JDK 17 jdk.httpserver.jmod - HTTP Server Module
JDK 17 jdk.httpserver.jmod is the JMOD file for JDK 17 HTTP Server module.
JDK 17 HTTP Server module compiled class files are stored in \fyicenter\jdk-17.0.5\jmods\jdk.httpserver.jmod.
JDK 17 HTTP Server module compiled class files are also linked and stored in the \fyicenter\jdk-17.0.5\lib\modules JImage file.
JDK 17 HTTP Server module source code files are stored in \fyicenter\jdk-17.0.5\lib\src.zip\jdk.httpserver.
You can click and view the content of each source code file in the list below.
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⏎ sun/net/httpserver/ServerImpl.java
/*
* Copyright (c) 2005, 2022, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*
*
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*
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*
*/
package sun.net.httpserver;
import com.sun.net.httpserver.Filter;
import com.sun.net.httpserver.Headers;
import com.sun.net.httpserver.HttpContext;
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;
import com.sun.net.httpserver.HttpsConfigurator;
import sun.net.httpserver.HttpConnection.State;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLEngine;
import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.System.Logger;
import java.lang.System.Logger.Level;
import java.net.BindException;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.net.URI;
import java.net.URISyntaxException;
import java.nio.channels.CancelledKeyException;
import java.nio.channels.SelectionKey;
import java.nio.channels.Selector;
import java.nio.channels.ServerSocketChannel;
import java.nio.channels.SocketChannel;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
import java.util.Timer;
import java.util.TimerTask;
import java.util.concurrent.Executor;
/**
* Provides implementation for both HTTP and HTTPS
*/
class ServerImpl {
private String protocol;
private boolean https;
private Executor executor;
private HttpsConfigurator httpsConfig;
private SSLContext sslContext;
private ContextList contexts;
private InetSocketAddress address;
private ServerSocketChannel schan;
private Selector selector;
private SelectionKey listenerKey;
private final Set<HttpConnection> idleConnections;
// connections which have been accepted() by the server but which haven't
// yet sent any byte on the connection yet
private final Set<HttpConnection> newlyAcceptedConnections;
private final Set<HttpConnection> allConnections;
/* following two are used to keep track of the times
* when a connection/request is first received
* and when we start to send the response
*/
private final Set<HttpConnection> reqConnections;
private final Set<HttpConnection> rspConnections;
private List<Event> events;
private final Object lolock = new Object();
private volatile boolean finished = false;
private volatile boolean terminating = false;
private boolean bound = false;
private boolean started = false;
private HttpServer wrapper;
// schedule for the timer task that's responsible for idle connection management
static final long IDLE_TIMER_TASK_SCHEDULE = ServerConfig.getIdleTimerScheduleMillis();
static final int MAX_CONNECTIONS = ServerConfig.getMaxConnections();
static final int MAX_IDLE_CONNECTIONS = ServerConfig.getMaxIdleConnections();
// schedule for the timer task that's responsible for request/response timeout management
static final long REQ_RSP_TIMER_SCHEDULE = ServerConfig.getReqRspTimerScheduleMillis();
static final long MAX_REQ_TIME = getTimeMillis(ServerConfig.getMaxReqTime());
static final long MAX_RSP_TIME = getTimeMillis(ServerConfig.getMaxRspTime());
static final boolean reqRspTimeoutEnabled = MAX_REQ_TIME != -1 || MAX_RSP_TIME != -1;
// the maximum idle duration for a connection which is currently idle but has served
// some request in the past
static final long IDLE_INTERVAL = ServerConfig.getIdleIntervalMillis();
// the maximum idle duration for a newly accepted connection which hasn't yet received
// the first byte of data on that connection
static final long NEWLY_ACCEPTED_CONN_IDLE_INTERVAL;
static {
// the idle duration of a newly accepted connection is considered to be the least of the
// configured idle interval and the configured max request time (if any).
