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/*
Miranda IM: the free IM client for Microsoft* Windows*
Copyright 2000-2006 Miranda ICQ/IM project,
all portions of this codebase are copyrighted to the people
listed in contributors.txt.
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; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "commonheaders.h"
#include <m_protomod.h>
int Proto_IsProtocolLoaded(WPARAM wParam,LPARAM lParam);
//Protocol chain is list of integers "0".."n", with network protocol named "p"
static int Proto_CallContactService(WPARAM wParam,LPARAM lParam)
//note that this is ChainSend() too, due to a quirk of function definitions
{
CCSDATA *ccs=(CCSDATA*)lParam;
int i;
char str[10];
DBVARIANT dbv;
int ret;
if(wParam==(WPARAM)(-1)) return 1;
for(i=wParam;;i++) {
_itoa(i,str,10);
if(DBGetContactSetting(ccs->hContact,"_Filter",str,&dbv)) break;
if((ret=CallProtoService(dbv.pszVal,ccs->szProtoService,i+1,lParam))!=CALLSERVICE_NOTFOUND) {
//chain was started, exit
mir_free(dbv.pszVal);
return ret;
}
mir_free(dbv.pszVal);
}
if(DBGetContactSetting(ccs->hContact,"Protocol","p",&dbv)) return 1;
if((ret=CallProtoService(dbv.pszVal,ccs->szProtoService,(WPARAM)(-1),lParam))!=CALLSERVICE_NOTFOUND) {
//chain was started, exit
mir_free(dbv.pszVal);
return ret;
}
mir_free(dbv.pszVal);
return 1;
}
static int CallRecvChain(WPARAM wParam,LPARAM lParam)
{
CCSDATA *ccs=(CCSDATA*)lParam;
int i,ret;
char str[10];
DBVARIANT dbv;
if(wParam==(WPARAM)(-1)) return 1; //shouldn't happen - sanity check
if(wParam==0) { //begin processing by finding end of chain
for(;;wParam++) {
_itoa(wParam,str,10);
if(DBGetContactSetting(ccs->hContact,"_Filter",str,&dbv)) break;
mir_free(dbv.pszVal);
}
}
else wParam--;
for(i=wParam-1;i>=0;i--) {
_itoa(i,str,10);
if(DBGetContactSetting(ccs->hContact,"_Filter",str,&dbv)) return 1; //never happens
if((ret=CallProtoService(dbv.pszVal,ccs->szProtoService,i+1,lParam))!=CALLSERVICE_NOTFOUND) {
//chain was started, exit
mir_free(dbv.pszVal);
return ret;
}
mir_free(dbv.pszVal);
}
//end of chain, call network protocol again
if(DBGetContactSetting(ccs->hContact,"Protocol","p",&dbv)) return 1;
if((ret=CallProtoService(dbv.pszVal,ccs->szProtoService,(WPARAM)(-1),lParam))!=CALLSERVICE_NOTFOUND) {
mir_free(dbv.pszVal);
return ret;
}
mir_free(dbv.pszVal);
return 1;
}
static int Proto_ChainRecv(WPARAM wParam,LPARAM lParam)
{
/* this will switch threads just like before */
return CallServiceSync(MS_PROTO_CHAINRECV "ThreadSafe",wParam,lParam);
}
#if 1
static int Proto_GetContactBaseProto(WPARAM wParam,LPARAM lParam)
{
DBVARIANT dbv;
PROTOCOLDESCRIPTOR *pd;
DBCONTACTGETSETTING dbcgs;
char name[32];
dbv.type=DBVT_ASCIIZ;
dbv.pszVal=name;
dbv.cchVal=SIZEOF(name);
dbcgs.pValue=&dbv;
dbcgs.szModule="Protocol";
dbcgs.szSetting="p";
if(CallService(MS_DB_CONTACT_GETSETTINGSTATIC,wParam,(LPARAM)&dbcgs)) return (int)(char*)NULL;
pd=(PROTOCOLDESCRIPTOR*)Proto_IsProtocolLoaded(0,(LPARAM)dbv.pszVal);
