1 /* This file is part of the yazpp toolkit.
2 * Copyright (C) 1998-2009 Index Data and Mike Taylor
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of Index Data nor the names of its contributors
13 * may be used to endorse or promote products derived from this
14 * software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #ifndef YAZ_PDU_ASSOC_INCLUDED
29 #define YAZ_PDU_ASSOC_INCLUDED
31 #include <yaz/comstack.h>
32 #include <yazpp/socket-observer.h>
33 #include <yazpp/pdu-observer.h>
36 /** Simple Protocol Data Unit Assocation.
37 This object sends - and receives PDU's using the COMSTACK
38 network utility. To use the association in client role, use
39 the method connect. The server role is initiated by using the
42 class YAZ_EXPORT PDU_Assoc : public IPDU_Observable, yazpp_1::ISocketObserver {
43 friend class PDU_AssocThread;
55 PDU_Queue(const char *buf, int len);
62 PDU_Assoc *m_children;
65 yazpp_1::ISocketObservable *m_socketObservable;
66 IPDU_Observer *m_PDU_Observer;
69 PDU_Queue *m_queue_out;
70 PDU_Queue *m_queue_in;
75 void init(yazpp_1::ISocketObservable *socketObservable);
76 bool m_session_is_dead;
78 COMSTACK comstack(const char *type_and_host, void **vp);
79 /// Create object using specified socketObservable
80 PDU_Assoc(yazpp_1::ISocketObservable *socketObservable);
81 /// Create Object using existing comstack
82 PDU_Assoc(yazpp_1::ISocketObservable *socketObservable,
84 /// Close socket and destroy object.
85 /// virtual ~PDU_Assoc();
87 IPDU_Observable *clone();
89 int send_PDU(const char *buf, int len);
90 /// connect to server (client role)
91 int connect(IPDU_Observer *observer, const char *addr);
92 /// listen for clients (server role)
93 int listen(IPDU_Observer *observer, const char *addr);
94 /// Socket notification
95 void socketNotify(int event);
101 void idleTime (int timeout);
103 virtual void childNotify(COMSTACK cs);
105 void close_session();
106 const char *getpeername();
109 class YAZ_EXPORT PDU_AssocThread : public PDU_Assoc {
111 PDU_AssocThread(yazpp_1::ISocketObservable *socketObservable);
113 void childNotify(COMSTACK cs);
123 * c-file-style: "Stroustrup"
124 * indent-tabs-mode: nil
126 * vim: shiftwidth=4 tabstop=8 expandtab