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[host] correct reinit logic when LGMP corruption is detected

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This commit is contained in:
Geoffrey McRae 2021-12-30 14:34:45 +11:00
parent 9b202d5566
commit 6f39434bdc
1 changed files with 31 additions and 51 deletions
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54
host/src/app.c
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@ -326,7 +326,8 @@ bool startThreads(void)
bool stopThreads(void) bool stopThreads(void)
{ {
app.iface->stop(); app.iface->stop();
if (app.state != APP_STATE_SHUTDOWN) if (app.state != APP_STATE_SHUTDOWN &&
app.state != APP_STATE_REINIT)
app.state = APP_STATE_IDLE; app.state = APP_STATE_IDLE;
if (!app.iface->asyncCapture) if (!app.iface->asyncCapture)
@ -512,6 +513,8 @@ static void lgmpShutdown()
for(int i = 0; i < POINTER_SHAPE_BUFFERS; ++i) for(int i = 0; i < POINTER_SHAPE_BUFFERS; ++i)
lgmpHostMemFree(&app.pointerShapeMemory[i]); lgmpHostMemFree(&app.pointerShapeMemory[i]);
lgmpHostFree(&app.lgmp); lgmpHostFree(&app.lgmp);
app.pointerShapeValid = false;
} }
static bool lgmpSetup(struct IVSHMEM * shmDev) static bool lgmpSetup(struct IVSHMEM * shmDev)
@ -724,6 +727,17 @@ int app_main(int argc, char * argv[])
LG_LOCK_INIT(app.pointerLock); LG_LOCK_INIT(app.pointerLock);
while(app.state != APP_STATE_SHUTDOWN) while(app.state != APP_STATE_SHUTDOWN)
{
if (app.state == APP_STATE_REINIT)
{
DEBUG_INFO("Performing LGMP reinitialization");
lgmpShutdown();
if (!lgmpSetup(&shmDev))
goto fail_lgmp;
app.state = APP_STATE_RUNNING;
}
if (app.state == APP_STATE_IDLE)
{ {
if(lgmpHostQueueHasSubs(app.pointerQueue) || if(lgmpHostQueueHasSubs(app.pointerQueue) ||
lgmpHostQueueHasSubs(app.frameQueue)) lgmpHostQueueHasSubs(app.frameQueue))
@ -745,46 +759,14 @@ int app_main(int argc, char * argv[])
usleep(100000); usleep(100000);
continue; continue;
} }
}
while(app.state != APP_STATE_SHUTDOWN && ( while(app.state != APP_STATE_SHUTDOWN && (
lgmpHostQueueHasSubs(app.pointerQueue) || lgmpHostQueueHasSubs(app.pointerQueue) ||
lgmpHostQueueHasSubs(app.frameQueue))) lgmpHostQueueHasSubs(app.frameQueue)))
{ {
if (app.state == APP_STATE_RESTART || app.state == APP_STATE_REINIT) if (app.state == APP_STATE_RESTART || app.state == APP_STATE_REINIT)
{ break;
if (!stopThreads())
{
exitcode = LG_HOST_EXIT_FAILED;
goto fail_threads;
}
if (!captureStop())
{
exitcode = LG_HOST_EXIT_FAILED;
goto fail_capture;
}
if (app.state == APP_STATE_REINIT)
{
lgmpShutdown();
if (!lgmpSetup(&shmDev))
goto fail_lgmp;
}
if (!captureStart())
{
exitcode = LG_HOST_EXIT_FAILED;
goto fail_capture;
}
if (!startThreads())
{
exitcode = LG_HOST_EXIT_FAILED;
goto fail_threads;
}
app.state = APP_STATE_RUNNING;
}
if (lgmpHostQueueNewSubs(app.pointerQueue) > 0) if (lgmpHostQueueNewSubs(app.pointerQueue) > 0)
{ {
@ -836,8 +818,6 @@ int app_main(int argc, char * argv[])
if (app.state != APP_STATE_SHUTDOWN) if (app.state != APP_STATE_SHUTDOWN)
{ {
DEBUG_INFO("No subscribers, going to sleep...");
if (!stopThreads()) if (!stopThreads())
{ {
exitcode = LG_HOST_EXIT_FAILED; exitcode = LG_HOST_EXIT_FAILED;