Hi Anders Widell, ACK with following ( tested as well )
On 2/17/2017 2:22 PM, Anders Widell wrote: > Yes the max value is INT_MAX (2147483647), after which the next > sequence number will start from 1 again. Do we have to mention the things in some README ? -AVM On 2/17/2017 2:22 PM, Anders Widell wrote: > See below. > > regards, > > Anders Widell > > > On 02/17/2017 06:21 AM, A V Mahesh wrote: >> Hi Anders Widell, >> >> Can you please clarify below : >> >> 1) is this meta sequenceId is rotates after reaching some value ? >> ( Max value ) > > Yes the max value is INT_MAX (2147483647), after which the next > sequence number will start from 1 again. > >> >> 2) is this meta sequenceId persistent even after application >> respawn ? > > No, but you can detect application restart using the PID, which is > also included in the log message. > >> >> ============================================================================================================================================================= >> >> >> >> <143>1 2017-02-17T10:44:21.59772+05:30 PL-1 osafimmloadd 10183 - >> [meta sequenceId="431572"] MDS_SND_RCV : calling cb ptr enc or enc >> flatin mcm_msg_encode_full_or_flat_and_send >> <143>1 2017-02-17T10:44:21.597733+05:30 PL-1 osafimmloadd 10183 - >> [meta sequenceId="431573"] >> mds_get_subtn_res_tbl_by_adest >> >> <143>1 2017-02-17T10:44:21.597771+05:30 PL-1 osafimmloadd 10183 - >> [meta sequenceId="431576"] << mcm_msg_encode_full_or_flat_and_send >> <142>1 2017-02-17T10:44:21.597784+05:30 PL-1 osafimmloadd 10183 - >> [meta sequenceId="431577"] MDTM: User Sending Data lenght=384 From >> svc_id = IMMA_OM(26) to svc_id = IMMND(25) >> <143>1 2017-02-17T10:44:21.597798+05:30 PL-1 osafimmloadd 10183 - >> [meta sequenceId="431578"] MDTM: Sending message with Service >> Seqno=7482, TO Dest_id=<0x0002020f:9253> >> >> <143>1 2017-02-17T10:44:21.597875+05:30 PL-1 osafimmnd 9253 - [meta >> sequenceId="1532911"] >> mds_vdest_tbl_get_role >> <143>1 2017-02-17T10:44:21.597879+05:30 PL-1 osafimmnd 9253 - [meta >> sequenceId="1532912"] << mds_vdest_tbl_get_role >> >> ============================================================================================================================================================= >> >> >> >> -AVM >> >> >> On 2/13/2017 8:11 PM, Anders Widell wrote: >>> src/mds/mds_log.cc | 24 ++++++++++++++++-------- >>> 1 files changed, 16 insertions(+), 8 deletions(-) >>> >>> >>> Use the meta sequenceId structured element for message sequence >>> numbers instead >>> of the MSGID field, as per RFC-5424. >>> >>> Also use a mutex to protect the UnixSocket instance, since users of >>> this class >>> will be reponsible for thread safety after ticket [#2293]. >>> >>> diff --git a/src/mds/mds_log.cc b/src/mds/mds_log.cc >>> --- a/src/mds/mds_log.cc >>> +++ b/src/mds/mds_log.cc >>> @@ -27,7 +27,6 @@ >>> #include <sys/time.h> >>> #include <time.h> >>> #include <unistd.h> >>> -#include <atomic> >>> #include <cstdarg> >>> #include <cstdio> >>> #include <cstring> >>> @@ -35,6 +34,7 @@ >>> #include "base/buffer.h" >>> #include "base/log_message.h" >>> #include "base/macros.h" >>> +#include "base/mutex.h" >>> #include "base/ncsgl_defs.h" >>> #include "base/osaf_utility.h" >>> #include "base/time.h" >>> @@ -54,12 +54,14 @@ class MdsLog { >>> uint32_t proc_id, const char* socket_name); >>> void LogInternal(base::LogMessage::Severity severity, const char >>> *fmt, >>> va_list ap); >>> + static constexpr const uint32_t kMaxSequenceId = >>> uint32_t{0x7fffffff}; >>> static MdsLog* instance_; >>> const base::LogMessage::HostName host_name_; >>> const base::LogMessage::AppName app_name_; >>> const base::LogMessage::ProcId proc_id_; >>> - std::atomic<uint64_t> msg_id_; >>> + uint32_t sequence_id_; >>> base::UnixClientSocket log_socket_; >>> + base::Mutex mutex_; >>> DELETE_COPY_AND_MOVE_OPERATORS(MdsLog); >>> }; >>> @@ -72,8 +74,9 @@ MdsLog::MdsLog(const char* host_name, co >>> host_name_{base::LogMessage::HostName{host_name}}, >>> app_name_{base::LogMessage::AppName{app_name}}, >>> proc_id_{base::LogMessage::ProcId{std::to_string(proc_id)}}, >>> - msg_id_{0}, >>> - log_socket_{socket_name} { >>> + sequence_id_{1}, >>> + log_socket_{socket_name}, >>> + mutex_{} { >>> } >>> /***************************************************** >>> @@ -130,16 +133,21 @@ void MdsLog::Log(base::LogMessage::Sever >>> void MdsLog::LogInternal(base::LogMessage::Severity severity, >>> const char *fmt, >>> va_list ap) { >>> - uint64_t id = msg_id_++; >>> + base::Lock lock(mutex_); >>> + uint32_t id = sequence_id_; >>> + sequence_id_ = id < kMaxSequenceId ? id + 1 : 1; >>> base::Buffer<256> buffer; >>> - base::LogMessage::Write(base::LogMessage::Facility::kLocal0, >>> + base::LogMessage::Write(base::LogMessage::Facility::kLocal1, >>> severity, >>> base::ReadRealtimeClock(), >>> host_name_, >>> app_name_, >>> proc_id_, >>> - base::LogMessage::MsgId{std::to_string(id)}, >>> - {}, >>> + base::LogMessage::MsgId{""}, >>> + {{base::LogMessage::SdName{"meta"}, >>> + {base::LogMessage::Parameter{ >>> + base::LogMessage::SdName{"sequenceId"}, >>> + std::to_string(id)}}}}, >>> fmt, >>> ap, >>> &buffer); >> > ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot _______________________________________________ Opensaf-devel mailing list Opensaf-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/opensaf-devel