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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
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 3 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, see <http://www.gnu.org/licenses/>.
Additional permissions under GNU GPL version 3 section 7
If you modify this Program, or any covered work, by linking or
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
(or a modified version of those libraries),
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
licensors of this Program grant you additional
permission to convey the resulting work. Corresponding Source for a
non-source form of such a combination shall include the source code for
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
work.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
/*****************************************************************************
*
* $/Plasma20/Sources/Plasma/NucleusLib/pnAsyncCoreExe/pnAceIo.cpp
*
***/
#include "Pch.h"
#pragma hdrstop
/****************************************************************************
*
* ISocketConnHash
*
***/
// socket notification procedures
// connection data format:
// uint8_t connType;
// uint32_t buildId; [optional]
// uint32_t branchId; [optional]
// uint32_t buildType; [optional]
// Uuid productId; [optional]
const unsigned kConnHashFlagsIgnore = 0x01;
const unsigned kConnHashFlagsExactMatch = 0x02;
struct ISocketConnHash {
unsigned connType;
unsigned buildId;
unsigned buildType;
unsigned branchId;
Uuid productId;
unsigned flags;
unsigned GetHash () const;
bool operator== (const ISocketConnHash & rhs) const;
};
struct ISocketConnType : ISocketConnHash {
HASHLINK(ISocketConnType) hashlink;
FAsyncNotifySocketProc notifyProc;
};
static CLock s_notifyProcLock;
static HASHTABLEDECL(
ISocketConnType,
ISocketConnHash,
hashlink
) s_notifyProcs;
//===========================================================================
unsigned ISocketConnHash::GetHash () const {
CHashValue hash;
hash.Hash32(connType);
/*
if (buildId)
hash.Hash32(buildId);
if (buildType)
hash.Hash32(buildType);
if (branchId)
hash.Hash32(branchId);
if (productId != kNilGuid)
hash.Hash(&productId, sizeof(productId));
*/
return hash.GetHash();
}
//===========================================================================
bool ISocketConnHash::operator== (const ISocketConnHash & rhs) const {
ASSERT(flags & kConnHashFlagsIgnore);
for (;;) {
// Check connType
if (connType != rhs.connType)
break;
// Check buildId
if (buildId != rhs.buildId) {
if (rhs.flags & kConnHashFlagsExactMatch)
break;
if (buildId)
break;
}
// Check buildType
if (buildType != rhs.buildType) {
if (rhs.flags & kConnHashFlagsExactMatch)
break;
if (buildType)
break;
}
// Check branchId
if (branchId != rhs.branchId) {
if (rhs.flags & kConnHashFlagsExactMatch)
break;
if (branchId)
break;
}
// Check productId
if (productId != rhs.productId) {
if (rhs.flags & kConnHashFlagsExactMatch)
break;
if (productId != kNilGuid)
break;
}
// Success!
return true;
}
// Failed!
return false;
}
//===========================================================================
static unsigned GetConnHash (
ISocketConnHash * hash,
const uint8_t buffer[],
unsigned bytes
) {
if (!bytes)
return 0;
if (IS_TEXT_CONNTYPE(buffer[0])) {
hash->connType = buffer[0];
hash->buildId = 0;
hash->buildType = 0;
hash->branchId = 0;
hash->productId = 0;
hash->flags = 0;
// one uint8_t consumed
return 1;
}
else {
if (bytes < sizeof(AsyncSocketConnectPacket))
return 0;
const AsyncSocketConnectPacket & connect = * (const AsyncSocketConnectPacket *) buffer;
if (connect.hdrBytes < sizeof(connect))
return 0;
hash->connType = connect.connType;
hash->buildId = connect.buildId;
hash->buildType = connect.buildType;
hash->branchId = connect.branchId;
hash->productId = connect.productId;
hash->flags = 0;
return connect.hdrBytes;
}
}
/****************************************************************************
*
* Public exports
*
***/
//===========================================================================
EFileError AsyncGetLastFileError () {
const unsigned error = GetLastError();
switch (error) {
case NO_ERROR:
return kFileSuccess;
case ERROR_FILE_NOT_FOUND:
return kFileErrorFileNotFound;
case ERROR_ACCESS_DENIED:
case ERROR_FILE_EXISTS:
case ERROR_ALREADY_EXISTS:
return kFileErrorAccessDenied;
