]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/inspircd.cpp
+ Added an *almost* unix-like fork system for windows. Insp will create a secondary...
[user/henk/code/inspircd.git] / src / inspircd.cpp
index 7066385ef82fb83682cc5d6ad15afd5c80793539..779061e833e005907eaa118658ae4dcbbc342aa7 100644 (file)
 #include "configreader.h"
 #include <signal.h>
 #ifndef WIN32
+
 #include <dirent.h>
 #include <unistd.h>
+#include <sys/resource.h>
+
+/* This is just to be completely certain that the change which fixed getrusage on RH7 doesn't break anything else -- Om */  
+#ifndef RUSAGE_SELF
+#define RUSAGE_SELF 0
+#endif
+
 #endif
 #include <exception>
 #include <fstream>
 #include <dlfcn.h>
 #include <getopt.h>
 #else
-#include <conio.h>
-bool g_starting = true;
+static DWORD owner_processid = 0;
+
+bool WindowsForkStart(InspIRCd * Instance)
+{
+       /* Windows implementation of fork() :P */
+       // Build the command line arguments.
+       string command_line;
+       for(int i = 0; i < Instance->Config->argc; ++i)
+               command_line += Instance->Config->argv[i];
+
+       char module[MAX_PATH];
+       if(!GetModuleFileName(NULL, module, MAX_PATH))
+               return false;
+
+       STARTUPINFO startupinfo;
+       PROCESS_INFORMATION procinfo;
+       ZeroMemory(&startupinfo, sizeof(STARTUPINFO));
+       ZeroMemory(&procinfo, sizeof(PROCESS_INFORMATION));
+
+       // Fill in the startup info struct
+       GetStartupInfo(&startupinfo);
+
+       // Create the "startup" event
+       HANDLE fork_event = CreateEvent(0, TRUE, FALSE, "InspStartup");
+       if(!fork_event)
+       {
+               printf("CreateEvent: %s\n", dlerror());
+               return false;
+       }
+
+       // Launch our "forked" process.
+       BOOL bSuccess = CreateProcess ( module, module, 
+               0,                                                                      // PROCESS_SECURITY_ATTRIBUTES
+               0,                                                                      // THREAD_SECURITY_ATTRIBUTES
+               TRUE,                                                           // We went to inherit handles.
+               CREATE_SUSPENDED |                                      // Suspend the primary thread of the new process
+               CREATE_PRESERVE_CODE_AUTHZ_LEVEL,       // Allow us full access to the process
+               0,                                                                      // ENVIRONMENT
+               0,                                                                      // CURRENT_DIRECTORY
+               &startupinfo,                                           // startup info
+               &procinfo);                                                     // process info
+
+       if(!bSuccess)
+               return false;
+
+       // Set the owner process id in the target process.
+       SIZE_T written = 0;
+       DWORD pid = GetCurrentProcessId();
+       if(!WriteProcessMemory(procinfo.hProcess, &owner_processid, &pid, sizeof(DWORD), &written) || written != sizeof(DWORD))
+               return false;
+
+       // Resume the other thread (let it start)
+       ResumeThread(procinfo.hThread);
+
+       // Wait for the new process to kill us. If there is some error, the new process will end and we will end up at the next line.
+       WaitForSingleObject(procinfo.hProcess, INFINITE);
+
+       // If we hit this it means startup failed. :(
+       return true;
+}
+
+void WindowsForkKillOwner(InspIRCd * Instance)
+{
+       HANDLE hProcess = OpenProcess(PROCESS_TERMINATE, FALSE, owner_processid);
+       if(!hProcess || !owner_processid)
+               exit(1);
+
+       // die die die
+       if(!TerminateProcess(hProcess, 0))
+               exit(1);
+
+       CloseHandle(hProcess);
+}
+
 #endif
 
 using irc::sockets::NonBlocking;
@@ -193,7 +273,7 @@ void InspIRCd::Start()
 {
        printf_c("\033[1;32mInspire Internet Relay Chat Server, compiled %s at %s\n",__DATE__,__TIME__);
        printf_c("(C) InspIRCd Development Team.\033[0m\n\n");
-       printf_c("Developers:\t\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om, Special, pippijn, peavey\033[0m\n");
+       printf_c("Developers:\t\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om, Special, pippijn, peavey, Burlex\033[0m\n");
        printf_c("Others:\t\t\t\033[1;32mSee /INFO Output\033[0m\n");
 }
 
