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implement client neighbors

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This commit is contained in:
Branden J Brown 2025-03-11 09:58:20 -04:00
parent 68ce8c5f34
commit 85e381f4bd
1 changed files with 30 additions and 1 deletions
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31
chord/httpnode/client.go
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@ -76,5 +76,34 @@ func (cl *Client) Notify(ctx context.Context, n *chord.Node, s chord.Peer) error
// Neighbors requests a peer's beliefs about its own neighbors.
func (cl *Client) Neighbors(ctx context.Context, p chord.Peer) (pred chord.Peer, succ []chord.Peer, err error) {
panic("not implemented") // TODO: Implement
_, addr := p.Values()
if !addr.IsValid() {
return chord.Peer{}, nil, errors.New("Neighbors with invalid peer")
}
url := url.URL{
Scheme: "http",
Host: addr.String(),
Path: path.Join("/", cl.APIBase, "neighbors"),
}
req, err := http.NewRequestWithContext(ctx, "GET", url.String(), nil)
if err != nil {
return chord.Peer{}, nil, err
}
resp, err := cl.HTTP.Do(req)
if err != nil {
return chord.Peer{}, nil, err
}
n, err := readResponse[neighbors](resp)
if err != nil {
return chord.Peer{}, nil, fmt.Errorf("%w (%s)", err, resp.Status)
}
pred = chord.Address(n.Pred)
succ = make([]chord.Peer, 0, len(n.Succ))
for _, addr := range n.Succ {
p := chord.Address(addr)
if p.IsValid() {
succ = append(succ, p)
}
}
return pred, succ, nil
}