#include <fcntl.h>
#include "tape_block.hh"
+#include "data_block_0.hh"
+
#include "configuration_manager.hh"
using namespace std;
+static int in_fd, out_fd;
+
+
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());
+ char buffer[2000];
+ snprintf(buffer,2000,"%s\n",(*iter).c_str());
+ write (out_fd,buffer,strlen(buffer));
res=1;
}
return res;
}
+/*!
+ *\brief The main routine.
+ *
+ * Here we do the configuration management and process the data.
+ *
+ */
int main(int argc, char ** args){
-
+
/* Configuration data */
string config_file;
string infile, outfile;
- int infile_set, outfile_set, config_file_set;
+ int infile_set=0, outfile_set=0, config_file_set=0;
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;
+ do_help=0,
+ output_info=0,
+ output_called=0,
+ output_exported=0,
+ output_unsatisfied=0,
+ split_objects=0,
+ split_objects_numbered=0,
+ ignore_block_errors=0,
+ ignore_checksum_errors=0,
+ pause_on_checksum_error=0,
+ ignore_unknown_block_errors=0,
+ ignore_object_integrity_errors=0,
+ list_contents=1,
+ verbose=0;
- int in_fd, out_fd;
-
in_fd=0; /* stdin {O _ \ */
out_fd=1; /* stdout {O ^ / */
/* Here come the configuration switches */
ar.add_option_switch("h","help",
"Output this help text and exit.",
- &do_help,true,false);
+ &do_help,false,true);
ar.add_option_switch("a","output_info",
"Print tape data information (default)",
- &output_info);
+ &output_info,true,true);
ar.add_option_switch("c","output_called",
"Print all called symbols from the object(s).",
- &output_called);
+ &output_called,true,true);
ar.add_option_switch("e","output_exported",
"Print all exported symbols from the object(s).",
- &output_exported);
+ &output_exported,true,true);
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);
+ &output_unsatisfied,true,true);
ar.add_option_switch("S","split_objects_numbered",
"Split input data into distinct numbered files",
- &split_objects_numbered);
+ &split_objects_numbered,true,true);
+ ar.add_option_switch("s","split_objects",
+ "Split input data into distinct object files.",
+ &split_objects,true,true);
+
ar.add_option_switch("b","ignore_block_errors",
"Ignore block integrity errors. This will output broken blocks,too",
- &ignore_block_errors);
+ &ignore_block_errors,true,true);
ar.add_option_switch("k","ignore_checksum_errors",
"Ignore block checksum errors. Errors will be converted to warnings.",
- &ignore_checksum_errors);
+ &ignore_checksum_errors,true,true);
ar.add_option_switch("p","pause_on_checksum_error",
"Wait for user input on checksum error.",
- &pause_on_checksum_error);
+ &pause_on_checksum_error,true,true);
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);
+ &ignore_unknown_block_errors,true,true);
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);
+ &ignore_object_integrity_errors,true,true);
+
+ ar.add_option_switch("v","verbose",
+ "Be a bit more verbose.",
+ &verbose,true,true);
- ar.add_option_value("i","input_file",
+ ar.add_option_value("i","in_file",
"specify input file",
&infile_set,&infile,
- "<input-file>");
+ "<input-file>",true,false);
- ar.add_option_value("o","output_file",
+ ar.add_option_value("o","out_file",
"Specify output file.",
&outfile_set,&outfile,
- "<output_file>");
-
-
+ "<output_file>",true,true);
+
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>");
+ "<file-name>",false,true);
+
+ // If there's a config file mentioned in the environment, take it!
+ char * env_ldc_config=getenv("LDC_CONFIG");
+ if(env_ldc_config){
+ fprintf(stderr,"Using config file:\"%s\"\n",env_ldc_config);
+ if(dump_vector(ar.read_file(env_ldc_config))){
+ dump_vector(ar.get_help());
+ exit(1);
+ }
+ }
+
// Process command line first time
- if((dump_vector(ar.read_args(argc,args))||do_help)){
+ if(dump_vector(ar.read_args(argc,args))){
dump_vector(ar.get_help());
- exit(1);
+ exit(7);
}
+ if (do_help) {
+ dump_vector(ar.get_help());
+ exit(0);
+ }
+
// If user has a config file, use it.
if (config_file_set){
+ fprintf(stderr,"Using config file:\"%s\"\n",config_file.c_str());
if(dump_vector(ar.read_file(config_file))){
dump_vector(ar.get_help());
- exit(1);
+ exit(7);
}
+
// Process command line a second time to override values from config file.
if(dump_vector(ar.read_args(argc,args))||do_help){
dump_vector(ar.get_help());
- exit(1);
+ exit(7);
}
}
-
-
-
if (infile_set==1){
- printf("Opening file for input:%s\n",infile.c_str());
+ fprintf(stderr,"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);
+ fprintf(stderr,"Error: could not open file \"%s\" for reading!\n",infile.c_str());
+ exit (1);
}
}
+ if (outfile_set==1){
+ fprintf(stderr,"Opening file for output:%s\n",outfile.c_str());
+ out_fd=open(outfile.c_str(),O_WRONLY|O_TRUNC);
+ if (out_fd<0){
+ fprintf(stderr,"Error: could not open file \"%s\" for writing!\n",outfile.c_str());
+ exit (1);
+ }
+ }
-
-
+ // The configuration implications according to /cfg007/
+ if (in_fd==0) pause_on_checksum_error=0;
+ if (pause_on_checksum_error==1) ignore_checksum_errors=1;
+ if (output_info||output_called||output_exported||output_unsatisfied)
+ list_contents=0;
+
+
+ // Now we go to read the data!
