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Console: Add wrapper log clear button (ticket #2449)

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This commit is contained in:
zzz
2020-05-04 21:22:13 +00:00
parent f1307614c6
commit 2b1c6a9d8f
4 changed files with 106 additions and 26 deletions
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102
apps/routerconsole/java/src/net/i2p/router/web/helpers/LogsHelper.java
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@ -6,12 +6,13 @@ import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.io.IOException;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.jar.Attributes;
import net.i2p.I2PAppContext;
import net.i2p.crypto.SigType;
import net.i2p.data.DataHelper;
import net.i2p.router.web.ConfigServiceHandler;
import net.i2p.router.web.CSSHelper;
import net.i2p.router.web.HelperBase;
@ -24,6 +25,10 @@ public class LogsHelper extends HelperBase {
private static final String _jstlVersion = jstlVersion();
private static final int MAX_WRAPPER_LINES = 250;
private static final String PROP_LAST_WRAPPER = "routerconsole.lastWrapperLogEntry";
/** @since 0.8.12 */
public String getJettyVersion() {
return RouterConsoleRunner.jettyVersion();
@ -72,7 +77,8 @@ public class LogsHelper extends HelperBase {
*/
public String getLogs() {
String str = formatMessages(_context.logManager().getBuffer().getMostRecentMessages());
return "<p>" + _t("File location") + ": <a href=\"/router.log\" target=\"_blank\">" + _context.logManager().currentFile() + "</a></p>" + str;
return "<p>" + _t("File location") + ": <a href=\"/router.log\" target=\"_blank\">" +
DataHelper.escapeHTML(_context.logManager().currentFile()) + "</a></p>" + str;
}
/**
@ -116,31 +122,82 @@ public class LogsHelper extends HelperBase {
* @param consoleNonce must match
* @since 0.9.46
*/
public void clearThrough(int n, int crit, String consoleNonce) {
public void clearThrough(int n, int crit, long wn, long wts, String wf, String consoleNonce) {
if (!CSSHelper.getNonce().equals(consoleNonce))
return;
if (n >= 0)
_context.logManager().getBuffer().getUIMessages().clearThrough(n);
if (crit >= 0)
_context.logManager().getBuffer().getCriticalUIMessages().clearThrough(crit);
if (wn >= 0 && wts > 0 && wf != null) {
// timestamp, last line number, filename
String val = wts + "," + wn + "," + wf;
if (!val.equals(_context.getProperty(PROP_LAST_WRAPPER)))
_context.router().saveConfig(PROP_LAST_WRAPPER, val);
}
}
public String getServiceLogs() {
/**
* last line number -1 on error
* @param buf out parameter
* @return Long timestamp, Long last line number, String filename (escaped)
*/
public Object[] getServiceLogs(StringBuilder obuf) {
File f = ConfigServiceHandler.wrapperLogFile(_context);
String str;
if (_context.hasWrapper()) {
long flastMod = f.lastModified();
long lastMod = 0;
long toSkip = 0;
// timestamp, last line number, filename
String prop = _context.getProperty(PROP_LAST_WRAPPER);
if (prop != null) {
String[] vals = DataHelper.split(prop, ",", 3);
if (vals.length == 3) {
if (vals[2].equals(f.getName())) {
try { lastMod = Long.parseLong(vals[0]); } catch (NumberFormatException nfe) {}
try { toSkip = Long.parseLong(vals[1]); } catch (NumberFormatException nfe) {}
} else {
// file rotated
lastMod = 0;
}
}
}
if (lastMod > 0 && flastMod <= lastMod) {
str = "";
toSkip = -1;
} else if (_context.hasWrapper()) {
// platform encoding
str = readTextFile(f, 250);
StringBuilder buf = new StringBuilder(MAX_WRAPPER_LINES * 80);
toSkip = readTextFile(f, MAX_WRAPPER_LINES, toSkip, buf);
if (toSkip >= 0)
str = buf.toString();
else
str = null;
} else {
// UTF-8
str = FileUtil.readTextFile(f.getAbsolutePath(), 250, false);
// no skipping
str = FileUtil.readTextFile(f.getAbsolutePath(), MAX_WRAPPER_LINES, false);
toSkip = 0;
}
String loc = DataHelper.escapeHTML(f.getAbsolutePath());
if (str == null) {
return "<p>" + _t("File not found") + ": <b><code>" + f.getAbsolutePath() + "</code></b></p>";
obuf.append("<p>").append(_t("File not found")).append(": <b><code>").append(loc).append("</code></b></p>");
toSkip = -1;
} else {
str = str.replace("&", "&amp;").replace("<", "&lt;").replace(">", "&gt;");
return "<p>" + _t("File location") + ": <a href=\"/wrapper.log\" target=\"_blank\">" + f.getAbsolutePath() + "</a></p></td></tr>\n<tr><td><pre id=\"servicelogs\">" + str + "</pre>";
obuf.append("<p>").append(_t("File location")).append(": <a href=\"/wrapper.log\" target=\"_blank\">")
.append(loc).append("</a></p></td></tr>\n<tr><td>");
if (str.length() > 0) {
str = str.replace("&", "&amp;").replace("<", "&lt;").replace(">", "&gt;");
obuf.append("<pre id=\"servicelogs\">").append(str).append("</pre>");
} else {
obuf.append("<p><i>").append(_t("No log messages")).append("</i></p></td></tr><td><tr>");
}
}
Object[] rv = new Object[3];
rv[0] = Long.valueOf(flastMod);
rv[1] = Long.valueOf(toSkip);
rv[2] = DataHelper.escapeHTML(f.getName()).replace(" ", "%20");
return rv;
}
/**
@ -232,28 +289,33 @@ public class LogsHelper extends HelperBase {
* Warning - converts \r\n to \n
*
* @param maxNumLines max number of lines (greater than zero)
* @return string or null; does not throw IOException.
* @param skipLines number of lines to skip, or zero
* @param buf out parameter
* @return -1 on failure, or number of lines in the file. Does not throw IOException.
* @since 0.9.11 modded from FileUtil.readTextFile()
*/
private static String readTextFile(File f, int maxNumLines) {
if (!f.exists()) return null;
private static long readTextFile(File f, int maxNumLines, long skipLines, StringBuilder buf) {
if (!f.exists())
return -1;
BufferedReader in = null;
try {
in = new BufferedReader(new InputStreamReader(new FileInputStream(f)));
List<String> lines = new ArrayList<String>(maxNumLines);
LinkedList<String> lines = new LinkedList<String>();
long i = 0;
String line = null;
while ( (line = in.readLine()) != null) {
if (i++ < skipLines)
continue;
lines.add(line);
if (lines.size() >= maxNumLines)
lines.remove(0);
lines.removeFirst();
}
StringBuilder buf = new StringBuilder(lines.size() * 80);
for (int i = 0; i < lines.size(); i++) {
buf.append(lines.get(i)).append('\n');
for (String ln : lines) {
buf.append(ln).append('\n');
}
return buf.toString();
return i;
} catch (IOException ioe) {
return null;
return -1;
} finally {
if (in != null) try { in.close(); } catch (IOException ioe) {}
}

