mirror of
https://github.com/cwinfo/yggdrasil-go.git
synced 2024-11-22 14:10:28 +00:00
Start JSON-ifying the admin socket
This commit is contained in:
parent
89b7be1409
commit
a6ef7166ea
@ -2,8 +2,10 @@ package yggdrasil
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import "net"
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import "net"
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import "os"
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import "os"
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import "bytes"
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// import "bytes"
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import "encoding/hex"
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import "encoding/hex"
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import "encoding/json"
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import "errors"
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import "errors"
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import "fmt"
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import "fmt"
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import "net/url"
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import "net/url"
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@ -22,126 +24,167 @@ type admin struct {
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handlers []admin_handlerInfo
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handlers []admin_handlerInfo
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}
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}
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type admin_info map[string]interface{}
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type admin_handlerInfo struct {
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type admin_handlerInfo struct {
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name string // Checked against the first word of the api call
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name string // Checked against the first word of the api call
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args []string // List of human-readable argument names
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args []string // List of human-readable argument names
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handler func(*[]byte, ...string) // First arg is pointer to the out slice, rest is args
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handler func(admin_info) (admin_info, error) // First is input map, second is output
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}
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}
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func (a *admin) addHandler(name string, args []string, handler func(*[]byte, ...string)) {
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// Maps things like "IP", "port", "bucket", or "coords" onto strings
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type admin_pair struct {
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key string
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val interface{}
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}
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type admin_nodeInfo []admin_pair
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func (a *admin) addHandler(name string, args []string, handler func(admin_info) (admin_info, error)) {
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a.handlers = append(a.handlers, admin_handlerInfo{name, args, handler})
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a.handlers = append(a.handlers, admin_handlerInfo{name, args, handler})
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}
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}
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func (a *admin) init(c *Core, listenaddr string) {
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func (a *admin) init(c *Core, listenaddr string) {
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a.core = c
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a.core = c
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a.listenaddr = listenaddr
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a.listenaddr = listenaddr
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a.addHandler("help", nil, func(out *[]byte, _ ...string) {
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a.addHandler("help", nil, func(in admin_info) (admin_info, error) {
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handlers := make(map[string][]string)
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for _, handler := range a.handlers {
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for _, handler := range a.handlers {
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tmp := append([]string{handler.name}, handler.args...)
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handlers[handler.name] = handler.args
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*out = append(*out, []byte(strings.Join(tmp, " "))...)
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*out = append(*out, "\n"...)
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}
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}
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return admin_info{"handlers": handlers}, nil
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})
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})
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// TODO? have other parts of the program call to add their own handlers
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a.addHandler("dot", nil, func(in admin_info) (admin_info, error) {
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a.addHandler("dot", nil, func(out *[]byte, _ ...string) {
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return admin_info{"dot": string(a.getResponse_dot())}, nil
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*out = a.getResponse_dot()
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})
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})
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a.addHandler("getSelf", nil, func(out *[]byte, _ ...string) {
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a.addHandler("getSelf", nil, func(in admin_info) (admin_info, error) {
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*out = []byte(a.printInfos([]admin_nodeInfo{*a.getData_getSelf()}))
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return admin_info{"self": a.getData_getSelf().asMap()}, nil
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})
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})
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a.addHandler("getPeers", nil, func(out *[]byte, _ ...string) {
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a.addHandler("getPeers", nil, func(in admin_info) (admin_info, error) {
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*out = []byte(a.printInfos(a.getData_getPeers()))
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sort := "ip"
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})
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peers := make(admin_info)
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a.addHandler("getSwitchPeers", nil, func(out *[]byte, _ ...string) {
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for _, peerdata := range a.getData_getPeers() {
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*out = []byte(a.printInfos(a.getData_getSwitchPeers()))
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p := peerdata.asMap()
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})
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so := fmt.Sprint(p[sort])
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a.addHandler("getDHT", nil, func(out *[]byte, _ ...string) {
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peers[so] = p
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*out = []byte(a.printInfos(a.getData_getDHT()))
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delete(peers[so].(map[string]interface{}), sort)
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})
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a.addHandler("getSessions", nil, func(out *[]byte, _ ...string) {
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*out = []byte(a.printInfos(a.getData_getSessions()))
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})
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a.addHandler("addPeer", []string{"<proto://address:port>"}, func(out *[]byte, saddr ...string) {
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if a.addPeer(saddr[0]) == nil {
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*out = []byte("Adding peer: " + saddr[0] + "\n")
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} else {
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*out = []byte("Failed to add peer: " + saddr[0] + "\n")
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}
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}
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return admin_info{"peers": peers}, nil
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})
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})
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a.addHandler("removePeer", []string{"<port>"}, func(out *[]byte, sport ...string) {
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a.addHandler("getSwitchPeers", nil, func(in admin_info) (admin_info, error) {
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if a.removePeer(sport[0]) == nil {
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sort := "port"
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*out = []byte("Removing peer: " + sport[0] + "\n")
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switchpeers := make(admin_info)
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} else {
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for _, s := range a.getData_getSwitchPeers() {
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*out = []byte("Failed to remove peer: " + sport[0] + "\n")
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p := s.asMap()
