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
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* miav_daemon.cc
*
* Thu Jun 9 11:14:19 CEST 2005
* Copyright 2005 Bent Bisballe
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of MIaV.
*
* MIaV is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MIaV 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MIaV; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "miav_daemon.h"
#include <signal.h>
#include <errno.h>
#include <stdlib.h>
#include <hugin.hpp>
#include <config.h>
#include "miav_config.h"
#include "server.h"
#include "socket.h"
// Declared in miavd.cc
extern bool server_is_running;
MiavDaemon::MiavDaemon(int port)
{
this->port = port;
}
MiavDaemon::~MiavDaemon()
{}
int MiavDaemon::daemon_main()
{
pid_t childpid; // variable to store the child's pid
signal(SIGCLD, SIG_IGN); // Ved SIGCHILD til IGNORE maa wait/waitpid ikke kaldes
// (ellers kommer der kernel-brok)
INFO(miav, "Starting MIaV server v. %s", VERSION);
INFO(miav, "Listening on port %d", port);
Socket *socket = new Socket(port);
if(socket->hasError()) {
ERR(miav, "Listening socket has errors, quitting.");
delete socket;
return 1;
}
while(1) {
Socket *csocket = new Socket(socket->slisten());
if(!server_is_running) break;
if(socket->hasError()) {
ERR(miav, "Server socket has errors, quitting.");
delete csocket;
break;
}
if(csocket->hasError()) {
ERR(miav, "Child socket has errors, quitting.");
delete csocket;
break;
}
if(!csocket->isConnected()) {
ERR(miav, "Child socket is not connected, quitting.");
delete csocket;
break;
}
childpid = fork();
switch(childpid) {
case -1: // fork() returns -1 on failure
ERR(miav, "Fork error: %s", strerror(errno));
exit(1);
case 0: // fork() returns 0 to the child process
delete socket; // Close listen socket.
newConnection(csocket);
delete csocket; // Close communication socket.
exit(0);
default: // fork() returns new pid to the parent process
break;
}
}
delete socket;
INFO(miav, "MIaV server stopped");
return 0;
}
|
