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author | Christopher Speller <crspeller@gmail.com> | 2016-05-12 15:08:58 -0400 |
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committer | Christopher Speller <crspeller@gmail.com> | 2016-05-12 16:37:29 -0400 |
commit | 84d2482ddbff9564c9ad75b2d30af66e3ddfd44d (patch) | |
tree | 8bfa567d2b6381f4a996ada2deff8a16aa85a3ac /Godeps/_workspace/src/github.com/pborman/uuid/node.go | |
parent | d1efb66ad7b017f0fbfe6f0c20843b30f396e504 (diff) | |
download | chat-84d2482ddbff9564c9ad75b2d30af66e3ddfd44d.tar.gz chat-84d2482ddbff9564c9ad75b2d30af66e3ddfd44d.tar.bz2 chat-84d2482ddbff9564c9ad75b2d30af66e3ddfd44d.zip |
Updating go depencancies. Switching to go1.6 vendoring (#2949)
Diffstat (limited to 'Godeps/_workspace/src/github.com/pborman/uuid/node.go')
-rw-r--r-- | Godeps/_workspace/src/github.com/pborman/uuid/node.go | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/Godeps/_workspace/src/github.com/pborman/uuid/node.go b/Godeps/_workspace/src/github.com/pborman/uuid/node.go deleted file mode 100644 index dd0a8ac18..000000000 --- a/Godeps/_workspace/src/github.com/pborman/uuid/node.go +++ /dev/null @@ -1,101 +0,0 @@ -// Copyright 2011 Google Inc. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package uuid - -import "net" - -var ( - interfaces []net.Interface // cached list of interfaces - ifname string // name of interface being used - nodeID []byte // hardware for version 1 UUIDs -) - -// NodeInterface returns the name of the interface from which the NodeID was -// derived. The interface "user" is returned if the NodeID was set by -// SetNodeID. -func NodeInterface() string { - return ifname -} - -// SetNodeInterface selects the hardware address to be used for Version 1 UUIDs. -// If name is "" then the first usable interface found will be used or a random -// Node ID will be generated. If a named interface cannot be found then false -// is returned. -// -// SetNodeInterface never fails when name is "". -func SetNodeInterface(name string) bool { - if interfaces == nil { - var err error - interfaces, err = net.Interfaces() - if err != nil && name != "" { - return false - } - } - - for _, ifs := range interfaces { - if len(ifs.HardwareAddr) >= 6 && (name == "" || name == ifs.Name) { - if setNodeID(ifs.HardwareAddr) { - ifname = ifs.Name - return true - } - } - } - - // We found no interfaces with a valid hardware address. If name - // does not specify a specific interface generate a random Node ID - // (section 4.1.6) - if name == "" { - if nodeID == nil { - nodeID = make([]byte, 6) - } - randomBits(nodeID) - return true - } - return false -} - -// NodeID returns a slice of a copy of the current Node ID, setting the Node ID -// if not already set. -func NodeID() []byte { - if nodeID == nil { - SetNodeInterface("") - } - nid := make([]byte, 6) - copy(nid, nodeID) - return nid -} - -// SetNodeID sets the Node ID to be used for Version 1 UUIDs. The first 6 bytes -// of id are used. If id is less than 6 bytes then false is returned and the -// Node ID is not set. -func SetNodeID(id []byte) bool { - if setNodeID(id) { - ifname = "user" - return true - } - return false -} - -func setNodeID(id []byte) bool { - if len(id) < 6 { - return false - } - if nodeID == nil { - nodeID = make([]byte, 6) - } - copy(nodeID, id) - return true -} - -// NodeID returns the 6 byte node id encoded in uuid. It returns nil if uuid is -// not valid. The NodeID is only well defined for version 1 and 2 UUIDs. -func (uuid UUID) NodeID() []byte { - if len(uuid) != 16 { - return nil - } - node := make([]byte, 6) - copy(node, uuid[10:]) - return node -} |