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//////////////////////////////////////////////////////////////////
// //
// PLINK (c) 2005-2008 Shaun Purcell //
// //
// This file is distributed under the GNU General Public //
// License, Version 2. Please see the file COPYING for more //
// details //
// //
//////////////////////////////////////////////////////////////////
#include <iostream>
#include <sstream>
#include <ctime>
#include "plink.h"
#include "helper.h"
#include "options.h"
#include "sockets.h"
using namespace std;
extern string PVERSION;
extern string PREL;
#define PORT_NUM 80
#define IP_ADDR "155.52.206.11"
#define GET_STRING "GET /~purcell/plink/version2.txt HTTP/1.1\nHost: pngu.mgh.harvard.edu\nConnection: close\n\n"
void Plink::webcheck(CArgs & a)
{
#ifdef SKIP
printLOG("Web-check not implemented on this system...\n");
return;
#else
//////////////////////////////////////////
// First look for a local .pversion file in
// the local directory
// Get today's date
time_t curr=time(0);
string tdstamp = (string)ctime(&curr);
string buf;
stringstream ss(tdstamp);
vector<string> date_tokens;
while (ss >> buf)
date_tokens.push_back(buf);
string thisDate = date_tokens[0] + date_tokens[1] + date_tokens[2];
bool hasRecord = doesFileExist(".pversion");
////////////////////////////////////////////////////////
// Web-based message (but may be cached in local file)
vector<string> tokens;
bool connect2web = true;
printLOG("Web-based version check ( --noweb to skip )\n");
////////////////////////////////////////////
// If we have a record, are we up-to-date?
if ( hasRecord )
{
ifstream VER;
VER.open(".pversion",ios::in);
string oldDay, oldMonth, oldDate, webVersion;
VER >> oldDay >> oldMonth >> oldDate;
if ( thisDate == oldDay+oldMonth+oldDate )
{
printLOG("Recent cached web-check found...");
connect2web = false;
// Read rest of cached web message
while ( ! VER.eof() )
{
string t;
VER >> t;
if (t=="")
break;
tokens.push_back(t);
}
}
VER.close();
}
if ( connect2web )
{
//printLOG("Connecting to web to get version...\n");
tokens = socketConnection( this ,
IP_ADDR,
PORT_NUM,
GET_STRING);
}
bool print = false;
bool print2 = false;
bool version_okay = true;
for (int i=0; i<tokens.size(); i++)
{
if (tokens[i]=="END") break;
if (tokens[i]=="END-MESSAGE")
{
print2=false;
continue;
}
if (tokens[i]=="WARN")
{
if ( i < tokens.size()-1 )
{
i++;
if ( a.find(tokens[i]) )
{
printLOG("\n*** ALERT ***\n*** A warning flag has been set for: "+tokens[i]+
"\n*** See http://pngu.mgh.harvard.edu/purcell/plink/warnings.shtml\n");
warnings = true;
}
}
continue;
}
if (tokens[i]=="FATAL")
{
if ( i < tokens.size()-1 )
{
i++;
if ( a.find( tokens[i]) )
error("A serious warning flag has been set for: "+tokens[i]+
"\nPLINK has been instructed to stop"+
"\nPlease see http://pngu.mgh.harvard.edu/purcell/plink/warnings.shtml\n");
}
continue;
}
if (tokens[i]=="MESSAGE-ALL")
{
print2=true;
continue;
}
// Display any other messages
// Either conditional on old version (print)
// or a broadcast to all users (print2)
if ( ( print && !version_okay) || print2 )
{
if (tokens[i]=="\\n")
printLOG("\n");
else
printLOG(tokens[i]+" ");
}
// Check version code
if (tokens[i]=="PLINK-VERSION")
{
print=true;
if ( i < tokens.size() - 1)
{
if (tokens[i+1] == PVERSION)
printLOG(" OK, v"+PVERSION+" is current\n");
else
{
printLOG("\n\n *** UPDATE REQUIRED ***\n\n");
printLOG("\tThis version : "+PVERSION+PREL+"\n");
printLOG("\tMost recent version : "+tokens[i+1]+"\n\n");
printLOG("Please upgrade your version of PLINK as soon as possible!\n");
printLOG(" (visit the above website for free download)\n\n");
version_okay=false;
}
// Skip the version number
i++;
}
}
}
// did we get the information we needed?
if (!print) printLOG("Problem connecting to web\n");
printLOG("\n");
////////////////////////////////////////////////////
// Create a record that we've checked
// First line is date-stamp; then simply copy the
// whole message
ofstream VER;
VER.open(".pversion",ios::out);
VER << date_tokens[0] << " "
<< date_tokens[1] << " "
<< date_tokens[2] << "\n";
for (int i=0; i<tokens.size(); i++)
VER << tokens[i] << "\n";
VER.close();
#endif
}
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