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DNWA/11/wywolania/Data/stide_v1.2/config.C

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2021-01-28 18:33:55 +01:00
#include <stdlib.h>
#include <stdio.h>
#include <fstream>
#include <string>
#include <vector>
#include "config.h"
#include "opt_info.h"
#define LF_LIM 999
#define SEQ_LEN_LIM 199
#define MAX_ELEM_LIM 999
#define MAX_STREAMS_LIM 9999
using std::vector;
using std::cout;
using std::cerr;
using std::endl;
/**********************************************************************
* Config() *
* Reads in configuration information from configuration file, from *
* the command line, and from preset defaults. *
* *
* Input: int argc: Number of arguments on command line *
* char *argv[]: Array of strings of actual arguments *
* *
* Output: Nothing *
*********************************************************************/
Config::Config(const int argc, const char *argv[])
{
vector<OptInfo> opt_array(NUM_OPTS);
InitOptArray(opt_array);
SetDefaults();
ReadCommandLine(argc, argv, opt_array);
ReadConfigFile(opt_array);
CheckValues();
InitOutputFormat();
OuputConfigInfo(opt_array);
}
/*********************************************************************
* InitOptArray() *
* Sets the values of opt_array so that opr_array contains all the *
* information needed about the parameters being set by the config *
* file and the command-line arguments. *
* *
* Input: vector<OptInfo> &opt_array: Array of information about *
* options for the program *
* *
* Output: Nothing *
*********************************************************************/
void Config::InitOptArray(vector<OptInfo> &opt_array)
{
// opt_array.reserve(NUM_OPTS);
opt_array[0].long_name = "db_name";
opt_array[0].short_name = "d";
opt_array[0].set = 0;
opt_array[0].type = 's';
opt_array[0].str_val = &db_name;
opt_array[1].long_name = "seq_len";
opt_array[1].short_name = "l";
opt_array[1].set = 0;
opt_array[1].type = 'i';
opt_array[1].int_val = &seq_len;
opt_array[2].long_name = "max_elements";
opt_array[2].short_name = "me";
opt_array[2].set = 0;
opt_array[2].type = 'i';
opt_array[2].int_val = &max_elements;
opt_array[3].long_name = "max_streams";
opt_array[3].short_name = "ms";
opt_array[3].set = 0;
opt_array[3].type = 'i';
opt_array[3].int_val = &max_streams;
opt_array[4].long_name = "cfg_name";
opt_array[4].short_name = "c";
opt_array[4].set = 0;
opt_array[4].type = 's';
opt_array[4].str_val = &cfg_name;
opt_array[5].long_name = "pair_offset";
opt_array[5].short_name = "p";
opt_array[5].set = 0;
opt_array[5].type = 'i';
opt_array[5].int_val = &pair_offset;
opt_array[6].long_name = "add_output_format";
opt_array[6].short_name = "aof";
opt_array[6].set = 0;
opt_array[6].type = 's';
opt_array[6].str_val = &add_output_format;
opt_array[7].long_name = "compare_output_format";
opt_array[7].short_name = "cof";
opt_array[7].set = 0;
opt_array[7].type = 's';
opt_array[7].str_val = &compare_output_format;
opt_array[8].long_name = "add_to_db";
opt_array[8].short_name = "a";
opt_array[8].set = 0;
opt_array[8].type = 'f';
opt_array[8].int_val = &add_to_db;
opt_array[9].long_name = "output_graph";
opt_array[9].short_name = "g";
opt_array[9].set = 0;
opt_array[9].type = 'f';
opt_array[9].int_val = &output_graph;
opt_array[10].long_name = "compute_hdist";
opt_array[10].short_name = "hd";
opt_array[10].set = 0;
opt_array[10].type = 'f';
opt_array[10].int_val = &compute_hdist;
opt_array[11].long_name = "lf_size";
opt_array[11].short_name = "lf";
opt_array[11].set = 0;
opt_array[11].type = 'i';
opt_array[11].int_val = &lf_size;
opt_array[12].long_name = "write_db_stats";
opt_array[12].short_name = "s";
opt_array[12].set = 0;
opt_array[12].type = 'f';
opt_array[12].int_val = &write_db_stats;
opt_array[13].long_name = "verbose";
opt_array[13].short_name = "v";
opt_array[13].set = 0;
opt_array[13].type = 'f';
opt_array[13].int_val = &verbose;
opt_array[14].long_name = "very_verbose";
opt_array[14].short_name = "V";
opt_array[14].set = 0;
opt_array[14].type = 'f';
opt_array[14].int_val = &very_verbose;
opt_array[15].long_name = "help";
opt_array[15].short_name = "h";
