X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/90e389f6ec12e60a62c362296ffcf314feb5b03d..b9eabad70160eafdef8e691bbde0a711a95b1c20:/projects/stargazer/plugins/other/rscript/rscript.cpp

diff --git a/projects/stargazer/plugins/other/rscript/rscript.cpp b/projects/stargazer/plugins/other/rscript/rscript.cpp
index 12c00a40..f7f892e5 100644
--- a/projects/stargazer/plugins/other/rscript/rscript.cpp
+++ b/projects/stargazer/plugins/other/rscript/rscript.cpp
@@ -19,21 +19,21 @@
  *    Author : Maxim Mamontov <faust@stargazer.dp.ua>
  */
 
-/*
- $Revision: 1.33 $
- $Date: 2010/04/16 12:30:37 $
- $Author: faust $
-*/
-
 #include <sys/time.h>
 
 #include <csignal>
 #include <cassert>
+#include <cstdlib>
+#include <cerrno>
+#include <cstring>
 #include <algorithm>
 
 #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"
@@ -42,33 +42,25 @@ extern volatile const time_t stgTime;
 
 #define RS_MAX_ROUTERS  (100)
 
-//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-class RS_CREATOR
-{
-private:
-    REMOTE_SCRIPT * rs;
+using RS::REMOTE_SCRIPT;
 
-public:
-    RS_CREATOR()
-        : rs(new REMOTE_SCRIPT())
-        {
-        };
-    ~RS_CREATOR()
-        {
-        delete rs;
-        };
+namespace {
 
-    REMOTE_SCRIPT * GetPlugin()
-        {
-        return rs;
-        };
+template<typename T>
+struct USER_IS
+{
+    USER_IS(USER_PTR u) : user(u) {}
+    bool operator()(const T & notifier) { return notifier.GetUser() == user; }
+
+    USER_PTR user;
 };
+
+} // namespace anonymous
+
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
-RS_CREATOR rsc;
+PLUGIN_CREATOR<REMOTE_SCRIPT> rsc;
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
@@ -79,43 +71,18 @@ return rsc.GetPlugin();
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
-RS_USER::RS_USER()
-    : lastSentTime(0),
-      user(NULL),
-      shortPacketsCount(0)
-{
-}
-//-----------------------------------------------------------------------------
-RS_USER::RS_USER(const std::vector<uint32_t> & r, USER_PTR it)
-    : lastSentTime(0),
-      user(it),
-      routers(r),
-      shortPacketsCount(0)
-{
-}
-//-----------------------------------------------------------------------------
-RS_SETTINGS::RS_SETTINGS()
+RS::SETTINGS::SETTINGS()
     : sendPeriod(0),
-      port(0)
-{
-}
-//-----------------------------------------------------------------------------
-int RS_SETTINGS::ParseIntInRange(const string & str, int min, int max, int * val)
+      port(0),
+      errorStr(),
+      netRouters(),
+      userParams(),
+      password(),
+      subnetFile()
 {
-if (str2x(str.c_str(), *val))
-    {
-    errorStr = "Incorrect value \'" + str + "\'.";
-    return -1;
-    }
-if (*val < min || *val > max)
-    {
-    errorStr = "Value \'" + str + "\' out of range.";
-    return -1;
-    }
-return 0;
 }
 //-----------------------------------------------------------------------------
-int RS_SETTINGS::ParseSettings(const MODULE_SETTINGS & s)
+int RS::SETTINGS::ParseSettings(const MODULE_SETTINGS & s)
 {
 int p;
 PARAM_VALUE pv;
@@ -186,19 +153,13 @@ subnetFile = pvi->value[0];
 
 NRMapParser nrMapParser;
 
-if (nrMapParser.ReadFile(subnetFile))
+if (!nrMapParser.ReadFile(subnetFile))
     {
-    errorStr = nrMapParser.GetErrorStr();
-    return -1;
+    netRouters = nrMapParser.GetMap();
     }
-
-netRouters = nrMapParser.GetMap();
-
-if (netRouters.empty())
+else
     {
-    errorStr = "Parameter(s) \'Subnet*\' not found.";
-    printfd(__FILE__, "Parameter(s) 'Subnet*' not found\n");
-    return -1;
+    GetStgLogger()("mod_rscript: error opening subnets file '%s'", subnetFile.c_str());
     }
 
