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
|
/*
Copyright (C) 2004-2008 Grame
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#if defined(HAVE_CONFIG_H)
#include "config.h"
#endif
#include "JackMachServerChannel.h"
#include "JackRPCEngineServer.c"
#include "JackError.h"
#include "JackServer.h"
#include "JackMachThread.h"
#include "JackEngine.h"
#include "JackNotification.h"
using namespace std;
namespace Jack
{
map<mach_port_t, JackMachServerChannel*> JackMachServerChannel::fPortTable;
JackMachServerChannel::JackMachServerChannel()
{
fThread = new JackMachThread(this);
}
JackMachServerChannel::~JackMachServerChannel()
{
delete fThread;
}
int JackMachServerChannel::Open(const char* server_name, JackServer* server)
{
jack_log("JackMachServerChannel::Open");
char jack_server_entry_name[512];
snprintf(jack_server_entry_name, sizeof(jack_server_entry_name), "%s_%s", jack_server_entry, server_name);
if (!fServerPort.AllocatePort(jack_server_entry_name, 16)) { // 16 is the max possible value
jack_error("Cannot check in Jack server");
return -1;
}
if (fThread->Start() != 0) {
jack_error("Cannot start Jack server listener");
return -1;
}
fServer = server;
fPortTable[fServerPort.GetPort()] = this;
return 0;
}
void JackMachServerChannel::Close()
{
jack_log("JackMachServerChannel::Close");
fThread->Kill();
fServerPort.DestroyPort();
}
JackEngineInterface* JackMachServerChannel::GetEngine()
{
return fServer->GetEngine();
}
JackServer* JackMachServerChannel::GetServer()
{
return fServer;
}
void JackMachServerChannel::ClientCheck(char* name, char* name_res, int protocol, int options, int* status, int* result)
{
*result = GetEngine()->ClientCheck(name, name_res, protocol, options, status);
}
void JackMachServerChannel::ClientOpen(char* name, int pid, mach_port_t* private_port, int* shared_engine, int* shared_client, int* shared_graph, int* result)
{
int refnum = -1;
*result = GetEngine()->ClientExternalOpen(name, pid, &refnum, shared_engine, shared_client, shared_graph);
if (*result == 0) {
mach_port_t port = fServerPort.AddPort();
if (port != 0) {
fClientTable[port] = refnum;
fPortTable[port] = this;
*private_port = port;
} else {
jack_error("Cannot create private client mach port");
*result = -1;
}
} else {
jack_error("Cannot create new client");
}
}
void JackMachServerChannel::ClientClose(mach_port_t private_port, int refnum)
{
GetEngine()->ClientExternalClose(refnum);
fClientTable.erase(private_port);
// Hum, hum....
kern_return_t res;
if ((res = mach_port_destroy(mach_task_self(), private_port)) != KERN_SUCCESS) {
jack_error("server_rpc_jack_client_close mach_port_destroy %s", mach_error_string(res));
}
}
void JackMachServerChannel::ClientKill(mach_port_t private_port)
{
jack_log("JackMachServerChannel::ClientKill");
int refnum = fClientTable[private_port];
assert(refnum > 0);
fServer->DeadClient(refnum);
fClientTable.erase(private_port);
// Hum, hum....
kern_return_t res;
if ((res = mach_port_destroy(mach_task_self(), private_port)) != KERN_SUCCESS) {
jack_error("server_rpc_jack_client_close mach_port_destroy %s", mach_error_string(res));
}
}
boolean_t JackMachServerChannel::MessageHandler(mach_msg_header_t* Request, mach_msg_header_t* Reply)
{
if (Request->msgh_id == MACH_NOTIFY_NO_SENDERS) {
jack_log("MACH_NOTIFY_NO_SENDERS %ld", Request->msgh_local_port);
JackMachServerChannel* channel = JackMachServerChannel::fPortTable[Request->msgh_local_port];
assert(channel);
channel->ClientKill(Request->msgh_local_port);
} else {
JackRPCEngine_server(Request, Reply);
}
return true;
}
bool JackMachServerChannel::Execute()
{
kern_return_t res;
if ((res = mach_msg_server(MessageHandler, 1024, fServerPort.GetPortSet(), 0)) != KERN_SUCCESS) {
jack_log("JackMachServerChannel::Execute: err = %s", mach_error_string(res));
}
//return (res == KERN_SUCCESS); mach_msg_server can fail if the client reply port is not valid anymore (crashed client)
return true;
}
} // end of namespace
|