opt_array[15].set = 0;
opt_array[15].type = 'h';
}
/*********************************************************************
* SetDefaults() *
* Sets conifiguration variables to their default values *
* *
* Input: None *
* *
* Output: None *
********************************************************************/
void Config::SetDefaults()
{
cfg_name = "stide.config";
db_name = "default.db";
seq_len = 6;
max_elements = 500;
max_streams = 500;
pair_offset = 0;
add_output_format = "DB Size: %d\tStream: %s\tPair Number: %p\n";
compare_output_format = "Pair Number: %p\tStream Number: %s\n";
lf_size = 1;
add_to_db = 0;
output_graph = 0;
compute_hdist = 0;
write_db_stats = 0;
verbose = 0;
very_verbose = 0;
num_fvars = 0;
}
/*********************************************************************
* ReadCommandLine() *
* Parses the command line. Updates configuration variables. *
* *
* const int argc Number of arguments *
* const char *argv[], Array of arguments *
* vector<OptInfo> &opt_array Constant array of information about *
* the configuration variables *
********************************************************************/
void Config::ReadCommandLine(const int argc, const char *argv[],
vector<OptInfo> &opt_array)
{
string var_name; // Name of variable
string var_val; // Value of variable
int name_type; // LONG_NAME or SHORT_NAME
int argv_i = 1; // First index of argv
int argv_j = 0; // Second index of argv
while (argv_i < argc) {
if (argv[argv_i][argv_j] != '-') {
cerr<< "ERROR: Switches must be preceeded by a dash: "<<argv[argv_i]
<< endl << " is illegal" << endl;
exit(-1);
}
argv_j++;
if (argv[argv_i][argv_j] == '-') { // Long name
argv_j++;
name_type = LONG_NAME;
}
else {
name_type = SHORT_NAME;
}
// Read name into var_name
var_name = argv[argv_i]+argv_j;
// Now we want to read the value, if there is one.
argv_j = 0;
if (++argv_i < argc) {
if (argv[argv_i][argv_j] != '-') {
var_val = argv[argv_i];
argv_i++;
}
}
// assign value to appropriate variable
AssignValToVar(opt_array, var_val, var_name, name_type);
// Blank var_name and var_val for next time around
var_name.resize(0);
var_val.resize(0);
}
}
/*********************************************************************
* AssignValToVar() *
* Figures out which variable to assign a given value to and does *
* so. Updates opt_array, to say that that particular variable *
* has been set. *
* *
* Input: vector<OptInfo> &opt_array Option Information *
* const string &var_val Value to be assigned *
* const string &var_name Name of variable to be updated *
* const int name_type SHORT_NAME or LONG_NAME *
* *
* Output: None *
********************************************************************/
void Config::AssignValToVar(vector<OptInfo> &opt_array, const string
&var_val, const string &var_name, const
int name_type)
{
int opt_i;
for (opt_i = 0; opt_i < NUM_OPTS; opt_i++) {
if (((name_type == LONG_NAME) && (opt_array[opt_i].long_name ==
var_name)) ||
((name_type == SHORT_NAME) && (opt_array[opt_i].short_name ==
var_name))) {
// If we have already set this variable and shouldn't change it,
// don't
if (opt_array[opt_i].set == 1) {
break;
}
switch (opt_array[opt_i].type) {
case 'f': // flag
if ((var_val.length() == 0) || (var_val == "On") ||
(var_val == "ON") || (var_val == "on")) {
*(opt_array[opt_i].flag_val) = 1;
opt_array[opt_i].set = 1;
}
else if ((var_val != "Off") && (var_val != "off") &&
(var_val != "OFF")) {
cerr << "ERROR: Illegal value for parameter " << var_name
<< ". This parameter is a simple flag," << endl
<< "and may be followed by \"on\", \"off\", or nothing "
<< "(which turns it on). The current value is "
<< var_val << ". Aborting...";
exit(-1);
}
break;
case 'i':
// If there isn't a value, just use the default
if (var_val.length() == 0) {
break;
}
*(opt_array[opt_i].int_val) = atoi(var_val.c_str());
opt_array[opt_i].set = 1;
break;
case 's':
// If there is no string given, just use the default
if (var_val.length() == 0) {
break;
}
*(opt_array[opt_i].str_val) = var_val;
opt_array[opt_i].set = 1;
break;
case 'h':
WriteHelpInfo();
} // end of switch
return; // we've found it, so we're done
} // end of if (opt_array[opt_i]...
