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|
/*
* Copyright (c) 1998,1999 Martin Husemann. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
* 4. Altered versions must be plainly marked as such, and must not be
* misrepresented as being the original software and/or documentation.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*---------------------------------------------------------------------------
*
* i4b daemon - network monitor client
* -----------------------------------
*
* $Id: main.c,v 1.35 2000/08/24 11:48:57 hm Exp $
*
* $FreeBSD$
*
* last edit-date: [Mon Dec 13 21:52:11 1999]
*
*---------------------------------------------------------------------------*/
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <signal.h>
#include <time.h>
#include <errno.h>
#ifndef WIN32
#include <unistd.h>
#include <netdb.h>
#endif
#include <sys/types.h>
#ifndef WIN32
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/un.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#else
#include <stdarg.h>
#include <windows.h>
extern char *optarg;
int getopt(int nargc, char * const nargv[], const char *ostr);
#define close(f) closesocket(f)
#define sleep(s) Sleep(s*1000)
#define vsnprintf _vsnprintf
#define ssize_t long
#endif
#ifdef ERROR
#undef ERROR
#endif
#ifdef __FreeBSD__
#include <osreldate.h>
#endif
#define MAIN
#include "monprivate.h"
#undef MAIN
#ifndef AF_LOCAL
#define AF_LOCAL AF_UNIX
#endif
#ifdef DEBUG
#include <ctype.h>
#endif
#include "monitor.h"
/*
* Local function prototypes
*/
static int connect_local(char *sockpath);
static int connect_remote(char *host, int portno);
static void usage();
static void mloop();
static void handle_input();
static void print_menu();
static void print_logevent(time_t tstamp, int prio, char * what, char * msg);
static void print_charge(time_t tstamp, int controller, int channel, int units, int estimated);
static void print_connect(time_t tstamp, int dir, int controller, int channel, char * cfgname, char * devname, char * remphone, char * locphone);
static void print_disconnect(time_t tstamp, int controller, int channel);
static void print_updown(time_t tstamp, int contoller, int channel, int isup);
static void handle_event(u_int8_t *msg, int len);
#ifdef DEBUG
static void dump_event(u_int8_t *msg, int len, int readflag);
#endif
static ssize_t sock_read(int fd, void *buf, size_t nbytes);
static ssize_t sock_write(int fd, void *buf, size_t nbytes);
static void mprintf(char *fmt, ...);
/*
* Global variables
*/
static int debug = 0;
#define DBG_DUMPALL 0x01
#define DBG_PSEND 0x02
static int monsock = -1;
static int state = ST_INIT;
static int sub_state = 0;
static int sub_state_count = 0;
static int isdn_major = 0;
static int isdn_minor = 0;
static u_int32_t rights = 0;
static char *logfilename = NULL;
static FILE *lfp = NULL;
/*---------------------------------------------------------------------------
* Display usage and exit
*---------------------------------------------------------------------------*/
static void
usage()
{
fprintf(stderr, "\n");
fprintf(stderr, "isdnmonitor - version %02d.%02d.%d, %s %s (protocol %02d.%02d)\n", VERSION, REL, STEP, __DATE__, __TIME__, MPROT_VERSION, MPROT_REL);
#ifdef FOREIGN
fprintf(stderr, " usage: isdnmonitor [-c] [-d val] [-f name] [-h host] [-p port]\n");
