Esempio n. 1
0
        internal MQManagedClientException ErrorException(string ChannelName)
        {
            uint method = 0x83;

            this.TrEntry(method, new object[] { ChannelName });
            MQManagedClientException result = null;

            try
            {
                result = ErrorException(this.erd.ReturnCode, this.erd.ErrorData, ChannelName);
            }
            finally
            {
                base.TrExit(method, result);
            }
            return(result);
        }
Esempio n. 2
0
        public MQChannelDefinition GetChannelDefinition(string qmname, ref int pos)
        {
            uint method = 0x2f;

            this.TrEntry(method, new object[] { qmname, (int)pos });
            MQChannelDefinition definition = null;

            try
            {
                if (this.tableStream == null)
                {
                    this.GetStream();
                }
                else
                {
                    this.tableStream.Seek(0L, SeekOrigin.Begin);
                }
                if (this.Readuint(this.tableStream) != 0x52514d41)
                {
                    throw new IOException();
                }
                qmname     = qmname.PadRight(0x30);
                definition = this.FindChannel(this.tableStream, qmname, ref pos);
            }
            catch (MQException)
            {
                throw;
            }
            catch (IOException exception)
            {
                base.TrException(method, exception, 1);
                MQManagedClientException exception2 = new MQManagedClientException(0x20009555, 0, 0, this.mqfile, null, null, 2, 0x8a0);
                throw exception2;
            }
            finally
            {
                base.TrExit(method);
            }
            return(definition);
        }
Esempio n. 3
0
        private void GetStream()
        {
            uint method = 0x30;

            this.TrEntry(method);
            string mqfile = this.mqfile;

            try
            {
                if (this.mqfile.IndexOf("://") == -1)
                {
                    mqfile = "file://" + this.mqfile;
                }
                base.TrText("Channel table URI: '" + mqfile + "'");
                WebResponse response = WebRequest.Create(mqfile).GetResponse();
                if (mqfile.ToLower().StartsWith("http://"))
                {
                    using (response)
                    {
                        byte[]       buffer;
                        int          num2    = 0;
                        int          index   = 0;
                        BinaryReader reader  = new BinaryReader(response.GetResponseStream());
                        byte[]       buffer2 = new byte[0x8000];
                        while ((num2 = reader.Read(buffer2, index, 0x8000)) != 0)
                        {
                            if ((index == 0) && (BitConverter.ToUInt32(buffer2, 0) != 0x52514d41))
                            {
                                throw new IOException();
                            }
                            index += num2;
                            buffer = new byte[index + 0x8000];
                            Buffer.BlockCopy(buffer2, 0, buffer, 0, index);
                            buffer2 = buffer;
                        }
                        buffer = new byte[index];
                        Buffer.BlockCopy(buffer2, 0, buffer, 0, index);
                        this.tableStream = new MemoryStream(buffer);
                        return;
                    }
                }
                this.tableStream = response.GetResponseStream();
            }
            catch (MQException)
            {
                throw;
            }
            catch (WebException exception)
            {
                base.TrException(method, exception, 1);
                MQManagedClientException exception2 = new MQManagedClientException(0x20009518, 0, 0, this.mqfile, null, null, 2, 0x80a);
                throw exception2;
            }
            catch (UriFormatException exception3)
            {
                base.TrException(method, exception3, 2);
                MQManagedClientException exception4 = new MQManagedClientException(0x20009518, 0, 0, mqfile, null, null, 2, 0x80a);
                throw exception4;
            }
            catch (IOException exception5)
            {
                base.TrException(method, exception5, 3);
                MQManagedClientException exception6 = new MQManagedClientException(0x20009555, 0, 0, this.mqfile, null, null, 2, 0x80a);
                throw exception6;
            }
            finally
            {
                base.TrExit(method);
            }
        }
Esempio n. 4
0
        internal IMQCommsBuffer AllocateBuffer(int capacity)
        {
            uint method = 0x6d;

            this.TrEntry(method, new object[] { capacity });
            MQCommsBufferImpl impl = null;

            try
            {
                int num2 = 0;
                IDictionary <int, MQCommsBufferImpl> dictionary = null;
                if (capacity <= 0x400)
                {
                    num2 = 0x400;
                }
                else if (capacity <= 0x800)
                {
                    num2 = 0x800;
                }
                else if (capacity <= 0x1400)
                {
                    num2 = 0x1400;
                }
                else if (capacity <= 0x5000)
                {
                    num2 = 0x5000;
                }
                else
                {
                    num2 = 0x8000;
                }
                switch (num2)
                {
                case 0x1400:
                    dictionary = this.bufferPool_5k;
                    break;

