- Fedora 11 (Russian Remix). 2.6.29.4-167.fc11.i686.PAE. M Maxon
Minimax MM-5500U (CDC ACM ). /etc/wvdial.conf, /etc/resolv.conf
.
chestnut-dialer (. 0.3.3) ( wvdial).
1.
. . ,
/dev/ttyACM0.
udevadm monitor , Udev.
2.
. . ( /dev/ttyACM0
). - /dev/ttyACM0 .
. .
.
, , Ubuntu 9.10
Linux. ,
cdc-acm .
udev.
plug/unplug /dev/ttyACM0..n.
. udev ( ).
( Fedora 11 Russian Remix)
Ubuntu 9.10 ( udev 141 147 ).
// File minimaxd.c
//
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <signal.h>
#include <syslog.h>
#define TMP_FILE__PID "/tmp/minimaxd.pid"
#define TMP_FILE__LSUSB "/tmp/lsusbminimax.tmp"
#define PATH_CDC_ACM_MODULE "/sys/module/cdc_acm/initstate"
#define PATH_MODEM_TTY "/dev/ttyACM0"
#define CHECK_MODEM_PLUG_STR "lsusb | grep Qualcomm > /tmp/lsusbminimax.tmp"
int fileexist(const char* filename);
void kill_copy_daemon();
void start_restart();
void stop();
int CheckPlugModem();
void wait_cdc_acm_control();
int CheckPid();
void SetPid();
int GetPid();
void PrintMessageToLog(char* szMessage);
int main(int argc, char* argv[])
{
if(argc==2)
{
if((!strcmp("start",argv[1]))||(!strcmp("restart",argv[1])))
{
kill_copy_daemon();
wait_cdc_acm_control();
}
else
if(!strcmp("stop",argv[1])) kill_copy_daemon();
}
else
{
printf("Start/Restart MiniMax Modem Access:\nminimaxd start|stop|restart\n");
printf("Background start:\nminimaxd start &\n");
}
return 0;
}
int fileexist(const char* filename)
{
int res = 0;
FILE* f=fopen(filename,"rt");
if(f!=NULL) { fclose(f); res=1; }
return res;
}
void kill_copy_daemon()
{
char cmd[255]="";
int pid = GetPid();
if(pid>0)
{
kill((pid_t)(pid), SIGKILL);
strcpy(cmd,"rm -f "); strcat(cmd,TMP_FILE__PID); system(cmd);
strcpy(cmd,"rm -f "); strcat(cmd,TMP_FILE__LSUSB); system(cmd);
PrintMessageToLog("Modem service is stopped");
}
}
void start_restart()
{
system("rm -f /dev/modem");
system("rm -f /dev/ttyACM*");
system("rmmod cdc-acm");
system("modprobe cdc-acm");
system("mknod /dev/ttyACM0 c 166 0");
system("chmod 666 /dev/ttyACM*");
system("ln -s /dev/ttyACM0 /dev/modem");
PrintMessageToLog("Modem service started");
}
void stop()
{
system("rmmod cdc-acm");
system("rm -f /dev/modem");
system("rm -f /dev/ttyACM*");
PrintMessageToLog("Modem service is stopped");
}
int CheckPlugModem()
{
char str[255]="";
int res = 0;
system(CHECK_MODEM_PLUG_STR);
sleep(2);
FILE* f=fopen(TMP_FILE__LSUSB,"rt");
if(f!=NULL)
{
strcpy(str,"");
fscanf(f,"%s",str);
fclose(f);
if(strlen(str)>0) res = 1;
}
return res;
}
void wait_cdc_acm_control()
{
int fl_CDC_ACM_OK=0;
int fl_ttyACM0_OK=0;
if(!CheckPid())
{
SetPid();
while(1)
{
fl_CDC_ACM_OK=fileexist(PATH_CDC_ACM_MODULE);
if(CheckPlugModem())
{
fl_ttyACM0_OK=fileexist(PATH_MODEM_TTY);
if((fl_CDC_ACM_OK==1)&&(fl_ttyACM0_OK==0)) start_restart();
else
if((fl_CDC_ACM_OK==0)&&(fl_ttyACM0_OK==0)) start_restart();
}
else
{
if(fl_CDC_ACM_OK) stop();
}
sleep(3);
}
}
}
int CheckPid()
{
return fileexist(TMP_FILE__PID);
}
void SetPid()
{
pid_t pid = getpid();
FILE* f=fopen(TMP_FILE__PID,"wt");
if(f!=NULL)
{
fprintf(f,"%d",pid);
fclose(f);
}
}
int GetPid()
{
int res = 0;
FILE* f=fopen(TMP_FILE__PID,"rt");
if(f!=NULL)
{
fscanf(f,"%d",&res);
fclose(f);
}
else res = -3;
return res;
}
void PrintMessageToLog(char* szMessage)
{
openlog("MINIMAXD", LOG_ODELAY, LOG_USER);
syslog(LOG_INFO, "%s", szMessage);
closelog();
}
:
gcc ./minimaxd.c -o minimaxd
64- :
gcc ./minimaxd.c -m64 -o minimaxd
minimaxd /usr/local/bin/
root.
.
:
# minimaxd start
:
# minimaxd start &
usb-, 5 .
. .
, 5 . .
Ok, .
minimaxd, , :
# minimaxd stop
.
/etc/rc.d/init.d ( minimaxdaemon)
"":
#!/bin/sh
# startup script for Minimax daemon (/usr/local/bin/minimaxd)
DAEMON=/usr/local/bin/minimaxd
minimaxdaemon_start ()
{
echo -n "Starting ${DAEMON}: "
${DAEMON} start &
}
minimaxdaemon_stop ()
{
echo -n "Shutting down ${DAEMON}: "
${DAEMON} stop
}
minimaxdaemon_restart ()
{
echo -n "Restarting ${DAEMON}: "
${DAEMON} restart &
}
case $1 in
start)
minimaxdaemon_start
;;
stop)
minimaxdaemon_stop
;;
status)
echo "${DAEMON}:" `pidof ${DAEMON}`
;;
restart)
minimaxdaemon_restart
;;
*)
echo "Usage: minimaxdaemon {start|stop|restart|status}"
exit 1
;;
esac
exit 0
minimaxdaemon rc?.d. ,
Fedora 11 (Russion Remix):
ln -s /etc/rc.d/init.d/minimaxdaemon /etc/rc.d/rc0.d/K01minimaxdaemon
ln -s /etc/rc.d/init.d/minimaxdaemon /etc/rc.d/rc6.d/K01minimaxdaemon
ln -s /etc/rc.d/init.d/minimaxdaemon /etc/rc.d/rc5.d/S96minimaxdaemon
minimaxd .
, ,
cdc-acm. ( sleep) .
, cdc-acm-
/dev/ttyACM0-. , ,
lsusb
:
lsusb | grep Qualcomm > /tmp/lsusbminimax.tmp
.. , , , :
Bus 009 Device 003: ID 05c6:3196 Qualcomm, Inc. CDMA Wireless Modem
"Qualcomm".
.
