X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/afcbfd1a09e22ff4839ba5db42047c96f355506c..5dfab5bea026e33031d041b233c73e196469b4ac:/projects/stargazer/plugins/other/rscript/rscript.cpp?ds=inline

diff --git a/projects/stargazer/plugins/other/rscript/rscript.cpp b/projects/stargazer/plugins/other/rscript/rscript.cpp
index 1e842d25..e675d488 100644
--- a/projects/stargazer/plugins/other/rscript/rscript.cpp
+++ b/projects/stargazer/plugins/other/rscript/rscript.cpp
@@ -22,13 +22,11 @@
 #include "rscript.h"
 
 #include "ur_functor.h"
-#include "send_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 <algorithm>
@@ -42,6 +40,9 @@
 #include <sys/time.h>
 #include <netinet/ip.h>
 
+#define RS_DEBUG (1)
+#define MAX_SHORT_PCKT  (3)
+
 extern volatile time_t stgTime;
 
 using RS::REMOTE_SCRIPT;
@@ -51,26 +52,18 @@ namespace {
 template<typename T>
 struct USER_IS
 {
-    explicit USER_IS(USER_PTR u) : user(u) {}
+    explicit USER_IS(RS::UserPtr u) : user(u) {}
     bool operator()(const T & notifier) { return notifier.GetUser() == user; }
 
-    USER_PTR user;
+    RS::UserPtr user;
 };
 
-PLUGIN_CREATOR<REMOTE_SCRIPT> rsc;
-
 } // namespace anonymous
 
-extern "C" PLUGIN * GetPlugin();
-//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-PLUGIN * GetPlugin()
+extern "C" STG::Plugin* GetPlugin()
 {
-return rsc.GetPlugin();
+    static REMOTE_SCRIPT plugin;
+    return &plugin;
 }
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
@@ -81,22 +74,21 @@ RS::SETTINGS::SETTINGS()
 {
 }
 //-----------------------------------------------------------------------------
-int RS::SETTINGS::ParseSettings(const MODULE_SETTINGS & s)
+int RS::SETTINGS::ParseSettings(const STG::ModuleSettings & s)
 {
 int p;
-PARAM_VALUE pv;
-std::vector<PARAM_VALUE>::const_iterator pvi;
+STG::ParamValue pv;
 netRouters.clear();
 ///////////////////////////
 pv.param = "Port";
-pvi = find(s.moduleParams.begin(), s.moduleParams.end(), pv);
+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");
@@ -113,7 +105,7 @@ if (pvi == s.moduleParams.end() || pvi->value.empty())
     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");
@@ -153,13 +145,9 @@ subnetFile = pvi->value[0];
 NRMapParser nrMapParser;
 
 if (!nrMapParser.ReadFile(subnetFile))
-    {
     netRouters = nrMapParser.GetMap();
-    }
 else
-    {
-    GetStgLogger()("mod_rscript: error opening subnets file '%s'", subnetFile.c_str());
-    }
+    STG::PluginLogger::get("rscript")("mod_rscript: error opening subnets file '%s'", subnetFile.c_str());
 
 return 0;
 }
@@ -167,58 +155,38 @@ 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"))
-{
-pthread_mutex_init(&mutex, NULL);
-}
-//-----------------------------------------------------------------------------
-REMOTE_SCRIPT::~REMOTE_SCRIPT()
+      logger(STG::PluginLogger::get("rscript"))
 {
-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);
+pthread_sigmask(SIG_BLOCK, &signalSet, nullptr);
 
-REMOTE_SCRIPT * rs = static_cast<REMOTE_SCRIPT *>(d);
+isRunning = true;
 
-rs->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();
@@ -231,33 +199,19 @@ int REMOTE_SCRIPT::Start()
 {
 netRouters = rsSettings.GetSubnetsMap();
 
-InitEncrypt(&ctx, rsSettings.GetPassword());
+InitEncrypt(rsSettings.GetPassword());
 
 users->AddNotifierUserAdd(&onAddUserNotifier);
 users->AddNotifierUserDel(&onDelUserNotifier);
 
-nonstop = true;
-
 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;
@@ -268,7 +222,7 @@ int REMOTE_SCRIPT::Stop()
 if (!IsRunning())
     return 0;
 
-nonstop = false;
+m_thread.request_stop();
 
 std::for_each(
         authorizedUsers.begin(),
@@ -284,7 +238,7 @@ if (isRunning)
     for (int i = 0; i < 25 && isRunning; i++)
         {
         struct timespec ts = {0, 200000000};
-        nanosleep(&ts, NULL);
+        nanosleep(&ts, nullptr);
         }
     }
 
@@ -294,13 +248,15 @@ users->DelNotifierUserAdd(&onAddUserNotifier);
 if (isRunning)
     {
     logger("Cannot stop thread.");
-    return -1;
+    m_thread.detach();
     }
+else
+    m_thread.join();
 
 return 0;
 }
 //-----------------------------------------------------------------------------
-int REMOTE_SCRIPT::Reload(const MODULE_SETTINGS & /*ms*/)
+int REMOTE_SCRIPT::Reload(const STG::ModuleSettings & /*ms*/)
 {
 NRMapParser nrMapParser;
 
@@ -312,7 +268,7 @@ if (nrMapParser.ReadFile(rsSettings.GetMapFileName()))
     }
 
     {
-    STG_LOCKER lock(&mutex);
+    std::lock_guard lock(m_mutex);
 
     printfd(__FILE__, "REMOTE_SCRIPT::Reload()\n");
 
@@ -352,9 +308,9 @@ return false;
 //-----------------------------------------------------------------------------
 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)
@@ -374,7 +330,7 @@ bool REMOTE_SCRIPT::PreparePacket(char * buf, size_t bufSize, RS::USER & rsu, bo
 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)
@@ -408,7 +364,7 @@ rsu.lastSentTime = stgTime;
 
 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));
@@ -421,27 +377,24 @@ if (packetHead.packetType == RS_ALIVE_PACKET)
 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;
 }
@@ -458,11 +411,16 @@ if (PreparePacket(buffer, sizeof(buffer), rsu, forceDisconnect))
     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;
 }
@@ -480,10 +438,10 @@ if (PreparePacket(buffer, sizeof(buffer), rsu, forceDisconnect))
 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));
@@ -493,15 +451,13 @@ return (res != sizeof(buffer));
 //-----------------------------------------------------------------------------
 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;
@@ -509,24 +465,20 @@ 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));
 }
 //-----------------------------------------------------------------------------
-void REMOTE_SCRIPT::UnSetUserNotifiers(USER_PTR u)
+void REMOTE_SCRIPT::UnSetUserNotifiers(UserPtr u)
 {
 ipNotifierList.erase(std::remove_if(ipNotifierList.begin(),
                                     ipNotifierList.end(),
@@ -539,19 +491,19 @@ connNotifierList.erase(std::remove_if(connNotifierList.begin(),
 
 }
 //-----------------------------------------------------------------------------
-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)
@@ -562,9 +514,7 @@ while (it != authorizedUsers.end())
         }
     ++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);
@@ -574,7 +524,7 @@ if (it != authorizedUsers.end())
 //-----------------------------------------------------------------------------
 void RS::IP_NOTIFIER::Notify(const uint32_t & /*oldValue*/, const uint32_t & newValue)
 {
-if (newValue)
+if (newValue != 0)
     rs.AddRSU(user);
 else
     rs.DelRSU(user);
@@ -588,19 +538,19 @@ else
     rs.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);
 }
 //-----------------------------------------------------------------------------