result.append("<table border='1'><tr><th>Session id</th><th>Remote address</th><th>Heap count</th><th>Write queue depth</th><th></th></tr>\n");
// show a list of connections, by type (incoming/outgoing)
// for each connection, show write queue depth
for (IoSession session : sessions.values()) {
String sessionId = NioUtils.getSessionId(session);
SessionWriteQueueMonitor queueMonitor = SessionWriteQueueMonitoring.getSessionMonitor(sessionId);
String queueLength = queueMonitor != null ? String.valueOf(queueMonitor.getQueueDepth()) : "N/A";
List<String> heapUris = connectedObjectManager.getHeapsForSession(session);
int heapCount = heapUris != null ? heapUris.size() : 0;
result.append("<tr><td>").append(sessionId).append("</td><td>").append(session.getRemoteAddress()).append("</td><td>").append(heapCount).append("</td><td>").append(queueLength).append("</td>");
if (heapCount != 0) {
result.append("<td><a href='").append(getPath()).append("?sessionId=").append(URLEncoder.encode(sessionId)).append("&detailedSession=").append(showDetailedSessionBreakdown).append("&detailedHeap=").append(showDetailedHeapBreakdown).append("&killLinks=").append(showKillLinks).append("'>Show connected objects</a></td>");
}
result.append("</tr>\n");
}
result.append("</table>\n");
// for each connection, show connected objects that are live
IoSession session = sessionIdToBreakDown != null ? sessions.get(sessionIdToBreakDown) : null;
if (session != null) {
List<String> heapUris = connectedObjectManager.getHeapsForSession(session);
int heapCount = heapUris != null ? heapUris.size() : 0;
if (heapCount != 0) {
result.append("<hr width='100%'/>\n<h3>Connected object breakdown for connection '").append(sessionIdToBreakDown).append("'</h3>\n");
String heapUriString = heapUriToBreakDown != null ? "&heapUri="+heapUriToBreakDown : "";
if (showDetailedSessionBreakdown) {
result.append("<p><a href='").append(getPath()).append("?sessionId=").append(URLEncoder.encode(sessionIdToBreakDown)).append("&detailedSession=false").append(heapUriString).append("&killLinks=").append(showKillLinks).append("&detailedHeap=").append(showDetailedHeapBreakdown).append("'>Show summary view</a></p>\n");
}
else {
result.append("<p><a href='").append(getPath()).append("?sessionId=").append(URLEncoder.encode(sessionIdToBreakDown)).append("&detailedSession=true").append(heapUriString).append("&killLinks=").append(showKillLinks).append("&detailedHeap=").append(showDetailedHeapBreakdown).append("'>Show detailed view</a></p>\n");
}
Collections.sort(heapUris);
result.append("<table border='1'><tr><th>Heap URI</th>");
if (showDetailedSessionBreakdown) {
result.append("<th>Last delta sent</th><th>Num subscribers</th>");
}
result.append("<th></th></tr>\n");
for (String s : heapUris) {
result.append("<tr><td>").append(s).append("</td>");
// for each connected object, show last delta sent/received (id), show number of subscribers
if (showDetailedSessionBreakdown) {
// add last delta sent/num subscribers
PooledServerConnectedObjectManager.HeapStateMonitoring heapState = connectedObjectManager.getHeapStateForMonitoring(s);
if (heapState != null) {
result.append("<td>").append(heapState.getLastUpdateId()).append("</td><td>").append(heapState.getSubscriptionCount()).append("</td>");
}
else {
result.append("<td>N/A</td><td>N/A</td>");
}
}
// add link to connected object detail
if (s.equals(heapUriToBreakDown)) {
result.append("<td><a href='").append(getPath()).append("?sessionId=").append(URLEncoder.encode(sessionIdToBreakDown)).append("&detailedSession=").append(showDetailedSessionBreakdown).append("&detailedHeap=").append(showDetailedHeapBreakdown).append("&killLinks=").append(showKillLinks).append("'>Hide breakdown</a></td>");
}
else {
result.append("<td><a href='").append(getPath()).append("?sessionId=").append(URLEncoder.encode(sessionIdToBreakDown)).append("&detailedSession=").append(showDetailedSessionBreakdown).append("&detailedHeap=").append(showDetailedHeapBreakdown).append("&killLinks=").append(showKillLinks).append("&heapUri=").append(s).append("'>Show breakdown</a></td>");
