# MinIO Grid

The MinIO Grid is a package that provides two-way communication between servers.
It uses a single two-way connection to send and receive messages between servers.

It includes built in muxing of concurrent requests as well as congestion handling for streams.

Requests can be "Single Payload" or "Streamed".

Use the MinIO Grid for:

* Small, frequent requests with low latency requirements.

        // Compress all messages if compression is enabled.
        minimumDeflateSize = 0L,
        webSocketCloseTimeout = RealWebSocket.CANCEL_AFTER_CLOSE_MILLIS,
      )
    val name = "MockWebServer WebSocket ${request.path!!}"
    webSocket.initReaderAndWriter(name, streams)
    try {
      webSocket.loopReader(fancyResponse)

      val statusLine = StatusLine.parse(headersReader.readLine())

      val responseBuilder =
        Response.Builder()
          .protocol(statusLine.protocol)
          .code(statusLine.code)
          .message(statusLine.message)
          .headers(headersReader.readHeaders())
          .trailers { error("trailers not available") }

      return when {
        expectContinue && statusLine.code == HTTP_CONTINUE -> {
          null

Note that clients can actually send three types of messages - requests, ACKs of previous pushes, and NACKs of previous pushes. Unfortunately, these are not clearly distinguished in the API, so there is some logic to split these out (`shouldRespond`).

#### Pushes

```

!!! tip
     `callback_url` 🔢 🔢 ⚙️ Pydantic <a href="https://docs.pydantic.dev/latest/concepts/types/#urls" class="external-link" target="_blank">📛</a> 🆎.

🕴 🆕 👜 `callbacks=messages_callback_router.routes` ❌ *➡ 🛠️ 👨‍🎨*. 👥 🔜 👀 ⚫️❔ 👈 ⏭.

## 🔬 ⏲

☑ ⏲ 📟 🔜 🪀 🙇 🔛 👆 👍 🛠️ 📱.

&amp; ⚫️ 🔜 🎲 🪀 📚 ⚪️➡️ 1️⃣ 📱 ⏭.

⚫️ 💪 1️⃣ ⚖️ 2️⃣ ⏸ 📟, 💖:

```Python

    cat $BATS_TEST_TMPDIR/actual_missing_licenses
  fi

  # Fail if either of the two "extras" or "missing" lists are present. If so,
  # then the user will see the above error messages.
  [[ ! -s $BATS_TEST_TMPDIR/actual_extra_licenses ]] && [[ ! -s $BATS_TEST_TMPDIR/actual_missing_licenses ]]
}

@test "Pip package generated license includes all dependencies' licenses" {
  do_external_licenses_check \

    cat $BATS_TEST_TMPDIR/actual_missing_licenses
  fi

  # Fail if either of the two "extras" or "missing" lists are present. If so,
  # then the user will see the above error messages.
  [[ ! -s $BATS_TEST_TMPDIR/actual_extra_licenses ]] && [[ ! -s $BATS_TEST_TMPDIR/actual_missing_licenses ]]
}

@test "Pip package generated license includes all dependencies' licenses" {
  do_external_licenses_check \

      apply {
        webSocketCloseTimeout = checkDuration("duration", duration)
      }

    /**
     * Sets minimum outbound web socket message size (in bytes) that will be compressed.
     *
     * Set to 0 to enable compression for all outbound messages.
     *
     * 1024 by default.
     */
    fun minWebSocketMessageToCompress(bytes: Long) =
      apply {
        require(bytes >= 0) {

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