Files
SLikeNet/Samples/AutopatcherServer/AutopatcherServerTest.cpp
2025-11-24 14:19:51 +05:30

349 lines
12 KiB
C++

/*
* Original work: Copyright (c) 2014, Oculus VR, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* RakNet License.txt file in the licenses directory of this source tree. An additional grant
* of patent rights can be found in the RakNet Patents.txt file in the same directory.
*
*
* Modified work: Copyright (c) 2016-2020, SLikeSoft UG (haftungsbeschränkt)
*
* This source code was modified by SLikeSoft. Modifications are licensed under the MIT-style
* license found in the license.txt file in the root directory of this source tree.
*/
// Common includes
#include <stdio.h>
#include <stdlib.h>
#include "slikenet/Kbhit.h"
#include "slikenet/GetTime.h"
#include "slikenet/peerinterface.h"
#include "slikenet/MessageIdentifiers.h"
#include "slikenet/BitStream.h"
#include "slikenet/StringCompressor.h"
#include "slikenet/FileListTransfer.h"
#include "slikenet/FileList.h" // FLP_Printf
#include "slikenet/PacketizedTCP.h"
#include "slikenet/Gets.h"
#include "slikenet/linux_adapter.h"
#include "slikenet/osx_adapter.h"
// Server only includes
#include "AutopatcherServer.h"
// Replace this repository with your own implementation if you don't want to use PostgreSQL
#include "AutopatcherPostgreRepository.h"
#ifdef _WIN32
#include "slikenet/WindowsIncludes.h" // Sleep
#else
#include <unistd.h> // usleep
#endif
#define USE_TCP
#define LISTEN_PORT 60000
#define MAX_INCOMING_CONNECTIONS 128
char WORKING_DIRECTORY[MAX_PATH];
char PATH_TO_XDELTA_EXE[MAX_PATH];
// The default AutopatcherPostgreRepository2 uses bsdiff which takes too much memory for large files.
// I override MakePatch to use XDelta in this case
class AutopatcherPostgreRepository2_WithXDelta : public SLNet::AutopatcherPostgreRepository2
{
int MakePatch(const char *oldFile, const char *newFile, char **patch, unsigned int *patchLength, int *patchAlgorithm)
{
FILE *fpOld;
fopen_s(&fpOld, oldFile, "rb");
fseek(fpOld, 0, SEEK_END);
int contentLengthOld = ftell(fpOld);
FILE *fpNew;
fopen_s(&fpNew, newFile, "rb");
fseek(fpNew, 0, SEEK_END);
int contentLengthNew = ftell(fpNew);
if ((contentLengthOld < 33554432 && contentLengthNew < 33554432) || PATH_TO_XDELTA_EXE[0]==0)
{
// Use bsdiff, which does a good job but takes a lot of memory based on the size of the file
*patchAlgorithm=0;
bool b = MakePatchBSDiff(fpOld, contentLengthOld, fpNew, contentLengthNew, patch, patchLength);
fclose(fpOld);
fclose(fpNew);
return b==false ? -1 : 0;
}
else
{
*patchAlgorithm=1;
fclose(fpOld);
fclose(fpNew);
char buff[128];
SLNet::TimeUS time = SLNet::GetTimeUS();
#if defined(_WIN32)
sprintf_s(buff, "%I64u", time);
#else
sprintf_s(buff, "%llu", (long long unsigned int) time);
#endif
// Invoke xdelta
// See https://code.google.com/p/xdelta/wiki/CommandLineSyntax
char commandLine[512];
_snprintf(commandLine, sizeof(commandLine)-1, "-f -s %s %s patchServer_%s.tmp", oldFile, newFile, buff);
commandLine[511]=0;
SHELLEXECUTEINFOA shellExecuteInfo;
shellExecuteInfo.cbSize = sizeof(SHELLEXECUTEINFOA);
shellExecuteInfo.fMask = SEE_MASK_NOASYNC | SEE_MASK_NO_CONSOLE;
shellExecuteInfo.hwnd = nullptr;
shellExecuteInfo.lpVerb = "open";
shellExecuteInfo.lpFile = PATH_TO_XDELTA_EXE;
shellExecuteInfo.lpParameters = commandLine;
shellExecuteInfo.lpDirectory = WORKING_DIRECTORY;
shellExecuteInfo.nShow = SW_SHOWNORMAL;
shellExecuteInfo.hInstApp = nullptr;
ShellExecuteExA(&shellExecuteInfo);
//ShellExecute(nullptr, "open", PATH_TO_XDELTA_EXE, commandLine, WORKING_DIRECTORY, SW_SHOWNORMAL);
char pathToPatch[MAX_PATH];
