int CDiscoveryApp::ConfigureNetwork(IPSet_Msg &ipSet)
{
char IP_ethInterf[32]={0};
char Mask_ethInterf[32]={0};
in_addr ip = { ipSet.m_unIP_ethInterf} ;
in_addr mask = { ipSet.m_unMask_ethInterf} ;
memset(&IP_ethInterf, 0,sizeof(IP_ethInterf));
memset(&Mask_ethInterf, 0,sizeof(Mask_ethInterf));
strcpy( IP_ethInterf, inet_ntoa(ip));
strcpy( Mask_ethInterf, inet_ntoa(mask));
LOG( "releasing dhcp" );
system_to( 10, "killall -USR2 udhcpc" );
SetIP(m_szEthInterf, IP_ethInterf);
SetNetmask(m_szEthInterf, Mask_ethInterf);
SetDefaulRoute(ipSet.m_unDefaultGateway);
LOG( "dhcp renew" );
system_to( 10, "killall -USR1 udhcpc" );
return 1;
}
int main (int argc, char** argv)
{
if (argc<3)
{
printf("Usage: %s lock_file cmd_line [timeout]", argv[0] );
return 0;
}
g_stLog.OpenStdout();
int nTimeout = 600;
if (argc>=4)
{
nTimeout = atoi(argv[3]);
}
CFileLock oLock;
oLock.SetFile(argv[1]);
oLock.Lock();
int ret = system_to(nTimeout, argv[2]);
oLock.Unlock();
return ret;
}
int ExecSimpleBash2File( const char* p_pCmd, int p_nLen, const char* p_szFile )
{
char szBuff[1024];
sprintf( szBuff, "echo -e '\n$%.*s' >>%s; %.*s 1>>%s 2>>%s",
p_nLen, p_pCmd, p_szFile, p_nLen, p_pCmd, p_szFile, p_szFile );
// LOG("ExecBash: %s", szBuff );
return system_to( 600, szBuff ) == 0;
}
/////////////////////////////////////////////////////////////////////////////// // Name: CheckDelPidFiles // Author: Mihai Buha ([email protected]) // Description: removes all the pidfiles specified, but not too frequently // Parameters: p_pszNames - input - null-terminated array of filenames // p_szMissNames - output - if not null, fill with names of // missing files. Take care to allocate enough memory for // "Watchdog: <all filenames in p_pszNames> " or else bad // things will happen. // Returns: true if all pidfiles existed or timeout not expired // false if some pidfile was missing (controlling app was dead - // did not create a file during latest 2 intervals) /////////////////////////////////////////////////////////////////////////////// bool CheckDelPidFiles (const char** p_pszNames, char* p_szMissNames) { static clock_t last_checked; static long n_SC_CLK_TCK; static bool last_existed = true; clock_t timestamp; bool status = true; bool exists = true; if(!n_SC_CLK_TCK) n_SC_CLK_TCK = sysconf( _SC_CLK_TCK); timestamp = GetClockTicks(); if( timestamp < last_checked){ // large uptime overflowed the clock_t last_checked = timestamp; } if( timestamp - last_checked < PIDFILES_FACTOR * PIDFILES_TIMEOUT * n_SC_CLK_TCK){ return status; } last_checked = timestamp; int i; for( i=0; p_pszNames[i]; ++i) { int nFileLen = GetFileLen(p_pszNames[i]); if ( nFileLen > 0) { unlink( p_pszNames[i]); continue; } if (nFileLen == 0) { LOG("CheckDelPidFiles: file %s len==0", p_pszNames[i]); unlink( p_pszNames[i]); } LOG_ERR( "CheckDelPidFiles: pidfile %s missing!", p_pszNames[i]); if( exists && p_szMissNames){ sprintf( p_szMissNames, "Watchdog: "); } exists = false; if( p_szMissNames){ strcat( p_szMissNames, p_pszNames[i]); strcat( p_szMissNames, " "); } system_to( 60, NIVIS_TMP"take_system_snapshot.sh "ACTIVITY_DATA_PATH"snapshot_warning.txt &"); } status = exists || last_existed; last_existed = exists; return status; }
////////////////////////////////////////////////////////////////////////////// /// @brief removes all the pidfiles specified, but not too frequently /// @author Mihai Buha ([email protected]) /// @param[in] p_pszNames null-terminated array of filenames /// @param[out] p_szMissNames if not null, fill with names of /// missing files. Take care to allocate enough memory for /// "Watchdog: <all filenames in p_pszNames> " or else bad /// things will happen. /// @retval true All pidfiles existed or timeout not expired /// @retval false Some pidfile was missing (controlling app was dead - /// did not create a file during latest 2 intervals) ////////////////////////////////////////////////////////////////////////////// bool CWatchdogMngr::checkDelPidFiles (const char** p_pszNames, char* p_szMissNames) { clock_t timestamp ; static clock_t sStartTime = GetClockTicks(); static clock_t last_checked; static bool last_existed = true; bool status = true; bool exists = true; timestamp = GetClockTicks(); if( timestamp < last_checked) { // large uptime overflowed the clock_t last_checked = timestamp; sStartTime = timestamp; } if( (timestamp - last_checked < WTD_PID_VRFY_INTERVAL * sysconf(_SC_CLK_TCK)) || (timestamp - sStartTime < WTD_PID_VRFY_INTERVAL * sysconf(_SC_CLK_TCK)) ) { return true; } last_checked = timestamp; for( unsigned i=0; p_pszNames[i]; ++i) { int nFileLen = GetFileLen(p_pszNames[i]); if (nFileLen == 0) { usleep(30*1000);//wait a little maybe in process of writing the pid file nFileLen = GetFileLen(p_pszNames[i]); } if ( nFileLen > 0) { unlink( p_pszNames[i]); continue; } if (nFileLen == 0) { ERR("checkDelPidFiles: pidfile[%s] len==0", p_pszNames[i]); systemf_to( 20 ,"log2flash 'WTD: ERR:checkDelPidFiles: pidfile[%s] len==0' &", p_pszNames[i]); unlink( p_pszNames[i]); } LOG( "ERR:Missing [%s]", p_pszNames[i]); if ( exists ) { exists = false; } if( p_szMissNames ) { strcat( p_szMissNames, p_pszNames[i]); strcat( p_szMissNames, ","); } } // Take snapshot if any of the pidfiles is missing. if (! exists) { system_to( 60, NIVIS_TMP"take_system_snapshot.sh "ACTIVITY_DATA_PATH"snapshot_warning.txt &"); } status = exists || last_existed; last_existed = exists; return status; }