#else
fprintf(stderr, " usage: isdnmonitor [-c] [-d val] [-f name] [-h host] [-l path] [-p port]\n");
#endif
fprintf(stderr, " -c switch to curses fullscreen output\n");
fprintf(stderr, " -d <val> debug flags (see source ...)\n");
fprintf(stderr, " -dn no debug output on fullscreen display\n");
fprintf(stderr, " -f <name> filename to log output to\n");
fprintf(stderr, " -h <host> hostname/address to connect to\n");
#ifndef FOREIGN
fprintf(stderr, " -l <path> pathname to local domain socket to connect to\n");
#endif
fprintf(stderr, " -p <port> portnumber to use to connect to remote host\n");
exit(1);
}
/*---------------------------------------------------------------------------
* Parse command line, startup monitor client
*---------------------------------------------------------------------------*/
int main(int argc, char **argv)
{
int i;
#ifdef WIN32
WSADATA wsCaps;
WSAStartup(MAKEWORD(2, 0), &wsCaps);
#endif
portno = DEF_MONPORT;
devbuf[0] = '\0';
#ifndef FOREIGN
while((i = getopt(argc, argv, "cd:f:h:p:l:")) != -1)
#else
while((i = getopt(argc, argv, "cd:f:h:p:")) != -1)
#endif
{
switch(i)
{
case 'c':
fullscreen = 1;
break;
case 'd':
if(*optarg == 'n')
{
debug_noscreen = 1;
}
else
{
if((sscanf(optarg, "%i", &debug)) != 1)
usage();
}
break;
case 'f':
logfilename = optarg;
break;
case 'h':
hostname = optarg;
break;
#ifndef FOREIGN
case 'l':
sockpath = optarg;
break;
#endif
case 'p':
if((sscanf(optarg, "%i", &portno)) != 1)
usage();
break;
default:
usage();
break;
}
}
#ifndef FOREIGN
if(hostname && sockpath)
{
fprintf(stderr, "Error: can not use local socket path on remote machine\n"
"conflicting options -h and -l!\n");
return 1;
}
if(sockpath)
{
monsock = connect_local(sockpath);
}
else if(hostname)
#else
if(hostname)
#endif
{
monsock = connect_remote(hostname, portno);
}
else
{
usage();
}
if(monsock == -1)
{
fprintf(stderr, "Could not connect to i4b isdn daemon.\n");
return 1;
}
if(logfilename != NULL)
{
if((lfp = fopen(logfilename, "w")) == NULL)
{
fprintf(stderr, "could not open logfile [%s], %s\n", logfilename, strerror(errno));
exit(1);
}
}
#ifndef WIN32
signal(SIGPIPE, SIG_IGN);
#endif
mloop();
close(monsock);
return 0;
}
/*---------------------------------------------------------------------------
* Connect via tcp/ip.
* Return socket if successfull, -1 on error.
---------------------------------------------------------------------------*/
static int
connect_remote(char *host, int portno)
{
struct sockaddr_in sa;
struct hostent *h;
int remotesockfd;
h = gethostbyname(host);
if(!h)
{
fprintf(stderr, "could not resolve hostname '%s'\n", host);
exit(1);
}
remotesockfd = socket(AF_INET, SOCK_STREAM, 0);
if(remotesockfd == -1)
{
fprintf(stderr, "could not create remote monitor socket: %s\n", strerror(errno));
exit(1);
}
memset(&sa, 0, sizeof(sa));
#ifdef BSD4_4
sa.sin_len = sizeof(sa);
#endif
sa.sin_family = AF_INET;
sa.sin_port = htons(portno);
memcpy(&sa.sin_addr.s_addr, h->h_addr_list[0], sizeof(sa.sin_addr.s_addr));
if(connect(remotesockfd, (struct sockaddr *)&sa, sizeof(sa)) == -1)
{
fprintf(stderr, "could not connect remote monitor: %s\n", strerror(errno));
exit(1);
}
return remotesockfd;
}
#ifndef FOREIGN
/*---------------------------------------------------------------------------
* Connect local.
* Return socket on success, -1 on failure.
