📄 node_palmos.c
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/*****************************************************************************
*
* 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
*
* $Id: node_palmos.c 345 2005-11-19 15:57:54Z picard $
*
* The Core Pocket Media Player
* Copyright (c) 2004-2005 Gabor Kovacs
*
****************************************************************************/
#include "../common.h"
#if defined(TARGET_PALMOS)
#define PREFID_NODE 2
#define PREFID_PLUGINS 100
#define FTRID_START 64
#define FTRID_STEP 64
#define FTRID_COUNT 60
#include "pace.h"
#ifdef HAVE_PALMONE_SDK
#include <68K/System/PmPalmOSNVFS.h>
#endif
void NodeRegSaveGlobal()
{
uint8_t Data[MAXDATA];
array Buffer = {NULL};
array List;
node **i;
UInt16 PrefId=PREFID_NODE;
uint32_t ProgramId = Context()->ProgramId;
NodeEnumObject(&List,NODE_CLASS);
for (i=ARRAYBEGIN(List,node*);i!=ARRAYEND(List,node*);++i)
{
int No,Total;
datadef Type;
for (No=0;NodeEnum(*i,No,&Type)==ERR_NONE;++No)
{
node* Node = *i;
if ((Type.Flags & DF_SETUP) && !(Type.Flags & (DF_NOSAVE|DF_RDONLY)))
{
int Result = Node->Get(Node,Type.No,Data,Type.Size);
if (Result == ERR_NONE || Result == ERR_NOT_SUPPORTED) // not supported settings should be still saved
{
if (Type.Type == TYPE_STRING)
Type.Size = (tcslen((tchar_t*)Data)+1)*sizeof(tchar_t);
Total = sizeof(int32_t)*3+ALIGN4(Type.Size);
if (ARRAYCOUNT(Buffer,uint8_t)+Total > 0xF000)
{
PrefSetAppPreferences(ProgramId,PrefId++,CONTEXT_VERSION,ARRAYBEGIN(Buffer,uint8_t),(UInt16)ARRAYCOUNT(Buffer,uint8_t),0);
ArrayDrop(&Buffer);
}
if (ArrayAppend(&Buffer,NULL,Total,4096))
{
int32_t* p = (int32_t*)(ARRAYEND(Buffer,uint8_t) - Total);
memset(p,0,Total);
p[0] = Node->Class;
p[1] = Type.No;
p[2] = Type.Size;
memcpy(p+3,Data,Type.Size);
}
}
}
}
}
if (!ARRAYEMPTY(Buffer))
PrefSetAppPreferences(ProgramId,PrefId++,CONTEXT_VERSION,ARRAYBEGIN(Buffer,uint8_t),(UInt16)ARRAYCOUNT(Buffer,uint8_t),0);
ArrayClear(&List);
ArrayClear(&Buffer);
for (;;)
{
UInt16 PrefSize = 0;
if (PrefGetAppPreferences(ProgramId, PrefId, NULL, &PrefSize, 0) == noPreferenceFound)
break;
PrefSetAppPreferences(ProgramId,PrefId++,CONTEXT_VERSION,NULL,0,0);
}
}
void NodeRegLoadGlobal()
{
array Buffer = {NULL};
array List;
node **i;
int32_t* p;
UInt16 PrefId;
UInt16 PrefSize;
uint32_t ProgramId = Context()->ProgramId;
NodeEnumObject(&List,NODE_CLASS);
for (PrefId=PREFID_NODE;;++PrefId)
{
PrefSize = 0;
if (PrefGetAppPreferences(ProgramId, PrefId, NULL, &PrefSize, 0) == noPreferenceFound)
break;
ArrayDrop(&Buffer);
if (ArrayAppend(&Buffer,NULL,PrefSize,16) &&
PrefGetAppPreferences(ProgramId, PrefId, ARRAYBEGIN(Buffer,int32_t), &PrefSize, 0) != noPreferenceFound)
{
for (p=ARRAYBEGIN(Buffer,int32_t);p<ARRAYEND(Buffer,int32_t);p+=3+(p[2]+3)/4)
for (i=ARRAYBEGIN(List,node*);i!=ARRAYEND(List,node*);++i)
if ((*i)->Class == p[0])
{
(*i)->Set(*i,p[1],p+3,p[2]);
break;
}
}
}
ArrayClear(&List);
ArrayClear(&Buffer);
}
static NOINLINE void AddModule(const tchar_t* Path,int Type,int Date,int32_t* Modules)
{
int No=0;
