-/* ldc2 preliminary main program */
-
-#include <vector>
-#include <string>
-
-#include <stdio.h>
-#include <unistd.h>
+/******************************************************************************
+ *
+ * LDC2 source code
+ *
+ * $Date: 2007/05/30 02:51:16 $
+ * $Author: hachti $
+ *
+ * $Log: main.cpp,v $
+ * Revision 2.3 2007/05/30 02:51:16 hachti
+ * Changed everything towards LDC2 use.
+ * Worked on the buildlib.sh.
+ * Centralized buildlib.sh to a new lib/common directory.
+ *
+ * Revision 2.2 2007-03-26 03:20:31 hachti
+ * *** empty log message ***
+ *
+ * Revision 2.1 2007-03-26 01:15:21 hachti
+ * *** empty log message ***
+ *
+ * Revision 2.0 2007-03-26 01:00:40 hachti
+ * *** empty log message ***
+ *
+ *
+ ******************************************************************************/
+
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
+#include <vector>
+#include <string>
+
+#include "config.hh"
+#include "tool.hh"
+
#include "tape_block.hh"
-#include "configuration_manager.hh"
+#include "data_block_0.hh"
using namespace std;
-int dump_vector(vector<string> arguments){
- int res=0;
- for (vector<string>::iterator iter=arguments.begin();iter<arguments.end();iter++){
- printf("%s\n",(*iter).c_str());
- res=1;
+#ifndef BUILD_STAMP
+#define BUILD_STAMP ""
+#endif
+
+#ifndef VERSION
+#define VERSION "0.0"
+#endif
+
+#define ID_STRING "\n ldc2 - The X16 object tape analyser\n\
+ (C) 2007 Philipp Hachtmann\n\n\
+ Version %s, built %s\n %s\n\n"
+
+/******************************************************************************/
+
+static FILE * stdwarn; //! Suppressable warning output file pointer.
+static vector<tape_block*> tape; //! The whole tape contents.
+static vector<vector<tape_block*> > objects; //! Tape content in objects.
+
+static int errors = 0; //! Global error counter.
+static int warnings= 0; //! Global warning counter.
+static int errcode = 0; //! Error code for error exit routine.
+
+
+/******************************************************************************/
+/*!
+ *\brief Error exit routine.
+ *
+ * This routine tests the global error counter and terminates the program
+ * if necessary.
+ */
+void exit_on_error(){
+ if (errors){
+ fprintf(stderr,"Failed. (%i)\n",errcode);
+ exit(errcode);
}
- return res;
}
+
+/******************************************************************************/
+/*!
+ *\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(){
-
-int main(int argc, char ** args){
+ 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.
- /* Configuration data */
- string config_file;
- string infile, outfile;
- int infile_set, outfile_set, config_file_set;
+ bool spaced=false; //! Help flag for spaced messages.
- int
- do_help,
- output_info,
- output_called,
- output_exported,
- output_unsatisfied,
- split_objects,
- split_objects_numbered,
- ignore_block_errors,
- ignore_checksum_errors,
- pause_on_checksum_error,
- ignore_unknown_block_errors,
- ignore_object_integrity_errors;
+ string message; //! A warning or help message.
+
- int in_fd, out_fd;
+ while(read_ahead){
+
+ bool err_checksum=false; //! Checksum error flag.
+ bool err_integrity=false; //! Integrity error flag.
+
+ bool warning=false; //! Warning flag.
+ bool error=false; //! Error flag.
+
+ // Try to generate block
+ 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(error||warning){
+ dump_vector(block->get_description());
+ } else {
+ if(cfg_list_contents){
+ FILE * tmp_fp=fdopen(out_fd,"w");
+ dump_vector_fp(block->get_description(),tmp_fp);
+ if (!error&&!warning) spaced=false;
+ }
+ }
- in_fd=0; /* stdin {O _ \ */
- out_fd=1; /* stdout {O ^ / */
+ 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()
- configuration_manager ar("ldc2");
-
- /* Here come the configuration switches */
- ar.add_option_switch("h","help",
- "Output this help text and exit.",
- &do_help,true,false);
-
- ar.add_option_switch("a","output_info",
- "Print tape data information (default)",
- &output_info);
-
- ar.add_option_switch("c","output_called",
- "Print all called symbols from the object(s).",
- &output_called);
-
- ar.add_option_switch("e","output_exported",
- "Print all exported symbols from the object(s).",
- &output_exported);
-
- ar.add_option_switch("u","output_unsatisfied",
- "List all unsatisfied symbols.",
- &output_unsatisfied);
-
- ar.add_option_switch("s","split_objects",
- "Split input data into distinct object files.",
- &split_objects);
-
- ar.add_option_switch("S","split_objects_numbered",
- "Split input data into distinct numbered files",
- &split_objects_numbered);
-
- ar.add_option_switch("b","ignore_block_errors",
- "Ignore block integrity errors. This will output broken blocks,too",
- &ignore_block_errors);
-
- ar.add_option_switch("k","ignore_checksum_errors",
- "Ignore block checksum errors. Errors will be converted to warnings.",
- &ignore_checksum_errors);
-
- ar.add_option_switch("p","pause_on_checksum_error",
- "Wait for user input on checksum error.",
- &pause_on_checksum_error);
+
+/******************************************************************************/
+/*!
