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/*
Miranda IM Country Flags Plugin
Copyright (C) 2006-2007 H. Herkenrath
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program (Flags-License.txt); if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "stdafx.h"
extern HINSTANCE hInst;
extern int nCountriesCount;
extern struct CountryListEntry *countries;
static HANDLE hServiceIpToCountry;
/************************* Bin Records ****************************/
#define DATARECORD_SIZE (sizeof(DWORD)+sizeof(DWORD)+sizeof(WORD))
// mir_free() the return value
static BYTE* GetDataHeader(BYTE *data,DWORD cbDataSize,DWORD *pnDataRecordCount)
{
BYTE *recordData;
/* uncompressed size stored in first DWORD */
*pnDataRecordCount=(*(DWORD*)data)/DATARECORD_SIZE;
recordData=(BYTE*)mir_alloc(*(DWORD*)data);
if (recordData != NULL)
Huffman_Uncompress(data+sizeof(DWORD),recordData,cbDataSize-sizeof(DWORD),*(DWORD*)data);
return recordData;
}
static int GetDataRecord(BYTE *data,DWORD index,DWORD *pdwFrom,DWORD *pdwTo)
{
data+=index*DATARECORD_SIZE;
*pdwFrom=*(DWORD*)data;
data+=sizeof(DWORD);
if (pdwTo != NULL) *pdwTo=*(DWORD*)data;
data+=sizeof(DWORD);
return (int)*(WORD*)data;
}
/************************* Record Cache ***************************/
static mir_cs csRecordCache;
static DWORD nDataRecordsCount; /* protected by csRecordCache */
static BYTE *dataRecords; /* protected by csRecordCache */
#define UNLOADDELAY 30*1000 /* time after which the data records are being unloaded */
static void CALLBACK UnloadRecordCache(LPARAM)
{
mir_cslock lck(csRecordCache);
mir_free(dataRecords);
dataRecords=NULL;
}
// function assumes it has got the csRecordCache mutex
static BOOL EnsureRecordCacheLoaded(BYTE **pdata,DWORD *pcount)
{
HRSRC hrsrc;
DWORD cb;
mir_cslock lck(csRecordCache);
if (dataRecords == NULL) {
/* load record data list from resources */
hrsrc=FindResource(hInst,MAKEINTRESOURCE(IDR_IPTOCOUNTRY),_T("BIN"));
cb=SizeofResource(hInst,hrsrc);
dataRecords=(BYTE*)LockResource(LoadResource(hInst,hrsrc));
if (cb<=sizeof(DWORD) || dataRecords == NULL)
return FALSE;
/* uncompress record data */
dataRecords=GetDataHeader(dataRecords,cb,&nDataRecordsCount);
if (dataRecords == NULL || !nDataRecordsCount)
return FALSE;
}
*pdata=dataRecords;
*pcount=nDataRecordsCount;
return TRUE;
}
static void LeaveRecordCache(void)
{
/* mark for unload */
CallFunctionBuffered(UnloadRecordCache,0,FALSE,UNLOADDELAY);
}
/************************* Services *******************************/
INT_PTR ServiceIpToCountry(WPARAM wParam, LPARAM)
{
BYTE *data;
DWORD dwFrom,dwTo;
DWORD low=0,i,high;
int id;
if (EnsureRecordCacheLoaded(&data,&high)) {
/* binary search in record data */
GetDataRecord(data,low,&dwFrom,NULL);
--high;
if (wParam>=dwFrom) /* only search if wParam valid */
while (low<=high) {
i=low+((high-low)/2);
/* analyze record */
id=GetDataRecord(data,i,&dwFrom,&dwTo);
if (dwFrom<=wParam && dwTo>=wParam) { LeaveRecordCache(); return id; }
if (wParam>dwTo) low=i+1;
else high=i-1;
}
LeaveRecordCache();
}
return 0xFFFF; /* Unknown */
}
/************************* Bin Converter **************************/
#ifdef BINCONV
#include <stdio.h>
#include <stdlib.h>
struct {
const char *szMir;
const char *szCSV;
