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Large packet test #71

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92fe117
Large packet test
eed3si9n Nov 29, 2025
715069a
Test only blocking
eed3si9n Nov 29, 2025
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20 changes: 13 additions & 7 deletions src/test/java/org/scalasbt/ipcsocket/BlockingEchoServer.java
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Original file line number Diff line number Diff line change
Expand Up @@ -21,15 +21,21 @@ public void run() throws IOException {
() -> {
try {
clientChannel.configureBlocking(true);
ByteBuffer inBytes = SocketChannels.readAll(clientChannel);
final String line =
new String(inBytes.array(), "UTF-8").replace("\n", "").replace("\r", "");
System.out.println("server: " + line);
Thread.sleep(500);
clientChannel.write(inBytes.duplicate());
String rawLine;
do {
ByteBuffer inBytes = SocketChannels.readAll(clientChannel);
rawLine = new String(inBytes.array(), "UTF-8");
final String line =
rawLine.replace("\n", "").replace("\r", "").replace("\u001a", "");
// System.out.println("server: " + line);
ByteBuffer outBytes = inBytes.duplicate();
do {
clientChannel.write(outBytes);
// System.out.println("server: wrote " + writtenBytes + " bytes");
} while (outBytes.remaining() > 0);
} while (!rawLine.contains("\u001a") && !rawLine.contains("\n"));
} catch (IOException e) {
e.printStackTrace();
} catch (InterruptedException e) {
}
return true;
});
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19 changes: 12 additions & 7 deletions src/test/java/org/scalasbt/ipcsocket/NonBlockingEchoServer.java
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Original file line number Diff line number Diff line change
Expand Up @@ -24,12 +24,18 @@ public void run() throws IOException {
try {
clientChannel.configureBlocking(false);
try {
ByteBuffer inBytes = SocketChannels.readAll(clientChannel, READ_TIMEOUT_MILI);
final String line =
new String(inBytes.array(), "UTF-8").replace("\n", "").replace("\r", "");
System.out.println("server: " + line);
Thread.sleep(500);
clientChannel.write(inBytes.duplicate());
String rawLine;
do {
ByteBuffer inBytes = SocketChannels.readAll(clientChannel, READ_TIMEOUT_MILI);
rawLine = new String(inBytes.array(), "UTF-8");
final String line =
rawLine.replace("\n", "").replace("\r", "").replace("\u001a", "");
// System.out.println("server: " + line);
ByteBuffer outBytes = inBytes.duplicate();
do {
clientChannel.write(outBytes);
} while (outBytes.remaining() > 0);
} while (!rawLine.contains("\u001a") && !rawLine.contains("\n"));
} catch (SocketTimeoutException e) {
// if readAll doesn't complete in READ_TIMEOUT_MILI,
// SocketTimeoutException is thrown
Expand All @@ -38,7 +44,6 @@ public void run() throws IOException {
}
} catch (IOException e) {
e.printStackTrace();
} catch (InterruptedException e) {
}
return true;
});
Expand Down
100 changes: 86 additions & 14 deletions src/test/java/org/scalasbt/ipcsocket/SocketChannelTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,7 @@ public void testNonBlockingEchoServer() throws IOException, InterruptedException
withSocket(
sock -> {
if (isJava17Plus() || ServerSocketChannels.isWin) {
String line = nonBlockingEchoServerTest(sock, 100, 600);
String line = nonBlockingEchoServerTest(sock, "hello", 100, 600);
assertEquals("echo did not return the content", "hello", line);
}
});
Expand All @@ -35,25 +35,60 @@ public void testTimeout() throws IOException, InterruptedException {
withSocket(
sock -> {
if (isJava17Plus() || ServerSocketChannels.isWin) {
String line = nonBlockingEchoServerTest(sock, 6000, 600);
String line = nonBlockingEchoServerTest(sock, "hello", 6000, 600);
assertEquals("echo did not timeout", "<unavailable>", line);
}
});
}

/*
@Test
public void testNonBlockingLargeMessage() throws IOException, InterruptedException {
System.out.println(
"SocketChannelTest#testNonBlockingLargeMessage(" + Boolean.toString(useJNI()) + ")");
withSocket(
sock -> {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < 1024 * 1024; i++) {
sb.append("a");
}
String message = sb.toString();
String line = nonBlockingEchoServerTest(sock, message, 100, 600);
assertEquals("echo did not return the content", message, line);
});
}
*/

