Jack2 1.9.12

JackSocketClientChannel.cpp
1 /*
2 Copyright (C) 2004-2008 Grame
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as published by
6 the Free Software Foundation; either version 2.1 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17
18 */
19
20 #include "JackSocketClientChannel.h"
21 #include "JackRequest.h"
22 #include "JackClient.h"
23 #include "JackGlobals.h"
24 #include "JackError.h"
25
26 namespace Jack
27 {
28
29 JackSocketClientChannel::JackSocketClientChannel()
30 :JackGenericClientChannel(), fThread(this)
31 {
32 fRequest = new JackClientSocket();
33 fNotificationSocket = NULL;
34 }
35
36 JackSocketClientChannel::~JackSocketClientChannel()
37 {
38 delete fRequest;
39 delete fNotificationSocket;
40 }
41
42 int JackSocketClientChannel::Open(const char* server_name, const char* name, int uuid, char* name_res, JackClient* client, jack_options_t options, jack_status_t* status)
43 {
44 int result = 0;
45 jack_log("JackSocketClientChannel::Open name = %s", name);
46
47 // Before any server/client call
48 fClient = client;
49
50 if (fRequest->Connect(jack_server_dir, server_name, 0) < 0) {
51 jack_error("Cannot connect to server socket");
52 goto error;
53 }
54
55 // OK so server is there...
56 JackGlobals::fServerRunning = true;
57
58 // Check name in server
59 ClientCheck(name, uuid, name_res, JACK_PROTOCOL_VERSION, (int)options, (int*)status, &result, true);
60 if (result < 0) {
61 int status1 = *status;
62 if (status1 & JackVersionError) {
63 jack_error("JACK protocol mismatch %d", JACK_PROTOCOL_VERSION);
64 } else {
65 jack_error("Client name = %s conflits with another running client", name);
66 }
67 goto error;
68 }
69
70 if (fNotificationListenSocket.Bind(jack_client_dir, name_res, 0) < 0) {
71 jack_error("Cannot bind socket");
72 goto error;
73 }
74
75 return 0;
76
77 error:
78 fRequest->Close();
79 fNotificationListenSocket.Close();
80 return -1;
81 }
82
83 void JackSocketClientChannel::Close()
84 {
85 fRequest->Close();
86 fNotificationListenSocket.Close();
87 if (fNotificationSocket) {
88 fNotificationSocket->Close();
89 }
90 }
91
92 int JackSocketClientChannel::Start()
93 {
94 jack_log("JackSocketClientChannel::Start");
95 /*
96 To be sure notification thread is started before ClientOpen is called.
97 */
98 if (fThread.StartSync() != 0) {
99 jack_error("Cannot start Jack client listener");
100 return -1;
101 } else {
102 return 0;
103 }
104 }
105
106 void JackSocketClientChannel::Stop()
107 {
108 jack_log("JackSocketClientChannel::Stop");
109 fThread.Kill();
110 }
111
112 bool JackSocketClientChannel::Init()
113 {
114 jack_log("JackSocketClientChannel::Init");
115 fNotificationSocket = fNotificationListenSocket.Accept();
116
117 // No more needed
118 fNotificationListenSocket.Close();
119
120 // Setup context
121 if (!jack_tls_set(JackGlobals::fNotificationThread, this)) {
122 jack_error("Failed to set thread notification key");
123 }
124
125 if (!fNotificationSocket) {
126 jack_error("JackSocketClientChannel: cannot establish notication socket");
127 return false;
128 } else {
129 return true;
130 }
131 }
132
133 bool JackSocketClientChannel::Execute()
134 {
135 JackClientNotification event;
136 JackResult res;
137
138 if (event.Read(fNotificationSocket) < 0) {
139 jack_error("JackSocketClientChannel read fail");
140 goto error;
141 }
142
143 res.fResult = fClient->ClientNotify(event.fRefNum, event.fName, event.fNotify, event.fSync, event.fMessage, event.fValue1, event.fValue2);
144
145 if (event.fSync) {
146 if (res.Write(fNotificationSocket) < 0) {
147 jack_error("JackSocketClientChannel write fail");
148 goto error;
149 }
150 }
151 return true;
152
153 error:
154 fNotificationSocket->Close();
155 fClient->ShutDown(jack_status_t(JackFailure | JackServerError), JACK_SERVER_FAILURE);
156 return false;
157 }
158
159 } // end of namespace
160
161
162
163
164
jack_error
SERVER_EXPORT void jack_error(const char *fmt,...)
Definition: JackError.cpp:92
Jack::JackResult
Result from the server.
Definition: JackRequest.h:129
Jack::JackSocketClientChannel::Init
bool Init()
Definition: JackSocketClientChannel.cpp:112
jack_log
SERVER_EXPORT void jack_log(const char *fmt,...)
Definition: JackError.cpp:108
Jack::JackClientNotification
ClientNotification.
Definition: JackRequest.h:1636