You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

432 lines
12 KiB

/*==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]
// plUUID productId; [optional]
const unsigned kConnHashFlagsIgnore = 0x01;
const unsigned kConnHashFlagsExactMatch = 0x02;
struct ISocketConnHash {
unsigned connType;
unsigned buildId;
unsigned buildType;
unsigned branchId;
plUUID productId;
unsigned flags;
unsigned GetHash () const;
bool operator== (const ISocketConnHash & rhs) const;
};
struct ISocketConnType : ISocketConnHash {
HASHLINK(ISocketConnType) hashlink;
FAsyncNotifySocketProc notifyProc;
};
static hsReaderWriterLock 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 != kNilUuid)
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 != kNilUuid)
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 = kNilUuid;
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
*
***/
//===========================================================================
void AsyncSocketConnect (
AsyncCancelId * cancelId,
const plNetAddress& 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 plNetAddress& listenAddr,
FAsyncNotifySocketProc notifyProc
) {
ASSERT(g_api.socketStartListening);
return g_api.socketStartListening(listenAddr, notifyProc);
}
//===========================================================================
void AsyncSocketStopListening (
const plNetAddress& 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 plUUID& 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;
hsLockForWriting lock(s_notifyProcLock);
s_notifyProcs.Add(ct);
}
//===========================================================================
void AsyncSocketUnregisterNotifyProc (
uint8_t connType,
FAsyncNotifySocketProc notifyProc,
unsigned buildId,
unsigned buildType,
unsigned branchId,
const plUUID& productId
) {
ISocketConnHash hash;
hash.connType = connType;
hash.buildId = buildId;
hash.buildType = buildType;
hash.branchId = branchId;
hash.productId = productId;
hash.flags = kConnHashFlagsExactMatch;
ISocketConnType * scan;
{
hsLockForWriting lock(s_notifyProcLock);
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;
}
}
// perform memory deallocation outside the lock
delete scan;
}
//===========================================================================
FAsyncNotifySocketProc AsyncSocketFindNotifyProc (
const uint8_t buffer[],
unsigned bytes,
unsigned * bytesProcessed,
unsigned * connType,
unsigned * buildId,
unsigned * buildType,
unsigned * branchId,
plUUID* productId
) {
for (;;) {
// Get the connType
ISocketConnHash hash;
*bytesProcessed = GetConnHash(&hash, buffer, bytes);
if (!*bytesProcessed)
break;
// Lookup notifyProc based on connType
FAsyncNotifySocketProc proc;
{
hsLockForReading lock(s_notifyProcLock);
if (const ISocketConnType * scan = s_notifyProcs.Find(hash))
proc = scan->notifyProc;
else
proc = nullptr;
}
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 = kNilUuid;
return nil;
}