} // end of for (opt_i = 0; ...
}
/*********************************************************************
* ReadConfigFile() *
* Parses the configuration file. Updates configuration *
* variables. *
* *
* Input: vector<OptInfo> &opt_array: Option information *
* *
* Output: None *
********************************************************************/
void Config::ReadConfigFile(vector<OptInfo> &opt_array)
{
string var_name;
string var_val;
// Set up stream for reading configuration
ifstream cfg_file(cfg_name.c_str());
string buff;
int buff_i = 0; // index for buff
int opt_i = 0; // index for opt_array
int rev_num; // revision number of configuration file
if (!cfg_file.is_open()) {
cerr<<"WARNING: Cannot open configuration file "<<cfg_name
<<". I will continue, using the" <<endl
<<"default values and the command line arguments." << endl
<<"If that isn't what you wanted, type Ctrl-C now to abort."
<< endl;
return;
}
// First we need to determine if the configuration file is old-style
// or new-style, i.e., is there a #ConfigFileRev: in the first
// line. We can determine this just be checking the first
// character.
char c = cfg_file.peek();
// Config file is empty; just return
if (cfg_file.eof()) {
return;
}
// If old-style
if (c != '#') {
cerr << "WARNING: The first line of the configuration file did "
<< "not contain the string" << endl
<< "\"#ConfigFileRev: " << CFREV << "\"." << endl
<< "I will assume that this is an old format configuration "
<< "file." << endl
<<"If that isn't what you wanted, type Ctrl-C now to abort."
<< endl << endl;
ReadOldConfigFile(cfg_file, opt_array);
return;
}
// Look for "#ConfigFileRev:"
cfg_file >> buff;
if (buff != "#ConfigFileRev:") {
cerr << "ERROR: I expected the first line of the configuration "
<< "file to either be \"#ConfigFileRev: \" followed by the "
<< "revision number or the beginning of an old-style "
<< "configuration file, which does not have a comment in the "
<< "first line. I'm confused, so I will abort..."
<< endl << endl;
exit(-1);
}
cfg_file >> rev_num;
if (rev_num > CFREV) {
cerr << "ERROR: This version of STIDE does not know how to deal "
<< "with configuration files" << endl
<< "more modern than revision " << CFREV << ". Aborting..."
