mirror of
https://github.com/netbirdio/netbird.git
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edf7e2d04d
Shorten over-long godoc/inline comments across the client/ui tray and services code: drop narrative restatement, legacy-Fyne tangents, and text already evident from signatures and names. Keep only the non-obvious why (concurrency/lock ordering, platform quirks, ordering constraints, the profile-switch state table). No code changes.
68 lines
1.6 KiB
Go
68 lines
1.6 KiB
Go
//go:build !android && !ios && !freebsd && !js
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package main
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import (
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"fmt"
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"runtime"
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"strings"
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"sync"
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"time"
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"google.golang.org/grpc"
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"google.golang.org/grpc/backoff"
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"google.golang.org/grpc/credentials/insecure"
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"github.com/netbirdio/netbird/client/proto"
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"github.com/netbirdio/netbird/client/ui/desktop"
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)
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// Conn is the lazy, lock-protected gRPC connection shared by all services so they reuse one channel.
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type Conn struct {
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addr string
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mu sync.Mutex
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client proto.DaemonServiceClient
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}
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func NewConn(addr string) *Conn {
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return &Conn{addr: addr}
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}
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func (c *Conn) Client() (proto.DaemonServiceClient, error) {
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c.mu.Lock()
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defer c.mu.Unlock()
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if c.client != nil {
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return c.client, nil
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}
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cc, err := grpc.NewClient(
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strings.TrimPrefix(c.addr, "tcp://"),
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grpc.WithTransportCredentials(insecure.NewCredentials()),
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grpc.WithUserAgent(desktop.GetUIUserAgent()),
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// Cap reconnect backoff at 5s; gRPC's default 120s MaxDelay would
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// leave the UI waiting 30-60s to notice a freshly-started daemon.
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grpc.WithConnectParams(grpc.ConnectParams{
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Backoff: backoff.Config{
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BaseDelay: 1 * time.Second,
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Multiplier: 1.6,
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Jitter: 0.2,
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MaxDelay: 5 * time.Second,
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},
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}),
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)
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if err != nil {
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return nil, fmt.Errorf("dial daemon: %w", err)
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}
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c.client = proto.NewDaemonServiceClient(cc)
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return c.client, nil
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}
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// DaemonAddr returns the default daemon gRPC address: a Unix socket on Linux/macOS, TCP loopback on Windows.
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func DaemonAddr() string {
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if runtime.GOOS == "windows" {
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return "tcp://127.0.0.1:41731"
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}
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return "unix:///var/run/netbird.sock"
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}
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