* Author : Maxim Mamontov <faust@stargazer.dp.ua>
*/
-#include <sys/time.h>
+#include "rscript.h"
-#include <csignal>
-#include <cassert>
-#include <cstdlib>
-#include <cerrno>
-#include <cstring>
-#include <algorithm>
+#include "ur_functor.h"
#include "stg/common.h"
#include "stg/locker.h"
#include "stg/users.h"
#include "stg/user_property.h"
-#include "stg/plugin_creator.h"
#include "stg/logger.h"
-#include "rscript.h"
-#include "ur_functor.h"
-#include "send_functor.h"
-
-extern volatile time_t stgTime;
-using RS::REMOTE_SCRIPT;
+#include <algorithm>
-namespace {
+#include <csignal>
+#include <cassert>
+#include <cstdlib>
+#include <cerrno>
+#include <cstring>
-template<typename T>
-struct USER_IS
-{
- USER_IS(USER_PTR u) : user(u) {}
- bool operator()(const T & notifier) { return notifier.GetUser() == user; }
+#include <sys/time.h>
+#include <netinet/ip.h>
- USER_PTR user;
-};
+#define RS_DEBUG (1)
+#define MAX_SHORT_PCKT (3)
-PLUGIN_CREATOR<REMOTE_SCRIPT> rsc;
+extern volatile time_t stgTime;
-} // namespace anonymous
+namespace RS = STG::RS;
+using RS::REMOTE_SCRIPT;
-extern "C" PLUGIN * GetPlugin();
-//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-PLUGIN * GetPlugin()
+extern "C" STG::Plugin* GetPlugin()
{
-return rsc.GetPlugin();
+ static REMOTE_SCRIPT plugin;
+ return &plugin;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
RS::SETTINGS::SETTINGS()
: sendPeriod(0),
- port(0),
- errorStr(),
- netRouters(),
- userParams(),
- password(),
- subnetFile()
+ port(0)
{
}
//-----------------------------------------------------------------------------
-int RS::SETTINGS::ParseSettings(const MODULE_SETTINGS & s)
+int RS::SETTINGS::ParseSettings(const ModuleSettings & s)
{
int p;
-PARAM_VALUE pv;
-std::vector<PARAM_VALUE>::const_iterator pvi;
+ParamValue pv;
netRouters.clear();
///////////////////////////
pv.param = "Port";
-pvi = find(s.moduleParams.begin(), s.moduleParams.end(), pv);
-if (pvi == s.moduleParams.end())
+auto pvi = find(s.moduleParams.begin(), s.moduleParams.end(), pv);
+if (pvi == s.moduleParams.end() || pvi->value.empty())
{
errorStr = "Parameter \'Port\' not found.";
printfd(__FILE__, "Parameter 'Port' not found\n");
return -1;
}
-if (ParseIntInRange(pvi->value[0], 2, 65535, &p))
+if (ParseIntInRange(pvi->value[0], 2, 65535, &p) != 0)
{
errorStr = "Cannot parse parameter \'Port\': " + errorStr;
printfd(__FILE__, "Cannot parse parameter 'Port'\n");
///////////////////////////
pv.param = "SendPeriod";
pvi = find(s.moduleParams.begin(), s.moduleParams.end(), pv);
-if (pvi == s.moduleParams.end())
+if (pvi == s.moduleParams.end() || pvi->value.empty())
{
errorStr = "Parameter \'SendPeriod\' not found.";
printfd(__FILE__, "Parameter 'SendPeriod' not found\n");
return -1;
}
-if (ParseIntInRange(pvi->value[0], 5, 600, &sendPeriod))
+if (ParseIntInRange(pvi->value[0], 5, 600, &sendPeriod) != 0)
{
errorStr = "Cannot parse parameter \'SendPeriod\': " + errorStr;
printfd(__FILE__, "Cannot parse parameter 'SendPeriod'\n");
///////////////////////////
pv.param = "UserParams";
pvi = find(s.moduleParams.begin(), s.moduleParams.end(), pv);
-if (pvi == s.moduleParams.end())
