80 lines
1.2 KiB
Go
80 lines
1.2 KiB
Go
package server
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import (
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"log"
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"sync"
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"golang.org/x/net/context"
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)
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// Implements the Streamer interface
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type rpcStream struct {
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sync.RWMutex
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seq uint64
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closed bool
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err error
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request Request
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codec serverCodec
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context context.Context
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}
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func (r *rpcStream) Context() context.Context {
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return r.context
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}
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func (r *rpcStream) Request() Request {
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return r.request
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}
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func (r *rpcStream) Send(msg interface{}) error {
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r.Lock()
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defer r.Unlock()
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resp := response{
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ServiceMethod: r.request.Method(),
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Seq: r.seq,
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}
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err := r.codec.WriteResponse(&resp, msg, false)
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if err != nil {
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log.Println("rpc: writing response:", err)
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}
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return err
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}
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func (r *rpcStream) Recv(msg interface{}) error {
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r.Lock()
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defer r.Unlock()
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req := request{}
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if err := r.codec.ReadRequestHeader(&req, false); err != nil {
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// discard body
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r.codec.ReadRequestBody(nil)
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return err
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}
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// we need to stay upto date with sequence numbers
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r.seq = req.Seq
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if err := r.codec.ReadRequestBody(msg); err != nil {
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return err
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}
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return nil
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}
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func (r *rpcStream) Error() error {
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r.RLock()
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defer r.RUnlock()
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return r.err
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}
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func (r *rpcStream) Close() error {
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r.Lock()
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defer r.Unlock()
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r.closed = true
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return r.codec.Close()
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}
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