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node_modules/mysql2/lib/packets/register_slave.js

@@ -0,0 +1,46 @@
+'use strict';
+
+// http://dev.mysql.com/doc/internals/en/com-register-slave.html
+// note that documentation is incorrect, for example command code is actually 0x15 but documented as 0x14
+
+const Packet = require('../packets/packet');
+const CommandCodes = require('../constants/commands');
+
+class RegisterSlave {
+  constructor(opts) {
+    this.serverId = opts.serverId || 0;
+    this.slaveHostname = opts.slaveHostname || '';
+    this.slaveUser = opts.slaveUser || '';
+    this.slavePassword = opts.slavePassword || '';
+    this.slavePort = opts.slavePort || 0;
+    this.replicationRank = opts.replicationRank || 0;
+    this.masterId = opts.masterId || 0;
+  }
+
+  toPacket() {
+    const length =
+      15 + // TODO: should be ascii?
+      Buffer.byteLength(this.slaveHostname, 'utf8') +
+      Buffer.byteLength(this.slaveUser, 'utf8') +
+      Buffer.byteLength(this.slavePassword, 'utf8') +
+      3 +
+      4;
+    const buffer = Buffer.allocUnsafe(length);
+    const packet = new Packet(0, buffer, 0, length);
+    packet.offset = 4;
+    packet.writeInt8(CommandCodes.REGISTER_SLAVE);
+    packet.writeInt32(this.serverId);
+    packet.writeInt8(Buffer.byteLength(this.slaveHostname, 'utf8'));
+    packet.writeString(this.slaveHostname);
+    packet.writeInt8(Buffer.byteLength(this.slaveUser, 'utf8'));
+    packet.writeString(this.slaveUser);
+    packet.writeInt8(Buffer.byteLength(this.slavePassword, 'utf8'));
+    packet.writeString(this.slavePassword);
+    packet.writeInt16(this.slavePort);
+    packet.writeInt32(this.replicationRank);
+    packet.writeInt32(this.masterId);
+    return packet;
+  }
+}
+
+module.exports = RegisterSlave;