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Server.cpp
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/*************************************************************************
* UrBackup - Client/Server backup system
* Copyright (C) 2011-2014 Martin Raiber
*
* 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/>.
**************************************************************************/
#include "vld.h"
#ifdef _WIN32
#define _CRT_RAND_S
#endif
#include <iostream>
#include <fstream>
#include <algorithm>
#include <memory.h>
#ifndef _WIN32
#include <errno.h>
#endif
#include "libfastcgi/fastcgi.hpp"
#include "Interface/PluginMgr.h"
#include "Interface/Thread.h"
#include "Interface/DatabaseFactory.h"
#include "Server.h"
#include "Template.h"
#include "stringtools.h"
#include "defaults.h"
#include "SessionMgr.h"
#include "md5.h"
#include "ServiceAcceptor.h"
#include "LookupService.h"
#include "FileSettingsReader.h"
#include "DBSettingsReader.h"
#include "StreamPipe.h"
#include "ThreadPool.h"
#include "file.h"
#include "utf8/utf8.h"
#include "MemoryPipe.h"
#include "MemorySettingsReader.h"
#include "Database.h"
#include "SQLiteFactory.h"
#include "PipeThrottler.h"
#include "mt19937ar.h"
#include "Query.h"
#ifdef THREAD_BOOST
#include <boost/thread/thread.hpp>
#include <boost/thread/xtime.hpp>
#include <boost/bind.hpp>
#include "Mutex_boost.h"
#include "Condition_boost.h"
#else
#ifdef _WIN32
#else
#include <pthread.h>
#include "Mutex_lin.h"
#include "Condition_lin.h"
#endif
#endif
#ifdef _WIN32
# include <windows.h>
# include "Helper_win32.h"
# include <time.h>
#else
# include <ctime>
# include <sys/time.h>
# include <unistd.h>
# include <sys/types.h>
# include <pwd.h>
#endif
const size_t SEND_BLOCKSIZE=8192;
const size_t MAX_THREAD_ID=std::string::npos;
namespace
{
//GetTickCount64 for Windows Server 2003
#ifdef _WIN32
typedef ULONGLONG(WINAPI GetTickCount64_t)(VOID);
GetTickCount64_t* GetTickCount64_fun = NULL;
void initialize_GetTickCount64()
{
HMODULE hKernel32 = GetModuleHandleW(L"Kernel32.dll");
if(hKernel32)
{
GetTickCount64_fun = reinterpret_cast<GetTickCount64_t*> (GetProcAddress(hKernel32, "GetTickCount64"));
}
}
#endif
}
extern bool run;
CServer::CServer()
{
curr_thread_id=0;
curr_pluginid=0;
curr_postfilekey=0;
loglevel=LL_INFO;
logfile_a=false;
circular_log_buffer_id=0;
circular_log_buffer_idx=0;
has_circular_log_buffer=false;
failbits=0;
startup_complete=false;
log_mutex=createMutex();
action_mutex=createMutex();
requests_mutex=createMutex();
outputs_mutex=createMutex();
db_mutex=createMutex();
thread_mutex=createMutex();
plugin_mutex=createMutex();
rps_mutex=createMutex();
postfiles_mutex=createMutex();
param_mutex=createMutex();
startup_complete_mutex=createMutex();
startup_complete_cond=createCondition();
rnd_mutex=createMutex();
initRandom(static_cast<unsigned int>(time(0)));
initRandom(getSecureRandomNumber());
log_rotation_size = std::string::npos;
log_rotation_files = 10;
if(FileExists("large_log_rotation"))
{
log_rotation_files = 100;
}
#ifdef _WIN32
initialize_GetTickCount64();
log_rotation_size = 20*1024*1024; //20MB
#endif
}
void CServer::setup(void)
{
CFileSettingsReader::setup();
sessmgr=new CSessionMgr();
threadpool=new CThreadPool();
#ifndef NO_SQLITE
CDatabase::initMutex();
registerDatabaseFactory("sqlite", new SQLiteFactory );
#endif
CQuery::init_mutex();
#ifdef MODE_WIN
