X-Git-Url: http://git.pippins.net/embedvideo/.git/static/git-logo.png?a=blobdiff_plain;f=main.cpp;h=a5518501772afaa7d180a0f07c2ff3b077991efe;hb=9acb0d35f2baaaf165a0f4e2348e2b99f4ee950f;hp=945cc0d0b36c91de96147dddb469355a87e89d75;hpb=8482590d4b4c8158ba05815c8f62c74a4d5a591f;p=backups%2F.git diff --git a/main.cpp b/main.cpp index 945cc0d..a551850 100644 --- a/main.cpp +++ b/main.cpp @@ -10,20 +10,19 @@ using namespace std; static const unsigned int bytes_in_block = 0x800; -static const char * dbname = "/var/tmp/backups.db"; - -unsigned long long current_time() { - unsigned long long rc = 0; - time_t now_tt = time( 0 ); - tm *now = localtime( &now_tt ); - rc += ( now->tm_year + 1900ULL ) * 10000000000ULL; - rc += ( now->tm_mon + 1ULL ) * 100000000ULL; - rc += now->tm_mday * 1000000ULL; - rc += now->tm_hour * 10000ULL; - rc += now->tm_min * 100ULL; - rc += now->tm_sec; - - return rc; +static const char * dbname = "/var/lib/backups/backups.db"; + +unsigned long long read_time( istream &i ) { + string date_string; + + int c; + // Todo, don't use char_traits directly here + for( c = i.get(); 0 != c && char_traits::eof() != c; c = i.get() ) { + date_string.push_back( c ); + } + if( char_traits::eof() == c ) { i.setstate( ios_base::eofbit ); } + + return atoll( date_string.c_str() ); } template @@ -109,7 +108,37 @@ void sizes( ITER begin, const ITER &end, INT &numblocks, INT &numbytes ) { } } +template +void copy_filenames( I begin, const I &end, O out ) { + while( begin != end ) { + string output = (*begin)->getFileName(); + output.push_back( 0 ); + *out = output; + ++out; + ++begin; + } +} + +template +void updateLastBackupDate( ITER begin, const ITER &end, unsigned long long date ) { + while( begin != end ) { + (*begin)->setLastBackupDate( date ); + ++begin; + } +} + +template +void delete_objects( ITER begin, const ITER &end ) { + while( begin != end ) { + delete *begin; + ++begin; + } +} + int main() { + // Get the date on stdin + unsigned long long now = read_time( cin ); + // Parse the list of current files on stdin file_set current; populate_set( cin, current ); @@ -133,7 +162,7 @@ int main() { // Track the total size of added files unsigned long long added_blocks, added_bytes; - sizes( backups.begin(), backups.end(), added_blocks, added_bytes ); + sizes( added.begin(), added.end(), added_blocks, added_bytes ); file_vector modified_files; // Backup files that have been modified @@ -163,10 +192,8 @@ int main() { insert_iterator final_i( final, final.begin() ); // Copy files over until full or out of files - bool complete = copy_until_full( backups_s.rbegin(), - backups_s.rend(), - final_i, - space ); + bool complete + = copy_until_full( backups_s.rbegin(), backups_s.rend(), final_i, space ); // Track the size filled up by essential backups unsigned long long essential_blocks, essential_bytes; @@ -191,17 +218,16 @@ int main() { unsigned long long total_blocks, total_bytes; sizes( final.begin(), final.end(), total_blocks, total_bytes ); - unsigned long long now = current_time(); - for( file_set::iterator k = final.begin(); k != final.end(); ++k ) { - (*k)->setLastBackupDate( now ); - } + updateLastBackupDate( final.begin(), final.end(), now ); // Write the 'current' list to the dbfile ofstream dbout( dbname ); - copy( current.begin(), current.end(), ostream_iterator( dbout, "" ) ); + copy( current.begin(), current.end(), ostream_iterator( dbout ) ); // Write the 'final' list to stdout - copy( final.begin(), final.end(), ostream_iterator( cout, "" ) ); + copy_filenames( final.begin(), final.end(), ostream_iterator( cout ) ); + + cerr << now << endl << endl; cerr << "Need backing up..." << endl; cerr << " Added Bytes: " << added_bytes << endl; @@ -218,6 +244,6 @@ int main() { if( ! complete ) { cerr << "Backup is incomplete!" << endl; } // Clean-up - for( file_set::iterator i = backed_up.begin(); i != backed_up.end(); ++i ) { delete *i; } - for( file_set::iterator i = current.begin(); i != current.end(); ++i ) { delete *i; } + delete_objects( backed_up.begin(), backed_up.end() ); + delete_objects( current.begin(), current.end() ); }