NEWLY_ACCEPTED_CONN_IDLE_INTERVAL = MAX_REQ_TIME > 0
? Math.min(IDLE_INTERVAL, MAX_REQ_TIME)
: IDLE_INTERVAL;
}
private Timer timer, timer1;
private final Logger logger;
private Thread dispatcherThread;
ServerImpl (
HttpServer wrapper, String protocol, InetSocketAddress addr, int backlog
) throws IOException {
this.protocol = protocol;
this.wrapper = wrapper;
this.logger = System.getLogger ("com.sun.net.httpserver");
ServerConfig.checkLegacyProperties (logger);
https = protocol.equalsIgnoreCase ("https");
this.address = addr;
contexts = new ContextList();
schan = ServerSocketChannel.open();
if (addr != null) {
ServerSocket socket = schan.socket();
socket.bind (addr, backlog);
bound = true;
}
selector = Selector.open ();
schan.configureBlocking (false);
listenerKey = schan.register (selector, SelectionKey.OP_ACCEPT);
dispatcher = new Dispatcher();
idleConnections = Collections.synchronizedSet (new HashSet<HttpConnection>());
allConnections = Collections.synchronizedSet (new HashSet<HttpConnection>());
reqConnections = Collections.synchronizedSet (new HashSet<HttpConnection>());
rspConnections = Collections.synchronizedSet (new HashSet<HttpConnection>());
newlyAcceptedConnections = Collections.synchronizedSet(new HashSet<>());
timer = new Timer ("idle-timeout-task", true);
timer.schedule (new IdleTimeoutTask(), IDLE_TIMER_TASK_SCHEDULE, IDLE_TIMER_TASK_SCHEDULE);
if (reqRspTimeoutEnabled) {
timer1 = new Timer ("req-rsp-timeout-task", true);
timer1.schedule (new ReqRspTimeoutTask(), REQ_RSP_TIMER_SCHEDULE, REQ_RSP_TIMER_SCHEDULE);
logger.log(Level.DEBUG, "HttpServer request/response timeout task schedule ms: ",
REQ_RSP_TIMER_SCHEDULE);
logger.log (Level.DEBUG, "MAX_REQ_TIME: "+MAX_REQ_TIME);
logger.log (Level.DEBUG, "MAX_RSP_TIME: "+MAX_RSP_TIME);
}
events = new LinkedList<Event>();
logger.log (Level.DEBUG, "HttpServer created "+protocol+" "+ addr);
}
public void bind (InetSocketAddress addr, int backlog) throws IOException {
if (bound) {
throw new BindException ("HttpServer already bound");
}
if (addr == null) {
throw new NullPointerException ("null address");
}
ServerSocket socket = schan.socket();
socket.bind (addr, backlog);
bound = true;
}
public void start () {
if (!bound || started || finished) {
throw new IllegalStateException ("server in wrong state");
}
if (executor == null) {
executor = new DefaultExecutor();
}
dispatcherThread = new Thread(null, dispatcher, "HTTP-Dispatcher", 0, false);
started = true;
dispatcherThread.start();
}
public void setExecutor (Executor executor) {
if (started) {
throw new IllegalStateException ("server already started");
}
this.executor = executor;
}
private static class DefaultExecutor implements Executor {
public void execute (Runnable task) {
task.run();
}
}
public Executor getExecutor () {
return executor;
}
public void setHttpsConfigurator (HttpsConfigurator config) {
if (config == null) {
throw new NullPointerException ("null HttpsConfigurator");
}
if (started) {
throw new IllegalStateException ("server already started");
}
this.httpsConfig = config;
sslContext = config.getSSLContext();
}
public HttpsConfigurator getHttpsConfigurator () {
return httpsConfig;
}
public final boolean isFinishing() {
return finished;
}
public void stop (int delay) {
if (delay < 0) {
throw new IllegalArgumentException ("negative delay parameter");
}
terminating = true;
try { schan.close(); } catch (IOException e) {}
selector.wakeup();
long latest = System.currentTimeMillis() + delay * 1000;
while (System.currentTimeMillis() < latest) {
delay();
if (finished) {
break;
}
}
finished = true;
selector.wakeup();
synchronized (allConnections) {
for (HttpConnection c : allConnections) {
c.close();
}
}
allConnections.clear();
idleConnections.clear();
newlyAcceptedConnections.clear();
timer.cancel();
if (reqRspTimeoutEnabled) {
timer1.cancel();
}
if (dispatcherThread != null && dispatcherThread != Thread.currentThread()) {
try {
dispatcherThread.join();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
logger.log (Level.TRACE, "ServerImpl.stop: ", e);
}
}
}
Dispatcher dispatcher;
public synchronized HttpContextImpl createContext (String path, HttpHandler handler) {
if (handler == null || path == null) {
throw new NullPointerException ("null handler, or path parameter");
}
HttpContextImpl context = new HttpContextImpl (protocol, path, handler, this);
contexts.add (context);
logger.log (Level.DEBUG, "context created: " + path);
return context;
}