+ *\brief Do integrity test and object or block dumps.
+ */
+void process_tape(){
+ if (cfg_verbose) fprintf(stdwarn,"\nProcessing Data.\n");
- ar.add_option_switch("n","ignore_unknown_block_errors",
- "Ignore errors caused by unknown block types. Errors will be converted to warnings.",
- &ignore_unknown_block_errors);
-
- ar.add_option_switch("g","ignore_object_integrity_errors",
- "Ignore errors caused by objects without proper end block. \
-Errors will be converted to warnings.",
- &ignore_object_integrity_errors);
+ bool in_object=false;
+ char filename[100];
+ char filename_numbered[100];
+ string objname;
+ int unknown_count=-1;
+ int fd=-1, fd_numbered=-1;
+ int obj_no=0;
+ int obj_start_block;
- ar.add_option_value("i","input_file",
- "specify input file",
- &infile_set,&infile,
- "<input-file>");
-
- ar.add_option_value("o","output_file",
- "Specify output file.",
- &outfile_set,&outfile,
- "<output_file>");
-
-
- ar.add_argument("File from where data is read",
- &infile_set,&infile,
- "<input-file>");
-
- ar.add_argument("File to where output is redirected",
- &outfile_set,&outfile,
- "<output-file>");
-
- ar.add_option_value("F","config_file",
- "Use the specified configuration file.",
- &config_file_set,&config_file,
- "<file-name>");
+ for (unsigned int i=0; i<tape.size();i++){
+ tape_block * block=tape[i];
+
+ if (block->get_type()==tape_block::TBT_EOT){
+ objname="EOT";
+ if (in_object){
+ if (cfg_ignore_object_integrity_errors){
+ fprintf(stdwarn,"Warning: Object integrity error!\
+ (Object no %i, Block %i unexpected)\n",obj_no,i);
+ warnings++;
+ } else {
+ fprintf(stderr,"Error: Object integrity error!\
+ (Object no %i, Block %i unexpected)\n",obj_no,i);
+ errors++;
+ errcode=6;
+ return;
+ }
+ }
+ }
+ if (!in_object){ // object begin
+
+ obj_no++;
+ obj_start_block=i;
+
+ objname="UNKNOWN";
+ unknown_count++;
+
+ vector<string>names=block->get_exported_symbols();
+ for (unsigned int a=0; a<names.size();a++){
+ objname=names[0];
+ if (objname!=" "){
+ objname=objname.substr(0,objname.find_last_not_of(" ")+1);
+ unknown_count--;
+ break;
+ }
+ }
+
+ if (block->get_type()==tape_block::TBT_EOT){
+ objname="EOT";
+ }
+
+ // Open file for split objects
+ if (cfg_split_objects && (block->get_type()!=tape_block::TBT_EOT)){
+ if (objname=="UNKNOWN")snprintf(filename,99,"UNKNOWN%02i",
+ unknown_count);
+ else snprintf(filename,99,"%s",objname.c_str());
+ if (fd>-1) close (fd);
+ if (cfg_verbose) fprintf(stdwarn,"Writing file: %s\n",filename);
+ fd=open(filename,O_WRONLY|O_CREAT|O_TRUNC,0666);
+ if (fd<0){
+ fprintf(stderr,"Error: could not open file \"%s\" for writing!\n",
+ filename);
+ errors++;
+ errcode=1;
+ return;
+ }
+ }
+
+ // Open file for split objects numbered
+ snprintf(filename_numbered,99,"%03i0-%s",obj_no,objname.c_str());
+ if (cfg_split_objects_numbered){
+ close (fd_numbered);
+ if (cfg_verbose) fprintf(stdwarn,"Writing file: %s\n",filename_numbered);
+ fd_numbered=open(filename_numbered,O_WRONLY|O_CREAT|O_TRUNC,0666);
+ if (fd_numbered<0){
+ fprintf(stderr,"Error: could not open file \"%s\" for writing!\n",
+ filename_numbered);
+ errors++;
+ errcode=1;
+ return;
+ }
+ }
+ in_object=true;
+ } // object begin
+
+ // Output block data
+ if (cfg_split_objects){
+ try{
+ if (block->get_type()!=tape_block::TBT_EOT) // Don't want EOT here
+ block->dump_to_fd(fd);
+ }
+ catch (tape_block::io_error_exception e){
+ fprintf(stderr,"Error: could write to file \"%s\"!\n",
+ filename);
+ errors++;
+ errcode=1;
+ return;
+ }
+ } // if (cfg_split_objects)
+
+ // Output block data
+ if (cfg_split_objects_numbered){
+ try{
+ block->dump_to_fd(fd_numbered);
+ }
+ catch (tape_block::io_error_exception e){
+ fprintf(stderr,"Error: could write to file \"%s\"!\n",
+ filename_numbered);
+ errors++;
+ errcode=1;
+ return;
+ }
+ } // if (cfg_split_objects_numbered)
+
+ // Output individual block file if desired
+ if (cfg_split_blocks){
+ char fname[100];
+ snprintf(fname,99,"%03i0-%s-%03i.block",obj_no,objname.c_str(),
+ i-obj_start_block);
+ if (cfg_verbose) fprintf(stdwarn,"Writing file: %s\n",fname);
+ int fd_block=open(fname,O_WRONLY|O_TRUNC|O_CREAT,0666);
+ if (fd_block<0){
+ fprintf(stderr,"Error: could not open file \"%s\" for writing!\n",
+ fname);
+ errors++;
+ errcode=1;
+ close(fd);
+ close(fd_numbered);
+ return;
+ }
+ try{
+ block->dump_to_fd(fd_block);
+ }
+ catch (tape_block::io_error_exception e){
+ fprintf(stderr,"Error: could write to file \"%s\"!\n",
+ fname);
+ errors++;
+ errcode=1;
+ close(fd);
+ close(fd_numbered);
+ return;
+ }
+ close(fd_block);
+ }
+
+ if (block->is_endblock()||(block->get_type()==tape_block::TBT_EOT)) {
+ in_object=false;
+ close(fd);
+ close(fd_numbered);
+ }
+ } // for (...)