+
vector<tape_block*> tape;
-
+ vector<vector<tape_block *> > objects;
+ vector<tape_block *> current_object;
tape_block * block=0;
- while(1){
+ bool read_ahead=true;
+ int read_pointer=0;
+ int block_start=0;
+ int block_end=0;
+ int blocks_read=0;
+ bool in_object=false;
+ int errors=0;
+ int warnings=0;
+ int errcode=0;
+
+ while(read_ahead){
block=tape_block::gen_from_fd(in_fd);
- if (block->get_state()==tape_block::TBS_OK){
+
+ block_start=read_pointer+block->get_discarded_bytes();
+ block_end=block_start+block->get_raw_size()-1;
+ read_pointer=block_end+1;
+ //printf("Discarded:%2x, Raw Size:%2x\n",block->get_discarded_bytes(),block->get_raw_size());
+ switch(block->get_state()){ // switchy
+ case tape_block::TBS_EOF_LEGAL:
+ delete block;
+ if (!in_object){
+ fprintf(stderr,"File successfully read.\n");
+ } else {
+ if (ignore_object_integrity_errors){
+ fprintf(stderr,"Warning: Object integrity check failed!\n");
+ warnings++;
+ } else {
+ fprintf(stderr,"Error: Object integrity check failed!\n");
+ errors++;
+ errcode=6;
+ }
+ }
+ read_ahead=false;
+ break;
+ case tape_block::TBS_EOF_ILLEGAL:
+ delete block;
+ if (ignore_block_errors){
+ fprintf(stderr,"Warning: Block integrity check failed!\n");
+ warnings++;
+ } else {
+ fprintf(stderr,"Error: Block integrity check failed!\n");
+ errors++;
+ errcode=3;
+ }
+ read_ahead=false;
+ break;
+ case tape_block::TBS_CHECKSUM:
+ delete block;
+ if (ignore_checksum_errors){
+ fprintf(stderr,"Warning: Block checksum wrong!\n");
+ warnings++;
+ } else {
+ fprintf(stderr,"Error: Block checksum wrong!\n");
+ errors++;
+ read_ahead=false;
+ errcode=4;
+ }
+ break;
+ case tape_block::TBS_DEFAULT:
+ delete block;
+ fprintf(stderr,"TBS_DEFAULT encountered ->> SEVERE INTERNAL ERROR!\n");
+ errors++;
+ errcode=100;
+ read_ahead=false;
+ break;
+ case tape_block::TBS_IOERR:
+ delete block;
+ if (in_fd){
+ fprintf(stderr,"Error: Could not read from \"%s\"!\n",infile.c_str());
+ } else {
+ fprintf(stderr,"Error: Could not read from stdin!\n");
+ }
+ errors++;
+ read_ahead=false;
+ errcode=2;
+ case tape_block::TBS_OK:
tape.insert(tape.end(),block);
- dump_vector(block->get_description());
- }
- else break;
- }
+ blocks_read++;
+
+ if (verbose){
+ char buffer[200];
+ snprintf(buffer,200,"Block No. %3i: Start(hex):%5x End(hex):%5x Size(hex):%3x\n",
+ blocks_read-1,
+ block_start,
+ block_end,
+ block->get_raw_size());
+ write (out_fd,buffer,strlen(buffer));
+ }
+
+ if(list_contents)
+ dump_vector(block->get_description());
+
+ if (block->get_type()==0x10){ // Unknown data block!
+ if (ignore_unknown_block_errors){
+ fprintf(stderr,"Warning: Unknown block type!\n");
+ warnings++;
+ }else {
+ fprintf(stderr,"Error: Unknown block type!\n");
+ errors++;
+ errcode=5;
+ read_ahead=false;
+ }
+ }
+
+ current_object.insert(current_object.end(),block);
+
+ if ((block->get_type()==data_block::TBT_EOT)
+ ||((block->get_type()==0)&&(block->get_subtype()==3))
+ ||((block->get_type()==4)||(block->get_type()==3))
+ ||((block->get_type()==0)&&(block->get_subtype()==014))){
+ in_object=false;
+ objects.insert(objects.end(),current_object);
+ current_object.clear();
+ } else {
+ in_object=true;
+ }
+
+ break;
+ } // switch
+ } // generate loop
+ close(in_fd);
- 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);
+ // Now we have our blocks, tell the user about that!
+ char buffer[200];
+ sprintf(buffer,"Bytes read:%i Blocks read:%i\nErrors:%i Warnings:%i\n",
+ read_pointer,blocks_read,errors,warnings);
+ if(output_info){
+ write (out_fd,buffer,strlen(buffer));
+ } else {
+ fprintf(stderr,buffer);
+ }
+
+ if (errors>0){
+ fprintf(stderr,"Errors make me sick. Goodbye!\n");
+ exit(errcode);
}
+
return 0;
} // main()
projects / h316.git / blobdiff