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1.1 root 1: /***********************************************************
2: Copyright IBM Corporation 1987
3:
4: All Rights Reserved
5:
6: Permission to use, copy, modify, and distribute this software and its
7: documentation for any purpose and without fee is hereby granted,
8: provided that the above copyright notice appear in all copies and that
9: both that copyright notice and this permission notice appear in
10: supporting documentation, and that the name of IBM not be
11: used in advertising or publicity pertaining to distribution of the
12: software without specific, written prior permission.
13:
14: IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
15: ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
16: IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
17: ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
18: WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
19: ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
20: SOFTWARE.
21:
22: ******************************************************************/
23:
24: /*
25: * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
26: */
27: /*
28: * ARGO TP
29: *
30: * $Header: tp_trace.c,v 5.3 88/11/18 17:29:14 nhall Exp $
31: * $Source: /usr/argo/sys/netiso/RCS/tp_trace.c,v $
32: * @(#)tp_trace.c 7.3 (Berkeley) 8/29/89 *
33: *
34: * The whole protocol trace module.
35: * We keep a circular buffer of trace structures, which are big
36: * unions of different structures we might want to see.
37: * Unfortunately this gets too big pretty easily. Pcbs were removed
38: * from the tracing when the kernel got too big to boot.
39: */
40:
41: #ifndef lint
42: static char *rcsid = "$Header: tp_trace.c,v 5.3 88/11/18 17:29:14 nhall Exp $";
43: #endif lint
44:
45: #define TP_TRACEFILE
46:
47: #include "param.h"
48: #include "systm.h"
49: #include "mbuf.h"
50: #include "socket.h"
51: #include "types.h"
52: #include "time.h"
53:
54: #include "tp_param.h"
55: #include "tp_timer.h"
56: #include "tp_stat.h"
57: #include "tp_param.h"
58: #include "tp_ip.h"
59: #include "tp_pcb.h"
60: #include "tp_tpdu.h"
61: #include "argo_debug.h"
62: #include "tp_trace.h"
63:
64: #ifdef TPPT
65: static tp_seq = 0;
66: u_char tp_traceflags[128];
67:
68: /*
69: * The argument tpcb is the obvious.
70: * event here is just the type of trace event - TPPTmisc, etc.
71: * The rest of the arguments have different uses depending
72: * on the type of trace event.
73: */
74: /*ARGSUSED*/
75: /*VARARGS*/
76:
77: void
78: tpTrace(tpcb, event, arg, src, len, arg4, arg5)
79: struct tp_pcb *tpcb;
80: u_int event, arg;
81: u_int src;
82: u_int len;
83: u_int arg4;
84: u_int arg5;
85: {
86: register struct tp_Trace *tp;
87:
88: tp = &tp_Trace[tp_Tracen++];
89: tp_Tracen %= TPTRACEN;
90:
91: tp->tpt_event = event;
92: tp->tpt_tseq = tp_seq++;
93: tp->tpt_arg = arg;
94: if(tpcb)
95: tp->tpt_arg2 = tpcb->tp_lref;
96: bcopy( (caddr_t)&time, (caddr_t)&tp->tpt_time, sizeof(struct timeval) );
97:
98: switch(event) {
99:
100: case TPPTertpdu:
101: bcopy((caddr_t)src, (caddr_t)&tp->tpt_ertpdu,
102: (unsigned)MIN((int)len, sizeof(struct tp_Trace)));
103: break;
104:
105: case TPPTusrreq:
106: case TPPTmisc:
107:
108: /* arg is a string */
109: bcopy((caddr_t)arg, (caddr_t)tp->tpt_str,
110: (unsigned)MIN(1+strlen((caddr_t) arg), TPTRACE_STRLEN));
111: tp->tpt_m2 = src;
112: tp->tpt_m3 = len;
113: tp->tpt_m4 = arg4;
114: tp->tpt_m1 = arg5;
115: break;
116:
117: case TPPTgotXack:
118: case TPPTXack:
119: case TPPTsendack:
120: case TPPTgotack:
121: case TPPTack:
122: case TPPTindicate:
123: default:
124: case TPPTdriver:
125: tp->tpt_m2 = arg;
126: tp->tpt_m3 = src;
127: tp->tpt_m4 = len;
128: tp->tpt_m5 = arg4;
129: tp->tpt_m1 = arg5;
130: break;
131: case TPPTparam:
132: bcopy((caddr_t)src, (caddr_t)&tp->tpt_param, sizeof(struct tp_param));
133: break;
134: case TPPTref:
135: bcopy((caddr_t)src, (caddr_t)&tp->tpt_ref, sizeof(struct tp_ref));
136: break;
137:
138: case TPPTtpduin:
139: case TPPTtpduout:
140: tp->tpt_arg2 = arg4;
141: bcopy((caddr_t)src, (caddr_t)&tp->tpt_tpdu,
142: (unsigned)MIN((int)len, sizeof(struct tp_Trace)));
143: break;
144: }
145: }
146: #endif TPPT
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