X-Git-Url: http://g0dil.de/git?a=blobdiff_plain;f=Scheduler%2FScheduler.test.cc;h=0a135182e2abfe34b4d070d822365eab52d4c629;hb=3863d46dd898b7bc35ea8c6ccd8563b18762a6b6;hp=2521b4a27c16305019627bff0aa96909638b2178;hpb=914af680a37d303da51e3877972ca9bd68d6190b;p=senf.git

diff --git a/Scheduler/Scheduler.test.cc b/Scheduler/Scheduler.test.cc
index 2521b4a..0a13518 100644
--- a/Scheduler/Scheduler.test.cc
+++ b/Scheduler/Scheduler.test.cc
@@ -1,10 +1,9 @@
-
 // $Id$
 //
 // Copyright (C) 2006
-// Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
-// Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
-//     Stefan Bund <stefan.bund@fokus.fraunhofer.de>
+// Fraunhofer Institute for Open Communication Systems (FOKUS)
+// Competence Center NETwork research (NET), St. Augustin, GERMANY
+//     Stefan Bund <g0dil@berlios.de>
 //
 // 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
@@ -21,10 +20,11 @@
 // Free Software Foundation, Inc.,
 // 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
-// Unit tests
+/** \file
+    \brief Scheduler unit tests */
 
-//#include "scheduler.test.hh"
-//#include "scheduler.test.ih"
+//#include "Scheduler.test.hh"
+//#include "Scheduler.test.ih"
 
 // Custom includes
 #include <sys/types.h>
@@ -36,17 +36,16 @@
 #include <errno.h>
 #include <string.h>
 #include <iostream>
+#include <boost/bind.hpp>
 
 #include "Scheduler.hh"
 
-#include <boost/test/auto_unit_test.hpp>
+#include "../Utils/auto_unit_test.hh"
 #include <boost/test/test_tools.hpp>
 
 #define prefix_
 ///////////////////////////////cc.p////////////////////////////////////////
 
-using namespace senf;
-
 namespace {
 
     char const * SOCK_PATH = "/tmp/sched_test.sock";
@@ -101,6 +100,7 @@ namespace {
         unlink(SOCK_PATH);
         int pid = fork();
         if (pid == 0) {
+            signal(SIGCHLD, SIG_IGN);
             server();
             _exit(0);
         }
@@ -108,6 +108,7 @@ namespace {
             error("fork");
             return 0;
         }
+        signal(SIGCHLD, SIG_DFL);
 
         sleep(1); // Wait for the server socket to be opened
         return pid;
@@ -141,28 +142,28 @@ namespace {
     int size;
     int event;
 
-    void callback(int fd, Scheduler::EventId ev)
+    void callback(int fd, int ev)
     {
         event = ev;
-        switch (event & Scheduler::EV_ALL) {
-        case Scheduler::EV_READ:
+        switch (event & senf::scheduler::FdEvent::EV_ALL) {
+        case senf::scheduler::FdEvent::EV_READ:
             size = recv(fd,buffer,1024,0);
             break;
-        case Scheduler::EV_PRIO:
+        case senf::scheduler::FdEvent::EV_PRIO:
             size = recv(fd,buffer,1024,MSG_OOB);
-            Scheduler::instance().terminate();
             break;
-        case Scheduler::EV_WRITE:
+        case senf::scheduler::FdEvent::EV_WRITE:
             size = write(fd,buffer,size);
-            Scheduler::instance().terminate();
             break;
         }
-        Scheduler::instance().terminate();
+        senf::scheduler::terminate();
     }
 
+    bool timeoutCalled = false;
     void timeout()
     {
-        Scheduler::instance().terminate();
+        timeoutCalled = true;
+        senf::scheduler::terminate();
     }
 
     struct HandleWrapper
@@ -177,21 +178,49 @@ namespace {
         return handle.fd_;
     }
 
-    void handleCallback(HandleWrapper const & handle, Scheduler::EventId event)
+    void handleCallback(HandleWrapper const & handle, int event)
     {
         if (handle.tag_ != "TheTag")
             return;
         callback(handle.fd_,event);
     }
 
