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lib/connections: Refactor

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1. Removes separate relay lists and relay clients/services, just makes it a listen address
2. Easier plugging-in of other transports
3. Allows "hot" disabling and enabling NAT services
4. Allows "hot" listen address changes
5. Changes listen address list with a preferable "default" value just like for discovery
6. Debounces global discovery announcements as external addresses change (which it might alot upon starting)
7. Stops this whole "pick other peers relay by latency". This information is no longer available,
   but I don't think it matters as most of the time other peer only has one relay.
8. Rename ListenAddress to ListenAddresses, as well as in javascript land.
9. Stop serializing deprecated values to JSON

GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/2982
This commit is contained in:
Audrius Butkevicius
2016-05-04 19:38:12 +00:00
committed by Jakob Borg
parent 09832abe50
commit 674fc566bb
45 changed files with 1683 additions and 1707 deletions
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61
lib/config/config.go
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@@ -11,6 +11,7 @@ import (
"encoding/json"
"encoding/xml"
"io"
"net/url"
"os"
"sort"
"strings"
@@ -26,21 +27,27 @@ const (
)
var (
// DefaultDiscoveryServersV4 should be substituted when the configuration
// contains <globalAnnounceServer>default-v4</globalAnnounceServer>. This is
// DefaultListenAddresses should be substituted when the configuration
// contains <listenAddress>default</listenAddress>. This is
// done by the "consumer" of the configuration, as we don't want these
// saved to the config.
DefaultListenAddresses = []string{
"tcp://0.0.0.0:22000",
"dynamic+https://relays.syncthing.net/endpoint",
}
// DefaultDiscoveryServersV4 should be substituted when the configuration
// contains <globalAnnounceServer>default-v4</globalAnnounceServer>.
DefaultDiscoveryServersV4 = []string{
"https://discovery-v4-1.syncthing.net/?id=SR7AARM-TCBUZ5O-VFAXY4D-CECGSDE-3Q6IZ4G-XG7AH75-OBIXJQV-QJ6NLQA", // 194.126.249.5, Sweden
"https://discovery-v4-2.syncthing.net/?id=DVU36WY-H3LVZHW-E6LLFRE-YAFN5EL-HILWRYP-OC2M47J-Z4PE62Y-ADIBDQC", // 45.55.230.38, USA
"https://discovery-v4-3.syncthing.net/?id=VK6HNJ3-VVMM66S-HRVWSCR-IXEHL2H-U4AQ4MW-UCPQBWX-J2L2UBK-NVZRDQZ", // 128.199.95.124, Singapore
"https://discovery-v4-1.syncthing.net/v2/?id=SR7AARM-TCBUZ5O-VFAXY4D-CECGSDE-3Q6IZ4G-XG7AH75-OBIXJQV-QJ6NLQA", // 194.126.249.5, Sweden
"https://discovery-v4-2.syncthing.net/v2/?id=DVU36WY-H3LVZHW-E6LLFRE-YAFN5EL-HILWRYP-OC2M47J-Z4PE62Y-ADIBDQC", // 45.55.230.38, USA
"https://discovery-v4-3.syncthing.net/v2/?id=VK6HNJ3-VVMM66S-HRVWSCR-IXEHL2H-U4AQ4MW-UCPQBWX-J2L2UBK-NVZRDQZ", // 128.199.95.124, Singapore
}
// DefaultDiscoveryServersV6 should be substituted when the configuration
// contains <globalAnnounceServer>default-v6</globalAnnounceServer>.
