diff options
Diffstat (limited to 'vendor/github.com/gliderlabs/ssh/conn.go')
-rw-r--r-- | vendor/github.com/gliderlabs/ssh/conn.go | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/vendor/github.com/gliderlabs/ssh/conn.go b/vendor/github.com/gliderlabs/ssh/conn.go new file mode 100644 index 0000000000..ebef8845ba --- /dev/null +++ b/vendor/github.com/gliderlabs/ssh/conn.go @@ -0,0 +1,55 @@ +package ssh + +import ( + "context" + "net" + "time" +) + +type serverConn struct { + net.Conn + + idleTimeout time.Duration + maxDeadline time.Time + closeCanceler context.CancelFunc +} + +func (c *serverConn) Write(p []byte) (n int, err error) { + c.updateDeadline() + n, err = c.Conn.Write(p) + if _, isNetErr := err.(net.Error); isNetErr && c.closeCanceler != nil { + c.closeCanceler() + } + return +} + +func (c *serverConn) Read(b []byte) (n int, err error) { + c.updateDeadline() + n, err = c.Conn.Read(b) + if _, isNetErr := err.(net.Error); isNetErr && c.closeCanceler != nil { + c.closeCanceler() + } + return +} + +func (c *serverConn) Close() (err error) { + err = c.Conn.Close() + if c.closeCanceler != nil { + c.closeCanceler() + } + return +} + +func (c *serverConn) updateDeadline() { + switch { + case c.idleTimeout > 0: + idleDeadline := time.Now().Add(c.idleTimeout) + if idleDeadline.Unix() < c.maxDeadline.Unix() || c.maxDeadline.IsZero() { + c.Conn.SetDeadline(idleDeadline) + return + } + fallthrough + default: + c.Conn.SetDeadline(c.maxDeadline) + } +} |