add a status servlet to show you whether mache can successfully retri…

…eve logs

src/com/streak/logging/analysis/TestLogsAccessibleServlet.java

@@ -0,0 +1,43 @@
+package com.streak.logging.analysis;
+
+import java.io.IOException;
+import java.util.List;
+
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import com.google.appengine.api.log.LogQuery;
+import com.google.appengine.api.log.LogService;
+import com.google.appengine.api.log.LogServiceFactory;
+import com.google.appengine.api.log.RequestLogs;
+
+public class TestLogsAccessibleServlet extends HttpServlet {
+
+	public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+		resp.setContentType("text/plain");
+
+		String exporterSetClassStr = AnalysisUtility.extractParameterOrThrow(req, AnalysisConstants.BIGQUERY_FIELD_EXPORTER_SET_PARAM);
+		BigqueryFieldExporterSet exporterSet = AnalysisUtility.instantiateExporterSet(exporterSetClassStr);
+
+		LogService ls = LogServiceFactory.getLogService();
+		LogQuery lq = new LogQuery();
+		long currMillis = System.currentTimeMillis();
+		lq = lq.startTimeUsec((currMillis - 5 * 60 * 1000) * 1000)
+				.endTimeUsec(currMillis * 1000)
+				.includeAppLogs(true);
+
+
+		List<String> appVersions = exporterSet.applicationVersionsToExport();
+		if (appVersions != null) {
+			lq = lq.majorVersionIds(appVersions);
+		}
+
+		Iterable<RequestLogs> logs = ls.fetch(lq);
+
+		for (RequestLogs rl : logs) {
+			resp.getWriter().println(rl.getCombined() + "\n");
+		}
+
+	}
+}