*---------------------------------------------------------------------------*/
static int
connect_local(char *sockpath)
{
int s;
struct sockaddr_un sa;
/* check path length */
if(strlen(sockpath) >= sizeof(sa.sun_path))
{
fprintf(stderr, "pathname to long for local socket: %s\n",
sockpath);
exit(1);
}
/* create and setup socket */
s = socket(AF_LOCAL, SOCK_STREAM, 0);
if(s == -1)
{
fprintf(stderr, "could not create local monitor socket:%s\n", strerror(errno));
exit(1);
}
memset(&sa, 0, sizeof(sa));
sa.sun_len = sizeof(sa);
sa.sun_family = AF_LOCAL;
strcpy(sa.sun_path, sockpath);
if(connect(s, (struct sockaddr *)&sa, sizeof(sa)))
{
fprintf(stderr, "could not connect local monitor socket [%s]: %s\n", sockpath, strerror(errno));
}
return s;
}
#endif
/*---------------------------------------------------------------------------*
* data from keyboard available, read and process it
*---------------------------------------------------------------------------*/
#ifndef WIN32
static void
kbdrdhdl(void)
{
int ch = getch();
switch(ch)
{
case 0x0c: /* control L */
wrefresh(curscr);
break;
case '\n':
case '\r':
do_menu();
break;
}
}
#endif
/*---------------------------------------------------------------------------
* main event loop
*---------------------------------------------------------------------------*/
static void
mloop()
{
for(;;)
{
fd_set rd, wr, ex;
FD_ZERO(&rd);
FD_ZERO(&wr);
FD_ZERO(&ex);
FD_SET(fileno(stdin), &rd);
FD_SET(monsock, &rd);
select(monsock+1, &rd, &wr, &ex, NULL);
if(FD_ISSET(fileno(stdin), &rd))
{
#ifndef WIN32
if(fullscreen && curses_ready)
kbdrdhdl();
else
#endif
if(!fullscreen)
handle_input();
else
getchar();
}
if(FD_ISSET(monsock, &rd))
{
u_int8_t buf[8192];
int bytes, ret;
/* Network transfer may deliver two or more packets concatenated.
* Peek at the header and read only one event at a time... */
bytes = recv(monsock, buf, I4B_MON_EVNT_HDR, MSG_PEEK);
if(bytes == 0)
{
close(monsock);
#ifndef WIN32
if(curses_ready)
{
endwin();
curses_ready = 0;
}
#endif
mprintf("remote isdnd has closed our connection\n");
exit(0);
}
else if(bytes < 0)
{
fprintf(stderr, "recv error: %s\n", strerror(errno));
close(monsock);
exit(1);
}
if (bytes < I4B_MON_EVNT_HDR)
continue; /* errh? something must be wrong... */
bytes = I4B_GET_2B(buf, I4B_MON_EVNT_LEN);
if(bytes >= sizeof(buf))
{
fprintf(stderr, "mloop: socket recv buffer overflow %d!\n", bytes);
break;
}
/* now we know the size, it fits, so lets read it! */
ret = sock_read(monsock, buf, bytes);
if(ret == 0)
{
close(monsock);
#ifndef WIN32
if(curses_ready)
endwin();
#endif
mprintf("remote isdnd has closed our connection\n");
exit(0);
}
else if(ret < 0)
{
mprintf("error reading from isdnd: %s", strerror(errno));
break;
}
#ifdef DEBUG
if(debug & DBG_DUMPALL)
dump_event(buf, ret, 1);
#endif
handle_event(buf, ret);
}
}
}
#ifdef DEBUG
/*
* Dump a complete event packet.
*/
static void dump_event(u_int8_t *msg, int len, int read)
{
int i;
if(read)
mprintf("read from socket:");
else
mprintf("write to socket:");
for(i = 0; i < len; i++)
{
if(i % 8 == 0)
mprintf("\n%02d: ", i);
mprintf("0x%02x %c ", msg[i], isprint(msg[i]) ? msg[i] : '.');
}
mprintf("\n");
}
#endif
static void
print_logevent(time_t tstamp, int prio, char * what, char * msg)
{
char buf[256];
strftime(buf, sizeof(buf), I4B_TIME_FORMAT, localtime(&tstamp));
mprintf("log: %s prio %d what=%s msg=%s\n", buf, prio, what, msg);
#ifndef WIN32
if(fullscreen)
{
if((!debug_noscreen) || (debug_noscreen && (((strcmp(what, "DBG"))) != 0)))
{
/*
* FreeBSD-current integrated ncurses. Since then it is no longer possible
* to write to the last column in the logfilewindow without causing an
* automatic newline to occur resulting in a blank line in that window.