<<endl;
exit(-1);
}
if (rev_num < CFREV) {
cerr << "ERROR: Configuration files must be revision " << CFREV
<< "or later, " << "or an old-style" << endl
<< "configuration file without a revision number. "
<< "Aborting..." << endl;
exit(-1);
}
// Now we know everything's as we expect, so we'll parse the file
while (!cfg_file.eof()) {
// Skip white space at the beginning of the line
while (isspace(buff[buff_i])) {
buff_i++;
}
// If buff is empty, move on to next line
if (buff.length() <= buff_i) {
getline(cfg_file, buff);
buff_i = 0;
continue;
}
// If we start with a comment, move on to next line
if (buff[buff_i] == '#') {
getline(cfg_file, buff);
buff_i = 0;
continue;
}
// Read in variable name, up to the :
int start_place = buff_i; // the beginning place of the name
while (buff[buff_i] != ':' && (buff_i < buff.length())) {
buff_i++;
}
if (buff[buff_i] == buff.length()) {
cerr << "ERROR: Variable names in the configuration file must "
<< "be followed by a colon. The line " << endl
<< buff << endl << "contains a variable name which is not "
<< "terminated by a colon. Aborting..." <<endl;
exit(-1);
}
// This assigns the values in buff between start_place and buff_i
// to var_name
var_name.assign(buff, start_place, buff_i - start_place);
// Skip colon
buff_i++;
// Skip white space
while (isspace(buff[buff_i])) { buff_i++; }
start_place = buff_i; // the starting place of the value
// Find last point in value. If it starts with a quote, it ends
// with a quote.
if ((buff[buff_i] == '\"') && (buff_i < buff.length())) {
while (buff[buff_i] != '\"') {
buff_i++;
}
// Strip off first "
start_place++;
}
// Otherwise, it ends with a space, a # or the end of the line
else {
while ((buff_i < buff.length()) && (!isspace(buff[buff_i])) &&
(buff[buff_i] != '#')) {
buff_i++;
}
}
var_val.assign(buff, start_place, buff_i - start_place);
// Now we want to check to see if the line was continued, in which
// case we haven't gotten the value of the variable in var_val, so
// we still need to do that.
if (buff[buff_i-1] == '\\') {
getline(cfg_file, buff);
buff_i = 0;
while (isspace(buff[buff_i])) { buff_i++; }
start_place = buff_i;
// Find last point in value. If it starts with a quote, it ends with a
// quote.
if (buff[buff_i] == '\"') {
buff_i++;
while ((buff[buff_i] != '\"') && (buff_i < buff.length())) {
buff_i++;
}
start_place++; // Strip off first "
}
// Otherwise, it ends with a space, a # or the end of the line
else {
while ((buff_i < buff.length()) && (!isspace(buff[buff_i])) &&
(buff[buff_i] != '#')) {
buff_i++;
}
}
var_val.assign(buff, start_place, buff_i - start_place);
}
// assign value to appropriate variable
AssignValToVar(opt_array, var_val, var_name, LONG_NAME);
getline(cfg_file, buff);
buff_i = 0;
} //end of while (!cfg_file.eof())...
}
/*********************************************************************
* ReadOldConfigFile() *
* Reads information from an old-style configuration file. *
* Updates configuration variables. *
* *
* Input: ifstream &cfg_file Configuration file (already opened) *
* vector<OptInfo> &opt_array: Option information *
* *
* Output: None *
********************************************************************/
void Config::ReadOldConfigFile(ifstream &cfg_file,
vector<OptInfo> &opt_array)
{
string buff;
string var_name;
string var_val;
var_name = "max_elements";
cfg_file>>var_val;
AssignValToVar(opt_array, var_val, var_name, LONG_NAME);
getline(cfg_file, buff);
var_name = "max_streams";
cfg_file>>var_val;
AssignValToVar(opt_array, var_val, var_name, LONG_NAME);
getline(cfg_file, buff);
// Next line is hash table size, but we are now figuring that out
// dynamically, so just throw it away.
