Hi Canh Van Truong,
I hope this patch will work for multiple threads doing
saLogInitialize() , saLogStreamOpen_2() and saLogFinalize() concurrently
in a single process and reaches lga_use_count = 0 ,
againg restarting saLogInitialize() , saLogStreamOpen_2() and
saLogFinalize()
without process exist.
If so let us have a test case like for multiple threads doing
saLogInitialize() , saLogStreamOpen_2() and saLogFinalize() concurrently
-AVM
On 6/13/2016 12:37 PM, Canh Van Truong wrote:
> osaf/libs/agents/saf/lga/lga_api.c | 3 ++-
> osaf/libs/agents/saf/lga/lga_util.c | 21 ++++++++++++---------
> tests/logsv/logtest.h | 1 +
> tests/logsv/tet_saLogStreamOpen_2.c | 29 +++++++++++++++++++++++++++++
> 4 files changed, 44 insertions(+), 10 deletions(-)
>
>
> Sometimes, Log service can handle LGSV_INITIALIZE_REQ before handle
> LGSV_LGS_EVT_LGA_DOWN, although LGSV_LGS_EVT_LGA_DOWN was sent first whenever
> finalize() is call for last client. Because lgs can not distinguish MDS
> address between new connection (initializing new client) and old connection
> (finalizing last client before). This patch fixes to keep MDS connection
> when last client finalized, and re-use it when next initialize() called.
>
> diff --git a/osaf/libs/agents/saf/lga/lga_api.c
> b/osaf/libs/agents/saf/lga/lga_api.c
> --- a/osaf/libs/agents/saf/lga/lga_api.c
> +++ b/osaf/libs/agents/saf/lga/lga_api.c
> @@ -41,7 +41,8 @@
> /* The main controle block */
> lga_cb_t lga_cb = {
> .cb_lock = PTHREAD_MUTEX_INITIALIZER,
> - .lgs_state = LGS_START
> + .lgs_state = LGS_START,
> + .mds_hdl = 0
> };
>
> static bool is_well_know_stream(const char* dn)
> diff --git a/osaf/libs/agents/saf/lga/lga_util.c
> b/osaf/libs/agents/saf/lga/lga_util.c
> --- a/osaf/libs/agents/saf/lga/lga_util.c
> +++ b/osaf/libs/agents/saf/lga/lga_util.c
> @@ -308,21 +308,17 @@ unsigned int lga_startup(lga_cb_t *cb)
> osaf_mutex_lock_ordie(&lga_lock);
>
> TRACE_ENTER2("lga_use_count: %u", lga_use_count);
> - if (lga_use_count > 0) {
> - /* Already created, just increment the use_count */
> - lga_use_count++;
> - goto done;
> - } else {
> +
> + if (cb->mds_hdl == 0) {
> if ((rc = ncs_agents_startup()) != NCSCC_RC_SUCCESS) {
> TRACE("ncs_agents_startup FAILED");
> goto done;
> }
>
> if ((rc = lga_create()) != NCSCC_RC_SUCCESS) {
> + cb->mds_hdl = 0;
> ncs_agents_shutdown();
> goto done;
> - } else {
> - lga_use_count = 1;
> }
>
> /* Agent has successfully been started including communication
> @@ -331,6 +327,9 @@ unsigned int lga_startup(lga_cb_t *cb)
> set_lga_state(LGA_NORMAL);
> }
>
> + /* Increase the use_count */
> + lga_use_count++;
> +
> done:
> osaf_mutex_unlock_ordie(&lga_lock);
>
> @@ -361,8 +360,12 @@ unsigned int lga_shutdown_after_last_cli
> /* Users still exist, just decrement the use count */
> lga_use_count--;
> } else if (lga_use_count == 1) {
> - lga_destroy();
> - rc = ncs_agents_shutdown();
> + /*
> + * Disable MDS_UNINSTALL and ncs agent shutdown to keep MDS
> connection.
> + * Fix ticket 1396. Msg NCSMDS_DOWN and Initialize are out of
> order in Mbx.
> + */
> + /* lga_destroy(); */
> + /* rc = ncs_agents_shutdown(); */
> lga_use_count = 0;
> }
>
> diff --git a/tests/logsv/logtest.h b/tests/logsv/logtest.h
> --- a/tests/logsv/logtest.h
> +++ b/tests/logsv/logtest.h
> @@ -27,6 +27,7 @@
> #include <utest.h>
> #include <util.h>
> #include <sys/wait.h>
> +#include <unistd.h>
>
> #include <osaf_time.h>
> #include <logtrace.h>
> diff --git a/tests/logsv/tet_saLogStreamOpen_2.c
> b/tests/logsv/tet_saLogStreamOpen_2.c
> --- a/tests/logsv/tet_saLogStreamOpen_2.c
> +++ b/tests/logsv/tet_saLogStreamOpen_2.c
> @@ -704,6 +704,34 @@ done:
> }
> }
>
> +/*
> + * Ticket 1396
> + * Verify that saLogInitialize() then saLogFinalize() multiple time OK
> + */
> +void saLogMultipleInitialize(void)
> +{
> + SaLogStreamHandleT logStreamHandle1;
> + int count = 100;
> + SaAisErrorT rc = SA_AIS_OK;
> +
> + while (count--) {
> + rc = saLogInitialize(&logHandle, &logCallbacks, &logVersion);
> + if (rc != SA_AIS_OK)
> + break;
> +
> + rc = saLogStreamOpen_2(logHandle, &app1StreamName,
> &appStream1LogFileCreateAttributes,
> + SA_LOG_STREAM_CREATE,
> SA_TIME_ONE_SECOND, &logStreamHandle1);
> + safassert(rc, SA_AIS_OK);
> +
> + rc = saLogFinalize(logHandle);
> + if (rc != SA_AIS_OK)
> + break;
> +
> + }
> + test_validate(rc, SA_AIS_OK);
> +
> +}
> +
> extern void saLogStreamOpenAsync_2_01(void);
> extern void saLogStreamOpenCallbackT_01(void);
> extern void saLogWriteLog_01(void);
> @@ -790,5 +818,6 @@ extern void saLogStreamClose_01(void);
> test_case_add(2, verFixLogRec_Max_Err, "saLogStreamOpen_2 with
> maxLogRecordSize > MAX_RECSIZE, ERR");
> test_case_add(2, verFixLogRec_Min_Err, "saLogStreamOpen_2 with
> maxLogRecordSize < 150, ERR");
> test_case_add(2, saLogStreamOpen_2_50, "saLogStreamOpen_2 with stream
> number out of the limitation, ERR");
> + test_case_add(2, saLogMultipleInitialize, "saLogInitialize() then
> saLogFinalize() multiple time. keep MDS connection, OK");
> }
>
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