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move lpt and logging functions into library

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This commit is contained in:
Sergey Popov
2012-03-22 17:33:11 +04:00
parent aacb1299d8
commit 2397a6df06
7 changed files with 3 additions and 2 deletions
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2
daemon/Makefile.am
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@ -3,7 +3,7 @@ include_HEADERS = $(top_srcdir)/yasnd.h
yasnd_LDADD = ${libconfuse_LIBS}
yasnd_LDADD += $(top_srcdir)/lib/libyasnd.la
sbin_PROGRAMS = yasnd
yasnd_SOURCES = yasnd.c yasnd-ipc.c yasnd-log.c yasnd-lpt.c
yasnd_SOURCES = yasnd.c yasnd-ipc.c
yasnd_CPPFLAGS = -I$(top_srcdir)
distclean-local:

30
daemon/yasnd-log.c
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@ -1,30 +0,0 @@
#include <syslog.h>
int debug_flag=0; // debug verbosity flag
void log_init()
{
return openlog("yasnd", LOG_PID|LOG_CONS, LOG_USER);
}
void log_close()
{
return closelog();
}
/*
Function, that called to output various debug messages to syslog
*/
void log_debug(const char *message,int verbosity)
{
if (debug_flag>=verbosity)
syslog(LOG_INFO,"%s",message);
}
/*
Function, that called to output information message to syslog
*/
void log_event(const char *message)
{
syslog(LOG_INFO,"%s",message);
}

17
daemon/yasnd-log.h
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@ -1,17 +0,0 @@
#ifndef YASND_LOG_H
#define YASND_LOG_H
// Debug verbosity
#define DEBUG_BASE 1
#define DEBUG_ALL 2
// External variables
extern int debug_flag;
// External functions
extern void log_init();
extern void log_close();
extern void log_debug(const char *message,int verbosity);
extern void log_event(const char *message);
#endif

76
daemon/yasnd-lpt.c
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@ -1,76 +0,0 @@
#include <sys/io.h>
#include <stdbool.h>
#include <unistd.h>
bool lpt_enable=false; // control usage of LPT port to reset target devices
int lpt_port=0x378; // LPT port in hex(0x378 is usually LPT1)
/*
Function, that turn off all LPT port pins.
This is needed to unlock LPT control circuit, when
management computer is just booted
*/
void lpt_init()
{
if (lpt_enable)
{
if (ioperm (lpt_port, 3, 1))
{
log_event("Error: Unlocking the circuit fails due to LPT port access error");
// disable LPT port usage
lpt_enable=false;
return;
}
// Unlock circuit
outb (0, lpt_port);
}
}
/*
Function, that turn on first LPT port pin and turn off others.
This is needed to lock LPT control circuit, when
management computer is rebooted
*/
void lpt_lock_cond(bool ignore_options)
{
if (lpt_enable || ignore_options)
{
if (ioperm (lpt_port, 3, 1))
{
log_event("Error: Locking the circuit fails due to LPT port access error");
// disable LPT port usage
lpt_enable=false;
return;
}
// Lock circuit
outb (1, lpt_port);
}
}
/*
Function, that turn on only one LPT port pin, defined by it argument, wait a second,
and turn off all pins. That is enough to reset specified host.
*/
void reset_pin(int pin_num)
{
if (lpt_enable)
{
if (pin_num==0)
return; // there is no LPT control for target host
if (pin_num<2 || pin_num>8)
{
log_event("Error: incorrent LPT pin number");
return;
}
int pins = 1<<(pin_num-1);
if (ioperm (lpt_port, 3, 1))
{
log_event("Error: LPT port access error");
return;
}
// Reset host
outb (pins, lpt_port);
sleep(1);
outb (0, lpt_port);
}
}

14
daemon/yasnd-lpt.h
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@ -1,14 +0,0 @@
#ifndef YASND_LPT_H
#define YASND_LPT_H
// External variables
extern bool lpt_enable; // control usage of LPT port to reset target devices
extern int lpt_port; // LPT port in hex(0x378 is usually LPT1)
// External functions
extern void lpt_init();
extern void lpt_lock_cond(bool ignore_options);
extern void lpt_lock();
extern void reset_pin(int pin_num);
#endif