/** Test the blocking echo server. */
@Test
public void testBlockingEchoServer() throws IOException, InterruptedException {
System.out.println(
"SocketChannelTest#testBlockingEchoServer(" + Boolean.toString(useJNI()) + ")");
withSocket(
sock -> {
String line = blockingEchoServerTest(sock);
String line = blockingEchoServerTest(sock, "hello");
assertEquals("echo did not return the content", "hello", line);
});
}

private String nonBlockingEchoServerTest(String sock, int sleepBeforeSend, int sleepBeforeReceive)
@Test
public void testBlockingLargeMessage() throws IOException, InterruptedException {
System.out.println(
"SocketChannelTest#testBlockingLargeMessage(" + Boolean.toString(useJNI()) + ")");
withSocket(
sock -> {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < 1024 * 1024; i++) {
sb.append("a");
}
String message = sb.toString();
String line = blockingEchoServerTest(sock, message);
assertEquals("echo did not return the content", message, line);
});
}

private String nonBlockingEchoServerTest(
String sock, String message, int sleepBeforeSend, int sleepBeforeReceive)
throws IOException, InterruptedException {
ServerSocketChannel serverSocket = ServerSocketChannels.newServerSocketChannel(sock, useJNI());
CompletableFuture<Boolean> server =
Expand All @@ -71,19 +106,36 @@ private String nonBlockingEchoServerTest(String sock, int sleepBeforeSend, int s
SocketChannel client = SocketChannels.newSocketChannel(sock.toString(), useJNI());
System.out.println("client: " + client.toString());
Thread.sleep(sleepBeforeSend);
client.write(ByteBuffer.wrap("hello\n".getBytes("UTF-8")));
Thread.sleep(100);
ByteBuffer buf = ByteBuffer.wrap((message + "\n").getBytes("UTF-8"));
client.configureBlocking(false);
CompletableFuture.supplyAsync(
() -> {
try {
do {
int written = client.write(buf);
// System.out.println("client: wrote " + Integer.toString(written) + " bytes");
} while (buf.remaining() > 0);
} catch (IOException e) {
e.printStackTrace();
}
return true;
});
Thread.sleep(100);

String line;
int ready = 0;
ready = SocketChannels.available(client);
System.out.println("client: " + Integer.toString(ready) + " bytes ready");
Thread.sleep(100);
ready = SocketChannels.available(client);
System.out.println("client: " + Integer.toString(ready) + " bytes ready");
Thread.sleep(sleepBeforeReceive);
ready = SocketChannels.available(client);
System.out.println("client: " + Integer.toString(ready) + " bytes ready");
if (ready <= 0) {
Thread.sleep(100);
ready = SocketChannels.available(client);
System.out.println("client: " + Integer.toString(ready) + " bytes ready");
}
if (ready <= 0) {
Thread.sleep(sleepBeforeReceive);
ready = SocketChannels.available(client);
System.out.println("client: " + Integer.toString(ready) + " bytes ready");
}
if (ready > 0) {
try {
line = SocketChannels.readLine(client, 1000);
Expand All @@ -99,7 +151,8 @@ private String nonBlockingEchoServerTest(String sock, int sleepBeforeSend, int s
return line;
}

private String blockingEchoServerTest(String sock) throws IOException, InterruptedException {
private String blockingEchoServerTest(String sock, String message)
throws IOException, InterruptedException {
ServerSocketChannel serverSocket = ServerSocketChannels.newServerSocketChannel(sock, useJNI());
CompletableFuture<Boolean> server =
CompletableFuture.supplyAsync(
Expand All @@ -116,7 +169,26 @@ private String blockingEchoServerTest(String sock) throws IOException, Interrupt
SocketChannel client = SocketChannels.newSocketChannel(sock.toString(), useJNI());
client.configureBlocking(false);
System.out.println("client: " + client.toString());
client.write(ByteBuffer.wrap("hello\n".getBytes("UTF-8")));
ByteBuffer buf = ByteBuffer.wrap((message + "\n").getBytes("UTF-8"));
CompletableFuture.supplyAsync(
() -> {
do {
try {
int written = client.write(buf);
if (written > 0) {
System.out.println("client: wrote " + Integer.toString(written) + " bytes");
} else {
try {
Thread.sleep(1);
} catch (Exception e2) {
}
}
} catch (IOException e) {
e.printStackTrace();
}
} while (buf.remaining() > 0);
return true;
});
Thread.sleep(600);
int readyBytes = 0;
int attempt = 0;
Expand Down
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