File::init_mutex();
#endif
}
void CServer::destroyAllDatabases(void)
{
Log("Destroying all databases...", LL_DEBUG);
IScopedLock lock(db_mutex);
for(std::map<DATABASE_ID, SDatabase >::iterator i=databases.begin();
i!=databases.end();++i)
{
for( std::map<THREAD_ID, IDatabaseInt*>::iterator j=i->second.tmap.begin();j!=i->second.tmap.end();++j)
{
delete j->second;
}
i->second.tmap.clear();
}
}
void CServer::destroyDatabases(THREAD_ID tid)
{
IScopedLock lock(db_mutex);
for(std::map<DATABASE_ID, SDatabase >::iterator i=databases.begin();
i!=databases.end();++i)
{
std::map<THREAD_ID, IDatabaseInt*>::iterator iter=i->second.tmap.find(tid);
if(iter!=i->second.tmap.end())
{
delete iter->second;
i->second.tmap.erase(iter);
}
}
}
CServer::~CServer()
{
if(getServerParameter("leak_check")!="true") //minimal cleanup
{
return;
}
Log("deleting cached settings...");
CFileSettingsReader::cleanup();
Log("deleting stream services...");
//Delete extra Services
for(size_t i=0;i<stream_services.size();++i)
{
delete stream_services[i];
}
Log("deleting plugins...");
//delete Plugins
for(std::map<PLUGIN_ID, std::pair<IPluginMgr*,str_map> >::iterator iter1=perthread_pluginparams.begin();
iter1!=perthread_pluginparams.end();++iter1)
{
std::map<PLUGIN_ID, std::map<THREAD_ID, IPlugin*> >::iterator iter2=perthread_plugins.find( iter1->first );
if( iter2!=perthread_plugins.end() )
{
std::map<THREAD_ID, IPlugin*> *pmap=&iter2->second;
for( std::map<THREAD_ID, IPlugin*>::iterator iter3=pmap->begin();iter3!=pmap->end();++iter3 )
{
iter1->second.first->destroyPluginInstance( iter3->second );
}
}
}
Log("Deleting threadsafe plugins...");
for(std::map<PLUGIN_ID, IPlugin*>::iterator iter1=threadsafe_plugins.begin();iter1!=threadsafe_plugins.end();++iter1)
{
iter1->second->Remove();
}
Log("Deleting pluginmanagers...");
for(std::map<std::string, IPluginMgr*>::iterator iter=perthread_pluginmgrs.begin();iter!=perthread_pluginmgrs.end();++iter)
{
iter->second->Remove();
}
for(std::map<std::string, IPluginMgr*>::iterator iter=threadsafe_pluginmgrs.begin();iter!=threadsafe_pluginmgrs.end();++iter)
{
iter->second->Remove();
}
Log("Deleting actions...");
for(std::map< std::wstring, std::map<std::wstring, IAction*> >::iterator iter1=actions.begin();iter1!=actions.end();++iter1)
{
for(std::map<std::wstring, IAction*>::iterator iter2=iter1->second.begin();iter2!=iter1->second.end();++iter2)
{
iter2->second->Remove();
}
}
actions.clear();
Log("Deleting sessmgr...");
delete sessmgr;
Log("Shutting down ThreadPool...");
threadpool->Shutdown();
delete threadpool;
Log("destroying databases...");
//Destroy Databases
destroyAllDatabases();
Log("deleting database factories...");
for(std::map<std::string, IDatabaseFactory*>::iterator it=database_factories.begin();it!=database_factories.end();++it)
{
it->second->Remove();
}
Log("unloading dlls...");
UnloadDLLs();
Log("Destroying mutexes");
destroy(log_mutex);
destroy(action_mutex);
destroy(requests_mutex);
destroy(outputs_mutex);
destroy(db_mutex);
destroy(thread_mutex);
destroy(plugin_mutex);
destroy(rps_mutex);
destroy(postfiles_mutex);
destroy(param_mutex);
destroy(startup_complete_mutex);
destroy(startup_complete_cond);
destroy(rnd_mutex);
#ifndef NO_SQLITE
CDatabase::destroyMutex();
#endif
#ifdef MODE_WIN
File::destroy_mutex();
#endif
std::cout << "Server cleanup done..." << std::endl;
}
