mleku
110223fc4e
Replaced legacy `*.orly` module imports with `next.orly.dev/pkg` paths across the codebase for consistency. Removed legacy `go.mod` files from sub-packages, consolidating dependency management. Added Dockerfiles and configurations for benchmarking environments.
80 lines
1.8 KiB
Go
80 lines
1.8 KiB
Go
package ws
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import (
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"context"
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"crypto/tls"
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"errors"
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"fmt"
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"io"
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"net/http"
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"time"
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"lol.mleku.dev/errorf"
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"next.orly.dev/pkg/utils/units"
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ws "github.com/coder/websocket"
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)
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// Connection represents a websocket connection to a Nostr relay.
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type Connection struct {
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conn *ws.Conn
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}
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// NewConnection creates a new websocket connection to a Nostr relay.
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func NewConnection(
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ctx context.Context, url string, reqHeader http.Header,
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tlsConfig *tls.Config,
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) (c *Connection, err error) {
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var conn *ws.Conn
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if conn, _, err = ws.Dial(
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ctx, url, getConnectionOptions(reqHeader, tlsConfig),
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); err != nil {
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return
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}
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conn.SetReadLimit(33 * units.Mb)
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return &Connection{
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conn: conn,
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}, nil
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}
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// WriteMessage writes arbitrary bytes to the websocket connection.
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func (c *Connection) WriteMessage(
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ctx context.Context, data []byte,
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) (err error) {
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if err = c.conn.Write(ctx, ws.MessageText, data); err != nil {
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err = errorf.E("failed to write message: %w", err)
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return
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}
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return nil
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}
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// ReadMessage reads arbitrary bytes from the websocket connection into the provided buffer.
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func (c *Connection) ReadMessage(
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ctx context.Context, buf io.Writer,
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) (err error) {
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var reader io.Reader
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if _, reader, err = c.conn.Reader(ctx); err != nil {
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err = fmt.Errorf("failed to get reader: %w", err)
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return
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}
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if _, err = io.Copy(buf, reader); err != nil {
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err = fmt.Errorf("failed to read message: %w", err)
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return
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}
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return
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}
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// Close closes the websocket connection.
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func (c *Connection) Close() error {
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return c.conn.Close(ws.StatusNormalClosure, "")
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}
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// Ping sends a ping message to the websocket connection.
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func (c *Connection) Ping(ctx context.Context) error {
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ctx, cancel := context.WithTimeoutCause(
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ctx, time.Millisecond*800, errors.New("ping took too long"),
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)
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defer cancel()
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return c.conn.Ping(ctx)
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}
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