int Count=0;
if (Modules)
{
//don't load if already registered with same date
Count = Modules[-1];
for (No=0;No<Count;++No)
{
if ((!Type || Modules[0] == Type) &&
tcscmp((const tchar_t*)(Modules+3),Path)==0)
{
Type = Modules[0];
if (Modules[1] == Date)
{
Modules[1] = -1;
break;
}
Modules[1] = -2;
}
Modules += 1+1+1+Modules[2]/4;
}
}
NodeAddModule(Path,Type,Date,No>=Count,0);
}
static void VFSFindPlugins(uint16_t Ref,tchar_t* Path,int PathLen,int32_t* Modules,const tchar_t* Skip)
{
FileRef File;
int PathPos = tcslen(Path);
if (PathPos>0 && Path[PathPos-1]=='/')
Path[PathPos-1] = 0;
if (Skip && tcscmp(Path,Skip)==0)
return;
if (VFSFileOpen(Ref,Path,vfsModeRead,&File)==errNone)
{
FileInfoType Info;
UInt32 Iter = vfsIteratorStart;
tcscat_s(Path,PathLen,"/");
PathPos = tcslen(Path);
Info.nameP = Path + PathPos;
Info.nameBufLen = (UInt16)((PathLen-PathPos)*sizeof(tchar_t));
while (Iter != vfsIteratorStop && VFSDirEntryEnumerate(File,&Iter,&Info)==errNone)
{
if (tcsnicmp(Path+PathPos,T("tcpmp"),5)==0 &&
(Path[PathPos+5]=='_' || Path[PathPos+5]==' '))
{
FileRef File = 0;
VFSFileOpen(Ref,Path,vfsModeRead,&File);
if (File)
{
UInt32 Date;
if (VFSFileGetDate(File,vfsFileDateModified,&Date)==errNone)
{
tchar_t URL[MAXPATH];
if (VFSFromVol(Ref,Path,URL,TSIZEOF(URL)))
AddModule(URL,0,Date,Modules);
}
VFSFileClose(File);
}
}
}
VFSFileClose(File);
}
}
static void FindPlugins(int32_t* Modules)
{
bool_t CheckVFS = 1;
Boolean New = 1;
LocalID CurrentDB;
UInt16 Card;
DmSearchStateType SearchState;
tchar_t Name[48];
tchar_t URL[MAXPATH];
UInt32 Type;
UInt32 Date;
CurrentDB = 0;
while (DmGetNextDatabaseByTypeCreator(New, &SearchState, 0, Context()->ProgramId, 1, &Card, &CurrentDB)==errNone)
{
DmDatabaseInfo(Card,CurrentDB,Name,NULL,NULL,NULL,&Date,NULL,NULL,NULL,NULL,&Type,NULL);
if ((Type >> 24) == 'X')
{
stprintf_s(URL,TSIZEOF(URL),T("mem://%s.prc"),Name);
AddModule(URL,Type,Date,Modules);
CheckVFS = 0;
}
New = 0;
}
if (NodeEnumClass(NULL,VFS_ID))
{
UInt16 Ref;
uint32_t LaunchPath = 0;
URL[0] = 0;
if (FtrGet(Context()->ProgramId,20,&LaunchPath)==errNone)
{
Ref = ((vfspath*)LaunchPath)->volRefNum;
SplitURL(((vfspath*)LaunchPath)->path,URL,TSIZEOF(URL),URL,TSIZEOF(URL),NULL,0,NULL,0);
VFSFindPlugins(Ref,URL,TSIZEOF(URL),Modules,NULL);
}
if (CheckVFS || QueryAdvanced(ADVANCED_CARDPLUGINS))
{
UInt32 Iter = vfsIteratorStart;
while (Iter != vfsIteratorStop && VFSVolumeEnumerate(&Ref,&Iter)==errNone)
{
tchar_t Path[MAXPATH];
UInt16 Size = sizeof(Path);
if (VFSGetDefaultDirectory(Ref,T(".prc"),Path,&Size)==errNone)
VFSFindPlugins(Ref,Path,TSIZEOF(Path),Modules,URL);
}
}
}
}
static NOINLINE int32_t* GetString(int32_t* p,const tchar_t** s)
{
if (p[0])
{
*s = (const tchar_t*)(p+1);
p+=1+p[0]/4;
}
else
{
*s = NULL;
++p;
}
return p;
}
void Plugins_Init()
{
array Buffer = {NULL};
int32_t* p;
int32_t* Modules;
int i,No,Count;
bool_t b;
UInt16 PrefSize;
uint32_t ProgramId = Context()->ProgramId;
node* Advanced = Context()->Advanced;
PrefSize = 0;
if (PrefGetAppPreferences(ProgramId, PREFID_PLUGINS, NULL, &PrefSize, 0) != noPreferenceFound &&
