+
+/******************************************************************************/
+/*!
+ *\brief Read in Tape data and do some checks and messages.
+ *
+ * This routine reads in the tape data.
+ * During reading in, checksums are checked and
+ * /da001/ information is generated. No object integrity test.
+ * Tape block object pointers are put into the global vector
+ * tape.
+ */
+void read_tape(){
+
+ tape_block * block=0; //! Pointer to current block.
+ bool read_ahead=true; //! Continue scanning for blocks.
+ int read_pointer=0; //! Read position in input.
+ int block_start=0; //! Start of block position in input.
+ int block_end=0; //! End of block position in input.
+ int blocks_read=0; //! Number of blocks read in.
+
+ bool spaced=false; //! Help flag for spaced messages.
+
+ string message; //! A warning or help message.
+
+
+ while(read_ahead){
+
+ bool err_checksum=false;
+ bool err_integrity=false;
+
+ bool warning=false;
+ bool error=false;
+
+ try{
+ block=tape_block::gen_from_fd(in_fd);
+ }
+
+ catch(tape_block::eof_legal_exception &e){
+ read_pointer+=e.get_consumed();
+ break; // Immediately leave read loop.
+ }
+
+ catch(tape_block::io_error_exception){
+ if (in_fd){
+ fprintf(stderr,"Error: Could not read from \"%s\"!\n",cfg_infile.c_str());
+ } else {
+ fprintf(stderr,"Error: Could not read from stdin!\n");
+ }
+ error=true;
+ errcode=2;
+ break; // Immediately leave read loop.
+ }
+
+ catch(tape_block::eof_illegal_exception &e){
+ block=e.get_block();
+ err_integrity=true;
+ read_ahead=false;
+ if (cfg_ignore_block_errors){
+ message="Warning: Block integrity check failed!\n";
+ warning=true;
+ } else {
+ message="Error: Block integrity check failed!\n";
+ error=true;
+ errcode=3;
+ }
+ }
+
+ catch(tape_block::checksum_error_exception &e){
+ block=e.get_block();
+ err_checksum=true;
+ if (cfg_ignore_checksum_errors){
+ message="Warning: Block checksum wrong!\n";
+ warning=true;
+ } else {
+ message="Error: Block checksum wrong!\n";
+ error=true;
+ read_ahead=false;
+ errcode=4;
+ }
+ }
+
+ // Now let's check for block type
+ if ((!error)&&(!warning)&&!block->has_known_type()){
+ if (cfg_ignore_unknown_block_errors){
+ message="Warning: Unknown Block type!";
+ warning=true;
+ }else{
+ message="Error: Unknown Block type!";
+ error=true;
+ read_ahead=false;
+ errcode=5;
+ }
+ }
+
+ // Count block.
+ blocks_read++;
+ tape.insert(tape.end(),block);
+ block_start=read_pointer+block->get_discarded_bytes();
+ block_end=block_start+block->get_raw_size()-1;
+ read_pointer=block_end+1;
+
+ FILE * fp=stdwarn;
+ if (error) fp=stderr;
+
+ if (cfg_verbose||error||warning){
+ if (!spaced) fprintf(fp,"\n");
+ spaced=false;
+ fprintf(fp,"Block No.%03i: Start:0x%04x End:0x%04x Size:0x%02x\n",
+ blocks_read-1,
+ block_start,
+ block_end,
+ block->get_raw_size());
+ }
+
+ if (error) fprintf(stderr,message.c_str());
+ if (warning) fprintf(stdwarn,message.c_str());
+
+ if(cfg_list_contents){
+ dump_vector(block->get_description());
+ if (!error&&!warning) spaced=false;
+ }
+
+ if (error||warning||cfg_verbose){
+ fprintf(fp,"\n");
+ spaced=true;
+ }
+ if (error) errors++;
+ if (warning) warnings++;
+ } // while....
+ if (cfg_verbose){
+ close(in_fd);
+ fprintf(stderr,"Reading finished.\n");
+ fprintf(stderr,"Bytes read:%i, Blocks read:%i\n",read_pointer,blocks_read);
+ }
+} // read_tape()
+
+/******************************************************************************/
+
+void type_check(){
+ bool warning=false;
+ bool error=false;
+
+ for (unsigned int i=0; i<tape.size();i++){
+ bool spaced=false;
+ if (!tape[i]->has_known_type()){
+ FILE * fp;
+ if (cfg_ignore_unknown_block_errors){
+ fp=stdwarn;
+ warning=true;
+ } else {
+ fp=stderr;
+ error=true;
+ }
+ if (!spaced) {
+ spaced=false;fprintf(fp,"\n");
+ fprintf(fp,"Warning: Unknown Block type! Block No.%i\n",i);
+ dump_vector_fp(tape[i]->get_description(),fp);
+ fprintf(fp,"\n");
+ spaced=true;
+ }
+ if (!cfg_ignore_unknown_block_errors){
+ int errcode=5;
+ fprintf(stdwarn,"Failed. (%i)\n",errcode);
+ exit(errcode);
+ }
+ }
+ }
+} // type_check()
+
+/******************************************************************************/
+/*!
+ *\brief The main routine.
+ */
+int main(int argc, char ** args){
+
+
+ // Do all the configuration stuff
+ do_config(argc,args);
+
+ // Output a version message if desired
+ if (cfg_version){
+ fprintf(stderr, ID_STRING, VERSION, BUILD_DATE, BUILD_STAMP);
+ exit(0);
+ }
+
+ // Assign warning output according to configuration
+ if (cfg_quiet) stdwarn=fopen("/dev/null","w");
+ else stdwarn=stderr;
+
+ read_tape(); // Process input to completion.
+ exit_on_error();
+
+
+
+ if (cfg_split_objects){
+ for (unsigned int i=0; i<tape.size();i++){
+ tape[i]->dump_to_fd(out_fd);
+ }
+ }
+
+
+ return 0;
+} // main()
+