lcr/trace.c

293 lines
7.5 KiB
C

/*****************************************************************************\
** **
** 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));
}