case ERROR_SHARING_VIOLATION:
return kFileErrorSharingViolation;
case ERROR_BAD_NETPATH:
case ERROR_PATH_NOT_FOUND:
case ERROR_INVALID_NAME:
case ERROR_BAD_NET_NAME:
case ERROR_CANT_ACCESS_DOMAIN_INFO:
case ERROR_NETWORK_UNREACHABLE:
case ERROR_HOST_UNREACHABLE:
return kFileErrorPathNotFound;
}
LogMsg(kLogPerf, "Unexpected Win32 error [%#x]", error);
return kFileErrorPathNotFound;
}
//============================================================================
const wchar_t * FileErrorToString (EFileError error) {
static wchar_t * s_fileErrorStrings[] = {
L"FileSuccess",
L"FileErrorInvalidParameter",
L"FileErrorFileNotFound",
L"FileErrorPathNotFound",
L"FileErrorAccessDenied",
L"FileErrorSharingViolation",
};
COMPILER_ASSERT(kNumFileErrors == arrsize(s_fileErrorStrings));
return s_fileErrorStrings[error];
}
//============================================================================
AsyncFile AsyncFileOpen (
const wchar_t fullPath[],
FAsyncNotifyFileProc notifyProc,
EFileError * error,
unsigned desiredAccess,
unsigned openMode,
unsigned shareModeFlags,
void * userState,
uint64_t * fileSize,
uint64_t * fileLastWriteTime
) {
ASSERT(g_api.fileOpen);
return g_api.fileOpen(
fullPath,
notifyProc,
error,
desiredAccess,
openMode,
shareModeFlags,
userState,
fileSize,
fileLastWriteTime
);
}
//============================================================================
void AsyncFileClose (
AsyncFile file,
uint64_t truncateSize
) {
ASSERT(g_api.fileClose);
g_api.fileClose(file, truncateSize);
}
//============================================================================
void AsyncFileSetLastWriteTime (
AsyncFile file,
uint64_t lastWriteTime
) {
ASSERT(g_api.fileSetLastWriteTime);
g_api.fileSetLastWriteTime(file, lastWriteTime);
}
//============================================================================
uint64_t AsyncFileGetLastWriteTime (
const wchar_t fileName[]
) {
ASSERT(g_api.fileGetLastWriteTime);
return g_api.fileGetLastWriteTime(fileName);
}
//============================================================================
AsyncId AsyncFileFlushBuffers (
AsyncFile file,
uint64_t truncateSize,
bool notify,
void * param
) {
ASSERT(g_api.fileFlushBuffers);
return g_api.fileFlushBuffers(file, truncateSize, notify, param);
}
//============================================================================
AsyncId AsyncFileRead (
AsyncFile file,
uint64_t offset,
void * buffer,
unsigned bytes,
unsigned flags,
void * param
) {
ASSERT(g_api.fileRead);
return g_api.fileRead(
file,
offset,
buffer,
bytes,
flags,
param
);
}
//============================================================================
AsyncId AsyncFileWrite (
AsyncFile file,
uint64_t offset,
const void * buffer,
unsigned bytes,
unsigned flags,
void * param
) {
ASSERT(g_api.fileWrite);
return g_api.fileWrite(
file,
offset,
buffer,
bytes,
flags,
param
);
}
//============================================================================
AsyncId AsyncFileCreateSequence (
AsyncFile file,
bool notify,
void * param
) {
ASSERT(g_api.fileCreateSequence);
return g_api.fileCreateSequence(file, notify, param);
}
//============================================================================
bool AsyncFileSeek (
AsyncFile file,
uint64_t distance,
EFileSeekFrom seekFrom
) {
ASSERT(g_api.fileSeek);
return g_api.fileSeek(file, distance, seekFrom);
}
//===========================================================================
void AsyncSocketConnect (
AsyncCancelId * cancelId,
const NetAddress & netAddr,
FAsyncNotifySocketProc notifyProc,
void * param,
const void * sendData,
unsigned sendBytes,
unsigned connectMs,
unsigned localPort
) {
ASSERT(g_api.socketConnect);
g_api.socketConnect(
cancelId,
netAddr,
notifyProc,
param,
sendData,
sendBytes,
connectMs,
localPort
);
}
//===========================================================================
void AsyncSocketConnectCancel (
FAsyncNotifySocketProc notifyProc,
AsyncCancelId cancelId
) {
ASSERT(g_api.socketConnectCancel);
g_api.socketConnectCancel(notifyProc, cancelId);
}
//===========================================================================
void AsyncSocketDisconnect (
AsyncSocket sock,
bool hardClose
) {
ASSERT(g_api.socketDisconnect);
g_api.socketDisconnect(sock, hardClose);
}
//===========================================================================
void AsyncSocketDelete (AsyncSocket sock) {