public synchronized HttpContextImpl createContext (String path) {
if (path == null) {
throw new NullPointerException ("null path parameter");
}
HttpContextImpl context = new HttpContextImpl (protocol, path, null, this);
contexts.add (context);
logger.log (Level.DEBUG, "context created: " + path);
return context;
}
public synchronized void removeContext (String path) throws IllegalArgumentException {
if (path == null) {
throw new NullPointerException ("null path parameter");
}
contexts.remove (protocol, path);
logger.log (Level.DEBUG, "context removed: " + path);
}
public synchronized void removeContext (HttpContext context) throws IllegalArgumentException {
if (!(context instanceof HttpContextImpl)) {
throw new IllegalArgumentException ("wrong HttpContext type");
}
contexts.remove ((HttpContextImpl)context);
logger.log (Level.DEBUG, "context removed: " + context.getPath());
}
@SuppressWarnings("removal")
public InetSocketAddress getAddress() {
return AccessController.doPrivileged(
new PrivilegedAction<InetSocketAddress>() {
public InetSocketAddress run() {
return
(InetSocketAddress)schan.socket()
.getLocalSocketAddress();
}
});
}
void addEvent (Event r) {
synchronized (lolock) {
events.add (r);
selector.wakeup();
}
}
/* main server listener task */
/**
* The Dispatcher is responsible for accepting any connections and then using those connections
* to processing any incoming requests. A connection is represented as an instance of
* sun.net.httpserver.HttpConnection.
*
* Connection states:
* An instance of HttpConnection goes through the following states:
*
* - NEWLY_ACCEPTED: A connection is marked as newly accepted as soon as the Dispatcher
* accept()s a connection. A newly accepted connection is added to a newlyAcceptedConnections
* collection. A newly accepted connection also gets added to the allConnections collection.
* The newlyAcceptedConnections isn't checked for any size limits, however, if the server is
* configured with a maximum connection limit, then the elements in the
* newlyAcceptedConnections will never exceed that configured limit (no explicit size checks
* are done on the newlyAcceptedConnections collection, since the maximum connection limit
* applies to connections across different connection states). A connection in NEWLY_ACCEPTED
* state is considered idle and is eligible for idle connection management.
*
* - REQUEST: A connection is marked to be in REQUEST state when the request processing starts
* on that connection. This typically happens when the first byte of data is received on a
* NEWLY_ACCEPTED connection or when new data arrives on a connection which was previously
* in IDLE state. When a connection is in REQUEST state, it implies that the connection is
* active and thus isn't eligible for idle connection management. If the server is configured
* with a maximum request timeout, then connections in REQUEST state are eligible
* for Request/Response timeout management.
*
* - RESPONSE: A connection is marked to be in RESPONSE state when the server has finished
* reading the request. A connection is RESPONSE state is considered active and isn't eligible
* for idle connection management. If the server is configured with a maximum response timeout,
* then connections in RESPONSE state are eligible for Request/Response timeout management.
*
* - IDLE: A connection is marked as IDLE when a request/response cycle (successfully) completes
* on that particular connection. Idle connections are held in a idleConnections collection.
* The idleConnections collection is limited in size and the size is decided by a server
* configuration. Connections in IDLE state get added to the idleConnections collection only
* if that collection hasn't reached the configured limit. If a connection has reached IDLE
* state and there's no more room in the idleConnections collection, then such a connection
* gets closed. Connections in idleConnections collection are eligible for idle connection
* management.
*
* Idle connection management:
* A timer task is responsible for closing idle connections. Each connection that is in a state
* which is eligible for idle timeout management (see above section on connection states)
* will have a corresponding idle expiration time associated with it. The idle timeout management
* task will check the expiration time of each such connection against the current time and will
* close the connection if the current time is either equal to or past the expiration time.
