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7e0cf530 | 1 | // Author: Mihai Niculescu 2013 |
2 | ||
3 | /************************************************************************** | |
4 | * Copyright(c) 1998-2013, ALICE Experiment at CERN, all rights reserved. * | |
5 | * See http://aliceinfo.cern.ch/Offline/AliRoot/License.html for * | |
6 | * full copyright notice. * | |
7 | **************************************************************************/ | |
8 | ||
bd2715e3 | 9 | #include <RVersion.h> |
7e0cf530 | 10 | #include <stdlib.h> |
11 | ||
12 | #include <zmq.hpp> | |
13 | ||
14 | #include <TCondition.h> | |
15 | #include <TBufferFile.h> | |
16 | #include <TMessage.h> | |
17 | #include <TObjArray.h> | |
18 | #include <TStreamerInfo.h> | |
19 | #include <TThread.h> | |
20 | ||
21 | ||
22 | #include <AliESDEvent.h> | |
23 | #include <AliESDfriend.h> | |
24 | #include <AliRawReader.h> | |
25 | #include <AliRunLoader.h> | |
26 | #include <AliReconstruction.h> | |
27 | ||
28 | #include "AliRecoServerThread.h" | |
29 | ||
30 | ClassImp(AliRecoServerThread); | |
31 | AliRecoServerThread::AliRecoServerThread(zmq::context_t *context, AliReconstruction* reco) | |
32 | : TQObject(), | |
33 | fContext(0), | |
34 | fReco(0), | |
35 | fHost("tcp://*:5051"), | |
36 | fThread(0), | |
37 | fCond(0) | |
38 | { | |
39 | fContext = context; | |
40 | fReco = reco; | |
41 | } | |
42 | ||
43 | AliRecoServerThread::~AliRecoServerThread() | |
44 | { | |
45 | Stop(); | |
46 | } | |
47 | ||
48 | Bool_t AliRecoServerThread::Start(const char* host) | |
49 | { | |
50 | if(!fThread){ | |
51 | fHost = host; | |
52 | fCond = new TCondition(0); | |
53 | fThread = new TThread("AliRecoServerThread", (void(*) (void *) ) &RunThreaded, (void*) this ); | |
54 | fThread->Run(); | |
55 | ||
56 | return kTRUE; | |
57 | } | |
58 | ||
59 | return kFALSE; | |
60 | } | |
61 | ||
62 | Int_t AliRecoServerThread::Stop() | |
63 | { | |
64 | fCond->Signal(); | |
65 | ||
66 | return 0; | |
67 | } | |
68 | ||
69 | Bool_t AliRecoServerThread::ForceStop() | |
70 | { | |
71 | if(fThread){ | |
72 | fThread->Kill(); | |
73 | fThread->Delete(); | |
74 | fThread=0; | |
75 | ||
76 | return kTRUE; | |
77 | } | |
78 | ||
79 | return kFALSE; | |
80 | } | |
81 | ||
82 | void AliRecoServerThread::Finished(Int_t status) | |
83 | { | |
84 | Emit("Finished(Int_t)", status); | |
85 | } | |
86 | ||
87 | void AliRecoServerThread::SendStreamerInfos(TMessage* mess, zmq::socket_t *sock) | |
88 | { | |
89 | //printf("Sending Streamer Infos....\n"); | |
90 | ||
91 | // Check if TStreamerInfo must be sent. The list of TStreamerInfo of classes | |
92 | // in the object in the message is in the fInfos list of the message. | |
93 | // We send only the TStreamerInfos not yet sent on this socket. | |
94 | TList* infos = mess->GetStreamerInfos(); | |
95 | ||
96 | TIter next(infos); | |
97 | TStreamerInfo *info; | |
98 | TList *minilist = 0; | |
99 | while ((info = (TStreamerInfo*)next())) { | |
100 | Int_t uid = info->GetNumber(); | |
101 | if (!minilist) minilist = new TList(); | |
102 | ||
103 | minilist->Add(info); | |
104 | } | |
