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);
>>
>
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