1 /* $Id: msg-thread.cpp,v 1.3 2005-06-08 13:29:03 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 using namespace yazpp_1;
32 Msg_Thread_Queue::Msg_Thread_Queue()
37 int Msg_Thread_Queue::size()
40 Msg_Thread_Queue_List *l;
41 for (l = m_list; l; l = l->m_next)
46 void Msg_Thread_Queue::enqueue(IMsg_Thread *m)
48 Msg_Thread_Queue_List *l = new Msg_Thread_Queue_List;
54 IMsg_Thread *Msg_Thread_Queue::dequeue()
56 Msg_Thread_Queue_List **l = &m_list;
61 IMsg_Thread *m = (*l)->m_item;
67 static void *tfunc(void *p)
69 Msg_Thread *pt = (Msg_Thread *) p;
75 Msg_Thread::Msg_Thread(ISocketObservable *obs)
76 : m_SocketObservable(obs)
79 obs->addObserver(m_fd[0], this);
80 obs->maskObserver(this, SOCKET_OBSERVE_READ);
83 pthread_mutex_init(&m_mutex_input_data, 0);
84 pthread_cond_init(&m_cond_input_data, 0);
85 pthread_mutex_init(&m_mutex_output_data, 0);
86 pthread_cond_init(&m_cond_output_data, 0);
87 pthread_create(&m_thread_id, 0, tfunc, this);
90 Msg_Thread::~Msg_Thread()
92 pthread_mutex_lock(&m_mutex_input_data);
94 pthread_cond_signal(&m_cond_input_data);
95 pthread_mutex_unlock(&m_mutex_input_data);
97 pthread_join(m_thread_id, 0);
99 m_SocketObservable->deleteObserver(this);
101 pthread_cond_destroy(&m_cond_input_data);
102 pthread_mutex_destroy(&m_mutex_input_data);
103 pthread_cond_destroy(&m_cond_output_data);
104 pthread_mutex_destroy(&m_mutex_output_data);
109 void Msg_Thread::socketNotify(int event)
111 if (event & SOCKET_OBSERVE_READ)
114 read(m_fd[0], buf, 1);
115 pthread_mutex_lock(&m_mutex_output_data);
116 IMsg_Thread *out = m_output.dequeue();
117 pthread_mutex_unlock(&m_mutex_output_data);
123 void Msg_Thread::run(void *p)
127 pthread_mutex_lock(&m_mutex_input_data);
128 pthread_cond_wait(&m_cond_input_data, &m_mutex_input_data);
133 pthread_mutex_unlock(&m_mutex_input_data);
136 IMsg_Thread *in = m_input.dequeue();
137 pthread_mutex_unlock(&m_mutex_input_data);
140 IMsg_Thread *out = in->handle();
141 pthread_mutex_lock(&m_mutex_output_data);
142 m_output.enqueue(out);
143 pthread_cond_signal(&m_cond_output_data);
144 pthread_mutex_unlock(&m_mutex_output_data);
146 write(m_fd[1], "", 1);
148 pthread_mutex_lock(&m_mutex_input_data);
153 void Msg_Thread::put(IMsg_Thread *m)
155 pthread_mutex_lock(&m_mutex_input_data);
157 pthread_cond_signal(&m_cond_input_data);
158 pthread_mutex_unlock(&m_mutex_input_data);