} static const differentCountryNames[]={
{"British Virgin Islands","VIRGIN ISLANDS, BRITISH"},
{"Brunei","BRUNEI DARUSSALAM"},
{"Cape Verde Islands","CAPE VERDE"},
{"Cocos-Keeling Islands","COCOS (KEELING) ISLANDS"},
{"Chile, Republic of","CHILE"},
{"Congo, Democratic Republic of (Zaire)","THE DEMOCRATIC REPUBLIC OF THE CONGO"},
{"Congo, Republic of the","CONGO"},
{"Cote d'Ivoire (Ivory Coast)","COTE D'IVOIRE"},
{"Diego Garcia","BRITISH INDIAN OCEAN TERRITORY"},
{"Guam, US Territory of","GUAM"},
{"Iran (Islamic Republic of)","ISLAMIC REPUBLIC OF IRAN"},
{"Korea, North","REPUBLIC OF KOREA"},
{"Laos","LAO PEOPLE'S DEMOCRATIC REPUBLIC"},
{"Reunion Island","REUNION"},
{"Russia","RUSSIAN FEDERATION"},
{"Saipan Island (Northern Mariana Islands)","NORTHERN MARIANA ISLANDS"},
{"Tanzania","UNITED REPUBLIC OF TANZANIA"},
{"USA","UNITED STATES"},
{"Macau","MACAO"},
{"Macedonia (F.Y.R.O.M.)","THE FORMER YUGOSLAV REPUBLIC OF MACEDONIA"},
{"Micronesia, Federated States of","FEDERATED STATES OF MICRONESIA"},
{"Mayotte Island","MAYOTTE"},
{"Moldova, Republic of","REPUBLIC OF MOLDOVA"},
{"Vietnam","VIET NAM"},
{"Virgin Islands (USA)","VIRGIN ISLANDS, U.S."},
{"Vatican City","HOLY SEE (VATICAN CITY STATE)"},
{"Serbia, Republic of","SERBIA"},
{"Montenegro, Republic of","MONTENEGRO"},
};
#define ALLOC_STEP (800*1024) /* approx. size of data output */
struct ResizableByteBuffer {
BYTE *buf;
DWORD cbLength,cbAlloced;
};
static void AppendToByteBuffer(struct ResizableByteBuffer *buffer,const void *append,DWORD cbAppendSize)
{
if (buffer->cbAlloced<=buffer->cbLength+cbAppendSize) {
BYTE* buf=(BYTE*)mir_realloc(buffer->buf,buffer->cbAlloced+ALLOC_STEP+cbAppendSize);
if (buf == NULL) return;
buffer->buf=buf;
buffer->cbAlloced+=ALLOC_STEP+cbAppendSize;
OutputDebugStringA("reallocating memory...\n"); /* all ascii */
}
memcpy(&buffer->buf[buffer->cbLength],append,cbAppendSize);
buffer->cbLength+=cbAppendSize;
}
static int EnumIpDataLines(const char *pszFileCSV,const char *pszFileOut)
{
FILE *fp;
char line[1024],out[512],*pszFrom,*pszTo,*pszTwo,*pszCountry,*buf;
int i,j;
DWORD dwOut;
WORD wOut;
struct ResizableByteBuffer buffer;
memset(&buffer, 0, sizeof(buffer));
fp=fopen(pszFileCSV,"rt");
if (fp != NULL) {
OutputDebugStringA("Running IP data convert...\n"); /* all ascii */
while (!feof(fp)) {
if (fgets(line,sizeof(line),fp) == NULL) break;
/* get line data */
pszFrom=line+1;
pszTo=strchr(pszFrom,',');
*(pszTo-1)='\0'; pszTo+=2;
pszTwo=strchr(pszTo,',');
*(pszTwo-1)='\0'; pszTwo+=2;
pszCountry=strchr(pszTwo,',')+1;
pszCountry=strchr(pszCountry,',')+2;
buf=strchr(pszCountry,'"');
*buf=pszTwo[2]='\0';
/* corrections */
if (!mir_tstrcmpi(pszCountry,"ANTARCTICA")) continue;
if (!mir_tstrcmpi(pszCountry,"TIMOR-LESTE")) continue;
if (!mir_tstrcmpi(pszCountry,"PALESTINIAN TERRITORY, OCCUPIED"))
mir_tstrcpy(pszCountry,"ISRAEL");
else if (!mir_tstrcmpi(pszCountry,"UNITED STATES MINOR OUTLYING ISLANDS"))
mir_tstrcpy(pszCountry,"UNITED STATES");
else if (!mir_tstrcmpi(pszCountry,"SOUTH GEORGIA AND THE SOUTH SANDWICH ISLANDS"))
mir_tstrcpy(pszCountry,"UNITED KINGDOM");
else if (!mir_tstrcmpi(pszTwo,"JE")) /* map error */
mir_tstrcpy(pszCountry,"UNITED KINGDOM");