*
* Request/Response timeout management:
* The server can be optionally configured with a maximum request timeout and/or maximum response
* timeout. If either of these timeouts have been configured, then an additional timer task is
* run by the server. This timer task is then responsible for closing connections which have
* been in REQUEST or RESPONSE state for a period of time that exceeds the respective configured
* timeouts.
*
* Maximum connection limit management:
* The server can be optionally configured with a maximum connection limit. A value of 0 or
* negative integer is ignored and considered to represent no connection limit. In case of a
* positive integer value, any newly accepted connections will be first checked against the
* current count of established connections (held by the allConnections collection) and if the
* configured limit has reached, then the newly accepted connection will be closed immediately
* (even before setting its state to NEWLY_ACCEPTED or adding it to the newlyAcceptedConnections
* collection).
*
*/
class Dispatcher implements Runnable {
private void handleEvent (Event r) {
ExchangeImpl t = r.exchange;
HttpConnection c = t.getConnection();
try {
if (r instanceof WriteFinishedEvent) {
logger.log(Level.TRACE, "Write Finished");
int exchanges = endExchange();
if (terminating && exchanges == 0) {
finished = true;
}
LeftOverInputStream is = t.getOriginalInputStream();
if (!is.isEOF()) {
t.close = true;
if (c.getState() == State.REQUEST) {
requestCompleted(c);
}
}
responseCompleted (c);
if (t.close || idleConnections.size() >= MAX_IDLE_CONNECTIONS) {
c.close();
allConnections.remove (c);
} else {
if (is.isDataBuffered()) {
/* don't re-enable the interestops, just handle it */
requestStarted (c);
handle (c.getChannel(), c);
} else {
connsToRegister.add (c);
}
}
}
} catch (IOException e) {
logger.log (
Level.TRACE, "Dispatcher (1)", e
);
c.close();
}
}
final LinkedList<HttpConnection> connsToRegister =
new LinkedList<HttpConnection>();
void reRegister (HttpConnection c) {
/* re-register with selector */
try {
SocketChannel chan = c.getChannel();
chan.configureBlocking (false);
SelectionKey key = chan.register (selector, SelectionKey.OP_READ);
key.attach (c);
c.selectionKey = key;
markIdle(c);
} catch (IOException e) {
dprint(e);
logger.log (Level.TRACE, "Dispatcher(8)", e);
c.close();
}
}
public void run() {
while (!finished) {
try {
List<Event> list = null;
synchronized (lolock) {
if (events.size() > 0) {
list = events;
events = new LinkedList<Event>();
}
}
if (list != null) {
for (Event r: list) {
handleEvent (r);
}
}
for (HttpConnection c : connsToRegister) {
reRegister(c);
}
connsToRegister.clear();
selector.select(1000);
/* process the selected list now */
Set<SelectionKey> selected = selector.selectedKeys();
Iterator<SelectionKey> iter = selected.iterator();
while (iter.hasNext()) {
SelectionKey key = iter.next();
iter.remove ();
if (key.equals (listenerKey)) {
if (terminating) {
continue;
}
SocketChannel chan = schan.accept();
// optimist there's a channel
if (chan != null) {
if (MAX_CONNECTIONS > 0 && allConnections.size() >= MAX_CONNECTIONS) {
// we've hit max limit of current open connections, so we go
// ahead and close this connection without processing it
try {
chan.close();
} catch (IOException ignore) {
}
// move on to next selected key
continue;
}
// Set TCP_NODELAY, if appropriate
if (ServerConfig.noDelay()) {
chan.socket().setTcpNoDelay(true);
}
chan.configureBlocking (false);
SelectionKey newkey =
chan.register (selector, SelectionKey.OP_READ);
HttpConnection c = new HttpConnection ();
c.selectionKey = newkey;
c.setChannel (chan);
newkey.attach (c);
markNewlyAccepted(c);
allConnections.add (c);
}
} else {
try {
if (key.isReadable()) {
SocketChannel chan = (SocketChannel)key.channel();
HttpConnection conn = (HttpConnection)key.attachment();
key.cancel();
chan.configureBlocking (true);
if (newlyAcceptedConnections.remove(conn)
|| idleConnections.remove(conn)) {
// was either a newly accepted connection or an idle
// connection. In either case, we mark that the request
// has now started on this connection.