void CServer::setServerParameters(const str_nmap &pServerParams)
{
IScopedLock lock(param_mutex);
server_params=pServerParams;
}
std::string CServer::getServerParameter(const std::string &key)
{
return getServerParameter(key, "");
}
std::string CServer::getServerParameter(const std::string &key, const std::string &def)
{
IScopedLock lock(param_mutex);
str_nmap::iterator iter=server_params.find(key);
if( iter!=server_params.end() )
{
return iter->second;
}
else
return def;
}
void CServer::setServerParameter(const std::string &key, const std::string &value)
{
IScopedLock lock(param_mutex);
server_params[key]=value;
}
void CServer::Log( const std::string &pStr, int LogLevel)
{
if( loglevel <=LogLevel )
{
IScopedLock lock(log_mutex);
time_t rawtime;
char buffer [100];
time ( &rawtime );
#ifdef _WIN32
struct tm timeinfo;
localtime_s(&timeinfo, &rawtime);
strftime (buffer,100,"%Y-%m-%d %X: ",&timeinfo);
#else
struct tm *timeinfo;
timeinfo = localtime ( &rawtime );
strftime (buffer,100,"%Y-%m-%d %X: ",timeinfo);
#endif
if( LogLevel==LL_ERROR )
{
std::cout << buffer << "ERROR: " << pStr << std::endl;
if(logfile_a)
logfile << buffer << "ERROR: " << pStr << std::endl;
}
else if( LogLevel==LL_WARNING )
{
std::cout << buffer << "WARNING: " << pStr << std::endl;
if(logfile_a)
logfile<< buffer << "WARNING: " << pStr << std::endl;
}
else
{
std::cout << buffer << pStr << std::endl;
if(logfile_a)
logfile << buffer << pStr << std::endl;
}
if(logfile_a)
{
logfile.flush();
rotateLogfile();
}
if(has_circular_log_buffer)
{
logToCircularBuffer(pStr, LogLevel);
}
}
else if(has_circular_log_buffer)
{
IScopedLock lock(log_mutex);
logToCircularBuffer(pStr, LogLevel);
}
}
void CServer::rotateLogfile()
{
if(static_cast<size_t>(logfile.tellp())>log_rotation_size)
{
logfile.close();
logfile_a=false;
for(size_t i=log_rotation_files-1;i>0;--i)
{
rename((logfile_fn+"."+nconvert(i)).c_str(), (logfile_fn+"."+nconvert(i+1)).c_str());
}
deleteFile(logfile_fn+"."+nconvert(log_rotation_files));
rename(logfile_fn.c_str(), (logfile_fn+".1").c_str());
setLogFile(logfile_fn, logfile_chown_user);
}
}
void CServer::Log( const std::wstring &pStr, int LogLevel)
{
if( loglevel <=LogLevel )
{
IScopedLock lock(log_mutex);
time_t rawtime;
char buffer [100];
time ( &rawtime );
#ifdef _WIN32
struct tm timeinfo;
localtime_s(&timeinfo, &rawtime);
strftime (buffer,100,"%Y-%m-%d %X: ",&timeinfo);
#else
struct tm *timeinfo;
timeinfo = localtime ( &rawtime );
strftime (buffer,100,"%Y-%m-%d %X: ",timeinfo);
#endif
std::string out_str=ConvertToUTF8(pStr);
if( LogLevel==LL_ERROR )
{
std::cout << buffer << "ERROR: " << out_str << std::endl;
if(logfile_a)
logfile << buffer << "ERROR: " << out_str << std::endl;
}
else if( LogLevel==LL_WARNING )
{
std::cout << buffer << "WARNING: " << out_str << std::endl;
if(logfile_a)
logfile << buffer << "WARNING: " << out_str << std::endl;
}
else
{
std::cout << buffer << out_str << std::endl;
if(logfile_a)
logfile << buffer << out_str<< std::endl;
}
if(logfile_a)
{
logfile.flush();
rotateLogfile();
}
if(has_circular_log_buffer)
{
logToCircularBuffer(out_str, LogLevel);
}
}
else if(has_circular_log_buffer)
{
IScopedLock lock(log_mutex);
logToCircularBuffer(ConvertToUTF8(pStr), LogLevel);
}
}
void CServer::setLogFile(const std::string &plf, std::string chown_user)
{
IScopedLock lock(log_mutex);
if(logfile_a)
{
logfile.close();
logfile_a=false;
}
logfile_fn=plf;