if(pd==NULL) return (int)(char*)NULL;
return (int)pd->szName;
}
#endif
static int Proto_IsProtoOnContact(WPARAM wParam,LPARAM lParam)
{
int i;
char str[10];
DBVARIANT dbv;
if(!DBGetContactSetting((HANDLE)wParam,"Protocol","p",&dbv)) {
if(!strcmp((char*)lParam,dbv.pszVal)) {
mir_free(dbv.pszVal);
return -1;
}
mir_free(dbv.pszVal);
}
for(i=0;;i++) {
_itoa(i,str,10);
if(DBGetContactSetting((HANDLE)wParam,"_Filter",str,&dbv)) break;
if(!strcmp((char*)lParam,dbv.pszVal)) {
mir_free(dbv.pszVal);
return i+1;
}
mir_free(dbv.pszVal);
}
return 0;
}
static int Proto_AddToContact(WPARAM wParam,LPARAM lParam)
{
PROTOCOLDESCRIPTOR *pd,*pdCompare;
pd=(PROTOCOLDESCRIPTOR*)Proto_IsProtocolLoaded(0,lParam);
if(pd==NULL) return 1;
if ( pd->type == PROTOTYPE_PROTOCOL ) {
DBWriteContactSettingString((HANDLE)wParam,"Protocol","p",(char*)lParam);
return 0;
}
if(Proto_IsProtoOnContact(wParam,lParam)) return 1;
{ /* v:0.3.3 + PROTO FILTERS ARE NOW KEPT IN THEIR OWN DB MODULE! */
int i;
char str[10],*lastProto;
DBVARIANT dbv;
for(i=0;;i++) {
_itoa(i,str,10);
if(DBGetContactSetting((HANDLE)wParam,"_Filter",str,&dbv)) break;
pdCompare=(PROTOCOLDESCRIPTOR*)Proto_IsProtocolLoaded(0,(LPARAM)dbv.pszVal);
mir_free(dbv.pszVal);
if(pdCompare==NULL) continue;
if(pd->type > pdCompare->type) break;
}
//put the new module at position i
lastProto=mir_strdup((char*)lParam);
for(;;i++) {
_itoa(i,str,10);
if(DBGetContactSetting((HANDLE)wParam,"_Filter",str,&dbv)) {
DBWriteContactSettingString((HANDLE)wParam,"_Filter",str,lastProto);
mir_free(lastProto);
break;
}
DBWriteContactSettingString((HANDLE)wParam,"_Filter",str,lastProto);
mir_free(lastProto);
lastProto=dbv.pszVal;
}
}
return 0;
}
static int Proto_RemoveFromContact(WPARAM wParam,LPARAM lParam)
{
int i;
DBVARIANT dbv;
char str[10];
i=Proto_IsProtoOnContact(wParam,lParam);
if(!i) return 1;
if(i==-1)
DBDeleteContactSetting((HANDLE)wParam,"Protocol","p");
else {
for(i--;;i++) { //we have to decrease i, as Proto_IsOnContact returns +1 more number than read from database
_itoa(i+1,str,10);
if(0!=DBGetContactSetting((HANDLE)wParam,"_Filter",str,&dbv)) {
_itoa(i,str,10);
DBDeleteContactSetting((HANDLE)wParam,"_Filter",str);
break;
}
_itoa(i,str,10);
DBWriteContactSettingString((HANDLE)wParam,"_Filter",str,dbv.pszVal);
mir_free(dbv.pszVal);
}
}
return 0;
}
int LoadProtoChains(void)
{
CreateServiceFunction(MS_PROTO_CALLCONTACTSERVICE,Proto_CallContactService);
CreateServiceFunction(MS_PROTO_CHAINSEND,Proto_CallContactService);
CreateServiceFunction(MS_PROTO_CHAINRECV,Proto_ChainRecv);
CreateServiceFunction(MS_PROTO_CHAINRECV "ThreadSafe",CallRecvChain);
CreateServiceFunction(MS_PROTO_GETCONTACTBASEPROTO,Proto_GetContactBaseProto);
CreateServiceFunction(MS_PROTO_ISPROTOONCONTACT,Proto_IsProtoOnContact);
CreateServiceFunction(MS_PROTO_ADDTOCONTACT,Proto_AddToContact);
CreateServiceFunction(MS_PROTO_REMOVEFROMCONTACT,Proto_RemoveFromContact);
return 0;
}
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