sprintf_s(pathToPatch, "%s/patchServer_%s.tmp", WORKING_DIRECTORY, buff);
// r+ instead of r, because I want exclusive access in case xdelta is still working
FILE *fpPatch;
errno_t error = fopen_s(&fpPatch, pathToPatch, "r+b");
SLNet::TimeUS stopWaiting = time + 60000000 * 5;
while (error!=0 && SLNet::GetTimeUS() < stopWaiting)
{
RakSleep(1000);
error = fopen_s(&fpPatch, pathToPatch, "r+b");
}
if (error!=0)
return 1;
fseek(fpPatch, 0, SEEK_END);
*patchLength = ftell(fpPatch);
fseek(fpPatch, 0, SEEK_SET);
*patch = (char*) rakMalloc_Ex(*patchLength, _FILE_AND_LINE_);
fread(*patch, 1, *patchLength, fpPatch);
fclose(fpPatch);
int unlinkRes = _unlink(pathToPatch);
while (unlinkRes!=0 && SLNet::GetTimeUS() < stopWaiting)
{
RakSleep(1000);
unlinkRes = _unlink(pathToPatch);
}
if (unlinkRes!=0) {
char buff2[1024];
strerror_s(buff2, errno);
printf("\nWARNING: unlink %s failed.\nerr=%i (%s)\n", pathToPatch, errno, buff2);
}
return 0;
}
}
};
int main(int, char **)
{
printf("Server starting... ");
SLNet::AutopatcherServer autopatcherServer;
// SLNet::FLP_Printf progressIndicator;
SLNet::FileListTransfer fileListTransfer;
static const int workerThreadCount=4; // Used for checking patches only
static const int sqlConnectionObjectCount=32; // Used for both checking patches and downloading
AutopatcherPostgreRepository2_WithXDelta connectionObject[sqlConnectionObjectCount];
SLNet::AutopatcherRepositoryInterface *connectionObjectAddresses[sqlConnectionObjectCount];
for (int i=0; i < sqlConnectionObjectCount; i++)
connectionObjectAddresses[i]=&connectionObject[i];
// fileListTransfer.AddCallback(&progressIndicator);
autopatcherServer.SetFileListTransferPlugin(&fileListTransfer);
// PostgreSQL is fast, so this may not be necessary, or could use fewer threads
// This is used to read increments of large files concurrently, thereby serving users downloads as other users read from the DB
fileListTransfer.StartIncrementalReadThreads(sqlConnectionObjectCount);
autopatcherServer.SetMaxConurrentUsers(MAX_INCOMING_CONNECTIONS); // More users than this get queued up
SLNet::AutopatcherServerLoadNotifier_Printf loadNotifier;
autopatcherServer.SetLoadManagementCallback(&loadNotifier);
#ifdef USE_TCP
SLNet::PacketizedTCP packetizedTCP;
if (packetizedTCP.Start(LISTEN_PORT,MAX_INCOMING_CONNECTIONS)==false)
{
printf("Failed to start TCP. Is the port already in use?");
return 1;
}
packetizedTCP.AttachPlugin(&autopatcherServer);
packetizedTCP.AttachPlugin(&fileListTransfer);
#else
SLNet::RakPeerInterface *rakPeer;
rakPeer = SLNet::RakPeerInterface::GetInstance();
SLNet::SocketDescriptor socketDescriptor(LISTEN_PORT,0);
rakPeer->Startup(MAX_INCOMING_CONNECTIONS,&socketDescriptor, 1);
rakPeer->SetMaximumIncomingConnections(MAX_INCOMING_CONNECTIONS);
rakPeer->AttachPlugin(&autopatcherServer);
rakPeer->AttachPlugin(&fileListTransfer);
#endif
printf("started.\n");
printf("Enter database password:\n");
char connectionString[256],password[128];
char username[256];
strcpy_s(username, "postgres");
gets_s(password);
if (password[0]==0) strcpy_s(password, "aaaa");
strcpy_s(connectionString, "user=");
strcat_s(connectionString, username);
strcat_s(connectionString, " password=");
strcat_s(connectionString, password);
for (int conIdx=0; conIdx < sqlConnectionObjectCount; conIdx++)
{
if (connectionObject[conIdx].Connect(connectionString)==false)
{
printf("Database connection failed.\n");
return 1;
}
}
printf("Database connection suceeded.\n");
printf("Starting threads\n");
// 4 Worker threads, which is CPU intensive
// A greater number of SQL connections, which read files incrementally for large downloads