requestStarted(conn);
}
handle (chan, conn);
} else {
assert false : "Unexpected non-readable key:" + key;
}
} catch (CancelledKeyException e) {
handleException(key, null);
} catch (IOException e) {
handleException(key, e);
}
}
}
// call the selector just to process the cancelled keys
selector.selectNow();
} catch (IOException e) {
logger.log (Level.TRACE, "Dispatcher (4)", e);
} catch (Exception e) {
logger.log (Level.TRACE, "Dispatcher (7)", e);
}
}
try {selector.close(); } catch (Exception e) {}
}
private void handleException (SelectionKey key, Exception e) {
HttpConnection conn = (HttpConnection)key.attachment();
if (e != null) {
logger.log (Level.TRACE, "Dispatcher (2)", e);
}
closeConnection(conn);
}
public void handle (SocketChannel chan, HttpConnection conn)
{
try {
Exchange t = new Exchange (chan, protocol, conn);
executor.execute (t);
} catch (HttpError e1) {
logger.log (Level.TRACE, "Dispatcher (4)", e1);
closeConnection(conn);
} catch (IOException e) {
logger.log (Level.TRACE, "Dispatcher (5)", e);
closeConnection(conn);
} catch (Throwable e) {
logger.log (Level.TRACE, "Dispatcher (6)", e);
closeConnection(conn);
}
}
}
static boolean debug = ServerConfig.debugEnabled ();
static synchronized void dprint (String s) {
if (debug) {
System.out.println (s);
}
}
static synchronized void dprint (Exception e) {
if (debug) {
System.out.println (e);
e.printStackTrace();
}
}
Logger getLogger () {
return logger;
}
private void closeConnection(HttpConnection conn) {
conn.close();
allConnections.remove(conn);
switch (conn.getState()) {
case REQUEST:
reqConnections.remove(conn);
break;
case RESPONSE:
rspConnections.remove(conn);
break;
case IDLE:
idleConnections.remove(conn);
break;
case NEWLY_ACCEPTED:
newlyAcceptedConnections.remove(conn);
break;
}
assert !reqConnections.remove(conn);
assert !rspConnections.remove(conn);
assert !idleConnections.remove(conn);
assert !newlyAcceptedConnections.remove(conn);
}
/* per exchange task */
class Exchange implements Runnable {
SocketChannel chan;
HttpConnection connection;
HttpContextImpl context;
InputStream rawin;
OutputStream rawout;
String protocol;
ExchangeImpl tx;
HttpContextImpl ctx;
boolean rejected = false;
Exchange (SocketChannel chan, String protocol, HttpConnection conn) throws IOException {
this.chan = chan;
this.connection = conn;
this.protocol = protocol;
}
public void run () {
/* context will be null for new connections */
logger.log(Level.TRACE, "exchange started");
context = connection.getHttpContext();
boolean newconnection;
SSLEngine engine = null;
String requestLine = null;
SSLStreams sslStreams = null;
try {
if (context != null ) {
this.rawin = connection.getInputStream();
this.rawout = connection.getRawOutputStream();
newconnection = false;
} else {
/* figure out what kind of connection this is */
newconnection = true;
if (https) {
if (sslContext == null) {
logger.log (Level.WARNING,
"SSL connection received. No https context created");
throw new HttpError ("No SSL context established");
}
sslStreams = new SSLStreams (ServerImpl.this, sslContext, chan);
rawin = sslStreams.getInputStream();
rawout = sslStreams.getOutputStream();
engine = sslStreams.getSSLEngine();
connection.sslStreams = sslStreams;
} else {
rawin = new BufferedInputStream(
new Request.ReadStream (
ServerImpl.this, chan
));
rawout = new Request.WriteStream (
ServerImpl.this, chan
);
}
connection.raw = rawin;
connection.rawout = rawout;
}
Request req = new Request (rawin, rawout);
requestLine = req.requestLine();
if (requestLine == null) {
/* connection closed */
logger.log(Level.DEBUG, "no request line: closing");