 return 0;
@@ -207,14 +168,25 @@ return 0;
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 REMOTE_SCRIPT::REMOTE_SCRIPT()
-    : sendPeriod(15),
+    : ctx(),
+      ipNotifierList(),
+      connNotifierList(),
+      authorizedUsers(),
+      errorStr(),
+      rsSettings(),
+      settings(),
+      sendPeriod(15),
       halfPeriod(8),
       nonstop(false),
       isRunning(false),
       users(NULL),
+      netRouters(),
+      thread(),
+      mutex(),
       sock(0),
       onAddUserNotifier(*this),
-      onDelUserNotifier(*this)
+      onDelUserNotifier(*this),
+      logger(GetPluginLogger(GetStgLogger(), "rscript"))
 {
 pthread_mutex_init(&mutex, NULL);
 }
@@ -226,6 +198,10 @@ pthread_mutex_destroy(&mutex);
 //-----------------------------------------------------------------------------
 void * REMOTE_SCRIPT::Run(void * d)
 {
+sigset_t signalSet;
+sigfillset(&signalSet);
+pthread_sigmask(SIG_BLOCK, &signalSet, NULL);
+
 REMOTE_SCRIPT * rs = static_cast<REMOTE_SCRIPT *>(d);
 
 rs->isRunning = true;
@@ -258,9 +234,6 @@ netRouters = rsSettings.GetSubnetsMap();
 
 InitEncrypt(&ctx, rsSettings.GetPassword());
 
-//onAddUserNotifier.SetRemoteScript(this);
-//onDelUserNotifier.SetRemoteScript(this);
-
 users->AddNotifierUserAdd(&onAddUserNotifier);
 users->AddNotifierUserDel(&onDelUserNotifier);
 
@@ -281,6 +254,7 @@ 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;
         }
@@ -310,25 +284,20 @@ if (isRunning)
     //5 seconds to thread stops itself
     for (int i = 0; i < 25 && isRunning; i++)
         {
-        usleep(200000);
-        }
-
-    //after 5 seconds waiting thread still running. now killing it
-    if (isRunning)
-        {
-        if (pthread_kill(thread, SIGINT))
-            {
-            errorStr = "Cannot kill thread.";
-            printfd(__FILE__, "Cannot kill thread\n");
-            return -1;
-            }
-        printfd(__FILE__, "REMOTE_SCRIPT killed Run\n");
+        struct timespec ts = {0, 200000000};
+        nanosleep(&ts, NULL);
         }
     }
 
 users->DelNotifierUserDel(&onDelUserNotifier);
 users->DelNotifierUserAdd(&onAddUserNotifier);
 
+if (isRunning)
+    {
+    logger("Cannot stop thread.");
+    return -1;
+    }
+
 return 0;
 }
 //-----------------------------------------------------------------------------
@@ -339,6 +308,7 @@ NRMapParser nrMapParser;
 if (nrMapParser.ReadFile(rsSettings.GetMapFileName()))
     {
     errorStr = nrMapParser.GetErrorStr();
+    logger("Map file reading error: %s", errorStr.c_str());
     return -1;
     }
 
@@ -364,6 +334,7 @@ sock = socket(AF_INET, SOCK_DGRAM, 0);
 if (sock < 0)
     {
     errorStr = "Cannot create socket.";
+    logger("Canot create a socket: %s", strerror(errno));
     printfd(__FILE__, "Cannot create socket\n");
     return true;
     }
@@ -381,21 +352,24 @@ void REMOTE_SCRIPT::PeriodicSend()
 {
 STG_LOCKER lock(&mutex, __FILE__, __LINE__);
 
-map<uint32_t, RS_USER>::iterator it(authorizedUsers.begin());
+map<uint32_t, RS::USER>::iterator it(authorizedUsers.begin());
 while (it != authorizedUsers.end())
     {
     if (difftime(stgTime, it->second.lastSentTime) - (rand() % halfPeriod) > sendPeriod)
-    //if (stgTime - it->second.lastSentTime > sendPeriod)
         {
-        Send(it->first, it->second);
+        Send(it->second);
         }
     ++it;
     }
 }
 //-----------------------------------------------------------------------------
-bool REMOTE_SCRIPT::PreparePacket(char * buf, size_t bufSize, uint32_t ip, RS_USER & rsu, bool forceDisconnect) const
+#ifdef NDEBUG
+bool REMOTE_SCRIPT::PreparePacket(char * buf, size_t, RS::USER & rsu, bool forceDisconnect) const
+#else
+bool REMOTE_SCRIPT::PreparePacket(char * buf, size_t bufSize, RS::USER & rsu, bool forceDisconnect) const
+#endif
 {
-RS_PACKET_HEADER packetHead;
+RS::PACKET_HEADER packetHead;
 
