Hi Anders,

thanks for pointing out, I missed the term_fd_. I'll send out a new version.

/Thanks HansN


On 10/14/2016 10:34 AM, Anders Widell wrote:
> Hi!
>
> This code has degraded in one aspect: it does not return so quickly 
> (or at all) when term_fd_ has been signalled. Could you try to fix 
> this in some way? Other comments marked [AndersW] below.
>
> regards,
>
> Anders Widell
>
>
> On 10/11/2016 04:57 PM, Hans Nordeback wrote:
>> osaf/services/infrastructure/dtms/transport/tests/Makefile.am |   3 +-
>> osaf/services/infrastructure/dtms/transport/tests/transport_monitor_test.cc 
>> |   4 +-
>> osaf/services/infrastructure/dtms/transport/transport_monitor.cc |  
>> 41 +++++----
>>   3 files changed, 27 insertions(+), 21 deletions(-)
>>
>>
>> diff --git 
>> a/osaf/services/infrastructure/dtms/transport/tests/Makefile.am 
>> b/osaf/services/infrastructure/dtms/transport/tests/Makefile.am
>> --- a/osaf/services/infrastructure/dtms/transport/tests/Makefile.am
>> +++ b/osaf/services/infrastructure/dtms/transport/tests/Makefile.am
>> @@ -42,4 +42,5 @@ transport_test_SOURCES = \
>>     transport_test_LDADD = \
>>       $(GTEST_DIR)/lib/libgtest.la \
>> -    $(GTEST_DIR)/lib/libgtest_main.la
>> +    $(GTEST_DIR)/lib/libgtest_main.la \
>> +    $(top_builddir)/osaf/libs/core/libopensaf_core.la
>> diff --git 
>> a/osaf/services/infrastructure/dtms/transport/tests/transport_monitor_test.cc
>>  
>> b/osaf/services/infrastructure/dtms/transport/tests/transport_monitor_test.cc
>>  
>>
>> --- 
>> a/osaf/services/infrastructure/dtms/transport/tests/transport_monitor_test.cc
>> +++ 
>> b/osaf/services/infrastructure/dtms/transport/tests/transport_monitor_test.cc
>> @@ -82,14 +82,14 @@ class TransportMonitorTest : public ::te
>>   TEST_F(TransportMonitorTest, WaitForNonexistentDaemonName) {
>>     pid_t pid = monitor_->WaitForDaemon("name_does_not_exist", 17);
>>     EXPECT_EQ(pid, pid_t{-1});
>> -  EXPECT_EQ(mock_osaf_poll.invocations, 17);
>> +  EXPECT_EQ(mock_osaf_poll.invocations, 1);
>>   }
>>     TEST_F(TransportMonitorTest, WaitForNonexistentDaemonPid) {
>>     CreatePidFile("pid_does_not_exist", 1234567890, false);
>>     pid_t pid = monitor_->WaitForDaemon("pid_does_not_exist", 1);
>>     EXPECT_EQ(pid, pid_t{-1});
>> -  EXPECT_EQ(mock_osaf_poll.invocations, 1);
>> +  EXPECT_EQ(mock_osaf_poll.invocations, 0);
>>   }
>>     TEST_F(TransportMonitorTest, WaitForExistingPid) {
>> diff --git 
>> a/osaf/services/infrastructure/dtms/transport/transport_monitor.cc 
>> b/osaf/services/infrastructure/dtms/transport/transport_monitor.cc
>> --- a/osaf/services/infrastructure/dtms/transport/transport_monitor.cc
>> +++ b/osaf/services/infrastructure/dtms/transport/transport_monitor.cc
>> @@ -25,15 +25,16 @@
>>   #include "./configmake.h"
>>   #include "osaf/libs/core/common/include/osaf_poll.h"
>>   #include "osaf/libs/core/cplusplus/base/getenv.h"
>> +#include "osaf/libs/core/cplusplus/base/file_notify.h"
>>     TransportMonitor::TransportMonitor(int term_fd)
>>       : term_fd_{term_fd},
>> -      pkgpiddir_{base::GetEnv<std::string>("pkgpiddir", PKGPIDDIR)},
>> -      proc_path_{"/proc/"},
>> - mds_log_file_{base::GetEnv<std::string>("pkglogdir", PKGLOGDIR)
>> -          + "/mds.log"},
>> -      old_mds_log_file_{mds_log_file_ + ".old"},
>> - use_tipc_{base::GetEnv<std::string>("MDS_TRANSPORT", "TCP") == 
>> "TIPC"} {
>> +pkgpiddir_{base::GetEnv<std::string>("pkgpiddir", PKGPIDDIR)},
>> +proc_path_{"/proc/"},
>> +mds_log_file_{base::GetEnv<std::string>("pkglogdir", PKGLOGDIR)
>> +              + "/mds.log"},
>> +old_mds_log_file_{mds_log_file_ + ".old"},
>> +use_tipc_{base::GetEnv<std::string>("MDS_TRANSPORT", "TCP") == 
>> "TIPC"} {
> [AndersW] Indentation has been messed up here.
>>   }
>>     TransportMonitor::~TransportMonitor() {
>> @@ -43,15 +44,17 @@ pid_t TransportMonitor::WaitForDaemon(co
>>                                         int64_t seconds_to_wait) {
>>     std::string pidfile = pkgpiddir_ + "/" + daemon_name + ".pid";
>>     pid_t pid = pid_t{-1};
>> -  for (int64_t count = 0; count != seconds_to_wait; ++count) {
>> -    if (!(std::ifstream{pidfile} >> pid).fail()
>> -        && IsDir(proc_path_ + std::to_string(pid)))
>> -      break;
>> -    pid = pid_t{-1};
>> -    if (Sleep(1))
>> -      return pid_t{-1};
>> +  base::FileNotify file_notify;
>> +  int rc = file_notify.WaitForFileCreation(pidfile, seconds_to_wait 
>> * 1000);
> [AndersW] Possibly use kMillisPerSec from osaf_time.h instead of 
> writing 1000 explicitly.
>> +
>> +  if (rc == base::FileNotify::kOK) {
>> +    if (!(std::ifstream{pidfile} >> pid).fail()) {
>> +      if (IsDir(proc_path_ + std::to_string(pid))) {
>> +        return pid;
>> +      }
>> +    }
>>     }
>> -  return pid;
>> +  return pid_t{-1};
>>   }
>>     bool TransportMonitor::Sleep(int64_t seconds_to_wait) {
>> @@ -65,6 +68,7 @@ bool TransportMonitor::IsDir(const std::
>>   }
>>     void TransportMonitor::RotateMdsLogs(pid_t pid_to_watch) {
>> +  base::FileNotify file_notify;
>>     std::string pid_path{proc_path_ + std::to_string(pid_to_watch)};
>>     for (;;) {
>>       if (FileSize(mds_log_file_) > kMaxFileSize) {
>> @@ -72,10 +76,11 @@ void TransportMonitor::RotateMdsLogs(pid
>>         rename(mds_log_file(), old_mds_log_file());
>>       }
>>       if (pid_to_watch != pid_t{0}) {
>> -      for (int64_t i = 0; i != kLogRotationIntervalInSeconds; ++i) {
>> -        if (!IsDir(pid_path) || Sleep(1))
>> -          return;
>> -      }
>> +      int rc =
>> +          file_notify.WaitForFileDeletion(pid_path,
>> + kLogRotationIntervalInSeconds * 1000);
>> +      if (rc == base::FileNotify::kOK)
>> +        return;
>>       } else {
>>         if (Sleep(kLogRotationIntervalInSeconds))
>>           return;
>


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