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//
// Copyright (c) 1999, 2006 by Thomas Waldmann ( ThomasWaldmann@gmx.de )
// based on work of Mike Romberg ( mike.romberg@noaa.gov )
//
// This file may be distributed under terms of the GPL
//
#include "raidmeter.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fstream>
#include <sstream>
#include <iostream>
static const char *RAIDFILE = "/proc/mdstat";
RAIDMeter::RAIDMeter( XOSView *parent, int raiddev)
: BitFieldMeter( parent, 1, 2, "RAID") {
_raiddev = raiddev;
getRAIDstate();
if(disknum<1)
disableMeter();
std::ostringstream os;
os << "MD" << raiddev << std::ends;
legend(os.str().c_str());
if(disknum>=1){
setfieldlegend("Done/ToDo");
setNumBits(disknum);
}
total_ = 100.0;
}
RAIDMeter::~RAIDMeter( void ){
}
void RAIDMeter::checkevent( void ){
getRAIDstate();
for ( int i = 0 ; i < disknum ; i++ ){
bits_[i] = (working_map[i]=='+');
}
fields_[0]=100.0;
sscanf(resync_state, "resync=%lf", &fields_[0] );
fields_[1] = total_ - fields_[1];
if(fields_[0]<100.0){
setfieldcolor(0,doneColor_);
setfieldcolor(1,todoColor_);
}else{
setfieldcolor(0,completeColor_);
}
setUsed(fields_[0], total_);
BitFieldMeter::checkevent();
}
void RAIDMeter::checkResources( void ){
BitFieldMeter::checkResources();
onColor_ = parent_->allocColor( parent_->getResource( "RAIDdiskOnlineColor" ) );
offColor_ = parent_->allocColor( parent_->getResource( "RAIDdiskFailureColor" ) );
doneColor_ = parent_->allocColor( parent_->getResource( "RAIDresyncdoneColor" ) );
todoColor_ = parent_->allocColor( parent_->getResource( "RAIDresynctodoColor" ) );
completeColor_= parent_->allocColor( parent_->getResource( "RAIDresynccompleteColor" ) );
priority_ = atoi(parent_->getResource("RAIDPriority"));
setfieldcolor( 0, doneColor_ );
setfieldcolor( 1, todoColor_ );
SetUsedFormat(parent_->getResource( "RAIDUsedFormat" ) );
}
// parser for /proc/mdstat
int RAIDMeter::find1(const char *key, const char *findwhat, int num1){
char buf[80];
int rc;
std::ostringstream os;
os << findwhat << "." << num1 << std::ends;
strncpy(buf, os.str().c_str(), 80);
buf[79] = '\0';
rc=!strncmp(buf,key, 80);
return rc;
}
int RAIDMeter::find2(const char *key, const char *findwhat,
int num1, int num2){
char buf[80];
int rc;
std::ostringstream os;
os << findwhat << "." << num1 << "." << num2 << std::ends;
strncpy(buf, os.str().c_str(), 80);
buf[79] = '\0';
rc=!strncmp(buf,key, 80);
return rc;
}
int RAIDMeter::raidparse(char *cp){
char *key, *val;
key=strtok(cp," \n");
val=strtok(NULL," \n");
if(key==NULL) return 1;
if(find1(key,"md_state",_raiddev)){
if(val) strcpy(state,val);
}else
if(find1(key,"md_type",_raiddev)){
if(val) strcpy(type,val);
}else
if(find1(key,"md_disk_count",_raiddev)){
if(val) disknum=atoi(val);
}else
if(find1(key,"md_working_disk_map",_raiddev)){
if(val) strcpy(working_map,val);
}else
if(find1(key,"md_resync_status",_raiddev)){
if(val) strcpy(resync_state,val);
}
return 0;
}
void RAIDMeter::getRAIDstate( void ){
std::ifstream raidfile( RAIDFILE );
char l[256];
if ( !raidfile ){
std::cerr <<"Can not open file : " <<RAIDFILE << std::endl;
exit( 1 );
}
do{
raidfile.getline(l,256);
}while((raidparse(l)==0) && (!raidfile.eof()));
// printf("md0 %s %s %s resync: %s\n",type,state,working_map,resync_state);
}
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