logfile_chown_user=chown_user;
logfile.open( logfile_fn.c_str(), std::ios::app | std::ios::out | std::ios::binary );
if(logfile.is_open() )
{
#ifndef _WIN32
if(!chown_user.empty())
{
char buf[1000];
passwd pwbuf;
passwd *pw;
int rc=getpwnam_r(chown_user.c_str(), &pwbuf, buf, 1000, &pw);
if(pw!=NULL)
{
chown(plf.c_str(), pw->pw_uid, pw->pw_gid);
}
else
{
Server->Log("Unable to change logfile ownership", LL_ERROR);
}
}
#endif
logfile_a=true;
}
}
void CServer::setLogLevel(int LogLevel)
{
IScopedLock lock(log_mutex);
loglevel=LogLevel;
}
THREAD_ID CServer::Execute(const std::wstring &action, const std::wstring &context, str_map &GET, str_map &POST, str_nmap &PARAMS, IOutputStream *req)
{
IAction *action_ptr=NULL;
{
IScopedLock lock(action_mutex);
std::map<std::wstring, std::map<std::wstring, IAction*> >::iterator iter1=actions.find( context );
if( iter1!=actions.end() )
{
std::map<std::wstring, IAction*>::iterator iter2=iter1->second.find(action);
if( iter2!=iter1->second.end() )
action_ptr=iter2->second;
}
}
if( action_ptr!=NULL )
{
THREAD_ID tid=getThreadID();
IOutputStream *current_req=NULL;
{
IScopedLock lock(requests_mutex);
std::map<THREAD_ID, IOutputStream*>::iterator iter=current_requests.find(tid);
if( iter!=current_requests.end() )
{
current_req=iter->second;
iter->second=req;
}
else
{
current_requests.insert(std::pair<THREAD_ID, IOutputStream*>(tid, req) );
}
}
{
IScopedLock lock(outputs_mutex);
current_outputs[tid]=std::pair<bool, std::string>(false, "");
}
action_ptr->Execute( GET, POST, tid, PARAMS);
clearDatabases(tid);
bool b = WriteRaw(tid, NULL, 0, false);
if( current_req!=NULL )
{
IScopedLock lock(requests_mutex);
current_requests[tid]=current_req;
}
if(!b)
{
throw std::runtime_error("OutputStream error");
}
return tid;
}
return 0;
}
std::string CServer::Execute(const std::wstring &action, const std::wstring &context, str_map &GET, str_map &POST, str_nmap &PARAMS)
{
CStringOutputStream cos;
Execute(action, context, GET, POST, PARAMS, &cos);
return cos.getData();
}
void CServer::AddAction(IAction *action)
{
IScopedLock lock(action_mutex);
std::map<std::wstring, IAction*> *ptr=&actions[action_context];
ptr->insert( std::pair<std::wstring, IAction*>(action->getName(), action ) );
}
bool CServer::RemoveAction(IAction *action)
{
IScopedLock lock(action_mutex);
std::map<std::wstring, std::map<std::wstring, IAction*> >::iterator iter1=actions.find(action_context);
if( iter1!=actions.end() )
{
std::map<std::wstring, IAction*>::iterator iter2=iter1->second.find( action->getName() );
if( iter2!=iter1->second.end() )
{
iter1->second.erase( iter2 );
return true;
}
}
return false;
}
void CServer::setActionContext(std::wstring context)
{
action_context=context;
}
void CServer::resetActionContext(void)
{
action_context.clear();
}
int64 CServer::getTimeSeconds(void)
{
#ifdef _WIN32
SYSTEMTIME st;
GetSystemTime(&st);
return unix_timestamp(&st);
#else
timeval t;
gettimeofday(&t,NULL);
return t.tv_sec;
#endif
}
int64 CServer::getTimeMS(void)
{
#ifdef _WIN32
if(GetTickCount64_fun)
{
return GetTickCount64_fun();
}
else
{
return GetTickCount();
}
#else
//return (unsigned int)(((double)clock()/(double)CLOCKS_PER_SEC)*1000.0);
/*
boost::xtime xt;
boost::xtime_get(&xt, boost::TIME_UTC);
static boost::int_fast64_t start_t=xt.sec;
xt.sec-=start_t;
unsigned int t=xt.sec*1000+(unsigned int)((double)xt.nsec/1000000.0);
