Initial commit

node_modules/mongodb/lib/cmap/stream_description.js

@@ -0,0 +1,45 @@
+'use strict';
+const parseServerType = require('../core/sdam/server_description').parseServerType;
+
+const RESPONSE_FIELDS = [
+  'minWireVersion',
+  'maxWireVersion',
+  'maxBsonObjectSize',
+  'maxMessageSizeBytes',
+  'maxWriteBatchSize',
+  '__nodejs_mock_server__'
+];
+
+class StreamDescription {
+  constructor(address, options) {
+    this.address = address;
+    this.type = parseServerType(null);
+    this.minWireVersion = undefined;
+    this.maxWireVersion = undefined;
+    this.maxBsonObjectSize = 16777216;
+    this.maxMessageSizeBytes = 48000000;
+    this.maxWriteBatchSize = 100000;
+    this.compressors =
+      options && options.compression && Array.isArray(options.compression.compressors)
+        ? options.compression.compressors
+        : [];
+  }
+
+  receiveResponse(response) {
+    this.type = parseServerType(response);
+
+    RESPONSE_FIELDS.forEach(field => {
+      if (typeof response[field] !== 'undefined') {
+        this[field] = response[field];
+      }
+    });
+
+    if (response.compression) {
+      this.compressor = this.compressors.filter(c => response.compression.indexOf(c) !== -1)[0];
+    }
+  }
+}
+
+module.exports = {
+  StreamDescription
+};