+if (pvi == s.moduleParams.end() || pvi->value.empty())
{
errorStr = "Parameter \'UserParams\' not found.";
printfd(__FILE__, "Parameter 'UserParams' not found\n");
///////////////////////////
pv.param = "Password";
pvi = find(s.moduleParams.begin(), s.moduleParams.end(), pv);
-if (pvi == s.moduleParams.end())
+if (pvi == s.moduleParams.end() || pvi->value.empty())
{
errorStr = "Parameter \'Password\' not found.";
printfd(__FILE__, "Parameter 'Password' not found\n");
///////////////////////////
pv.param = "SubnetFile";
pvi = find(s.moduleParams.begin(), s.moduleParams.end(), pv);
-if (pvi == s.moduleParams.end())
+if (pvi == s.moduleParams.end() || pvi->value.empty())
{
errorStr = "Parameter \'SubnetFile\' not found.";
printfd(__FILE__, "Parameter 'SubnetFile' not found\n");
NRMapParser nrMapParser;
if (!nrMapParser.ReadFile(subnetFile))
- {
netRouters = nrMapParser.GetMap();
- }
else
- {
- GetStgLogger()("mod_rscript: error opening subnets file '%s'", subnetFile.c_str());
- }
+ PluginLogger::get("rscript")("mod_rscript: error opening subnets file '%s'", subnetFile.c_str());
return 0;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
REMOTE_SCRIPT::REMOTE_SCRIPT()
- : ctx(),
- ipNotifierList(),
- connNotifierList(),
- authorizedUsers(),
- errorStr(),
- rsSettings(),
- settings(),
- sendPeriod(15),
+ : sendPeriod(15),
halfPeriod(8),
- nonstop(false),
isRunning(false),
- users(NULL),
- netRouters(),
- thread(),
- mutex(),
+ users(nullptr),
sock(0),
- onAddUserNotifier(*this),
- onDelUserNotifier(*this),
- logger(GetPluginLogger(GetStgLogger(), "rscript"))
+ logger(PluginLogger::get("rscript"))
{
-pthread_mutex_init(&mutex, NULL);
}
//-----------------------------------------------------------------------------
-REMOTE_SCRIPT::~REMOTE_SCRIPT()
-{
-pthread_mutex_destroy(&mutex);
-}
-//-----------------------------------------------------------------------------
-void * REMOTE_SCRIPT::Run(void * d)
+void REMOTE_SCRIPT::Run(std::stop_token token)
{
sigset_t signalSet;
sigfillset(&signalSet);
-pthread_sigmask(SIG_BLOCK, &signalSet, NULL);
-
-REMOTE_SCRIPT * rs = static_cast<REMOTE_SCRIPT *>(d);
+pthread_sigmask(SIG_BLOCK, &signalSet, nullptr);
-rs->isRunning = true;
+isRunning = true;
-while (rs->nonstop)
+while (!token.stop_requested())
{
- rs->PeriodicSend();
+ PeriodicSend();
sleep(2);
}
-rs->isRunning = false;
-return NULL;
+isRunning = false;
}
//-----------------------------------------------------------------------------
int REMOTE_SCRIPT::ParseSettings()
{
-int ret = rsSettings.ParseSettings(settings);
-if (ret)
+auto ret = rsSettings.ParseSettings(settings);
+if (ret != 0)
errorStr = rsSettings.GetStrError();
sendPeriod = rsSettings.GetSendPeriod();
{
netRouters = rsSettings.GetSubnetsMap();
-InitEncrypt(&ctx, rsSettings.GetPassword());
+InitEncrypt(rsSettings.GetPassword());
-users->AddNotifierUserAdd(&onAddUserNotifier);
-users->AddNotifierUserDel(&onDelUserNotifier);
-
-nonstop = true;
+m_onAddUserConn = users->onAdd([this](auto user){ AddUser(user); });
+m_onDelUserConn = users->onDel([this](auto user){ DelUser(user); });
if (GetUsers())
- {
return -1;
- }
if (PrepareNet())
- {
return -1;
- }
if (!isRunning)
