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2e4a5466 | 1 | /* |
68854a41 | 2 | * DEBUG: section 93 ICAP (RFC 3507) Client |
2e4a5466 AR |
3 | */ |
4 | ||
5 | #include "squid.h" | |
6 | #include "HttpMsg.h" | |
7 | #include "adaptation/Service.h" | |
8 | #include "adaptation/Initiator.h" | |
9 | #include "adaptation/Initiate.h" | |
10 | ||
11 | namespace Adaptation { | |
12 | ||
13 | // AdaptInitiator::noteAdaptionAnswer Dialer locks/unlocks the message in transit | |
14 | // TODO: replace HTTPMSGLOCK with general RefCounting and delete this class | |
15 | class AnswerDialer: public UnaryMemFunT<Initiator, HttpMsg*> | |
16 | { | |
17 | public: | |
18 | typedef UnaryMemFunT<Initiator, HttpMsg*> Parent; | |
19 | ||
20 | AnswerDialer(Initiator *obj, Parent::Method meth, HttpMsg *msg): | |
21 | Parent(obj, meth, msg) { HTTPMSGLOCK(arg1); } | |
22 | AnswerDialer(const AnswerDialer &d): | |
23 | Parent(d) { HTTPMSGLOCK(arg1); } | |
24 | virtual ~AnswerDialer() { HTTPMSGUNLOCK(arg1); } | |
25 | }; | |
26 | ||
27 | } // namespace Adaptation | |
28 | ||
29 | ||
30 | /* Initiate */ | |
31 | ||
32 | Adaptation::Initiate::Initiate(const char *aTypeName, | |
33 | Initiator *anInitiator, ServicePointer aService): | |
34 | AsyncJob(aTypeName), theInitiator(anInitiator), theService(aService) | |
35 | { | |
36 | assert(theService != NULL); | |
37 | assert(theInitiator); | |
38 | } | |
39 | ||
40 | Adaptation::Initiate::~Initiate() | |
41 | { | |
b8af5c82 AR |
42 | // TODO: we cannot assert(!theInitiator) because that fails if a child |
43 | // constructor fails. AsyncJob should have wasStarted flag so that we | |
44 | // can assert(!(wasStarted && theInitiator)). | |
2e4a5466 AR |
45 | } |
46 | ||
47 | // internal cleanup | |
48 | void Adaptation::Initiate::swanSong() | |
49 | { | |
50 | debugs(93, 5, HERE << "swan sings" << status()); | |
51 | ||
52 | if (theInitiator) { | |
53 | debugs(93, 3, HERE << "fatal failure; sending abort notification"); | |
54 | tellQueryAborted(true); // final by default | |
55 | } | |
56 | ||
57 | debugs(93, 5, HERE << "swan sang" << status()); | |
58 | } | |
59 | ||
60 | void Adaptation::Initiate::clearInitiator() | |
61 | { | |
62 | if (theInitiator) | |
63 | theInitiator.clear(); | |
64 | } | |
65 | ||
66 | void Adaptation::Initiate::sendAnswer(HttpMsg *msg) | |
67 | { | |
68 | assert(msg); | |
69 | if (theInitiator.isThere()) { | |
70 | CallJob(93, 5, __FILE__, __LINE__, "Initiator::noteAdaptAnswer", | |
71 | AnswerDialer(theInitiator.ptr(), &Initiator::noteAdaptationAnswer, msg)); | |
72 | } | |
73 | clearInitiator(); | |
74 | } | |
75 | ||
76 | ||
77 | void Adaptation::Initiate::tellQueryAborted(bool final) | |
78 | { | |
79 | if (theInitiator.isThere()) { | |
80 | CallJobHere1(93, 5, theInitiator.ptr(), | |
81 | Initiator::noteAdaptationQueryAbort, final); | |
82 | } | |
83 | clearInitiator(); | |
84 | } | |
85 | ||
86 | Adaptation::Service & | |
87 | Adaptation::Initiate::service() | |
88 | { | |
89 | assert(theService != NULL); | |
90 | return *theService; | |
91 | } | |
92 | ||
93 | const char *Adaptation::Initiate::status() const { | |
a0b91cde | 94 | return AsyncJob::status(); // for now |
2e4a5466 AR |
95 | } |
96 | ||
97 | ||
98 | /* InitiatorHolder */ | |
99 | ||
100 | Adaptation::InitiatorHolder::InitiatorHolder(Initiator *anInitiator): | |
101 | prime(0), cbdata(0) | |
102 | { | |
103 | if (anInitiator) { | |
104 | cbdata = cbdataReference(anInitiator->toCbdata()); | |
105 | prime = anInitiator; | |
106 | } | |
107 | } | |
108 | ||
109 | Adaptation::InitiatorHolder::InitiatorHolder(const InitiatorHolder &anInitiator): | |
110 | prime(0), cbdata(0) | |
111 | { | |
112 | if (anInitiator != NULL && cbdataReferenceValid(anInitiator.cbdata)) { | |
113 | cbdata = cbdataReference(anInitiator.cbdata); | |
114 | prime = anInitiator.prime; | |
115 | } | |
116 | } | |
117 | ||
118 | Adaptation::InitiatorHolder::~InitiatorHolder() | |
119 | { | |
120 | clear(); | |
121 | } | |
122 | ||
123 | void Adaptation::InitiatorHolder::clear() { | |
124 | if (prime) { | |
125 | prime = NULL; | |
126 | cbdataReferenceDone(cbdata); | |
127 | } | |
128 | } | |
129 | ||
130 | Adaptation::Initiator *Adaptation::InitiatorHolder::ptr() | |
131 | { | |
132 | assert(isThere()); | |
133 | return prime; | |
134 | } | |
135 | ||
136 | bool | |
137 | Adaptation::InitiatorHolder::isThere() { | |
138 | return prime && cbdataReferenceValid(cbdata); | |
139 | } | |
140 | ||
141 | // should not be used | |
142 | Adaptation::InitiatorHolder & | |
143 | Adaptation::InitiatorHolder::operator =(const InitiatorHolder &anInitiator) | |
144 | { | |
145 | assert(false); | |
146 | return *this; | |
147 | } |