return t;*/
timeval tp;
gettimeofday(&tp, NULL);
static long start_t=tp.tv_sec;
tp.tv_sec-=start_t;
return tp.tv_sec*1000+tp.tv_usec/1000;
#endif
}
bool CServer::WriteRaw(THREAD_ID tid, const char *buf, size_t bsize, bool cached)
{
bool ret=true;
if( cached==false )
{
IOutputStream* req=NULL;
{
IScopedLock lock(requests_mutex);
std::map<THREAD_ID, IOutputStream*>::iterator iter=current_requests.find( tid );
if( iter!=current_requests.end() )
req=iter->second;
}
if( req!=NULL )
{
{
IScopedLock lock(outputs_mutex);
std::pair<bool, std::string> *co=¤t_outputs[tid];
std::string *curr_output=&co->second;
bool sent=co->first;
if( sent==false && next(*curr_output,0,"Content-type: ")==false )
{
curr_output->insert(0, "Content-type: "+DEFAULT_CONTENTTYPE+"\r\n\r\n");
co->first=true;
}
try
{
if(curr_output->size()<SEND_BLOCKSIZE)
{
req->write(*curr_output);
}
else
{
for(size_t i=0,size=curr_output->size();i<size;i+=SEND_BLOCKSIZE)
{
req->write(&(*curr_output)[i], (std::min)(SEND_BLOCKSIZE, size-i) );
}
}
}
catch(std::exception&)
{
Server->Log("Sending data failed", LL_INFO);
ret=false;
}
curr_output->clear();
}
try
{
if( bsize>0 && bsize<SEND_BLOCKSIZE)
{
req->write(buf, bsize);
}
else if(bsize>0 )
{
for(size_t i=0,size=bsize;i<size;i+=SEND_BLOCKSIZE)
{
req->write(&buf[i], (std::min)(SEND_BLOCKSIZE, size-i) );
}
}
}
catch(std::exception&)
{
Server->Log("Sending data failed", LL_INFO);
ret=false;
}
}
else
Log("Couldn't find THREAD_ID - cached=true", LL_ERROR);
}
else
{
if( bsize>0 )
{
IScopedLock lock(outputs_mutex);
std::map<THREAD_ID, std::pair<bool, std::string> >::iterator iter=current_outputs.find( tid );
if( iter!=current_outputs.end() )
{
iter->second.second.append(buf, bsize);
}
else
{
Log("Couldn't find THREAD_ID - cached=false", LL_ERROR);
ret=false;
}
}
}
return ret;
}
bool CServer::Write(THREAD_ID tid, const std::string &str, bool cached)
{
return WriteRaw(tid, str.c_str(), str.size(), cached);
}
bool CServer::UnloadDLLs(void)
{
UnloadDLLs2();
return true;
}
void CServer::ShutdownPlugins(void)
{
for(std::map<std::string, UNLOADACTIONS>::iterator iter=unload_functs.begin();
iter!=unload_functs.end();++iter)
{
if(iter->second!=NULL)
iter->second();
}
unload_functs.clear();
}
bool CServer::UnloadDLL(const std::string &name)
{
std::map<std::string, UNLOADACTIONS>::iterator iter=unload_functs.find(name);
if(iter!=unload_functs.end() )
{
if( iter->second!=NULL )
{
iter->second();
unload_functs.erase(iter);
}
return true;
}
return false;
}
void CServer::destroy(IObject *obj)
{
if(obj!=NULL)
{
obj->Remove();
}
}
ITemplate* CServer::createTemplate(std::string pFile)
{
return new CTemplate(pFile);
}
THREAD_ID CServer::getThreadID(void)
{
#ifdef THREAD_BOOST
IScopedLock lock(thread_mutex);
boost::thread::id ct=boost::this_thread::get_id();
std::map<boost::thread::id, THREAD_ID>::iterator iter=threads.find(ct);
if(iter!=threads.end() )
{
return iter->second;
}
++curr_thread_id;
if( curr_thread_id>=MAX_THREAD_ID )
curr_thread_id=0;
threads.insert( std::pair<boost::thread::id, THREAD_ID>( ct, curr_thread_id) );
return curr_thread_id;
#else
#ifndef _WIN32
IScopedLock lock(thread_mutex);
pthread_t ct=pthread_self();
std::map<pthread_t, THREAD_ID>::iterator iter=threads.find(ct);
if(iter!=threads.end() )
{
return iter->second;
}
++curr_thread_id;
if( curr_thread_id>=MAX_THREAD_ID )
curr_thread_id=0;