- {
- if (pthread_create(&thread, NULL, Run, this))
- {
- errorStr = "Cannot create thread.";
- logger("Cannot create thread.");
- printfd(__FILE__, "Cannot create thread\n");
- return -1;
- }
- }
+ m_thread = std::jthread([this](auto token){ Run(std::move(token)); });
errorStr = "";
return 0;
if (!IsRunning())
return 0;
-nonstop = false;
+m_thread.request_stop();
std::for_each(
- authorizedUsers.begin(),
- authorizedUsers.end(),
- DisconnectUser(*this)
- );
+ authorizedUsers.begin(),
+ authorizedUsers.end(),
+ [this](auto& kv){ Send(kv.second, true); }
+);
FinalizeNet();
for (int i = 0; i < 25 && isRunning; i++)
{
struct timespec ts = {0, 200000000};
- nanosleep(&ts, NULL);
+ nanosleep(&ts, nullptr);
}
}
-users->DelNotifierUserDel(&onDelUserNotifier);
-users->DelNotifierUserAdd(&onAddUserNotifier);
-
if (isRunning)
{
logger("Cannot stop thread.");
- return -1;
+ m_thread.detach();
}
+else
+ m_thread.join();
return 0;
}
//-----------------------------------------------------------------------------
-int REMOTE_SCRIPT::Reload()
+int REMOTE_SCRIPT::Reload(const ModuleSettings & /*ms*/)
{
NRMapParser nrMapParser;
}
{
- STG_LOCKER lock(&mutex);
+ std::lock_guard lock(m_mutex);
printfd(__FILE__, "REMOTE_SCRIPT::Reload()\n");
//-----------------------------------------------------------------------------
void REMOTE_SCRIPT::PeriodicSend()
{
-STG_LOCKER lock(&mutex);
+std::lock_guard lock(m_mutex);
-std::map<uint32_t, RS::USER>::iterator it(authorizedUsers.begin());
+auto it = authorizedUsers.begin();
while (it != authorizedUsers.end())
{
if (difftime(stgTime, it->second.lastSentTime) - (rand() % halfPeriod) > sendPeriod)
RS::PACKET_HEADER packetHead;
memset(packetHead.padding, 0, sizeof(packetHead.padding));
-strcpy((char*)packetHead.magic, RS_ID);
+memcpy(packetHead.magic, RS_ID, sizeof(RS_ID));
packetHead.protoVer[0] = '0';
packetHead.protoVer[1] = '2';
if (forceDisconnect)
packetHead.ip = htonl(rsu.ip);
packetHead.id = htonl(rsu.user->GetID());
-strncpy((char*)packetHead.login, rsu.user->GetLogin().c_str(), RS_LOGIN_LEN);
+strncpy(reinterpret_cast<char*>(packetHead.login), rsu.user->GetLogin().c_str(), RS_LOGIN_LEN);
packetHead.login[RS_LOGIN_LEN - 1] = 0;
memcpy(buf, &packetHead, sizeof(packetHead));
RS::PACKET_TAIL packetTail;
memset(packetTail.padding, 0, sizeof(packetTail.padding));
-strcpy((char*)packetTail.magic, RS_ID);
-std::vector<std::string>::const_iterator it;
+memcpy(packetTail.magic, RS_ID, sizeof(RS_ID));
std::string params;
-for(it = rsSettings.GetUserParams().begin();
- it != rsSettings.GetUserParams().end();
- ++it)
+for (const auto& param : rsSettings.GetUserParams())
{
- std::string parameter(rsu.user->GetParamValue(it->c_str()));
- if (params.length() + parameter.length() > RS_PARAMS_LEN - 1)
+ auto value = rsu.user->GetParamValue(param);
+ if (params.length() + value.length() > RS_PARAMS_LEN - 1)
{
- logger("Script params string length %d exceeds the limit of %d symbols.", params.length() + parameter.length(), RS_PARAMS_LEN);
+ logger("Script params string length %d exceeds the limit of %d symbols.", params.length() + value.length(), RS_PARAMS_LEN);
break;
}
- params += parameter + " ";