DefaultDiscoveryServersV6 = []string{
"https://discovery-v6-1.syncthing.net/?id=SR7AARM-TCBUZ5O-VFAXY4D-CECGSDE-3Q6IZ4G-XG7AH75-OBIXJQV-QJ6NLQA", // 2001:470:28:4d6::5, Sweden
"https://discovery-v6-2.syncthing.net/?id=DVU36WY-H3LVZHW-E6LLFRE-YAFN5EL-HILWRYP-OC2M47J-Z4PE62Y-ADIBDQC", // 2604:a880:800:10::182:a001, USA
"https://discovery-v6-3.syncthing.net/?id=VK6HNJ3-VVMM66S-HRVWSCR-IXEHL2H-U4AQ4MW-UCPQBWX-J2L2UBK-NVZRDQZ", // 2400:6180:0:d0::d9:d001, Singapore
"https://discovery-v6-1.syncthing.net/v2/?id=SR7AARM-TCBUZ5O-VFAXY4D-CECGSDE-3Q6IZ4G-XG7AH75-OBIXJQV-QJ6NLQA", // 2001:470:28:4d6::5, Sweden
"https://discovery-v6-2.syncthing.net/v2/?id=DVU36WY-H3LVZHW-E6LLFRE-YAFN5EL-HILWRYP-OC2M47J-Z4PE62Y-ADIBDQC", // 2604:a880:800:10::182:a001, USA
"https://discovery-v6-3.syncthing.net/v2/?id=VK6HNJ3-VVMM66S-HRVWSCR-IXEHL2H-U4AQ4MW-UCPQBWX-J2L2UBK-NVZRDQZ", // 2400:6180:0:d0::d9:d001, Singapore
}
// DefaultDiscoveryServers should be substituted when the configuration
// contains <globalAnnounceServer>default</globalAnnounceServer>.
@@ -168,7 +175,7 @@ func (cfg *Configuration) prepare(myID protocol.DeviceID) {
}
}
cfg.Options.ListenAddress = util.UniqueStrings(cfg.Options.ListenAddress)
cfg.Options.ListenAddresses = util.UniqueStrings(cfg.Options.ListenAddresses)
cfg.Options.GlobalAnnServers = util.UniqueStrings(cfg.Options.GlobalAnnServers)
if cfg.Version > 0 && cfg.Version < OldestHandledVersion {
@@ -246,6 +253,38 @@ func convertV12V13(cfg *Configuration) {
cfg.Options.NATLeaseM = cfg.Options.DeprecatedUPnPLeaseM
cfg.Options.NATRenewalM = cfg.Options.DeprecatedUPnPRenewalM
cfg.Options.NATTimeoutS = cfg.Options.DeprecatedUPnPTimeoutS
if cfg.Options.DeprecatedRelaysEnabled {
cfg.Options.ListenAddresses = append(cfg.Options.ListenAddresses, cfg.Options.DeprecatedRelayServers...)
// Replace our two fairly long addresses with 'default' if both exist.
var newAddresses []string
for _, addr := range cfg.Options.ListenAddresses {
if addr != "tcp://0.0.0.0:22000" && addr != "dynamic+https://relays.syncthing.net/endpoint" {
newAddresses = append(newAddresses, addr)
}
}
if len(newAddresses)+2 == len(cfg.Options.ListenAddresses) {
cfg.Options.ListenAddresses = append([]string{"default"}, newAddresses...)
}
}
cfg.Options.DeprecatedRelaysEnabled = false
cfg.Options.DeprecatedRelayServers = nil
var newAddrs []string
for _, addr := range cfg.Options.GlobalAnnServers {
if addr != "default" {
uri, err := url.Parse(addr)
if err != nil {
panic(err)
}
uri.Path += "v2/"
addr = uri.String()
}
newAddrs = append(newAddrs, addr)
}
cfg.Options.GlobalAnnServers = newAddrs
cfg.Version = 13
for i, fcfg := range cfg.Folders {
@@ -260,9 +299,9 @@ func convertV12V13(cfg *Configuration) {
func convertV11V12(cfg *Configuration) {
// Change listen address schema
for i, addr := range cfg.Options.ListenAddress {
for i, addr := range cfg.Options.ListenAddresses {
if len(addr) > 0 && !strings.HasPrefix(addr, "tcp://") {
cfg.Options.ListenAddress[i] = util.Address("tcp", addr)
cfg.Options.ListenAddresses[i] = util.Address("tcp", addr)
}
}