closeConnection(connection);
return;
}
logger.log(Level.DEBUG, "Exchange request line: {0}", requestLine);
int space = requestLine.indexOf (' ');
if (space == -1) {
reject (Code.HTTP_BAD_REQUEST,
requestLine, "Bad request line");
return;
}
String method = requestLine.substring (0, space);
int start = space+1;
space = requestLine.indexOf(' ', start);
if (space == -1) {
reject (Code.HTTP_BAD_REQUEST,
requestLine, "Bad request line");
return;
}
String uriStr = requestLine.substring (start, space);
URI uri = new URI (uriStr);
start = space+1;
String version = requestLine.substring (start);
Headers headers = req.headers();
/* check key for illegal characters */
for (var k : headers.keySet()) {
if (!isValidHeaderKey(k)) {
reject(Code.HTTP_BAD_REQUEST, requestLine,
"Header key contains illegal characters");
return;
}
}
/* checks for unsupported combinations of lengths and encodings */
if (headers.containsKey("Content-Length") &&
(headers.containsKey("Transfer-encoding") || headers.get("Content-Length").size() > 1)) {
reject(Code.HTTP_BAD_REQUEST, requestLine,
"Conflicting or malformed headers detected");
return;
}
long clen = 0L;
String headerValue = null;
List<String> teValueList = headers.get("Transfer-encoding");
if (teValueList != null && !teValueList.isEmpty()) {
headerValue = teValueList.get(0);
}
if (headerValue != null) {
if (headerValue.equalsIgnoreCase("chunked") && teValueList.size() == 1) {
clen = -1L;
} else {
reject(Code.HTTP_NOT_IMPLEMENTED,
requestLine, "Unsupported Transfer-Encoding value");
return;
}
} else {
headerValue = headers.getFirst("Content-Length");
if (headerValue != null) {
clen = Long.parseLong(headerValue);
if (clen < 0) {
reject(Code.HTTP_BAD_REQUEST, requestLine,
"Illegal Content-Length value");
return;
}
}
if (clen == 0) {
requestCompleted(connection);
}
}
ctx = contexts.findContext (protocol, uri.getPath());
if (ctx == null) {
reject (Code.HTTP_NOT_FOUND,
requestLine, "No context found for request");
return;
}
connection.setContext (ctx);
if (ctx.getHandler() == null) {
reject (Code.HTTP_INTERNAL_ERROR,
requestLine, "No handler for context");
return;
}
tx = new ExchangeImpl (
method, uri, req, clen, connection
);
String chdr = headers.getFirst("Connection");
Headers rheaders = tx.getResponseHeaders();
if (chdr != null && chdr.equalsIgnoreCase ("close")) {
tx.close = true;
}
if (version.equalsIgnoreCase ("http/1.0")) {
tx.http10 = true;
if (chdr == null) {
tx.close = true;
rheaders.set ("Connection", "close");
} else if (chdr.equalsIgnoreCase ("keep-alive")) {
rheaders.set ("Connection", "keep-alive");
int idleSeconds = (int) (ServerConfig.getIdleIntervalMillis() / 1000);
int max=ServerConfig.getMaxIdleConnections();
String val = "timeout="+idleSeconds+", max="+max;
rheaders.set ("Keep-Alive", val);
}
}
if (newconnection) {
connection.setParameters (
rawin, rawout, chan, engine, sslStreams,
sslContext, protocol, ctx, rawin
);
}
/* check if client sent an Expect 100 Continue.
* In that case, need to send an interim response.
* In future API may be modified to allow app to
* be involved in this process.
*/
String exp = headers.getFirst("Expect");
if (exp != null && exp.equalsIgnoreCase ("100-continue")) {
logReply (100, requestLine, null);
sendReply (
Code.HTTP_CONTINUE, false, null
);
}
/* uf is the list of filters seen/set by the user.
* sf is the list of filters established internally
* and which are not visible to the user. uc and sc
* are the corresponding Filter.Chains.
* They are linked together by a LinkHandler
* so that they can both be invoked in one call.