- if((dump_vector(ar.read_args(argc,args))||do_help)){
- dump_vector(ar.get_help());
- exit(1);
+ if (in_object){
+ if (cfg_ignore_object_integrity_errors){
+ fprintf(stdwarn,"Warning: Object integrity error! Last object incomplete!\n");
+ warnings++;
+ } else {
+ fprintf(stdwarn,"Error: Object integrity error! Last Object incomplete!\n");
+ errors++;
+ errcode=6;
+ if (fd!=-1) close(fd);
+ if (fd_numbered!=-1) close(fd_numbered);
+ return;
+ }
+ }
+} // process_tape()
+
+/******************************************************************************/
+/*!
+ *\brief Everything that has to do with symbol listing.
+ */
+void process_symbols(){
+ vector<string>exported;
+ vector<string>called;
+ vector <string>unsatisfied;
+
+ if (cfg_verbose) fprintf(stdwarn,"\nProcessing Symbols.\n");
+
+ for (unsigned int i=0; i<tape.size();i++){
+ merge_vector_unique(exported,tape[i]->get_exported_symbols());
+ merge_vector_unique(called,tape[i]->get_called_symbols());
}
- if (infile_set==1){
- printf("Opening file for input:%s\n",infile.c_str());
- in_fd=open(infile.c_str(),O_RDONLY);
- if (in_fd<0){
- printf("Error: could not open file:%s\n",infile.c_str());
- exit (3);
+ for (unsigned int icalled=0;icalled<called.size();icalled++){
+ bool found=false;
+ for (unsigned int iexported=0;iexported<exported.size();iexported++){
+ if (exported[iexported].compare(called[icalled])==0){
+ found=true;
+ break;
+ }
+ }
+ if (!found) {
+ bool present=false;
+ for (unsigned int i=0;i<unsatisfied.size();i++){
+ if (unsatisfied[i].compare(called[icalled])==0){
+ present=true;
+ break;
+ }
+ }
+ if (!present) unsatisfied.insert(unsatisfied.end(),called[icalled]);
}
}
+ FILE * outp=fdopen(out_fd,"w");
+
+ if (cfg_output_called){
+ dump_vector_fp(called,outp);
+ }
+
+ if (cfg_output_exported){
+ dump_vector_fp(exported,outp);
+ }
+
+ if (cfg_output_unsatisfied){
+ dump_vector_fp(unsatisfied,outp);
+ }
+
+} // process_symbols()
+
+/******************************************************************************/
+/*!
+ *\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();
- vector<tape_block*> tape;
-
-
- tape_block * block=0;
- while(1){
- block=tape_block::gen_from_fd(in_fd);
- if (block->get_state()==tape_block::TBS_OK){
- tape.insert(tape.end(),block);
- dump_vector(block->get_description());
- }
- else break;
- }
+ process_tape();
+ exit_on_error();
- switch(block->get_state()){
- case tape_block::TBS_EOF_LEGAL: printf("File successfully read.\n");
- break;
- case tape_block::TBS_EOF_ILLEGAL: printf("EOF while in block!\n");
- break;
- case tape_block::TBS_CHECKSUM:
- printf("Checksum error!\n");
- break;
- case tape_block::TBS_DEFAULT:
- printf("TBS_DEFAULT encountered ->> SEVERY INTERNAL ERROR!\n");
- exit(88);
- case tape_block::TBS_IOERR:
- printf("I/O Error... Why?\n");
- exit (43);
+ process_symbols();
+ exit_on_error();
+
+ if (warnings>0){
+ fprintf(stdwarn,"Warnings:%i\n",warnings);
+ return 99;
}
-
+ if (cfg_verbose) fprintf(stdwarn,"\nSuccess.\n");
return 0;
+
+ /*
+ * All over this program, no memory is freed. This is not necessary because
+ * everything is allocated once and that's it.
+ * The classes support proper freeing of their internal buffers.
+ */
+
} // main()
+/******************************************************************************/