

using namespace qpid;
using namespace broker;
using namespace std;
using namespace qpid::sys;

namespace qpid {
namespace tests {

struct TestStoreOptions : public Options {

    string name;
    string dump;

    TestStoreOptions() : Options("Test Store Options") {
        addOptions()
            ("test-store-name", optValue(name, "NAME"), "Name of test store instance.")
            ("test-store-dump", optValue(dump, "FILE"), "File to dump enqueued messages.")
            ;
    }
};

struct Completer : public Runnable {
    boost::intrusive_ptr<PersistableMessage> message;
    int usecs;
    Completer(boost::intrusive_ptr<PersistableMessage> m, int u) : message(m), usecs(u) {}
    void run() {
        qpid::sys::usleep(usecs);
        message->enqueueComplete();
        delete this;
    }
};

class TestStore : public NullMessageStore {
  public:
    TestStore(const TestStoreOptions& opts, Broker& broker_)
        : options(opts), name(opts.name), broker(broker_)
    {
        QPID_LOG(info, "TestStore name=" << name << " dump=" << options.dump);
        if (!options.dump.empty()) 
            dump.reset(new ofstream(options.dump.c_str()));
    }

    ~TestStore() {
        for_each(threads.begin(), threads.end(), boost::bind(&Thread::join, _1));
    }

    virtual bool isNull() const { return false; }
    
    void enqueue(TransactionContext* ,
                 const boost::intrusive_ptr<PersistableMessage>& pmsg,
                 const PersistableQueue& )
    {
        Message* msg = dynamic_cast<Message*>(pmsg.get());
        assert(msg);

        // Dump the message if there is a dump file.
        if (dump.get()) {
            msg->getFrames().getMethod()->print(*dump);
            *dump  << endl << "  ";
            msg->getFrames().getHeaders()->print(*dump);
            *dump << endl << "  ";
            *dump << msg->getFrames().getContentSize() << endl;
        }

        // Check the message for special instructions.
        string data = msg->getFrames().getContent();
        size_t i = string::npos;
        size_t j = string::npos;
        if (strncmp(data.c_str(), TEST_STORE_DO.c_str(), strlen(TEST_STORE_DO.c_str())) == 0
            && (i = data.find(name+"[")) != string::npos
            && (j = data.find("]", i)) != string::npos)
        {
            size_t start = i+name.size()+1;
            string action = data.substr(start, j-start);

            if (action == EXCEPTION) {
                throw Exception(QPID_MSG("TestStore " << name << " throwing exception for: " << data));
            }
            else if (action == EXIT_PROCESS) {
                // FIXME aconway 2009-04-10: this is a dubious way to
                // close the process at best, it can cause assertions or seg faults
                // rather than clean exit.
                QPID_LOG(critical, "TestStore " << name << " forcing process exit for: " << data);
                exit(0);
            }
            else if (strncmp(action.c_str(), ASYNC.c_str(), strlen(ASYNC.c_str())) == 0) {
                std::string delayStr(action.substr(ASYNC.size()));
                int delay = boost::lexical_cast<int>(delayStr);
                threads.push_back(Thread(*new Completer(msg, delay)));
            }
            else {
                QPID_LOG(error, "TestStore " << name << " unknown action " << action);
                msg->enqueueComplete();
            }
        }
        else
            msg->enqueueComplete();
    }

  private:
    static const string TEST_STORE_DO, EXCEPTION, EXIT_PROCESS, ASYNC;
    TestStoreOptions options;
    string name;
    Broker& broker;
    vector<Thread> threads;
    std::auto_ptr<ofstream> dump;
};

const string TestStore::TEST_STORE_DO = "TEST_STORE_DO: ";
const string TestStore::EXCEPTION = "exception";
const string TestStore::EXIT_PROCESS = "exit_process";
const string TestStore::ASYNC="async ";

struct TestStorePlugin : public Plugin {

    TestStoreOptions options;

    Options* getOptions() { return &options; }

    void earlyInitialize (Plugin::Target& target)
    {
        Broker* broker = dynamic_cast<Broker*>(&target);
        if (!broker) return;
        boost::shared_ptr<MessageStore> p(new TestStore(options, *broker));
        broker->setStore (p);
    }

    void initialize(qpid::Plugin::Target&) {}
};

static TestStorePlugin pluginInstance;

}} // namespace qpid::tests