26
apps/routerconsole/jsp/logs.jsp
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@ -58,12 +58,18 @@
String consoleNonce = net.i2p.router.web.CSSHelper.getNonce();
String ct1 = request.getParameter("clear");
String ct2 = request.getParameter("crit");
String ct3 = request.getParameter("svc");
String ct4 = request.getParameter("svct");
String ct5 = request.getParameter("svcf");
String ctn = request.getParameter("consoleNonce");
if ((ct1 != null || ct2 != null) && ctn != null) {
if ((ct1 != null || ct2 != null || (ct3 != null && ct4 != null && ct5 != null)) && ctn != null) {
int ict1 = -1, ict2 = -1;
long ict3 = -1, ict4 = -1;
try { ict1 = Integer.parseInt(ct1); } catch (NumberFormatException nfe) {}
try { ict2 = Integer.parseInt(ct2); } catch (NumberFormatException nfe) {}
logsHelper.clearThrough(ict1, ict2, ctn);
try { ict3 = Long.parseLong(ct3); } catch (NumberFormatException nfe) {}
try { ict4 = Long.parseLong(ct4); } catch (NumberFormatException nfe) {}
logsHelper.clearThrough(ict1, ict2, ict3, ict4, ct5, ctn);
}
int last = logsHelper.getLastCriticalMessageNumber();
if (last >= 0) {
@ -97,10 +103,22 @@
</td></tr>
</tbody></table>
<h3 class="tabletitle" id="servicelogs"><%=intl._t("Service (Wrapper) Logs")%></h3>
<h3 class="tabletitle" id="servicelogs"><%=intl._t("Service (Wrapper) Logs")%><%
StringBuilder buf = new StringBuilder(24*1024);
// timestamp, last line number, escaped filename
Object[] vals = logsHelper.getServiceLogs(buf);
String lts = vals[0].toString();
long llast = ((Long) vals[1]).longValue();
String filename = vals[2].toString();
if (llast >= 0) {
%>&nbsp;<a class="delete" title="<%=intl._t("Clear logs")%>" href="logs?svc=<%=llast%>&amp;svct=<%=lts%>&amp;svcf=<%=filename%>&amp;consoleNonce=<%=consoleNonce%>">[<%=intl._t("Clear logs")%>]</a><%
}
%></h3>
<table id="wrapperlogs" class="logtable"><tbody>
<tr><td>
<jsp:getProperty name="logsHelper" property="serviceLogs" />
<%
out.append(buf);
%>
</td></tr>
</tbody></table>
</div></body></html>

2
installer/resources/themes/console/dark/console.css
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@ -3994,7 +3994,7 @@ h3#servicedebug a, h3#graphinfo a {
float: right;
}
.main#tunnels h3 a:not(old), #criticallogs + h3.tabletitle a:not(old) {
.main#tunnels h3 a:not(old), #logs h3.tabletitle a.configure:not(old), #logs h3.tabletitle a.delete:not(old) {
font-size: 0;
}

2
installer/resources/themes/console/light/console.css
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@ -1800,7 +1800,7 @@ h3#exploratorytunnels {
margin-top: 15px;
}
#tunnels h3 a:not(old), #criticallogs + h3.tabletitle a:not(old) {
#tunnels h3 a:not(old), #logs h3.tabletitle a.configure:not(old), #logs h3.tabletitle a.delete:not(old) {
font-size: 0;
}