*/
#if defined(__FreeBSD_version) && __FreeBSD_version >= 400009
#warning "FreeBSD ncurses is buggy: write to last column = auto newline!"
wprintw(lower_w, "%s %s %-.*s\n", buf, what,
COLS-((strlen(buf))+(strlen(what))+3), msg);
#else
wprintw(lower_w, "%s %s %-.*s\n", buf, what,
(int)(COLS-((strlen(buf))+(strlen(what))+2)), msg);
#endif
wrefresh(lower_w);
}
}
#endif
}
static void
print_charge(time_t tstamp, int controller, int channel, int units, int estimated)
{
char buf[256];
strftime(buf, sizeof(buf), I4B_TIME_FORMAT, localtime(&tstamp));
mprintf("%s: controller %d, channel %d, charge = %d%s\n",
buf, controller, channel, units, estimated ? " (estimated)" : "");
#ifndef WIN32
if(fullscreen)
{
if(estimated)
display_ccharge(CHPOS(controller, channel), units);
else
display_charge(CHPOS(controller, channel), units);
}
#endif
}
/*
* Print a connect event.
* A real monitor would allocate state info for "channel" on this
* event.
*/
static void print_connect(
time_t tstamp, /* server time of event */
int outgoing, /* 0 = incoming, 1 = outgoing */
int controller, /* controller number */
int channel, /* channel no, used to identify this connection until disconnect */
char * cfgname, /* name of config entry/connection */
char * devname, /* device used (e.g. isp0) */
char * remphone, /* phone no of remote side */
char * locphone) /* local phone no */
{
char buf[256];
if(channel == 0)
remstate[controller].ch1state = 1;
else
remstate[controller].ch2state = 1;
strftime(buf, sizeof(buf), I4B_TIME_FORMAT, localtime(&tstamp));
if(outgoing)
mprintf("%s: calling out to '%s' [from msn: '%s']",
buf, remphone, locphone);
else
mprintf("%s: incoming call from '%s' [to msn: '%s']",
buf, remphone, locphone);
mprintf(", controller %d, channel %d, config '%s' on device '%s'\n",
controller, channel, cfgname, devname);
#ifndef WIN32
if(fullscreen)
display_connect(CHPOS(controller, channel), outgoing, cfgname, remphone, devname);
#endif
}
/*
* Print a disconnect event.
* A real monitor could free the "per connection" state
* for this channel now
*/
static void
print_disconnect(time_t tstamp, int controller, int channel)
{
char buf[256];
if(channel == 0)
remstate[controller].ch1state = 0;
else
remstate[controller].ch2state = 0;
strftime(buf, sizeof(buf), I4B_TIME_FORMAT, localtime(&tstamp));
mprintf("%s: controller %d, channel %d disconnected\n",
buf, controller, channel);
#ifndef WIN32
if(fullscreen)
display_disconnect(CHPOS(controller, channel));
#endif
}
/*
* Print an up- or down event
*/
static void
print_updown(time_t tstamp, int controller, int channel, int isup)
{
char buf[256];
strftime(buf, sizeof(buf), I4B_TIME_FORMAT, localtime(&tstamp));
mprintf("%s: channel %d is %s\n",
buf, channel, isup ? "up" : "down");
}
/*
* Print l1 / l2 status
*/
static void
print_l12stat(time_t tstamp, int controller, int layer, int state)
{
char buf[256];
strftime(buf, sizeof(buf), I4B_TIME_FORMAT, localtime(&tstamp));
mprintf("%s: layer %d change on controller %d: %s\n",
buf, layer, controller, state ? "up" : "down");
#ifndef WIN32
if(fullscreen)
display_l12stat(controller, layer, state);
#endif
}
/*
* Print TEI
*/
static void
print_tei(time_t tstamp, int controller, int tei)
{
char buf[256];
strftime(buf, sizeof(buf), I4B_TIME_FORMAT, localtime(&tstamp));
mprintf("%s: controller %d, TEI is %d\n",
buf, controller, tei);
#ifndef WIN32
if(fullscreen)
display_tei(controller, tei);
#endif
}
/*
* Print accounting information
*/
static void
print_acct(time_t tstamp, int controller, int channel, int obytes, int obps,
int ibytes, int ibps)
{
char buf[256];
strftime(buf, sizeof(buf), I4B_TIME_FORMAT, localtime(&tstamp));
mprintf("%s: controller %d, channel %d: %d obytes, %d obps, %d ibytes, %d ibps\n",
buf, controller, channel, obytes, obps, ibytes, ibps);
#ifndef WIN32
if(fullscreen)
display_acct(CHPOS(controller, channel), obytes, obps, ibytes, ibps);
#endif
}
static void
print_initialization(void)
{
#ifndef WIN32
if(fullscreen)
{
if(curses_ready == 0)
init_screen();
}
else
#endif
{
print_menu();
}
}
/*
* Dispatch one message received from the daemon.
