홍길동 / onos

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Thomas Vachuska
Committed by Gerrit Code Review
e9af1f44 1 parent 0a4c2701

Suppressing some error messages that pollute the log on switch disconnect. 

Change-Id: Ia79e0efcdf8552a4be1ce6b6cb562100f077bd90
Inline Side-by-side
Showing 1 changed file with 12 additions and 5 deletions
......@@ -80,6 +80,10 @@ import org.slf4j.LoggerFactory;
*/
class OFChannelHandler extends IdleStateAwareChannelHandler {
private static final Logger log = LoggerFactory.getLogger(OFChannelHandler.class);
private static final String RESET_BY_PEER = "Connection reset by peer";
private static final String BROKEN_PIPE = "Broken pipe";
private final Controller controller;
private OpenFlowSwitchDriver sw;
private long thisdpid; // channelHandler cached value of connected switch id
......@@ -1094,11 +1098,14 @@ class OFChannelHandler extends IdleStateAwareChannelHandler {
} else if (e.getCause() instanceof ClosedChannelException) {
log.debug("Channel for sw {} already closed", getSwitchInfoString());
} else if (e.getCause() instanceof IOException) {
log.error("Disconnecting switch {} due to IO Error: {}",
getSwitchInfoString(), e.getCause().getMessage());
if (log.isDebugEnabled()) {
// still print stack trace if debug is enabled
log.debug("StackTrace for previous Exception: ", e.getCause());
if (!e.getCause().getMessage().equals(RESET_BY_PEER) &&
!e.getCause().getMessage().equals(BROKEN_PIPE)) {
log.error("Disconnecting switch {} due to IO Error: {}",
getSwitchInfoString(), e.getCause().getMessage());
if (log.isDebugEnabled()) {
// still print stack trace if debug is enabled
log.debug("StackTrace for previous Exception: ", e.getCause());
}
}
ctx.getChannel().close();
} else if (e.getCause() instanceof SwitchStateException) {
......