ArrayAppend(&Buffer,NULL,PrefSize,16) &&
PrefGetAppPreferences(ProgramId, PREFID_PLUGINS, ARRAYBEGIN(Buffer,int32_t), &PrefSize, 0) != noPreferenceFound)
{
// add all plugins and load changed/new ones
p = ARRAYBEGIN(Buffer,int32_t);
if (*p<0)
{
// params
if (Advanced)
{
b = p[1] != 0;
Advanced->Set(Advanced,ADVANCED_CARDPLUGINS,&b,sizeof(b));
}
p += 1-*p;
}
Count = *(p++);
Modules = p;
FindPlugins(Modules);
// also add non existing modules (maybe SD card removed temporarily)
for (No=0;No<Count;++No)
{
if (p[1] != -1 && p[1] != -2)
NodeAddModule((const tchar_t*)(p+3),p[0],p[1],0,1);
p += 1+1+1+p[2]/4;
}
// load classes (only if not exists already. don't want to override changed loaded plugins)
while (*p)
{
nodedef Def;
int Module;
const tchar_t* Name;
const tchar_t* ContentType;
const tchar_t* Exts;
const tchar_t* Probe;
memset(&Def,0,sizeof(Def));
Module = *p-1; ++p;
Def.Class = *p; ++p;
Def.ParentClass = *p; ++p;
Def.Flags = *p; ++p;
Def.Priority = *p; ++p;
p = GetString(p,&Name);
p = GetString(p,&ContentType);
p = GetString(p,&Exts);
p = GetString(p,&Probe);
if (Module<Modules[-1] && !NodeEnumClass(NULL,Def.Class))
{
int32_t* p = Modules;
for (i=0;i<Module;++i)
p += 1+1+1+p[2]/4;
if (Name) StringAdd(1,Def.Class,NODE_NAME,Name);
if (ContentType) StringAdd(1,Def.Class,NODE_CONTENTTYPE,ContentType);
if (Exts) StringAdd(1,Def.Class,NODE_EXTS,Exts);
if (Probe) StringAdd(1,Def.Class,NODE_PROBE,Probe);
NodeLoadClass(&Def,(const tchar_t*)(p+3),p[0]);
}
}
}
else
FindPlugins(NULL);
ArrayClear(&Buffer);
}
bool_t NOINLINE AppendInt(array* Buffer,int Data)
{
return ArrayAppend(Buffer,&Data,sizeof(Data),4096);
}
bool_t NOINLINE AppendStr(array* Buffer,const tchar_t* Data)
{
int Len = (tcslen((tchar_t*)Data)+1)*sizeof(tchar_t);
int Total = ALIGN4(Len);
if (!AppendInt(Buffer,Total) || !ArrayAppend(Buffer,NULL,Total,4096))
return 0;
memcpy(ARRAYEND(*Buffer,uint8_t)-Total,Data,Len);
memset(ARRAYEND(*Buffer,uint8_t)-Total+Len,0,Total-Len);
return 1;
}
bool_t NOINLINE AppendString(array* Buffer,int Class,int Id)
{
if (StringIsBinary(Class,Id))
return AppendInt(Buffer,0);
return AppendStr(Buffer,LangStrDef(Class,Id));
}
void Plugins_Done()
{
array Buffer = {NULL};
uint32_t ProgramId = Context()->ProgramId;
int64_t Date;
int No,Count;
int Id;
AppendInt(&Buffer,-1);
AppendInt(&Buffer,QueryAdvanced(ADVANCED_CARDPLUGINS));
Count = NodeGetModuleCount();
AppendInt(&Buffer,Count-1);
for (No=1;No<Count;++No)
{
const tchar_t* Path = NodeGetModule(No,&Id,&Date);
AppendInt(&Buffer,Id);
AppendInt(&Buffer,(int)Date);
AppendStr(&Buffer,Path);
}
Count = NodeGetClassCount();
for (No=0;No<Count;++No)
{
const nodedef* Def = NodeGetClass(No,&Id);
if (Id)
{
AppendInt(&Buffer,Id);
AppendInt(&Buffer,Def->Class);
AppendInt(&Buffer,Def->ParentClass);
AppendInt(&Buffer,Def->Flags);
AppendInt(&Buffer,Def->Priority);
AppendString(&Buffer,Def->Class,NODE_NAME);
AppendString(&Buffer,Def->Class,NODE_CONTENTTYPE);
AppendString(&Buffer,Def->Class,NODE_EXTS);
AppendString(&Buffer,Def->Class,NODE_PROBE);
}
}
AppendInt(&Buffer,0);