-    bool is_close(Scheduler::sched_time a, Scheduler::sched_time b)
+    bool is_close(senf::ClockService::clock_type a, senf::ClockService::clock_type b)
+    {
+        return (a<b ? b-a : a-b) < senf::ClockService::milliseconds(100);
+    }
+    
+    senf::ClockService::clock_type sigtime (0);
+
+    void sigusr(siginfo_t const &)
+    {
+        sigtime = senf::ClockService::now();
+        senf::scheduler::terminate();
+    }
+
+    void delay(unsigned long milliseconds)
+    {
+        struct timespec ts;
+        ts.tv_sec = milliseconds / 1000;
+        ts.tv_nsec = (milliseconds % 1000) * 1000000;
+        while (nanosleep(&ts,&ts) < 0 && errno == EINTR) ;
+    }
+
+    void blockingHandler()
     {
-        return (a<b ? b-a : a-b) < 10100000UL; // a little bit over 10ms
+        delay(2200);
+        senf::scheduler::terminate();
     }
 
+    unsigned eventCount (0);
+
+    void eventeventhandler()
+    {
+        ++ eventCount;
+    }
 }
 
-BOOST_AUTO_UNIT_TEST(scheduler)
+void schedulerTest()
 {
     int pid = start_server();
     BOOST_REQUIRE (pid);
@@ -213,41 +242,83 @@ BOOST_AUTO_UNIT_TEST(scheduler)
 