*/
final List<Filter> sf = ctx.getSystemFilters();
final List<Filter> uf = ctx.getFilters();
final Filter.Chain sc = new Filter.Chain(sf, ctx.getHandler());
final Filter.Chain uc = new Filter.Chain(uf, new LinkHandler (sc));
/* set up the two stream references */
tx.getRequestBody();
tx.getResponseBody();
if (https) {
uc.doFilter (new HttpsExchangeImpl (tx));
} else {
uc.doFilter (new HttpExchangeImpl (tx));
}
} catch (IOException e1) {
logger.log (Level.TRACE, "ServerImpl.Exchange (1)", e1);
closeConnection(connection);
} catch (NumberFormatException e2) {
logger.log (Level.TRACE, "ServerImpl.Exchange (2)", e2);
reject (Code.HTTP_BAD_REQUEST,
requestLine, "NumberFormatException thrown");
} catch (URISyntaxException e3) {
logger.log (Level.TRACE, "ServerImpl.Exchange (3)", e3);
reject (Code.HTTP_BAD_REQUEST,
requestLine, "URISyntaxException thrown");
} catch (Exception e4) {
logger.log (Level.TRACE, "ServerImpl.Exchange (4)", e4);
closeConnection(connection);
} catch (Throwable t) {
logger.log(Level.TRACE, "ServerImpl.Exchange (5)", t);
throw t;
}
}
/* used to link to 2 or more Filter.Chains together */
class LinkHandler implements HttpHandler {
Filter.Chain nextChain;
LinkHandler (Filter.Chain nextChain) {
this.nextChain = nextChain;
}
public void handle (HttpExchange exchange) throws IOException {
nextChain.doFilter (exchange);
}
}
void reject (int code, String requestStr, String message) {
rejected = true;
logReply (code, requestStr, message);
sendReply (
code, false, "<h1>"+code+Code.msg(code)+"</h1>"+message
);
closeConnection(connection);
}
void sendReply (
int code, boolean closeNow, String text)
{
try {
StringBuilder builder = new StringBuilder (512);
builder.append ("HTTP/1.1 ")
.append (code).append (Code.msg(code)).append ("\r\n");
if (text != null && text.length() != 0) {
builder.append ("Content-Length: ")
.append (text.length()).append ("\r\n")
.append ("Content-Type: text/html\r\n");
} else {
builder.append ("Content-Length: 0\r\n");
text = "";
}
if (closeNow) {
builder.append ("Connection: close\r\n");
}
builder.append ("\r\n").append (text);
String s = builder.toString();
byte[] b = s.getBytes("ISO8859_1");
rawout.write (b);
rawout.flush();
if (closeNow) {
closeConnection(connection);
}
} catch (IOException e) {
logger.log (Level.TRACE, "ServerImpl.sendReply", e);
closeConnection(connection);
}
}
}
void logReply (int code, String requestStr, String text) {
if (!logger.isLoggable(Level.DEBUG)) {
return;
}
if (text == null) {
text = "";
}
String r;
if (requestStr.length() > 80) {
r = requestStr.substring (0, 80) + "<TRUNCATED>";
} else {
r = requestStr;
}
String message = r + " [" + code + " " +
Code.msg(code) + "] ("+text+")";
logger.log (Level.DEBUG, message);
}
void delay () {
Thread.yield();
try {
Thread.sleep (200);
} catch (InterruptedException e) {}
}
private int exchangeCount = 0;
synchronized void startExchange () {
exchangeCount ++;
}
synchronized int endExchange () {
exchangeCount --;
assert exchangeCount >= 0;
return exchangeCount;
}
HttpServer getWrapper () {
return wrapper;
}
void requestStarted (HttpConnection c) {
c.reqStartedTime = System.currentTimeMillis();
c.setState (State.REQUEST);
reqConnections.add (c);
}
void markIdle(HttpConnection c) {
c.idleStartTime = System.currentTimeMillis();
c.setState(State.IDLE);
idleConnections.add(c);
}
void markNewlyAccepted(HttpConnection c) {
c.idleStartTime = System.currentTimeMillis();
c.setState(State.NEWLY_ACCEPTED);
newlyAcceptedConnections.add(c);
}
// called after a request has been completely read
// by the server. This stops the timer which would
// close the connection if the request doesn't arrive
// quickly enough. It then starts the timer
// that ensures the client reads the response in a timely
// fashion.
void requestCompleted (HttpConnection c) {
State s = c.getState();
assert s == State.REQUEST : "State is not REQUEST ("+s+")";
reqConnections.remove (c);
c.rspStartedTime = System.currentTimeMillis();
rspConnections.add (c);
c.setState (State.RESPONSE);
}
// called after response has been sent
void responseCompleted (HttpConnection c) {
State s = c.getState();
assert s == State.RESPONSE : "State is not RESPONSE ("+s+")";
rspConnections.remove (c);
c.setState (State.IDLE);
}
/**
* Responsible for closing connections that have been idle.
