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mirror of https://github.com/Sagit-chu/flvx.git synced 2026-10-07 10:16:38 +08:00
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feat: add custom IP selection for nodes, tunnels, and forwards

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- Add extra_ips field to nodes for multi-IP servers
- Add connect_ip field to chain_tunnel for specifying connection address
- Add in_ip field to forward_port for specifying listen address
- Frontend: add UI controls for extra IPs on node form
- Frontend: add connect IP input for tunnel chain nodes
- Frontend: add listen IP input for forward form
- Backend: resolve forward ingress with custom listen IP priority

Entire-Checkpoint: 557563462c16
This commit is contained in:
sagitchu
2026-03-03 08:24:15 +08:00
parent 15e4508be4
commit b8193417f5
10 changed files with 255 additions and 87 deletions
Download Patch File Download Diff File Expand all files Collapse all files
go-backend/internal/http/handler/dual_stack_test.go
+38 -35
View File
@@ -8,9 +8,25 @@ import (
// nodeSupportsV4 / nodeSupportsV6
// ---------------------------------------------------------------------------
func TestNodeSupportsV4_Nil(t *testing.T) {
if nodeSupportsV4(nil) {
t.Fatal("nil node must not support v4")
func TestSelectTunnelDialHost_ConnectIpPriority(t *testing.T) {
from := dualStackNode("from", "10.0.0.1", "2001:db8::1")
to := dualStackNode("to", "10.0.0.2", "2001:db8::2")
// Empty connectIp should be ignored, IP preference takes effect
host, err := selectTunnelDialHost(from, to, "", "")
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if host != "10.0.0.2" {
t.Fatalf("empty connectIp should be ignored (v4 preference applies), got %q", host)
}
// Non-empty connectIp should override IP preference
host, err = selectTunnelDialHost(from, to, "v6", "192.168.0.3")
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if host != "192.168.0.3" {
t.Fatalf("connectIp should override v6 preference, got %q", host)
}
}
@@ -23,14 +39,14 @@ func TestNodeSupportsV6_Nil(t *testing.T) {
func TestNodeSupportsV4_ExplicitV4(t *testing.T) {
n := &nodeRecord{ServerIPv4: "10.0.0.1"}
if !nodeSupportsV4(n) {
t.Fatal("explicit server_ip_v4 must support v4")
t.Fatal("explicit server_ip_v4 needs support v4")
}
}
func TestNodeSupportsV6_ExplicitV6(t *testing.T) {
n := &nodeRecord{ServerIPv6: "2001:db8::1"}
if !nodeSupportsV6(n) {
t.Fatal("explicit server_ip_v6 must support v6")
t.Fatal("explicit server_ip_v6 needs support v6")
}
}
@@ -68,7 +84,7 @@ func TestNodeSupportsV4_LegacyV4Only(t *testing.T) {
t.Fatal("legacy v4 ip in server_ip must support v4")
}
if nodeSupportsV6(n) {
t.Fatal("legacy v4 ip in server_ip must not support v6")
t.Fatal("legacy v4 ip in server_ip should not support v6")
}
}
@@ -78,7 +94,7 @@ func TestNodeSupportsV6_LegacyV6Only(t *testing.T) {
t.Fatal("legacy v6 ip in server_ip must support v6")
}
if nodeSupportsV4(n) {
t.Fatal("legacy v6 ip in server_ip must not support v4")
t.Fatal("legacy v6 ip in server_ip should not support v4")
}
}
@@ -177,15 +193,15 @@ func v6OnlyNode(name, v6 string) *nodeRecord {
}
func TestSelectTunnelDialHost_NilNodes(t *testing.T) {
_, err := selectTunnelDialHost(nil, nil, "")
_, err := selectTunnelDialHost(nil, nil, "", "")
if err == nil {
t.Fatal("expected error for nil nodes")
}
_, err = selectTunnelDialHost(dualStackNode("a", "1.1.1.1", "::1"), nil, "")
_, err = selectTunnelDialHost(dualStackNode("a", "1.1.1.1", "::1"), nil, "", "")
if err == nil {
t.Fatal("expected error for nil toNode")
}
_, err = selectTunnelDialHost(nil, dualStackNode("b", "1.1.1.1", "::1"), "")
_, err = selectTunnelDialHost(nil, dualStackNode("b", "1.1.1.1", "::1"), "", "")
if err == nil {
t.Fatal("expected error for nil fromNode")
}
@@ -194,8 +210,7 @@ func TestSelectTunnelDialHost_NilNodes(t *testing.T) {
func TestSelectTunnelDialHost_DualStack_DefaultPreference(t *testing.T) {
from := dualStackNode("from", "10.0.0.1", "2001:db8::1")
to := dualStackNode("to", "10.0.0.2", "2001:db8::2")
host, err := selectTunnelDialHost(from, to, "")
host, err := selectTunnelDialHost(from, to, "", "")
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
@@ -208,8 +223,7 @@ func TestSelectTunnelDialHost_DualStack_DefaultPreference(t *testing.T) {
func TestSelectTunnelDialHost_DualStack_PreferV4(t *testing.T) {
from := dualStackNode("from", "10.0.0.1", "2001:db8::1")
to := dualStackNode("to", "10.0.0.2", "2001:db8::2")
host, err := selectTunnelDialHost(from, to, "v4")
host, err := selectTunnelDialHost(from, to, "v4", "")
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
@@ -221,8 +235,7 @@ func TestSelectTunnelDialHost_DualStack_PreferV4(t *testing.T) {