+ params += value + " ";
}
-strncpy((char *)packetTail.params, params.c_str(), RS_PARAMS_LEN);
+strncpy(reinterpret_cast<char*>(packetTail.params), params.c_str(), RS_PARAMS_LEN);
packetTail.params[RS_PARAMS_LEN - 1] = 0;
assert(sizeof(packetHead) + sizeof(packetTail) <= bufSize && "Insufficient buffer space");
-Encrypt(&ctx, buf + sizeof(packetHead), (char *)&packetTail, sizeof(packetTail) / 8);
+Encrypt(buf + sizeof(packetHead), reinterpret_cast<char *>(&packetTail), sizeof(packetTail) / 8);
return false;
}
return true;
}
-std::for_each(
- rsu.routers.begin(),
- rsu.routers.end(),
- PacketSender(sock, buffer, sizeof(buffer), static_cast<uint16_t>(htons(rsSettings.GetPort())))
- );
+for (const auto& ip : rsu.routers)
+{
+ struct sockaddr_in sendAddr;
+
+ sendAddr.sin_family = AF_INET;
+ sendAddr.sin_port = htons(rsSettings.GetPort());
+ sendAddr.sin_addr.s_addr = ip;
+
+ return sendto(sock, buffer, sizeof(buffer), 0, reinterpret_cast<struct sockaddr*>(&sendAddr), sizeof(sendAddr)) > 0;
+}
return false;
}
struct sockaddr_in sendAddr;
sendAddr.sin_family = AF_INET;
-sendAddr.sin_port = static_cast<uint16_t>(htons(rsSettings.GetPort()));
+sendAddr.sin_port = htons(rsSettings.GetPort());
sendAddr.sin_addr.s_addr = routerIP;
-ssize_t res = sendto(sock, buffer, sizeof(buffer), 0, (struct sockaddr *)&sendAddr, sizeof(sendAddr));
+ssize_t res = sendto(sock, buffer, sizeof(buffer), 0, reinterpret_cast<struct sockaddr *>(&sendAddr), sizeof(sendAddr));
if (res < 0)
logger("sendto error: %s", strerror(errno));
//-----------------------------------------------------------------------------
bool REMOTE_SCRIPT::GetUsers()
{
-USER_PTR u;
+UserPtr u;
int h = users->OpenSearch();
assert(h && "USERS::OpenSearch is always correct");
-while (!users->SearchNext(h, &u))
- {
+while (users->SearchNext(h, &u) != 0)
SetUserNotifiers(u);
- }
users->CloseSearch(h);
return false;
//-----------------------------------------------------------------------------
std::vector<uint32_t> REMOTE_SCRIPT::IP2Routers(uint32_t ip)
{
-STG_LOCKER lock(&mutex);
-for (size_t i = 0; i < netRouters.size(); ++i)
- {
- if ((ip & netRouters[i].subnetMask) == (netRouters[i].subnetIP & netRouters[i].subnetMask))
- {
- return netRouters[i].routers;
- }
- }
-return std::vector<uint32_t>();
+std::lock_guard lock(m_mutex);
+for (auto& nr : netRouters)
+ if ((ip & nr.subnetMask) == (nr.subnetIP & nr.subnetMask))
+ return nr.routers;
+return {};
}
//-----------------------------------------------------------------------------
-void REMOTE_SCRIPT::SetUserNotifiers(USER_PTR u)
+void REMOTE_SCRIPT::SetUserNotifiers(UserPtr u)
{
-ipNotifierList.push_front(RS::IP_NOTIFIER(*this, u));
-connNotifierList.push_front(RS::CONNECTED_NOTIFIER(*this, u));
+ m_conns.emplace_back(
+ u->GetID(),
+ u->afterCurrIPChange([this, u](auto, auto newVal){ addDelUser(u, newVal != 0); }),
+ u->afterConnectedChange([this, u](auto, auto newVal){ addDelUser(u, newVal); })
+ );
}
//-----------------------------------------------------------------------------
-void REMOTE_SCRIPT::UnSetUserNotifiers(USER_PTR u)
+void REMOTE_SCRIPT::UnSetUserNotifiers(UserPtr u)
{
