summaryrefslogtreecommitdiffstats
path: root/trace.c
blob: e5e9a2ed8882d53b88d816c5a1b620bf9d65d006 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
/*****************************************************************************\
**                                                                           **
** Linux Call Router                                                         **
**                                                                           **
**---------------------------------------------------------------------------**
** Copyright: Andreas Eversberg                                              **
**                                                                           **
** trace functions                                                           **
**                                                                           **
\*****************************************************************************/ 

#include "main.h"

struct trace trace;
char trace_string[MAX_TRACE_ELEMENTS * 100 + 400];

static char *spaces[11] = {
	"          ",
	"         ",
	"        ",
	"       ",
	"      ",
	"     ",
	"    ",
	"   ",
	"  ",
	" ",
	"",
};

/*
 * initializes a new trace
 * all values will be reset
 */
void start_trace(int port, struct interface *interface, char *caller, char *dialing, int direction, int category, int serial, char *name)
{
	if (trace.name[0])
		PERROR("trace already started (name=%s)\n", trace.name);
	memset(&trace, 0, sizeof(struct trace));
	trace.port = port;
	if (interface)
		SCPY(trace.interface, interface->name);
	if (caller) if (caller[0])
		SCPY(trace.caller, caller);
	if (dialing) if (dialing[0])
		SCPY(trace.dialing, dialing);
	trace.direction = direction;
	trace.category = category;
	trace.serial = serial;
	if (name) if (name[0])
		SCPY(trace.name, name);
	trace.sec = now_tv.tv_sec;
	trace.usec = now_tv.tv_usec;
}


/*
 * adds a new element to the trace
 * if subelement is given, element will also contain a subelement
 * if multiple subelements belong to same element, name must be equal for all subelements
 */
void add_trace(char *name, char *sub, const char *fmt, ...)
{
	va_list args;

	if (!trace.name[0])
		PERROR("trace not started\n");
	
	/* check for required name value */
	if (!name)
		goto nostring;
	if (!name[0])
	{
		nostring:
		PERROR("trace with name=%s gets element with no string\n", trace.name);
		return;
	}
	
	/* write name, sub and value */
	SCPY(trace.element[trace.elements].name, name);
	if (sub) if (sub[0])
		SCPY(trace.element[trace.elements].sub, sub);
	if (fmt) if (fmt[0])
	{
		va_start(args, fmt);
		VUNPRINT(trace.element[trace.elements].value, sizeof(trace.element[trace.elements].value)-1, fmt, args);
		va_end(args);
	}

	/* increment elements */
	trace.elements++;
}


/*
 * prints trace to socket or log
 * detail: 1 = brief, 2=short, 3=long
 */
static char *print_trace(int detail, int port, char *interface, char *caller, char *dialing, int category)
{
	char buffer[256];
	time_t ti = trace.sec;
	struct tm *tm;
	struct mISDNport *mISDNport;
	int i;

	trace_string[0] = '\0'; // always clear string

	if (detail < 1)
		return(NULL);

	/* filter trace */
	if (port && trace.port)
		if (port != trace.port) return(NULL);
	if (interface) if (interface[0] && trace.interface[0])
		if (!!strcasecmp(interface, trace.interface)) return(NULL);
	if (caller) if (caller[0] && trace.caller[0])
		if (!!strcasecmp(caller, trace.caller)) return(NULL);
	if (dialing) if (dialing[0] && trace.dialing[0])
		if (!!strcasecmp(dialing, trace.dialing)) return(NULL);
	if (category && trace.category)
		if (category != trace.category) return(NULL);

	/* head */
	if (detail >= 3)
	{
		/* "Port: 1 (BRI PTMP TE)" */
		if (port)
		{
			mISDNport = mISDNport_first;
			while(mISDNport)
			{
				if (mISDNport->portnum == trace.port)
					break;
				mISDNport = mISDNport->next;
			}
			if (mISDNport)
				SPRINT(buffer, "Port: %d (%s %s %s)", port, (mISDNport->pri)?"PRI":"BRI", (mISDNport->ptp)?"PTP":"PTMP", (mISDNport->ntmode)?"NT":"TE");
			else
				SPRINT(buffer, "Port: %d (does not exist}\n", port);
			SCAT(trace_string, buffer);
		} else
			SCAT(trace_string, "Port: ---");

		if (trace.interface[0])
		{
			/* "  Interface: 'Ext'" */
			SPRINT(buffer, "  Interface: '%s'", trace.interface);
			SCAT(trace_string, buffer);
		} else
			SCAT(trace_string, "  Interface: ---");
			
		if (trace.caller[0])
		{
			/* "  Caller: '021256493'" */
			SPRINT(buffer, "  Caller: '%s'\n", trace.caller);
			SCAT(trace_string, buffer);
		} else
			SCAT(trace_string, "  Caller: ---\n");