func TestSelectTunnelDialHost_DualStack_PreferV6(t *testing.T) {
from := dualStackNode("from", "10.0.0.1", "2001:db8::1")
to := dualStackNode("to", "10.0.0.2", "2001:db8::2")
host, err := selectTunnelDialHost(from, to, "v6")
host, err := selectTunnelDialHost(from, to, "v6", "")
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
@@ -234,9 +247,8 @@ func TestSelectTunnelDialHost_DualStack_PreferV6(t *testing.T) {
func TestSelectTunnelDialHost_V4Only_PreferV6Fallback(t *testing.T) {
from := v4OnlyNode("from", "10.0.0.1")
to := v4OnlyNode("to", "10.0.0.2")
// User prefers v6, but both nodes are v4-only — should fallback to v4
host, err := selectTunnelDialHost(from, to, "v6")
host, err := selectTunnelDialHost(from, to, "v6", "")
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
@@ -248,9 +260,8 @@ func TestSelectTunnelDialHost_V4Only_PreferV6Fallback(t *testing.T) {
func TestSelectTunnelDialHost_V6Only_PreferV4Fallback(t *testing.T) {
from := v6OnlyNode("from", "2001:db8::1")
to := v6OnlyNode("to", "2001:db8::2")
// User prefers v4, but both nodes are v6-only — should fallback to v6
host, err := selectTunnelDialHost(from, to, "v4")
host, err := selectTunnelDialHost(from, to, "v4", "")
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
@@ -262,8 +273,7 @@ func TestSelectTunnelDialHost_V6Only_PreferV4Fallback(t *testing.T) {
func TestSelectTunnelDialHost_Incompatible(t *testing.T) {
from := v4OnlyNode("from", "10.0.0.1")
to := v6OnlyNode("to", "2001:db8::2")
_, err := selectTunnelDialHost(from, to, "")
_, err := selectTunnelDialHost(from, to, "", "")
if err == nil {
t.Fatal("expected error for incompatible nodes (v4-only -> v6-only)")
}
@@ -272,8 +282,7 @@ func TestSelectTunnelDialHost_Incompatible(t *testing.T) {
func TestSelectTunnelDialHost_Incompatible_Reverse(t *testing.T) {
from := v6OnlyNode("from", "2001:db8::1")
to := v4OnlyNode("to", "10.0.0.2")
_, err := selectTunnelDialHost(from, to, "")
_, err := selectTunnelDialHost(from, to, "", "")
if err == nil {
t.Fatal("expected error for incompatible nodes (v6-only -> v4-only)")
}
@@ -282,9 +291,8 @@ func TestSelectTunnelDialHost_Incompatible_Reverse(t *testing.T) {
func TestSelectTunnelDialHost_WhitespacePreference(t *testing.T) {
from := dualStackNode("from", "10.0.0.1", "2001:db8::1")
to := dualStackNode("to", "10.0.0.2", "2001:db8::2")
// Whitespace should be trimmed, treated as "v6"
host, err := selectTunnelDialHost(from, to, " v6 ")
host, err := selectTunnelDialHost(from, to, " v6 ", "")
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
@@ -296,9 +304,8 @@ func TestSelectTunnelDialHost_WhitespacePreference(t *testing.T) {
func TestSelectTunnelDialHost_MixedStack_FromDualToV4(t *testing.T) {
from := dualStackNode("from", "10.0.0.1", "2001:db8::1")
to := v4OnlyNode("to", "10.0.0.2")
// v6 preferred, but target only has v4 — should succeed with v4
host, err := selectTunnelDialHost(from, to, "v6")
host, err := selectTunnelDialHost(from, to, "v6", "")
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
@@ -310,9 +317,8 @@ func TestSelectTunnelDialHost_MixedStack_FromDualToV4(t *testing.T) {
func TestSelectTunnelDialHost_MixedStack_FromDualToV6(t *testing.T) {
from := dualStackNode("from", "10.0.0.1", "2001:db8::1")
to := v6OnlyNode("to", "2001:db8::2")
// v4 preferred, but target only has v6 — should succeed with v6
host, err := selectTunnelDialHost(from, to, "v4")
host, err := selectTunnelDialHost(from, to, "v4", "")
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
@@ -324,9 +330,8 @@ func TestSelectTunnelDialHost_MixedStack_FromDualToV6(t *testing.T) {
func TestSelectTunnelDialHost_MixedStack_FromV4ToDual(t *testing.T) {
from := v4OnlyNode("from", "10.0.0.1")
to := dualStackNode("to", "10.0.0.2", "2001:db8::2")
// v6 preferred, but from only has v4 — should use v4 (from can only reach v4 of target)
host, err := selectTunnelDialHost(from, to, "v6")
host, err := selectTunnelDialHost(from, to, "v6", "")
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
@@ -338,9 +343,8 @@ func TestSelectTunnelDialHost_MixedStack_FromV4ToDual(t *testing.T) {
func TestSelectTunnelDialHost_MixedStack_FromV6ToDual(t *testing.T) {
from := v6OnlyNode("from", "2001:db8::1")
to := dualStackNode("to", "10.0.0.2", "2001:db8::2")
// v4 preferred, but from only has v6 — should use v6
host, err := selectTunnelDialHost(from, to, "v4")
host, err := selectTunnelDialHost(from, to, "v4", "")
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
@@ -367,7 +371,6 @@ func TestNodeDisplayName_Named(t *testing.T) {
t.Fatalf("expected 'hk-node', got %q", got)
}
}
func TestNodeDisplayName_Unnamed(t *testing.T) {
n := &nodeRecord{ID: 42}
got := nodeDisplayName(n)