getline(cfg_file, buff);
// Now read in the format string
getline(cfg_file, var_val);
// Put the format string in the appropriate place
if (add_to_db) {
var_name = "add_output_format";
AssignValToVar(opt_array, var_val, var_name, LONG_NAME);
}
else {
var_name = "compare_output_format";
AssignValToVar(opt_array, var_val, var_name, LONG_NAME);
}
}
/*********************************************************************
* CheckValues() *
* Checks configuration values that have been read in to make *
* sure that they are within the limits. Flags are automatically *
* checked while being read in, the output formats are checked *
* in InitOutputFormat(), and filenames are checked when they are *
* opened, so all that is left is the integer values. *
* *
* Input: None *
* *
* Output: None *
********************************************************************/
void Config::CheckValues()
{
if ((lf_size < 1) || (lf_size > LF_LIM)) {
cerr << "ERROR: lf_size must be between 1 and " << LF_LIM
<< ". It has been set to " << lf_size << ". Aborting..." << endl;
exit(-1);
}
if ((seq_len < 1) || (seq_len > SEQ_LEN_LIM)) {
cerr << "ERROR: seq_len must be between 1 and " << SEQ_LEN_LIM
<< ". It has been set to " << seq_len << ". Aborting..." << endl;
exit(-1);
}
if ((max_elements < 1) || (max_elements > MAX_ELEM_LIM)) {
cerr << "ERROR: max_elements must be between 1 and " << MAX_ELEM_LIM
<< ". It has been set to " << max_elements
<< ". Aborting..." << endl;
exit(-1);
}
if ((max_streams < 1) || (max_streams > MAX_STREAMS_LIM)) {
cerr << "ERROR: max_streams must be between 1 and " << MAX_STREAMS_LIM
<< ". It has been set to " << max_streams
<< ". Aborting..." << endl;
exit(-1);
}
}
/*********************************************************************
* InitOutputFormat() *
* Converts the string add_output_format or compare_output_format *
* to information filling fmt_str and num_fvars, which is more *
* convenient for output. *
* *
* Input: None *
* *
* Output: None *
********************************************************************/
void Config::InitOutputFormat()
{
// Now we analyze add_output_format or compare_output_format
int flag = 0;
int f_i = 0;
num_fvars = 0;
string *buff;
// If we're not in verbose or very_verbose modes, we're never going
// to use this information, so don't waste our time doing this
if (!(verbose || very_verbose)) {
return;
}
if (add_to_db) {
buff = &add_output_format;
}
else {
buff = &compare_output_format;
}
for (int i = 0; i <(*buff).length(); i++) {
switch ((*buff)[i]) {
case '\\':
i++;
switch ((*buff)[i]) {
case 't': fmt_str[num_fvars][f_i] = '\t'; break;
case 'n': fmt_str[num_fvars][f_i] = '\n'; break;
}
break;
case '%':
fmt_str[num_fvars][f_i] = '%';
flag = 1;
break;
default:
fmt_str[num_fvars][f_i] = (*buff)[i];
if (flag) {
switch (fmt_str[num_fvars][f_i]) {
case 'd': // database size
case 'i': // number of last value of sequence in this
// data stream
case 'p': // number of last value of sequence in entire
// input
case 's': // external stream ID
case 'a': // flag for whether this sequence is anomalous
case 'c': // locality frame count of this sequence
case 'h': // Hamming distance for this sequence
// Record that we must write that val at that position
write_val[num_fvars] = fmt_str[num_fvars][f_i];
fmt_str[num_fvars][f_i] = 'd';
fmt_str[num_fvars][f_i + 1] = '\0';
num_fvars++;
f_i = -1;
flag = 0;
break;
default: // Unknown flag
cerr << "ERROR: Illegal control character in output format."
<< " Type stide -h for help." << endl;
}
}
} // switch ((*buff)[i ...
