62 lines
1.7 KiB
Go
62 lines
1.7 KiB
Go
package updater
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import (
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"context"
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"fmt"
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"sort"
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"github.com/qdm12/gluetun/internal/constants/vpn"
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"github.com/qdm12/gluetun/internal/models"
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"github.com/qdm12/gluetun/internal/provider/common"
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)
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func (u *Updater) FetchServers(ctx context.Context, minServers int) (
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servers []models.Server, err error,
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) {
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protocols := []string{"ikev2", "tcp", "udp"}
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hts := make(hostToServerData)
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for _, protocol := range protocols {
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apiServers, err := fetchAPIServers(ctx, u.client, protocol)
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if err != nil {
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return nil, fmt.Errorf("fetching %s servers from API: %w", protocol, err)
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}
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for _, apiServer := range apiServers {
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// all hostnames from the protocols TCP, UDP and IKEV2 support Wireguard
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// per https://github.com/qdm12/gluetun-wiki/issues/76#issuecomment-2125420536
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const wgTCP, wgUDP = false, false // ignored
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hts.add(apiServer.hostname, vpn.Wireguard, apiServer.country, apiServer.city, wgTCP, wgUDP)
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tcp := protocol == "tcp"
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udp := protocol == "udp"
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if !tcp && !udp { // not an OpenVPN protocol, for example ikev2
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continue
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}
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hts.add(apiServer.hostname, vpn.OpenVPN, apiServer.country, apiServer.city, tcp, udp)
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}
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}
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hosts := hts.toHostsSlice()
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resolveSettings := parallelResolverSettings(hosts)
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hostToIPs, warnings, err := u.parallelResolver.Resolve(ctx, resolveSettings)
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for _, warning := range warnings {
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u.warner.Warn(warning)
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}
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if err != nil {
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return nil, err
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}
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hts.adaptWithIPs(hostToIPs)
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servers = hts.toServersSlice()
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if len(servers) < minServers {
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return nil, fmt.Errorf("%w: %d and expected at least %d",
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common.ErrNotEnoughServers, len(servers), minServers)
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}
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sort.Sort(models.SortableServers(servers))
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return servers, nil
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}
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