| // Copyright 2015 The LUCI Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package streamproto |
| |
| var ( |
| // ProtocolFrameHeaderMagic is the number at the beginning of streams that |
| // identifies the stream handshake version. |
| // |
| // This serves two purposes: |
| // - To disambiguate a Butler stream from some happenstance string of bytes |
| // (which probably won't start with these characters). |
| // - To allow an upgrade to the wire format, if one is ever needed. e.g., |
| // a switch to something other than recordio/JSON. |
| ProtocolFrameHeaderMagic = []byte("BTLR1\x1E") |
| ) |
| |
| // LocalNamedPipePath returns the path to a local Windows named pipe named |
| // `base`. This is used with the 'net.pipe' butler protocol. |
| func LocalNamedPipePath(base string) string { |
| return `\\.\pipe\` + base |
| } |
