Initial commit

2026-08-30 15:23:57 +02:00
commit dab5679098
1293 changed files with 240952 additions and 0 deletions
@@ -0,0 +1,79 @@
+//  SPDX-License-Identifier: LGPL-2.1-or-later
+//  Copyright (c) 2015-2024 MariaDB Corporation Ab
+
+'use strict';
+
+class ConnectionInformation {
+  #redirectFct;
+  constructor(opts, redirectFct) {
+    this.threadId = -1;
+    this.status = null;
+    this.serverVersion = null;
+    this.serverCapabilities = null;
+    this.database = opts.database;
+    this.port = opts.port;
+    this.#redirectFct = redirectFct;
+    this.redirectRequest = null;
+  }
+
+  hasMinVersion(major, minor, patch) {
+    if (!this.serverVersion) throw new Error('cannot know if server version until connection is established');
+
+    if (!major) throw new Error('a major version must be set');
+
+    if (!minor) minor = 0;
+    if (!patch) patch = 0;
+
+    let ver = this.serverVersion;
+    return (
+      ver.major > major ||
+      (ver.major === major && ver.minor > minor) ||
+      (ver.major === major && ver.minor === minor && ver.patch >= patch)
+    );
+  }
+
+  redirect(value, resolve) {
+    return this.#redirectFct(value, resolve);
+  }
+
+  isMariaDB() {
+    if (!this.serverVersion) throw new Error('cannot know if server is MariaDB until connection is established');
+    return this.serverVersion.mariaDb;
+  }
+
+  /**
+   * Parse raw info to set server major/minor/patch values
+   * @param info
+   */
+  static parseVersionString(info) {
+    let car;
+    let offset = 0;
+    let type = 0;
+    let val = 0;
+
+    for (; offset < info.serverVersion.raw.length; offset++) {
+      car = info.serverVersion.raw.charCodeAt(offset);
+      if (car < 48 || car > 57) {
+        switch (type) {
+          case 0:
+            info.serverVersion.major = val;
+            break;
+          case 1:
+            info.serverVersion.minor = val;
+            break;
+          case 2:
+            info.serverVersion.patch = val;
+            return;
+        }
+        type++;
+        val = 0;
+      } else {
+        val = val * 10 + car - 48;
+      }
+    }
+    //serverVersion finished by number like "5.5.57", assign patchVersion
+    if (type === 2) info.serverVersion.patch = val;
+  }
+}
+
+export default ConnectionInformation;