*/
static void
handle_event(u_int8_t *msg, int len)
{
u_int8_t cmd[I4B_MON_ICLIENT_SIZE];
int local;
u_int32_t net;
u_int32_t mask;
u_int32_t who;
static int first = 1;
switch(state)
{
case ST_INIT: /* initial data */
isdn_major = I4B_GET_2B(msg, I4B_MON_IDATA_VERSMAJOR);
isdn_minor = I4B_GET_2B(msg, I4B_MON_IDATA_VERSMINOR);
nctrl = I4B_GET_2B(msg, I4B_MON_IDATA_NUMCTRL);
nentries = I4B_GET_2B(msg, I4B_MON_IDATA_NUMENTR);
rights = I4B_GET_4B(msg, I4B_MON_IDATA_CLACCESS);
mprintf("remote protocol version is %02d.%02d\n", isdn_major, isdn_minor);
if(isdn_major != MPROT_VERSION || isdn_minor != MPROT_REL)
{
fprintf(stderr, "ERROR, remote protocol version mismatch:\n");
fprintf(stderr, "\tremote major version is %02d, local major version is %02d\n", isdn_major, MPROT_VERSION);
fprintf(stderr, "\tremote minor version is %02d, local minor version is %02d\n", isdn_minor, MPROT_REL);
exit(1);
}
mprintf("our rights = 0x%x\n", rights);
sub_state = 0;
first = 1;
if(nctrl > 0)
{
state = ST_ICTRL;
}
else if(nentries > 0)
{
state = ST_IDEV;
}
else
{
state = ST_ANYEV;
sleep(2);
print_initialization();
}
/* set maximum event mask */
I4B_PREP_CMD(cmd, I4B_MON_CCMD_SETMASK);
I4B_PUT_2B(cmd, I4B_MON_ICLIENT_VERMAJOR, MPROT_VERSION);
I4B_PUT_2B(cmd, I4B_MON_ICLIENT_VERMINOR, MPROT_REL);
I4B_PUT_4B(cmd, I4B_MON_ICLIENT_EVENTS, ~0U);
#ifdef DEBUG
if(debug & DBG_DUMPALL)
dump_event(cmd, sizeof(cmd), 0);
#endif
if((sock_write(monsock, cmd, sizeof(cmd))) == -1)
{
fprintf(stderr, "sock_write failed: %s\n", strerror(errno));
exit(1);
}
break;
case ST_ICTRL: /* initial controller list */
if(first)
{
first = 0;
mprintf("%d controller(s) found:\n", nctrl);
}
mprintf("\tcontroller %d: %s\n", sub_state++, msg+I4B_MON_ICTRL_NAME);
if(sub_state >= nctrl)
{
sub_state = 0;
first = 1;
if(nentries > 0)
{
state = ST_IDEV; /* end of list reached */
}
else
{
state = ST_ANYEV;
sleep(2);
print_initialization();
}
}
break;
case ST_IDEV: /* initial entry devicename list */
if(first)
{
first = 0;
mprintf("%d entries found:\n", nentries);
}
mprintf("\tentry %d: device %s\n", sub_state++, msg+I4B_MON_IDEV_NAME);
strcat(devbuf, msg+I4B_MON_IDEV_NAME);
/* strcat(devbuf, " "); */
if(sub_state >= nentries)
{
first = 1;
state = ST_ANYEV; /* end of list reached */
sub_state = 0;
sleep(2);
print_initialization();
}
break;
case ST_ANYEV: /* any event */
switch(I4B_GET_2B(msg, I4B_MON_EVNT))
{
