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add changes for mercury

This commit is contained in:
Asim
2015-12-16 01:18:05 +00:00
parent ed75f84584
commit 271b827aa9
3 changed files with 19 additions and 9 deletions

View File

@ -32,6 +32,7 @@ var errShutdown = errors.New("connection is shut down")
// call represents an active RPC.
type call struct {
Service string
ServiceMethod string // The name of the service and method to call.
Args interface{} // The argument to the function (*struct).
Reply interface{} // The reply from the function (*struct for single, chan * struct for streaming).
@ -65,6 +66,7 @@ type clientCodec interface {
}
type request struct {
Service string
ServiceMethod string // format: "Service.Method"
Seq uint64 // sequence number chosen by client
next *request // for free list in Server
@ -95,6 +97,7 @@ func (client *client) send(call *call) {
client.mutex.Unlock()
// Encode and send the request.
client.request.Service = call.Service
client.request.Seq = seq
client.request.ServiceMethod = call.ServiceMethod
err := client.codec.WriteRequest(&client.request, call.Args)
@ -241,12 +244,13 @@ func (client *client) Close() error {
// the invocation. The done channel will signal when the call is complete by returning
// the same call object. If done is nil, Go will allocate a new channel.
// If non-nil, done must be buffered or Go will deliberately crash.
func (client *client) Go(ctx context.Context, serviceMethod string, args interface{}, reply interface{}, done chan *call) *call {
func (client *client) Go(ctx context.Context, service, serviceMethod string, args interface{}, reply interface{}, done chan *call) *call {
span := trace.NewSpanFromContext(ctx)
span.StartClient(serviceMethod)
defer span.Finish()
cal := new(call)
cal.Service = service
cal.ServiceMethod = serviceMethod
cal.Args = args
cal.Reply = reply
@ -268,7 +272,7 @@ func (client *client) Go(ctx context.Context, serviceMethod string, args interfa
// StreamGo invokes the streaming function asynchronously. It returns the call structure representing
// the invocation.
func (client *client) StreamGo(serviceMethod string, args interface{}, replyStream interface{}) *call {
func (client *client) StreamGo(service string, serviceMethod string, args interface{}, replyStream interface{}) *call {
// first check the replyStream object is a stream of pointers to a data structure
typ := reflect.TypeOf(replyStream)
// FIXME: check the direction of the channel, maybe?
@ -278,6 +282,7 @@ func (client *client) StreamGo(serviceMethod string, args interface{}, replyStre
}
call := new(call)
call.Service = service
call.ServiceMethod = serviceMethod
call.Args = args
call.Reply = replyStream
@ -288,7 +293,7 @@ func (client *client) StreamGo(serviceMethod string, args interface{}, replyStre
}
// call invokes the named function, waits for it to complete, and returns its error status.
func (client *client) Call(ctx context.Context, serviceMethod string, args interface{}, reply interface{}) error {
call := <-client.Go(ctx, serviceMethod, args, reply, make(chan *call, 1)).Done
func (client *client) Call(ctx context.Context, service string, serviceMethod string, args interface{}, reply interface{}) error {
call := <-client.Go(ctx, service, serviceMethod, args, reply, make(chan *call, 1)).Done
return call.Error
}