-ipNotifierList.erase(std::remove_if(ipNotifierList.begin(),
- ipNotifierList.end(),
- USER_IS<IP_NOTIFIER>(u)),
- ipNotifierList.end());
-connNotifierList.erase(std::remove_if(connNotifierList.begin(),
- connNotifierList.end(),
- USER_IS<CONNECTED_NOTIFIER>(u)),
- connNotifierList.end());
+ m_conns.erase(std::remove_if(m_conns.begin(), m_conns.end(),
+ [u](const auto& c){ return std::get<0>(c) == u->GetID(); }),
+ m_conns.end());
}
//-----------------------------------------------------------------------------
-void REMOTE_SCRIPT::AddRSU(USER_PTR user)
+void REMOTE_SCRIPT::AddRSU(UserPtr user)
{
RS::USER rsu(IP2Routers(user->GetCurrIP()), user);
Send(rsu);
-STG_LOCKER lock(&mutex);
+std::lock_guard lock(m_mutex);
authorizedUsers.insert(std::make_pair(user->GetCurrIP(), rsu));
}
//-----------------------------------------------------------------------------
-void REMOTE_SCRIPT::DelRSU(USER_PTR user)
+void REMOTE_SCRIPT::DelRSU(UserPtr user)
{
-STG_LOCKER lock(&mutex);
-std::map<uint32_t, RS::USER>::iterator it(authorizedUsers.begin());
+std::lock_guard lock(m_mutex);
+auto it = authorizedUsers.begin();
while (it != authorizedUsers.end())
{
if (it->second.user == user)
}
++it;
}
-/*const std::map<uint32_t, RS::USER>::iterator it(
- authorizedUsers.find(user->GetCurrIP())
- );
+/*const auto it = authorizedUsers.find(user->GetCurrIP());
if (it != authorizedUsers.end())
{
Send(it->second, true);
}*/
}
//-----------------------------------------------------------------------------
-void RS::IP_NOTIFIER::Notify(const uint32_t & /*oldValue*/, const uint32_t & newValue)
-{
-if (newValue)
- rs.AddRSU(user);
-else
- rs.DelRSU(user);
-}
-//-----------------------------------------------------------------------------
-void RS::CONNECTED_NOTIFIER::Notify(const bool & /*oldValue*/, const bool & newValue)
+void REMOTE_SCRIPT::addDelUser(UserPtr user, bool toAdd)
{
-if (newValue)
- rs.AddRSU(user);
-else
- rs.DelRSU(user);
+ if (toAdd)
+ AddRSU(user);
+ else
+ DelRSU(user);
}
//-----------------------------------------------------------------------------
-void REMOTE_SCRIPT::InitEncrypt(BLOWFISH_CTX * ctx, const std::string & password) const
+void REMOTE_SCRIPT::InitEncrypt(const std::string & password) const
{
unsigned char keyL[PASSWD_LEN]; // Пароль для шифровки
memset(keyL, 0, PASSWD_LEN);
-strncpy((char *)keyL, password.c_str(), PASSWD_LEN);
-Blowfish_Init(ctx, keyL, PASSWD_LEN);
+strncpy(reinterpret_cast<char*>(keyL), password.c_str(), PASSWD_LEN);
+Blowfish_Init(&ctx, keyL, PASSWD_LEN);
}
//-----------------------------------------------------------------------------
-void REMOTE_SCRIPT::Encrypt(BLOWFISH_CTX * ctx, void * dst, const void * src, size_t len8) const
+void REMOTE_SCRIPT::Encrypt(void * dst, const void * src, size_t len8) const
{
if (dst != src)
memcpy(dst, src, len8 * 8);
for (size_t i = 0; i < len8; ++i)
- Blowfish_Encrypt(ctx, static_cast<uint32_t *>(dst) + i * 2, static_cast<uint32_t *>(dst) + i * 2 + 1);
+ Blowfish_Encrypt(&ctx, static_cast<uint32_t *>(dst) + i * 2, static_cast<uint32_t *>(dst) + i * 2 + 1);
}
//-----------------------------------------------------------------------------
git.stg.codes / stg.git / blobdiff