ASSERT(g_api.socketDelete);
g_api.socketDelete(sock);
}
//===========================================================================
bool AsyncSocketSend (
AsyncSocket sock,
const void * data,
unsigned bytes
) {
ASSERT(g_api.socketSend);
return g_api.socketSend(sock, data, bytes);
}
//===========================================================================
bool AsyncSocketWrite (
AsyncSocket sock,
const void * buffer,
unsigned bytes,
void * param
) {
ASSERT(g_api.socketWrite);
return g_api.socketWrite(sock, buffer, bytes, param);
}
//===========================================================================
void AsyncSocketSetNotifyProc (
AsyncSocket sock,
FAsyncNotifySocketProc notifyProc
) {
ASSERT(g_api.socketSetNotifyProc);
g_api.socketSetNotifyProc(sock, notifyProc);
}
//===========================================================================
void AsyncSocketSetBacklogAlloc (
AsyncSocket sock,
unsigned bufferSize
) {
ASSERT(g_api.socketSetBacklogAlloc);
g_api.socketSetBacklogAlloc(sock, bufferSize);
}
//===========================================================================
unsigned AsyncSocketStartListening (
const NetAddress & listenAddr,
FAsyncNotifySocketProc notifyProc
) {
ASSERT(g_api.socketStartListening);
return g_api.socketStartListening(listenAddr, notifyProc);
}
//===========================================================================
void AsyncSocketStopListening (
const NetAddress & listenAddr,
FAsyncNotifySocketProc notifyProc
) {
ASSERT(g_api.socketStopListening);
g_api.socketStopListening(listenAddr, notifyProc);
}
//============================================================================
void AsyncSocketEnableNagling (
AsyncSocket sock,
bool enable
) {
ASSERT(g_api.socketEnableNagling);
g_api.socketEnableNagling(sock, enable);
}
//===========================================================================
void AsyncSocketRegisterNotifyProc (
uint8_t connType,
FAsyncNotifySocketProc notifyProc,
unsigned buildId,
unsigned buildType,
unsigned branchId,
const Uuid & productId
) {
ASSERT(connType != kConnTypeNil);
ASSERT(notifyProc);
// Perform memory allocation outside lock
ISocketConnType * ct = NEW(ISocketConnType);
ct->notifyProc = notifyProc;
ct->connType = connType;
ct->buildId = buildId;
ct->buildType = buildType;
ct->branchId = branchId;
ct->productId = productId;
ct->flags = kConnHashFlagsIgnore;
s_notifyProcLock.EnterWrite();
{
s_notifyProcs.Add(ct);
}
s_notifyProcLock.LeaveWrite();
}
//===========================================================================
void AsyncSocketUnregisterNotifyProc (
uint8_t connType,
FAsyncNotifySocketProc notifyProc,
unsigned buildId,
unsigned buildType,
unsigned branchId,
const Uuid & productId
) {
ISocketConnHash hash;
hash.connType = connType;
hash.buildId = buildId;
hash.buildType = buildType;
hash.branchId = branchId;
hash.productId = productId;
hash.flags = kConnHashFlagsExactMatch;
ISocketConnType * scan;
s_notifyProcLock.EnterWrite();
{
scan = s_notifyProcs.Find(hash);
for (; scan; scan = s_notifyProcs.FindNext(hash, scan)) {
if (scan->notifyProc != notifyProc)
continue;
// Unlink the object so it can be deleted outside the lock
s_notifyProcs.Unlink(scan);
break;
}
}
s_notifyProcLock.LeaveWrite();
// perform memory deallocation outside the lock
DEL(scan);
}
//===========================================================================
FAsyncNotifySocketProc AsyncSocketFindNotifyProc (
const uint8_t buffer[],
unsigned bytes,
unsigned * bytesProcessed,
unsigned * connType,
unsigned * buildId,
unsigned * buildType,
unsigned * branchId,
Uuid * productId
) {
for (;;) {
// Get the connType
ISocketConnHash hash;
*bytesProcessed = GetConnHash(&hash, buffer, bytes);
if (!*bytesProcessed)
break;
// Lookup notifyProc based on connType
FAsyncNotifySocketProc proc;
s_notifyProcLock.EnterRead();
if (const ISocketConnType * scan = s_notifyProcs.Find(hash))
proc = scan->notifyProc;
else
proc = nil;
s_notifyProcLock.LeaveRead();
if (!proc)
break;
// Success!
*connType = hash.connType;
*buildId = hash.buildId;
*buildType = hash.buildType;
*branchId = hash.branchId;
*productId = hash.productId;
return proc;
}
// Failure!
PerfAddCounter(kAsyncPerfSocketDisconnectInvalidConnType, 1);
*bytesProcessed = 0;
*connType = 0;
*buildId = 0;
*buildType = 0;
*branchId = 0;
*productId = 0;
return nil;
}