     ///////////////////////////////////////////////////////////////////////////
 
-    BOOST_CHECK_NO_THROW( Scheduler::instance() );
-
-    BOOST_CHECK_NO_THROW( Scheduler::instance().add(sock,&callback,Scheduler::EV_READ) );
-    event = Scheduler::EV_NONE;
-    BOOST_CHECK_NO_THROW( Scheduler::instance().process() );
-    BOOST_CHECK_EQUAL( event, Scheduler::EV_READ );
-    BOOST_REQUIRE_EQUAL( size, 4 );
-    buffer[size]=0;
-    BOOST_CHECK_EQUAL( buffer, "READ" );
-
-    BOOST_CHECK_NO_THROW( Scheduler::instance().timeout(100000000UL,&timeout) );
-    BOOST_CHECK_NO_THROW( Scheduler::instance().timeout(200000000UL,&timeout) );
-    Scheduler::sched_time t (Scheduler::instance().now());
-    BOOST_CHECK_NO_THROW( Scheduler::instance().process() );
-    BOOST_CHECK_PREDICATE( is_close, (Scheduler::instance().now()) (t+100000000UL) );
-    BOOST_CHECK_NO_THROW( Scheduler::instance().process() );
-    BOOST_CHECK_PREDICATE( is_close, (Scheduler::instance().now()) (t+200000000UL) );
-
-    HandleWrapper handle(sock,"TheTag");
-    BOOST_CHECK_NO_THROW( Scheduler::instance().add(handle,&handleCallback,Scheduler::EV_WRITE) );
-    strcpy(buffer,"WRITE");
-    size=5;
-    event = Scheduler::EV_NONE;
-    BOOST_CHECK_NO_THROW( Scheduler::instance().process() );
-    BOOST_CHECK_EQUAL( event, Scheduler::EV_WRITE );
-
-    BOOST_CHECK_NO_THROW( Scheduler::instance().remove(handle,Scheduler::EV_WRITE) );
-    event = Scheduler::EV_NONE;
-    sleep(1);
-    BOOST_CHECK_NO_THROW( Scheduler::instance().process() );
-    BOOST_CHECK_EQUAL( event, Scheduler::EventId(Scheduler::EV_READ|Scheduler::EV_HUP) );
-    BOOST_REQUIRE_EQUAL( size, 2 );
-    buffer[size]=0;
-    BOOST_CHECK_EQUAL( buffer, "OK" );
+    senf::scheduler::EventHook evev ("eventCounter", eventeventhandler, true,
+                                      senf::scheduler::EventHook::PRE);
+
+    {
+        senf::scheduler::FdEvent fde1 ("testFdEvent", boost::bind(&callback, sock, _1),
+                                      sock, senf::scheduler::FdEvent::EV_READ);
+        event = senf::scheduler::FdEvent::EV_NONE;
+        SENF_CHECK_NO_THROW( senf::scheduler::process() );
+        BOOST_CHECK_EQUAL( event, senf::scheduler::FdEvent::EV_READ );
+        BOOST_REQUIRE_EQUAL( size, 4 );
+        buffer[size]=0;
+        BOOST_CHECK_EQUAL( buffer, "READ" );
+
+        HandleWrapper handle(sock,"TheTag");
+        senf::scheduler::FdEvent fde2 ("testFdEvent", boost::bind(&handleCallback,handle,_1),
+                                      handle, senf::scheduler::FdEvent::EV_WRITE);
+        strcpy(buffer,"WRITE");
+        size=5;
+        event = senf::scheduler::FdEvent::EV_NONE;
+        SENF_CHECK_NO_THROW( senf::scheduler::process() );
+        BOOST_CHECK_EQUAL( event, senf::scheduler::FdEvent::EV_WRITE );
+
+        SENF_CHECK_NO_THROW( fde2.disable() );
+        event = senf::scheduler::FdEvent::EV_NONE;
+        sleep(1);
+        SENF_CHECK_NO_THROW( senf::scheduler::process() );
+        BOOST_CHECK_EQUAL( event, senf::scheduler::FdEvent::EV_READ|senf::scheduler::FdEvent::EV_HUP );
+        BOOST_REQUIRE_EQUAL( size, 2 );
+        buffer[size]=0;
+        BOOST_CHECK_EQUAL( buffer, "OK" );
+    }
+    
+    {
+        senf::scheduler::TimerEvent timer1 ("testTimer1", &timeout, 
+                                            senf::ClockService::now()+senf::ClockService::milliseconds(200));
+        senf::scheduler::TimerEvent timer2 ("testTimer2", &timeout,
+                                            senf::ClockService::now()+senf::ClockService::milliseconds(400));
+                                            
+        event = senf::scheduler::FdEvent::EV_NONE;
+        senf::ClockService::clock_type t (senf::ClockService::now());
+        SENF_CHECK_NO_THROW( senf::scheduler::process() );
+        BOOST_CHECK_PREDICATE( is_close, (senf::ClockService::now()-t) (senf::ClockService::milliseconds(200)) );
+        BOOST_CHECK( timeoutCalled );
+        BOOST_CHECK( ! timer1.enabled() );
+        BOOST_CHECK_EQUAL( event, senf::scheduler::FdEvent::EV_NONE );
+        BOOST_CHECK_PREDICATE( is_close, (senf::ClockService::now()) (senf::scheduler::eventTime()) );
+        timeoutCalled = false;
+        SENF_CHECK_NO_THROW( senf::scheduler::process() );
+        BOOST_CHECK_PREDICATE( is_close, (senf::ClockService::now()-t) (senf::ClockService::milliseconds(400)) );
+        BOOST_CHECK( timeoutCalled );
+        BOOST_CHECK_EQUAL( event, senf::scheduler::FdEvent::EV_NONE );
+        BOOST_CHECK( ! timer2.enabled() );
+
+        BOOST_MESSAGE( "A 'Scheduler task hanging' error is expected to be signaled here." );
+        SENF_CHECK_NO_THROW( timer1.action(&blockingHandler) );
+        SENF_CHECK_NO_THROW( timer1.timeout(senf::ClockService::now()) );
+        SENF_CHECK_NO_THROW( senf::scheduler::process() );
+        BOOST_CHECK_EQUAL( senf::scheduler::watchdogEvents(), 1u );
+    }
 