case I4B_MON_DRINI_CODE:
state = ST_RIGHT; /* list of rights entries will follow */
sub_state = 0;
sub_state_count = I4B_GET_2B(msg, I4B_MON_DRINI_COUNT);
mprintf("monitor rights:\n");
break;
case I4B_MON_DCINI_CODE:
state = ST_CONNS;
sub_state = 0;
sub_state_count = I4B_GET_2B(msg, I4B_MON_DCINI_COUNT);
mprintf("monitor connections:\n");
break;
case I4B_MON_LOGEVNT_CODE:
print_logevent(I4B_GET_4B(msg, I4B_MON_LOGEVNT_TSTAMP),
I4B_GET_4B(msg, I4B_MON_LOGEVNT_PRIO),
msg+I4B_MON_LOGEVNT_WHAT,
msg+I4B_MON_LOGEVNT_MSG);
break;
case I4B_MON_CHRG_CODE:
print_charge(I4B_GET_4B(msg, I4B_MON_CHRG_TSTAMP),
I4B_GET_4B(msg, I4B_MON_CHRG_CTRL),
I4B_GET_4B(msg, I4B_MON_CHRG_CHANNEL),
I4B_GET_4B(msg, I4B_MON_CHRG_UNITS),
I4B_GET_4B(msg, I4B_MON_CHRG_ESTIMATED));
break;
case I4B_MON_CONNECT_CODE:
print_connect(
I4B_GET_4B(msg, I4B_MON_CONNECT_TSTAMP),
I4B_GET_4B(msg, I4B_MON_CONNECT_DIR),
I4B_GET_4B(msg, I4B_MON_CONNECT_CTRL),
I4B_GET_4B(msg, I4B_MON_CONNECT_CHANNEL),
msg+I4B_MON_CONNECT_CFGNAME,
msg+I4B_MON_CONNECT_DEVNAME,
msg+I4B_MON_CONNECT_REMPHONE,
msg+I4B_MON_CONNECT_LOCPHONE);
break;
case I4B_MON_DISCONNECT_CODE:
print_disconnect(
I4B_GET_4B(msg, I4B_MON_DISCONNECT_TSTAMP),
I4B_GET_4B(msg, I4B_MON_DISCONNECT_CTRL),
I4B_GET_4B(msg, I4B_MON_DISCONNECT_CHANNEL));
break;
case I4B_MON_UPDOWN_CODE:
print_updown(
I4B_GET_4B(msg, I4B_MON_UPDOWN_TSTAMP),
I4B_GET_4B(msg, I4B_MON_UPDOWN_CTRL),
I4B_GET_4B(msg, I4B_MON_UPDOWN_CHANNEL),
I4B_GET_4B(msg, I4B_MON_UPDOWN_ISUP));
break;
case I4B_MON_L12STAT_CODE:
print_l12stat(
I4B_GET_4B(msg, I4B_MON_L12STAT_TSTAMP),
I4B_GET_4B(msg, I4B_MON_L12STAT_CTRL),
I4B_GET_4B(msg, I4B_MON_L12STAT_LAYER),
I4B_GET_4B(msg, I4B_MON_L12STAT_STATE));
break;
case I4B_MON_TEI_CODE:
print_tei(
I4B_GET_4B(msg, I4B_MON_TEI_TSTAMP),
I4B_GET_4B(msg, I4B_MON_TEI_CTRL),
I4B_GET_4B(msg, I4B_MON_TEI_TEI));
break;
case I4B_MON_ACCT_CODE:
print_acct(
I4B_GET_4B(msg, I4B_MON_ACCT_TSTAMP),
I4B_GET_4B(msg, I4B_MON_ACCT_CTRL),
I4B_GET_4B(msg, I4B_MON_ACCT_CHAN),
I4B_GET_4B(msg, I4B_MON_ACCT_OBYTES),
I4B_GET_4B(msg, I4B_MON_ACCT_OBPS),
I4B_GET_4B(msg, I4B_MON_ACCT_IBYTES),
I4B_GET_4B(msg, I4B_MON_ACCT_IBPS));
break;
default:
mprintf("unknown event code: %d\n", I4B_GET_2B(msg, I4B_MON_EVNT));
}
break;
case ST_RIGHT: /* one record in a list of monitor rights */
rights = I4B_GET_4B(msg, I4B_MON_DR_RIGHTS);
net = I4B_GET_4B(msg, I4B_MON_DR_NET);
mask = I4B_GET_4B(msg, I4B_MON_DR_MASK);