threads.insert( std::pair<pthread_t, THREAD_ID>( ct, curr_thread_id) );
return curr_thread_id;
#endif
#endif //THREAD_BOOST
}
bool CServer::openDatabase(std::string pFile, DATABASE_ID pIdentifier, std::string pEngine)
{
IScopedLock lock(db_mutex);
std::map<DATABASE_ID, SDatabase >::iterator iter=databases.find(pIdentifier);
if( iter!=databases.end() )
{
Log("Database already openend", LL_ERROR);
return false;
}
std::map<std::string, IDatabaseFactory*>::iterator iter2=database_factories.find(pEngine);
if(iter2==database_factories.end())
{
Log("Database engine not found", LL_ERROR);
return false;
}
SDatabase ndb(iter2->second, pFile);
databases.insert( std::pair<DATABASE_ID, SDatabase >(pIdentifier, ndb) );
return true;
}
IDatabase* CServer::getDatabase(THREAD_ID tid, DATABASE_ID pIdentifier)
{
IScopedLock lock(db_mutex);
std::map<DATABASE_ID, SDatabase >::iterator database_iter=databases.find(pIdentifier);
if( database_iter==databases.end() )
{
Log("Database with identifier \""+nconvert((int)pIdentifier)+"\" couldn't be opened", LL_ERROR);
return NULL;
}
std::map<THREAD_ID, IDatabaseInt*>::iterator thread_iter=database_iter->second.tmap.find( tid );
if( thread_iter==database_iter->second.tmap.end() )
{
IDatabaseInt *db=database_iter->second.factory->createDatabase();
if(db->Open(database_iter->second.file, database_iter->second.attach)==false )
{
Log("Database \""+database_iter->second.file+"\" couldn't be opened", LL_ERROR);
return NULL;
}
Log("Created new database connection for "+database_iter->second.file, LL_DEBUG);
database_iter->second.tmap.insert( std::pair< THREAD_ID, IDatabaseInt* >( tid, db ) );
return db;
}
else
{
return thread_iter->second;
}
}
void CServer::clearDatabases(THREAD_ID tid)
{
IScopedLock lock(db_mutex);
for(std::map<DATABASE_ID, SDatabase >::iterator i=databases.begin();
i!=databases.end();++i)
{
std::map<THREAD_ID, IDatabaseInt*>::iterator iter=i->second.tmap.find(tid);
if( iter!=i->second.tmap.end() )
{
iter->second->destroyAllQueries();
}
}
}
void CServer::setContentType(THREAD_ID tid, const std::string &str)
{
{
IScopedLock lock(outputs_mutex);
std::pair<bool, std::string> *co=¤t_outputs[tid];
std::string *curr_output=&co->second;
if( curr_output->find("Content-type: ")==0 )
{
*curr_output=strdelete("Content-type: "+getbetween("Content-type: ","\r\n\r\n", *curr_output)+"\r\n\r\n", *curr_output);
}
if(curr_output->find("\r\n\r\n")!=std::string::npos )
{
curr_output->insert(0, "Content-type: "+str+"\r\n");
}
else
{
curr_output->insert(0, "Content-type: "+str+"\r\n\r\n");
}
co->first=true;
}
}
void CServer::addHeader(THREAD_ID tid, const std::string &str)
{
{
IScopedLock lock(outputs_mutex);
std::pair<bool, std::string> *co=¤t_outputs[tid];
std::string *curr_output=&co->second;
std::string tadd=str;
if( curr_output->find("\r\n\r\n")!=std::string::npos )
{
tadd+="\r\n";
}
else
{
tadd+="\r\n\r\n";
}
curr_output->insert(0, tadd);
co->first=true;
}
}
ISessionMgr *CServer::getSessionMgr(void)
{
return sessmgr;
}
std::string CServer::GenerateHexMD5(const std::string &input)
{
MD5 md((unsigned char*)input.c_str() );
char *p=md.hex_digest();
std::string ret=p;
delete []p;
return ret;
}
std::string CServer::GenerateBinaryMD5(const std::string &input)
{
MD5 md((unsigned char*)input.c_str() );
unsigned char *p=md.raw_digest();
std::string ret;
ret.resize(16);
for(size_t i=0;i<16;++i)
ret[i]=p[i];
delete []p;