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Refactor comments for clarity in client.go

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Simplify comments in `client.go` to improve code documentation. Ensure comments are more descriptive and provide context for the functions they describe, enhancing code readability and maintainability.
This commit is contained in:
Winni Neessen 2024-10-04 23:25:43 +02:00
parent 48b469faf7
commit fbbf17acd0
Signed by: wneessen
GPG key ID: 385AC9889632126E
1 changed files with 8 additions and 7 deletions
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15
client.go
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@ -767,7 +767,9 @@ func (c *Client) DialAndSendWithContext(ctx context.Context, messages ...*Msg) e
return nil
}
// auth will try to perform SMTP AUTH if requested
// auth attempts to authenticate the client using SMTP AUTH mechanisms. It checks the connection, determines
// the supported authentication methods, and applies the appropriate authentication type. Returns an error if
// authentication fails.
func (c *Client) auth() error {
if err := c.checkConn(); err != nil {
return fmt.Errorf("failed to authenticate: %w", err)
@ -940,8 +942,7 @@ func (c *Client) sendSingleMsg(message *Msg) error {
return nil
}
// checkConn makes sure that a required server connection is available and extends the
// connection deadline
// checkConn makes sure that a required server connection is available and extends the connection deadline
func (c *Client) checkConn() error {
if !c.smtpClient.HasConnection() {
return ErrNoActiveConnection
@ -959,13 +960,12 @@ func (c *Client) checkConn() error {
return nil
}
// serverFallbackAddr returns the currently set combination of hostname
// and fallback port.
// serverFallbackAddr returns the currently set combination of hostname and fallback port.
func (c *Client) serverFallbackAddr() string {
return fmt.Sprintf("%s:%d", c.host, c.fallbackPort)
}
// setDefaultHelo retrieves the current hostname and sets it as HELO/EHLO hostname
// setDefaultHelo sets the HELO/EHLO hostname to the local machine's hostname.
func (c *Client) setDefaultHelo() error {
hostname, err := os.Hostname()
if err != nil {
@ -975,7 +975,8 @@ func (c *Client) setDefaultHelo() error {
return nil
}
// tls tries to make sure that the STARTTLS requirements are satisfied
// tls establishes a TLS connection based on the client's TLS policy and configuration.
// Returns an error if no active connection exists or if a TLS error occurs.
func (c *Client) tls() error {
if !c.smtpClient.HasConnection() {
return ErrNoActiveConnection