else if (!mir_tstrcmpi(pszTwo,"AX")) /* Åland Island belongs to Finland */
mir_tstrcpy(pszCountry,"FINLAND");
else if (!mir_tstrcmpi(pszTwo,"ME"))
mir_tstrcpy(pszCountry,"MONTENEGRO");
else if (!mir_tstrcmpi(pszTwo,"RS") || !mir_tstrcmpi(pszTwo,"CS"))
mir_tstrcpy(pszCountry,"SERBIA");
/* convert */
for(i=0;i<nCountriesCount;i++) {
/* map different writings */
for(j=0;j<_countof(differentCountryNames);j++)
if (!mir_tstrcmpi(countries[i].szName,differentCountryNames[j].szMir)) {
buf=(char*)differentCountryNames[j].szCSV;
break;
}
if (j == _countof(differentCountryNames))
buf=(char*)countries[i].szName;
/* check country */
if (!mir_strcmpi(pszCountry,buf)) {
dwOut=(DWORD)atoi(pszFrom);
AppendToByteBuffer(&buffer,(void*)&dwOut,sizeof(DWORD));
dwOut=(DWORD)atoi(pszTo);
AppendToByteBuffer(&buffer,(void*)&dwOut,sizeof(DWORD));
wOut=(WORD)countries[i].id;
AppendToByteBuffer(&buffer,(void*)&wOut,sizeof(WORD));
break;
}
}
/* not in list */
if (i == nCountriesCount) {
mir_snprintf(out, _countof(out), "Unknown: %s-%s [%s, %s]\n", pszFrom, pszTo, pszTwo, pszCountry);
OutputDebugStringA(out); /* all ascii */
}
}
fclose(fp);
OutputDebugStringA("Done!\n"); /* all ascii */
if (buffer.buf != NULL) {
HANDLE hFileOut;
DWORD cbWritten=0;
BYTE *compressed;
DWORD cbCompressed;
/* compress whole data */
OutputDebugStringA("Compressing...\n"); /* all ascii */
compressed=(BYTE*)mir_alloc(buffer.cbAlloced+384);
if (compressed != NULL) {
cbCompressed=Huffman_Compress(buffer.buf,compressed,buffer.cbLength);
OutputDebugStringA("Done!\n"); /* all ascii */
OutputDebugStringA("Writing to file...\n"); /* all ascii */
hFileOut=CreateFile(pszFileOut,GENERIC_WRITE,FILE_SHARE_READ,NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
if (hFileOut != INVALID_HANDLE_VALUE) {
/* store data length count at beginning */
dwOut=buffer.cbLength;
WriteFile(hFileOut,&dwOut,sizeof(DWORD),&cbWritten,NULL);
/* store compressed data records */
WriteFile(hFileOut,compressed,cbCompressed,&cbWritten,NULL);
CloseHandle(hFileOut);
}
OutputDebugStringA("Done!\n"); /* all ascii */
mir_free(compressed);
}
mir_free(buffer.buf);
}
return 0;
}
return 1;
}
static void BinConvThread(void *unused)
{
/* debug version only */
if (MessageBox(NULL,_T("Looking for 'ip-to-country.csv' in current directory.\n"
"It will be converted into 'ip-to-country.bin'.\n"
"See debug output for more details.\n"
"This process may take very long."),_T("Bin Converter"),MB_OKCANCEL|MB_ICONINFORMATION|MB_SETFOREGROUND|MB_TOPMOST|MB_TASKMODAL) == IDOK) {
EnumIpDataLines("ip-to-country.csv","ip-to-country.bin");
MessageBox(NULL,_T("Done!\n'ip-to-country.bin' has been created in current directory."),_T("Bin Converter"),MB_OK|MB_ICONINFORMATION|MB_SETFOREGROUND|MB_TOPMOST|MB_TASKMODAL);
}
}
#endif // BINCONV
/************************* Misc ***********************************/
void InitIpToCountry(void)
{
nDataRecordsCount=0;
dataRecords=NULL;
/* Services */
hServiceIpToCountry=CreateServiceFunction(MS_FLAGS_IPTOCOUNTRY,ServiceIpToCountry);
#ifdef BINCONV
mir_forkthread(BinConvThread,NULL);
#endif
}
void UninitIpToCountry(void)
{
mir_free(dataRecords); /* does NULL check */
/* Servcies */
DestroyServiceFunction(hServiceIpToCountry);
}
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