local = I4B_GET_1B(msg, I4B_MON_DR_LOCAL);
if(local)
{
mprintf("\tlocal: rights = %x\n", rights);
}
else
{
mprintf("\tfrom: %d.%d.%d.%d, mask %d.%d.%d.%d, rights = %x\n",
(net >> 24) & 0x00ff, (net >> 16) & 0x00ff, (net >> 8) & 0x00ff, net & 0x00ff,
(mask >> 24) & 0x00ff, (mask >> 16) & 0x00ff, (mask >> 8) & 0x00ff, mask & 0x00ff,
rights);
}
sub_state++;
if(sub_state >= sub_state_count)
{
state = ST_ANYEV;
print_initialization();
}
break;
case ST_CONNS:
who = I4B_GET_4B(msg, I4B_MON_DC_WHO);
rights = I4B_GET_4B(msg, I4B_MON_DC_RIGHTS);
mprintf("\tfrom: %d.%d.%d.%d, rights = %x\n",
(who >> 24) & 0x00ff, (who >> 16) & 0x00ff, (who >> 8) & 0x00ff, who & 0x00ff,
rights);
sub_state++;
if(sub_state >= sub_state_count)
{
state = ST_ANYEV;
print_initialization();
}
break;
default:
mprintf("unknown event from remote: local state = %d, evnt = %x, len = %d\n",
state, I4B_GET_2B(msg, I4B_MON_EVNT), len);
}
}
/*
* Process input from user
*/
static void
handle_input()
{
char buf[1024];
int channel, controller;
fgets(buf, sizeof(buf), stdin);
switch(atoi(buf))
{
case 1:
{
u_int8_t cmd[I4B_MON_DUMPRIGHTS_SIZE];
I4B_PREP_CMD(cmd, I4B_MON_DUMPRIGHTS_CODE);
#ifdef DEBUG
if(debug & DBG_DUMPALL)
dump_event(cmd, I4B_MON_DUMPRIGHTS_SIZE, 0);
#endif
if((sock_write(monsock, cmd, I4B_MON_DUMPRIGHTS_SIZE)) == -1)
{
fprintf(stderr, "sock_write failed: %s\n", strerror(errno));
exit(1);
}
}
break;
case 2:
{
u_int8_t cmd[I4B_MON_DUMPMCONS_SIZE];
I4B_PREP_CMD(cmd, I4B_MON_DUMPMCONS_CODE);
#ifdef DEBUG
if(debug & DBG_DUMPALL)
dump_event(cmd, I4B_MON_DUMPMCONS_CODE, 0);
#endif
if((sock_write(monsock, cmd, I4B_MON_DUMPMCONS_SIZE)) == -1)
{
fprintf(stderr, "sock_write failed: %s\n", strerror(errno));
exit(1);
}
}
break;
case 3:
{
u_int8_t cmd[I4B_MON_CFGREREAD_SIZE];
I4B_PREP_CMD(cmd, I4B_MON_CFGREREAD_CODE);
#ifdef DEBUG
if(debug & DBG_DUMPALL)
dump_event(cmd, I4B_MON_CFGREREAD_CODE, 0);
#endif
if((sock_write(monsock, cmd, I4B_MON_CFGREREAD_SIZE)) == -1)
{
fprintf(stderr, "sock_write failed: %s\n", strerror(errno));
exit(1);
}
}
break;
case 4:
{
u_int8_t cmd[I4B_MON_HANGUP_SIZE];
I4B_PREP_CMD(cmd, I4B_MON_HANGUP_CODE);
printf("Which controller you wish to hangup? ");
fgets(buf, sizeof(buf), stdin);
controller = atoi(buf);
I4B_PUT_4B(cmd, I4B_MON_HANGUP_CTRL, controller);
printf("Which channel do you wish to hangup? ");
fgets(buf, sizeof(buf), stdin);
channel = atoi(buf);