+    {
+        senf::scheduler::TimerEvent timer ("testWatchdog", &timeout,
+                                           senf::ClockService::now()+senf::ClockService::milliseconds(400));
+        senf::scheduler::SignalEvent sig (SIGUSR1, &sigusr);
+
+        senf::ClockService::clock_type t = senf::ClockService::now();
+        ::kill(::getpid(), SIGUSR1);
+        delay(200);
+        SENF_CHECK_NO_THROW( senf::scheduler::process() ); 
+        BOOST_CHECK_PREDICATE( is_close, (senf::ClockService::now()) (t+senf::ClockService::milliseconds(200)) );
+        BOOST_CHECK_PREDICATE( is_close, (sigtime) (t+senf::ClockService::milliseconds(200)) );
+        SENF_CHECK_NO_THROW( senf::scheduler::process() ); 
+    } 
+
+    BOOST_CHECK( eventCount >= 8u );
+
+ 
     ///////////////////////////////////////////////////////////////////////////
 
     close(sock);
@@ -255,6 +326,71 @@ BOOST_AUTO_UNIT_TEST(scheduler)
     BOOST_CHECK (stop_server(pid));
 }
 
+BOOST_AUTO_UNIT_TEST(testSchedulerPollTimers)
+{
+    BOOST_CHECK( ! senf::scheduler::usingHiresTimers() );
+    schedulerTest();
+}
+
+BOOST_AUTO_UNIT_TEST(testSchedulerHiresTimers)
+{
+    if (senf::scheduler::haveScalableHiresTimers())
+        BOOST_MESSAGE( "Using timerfd() hires timers" );
+    else
+        BOOST_MESSAGE( "Using POSIX hires timers");
+    SENF_CHECK_NO_THROW( senf::scheduler::hiresTimers() );
+    BOOST_CHECK( senf::scheduler::usingHiresTimers() );
+    schedulerTest();
+    SENF_CHECK_NO_THROW( senf::scheduler::loresTimers() );
+    BOOST_CHECK( ! senf::scheduler::usingHiresTimers() );
+}
+
+BOOST_AUTO_UNIT_TEST(testSchedulerPOSIXTimers)
+{
+    if (senf::scheduler::haveScalableHiresTimers()) {
+        SENF_CHECK_NO_THROW( senf::scheduler::detail::TimerDispatcher::instance().timerSource(
+                                 std::auto_ptr<senf::scheduler::detail::TimerSource>(
+                                     new senf::scheduler::detail::POSIXTimerSource())) );
+        schedulerTest();
+        senf::scheduler::loresTimers();
+    }
+}
+
+namespace {
+    
+    void sigme()
+    {
+        senf::scheduler::BlockSignals signalBlocker;
+        signalBlocker.block();
+        signalBlocker.unblock();
+        BOOST_CHECK( ! signalBlocker.blocked() );
+        signalBlocker.unblock();
+        signalBlocker.block();
+        BOOST_CHECK( signalBlocker.blocked() );
+        ::kill(::getpid(), SIGUSR1);
+        delay(200);
+    }
+
+}
+
+BOOST_AUTO_UNIT_TEST(blockSignals)
+{
+    senf::scheduler::TimerEvent signaler ("sigme", &sigme, senf::ClockService::now());
+    senf::scheduler::TimerEvent timer (
+        "testWatchdog", &timeout, senf::ClockService::now()+senf::ClockService::milliseconds(400));
+    senf::scheduler::SignalEvent sig (SIGUSR1, &sigusr);
+    
+    senf::ClockService::clock_type t = senf::ClockService::now();
+    SENF_CHECK_NO_THROW( senf::scheduler::process() ); 
+
+    BOOST_CHECK_PREDICATE( is_close, 
+                           (senf::ClockService::now()) 
+                           (t+senf::ClockService::milliseconds(200)) );
+    BOOST_CHECK_PREDICATE( is_close, (sigtime) (t+senf::ClockService::milliseconds(200)) );
+
+    SENF_CHECK_NO_THROW( senf::scheduler::process() ); 
+}
+
 ///////////////////////////////cc.e////////////////////////////////////////
 #undef prefix_