1 /* $Id: msg-thread.cpp,v 1.1 2005-05-30 20:08:58 adam Exp $
2 Copyright (c) 1998-2005, Index Data.
4 This file is part of the yaz-proxy.
6 YAZ proxy is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 2, or (at your option) any later
11 YAZ proxy is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 You should have received a copy of the GNU General Public License
17 along with YAZ proxy; see the file LICENSE. If not, write to the
18 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
25 #include <yaz++/socket-observer.h>
28 #include "msg-thread.h"
30 Msg_Thread_Queue::Msg_Thread_Queue()
35 int Msg_Thread_Queue::size()
38 Msg_Thread_Queue_List *l;
39 for (l = m_list; l; l = l->m_next)
44 void Msg_Thread_Queue::enqueue(IMsg_Thread *m)
46 Msg_Thread_Queue_List *l = new Msg_Thread_Queue_List;
52 IMsg_Thread *Msg_Thread_Queue::dequeue()
54 Msg_Thread_Queue_List **l = &m_list;
59 IMsg_Thread *m = (*l)->m_item;
65 static void *tfunc(void *p)
67 Msg_Thread *pt = (Msg_Thread *) p;
73 Msg_Thread::Msg_Thread(IYazSocketObservable *obs)
74 : m_SocketObservable(obs)
77 obs->addObserver(m_fd[0], this);
78 obs->maskObserver(this, YAZ_SOCKET_OBSERVE_READ);
81 pthread_mutex_init(&m_mutex_input_data, 0);
82 pthread_cond_init(&m_cond_input_data, 0);
83 pthread_mutex_init(&m_mutex_output_data, 0);
84 pthread_cond_init(&m_cond_output_data, 0);
85 pthread_create(&m_thread_id, 0, tfunc, this);
88 Msg_Thread::~Msg_Thread()
90 pthread_mutex_lock(&m_mutex_input_data);
92 pthread_cond_signal(&m_cond_input_data);
93 pthread_mutex_unlock(&m_mutex_input_data);
95 pthread_join(m_thread_id, 0);
97 m_SocketObservable->deleteObserver(this);
99 pthread_cond_destroy(&m_cond_input_data);
100 pthread_mutex_destroy(&m_mutex_input_data);
101 pthread_cond_destroy(&m_cond_output_data);
102 pthread_mutex_destroy(&m_mutex_output_data);
107 void Msg_Thread::socketNotify(int event)
109 if (event & YAZ_SOCKET_OBSERVE_READ)
112 read(m_fd[0], buf, 1);
113 pthread_mutex_lock(&m_mutex_output_data);
114 IMsg_Thread *out = m_output.dequeue();
115 pthread_mutex_unlock(&m_mutex_output_data);
121 void Msg_Thread::run(void *p)
125 pthread_mutex_lock(&m_mutex_input_data);
126 pthread_cond_wait(&m_cond_input_data, &m_mutex_input_data);
131 pthread_mutex_unlock(&m_mutex_input_data);
134 IMsg_Thread *in = m_input.dequeue();
135 pthread_mutex_unlock(&m_mutex_input_data);
138 IMsg_Thread *out = in->handle();
139 pthread_mutex_lock(&m_mutex_output_data);
140 m_output.enqueue(out);
141 pthread_cond_signal(&m_cond_output_data);
142 pthread_mutex_unlock(&m_mutex_output_data);
144 write(m_fd[1], "", 1);
146 pthread_mutex_lock(&m_mutex_input_data);
151 void Msg_Thread::put(IMsg_Thread *m)
153 pthread_mutex_lock(&m_mutex_input_data);
155 pthread_cond_signal(&m_cond_input_data);
156 pthread_mutex_unlock(&m_mutex_input_data);