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|
package imap
import (
"fmt"
"github.com/Necoro/feed2imap-go/pkg/config"
"github.com/Necoro/feed2imap-go/pkg/log"
)
func Connect(url config.Url, maxConnections int) (*Client, error) {
var err error
client := newClient(maxConnections)
client.host = url.Host
defer func() {
if err != nil {
client.Disconnect()
}
}()
client.startCommander()
var conn *connection // the main connection
if conn, err = client.connect(url); err != nil {
return nil, err
}
delim, err := conn.fetchDelimiter()
if err != nil {
return nil, fmt.Errorf("fetching delimiter: %w", err)
}
client.delimiter = delim
client.toplevel = client.folderName(url.RootPath())
log.Printf("Determined '%s' as toplevel, with '%s' as delimiter", client.toplevel, client.delimiter)
if !client.toplevel.IsBlank() {
if err = conn.ensureFolder(client.toplevel); err != nil {
return nil, err
}
}
// the other connections
for i := 1; i < client.maxConnections; i++ {
go func(id int) {
if _, err := client.connect(url); err != nil { // explicitly new var 'err', b/c these are now harmless
log.Warnf("connecting #%d: %s", id, err)
}
}(i)
}
return client, nil
}
|
