1 /* $Id: msg-thread.cpp,v 1.8 2005-09-12 20:09:14 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
26 #include <yaz++/socket-observer.h>
29 #include "msg-thread.h"
31 using namespace yazpp_1;
33 Msg_Thread_Queue::Msg_Thread_Queue()
38 int Msg_Thread_Queue::size()
41 Msg_Thread_Queue_List *l;
42 for (l = m_list; l; l = l->m_next)
47 void Msg_Thread_Queue::enqueue(IMsg_Thread *m)
49 Msg_Thread_Queue_List *l = new Msg_Thread_Queue_List;
55 IMsg_Thread *Msg_Thread_Queue::dequeue()
57 Msg_Thread_Queue_List **l = &m_list;
62 IMsg_Thread *m = (*l)->m_item;
68 static void *tfunc(void *p)
70 Msg_Thread *pt = (Msg_Thread *) p;
76 Msg_Thread::Msg_Thread(ISocketObservable *obs, int no_threads)
77 : m_SocketObservable(obs)
80 obs->addObserver(m_fd[0], this);
81 obs->maskObserver(this, SOCKET_OBSERVE_READ);
84 pthread_mutex_init(&m_mutex_input_data, 0);
85 pthread_cond_init(&m_cond_input_data, 0);
86 pthread_mutex_init(&m_mutex_output_data, 0);
88 m_no_threads = no_threads;
89 m_thread_id = new pthread_t[no_threads];
91 for (i = 0; i<m_no_threads; i++)
92 pthread_create(&m_thread_id[i], 0, tfunc, this);
95 Msg_Thread::~Msg_Thread()
97 pthread_mutex_lock(&m_mutex_input_data);
99 pthread_cond_signal(&m_cond_input_data);
100 pthread_mutex_unlock(&m_mutex_input_data);
103 for (i = 0; i<m_no_threads; i++)
104 pthread_join(m_thread_id[i], 0);
105 delete [] m_thread_id;
107 m_SocketObservable->deleteObserver(this);
109 pthread_cond_destroy(&m_cond_input_data);
110 pthread_mutex_destroy(&m_mutex_input_data);
111 pthread_mutex_destroy(&m_mutex_output_data);
116 void Msg_Thread::socketNotify(int event)
118 if (event & SOCKET_OBSERVE_READ)
121 read(m_fd[0], buf, 1);
122 pthread_mutex_lock(&m_mutex_output_data);
123 IMsg_Thread *out = m_output.dequeue();
124 pthread_mutex_unlock(&m_mutex_output_data);
130 void Msg_Thread::run(void *p)
134 pthread_mutex_lock(&m_mutex_input_data);
135 while (!m_stop_flag && m_input.size() == 0)
136 pthread_cond_wait(&m_cond_input_data, &m_mutex_input_data);
139 pthread_mutex_unlock(&m_mutex_input_data);
142 IMsg_Thread *in = m_input.dequeue();
143 pthread_mutex_unlock(&m_mutex_input_data);
145 IMsg_Thread *out = in->handle();
146 pthread_mutex_lock(&m_mutex_output_data);
147 m_output.enqueue(out);
149 write(m_fd[1], "", 1);
150 pthread_mutex_unlock(&m_mutex_output_data);
154 void Msg_Thread::put(IMsg_Thread *m)
156 pthread_mutex_lock(&m_mutex_input_data);
158 pthread_cond_signal(&m_cond_input_data);
159 pthread_mutex_unlock(&m_mutex_input_data);
164 * indent-tabs-mode: nil
166 * vim: shiftwidth=4 tabstop=8 expandtab