* TimerTask run every CLOCK_TICK ms
*/
class IdleTimeoutTask extends TimerTask {
public void run () {
LinkedList<HttpConnection> toClose = new LinkedList<HttpConnection>();
final long currentTime = System.currentTimeMillis();
synchronized (idleConnections) {
final Iterator<HttpConnection> it = idleConnections.iterator();
while (it.hasNext()) {
final HttpConnection c = it.next();
if (currentTime - c.idleStartTime >= IDLE_INTERVAL) {
toClose.add(c);
it.remove();
}
}
}
// if any newly accepted connection has been idle (i.e. no byte has been sent on that
// connection during the configured idle timeout period) then close it as well
synchronized (newlyAcceptedConnections) {
final Iterator<HttpConnection> it = newlyAcceptedConnections.iterator();
while (it.hasNext()) {
final HttpConnection c = it.next();
if (currentTime - c.idleStartTime >= NEWLY_ACCEPTED_CONN_IDLE_INTERVAL) {
toClose.add(c);
it.remove();
}
}
}
for (HttpConnection c : toClose) {
allConnections.remove(c);
c.close();
if (logger.isLoggable(Level.TRACE)) {
logger.log(Level.TRACE, "Closed idle connection " + c);
}
}
}
}
/**
* Responsible for closing connections which have timed out while in REQUEST or RESPONSE state
*/
class ReqRspTimeoutTask extends TimerTask {
// runs every TIMER_MILLIS
public void run () {
LinkedList<HttpConnection> toClose = new LinkedList<HttpConnection>();
final long currentTime = System.currentTimeMillis();
synchronized (reqConnections) {
if (MAX_REQ_TIME != -1) {
for (HttpConnection c : reqConnections) {
if (currentTime - c.reqStartedTime >= MAX_REQ_TIME) {
toClose.add (c);
}
}
for (HttpConnection c : toClose) {
logger.log (Level.DEBUG, "closing: no request: " + c);
reqConnections.remove (c);
allConnections.remove (c);
c.close();
}
}
}
toClose = new LinkedList<HttpConnection>();
synchronized (rspConnections) {
if (MAX_RSP_TIME != -1) {
for (HttpConnection c : rspConnections) {
if (currentTime - c.rspStartedTime >= MAX_RSP_TIME) {
toClose.add (c);
}
}
for (HttpConnection c : toClose) {
logger.log (Level.DEBUG, "closing: no response: " + c);
rspConnections.remove (c);
allConnections.remove (c);
c.close();
}
}
}
}
}
/*
* Validates a RFC 7230 header-key.
*/
static boolean isValidHeaderKey(String token) {
if (token == null || token.isEmpty()) return false;
boolean isValidChar;
char[] chars = token.toCharArray();
String validSpecialChars = "!#$%&'*+-.^_`|~";
for (char c : chars) {
isValidChar = ((c >= 'a') && (c <= 'z')) ||
((c >= 'A') && (c <= 'Z')) ||
((c >= '0') && (c <= '9'));
if (!isValidChar && validSpecialChars.indexOf(c) == -1) {
return false;
}
}
return true;
}
/**
* Converts and returns the passed {@code secs} as milli seconds. If the passed {@code secs}
* is negative or zero or if the conversion from seconds to milli seconds results in a negative
* number, then this method returns -1.
*/
private static long getTimeMillis(long secs) {
if (secs <= 0) {
return -1;
}
final long milli = secs * 1000;
// this handles potential numeric overflow that may have happened during conversion
return milli > 0 ? milli : -1;
}
}
⏎ sun/net/httpserver/ServerImpl.java
Or download all of them as a single archive file:
File name: jdk.httpserver-17.0.5-src.zip File size: 75844 bytes Release date: 2022-09-13 Download
⇒ JDK 17 jdk.incubator.foreign.jmod - JDK Incubator Foreign
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