 memset(packetHead.padding, 0, sizeof(packetHead.padding));
 strcpy((char*)packetHead.magic, RS_ID);
@@ -404,6 +378,7 @@ packetHead.protoVer[1] = '2';
 if (forceDisconnect)
     {
     packetHead.packetType = RS_DISCONNECT_PACKET;
+    printfd(__FILE__, "RSCRIPT: force disconnect for '%s'\n", rsu.user->GetLogin().c_str());
     }
 else
     {
@@ -411,17 +386,25 @@ else
         {
         //SendLong
         packetHead.packetType = rsu.user->IsInetable() ? RS_CONNECT_PACKET : RS_DISCONNECT_PACKET;
+        if (rsu.user->IsInetable())
+            printfd(__FILE__, "RSCRIPT: connect for '%s'\n", rsu.user->GetLogin().c_str());
+        else
+            printfd(__FILE__, "RSCRIPT: disconnect for '%s'\n", rsu.user->GetLogin().c_str());
         }
     else
         {
         //SendShort
         packetHead.packetType = rsu.user->IsInetable() ? RS_ALIVE_PACKET : RS_DISCONNECT_PACKET;
+        if (rsu.user->IsInetable())
+            printfd(__FILE__, "RSCRIPT: alive for '%s'\n", rsu.user->GetLogin().c_str());
+        else
+            printfd(__FILE__, "RSCRIPT: disconnect for '%s'\n", rsu.user->GetLogin().c_str());
         }
     }
 rsu.shortPacketsCount++;
 rsu.lastSentTime = stgTime;
 
-packetHead.ip = htonl(ip);
+packetHead.ip = htonl(rsu.ip);
 packetHead.id = htonl(rsu.user->GetID());
 strncpy((char*)packetHead.login, rsu.user->GetLogin().c_str(), RS_LOGIN_LEN);
 packetHead.login[RS_LOGIN_LEN - 1] = 0;
@@ -433,7 +416,7 @@ if (packetHead.packetType == RS_ALIVE_PACKET)
     return false;
     }
 
-RS_PACKET_TAIL packetTail;
+RS::PACKET_TAIL packetTail;
 
 memset(packetTail.padding, 0, sizeof(packetTail.padding));
 strcpy((char*)packetTail.magic, RS_ID);
@@ -458,13 +441,13 @@ Encrypt(&ctx, buf + sizeof(packetHead), (char *)&packetTail, sizeof(packetTail)
 return false;
 }
 //-----------------------------------------------------------------------------
-bool REMOTE_SCRIPT::Send(uint32_t ip, RS_USER & rsu, bool forceDisconnect) const
+bool REMOTE_SCRIPT::Send(RS::USER & rsu, bool forceDisconnect) const
 {
 char buffer[RS_MAX_PACKET_LEN];
 
 memset(buffer, 0, sizeof(buffer));
 
-if (PreparePacket(buffer, sizeof(buffer), ip, rsu, forceDisconnect))
+if (PreparePacket(buffer, sizeof(buffer), rsu, forceDisconnect))
     {
     printfd(__FILE__, "REMOTE_SCRIPT::Send() - Invalid packet length!\n");
     return true;
@@ -479,11 +462,11 @@ std::for_each(
 return false;
 }
 //-----------------------------------------------------------------------------
-bool REMOTE_SCRIPT::SendDirect(uint32_t ip, RS_USER & rsu, uint32_t routerIP, bool forceDisconnect) const
+bool REMOTE_SCRIPT::SendDirect(RS::USER & rsu, uint32_t routerIP, bool forceDisconnect) const
 {
 char buffer[RS_MAX_PACKET_LEN];
 
-if (PreparePacket(buffer, sizeof(buffer), ip, rsu, forceDisconnect))
+if (PreparePacket(buffer, sizeof(buffer), rsu, forceDisconnect))
     {
     printfd(__FILE__, "REMOTE_SCRIPT::SendDirect() - Invalid packet length!\n");
     return true;
@@ -497,6 +480,9 @@ sendAddr.sin_addr.s_addr = routerIP;
 
 int res = sendto(sock, buffer, sizeof(buffer), 0, (struct sockaddr *)&sendAddr, sizeof(sendAddr));
 
+if (res < 0)
+    logger("sendto error: %s", strerror(errno));
+
 return (res != sizeof(buffer));
 }
 //-----------------------------------------------------------------------------
@@ -505,51 +491,17 @@ bool REMOTE_SCRIPT::GetUsers()
 USER_PTR u;
 
 int h = users->OpenSearch();
-if (!h)
-    {
-    errorStr = "users->OpenSearch() error.";
-    printfd(__FILE__, "OpenSearch() error\n");
-    return true;
-    }
+assert(h && "USERS::OpenSearch is always correct");
 
 while (!users->SearchNext(h, &u))
     {
-    SetUserNotifier(u);
+    SetUserNotifiers(u);
     }
 