I4B_PUT_4B(cmd, I4B_MON_HANGUP_CHANNEL, channel);
#ifdef DEBUG
if(debug & DBG_DUMPALL)
dump_event(cmd, I4B_MON_HANGUP_CHANNEL, 0);
#endif
if((sock_write(monsock, cmd, I4B_MON_HANGUP_SIZE)) == -1)
{
fprintf(stderr, "sock_write failed: %s\n", strerror(errno));
exit(1);
}
}
break;
case 9:
close(monsock);
exit(0);
break;
default:
print_menu();
break;
}
}
void
reread(void)
{
u_int8_t cmd[I4B_MON_CFGREREAD_SIZE];
I4B_PREP_CMD(cmd, I4B_MON_CFGREREAD_CODE);
#ifdef DEBUG
if(debug & DBG_DUMPALL)
dump_event(cmd, I4B_MON_CFGREREAD_CODE, 0);
#endif
if((sock_write(monsock, cmd, I4B_MON_CFGREREAD_SIZE)) == -1)
{
fprintf(stderr, "sock_write failed: %s\n", strerror(errno));
exit(1);
}
}
void
hangup(int ctrl, int chan)
{
u_int8_t cmd[I4B_MON_HANGUP_SIZE];
I4B_PREP_CMD(cmd, I4B_MON_HANGUP_CODE);
I4B_PUT_4B(cmd, I4B_MON_HANGUP_CTRL, ctrl);
I4B_PUT_4B(cmd, I4B_MON_HANGUP_CHANNEL, chan);
#ifdef DEBUG
if(debug & DBG_DUMPALL)
dump_event(cmd, I4B_MON_HANGUP_CHANNEL, 0);
#endif
if((sock_write(monsock, cmd, I4B_MON_HANGUP_SIZE)) == -1)
{
fprintf(stderr, "sock_write failed: %s\n", strerror(errno));
exit(1);
}
}
/*
* Display menu
*/
static void
print_menu()
{
if(!fullscreen)
{
printf("Menu: <1> display rights, <2> display monitor connections,\n");
printf(" <3> reread config file, <4> hangup \n");
printf(" <9> quit isdnmonitor\n");
fflush(stdout);
}
}
static ssize_t
sock_read(int fd, void *buf, size_t nbytes)
{
size_t nleft;
ssize_t nread;
unsigned char *ptr;
ptr = buf;
nleft = nbytes;
while(nleft > 0)
{
if((nread = read(fd, ptr, nleft)) < 0)
{
if(errno == EINTR)
{
nread = 0;
}
else
{
return(-1);
}
}
else if(nread == 0)
{
break; /* EOF */
}
nleft -= nread;
ptr += nread;
}
return(nbytes - nleft);
}
static ssize_t
sock_write(int fd, void *buf, size_t nbytes)
{
size_t nleft;
ssize_t nwritten;
unsigned char *ptr;
ptr = buf;
nleft = nbytes;
while(nleft > 0)
{
if((nwritten = write(fd, ptr, nleft)) <= 0)
{
if(errno == EINTR)
{
nwritten = 0;
}
else
{
return(-1);
}
}
nleft -= nwritten;
ptr += nwritten;
}
return(nbytes);
}
static void
mprintf(char *fmt, ...)
{
#define PRBUFLEN 1024
char buffer[PRBUFLEN];
va_list ap;
va_start(ap, fmt);
vsnprintf(buffer, PRBUFLEN-1, fmt, ap);
va_end(ap);
if(!fullscreen || (fullscreen && (!curses_ready)))
printf("%s", buffer);
if(logfilename != NULL)
{
fprintf(lfp, "%s", buffer);
fflush(lfp);
}
}
/* EOF */
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