Ejemplo n.º 1
0
        public static void EnsureZmqLibrary()
        {
            IntPtr libPtr = Native.LoadLibrary("libzmq");

            if (libPtr == IntPtr.Zero)
            {
                LoadEmbeddedLibary();
            }
        }
Ejemplo n.º 2
0
        private static void LoadEmbeddedLibary()
        {
            var bitnessPath = String.Format("x{0}", Environment.Is64BitProcess ? 64 : 86);

            var    asm          = typeof(Context).Assembly;
            string resourceName = String.Format(
                "Castle.Zmq.Native.lib.{0}.libzmq.dll.gz",
                bitnessPath);

            var dir = String.Format("castle-zmq-{0}", typeof(Context).Assembly.GetName().Version);

            dir = Path.Combine(Path.GetTempPath(), dir);
            dir = Path.Combine(dir, bitnessPath);

            if (!Directory.Exists(dir))
            {
                Directory.CreateDirectory(dir);
            }

            var tempFile = Path.Combine(dir, "libzmq.dll");

            // Try to delete and recreate, in case of file corruption
            if (File.Exists(tempFile))
            {
                try
                {
                    File.Delete(tempFile);
                }
                catch { }                 // Might be in use by another process; likely not corrupted
            }

            if (!File.Exists(tempFile))             // if delete was successful, create it
            {
                using (var stream = asm.GetManifestResourceStream(resourceName))
                    using (var gzip = new GZipStream(stream, CompressionMode.Decompress))
                        using (var file = File.Create(tempFile))
                        {
                            gzip.CopyTo(file);
                            file.Flush(true);
                        }
            }

            IntPtr libPtr = Native.LoadLibrary(tempFile);

            if (libPtr == IntPtr.Zero)
            {
                throw new InvalidOperationException("Unable to load libzmq " + (Environment.Is64BitProcess ? "x64" : "win32") + " from " + tempFile);
            }
        }