105 | ||
106 | if (minilist) { | |
107 | TMessage messinfo(kMESS_STREAMERINFO); | |
108 | messinfo.WriteObject(minilist); | |
109 | delete minilist; | |
110 | if (messinfo.GetStreamerInfos()) | |
111 | messinfo.GetStreamerInfos()->Clear(); | |
7b037834 | 112 | |
113 | int bufsize = messinfo.Length(); | |
7e0cf530 | 114 | char* buf = (char*) malloc(bufsize * sizeof(char)); |
115 | memcpy(buf, messinfo.Buffer(), bufsize); | |
116 | ||
117 | // send! | |
118 | zmq::message_t message((void*)buf, bufsize, 0, 0); | |
119 | ||
120 | if (sock->send(message, ZMQ_SNDMORE)) | |
121 | Warning("SendStreamerInfos", "problems sending TStreamerInfo's ..."); | |
122 | } | |
123 | ||
124 | return; | |
125 | } | |
126 | ||
127 | void AliRecoServerThread::SendEvent(AliESDEvent* event, zmq::socket_t* socket) | |
128 | { | |
129 | if(!event) return; | |
130 | ||
131 | TMessage tmess(kMESS_OBJECT); | |
132 | tmess.Reset(); | |
133 | tmess.WriteObject(event); | |
134 | ||
135 | TMessage::EnableSchemaEvolutionForAll(kTRUE); | |
136 | SendStreamerInfos(&tmess, socket); | |
137 | ||
7e0cf530 | 138 | int bufsize = tmess.Length(); |
139 | char* buf = (char*) malloc(bufsize * sizeof(char)); | |
140 | memcpy(buf, tmess.Buffer(), bufsize); | |
141 | ||
142 | // send! | |
143 | zmq::message_t message((void*)buf, bufsize, 0, 0); | |
144 | socket->send(message); | |
145 | ||
146 | } | |
147 | ||
148 | ||
149 | void* AliRecoServerThread::RunThreaded(void* arg) | |
150 | { | |
151 | TThread::SetCancelAsynchronous(); | |
152 | TThread::SetCancelOn(); | |
153 | ||
154 | AliRecoServerThread* recoTh = (AliRecoServerThread*)arg; | |
155 | ||
156 | const char* host = recoTh->GetHost(); | |
157 | zmq::context_t* context = recoTh->GetContext(); | |
158 | AliReconstruction* reco = recoTh->GetReconstruction(); | |
159 | ||
160 | zmq::socket_t publisher(*context, ZMQ_PUB); | |
161 | publisher.bind(host); | |
162 | ||
163 | if(reco==0) return 0; | |
164 | ||
165 | AliESDEvent* event; | |
166 | ||
167 | reco->Begin(NULL); | |
168 | if (reco->GetAbort() != TSelector::kContinue) return 0; | |
169 | ||
170 | reco->SlaveBegin(NULL); | |
171 | if (reco->GetAbort() != TSelector::kContinue) return 0; | |
172 | ||
173 | //******* The loop over events | |
174 | Int_t iEvent = 0; | |
175 | while ( reco->HasNextEventAfter(iEvent) ) { | |
176 | // check if process has enough resources | |
177 | if (!reco->HasEnoughResources(iEvent)) break; | |
178 | Bool_t status = reco->ProcessEvent(iEvent); | |
179 | ||
180 | if (status) | |
181 | { | |
182 | event = reco->GetESDEvent(); | |
183 | SendEvent(event, &publisher); | |
184 | ||
185 | sleep(1); | |
186 | } | |
187 | else { | |
188 | reco->Abort("ProcessEvent",TSelector::kAbortFile); | |
189 | } | |
190 | ||
191 | reco->CleanProcessedEvent(); | |
192 | if(recoTh->Condition()->TimedWaitRelative(500)==0){ | |
193 | break; | |
194 | } | |
195 | iEvent++; | |
196 | } | |
197 | reco->SlaveTerminate(); | |
198 | if (reco->GetAbort() != TSelector::kContinue) return 0; | |
199 | reco->Terminate(); | |
200 | if (reco->GetAbort() != TSelector::kContinue) return 0; | |
201 | ||
202 | } |