[tor-commits] [goptlib/master] Add an example of using SmethodArgs.

[dcf@xxxxxxxxxxxxxx]

commit f39e775a2933f965d7fc9a673309b502a2420595
Author: David Fifield <david@xxxxxxxxxxxxxxx>
Date:   Sun Dec 8 18:28:54 2013 -0800

    Add an example of using SmethodArgs.
---
 pt.go |   13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/pt.go b/pt.go
index d415480..39e7471 100644
--- a/pt.go
+++ b/pt.go
@@ -262,6 +262,19 @@ func Smethod(name string, addr net.Addr) {
 
 // Emit an SMETHOD line with an ARGS option. args is a nameâ??value mapping that
 // will be added to the server's extrainfo document.
+//
+// This is an example of how to check for a required option:
+// 	args := pt.Args{}
+// 	secret, ok := bindaddr.Options.Get("shared-secret")
+// 	if !ok {
+// 		pt.SmethodError(bindaddr.MethodName, "need a shared-secret option")
+// 		continue
+// 	}
+// 	args.Add("shared-secret", secret)
+// 	pt.SmethodArgs(bindaddr.MethodName, ln.Addr(), args)
+// Or, if you just want to echo back the options provided by Tor from the
+// TransportServerOptions configuration,
+// 	pt.SmethodArgs(bindaddr.MethodName, ln.Addr(), bindaddr.Options)
 func SmethodArgs(name string, addr net.Addr, args Args) {
 	line("SMETHOD", name, addr.String(), "ARGS:"+encodeSmethodArgs(args))
 }

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