61 lines
2 KiB
Go
61 lines
2 KiB
Go
/*
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Copyright 2019 Stellar Project
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in the
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Software without restriction, including without limitation the rights to use, copy,
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modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
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and to permit persons to whom the Software is furnished to do so, subject to the
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following conditions:
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The above copyright notice and this permission notice shall be included in all copies
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or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
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FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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package server
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import (
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"context"
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"errors"
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"github.com/gogo/protobuf/proto"
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"github.com/gomodule/redigo/redis"
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"github.com/sirupsen/logrus"
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v1 "github.com/stellarproject/heimdall/api/v1"
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)
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var (
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// ErrInvalidAuth is returned when an invalid cluster key is specified upon connect
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ErrInvalidAuth = errors.New("invalid cluster key specified")
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)
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// Connect is called when a peer wants to connect to the node
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func (s *Server) Connect(ctx context.Context, req *v1.ConnectRequest) (*v1.ConnectResponse, error) {
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logrus.Debugf("connect request from %s", req.ID)
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key, err := s.getClusterKey(ctx)
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if err != nil {
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return nil, err
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}
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if req.ClusterKey != key {
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return nil, ErrInvalidAuth
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}
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data, err := redis.Bytes(s.local(ctx, "GET", masterKey))
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if err != nil {
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return nil, err
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}
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var master v1.Master
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if err := proto.Unmarshal(data, &master); err != nil {
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return nil, err
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}
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return &v1.ConnectResponse{
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Master: &master,
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}, nil
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}
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