 users->CloseSearch(h);
 return false;
 }
 //-----------------------------------------------------------------------------
-void REMOTE_SCRIPT::ChangedIP(USER_PTR u, uint32_t oldIP, uint32_t newIP)
-{
-/*
- * When ip changes process looks like:
- * old => 0, 0 => new
- *
- */
-if (newIP)
-    {
-    RS_USER rsu(IP2Routers(newIP), u);
-    Send(newIP, rsu);
-
-    STG_LOCKER lock(&mutex, __FILE__, __LINE__);
-    authorizedUsers[newIP] = rsu;
-    }
-else
-    {
-    STG_LOCKER lock(&mutex, __FILE__, __LINE__);
-    const map<uint32_t, RS_USER>::iterator it(
-            authorizedUsers.find(oldIP)
-            );
-    if (it != authorizedUsers.end())
-        {
-        Send(oldIP, it->second, true);
-        authorizedUsers.erase(it);
-        }
-    }
-}
-//-----------------------------------------------------------------------------
 std::vector<uint32_t> REMOTE_SCRIPT::IP2Routers(uint32_t ip)
 {
 STG_LOCKER lock(&mutex, __FILE__, __LINE__);
@@ -643,41 +595,61 @@ else
 return value;
 }
 //-----------------------------------------------------------------------------
-void REMOTE_SCRIPT::SetUserNotifier(USER_PTR u)
+void REMOTE_SCRIPT::SetUserNotifiers(USER_PTR u)
 {
-RS_CHG_AFTER_NOTIFIER<uint32_t> afterChgIPNotifier(*this, u);
-
-afterChgIPNotifierList.push_front(afterChgIPNotifier);
-
-u->AddCurrIPAfterNotifier(&(*afterChgIPNotifierList.begin()));
+ipNotifierList.push_front(RS::IP_NOTIFIER(*this, u));
+connNotifierList.push_front(RS::CONNECTED_NOTIFIER(*this, u));
 }
 //-----------------------------------------------------------------------------
-void REMOTE_SCRIPT::UnSetUserNotifier(USER_PTR u)
+void REMOTE_SCRIPT::UnSetUserNotifiers(USER_PTR u)
 {
-list<RS_CHG_AFTER_NOTIFIER<uint32_t> >::iterator  ipAIter;
-std::list<list<RS_CHG_AFTER_NOTIFIER<uint32_t> >::iterator> toErase;
+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());
 
-for (ipAIter = afterChgIPNotifierList.begin(); ipAIter != afterChgIPNotifierList.end(); ++ipAIter)
-    {
-    if (ipAIter->GetUser() == u)
-        {
-        u->DelCurrIPAfterNotifier(&(*ipAIter));
-        toErase.push_back(ipAIter);
-        }
-    }
-
-std::list<list<RS_CHG_AFTER_NOTIFIER<uint32_t> >::iterator>::iterator eIter;
+}
+//-----------------------------------------------------------------------------
+void REMOTE_SCRIPT::AddRSU(USER_PTR user)
+{
+RS::USER rsu(IP2Routers(user->GetCurrIP()), user);
+Send(rsu);
 
-for (eIter = toErase.begin(); eIter != toErase.end(); ++eIter)
+STG_LOCKER lock(&mutex, __FILE__, __LINE__);
+authorizedUsers.insert(std::make_pair(user->GetCurrIP(), rsu));
+}
+//-----------------------------------------------------------------------------
+void REMOTE_SCRIPT::DelRSU(USER_PTR user)
+{
+STG_LOCKER lock(&mutex, __FILE__, __LINE__);
+const map<uint32_t, RS::USER>::iterator it(
+        authorizedUsers.find(user->GetCurrIP())
+        );
+if (it != authorizedUsers.end())
     {
-    afterChgIPNotifierList.erase(*eIter);
+    Send(it->second, true);
+    authorizedUsers.erase(it);
     }
 }
 //-----------------------------------------------------------------------------
-template <typename varParamType>
-void RS_CHG_AFTER_NOTIFIER<varParamType>::Notify(const varParamType & oldValue, const varParamType & newValue)
+void RS::IP_NOTIFIER::Notify(const uint32_t & /*oldValue*/, const uint32_t & newValue)
 {
-rs.ChangedIP(user, oldValue, newValue);
+if (newValue)
+    rs.AddRSU(user);
+else
+    rs.DelRSU(user);
+}
+//-----------------------------------------------------------------------------
+void RS::CONNECTED_NOTIFIER::Notify(const bool & /*oldValue*/, const bool & newValue)
+{
+if (newValue)
+    rs.AddRSU(user);
+else
+    rs.DelRSU(user);
 }
 //-----------------------------------------------------------------------------
 void REMOTE_SCRIPT::InitEncrypt(BLOWFISH_CTX * ctx, const string & password) const