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package org.eclipse.tm.internal.tcf.debug.tests;
import java.util.HashSet;
import java.util.Random;
import org.eclipse.tm.tcf.protocol.IChannel;
import org.eclipse.tm.tcf.protocol.IToken;
import org.eclipse.tm.tcf.services.IDiagnostics;
import org.eclipse.tm.tcf.services.IStreams;
class TestStreams implements ITCFTest, IStreams.StreamsListener {
private final TCFTestSuite test_suite;
private final IDiagnostics diag;
private final IStreams streams;
private final Random rnd = new Random();
private final HashSet<String> stream_ids = new HashSet<String>();
private String inp_id;
private String out_id;
private int test_count;
TestStreams(TCFTestSuite test_suite, IChannel channel) {
this.test_suite = test_suite;
diag = channel.getRemoteService(IDiagnostics.class);
streams = channel.getRemoteService(IStreams.class);
}
public void start() {
if (diag == null ||streams == null) {
test_suite.done(this, null);
}
else {
subsrcibe();
}
}
private void subsrcibe() {
streams.subscribe(IDiagnostics.NAME, this, new IStreams.DoneSubscribe() {
public void doneSubscribe(IToken token, Exception error) {
if (error != null) {
exit(error);
}
else {
createStream();
}
}
});
}
private void createStream() {
diag.createTestStreams(1153, 947, new IDiagnostics.DoneCreateTestStreams() {
public void doneCreateTestStreams(IToken token, Throwable error, String inp_id, String out_id) {
if (error != null) {
exit(error);
}
else {
TestStreams.this.inp_id = inp_id;
TestStreams.this.out_id = out_id;
for (String id : stream_ids) {
if (id.equals(inp_id)) continue;
if (id.equals(out_id)) continue;
streams.disconnect(id, new IStreams.DoneDisconnect() {
public void doneDisconnect(IToken token, Exception error) {
if (error != null) {
exit(error);
}
}
});
}
testReadWrite();
}
}
});
}
private void testReadWrite() {
final byte[] data_out = new byte[rnd.nextInt(10000) + 1000];
new Random().nextBytes(data_out);
final HashSet<IToken> cmds = new HashSet<IToken>();
IStreams.DoneRead done_read = new IStreams.DoneRead() {
private int offs = 0;
private boolean eos;
public void doneRead(IToken token, Exception error, int lost_size, byte[] data, boolean eos) {
cmds.remove(token);
if (error != null) {
if (!this.eos) {
exit(error);
return;
}
}
else if (lost_size != 0) {
exit(new Exception("Streams service: unexpected data loss"));
return;
}
else {
if (this.eos) {
if (!eos || data != null && data.length > 0) {
exit(new Exception("Streams service: unexpected successful read after EOS"));
}
}
else {
if (data != null) {
if (offs + data.length > data_out.length) {
exit(new Exception("Streams service: read returns more data then expected"));
return;
}
for (int n = 0; n < data.length; n++) {
if (data[n] != data_out[offs]) {
exit(new Exception("Streams service: data error: " + data[n] + " != " + data_out[offs]));
return;
}
offs++;
}
}
if (eos) {
if (offs != data_out.length) {
exit(new Exception("Streams service: unexpected EOS"));
return;
}
this.eos = true;
}
if (!this.eos && cmds.size() < 8) {
cmds.add(streams.read(out_id, 241, this));
}
}
}
if (cmds.isEmpty()) disposeStreams();
}
};
cmds.add(streams.read(out_id, 223, done_read));
cmds.add(streams.read(out_id, 227, done_read));
cmds.add(streams.read(out_id, 229, done_read));
cmds.add(streams.read(out_id, 233, done_read));
IStreams.DoneWrite done_write = new IStreams.DoneWrite() {
public void doneWrite(IToken token, Exception error) {
if (error != null) exit(error);
}
};
int offs = 0;
while (offs < data_out.length) {
int size = rnd.nextInt(400);
if (size > data_out.length - offs) size = data_out.length - offs;
streams.write(inp_id, data_out, offs, size, done_write);
offs += size;
}
streams.eos(inp_id, new IStreams.DoneEOS() {
public void doneEOS(IToken token, Exception error) {
if (error != null) exit(error);
}
});
}
private void disposeStreams() {
final HashSet<IToken> cmds = new HashSet<IToken>();
IStreams.DoneDisconnect done_disconnect = new IStreams.DoneDisconnect() {
public void doneDisconnect(IToken token, Exception error) {
if (error != null) {
exit(error);
}
else {
cmds.remove(token);
if (cmds.isEmpty()) unsubscribe();
}
}
};
IDiagnostics.DoneDisposeTestStream done_dispose = new IDiagnostics.DoneDisposeTestStream() {
public void doneDisposeTestStream(IToken token, Throwable error) {
if (error != null) {
exit(error);
}
else {
cmds.remove(token);
if (cmds.isEmpty()) unsubscribe();
}
}
};
cmds.add(streams.disconnect(inp_id, done_disconnect));
cmds.add(diag.disposeTestStream(inp_id, done_dispose));
cmds.add(diag.disposeTestStream(out_id, done_dispose));
cmds.add(streams.disconnect(out_id, done_disconnect));
}
private void unsubscribe() {
streams.unsubscribe(IDiagnostics.NAME, this, new IStreams.DoneUnsubscribe() {
public void doneUnsubscribe(IToken token, Exception error) {
if (error != null || test_count >= 10) {
exit(error);
}
else {
test_count++;
stream_ids.clear();
inp_id = null;
out_id = null;
subsrcibe();
}
}
});
}
private void exit(Throwable x) {
if (!test_suite.isActive(this)) return;
test_suite.done(this, x);
}
/************************** StreamsListener **************************/
public void created(String stream_type, String stream_id, String context_id) {
if (!IDiagnostics.NAME.equals(stream_type)) exit(new Exception("Invalid stream type in Streams.created event"));
if (stream_ids.contains(stream_id)) exit(new Exception("Invalid stream ID in Streams.created event"));
stream_ids.add(stream_id);
if (inp_id != null) {
if (inp_id.equals(stream_id)) exit(new Exception("Invalid stream ID in Streams.created event"));
if (out_id.equals(stream_id)) exit(new Exception("Invalid stream ID in Streams.created event"));
streams.disconnect(stream_id, new IStreams.DoneDisconnect() {
public void doneDisconnect(IToken token, Exception error) {
if (error != null) {
exit(error);
}
}
});
}
}
public void disposed(String stream_type, String stream_id) {
if (!IDiagnostics.NAME.equals(stream_type)) exit(new Exception("Invalid stream type in Streams.disposed event"));
if (!stream_ids.remove(stream_id)) exit(new Exception("Invalid stream ID in Streams.disposed event"));
}
}
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