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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/>.
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/Apps/plUruLauncher/SelfPatcher.cpp
*
***/
#include "Pch.h"
#pragma hdrstop
/*****************************************************************************
*
* Private Data
*
***/
#ifndef PLASMA_EXTERNAL_RELEASE
static const wchar s_manifest[] = L"InternalPatcher";
#else
static const wchar s_manifest[] = L"ExternalPatcher";
#endif
class SelfPatcherStream : public plZlibStream {
public:
virtual UInt32 Write(UInt32 byteCount, const void* buffer);
static plLauncherInfo *info;
static unsigned totalBytes;
static unsigned progress;
};
unsigned SelfPatcherStream::totalBytes = 0;
unsigned SelfPatcherStream::progress = 0;
static bool s_downloadComplete;
static long s_numFiles;
static ENetError s_patchResult;
static bool s_updated;
static wchar s_newPatcherFile[MAX_PATH];
/*****************************************************************************
*
* Private Functions
*
***/
//============================================================================
static void NetErrorHandler (ENetProtocol protocol, ENetError error) {
LogMsg(kLogError, L"NetErr: %s", NetErrorToString(error));
if (IS_NET_SUCCESS(s_patchResult))
s_patchResult = error;
s_downloadComplete = true;
switch(error) {
case kNetErrServerBusy:
MessageBox(0, "Due to the high demand, the server is currently busy. Please try again later, or for alternative download options visit: http://www.mystonline.com/play/", "UruLauncher", MB_OK);
s_patchResult = kNetErrServerBusy;
s_downloadComplete = true;
break;
}
}
//============================================================================
static void DownloadCallback (
ENetError result,
void * param,
const wchar filename[],
hsStream * writer
) {
if(IS_NET_ERROR(result)) {
switch (result) {
case kNetErrTimeout:
writer->Rewind();
NetCliFileDownloadRequest(filename, writer, DownloadCallback, param);
break;
default:
LogMsg(kLogError, L"Error getting patcher file: %s", NetErrorToString(result));
if (IS_NET_SUCCESS(s_patchResult))
s_patchResult = result;
break;
}
return;
}
writer->Close();
delete writer;
AtomicAdd(&s_numFiles, -1);
if(!s_numFiles) {
s_downloadComplete = true;
s_updated = true;
}
}
//============================================================================
static bool MD5Check (const char filename[], const wchar md5[]) {
// Do md5 check
char md5copy[MAX_PATH];
plMD5Checksum existingMD5(filename);
plMD5Checksum latestMD5;
StrToAnsi(md5copy, md5, arrsize(md5copy));
latestMD5.SetFromHexString(md5copy);
return (existingMD5 == latestMD5);
}
//============================================================================
static void ManifestCallback (
ENetError result,
void * param,
const wchar group[],
const NetCliFileManifestEntry manifest[],
unsigned entryCount
) {
if(IS_NET_ERROR(result)) {
switch (result) {
case kNetErrTimeout:
NetCliFileManifestRequest(ManifestCallback, nil, s_manifest);
break;
default:
LogMsg(kLogError, L"Error getting patcher manifest: %s", NetErrorToString(result));
if (IS_NET_SUCCESS(s_patchResult))
s_patchResult = result;
break;
}
return;
}
char ansi[MAX_PATH];
// MD5 check current patcher against value in manifest
ASSERT(entryCount == 1);
wchar curPatcherFile[MAX_PATH];
PathGetProgramName(curPatcherFile, arrsize(curPatcherFile));
StrToAnsi(ansi, curPatcherFile, arrsize(ansi));
if (!MD5Check(ansi, manifest[0].md5)) {
// MessageBox(GetTopWindow(nil), "MD5 failed", "Msg", MB_OK);
SelfPatcherStream::totalBytes += manifest[0].zipSize;
AtomicAdd(&s_numFiles, 1);
SetText("Downloading new patcher...");
StrToAnsi(ansi, s_newPatcherFile, arrsize(ansi));
SelfPatcherStream * stream = NEWZERO(SelfPatcherStream);
if (!stream->Open(ansi, "wb"))
ErrorFatal(__LINE__, __FILE__, "Failed to create file: %s, errno: %u", ansi, errno);
NetCliFileDownloadRequest(manifest[0].downloadName, stream, DownloadCallback, nil);
}
else {
s_downloadComplete = true;
}
}
//============================================================================
static void FileSrvIpAddressCallback (
ENetError result,
void * param,
const wchar addr[]
) {
NetCliGateKeeperDisconnect();
if (IS_NET_ERROR(result)) {
LogMsg(kLogDebug, L"FileSrvIpAddressRequest failed: %s", NetErrorToString(result));
s_patchResult = result;
s_downloadComplete = true;
}
// Start connecting to the server
NetCliFileStartConnect(&addr, 1, true);
PathGetProgramDirectory(s_newPatcherFile, arrsize(s_newPatcherFile));
GetTempFileNameW(s_newPatcherFile, kPatcherExeFilename, 0, s_newPatcherFile);
PathDeleteFile(s_newPatcherFile);
NetCliFileManifestRequest(ManifestCallback, nil, s_manifest);
}
//============================================================================
static bool SelfPatcherProc (bool * abort, plLauncherInfo *info) {
bool patched = false;
s_downloadComplete = false;
s_patchResult = kNetSuccess;
NetClientInitialize();
NetClientSetErrorHandler(NetErrorHandler);
const wchar ** addrs;
unsigned count;
count = GetGateKeeperSrvHostnames(&addrs);
// Start connecting to the server
NetCliGateKeeperStartConnect(addrs, count);
// request a file server ip address
NetCliGateKeeperFileSrvIpAddressRequest(FileSrvIpAddressCallback, nil, true);
while(!s_downloadComplete && !*abort) {
NetClientUpdate();
AsyncSleep(10);
}
NetCliFileDisconnect();
NetClientUpdate();
// Shutdown the client/server networking subsystem
NetClientDestroy();
if (s_downloadComplete && !*abort && s_updated && IS_NET_SUCCESS(s_patchResult)) {
// launch new patcher
STARTUPINFOW si;
PROCESS_INFORMATION pi;
ZERO(si);
ZERO(pi);
si.cb = sizeof(si);
wchar cmdline[MAX_PATH];
StrPrintf(cmdline, arrsize(cmdline), L"%s %s", s_newPatcherFile, info->cmdLine);
// we have only successfully patched if we actually launch the new version of the patcher
patched = CreateProcessW(
NULL,
cmdline,
NULL,
NULL,
FALSE,
DETACHED_PROCESS,
NULL,
NULL,
&si,
&pi
);
SetReturnCode(pi.dwProcessId);
CloseHandle( pi.hThread );
CloseHandle( pi.hProcess );
ASSERT(patched);
}
return patched;
}
/*****************************************************************************
*
* ProgressStream Functions
*
***/
//============================================================================
UInt32 SelfPatcherStream::Write(UInt32 byteCount, const void* buffer) {
progress += byteCount;
float p = (float)progress / (float)totalBytes * 100; // progress
SetProgress( (int)p );
return plZlibStream::Write(byteCount, buffer);
}
/*****************************************************************************
*
* Protected Functions
*
***/
//============================================================================
// if return value is true, there was an update and the patcher should be shutdown, so the new patcher can take over
bool SelfPatch (bool noSelfPatch, bool * abort, ENetError * result, plLauncherInfo *info) {
bool patched = false;
if (!noSelfPatch) {
SetText("Checking for patcher update...");
patched = SelfPatcherProc(abort, info);
}
*result = s_patchResult;
return patched;
}