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reHDD
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added filter algo for existing drives

This commit is contained in:
Hendrik Schutter 2020-08-04 17:18:32 +02:00
parent a61d4321f6
commit 27b48de32a
9 changed files with 90 additions and 105 deletions
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2
ignoreDrives.conf
View File

@ -1,3 +1,3 @@
/dev/sdc:4673974d-1af2-44fd-996b-a2d8e4c43d9a
/dev/sda:508ef27d-5039-4e8b-9e2c-22d7528b7149
/dev/sdb:07f4ad14-c4b6-46e7-9cdf-3cfa9841d53d
/dev/sdc:4673974d-1af2-44fd-996b-a2d8e4c43d9a

3
include/reHDD.h
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@ -20,6 +20,7 @@
#include <unistd.h>
#include <mutex>
#include <sys/select.h>
#include<algorithm>
using namespace std;
@ -62,7 +63,7 @@ private:
static void ThreadScannDevices();
void filterNewDrives(vector <Drive>* pvecOldDrives, vector <Drive>* pvecNewDrives);

114
src/reHDD.cpp
View File

@ -39,47 +39,34 @@ void reHDD::app_logic(void)
cout << "app logic" << endl;
int result = pipe(fdSearchDrives);
pipe(fdSearchDrives);
FD_ZERO(&selectSet);
FD_SET(fdSearchDrives[0], &selectSet);
thread thDevices(ThreadScannDevices);
thread thDevices(ThreadScannDevices); //start thread that scanns for drives
while(1) {
while(1){
int iSelectReturn = select(FD_SETSIZE, &selectSet, NULL, NULL, NULL);
select(FD_SETSIZE, &selectSet, NULL, NULL, NULL);
if( FD_ISSET(fdSearchDrives[0], &selectSet)) {
char ch;
result = read (fdSearchDrives[0],&ch,1);
if (result != 1) {
perror("read");
exit(3);
}
printf ("From Main Thread: %c\n", ch);
char dummy;
read (fdSearchDrives[0],&dummy,1);
mxScannDrives.lock();
printDrives(&vecNewDrives);
//replace with old list
// action if needed
filterNewDrives(&vecDrives, &vecDrives);
mxScannDrives.unlock();
}
}
@ -87,7 +74,7 @@ while(1){
thDevices.join();
/*
/*
@ -101,61 +88,57 @@ while(1){
if(u64SelectedDriveIndex < (u64DriveVecSize)) {
// Wipe::wipeDrive(&vecDrives[u64SelectedDriveIndex]);
}
*/
*/
}
void reHDD::ThreadScannDevices(){
while(true){
cout << "Thread" << endl;
void reHDD::ThreadScannDevices() {
while(true) {
cout << "Thread" << endl;
mxScannDrives.lock();
vecNewDrives.clear();
searchDrives(&vecNewDrives); //search for new drives and store them in list
filterIgnoredDrives(&vecNewDrives); //filter out ignored drives
addSMARTData(&vecNewDrives); //add S.M.A.R.T. Data to the drives
mxScannDrives.unlock();
write (fdSearchDrives[1], "A",1);
sleep(5); //sleep 5 sec
}
}
void reHDD::filterNewDrives(vector <Drive>* pvecOldDrives, vector <Drive>* pvecNewDrives){
vector <Drive>::iterator itOld; //Iterator for current (old) drive list
vector <Drive>::iterator itNew; //Iterator for new drive list that was created from to scann thread
vector <Drive> vecOfflineDrives; //TODO
int result = write (fdSearchDrives[1], "A",1);
//cout << result << endl;
if (result != 1){
perror ("write error");
// exit (2);
for (itOld = pvecOldDrives->begin(); itOld != pvecOldDrives->end(); ++itOld)
{
for (itNew = pvecOldDrives->begin(); itNew != pvecOldDrives->end(); ++itNew)
{
if(itOld->getSerial() == itNew->getSerial()){
//drive exists already --> remove it from old list
pvecOldDrives->erase(itOld);
}
}
}
sleep(5); //sleep 5 sec
}
copy(pvecOldDrives->begin(), pvecOldDrives->end(), back_inserter(vecOfflineDrives));
cout << "start offline" << endl;
printDrives(&vecOfflineDrives);
cout << "end offline" << endl;
}
/**
* \brief search attached drives on /dev/sd*
* \param pointer of vector <Drive>* pvecDrives
* \return void
*/
void reHDD::searchDrives(vector <Drive>* pvecDrives)
void reHDD::searchDrives(vector <Drive>* pvecDrives)
{
cout << "search drives ..." << endl;
char * cLine = NULL;
size_t len = 0;
@ -176,8 +159,6 @@ cout << "Thread" << endl;
}
}
fclose(outputfileHwinfo);
}
/**
@ -213,10 +194,11 @@ void reHDD::filterIgnoredDrives(vector <Drive>* pvecDrives)
vtlIgnoredDevices.emplace_back(sIgnoredDrivePath, sIgnoredDriveUUID); //add found path and uuid from ingnore file to vector
}
}
//loop through found entries in ingnore file
for(auto row : vtlIgnoredDevices)
{
cout << "file drive path found: " << get<0>(row) << endl;
auto it = pvecDrives->begin();
while (it != pvecDrives->end())
{
@ -224,12 +206,12 @@ void reHDD::filterIgnoredDrives(vector <Drive>* pvecDrives)
string sUUID;
if (!get<0>(row).compare(it->getPath())) //find same drive based on path
{
// cout << "Same drive path found" << endl;
cout << "Same drive path found: " << it->getPath() << endl;
char * cLine = NULL;
size_t len = 0;
string sCMD = "blkid ";
sCMD.append(it->getPath());
// cout << "cmd: " << sCMD << endl;
cout << "cmd: " << sCMD << endl;
FILE* outputfileBlkid = popen(sCMD.c_str(), "r"); //get UUID from drive
if (outputfileBlkid == NULL)
{
@ -248,7 +230,7 @@ void reHDD::filterIgnoredDrives(vector <Drive>* pvecDrives)
}
}
fclose(outputfileBlkid);
// cout << "blkid uuid:" << sUUID << endl;
cout << "blkid uuid:" << sUUID << endl;
if (get<1>(row).compare(sUUID)) //compare uuid from ignore file and uuid from drive
{
@ -259,6 +241,8 @@ void reHDD::filterIgnoredDrives(vector <Drive>* pvecDrives)
{
// same uuid found than in ignore file --> ignore this drive
it = pvecDrives->erase(it);
cout << "same uuid found than in ignore file --> ignore this drive:" << it->getPath() << endl;
}
}