		/* "Time: 25.08.73 05:14:39.282" */
		tm = localtime(&ti);
		SPRINT(buffer, "Time: %02d.%02d.%02d %02d:%02d:%02d.%03d", tm->tm_mday, tm->tm_mon+1, tm->tm_year%100, tm->tm_hour, tm->tm_min, tm->tm_sec, trace.usec/1000);
		SCAT(trace_string, buffer);

		if (trace.direction)
		{
			/* "  Direction: out" */
			SPRINT(buffer, "  Direction: %s", (trace.direction==DIRECTION_OUT)?"OUT":"IN");
			SCAT(trace_string, buffer);
		} else
			SCAT(trace_string, "  Direction: ---");

		if (trace.dialing[0])
		{
			/* "  Dialing: '57077'" */
			SPRINT(buffer, "  Dialing: '%s'\n", trace.dialing);
			SCAT(trace_string, buffer);
		} else
			SCAT(trace_string, "  Dialing: ---\n");

		SCAT(trace_string, "------------------------------------------------------------------------------\n");
	}

	/* "CH(45): CC_SETUP (net->user)" */
	switch (trace.category)
	{	case CATEGORY_CH:
		SCAT(trace_string, "CH");
		break;

		case CATEGORY_EP:
		SCAT(trace_string, "EP");
		break;

		default:
		SCAT(trace_string, "--");
	}
	if (trace.serial)
		SPRINT(buffer, "(%d): %s", trace.serial, trace.name[0]?trace.name:"<unknown>");
	else
		SPRINT(buffer, ": %s", trace.name[0]?trace.name:"<unknown>");
	SCAT(trace_string, buffer);

	/* elements */
	switch(detail)
	{
		case 1: /* brief */
		i = 0;
		while(i < trace.elements)
		{
			SPRINT(buffer, "  %s", trace.element[i].name);
			if (i) if (!strcmp(trace.element[i].name, trace.element[i-1].name))
				buffer[0] = '\0';
			SCAT(trace_string, buffer);
			if (trace.element[i].sub[0])
				SPRINT(buffer, " %s=", trace.element[i].sub);
			else
				SPRINT(buffer, " ");
			SCAT(trace_string, buffer);
			if (strchr(trace.element[i].value, ' '))
				SPRINT(buffer, "'%s'", trace.element[i].value);
			else
				SPRINT(buffer, "%s", trace.element[i].value);
			SCAT(trace_string, buffer);
			i++;
		}
		SCAT(trace_string, "\n");
		break;

		case 2: /* short */
		case 3: /* long */
		SCAT(trace_string, "\n");
		i = 0;
		while(i < trace.elements)
		{
			SPRINT(buffer, " %s%s", trace.element[i].name, spaces[strlen(trace.element[i].name)]);
			if (i) if (!strcmp(trace.element[i].name, trace.element[i-1].name))
				SPRINT(buffer, "           ");
			SCAT(trace_string, buffer);
			if (trace.element[i].sub[0])
				SPRINT(buffer, " : %s%s = ", trace.element[i].sub, spaces[strlen(trace.element[i].sub)]);
			else
				SPRINT(buffer, " :              ");
			SCAT(trace_string, buffer);
			if (strchr(trace.element[i].value, ' '))
				SPRINT(buffer, "'%s'\n", trace.element[i].value);
			else
				SPRINT(buffer, "%s\n", trace.element[i].value);
			SCAT(trace_string, buffer);
			i++;
		}
		break;
	}

	/* end */
	if (detail >= 3)
		SCAT(trace_string, "\n");
	return(trace_string);
}


/*
 * trace ends
 * this function will put the trace to sockets and logfile, if requested
 */
void end_trace(void)
{
	char *string;

	if (!trace.name[0])
		PERROR("trace not started\n");
	
	/* process log file */
	if (options.deb)
	{
		string = print_trace(1, 0, NULL, NULL, NULL, 0);
		if (string)
		{
			debug(NULL, 0, "trace", string);
		}
	}
printf("%s", print_trace(3, 0, NULL, NULL, NULL, 0));
#warning trace auch zum socket
//	fwrite(string, strlen(string), 1, fp);

	memset(&trace, 0, sizeof(struct trace));
}