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so := fmt.Sprint(p[sort])
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switchpeers[so] = p
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delete(switchpeers[so].(map[string]interface{}), sort)
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}
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}
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return admin_info{"switchpeers": switchpeers}, nil
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})
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})
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a.addHandler("getTunTap", nil, func(out *[]byte, _ ...string) {
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a.addHandler("getDHT", nil, func(in admin_info) (admin_info, error) {
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var info admin_nodeInfo
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sort := "ip"
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defer func() {
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dht := make(admin_info)
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if r := recover(); r != nil {
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for _, d := range a.getData_getDHT() {
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info = admin_nodeInfo{
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p := d.asMap()
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{"Interface name", "none"},
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so := fmt.Sprint(p[sort])
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dht[so] = p
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delete(dht[so].(map[string]interface{}), sort)
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}
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return admin_info{"dht": dht}, nil
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})
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a.addHandler("getSessions", nil, func(in admin_info) (admin_info, error) {
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sort := "ip"
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sessions := make(admin_info)
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for _, s := range a.getData_getSessions() {
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p := s.asMap()
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so := fmt.Sprint(p[sort])
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sessions[so] = p
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delete(sessions[so].(map[string]interface{}), sort)
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}
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return admin_info{"sessions": sessions}, nil
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})
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/*
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a.addHandler("addPeer", []string{"<proto://address:port>"}, func(out *[]byte, saddr ...string) {
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if a.addPeer(saddr[0]) == nil {
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*out = []byte("Adding peer: " + saddr[0] + "\n")
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} else {
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*out = []byte("Failed to add peer: " + saddr[0] + "\n")
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}
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})
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a.addHandler("removePeer", []string{"<port>"}, func(out *[]byte, sport ...string) {
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if a.removePeer(sport[0]) == nil {
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*out = []byte("Removing peer: " + sport[0] + "\n")
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} else {
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*out = []byte("Failed to remove peer: " + sport[0] + "\n")
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}
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})
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a.addHandler("getTunTap", nil, func(out *[]byte, _ ...string) {
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var info admin_nodeInfo
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defer func() {
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if r := recover(); r != nil {
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info = admin_nodeInfo{
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{"Interface name", "none"},
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}
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*out = []byte(a.printInfos([]admin_nodeInfo{info}))
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}
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}()
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info = admin_nodeInfo{
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{"Interface name", a.core.tun.iface.Name()},
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{"TAP mode", strconv.FormatBool(a.core.tun.iface.IsTAP())},
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{"mtu", strconv.Itoa(a.core.tun.mtu)},
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}
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*out = []byte(a.printInfos([]admin_nodeInfo{info}))
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})
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a.addHandler("setTunTap", []string{"<ifname|auto|none>", "[<tun|tap>]", "[<mtu>]"}, func(out *[]byte, ifparams ...string) {
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// Set sane defaults
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iftapmode := false
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ifmtu := 1280
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var err error
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// Check we have enough params for TAP mode
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if len(ifparams) > 1 {
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// Is it a TAP adapter?
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if ifparams[1] == "tap" {
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iftapmode = true
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}
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}
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// Check we have enough params for MTU
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if len(ifparams) > 2 {
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// Make sure the MTU is sane
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ifmtu, err = strconv.Atoi(ifparams[2])
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if err != nil || ifmtu < 1280 || ifmtu > 65535 {
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ifmtu = 1280
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}
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}
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// Start the TUN adapter
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if err := a.startTunWithMTU(ifparams[0], iftapmode, ifmtu); err != nil {
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*out = []byte(fmt.Sprintf("Failed to set TUN: %v\n", err))
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} else {
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info := admin_nodeInfo{
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{"Interface name", ifparams[0]},
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{"TAP mode", strconv.FormatBool(iftapmode)},
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{"mtu", strconv.Itoa(ifmtu)},
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}
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}
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*out = []byte(a.printInfos([]admin_nodeInfo{info}))
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*out = []byte(a.printInfos([]admin_nodeInfo{info}))
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}
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}
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}()
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})
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a.addHandler("getAllowedBoxPubs", nil, func(out *[]byte, _ ...string) {
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info = admin_nodeInfo{
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*out = []byte(a.getAllowedBoxPubs())
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{"Interface name", a.core.tun.iface.Name()},
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})
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{"TAP mode", strconv.FormatBool(a.core.tun.iface.IsTAP())},
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a.addHandler("addAllowedBoxPub", []string{"<boxPubKey>"}, func(out *[]byte, saddr ...string) {
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{"MTU", strconv.Itoa(a.core.tun.mtu)},
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if a.addAllowedBoxPub(saddr[0]) == nil {
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}
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*out = []byte("Adding key: " + saddr[0] + "\n")
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*out = []byte(a.printInfos([]admin_nodeInfo{info}))
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} else {
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})
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*out = []byte("Failed to add key: " + saddr[0] + "\n")
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a.addHandler("setTunTap", []string{"<ifname|auto|none>", "[<tun|tap>]", "[<mtu>]"}, func(out *[]byte, ifparams ...string) {
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// Set sane defaults
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iftapmode := false
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ifmtu := 1280
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var err error
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// Check we have enough params for TAP mode
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if len(ifparams) > 1 {
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// Is it a TAP adapter?