if (ARRAYCOUNT(Buffer,uint8_t)<0x8000)
PrefSetAppPreferences(ProgramId,PREFID_PLUGINS,CONTEXT_VERSION,ARRAYBEGIN(Buffer,uint8_t),(UInt16)ARRAYCOUNT(Buffer,uint8_t),0);
ArrayClear(&Buffer);
}
static void* Modules[FTRID_COUNT] = {NULL};
void NodeFreeModule(void* Module,void* Db)
{
if (Module)
{
int i;
void* UnRegister = PealGetSymbol(Module,T("DLLUnRegister"));
if (UnRegister)
((void(*)())UnRegister)();
for (i=0;i<FTRID_COUNT;++i)
if (Modules[i] == Module)
{
Modules[i] = NULL;
break;
}
PealFreeModule(Module);
if (Db)
DmCloseDatabase(Db);
}
}
static void* LoadPlugin(UInt16 Card,LocalID CurrentDB,bool_t TmpDb,void** Db,int* Id)
{
void* Module = NULL;
char Name[48];
UInt32 Type;
UInt16 Attr;
Boolean MemDup = 0;
Boolean MemSema = 0;
int No;
DmDatabaseInfo(Card,CurrentDB,Name,&Attr,NULL,NULL,NULL,NULL,NULL,NULL,NULL,&Type,NULL);
if ((Type >> 24) != 'X')
{
if (TmpDb)
DmDeleteDatabase(Card,CurrentDB);
return NULL;
}
*Id = Type;
#ifdef ARM
{
UInt32 Version;
FtrGet(sysFtrCreator, sysFtrNumROMVersion, &Version);
MemSema = (Boolean)(Version < sysMakeROMVersion(6,0,0,sysROMStageDevelopment,0));
}
#endif
#ifdef HAVE_PALMONE_SDK
// duplicate plugins to memory with NVFS, because writing back reallocation
// causes the plugins to disappear sometimes from storage flash memory.
if (!MemSema) // but don't care if can use memory semaphore
{
UInt32 Version;
if (FtrGet(sysFtrCreator,sysFtrNumDmAutoBackup,&Version)==errNone && Version==1)
MemDup = 1;
}
#endif
if (TmpDb)
{
Attr |= dmHdrAttrRecyclable;
DmSetDatabaseInfo(Card,CurrentDB,NULL,&Attr,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL);
}
*Db = DmOpenDatabaseByTypeCreator(Type,Context()->ProgramId,dmModeReadOnly);
if (*Db)
{
for (No=0;No<FTRID_COUNT;++No)
if (!Modules[No])
break;
if (No<FTRID_COUNT)
{
Module = PealLoadModule((UInt16)(FTRID_START+No*FTRID_STEP),
MemDup,(Boolean)Context()->LowMemory,MemSema);
if (Module)
{
void* Register = PealGetSymbol(Module,T("DLLRegister"));
if (Register)
{
int Result = ((int(*)(int))Register)(CONTEXT_VERSION);
if (Result != ERR_NONE)
{
Register = NULL;
if (Result == ERR_NOT_COMPATIBLE)
{
int n = tcslen(Name);
if (n>7 && tcsnicmp(Name+n-7,T(" plugin"),7)==0)
Name[n-7] = 0;
ShowError(0,ERR_ID,ERR_NOT_COMPATIBLE,Name);
}
}
}
if (!Register)
{
PealFreeModule(Module);
Module = NULL;
}
else
Modules[No] = Module;
}
}
if (!Module || MemDup)
{
DmCloseDatabase(*Db);
*Db = NULL;
}
}
return Module;
}
void* NodeLoadModule(const tchar_t* URL,int* Id,void** AnyFunc,void** Db)
{
void* Module = NULL;
UInt16 Card;
LocalID CurrentDB;
if (tcsncmp(URL,"mem",3)!=0)
{
uint16_t Vol;
const tchar_t* Path = VFSToVol(URL,&Vol);
if (Path && VFSImportDatabaseFromFile(Vol,Path,&Card,&CurrentDB)==errNone)
Module = LoadPlugin(Card,CurrentDB,1,Db,Id);
}
else
{
DmSearchStateType SearchState;
CurrentDB = 0;
if (DmGetNextDatabaseByTypeCreator(1, &SearchState, *Id, Context()->ProgramId, 1, &Card, &CurrentDB)==errNone)
Module = LoadPlugin(Card,CurrentDB,0,Db,Id);
}
return Module;
}
#endif
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