autopatcherServer.StartThreads(workerThreadCount,sqlConnectionObjectCount, connectionObjectAddresses);
autopatcherServer.CacheMostRecentPatch(0);
// autopatcherServer.SetAllowDownloadOfOriginalUnmodifiedFiles(false);
printf("System ready for connections\n");
// https://code.google.com/p/xdelta/downloads/list
printf("Optional: Enter path to xdelta.exe: ");
Gets(PATH_TO_XDELTA_EXE, sizeof(PATH_TO_XDELTA_EXE));
if (PATH_TO_XDELTA_EXE[0]==0)
strcpy_s(PATH_TO_XDELTA_EXE, "c:/xdelta3-3.0.6-win32.exe");
if (PATH_TO_XDELTA_EXE[0])
{
printf("Enter working directory to store temporary files: ");
Gets(WORKING_DIRECTORY, sizeof(WORKING_DIRECTORY));
if (WORKING_DIRECTORY[0]==0)
GetTempPathA(MAX_PATH, WORKING_DIRECTORY);
if (WORKING_DIRECTORY[strlen(WORKING_DIRECTORY)-1]=='\\' || WORKING_DIRECTORY[strlen(WORKING_DIRECTORY)-1]=='/')
WORKING_DIRECTORY[strlen(WORKING_DIRECTORY)-1]=0;
}
printf("(D)rop database\n(C)reate database.\n(A)dd application\n(U)pdate revision.\n(R)emove application\n(Q)uit\n");
int ch;
SLNet::Packet *p;
for(;;)
{
#ifdef USE_TCP
SLNet::SystemAddress notificationAddress;
notificationAddress=packetizedTCP.HasCompletedConnectionAttempt();
if (notificationAddress!= SLNet::UNASSIGNED_SYSTEM_ADDRESS)
printf("ID_CONNECTION_REQUEST_ACCEPTED\n");
notificationAddress=packetizedTCP.HasNewIncomingConnection();
if (notificationAddress!= SLNet::UNASSIGNED_SYSTEM_ADDRESS)
printf("ID_NEW_INCOMING_CONNECTION\n");
notificationAddress=packetizedTCP.HasLostConnection();
if (notificationAddress!= SLNet::UNASSIGNED_SYSTEM_ADDRESS)
printf("ID_CONNECTION_LOST\n");
p=packetizedTCP.Receive();
while (p)
{
packetizedTCP.DeallocatePacket(p);
p=packetizedTCP.Receive();
}
#else
p=rakPeer->Receive();
while (p)
{
if (p->data[0]==ID_NEW_INCOMING_CONNECTION)
printf("ID_NEW_INCOMING_CONNECTION\n");
else if (p->data[0]==ID_DISCONNECTION_NOTIFICATION)
printf("ID_DISCONNECTION_NOTIFICATION\n");
else if (p->data[0]==ID_CONNECTION_LOST)
printf("ID_CONNECTION_LOST\n");
rakPeer->DeallocatePacket(p);
p=rakPeer->Receive();
}
#endif
if (_kbhit())
{
ch=_getch();
if (ch=='q')
break;
else if (ch=='c')
{
if (connectionObject[0].CreateAutopatcherTables()==false)
printf("%s", connectionObject[0].GetLastError());
}
else if (ch=='d')
{
if (connectionObject[0].DestroyAutopatcherTables()==false)
printf("%s", connectionObject[0].GetLastError());
}
else if (ch=='a')
{
printf("Enter application name to add: ");
char appName[512];
Gets(appName,sizeof(appName));
if (appName[0]==0)
strcpy_s(appName, "TestApp");
if (connectionObject[0].AddApplication(appName, username)==false)
printf("%s", connectionObject[0].GetLastError());
else
printf("Done\n");
}
else if (ch=='r')
{
printf("Enter application name to remove: ");
char appName[512];
Gets(appName,sizeof(appName));
if (appName[0]==0)
strcpy_s(appName, "TestApp");
if (connectionObject[0].RemoveApplication(appName)==false)
printf("%s", connectionObject[0].GetLastError());
else
printf("Done\n");
}
else if (ch=='u')
{
printf("Enter application name: ");
char appName[512];
Gets(appName,sizeof(appName));
if (appName[0]==0)
strcpy_s(appName, "TestApp");
printf("Enter application directory: ");
char appDir[512];
Gets(appDir,sizeof(appDir));
if (appDir[0]==0)
strcpy_s(appDir, "D:\\temp");
if (connectionObject[0].UpdateApplicationFiles(appName, appDir, username, 0)==false)
{
printf("%s", connectionObject[0].GetLastError());
}
else
{
printf("Update success.\n");
autopatcherServer.CacheMostRecentPatch(appName);
}
}
}
RakSleep(30);
}
#ifdef USE_TCP
packetizedTCP.Stop();
#else
SLNet::RakPeerInterface::DestroyInstance(rakPeer);
#endif
return 0;
}