}
result.append("</tr>\n");
}
result.append("</table>");
}
}
result.append("</td><td width='0' valign='top'>\n");
// --------------------------- Heap orientated view --------------------------------------
result.append("<h3>Heap breakdown</h3>\n");
// for each connected object, show list of connections
Set<String> heapUris = null;
Collection<String> heapUrisCollection = connectedObjectManager.getHeapUris().values();
if (heapUrisCollection != null) {
heapUris = new TreeSet<String>(heapUrisCollection);
}
if (heapUris != null) {
result.append("<table border='1'><tr><th>Heap</th><th>Connection count</th><th>Last delta sent</th><th>Num subscribers</th><th></th></tr>\n");
for (String heapUri : heapUris) {
PooledServerConnectedObjectManager.HeapStateMonitoring heapState = connectedObjectManager.getHeapStateForMonitoring(heapUri);
if (heapState != null) {
result.append("<tr><td>").append(heapUri).append("</td><td>").append(heapState.getSessionCount()).append("</td><td>").append(heapState.getLastUpdateId()).append("</td><td>").append(heapState.getSubscriptionCount()).append("</td>");
if (heapState.getSessionCount() != 0) {
result.append("<td><a href='").append(getPath()).append("?heapUri=").append(URLEncoder.encode(heapUri)).append("&detailedSession=").append(showDetailedSessionBreakdown).append("&detailedHeap=").append(showDetailedHeapBreakdown).append("&killLinks=").append(showKillLinks).append("'>Show connections</a></td>");
}
result.append("</tr>\n");
}
}
result.append("</table>");
}
PooledServerConnectedObjectManager.HeapStateMonitoring heapState = heapUriToBreakDown != null ? connectedObjectManager.getHeapStateForMonitoring(heapUriToBreakDown) : null;
if (heapState != null) {
result.append("<hr width='100%'/>\n<h3>Connection breakdown for connected object '").append(heapUriToBreakDown).append("'</h3>\n");
// Show/hide detailed view
String sessionIdString = sessionIdToBreakDown != null ? "&sessionId="+URLEncoder.encode(sessionIdToBreakDown) : "";
if (showDetailedHeapBreakdown) {
result.append("<p><a href='").append(getPath()).append("?heapUri=").append(URLEncoder.encode(heapUriToBreakDown)).append(sessionIdString).append("&detailedHeap=false").append(sessionIdString).append("&killLinks=").append(showKillLinks).append("&detailedSession=").append(showDetailedSessionBreakdown).append("'>Show summary view</a></p>\n");
}
else {
result.append("<p><a href='").append(getPath()).append("?heapUri=").append(URLEncoder.encode(heapUriToBreakDown)).append(sessionIdString).append("&detailedHeap=true").append(sessionIdString).append("&killLinks=").append(showKillLinks).append("&detailedSession=").append(showDetailedSessionBreakdown).append("'>Show detailed view</a></p>\n");
}
SortedMap<String, List<String>> subscriptionIdsBySessionId = heapState.getSubscriptionIdsBySessionId();
if (subscriptionIdsBySessionId != null) {
result.append("<table border='1'><tr><th>Session Id</th>");
if (showDetailedHeapBreakdown) {
result.append("<th>Remote Address</th><th>Write Queue Depth</th>");
}
result.append("<th></th></tr>\n");
for (String sessionId :subscriptionIdsBySessionId.keySet()) {
IoSession sessionForSessionId = sessions.get(sessionId);
result.append("<tr><td>").append(sessionId).append("</td>");
if (showDetailedHeapBreakdown) {
SessionWriteQueueMonitor queueMonitor = SessionWriteQueueMonitoring.getSessionMonitor(sessionId);
String queueLength = queueMonitor != null ? String.valueOf(queueMonitor.getQueueDepth()) : "N/A";
result.append("<td>").append(sessionForSessionId.getRemoteAddress()).append("</td><td>").append(queueLength).append("</td>");
}
if (sessionId.equals(sessionIdToBreakDown)) {
result.append("<td><a href='").append(getPath()).append("?detailedSession=").append(showDetailedSessionBreakdown).append("&detailedHeap=").append(showDetailedHeapBreakdown).append("&killLinks=").append(showKillLinks).append("&heapUri=").append(heapUriToBreakDown).append("'>Hide breakdown</a></td>");
}