bool DBClientCursor::init() {
Message toSend;
if ( !cursorId ) {
assembleRequest( ns, query, nToReturn, nToSkip, fieldsToReturn, opts, toSend );
} else {
BufBuilder b;
b.append( opts );
b.append( ns.c_str() );
b.append( nToReturn );
b.append( cursorId );
toSend.setData( dbGetMore, b.buf(), b.len() );
}
if ( !connector->call( toSend, *m, false ) )
return false;
dataReceived();
return true;
}
//=============================================================================
// Base beacon
//=============================================================================
static
RU32
RPAL_THREAD_FUNC thread_beacon
(
RPVOID context
)
{
RU32 status = 0;
rList requests = NULL;
rList responses = NULL;
rIterator ite = NULL;
rpcm_tag tag = 0;
rpcm_type type = 0;
rSequence msg = NULL;
RPU8 crashContext = NULL;
RU32 crashContextSize = 0;
RU8 defaultCrashContext = 1;
UNREFERENCED_PARAMETER( context );
// First let's check if we have a crash context already present
// which would indicate we did not shut down properly
if( !acquireCrashContextPresent( &crashContext, &crashContextSize ) )
{
crashContext = NULL;
crashContextSize = 0;
}
// Set a default crashContext to be removed before exiting
setCrashContext( &defaultCrashContext, sizeof( defaultCrashContext ) );
while( !rEvent_wait( g_hcpContext.isBeaconTimeToStop, 0 ) )
{
if( 0 == g_hcpContext.beaconTimeout )
{
// This is the default timeout to re-establish contact home
g_hcpContext.beaconTimeout = RP_HCP_CONFIG_DEFAULT_BEACON_TIMEOUT_INIT;
requests = assembleRequest( crashContext, crashContextSize );
// If we just sent a crash context, free it so we don't keep sending it
if( NULL != crashContext )
{
rpal_memory_free( crashContext );
crashContext = NULL;
crashContextSize = 0;
}
if( NULL != requests &&
doBeacon( RP_HCP_MODULE_ID_HCP, requests, &responses ) &&
NULL != responses )
{
// This is the default beacon timeout when contact is already established
g_hcpContext.beaconTimeout = RP_HCP_CONFIG_DEFAULT_BEACON_TIMEOUT;
// Go through the response list of messages
if( NULL != ( ite = rIterator_new( responses ) ) )
{
while( rIterator_next( ite, &tag, &type, &msg, NULL ) )
{
// We ignore non-messages for forward compat
if( RP_TAGS_MESSAGE == tag &&
RPCM_SEQUENCE == type )
{
processMessage( msg );
}
}
rIterator_free( ite );
}
}
// Free resources.
IF_VALID_DO( requests, rList_free );
requests = NULL;
IF_VALID_DO( responses, rList_free );
responses = NULL;
}
// Sleep for 1 second, we aproximate beacon times
rpal_thread_sleep( 1 * 1000 );
if( 0 != g_hcpContext.beaconTimeout ){ g_hcpContext.beaconTimeout--; }
}
return status;
}