Fixed bugs and performance problems in StandaloneServletClient.

The Hop embedded into the servlet container is now the
most performant way to run a Hop app.
This commit is contained in:
hns 2001-11-20 15:02:35 +00:00
parent af93d7b66a
commit 96393ea5eb
2 changed files with 49 additions and 38 deletions

View file

@ -85,7 +85,7 @@ public abstract class AbstractServletClient extends HttpServlet {
RequestTrans reqtrans = new RequestTrans (method);
reqtrans.path = getRequestPath (pathInfo);
try {
try {
if (cookies != null) {
for (int i=0; i < cookies.length;i++) try { // get Cookies
@ -102,10 +102,10 @@ public abstract class AbstractServletClient extends HttpServlet {
if (reqtrans.session == null) {
reqtrans.session = Long.toString (Math.round (Math.random ()*Long.MAX_VALUE), 16);
reqtrans.session += "@"+Long.toString (System.currentTimeMillis (), 16);
Cookie c = new Cookie("HopSession", reqtrans.session);
Cookie c = new Cookie("HopSession", reqtrans.session);
c.setPath ("/");
if (cookieDomain != null)
c.setDomain (cookieDomain);
c.setDomain (cookieDomain);
response.addCookie(c);
}
@ -136,7 +136,7 @@ public abstract class AbstractServletClient extends HttpServlet {
if (paramValues.length > 1)
reqtrans.set (nextKey+"_array", paramValues); // set string array
}
}
}
String contentType = request.getContentType();
if (contentType != null && contentType.indexOf("multipart/form-data")==0) {
@ -168,7 +168,7 @@ public abstract class AbstractServletClient extends HttpServlet {
invalidateApp (appID);
app = getApp (appID);
app.ping ();
restrans = app.execute (reqtrans);
restrans = app.execute (reqtrans);
}
writeResponse (response, restrans, cookies, protocol);
@ -177,9 +177,9 @@ public abstract class AbstractServletClient extends HttpServlet {
try {
response.setContentType ("text/html");
Writer out = response.getWriter ();
if (debug)
if (debug)
out.write ("<b>Error:</b><br>" +x);
else
else
out.write ("This server is temporarily unavailable. Please check back later.");
out.flush ();
} catch (Exception io_e) {}
@ -187,21 +187,21 @@ public abstract class AbstractServletClient extends HttpServlet {
}
private void writeResponse (HttpServletResponse res, ResponseTrans trans, Cookie[] cookies, String protocol) {
void writeResponse (HttpServletResponse res, ResponseTrans trans, Cookie[] cookies, String protocol) {
for (int i = 0; i < trans.countCookies(); i++) try {
Cookie c = new Cookie(trans.getKeyAt(i), trans.getValueAt(i));
Cookie c = new Cookie(trans.getKeyAt(i), trans.getValueAt(i));
c.setPath ("/");
if (cookieDomain != null)
c.setDomain (cookieDomain);
c.setDomain (cookieDomain);
int expires = trans.getDaysAt(i);
if (expires > 0)
c.setMaxAge(expires * 60*60*24); // Cookie time to live, days -> seconds
res.addCookie(c);
c.setMaxAge(expires * 60*60*24); // Cookie time to live, days -> seconds
res.addCookie(c);
} catch (Exception ign) {}
if (trans.getRedirect () != null) {
try {
try {
res.sendRedirect(trans.getRedirect ());
} catch(Exception io_e) {}

View file

@ -15,35 +15,61 @@ import helma.util.*;
/**
* This is a standalone Hop servlet client, running a Hop application by itself.
*/
public class StandaloneServletClient extends AbstractServletClient {
public final class StandaloneServletClient extends AbstractServletClient {
private Application app = null;
private String appName;
private String serverProps;
public void init (ServletConfig init) throws ServletException {
super.init (init);
appName = init.getInitParameter ("application");
serverProps = init.getInitParameter ("serverprops");
super.init (init);
}
synchronized IRemoteApp getApp (String appID) throws Exception {
IRemoteApp getApp (String appID) {
if (app == null)
createApp ();
return app;
}
/**
* Create the application. Since we are synchronized only here, we
* do another check if the app already exists and immediately return if it does.
*/
synchronized void createApp () {
if (app != null)
return app;
return;
try {
File propfile = new File (serverProps);
File hopHome = new File (propfile.getParent());
SystemProperties sysProps = new SystemProperties (propfile.getAbsolutePath());
app = new Application (appName, hopHome, sysProps, null);
app.init ();
app.start ();
} catch (Exception x) {
System.err.println ("Error starting Application "+appName+": "+x);
x.printStackTrace ();
}
return app;
}
/**
* The servlet is being destroyed. Close and release the application if
* it does exist.
*/
public void destroy () {
if (app != null) {
try {
app.stop ();
} catch (Exception x) {
System.err.println ("Error shutting down app "+app.getName()+": ");
x.printStackTrace ();
}
}
app = null;
}
void invalidateApp (String appID) {
@ -57,7 +83,7 @@ public class StandaloneServletClient extends AbstractServletClient {
String getRequestPath (String path) {
// get request path
if (path != null)
return trim (path);
return trim (path);
else
return "";
}
@ -85,23 +111,8 @@ public class StandaloneServletClient extends AbstractServletClient {
}
}