1 /*
2 * atobj-sm.h --
3 *
4 * this is a simple animator session manager
5 *
6 * Copyright (c) 1997-2002 The Regents of the University of California.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions are met:
11 *
12 * A. Redistributions of source code must retain the above copyright notice,
13 * this list of conditions and the following disclaimer.
14 * B. Redistributions in binary form must reproduce the above copyright notice,
15 * this list of conditions and the following disclaimer in the documentation
16 * and/or other materials provided with the distribution.
17 * C. Neither the names of the copyright holders nor the names of its
18 * contributors may be used to endorse or promote products derived from this
19 * software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
22 * IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
23 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 *
33 * $Header: /usr/mash/src/repository/mash/mash-1/atobj/atobj-sm.h,v 1.7 2002/02/03 03:10:21 lim Exp $
34 */
35
36 #ifndef ATOBJ_MGR_H
37 #define ATOBJ_MGR_H
38
39 #include <srm/session-srm.h>
40 #include "atobj-rreq.h"
41 #include "atobj-rcvr.h"
42
43 /* this is a simple animator session manager */
44 class AtobjSM : public SRM_AppMgr {
45 public:
46 AtobjSM();
47
48 virtual ~AtobjSM();
49
50 virtual int command(int argc, const char*const* argv);
51
52 /* returns time of day, in hundreths of seconds. */
53 n_long currTime() const {
54 struct timeval tv;
55 gettimeofday(&tv, 0);
56 return (100 * tv.tv_sec + (tv.tv_usec / 10000));
57 }
58 AtobjRcvr* get_rcvr(const SrcId& srcId);
59 AtobjRcvr* define_rcvr(const SrcId& srcId);
60
61 /* caller tells manager that it has len bytes ready to be sent*/
62 RetCode begin_xmit(int len) {
63 if (len) return pSession_->begin_xmit(len);
64 return FALSE;
65 }
66
67 /* virtual SRM_AppMgr functions*/
68 virtual int next_ADU(Byte *pb, int len, srm_src& /*addr*/,
69 int &type, int& next) {
70 next=0;
71 type = APP_DATA;
72 /* TODO: should poll all receivers or preq as well*/
73 int outlen=(pLocalRcvr_->next_ADU(pb, len));
74 Trace(VERYVERBOSE,("S %d b",outlen));
75 return outlen;
76 }
77
78 virtual SRM_PacketHandler *new_source(const srm_src &sid, int islocal);
79 virtual void handle_request(const SrcId& sidRqtSrc, Byte *pb, int len);
80 virtual void handle_reply(const SrcId& sidRpySrc, Byte *pb, int len);
81
82 void schedRequest(Atobj_request* pRequest, const SrcId& sid ) {
83 pSession_->sched_request(pRequest, sid);
84 }
85 void schedReply(Atobj_reply* pReply, const SrcId& sid) {
86 pSession_->sched_reply(pReply, sid);
87 }
88
89 /* REVIEW: srm should change to u_int */
90 virtual void handle_SA(const SrcId& sid, Byte *pb, int len);
91
92 virtual int periodic_update(Byte *pb);
93
94 void setSession(SRM_Session *pSession) { pSession_ = pSession; }
95
96 /* returns the size of the maximum packet len*/
97 u_short getMTU() {
98 /* REVIEW: this should be from SRM*/
99 return SRM_MTU;
100 }
101 u_short getMaxCmdSz() {
102 /* note: need to subtract from Pkt_Reply because we have to be */
103 /* able to send it out the command as a reply...*/
104 return SRM_MTU-sizeof(Pkt_PageHdr)-sizeof(Pkt_reply);
105 }
106
107 #ifdef MB_DEBUG
108 void Dump(int dumptype);
109 #endif
110
111 private:
112 AtobjRcvr* pLocalRcvr_;
113 SRM_Session* pSession_;
114 Tcl_HashTable *phtRcvrs_;
115 };
116
117 #endif /* #ifdef ATOBJ_MGR_H */
118
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