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/*
This class can wait for an input by the user
Copyright (C) 1998 Martin Vogt
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published by
the Free Software Foundation.
For more information look at the file COPYRIGHT in this package
*/
#include <config.h>
#include "inputInterface.h"
#include "multiReader.h"
#include <iostream>
using namespace std;
InputInterface::InputInterface(){
currentLine= new Buffer(300);
rawLine=new Buffer(300);
loopback=new Buffer(300);
protocolSyntax=false;
currentCommandNumber=42;
multiReader=new MultiReader();
yafInput=new ifstream("yaf.script");
if (yafInput->fail() == false) {
cout << "Command:0 Msg:comment found yaf.script. Parsing first"<<endl;
insertYafScript(yafInput);
}
yafInput->close();
}
InputInterface::~InputInterface(){
delete yafInput;
delete multiReader;
delete currentLine;
delete rawLine;
delete loopback;
}
int InputInterface::addFileDescriptor(int fd) {
int back;
back=multiReader->add(fd);
return back;
}
void InputInterface::removeFileDescriptor(int fd) {
multiReader->remove(fd);
}
int InputInterface::getCurrentCommandNumber() {
int back=0;
back=currentCommandNumber;
return back;
}
void InputInterface::increaseCurrentCommandNumber(){
currentCommandNumber++;
}
int InputInterface::write(int fd,const char* txt) {
int back=0;
int len;
loopback->clear();
if (protocolSyntax == true) {
snprintf(loopback->getData(),300,
"Command:41 Msg:%s",txt);
} else {
strlcpy(loopback->getData(),txt, loopback->getSize());
}
len =loopback->len();
back=::write(fd,loopback->getData(),len);
return back;
}
void InputInterface::waitForLine() {
while(multiReader->hasLine() == false) {
multiReader->waitForLine();
}
multiReader->getLine(rawLine);
makeValidLine(rawLine->getData());
}
void InputInterface::setProtocolSyntax (int proto) {
protocolSyntax=proto;
}
void InputInterface::makeValidLine(char* line) {
int len;
len=strlen(line);
if (len >= 1) {
if (line[len-1] == '\n') {
line[len-1]='\0';
}
}
if (strncmp("noprotocol",line,10) == 0){
setProtocolSyntax(false);
clearLine();
increaseCurrentCommandNumber();
snprintf(currentLine->getData(),300,
"Command:%d Msg:%s",currentCommandNumber,line);
return;
}
if (strncmp("protocol",line,8) == 0 ){
setProtocolSyntax(true);
clearLine();
increaseCurrentCommandNumber();
snprintf(currentLine->getData(),300,
"Command:%d Msg:%s",currentCommandNumber,line);
return;
}
// Now the part if we do _not_ bypass the protocol-state
if (protocolSyntax == false) {
clearLine();
increaseCurrentCommandNumber();
snprintf(currentLine->getData(),300,
"Command:%d Msg:%s",currentCommandNumber,line);
} else {
increaseCurrentCommandNumber();
strlcpy(currentLine->getData(),line, currentLine->getSize());
}
return;
}
void InputInterface::addInputLine(struct Buffer* buffer) {
multiReader->add(buffer);
}
void InputInterface::insertYafScript(ifstream* stream) {
char bst;
int nBytes=0;
Buffer yafScriptBuffer(300);
if (stream->fail()) return;
while (stream->eof()==false) {
stream->get(bst);
if (stream->eof()) break;
yafScriptBuffer.append(&bst,1);
}
nBytes=(yafScriptBuffer.len()-1); // EOF is a character we dont want
addInputLine(&yafScriptBuffer);
}
int InputInterface::hasLine() {
if (currentLine->len() == 0) return 0;
return 1;
}
void InputInterface::clearLine() {
currentLine->clear();
}
char* InputInterface::getLine() {
char* back=NULL;
back=currentLine->getData();
#ifdef _DEBUG_INPUT
ofstream infile("instream.dbg",ios::app);
infile << back <<endl;
infile.close();
#endif
return back;
}
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