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
|
//
// Copyright (c) ZeroC, Inc. All rights reserved.
//
#ifndef LOOKUPI_H
#define LOOKUPI_H
#include <IceDiscovery/IceDiscovery.h>
#include <IceDiscovery/LocatorI.h>
#include <IceUtil/Timer.h>
#include <Ice/Properties.h>
#include <Ice/Comparable.h>
#include <set>
namespace IceDiscovery
{
class LookupI;
class Request : public IceUtil::TimerTask
{
public:
Request(const LookupIPtr&, int);
virtual bool retry();
void invoke(const std::string&, const std::vector<std::pair<LookupPrxPtr, LookupReplyPrxPtr> >&);
bool exception();
std::string getRequestId() const;
virtual void finished(const Ice::ObjectPrxPtr&) = 0;
protected:
virtual void invokeWithLookup(const std::string&, const LookupPrxPtr&, const LookupReplyPrxPtr&) = 0;
LookupIPtr _lookup;
const std::string _requestId;
int _retryCount;
size_t _lookupCount;
size_t _failureCount;
};
ICE_DEFINE_PTR(RequestPtr, Request);
template<class T, class CB> class RequestT : public Request
{
public:
RequestT(const LookupIPtr& lookup, T id, int retryCount) : Request(lookup, retryCount), _id(id)
{
}
T getId() const
{
return _id;
}
bool addCallback(const CB& cb)
{
_callbacks.push_back(cb);
return _callbacks.size() == 1;
}
virtual void finished(const Ice::ObjectPrxPtr& proxy)
{
for(typename std::vector<CB>::const_iterator p = _callbacks.begin(); p != _callbacks.end(); ++p)
{
#ifdef ICE_CPP11_MAPPING
p->first(proxy);
#else
(*p)->ice_response(proxy);
#endif
}
_callbacks.clear();
}
protected:
const T _id;
std::vector<CB> _callbacks;
};
#ifdef ICE_CPP11_MAPPING
typedef std::pair<std::function<void(const std::shared_ptr<::Ice::ObjectPrx>&)>,
std::function<void(std::exception_ptr)>> ObjectCB;
typedef std::pair<std::function<void(const std::shared_ptr<::Ice::ObjectPrx>&)>,
std::function<void(std::exception_ptr)>> AdapterCB;
#else
typedef Ice::AMD_Locator_findObjectByIdPtr ObjectCB;
typedef Ice::AMD_Locator_findAdapterByIdPtr AdapterCB;
#endif
class ObjectRequest : public RequestT<Ice::Identity, ObjectCB>
#ifdef ICE_CPP11_MAPPING
, public std::enable_shared_from_this<ObjectRequest>
#endif
{
public:
ObjectRequest(const LookupIPtr&, const Ice::Identity&, int);
void response(const Ice::ObjectPrxPtr&);
private:
virtual void invokeWithLookup(const std::string&, const LookupPrxPtr&, const LookupReplyPrxPtr&);
virtual void runTimerTask();
};
ICE_DEFINE_PTR(ObjectRequestPtr, ObjectRequest);
class AdapterRequest : public RequestT<std::string, AdapterCB>
#ifdef ICE_CPP11_MAPPING
, public std::enable_shared_from_this<AdapterRequest>
#endif
{
public:
AdapterRequest(const LookupIPtr&, const std::string&, int);
bool response(const Ice::ObjectPrxPtr&, bool);
virtual bool retry();
virtual void finished(const Ice::ObjectPrxPtr&);
private:
virtual void invokeWithLookup(const std::string&, const LookupPrxPtr&, const LookupReplyPrxPtr&);
virtual void runTimerTask();
//
// We use a set because the same IceDiscovery plugin might return multiple times
// the same proxy if it's accessible through multiple network interfaces and if we
// also sent the request to multiple interfaces.
//
#ifdef ICE_CPP11_MAPPING
std::set<std::shared_ptr<Ice::ObjectPrx>, Ice::TargetCompare<std::shared_ptr<Ice::ObjectPrx>, std::less>> _proxies;
#else
std::set<Ice::ObjectPrx> _proxies;
#endif
IceUtil::Time _start;
IceUtil::Time _latency;
};
ICE_DEFINE_PTR(AdapterRequestPtr, AdapterRequest);
class LookupI : public Lookup,
private IceUtil::Mutex
#ifdef ICE_CPP11_MAPPING
, public std::enable_shared_from_this<LookupI>
#endif
{
public:
LookupI(const LocatorRegistryIPtr&, const LookupPrxPtr&, const Ice::PropertiesPtr&);
virtual ~LookupI();
void destroy();
void setLookupReply(const LookupReplyPrxPtr&);
virtual void findObjectById(ICE_IN(std::string), ICE_IN(Ice::Identity), ICE_IN(IceDiscovery::LookupReplyPrxPtr),
const Ice::Current&);
virtual void findAdapterById(ICE_IN(std::string), ICE_IN(std::string), ICE_IN(IceDiscovery::LookupReplyPrxPtr),
const Ice::Current&);
void findObject(const ObjectCB&, const Ice::Identity&);
void findAdapter(const AdapterCB&, const std::string&);
void foundObject(const Ice::Identity&, const std::string&, const Ice::ObjectPrxPtr&);
void foundAdapter(const std::string&, const std::string&, const Ice::ObjectPrxPtr&, bool);
void adapterRequestTimedOut(const AdapterRequestPtr&);
void adapterRequestException(const AdapterRequestPtr&, const Ice::LocalException&);
void objectRequestTimedOut(const ObjectRequestPtr&);
void objectRequestException(const ObjectRequestPtr&, const Ice::LocalException&);
const IceUtil::TimerPtr&
timer()
{
return _timer;
}
int
latencyMultiplier()
{
return _latencyMultiplier;
}
private:
LocatorRegistryIPtr _registry;
LookupPrxPtr _lookup;
std::vector<std::pair<LookupPrxPtr, LookupReplyPrxPtr> > _lookups;
const IceUtil::Time _timeout;
const int _retryCount;
const int _latencyMultiplier;
const std::string _domainId;
IceUtil::TimerPtr _timer;
Ice::ObjectPrxPtr _wellKnownProxy;
bool _warnOnce;
std::map<Ice::Identity, ObjectRequestPtr> _objectRequests;
std::map<std::string, AdapterRequestPtr> _adapterRequests;
};
class LookupReplyI : public LookupReply
{
public:
LookupReplyI(const LookupIPtr&);
#ifdef ICE_CPP11_MAPPING
virtual void foundObjectById(Ice::Identity, std::shared_ptr<Ice::ObjectPrx>, const Ice::Current&);
virtual void foundAdapterById(std::string, std::shared_ptr<Ice::ObjectPrx>, bool, const Ice::Current&);
#else
virtual void foundObjectById(const Ice::Identity&, const Ice::ObjectPrx&, const Ice::Current&);
virtual void foundAdapterById(const std::string&, const Ice::ObjectPrx&, bool, const Ice::Current&);
#endif
private:
const LookupIPtr _lookup;
};
};
#endif
|