f_i++;
}
fmt_str[num_fvars][f_i] = '\0';
}
/*********************************************************************
* OutputConfigInfo() *
* Writes information about the final configuration to standard *
* output. Does so in a format that could be used as a *
* configuration file. Changes no values anywhere. *
* *
* Input: const vector<OptInfo> &opt_array Option Information *
* *
* Output: None *
********************************************************************/
void Config::OuputConfigInfo(const vector<OptInfo> &opt_array) const
{
cout<<"This run was configured using configuration file "
<< cfg_name << " and command" << endl
<< "line arguments. The configuration values were as "
<< "follows." << endl
<<"#ConfigFileRev: " << CFREV << endl;
for (int i = 0; i < NUM_OPTS; i++) {
if (opt_array[i].type == 'i') {
cout << opt_array[i].long_name << ": " << *(opt_array[i].int_val)
<< endl;
}
if ((opt_array[i].type == 's') &&
((add_to_db && (opt_array[i].short_name == "aof")) ||
(!add_to_db && (opt_array[i].short_name == "cof")))) {
cout << opt_array[i].long_name << ": \"" << *(opt_array[i].str_val)
<< "\"" << endl;
}
if (opt_array[i].type == 'f') {
if (*(opt_array[i].int_val) == 1) {
cout << opt_array[i].long_name << ": On" << endl;
}
if (*(opt_array[i].int_val) == 0) {
cout << opt_array[i].long_name << ": Off" << endl;
}
}
}
cout << endl << endl;
// Now print header for verbose modes
if (verbose || very_verbose) {
cout<<endl<<"Variables in output: "<<endl;
for (int j = 0; j < num_fvars; j++) {
switch (write_val[j]) {
case 's': cout<<"stream #, "; break;
case 'i': cout<<"index #, "; break;
case 'h': if (compute_hdist) {cout<<"hamming miss, "; } break;
case 'c': if (lf_size > 1) {cout<<"lfc, "; } break;
case 'p': cout<<"pair #, "; break;
case 'd': cout<<"db size, "; break;
case 'a': cout<<"is anomalous?, "; break;
}
}
cout<<endl;
}
}
/*********************************************************************
* WriteHelpInfo() *
* Writes help information to standard output. Changes no values.*
* *
* Input: None *
* *
* Output: None *
* *
********************************************************************/
void Config::WriteHelpInfo() const
{
cout<<"STIDE accepts calls of the form:"<<endl
<<" stide -c cfg_name -d db_name -e max_num_elements"
<<" -lf lf_size -l seq_len"<<endl<<" -n max_num_streams"
<<" -p pair_num_offset -aof add_out_format "
<< endl << " -cof comp_out_format -a -g -h -m -s -v -V"
<< endl << endl;
cout<<"STIDE expects input to come through standard input in"
<<" the format of a pair"<<endl
<<"of integers per line, where the first integer is a"
<<" stream identifier"<<endl
<<"and the second is a data element. Command line"
<<" arguments override"<<endl
<<"specifications in the configuration file. All"
<<" parameters are optional"<<endl
<<"and can be specified in any order. Parameters"
<<" are always preceded by a"<<endl
<<"switch. The switches are:"<<endl<<endl;
cout<<"-a Add to database; defaults to off"<<endl;
cout<<"-c cfg_name The name of file containing the"
<<" configuration;"<<endl
<<" defaults to \"stide.config\""<<endl;
cout<<"-d db_name The name of the file containing"
<<" the database;"<<endl
<<" defaults to \"default.db\""<<endl;
cout<<"-lf lf_size The size of the locality frame;"
<<" defaults to 1"<<endl;
cout<<"-g Write graphing data in dot format to"
<<" db_name.dot;"<<endl
<<" defaults to off"<<endl;
cout<<"-h Help; displays this information"<<endl;
cout<<"-l seq_len Length of sequence; defaults to 6"
<<endl;
cout<<"-p pair_offset Offset for pair number count;"
<<" defaults to 0"<<endl;
cout<<"-s Display db stats; defaults to off"
<<endl;
cout<<"-v Verbose mode on; defaults to off"<<endl;
cout<<"-V Very verbose mode on; defaults to off"<<endl;
cout<<"-hd Compute Hamming distance measures;"
<<" defaults to off"<<endl;
cout<<"-me max_elements Maximum number of different"
<<" elements"<<endl
<<" in the input stream; defaults to"
<<" 500" <<endl;
cout<<"-ms max_num_streams Maximum number of different"
<<" streams in input;"<<endl
<<" defaults to 100"<<endl;
cout<<"-aof add_out_format Format for output when adding to"
<<" database"<<endl
<<" in verbose or very_verbose"
<<" modes; defaults to"<<endl
<<" \"DB Size: %d\\tStream: "
<<"%s\\tPair Number: %p\\n\""<<endl;
cout<<"-cof compare_out_format Format for output when comparing"
<<" with database"<<endl
<<" in verbose or very_verbose modes;"
<<" defaults to"<<endl
<<" \"Pair Number: %p\\tStream"
<<" Number: %s\\n\""<<endl;
exit(-1);
}
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