@@ -344,13 +424,8 @@ std::string InspIRCd::GetRevision()
 }
 
 InspIRCd::InspIRCd(int argc, char** argv)
-       : ModCount(-1), duration_m(60), duration_h(60*60), duration_d(60*60*24), duration_w(60*60*24*7), duration_y(60*60*24*365), GlobalCulls(this)
+       : ModCount(-1), GlobalCulls(this)
 {
-#ifdef WINDOWS
-       WSADATA wsadata;
-       WSAStartup(MAKEWORD(2,0), &wsadata);
-#endif
-
        int found_ports = 0;
        FailedPortList pl;
        int do_version = 0, do_nofork = 0, do_debug = 0, do_nolog = 0, do_root = 0;    /* flag variables */
@@ -386,12 +461,12 @@ InspIRCd::InspIRCd(int argc, char** argv)
 
        struct option longopts[] =
        {
-               { "nofork",     no_argument,            &do_nofork,     1       },
-               { "logfile",    required_argument,      NULL,           'f'     },
-               { "config",     required_argument,      NULL,           'c'     },
-               { "debug",      no_argument,            &do_debug,      1       },
-               { "nolog",      no_argument,            &do_nolog,      1       },
-               { "runasroot",  no_argument,            &do_root,       1       },
+               { "nofork",             no_argument,            &do_nofork,             1       },
+               { "logfile",    required_argument,      NULL,                   'f'     },
+               { "config",             required_argument,      NULL,                   'c'     },
+               { "debug",              no_argument,            &do_debug,              1       },
+               { "nolog",              no_argument,            &do_nolog,              1       },
+               { "runasroot",  no_argument,            &do_root,               1       },
                { "version",    no_argument,            &do_version,    1       },
                { 0, 0, 0, 0 }
        };
@@ -427,6 +502,20 @@ InspIRCd::InspIRCd(int argc, char** argv)
                Exit(EXIT_STATUS_NOERROR);
        }
 
+#ifdef WIN32
+
+       // Handle forking
+       if(!do_nofork && !owner_processid)
+       {
+               if(WindowsForkStart(this))
+                       Exit(0);
+       }
+
+       // Set up winsock
+       WSADATA wsadata;
+       WSAStartup(MAKEWORD(2,0), &wsadata);
+
+#endif
        if (!ServerConfig::FileExists(this->ConfigFileName))
        {
                printf("ERROR: Cannot open config file: %s\nExiting...\n", this->ConfigFileName);
@@ -550,22 +639,18 @@ InspIRCd::InspIRCd(int argc, char** argv)
                        Log(DEFAULT,"Keeping pseudo-tty open as we are running in the foreground.");
                }
        }
+#else
+       InitIPC();
+       if(!Config->nofork)
+       {
+               WindowsForkKillOwner(this);
+               FreeConsole();
+       }
 #endif
        printf("\nInspIRCd is now running!\n");
        Log(DEFAULT,"Startup complete.");
 
        this->WritePID(Config->PID);
-
-#ifdef WINDOWS
-       InitIPC();
-       
-       g_starting = false;
-
-       // remove the console if in no-fork
-       if(!Config->nofork)
-               FreeConsole();
-
-#endif
 }
 
 std::string InspIRCd::GetVersionString()
@@ -977,7 +1062,8 @@ void InspIRCd::DoOneIteration(bool process_module_sockets)
                        Timers->TickMissedTimers(TIME);
                }
 #ifndef WIN32
-               if (!getrusage(0, &ru))
+               /* Same change as in cmd_stats.cpp, use RUSAGE_SELF rather than '0' -- Om */
+               if (!getrusage(RUSAGE_SELF, &ru))
                {
                        gettimeofday(&this->stats->LastSampled, NULL);
                        this->stats->LastCPU = ru.ru_utime;