                case 0x5000:
                    dictionary = this.bufferPool_20k;
                    break;

                case 0x8000:
                    dictionary = this.bufferPool_32k;
                    break;

                case 0x400:
                    dictionary = this.bufferPool_1k;
                    break;

                case 0x800:
                    dictionary = this.bufferPool_2k;
                    break;

                default:
                {
                    MQManagedClientException ex = new MQManagedClientException(string.Concat(new object[] { "AllotedSize=", num2, ", AskedSize=", capacity }), 2, 0x893);
                    base.TrException(method, ex);
                    base.throwNewMQException(2, 0x893);
                    break;
                }
                }
                lock (dictionary)
                {
                    foreach (MQCommsBufferImpl impl2 in dictionary.Values)
                    {
                        if ((impl2.Capacity >= capacity) && !impl2.InUse)
                        {
                            impl = impl2;
                            base.TrText(method, string.Concat(new object[] { "Reusing buffer of capacity=", impl.Capacity, "BufferHashcode: ", impl.HashCode }));
                            break;
                        }
                    }
                    if (impl == null)
                    {
                        impl = new MQCommsBufferImpl(this, num2, this.random.Next());
                        base.TrText(method, string.Concat(new object[] { "Alloted a new Buffer of capacity=", num2, "Buffer hashcode =", impl.HashCode }));
                        if (this.currentAllocation < 0x1800000)
                        {
                            try
                            {
                                base.TrText(method, "Current Allocation size = " + ((int)this.currentAllocation));
                                this.currentAllocation += num2;
                                dictionary.Add(impl.HashCode, impl);
                                goto Label_0283;
                            }
                            catch (Exception exception2)
                            {
                                base.TrException(method, exception2);
                                throw exception2;
                            }
                        }
                        base.TrText(method, "Threshold buffer allocations reached, now no more new buffers to pool");
                    }
Label_0283:
                    impl.Reset(true);
                    impl.DataAvailable = 0;
                    impl.DataUsed      = 0;
                }
            }
            finally
            {
                base.TrExit(method);
            }
            return(impl);
        }
Esempio n. 5
0
        internal void FreeBuffer(IMQCommsBuffer iBuffer)
        {
            uint method = 0x6c;

            this.TrEntry(method, new object[] { iBuffer });
            try
            {
                MQCommsBufferImpl impl = (MQCommsBufferImpl)iBuffer;
                IDictionary <int, MQCommsBufferImpl> dictionary = null;
                impl.CheckPool(this);
                impl.IsValid();
                switch (iBuffer.Capacity)
                {
                case 0x1400:
                    if (this.bufferPool_5k.ContainsKey(impl.HashCode))
                    {
                        dictionary = this.bufferPool_5k;
                    }
                    break;

                case 0x5000:
                    if (this.bufferPool_20k.ContainsKey(impl.HashCode))
                    {
                        dictionary = this.bufferPool_20k;
                    }
                    break;

                case 0x8000:
                    if (this.bufferPool_32k.ContainsKey(impl.HashCode))
                    {
                        dictionary = this.bufferPool_32k;
                    }
                    break;

                case 0x400:
                    if (this.bufferPool_1k.ContainsKey(impl.HashCode))
                    {
                        dictionary = this.bufferPool_1k;
                    }
                    break;

                case 0x800:
                    if (this.bufferPool_2k.ContainsKey(impl.HashCode))
                    {
                        dictionary = this.bufferPool_2k;
                    }
                    break;

                default:
                {
                    MQManagedClientException ex = new MQManagedClientException("BufferId=" + impl.HashCode, 2, 0x893);
                    base.TrException(method, ex);
                    base.throwNewMQException(2, 0x893);
                    break;
                }
                }
                if (dictionary != null)
                {
                    lock (dictionary)
                    {
                        impl.UseCount--;
                        if (impl.UseCount == 0)
                        {
                            base.TrText(method, "UseCount on this buffer is found to be 0,Reseting this buffer of capacity " + impl.Capacity);
                            impl.Reset(false);
                        }
                        return;
                    }
                }
                lock (this)
                {
                    impl.UseCount--;
                    if (impl.UseCount == 0)
                    {
                        impl.Dispose(false);
                        impl = null;
                    }
                }
            }
            finally
            {
                base.TrExit(method);
            }
        }