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if ifparams[1] == "tap" {
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iftapmode = true
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}
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}
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}
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})
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// Check we have enough params for MTU
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a.addHandler("removeAllowedBoxPub", []string{"<boxPubKey>"}, func(out *[]byte, sport ...string) {
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if len(ifparams) > 2 {
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if a.removeAllowedBoxPub(sport[0]) == nil {
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// Make sure the MTU is sane
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*out = []byte("Removing key: " + sport[0] + "\n")
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ifmtu, err = strconv.Atoi(ifparams[2])
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} else {
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if err != nil || ifmtu < 1280 || ifmtu > 65535 {
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*out = []byte("Failed to remove key: " + sport[0] + "\n")
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ifmtu = 1280
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}
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}
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}
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})*/
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// Start the TUN adapter
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if err := a.startTunWithMTU(ifparams[0], iftapmode, ifmtu); err != nil {
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*out = []byte(fmt.Sprintf("Failed to set TUN: %v\n", err))
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} else {
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info := admin_nodeInfo{
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{"Interface name", ifparams[0]},
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{"TAP mode", strconv.FormatBool(iftapmode)},
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{"MTU", strconv.Itoa(ifmtu)},
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}
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*out = []byte(a.printInfos([]admin_nodeInfo{info}))
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}
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})
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a.addHandler("getAllowedBoxPubs", nil, func(out *[]byte, _ ...string) {
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*out = []byte(a.getAllowedBoxPubs())
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})
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a.addHandler("addAllowedBoxPub", []string{"<boxPubKey>"}, func(out *[]byte, saddr ...string) {
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if a.addAllowedBoxPub(saddr[0]) == nil {
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*out = []byte("Adding key: " + saddr[0] + "\n")
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} else {
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*out = []byte("Failed to add key: " + saddr[0] + "\n")
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}
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})
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a.addHandler("removeAllowedBoxPub", []string{"<boxPubKey>"}, func(out *[]byte, sport ...string) {
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if a.removeAllowedBoxPub(sport[0]) == nil {
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*out = []byte("Removing key: " + sport[0] + "\n")
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} else {
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*out = []byte("Failed to remove key: " + sport[0] + "\n")
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}
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})
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go a.listen()
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go a.listen()
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}
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}
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@ -162,49 +205,69 @@ func (a *admin) listen() {
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}
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}
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func (a *admin) handleRequest(conn net.Conn) {
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func (a *admin) handleRequest(conn net.Conn) {
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buf := make([]byte, 1024)
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defer conn.Close()
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_, err := conn.Read(buf)
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decoder := json.NewDecoder(conn)
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if err != nil {
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encoder := json.NewEncoder(conn)
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a.core.log.Printf("Admin socket failed to read: %v", err)
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encoder.SetIndent("", " ")
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conn.Close()
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recv := make(admin_info)
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send := make(admin_info)
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for {
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if err := decoder.Decode(&recv); err != nil {
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fmt.Println("Admin socket JSON decode error:", err)
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return
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}
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handlers:
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for _, handler := range a.handlers {
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if recv["request"] == handler.name {
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// Check that we have all the required arguments
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for _, arg := range handler.args {
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// An argument in <pointy brackets> is optional and not required,
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// so we can safely ignore those
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if strings.HasPrefix(arg, "<") && strings.HasSuffix(arg, ">") {
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continue
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}
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// Check if the field is missing
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if _, ok := recv[arg]; !ok {
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fmt.Println("Missing required argument", arg)
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send = admin_info{
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"error": "Missing field '" + arg + "'",
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"fields": handler.args,
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}
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break handlers
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}
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}
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// By this point we should have all the fields we need, so call
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// the handler
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response, err := handler.handler(recv)
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if err != nil {
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send = admin_info{
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"request": recv["request"],
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"error": err.Error(),
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}
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} else {
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send = admin_info{
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"request": recv["request"],
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"response": response,
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}
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}
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break
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}
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}
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if err := encoder.Encode(&send); err != nil {
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fmt.Println("Admin socket JSON encode error:", err)
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return
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}
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return
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return
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}
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}
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var out []byte
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buf = bytes.Trim(buf, "\x00\r\n\t")
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call := strings.Split(string(buf), " ")
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var cmd string
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var args []string
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if len(call) > 0 {
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cmd = call[0]
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args = call[1:]
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}
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done := false
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for _, handler := range a.handlers {
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if cmd == handler.name {
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handler.handler(&out, args...)
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done = true
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break
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}
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}
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if !done {
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out = []byte("I didn't understand that!\n")
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}
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_, err = conn.Write(out)
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if err != nil {
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a.core.log.Printf("Admin socket error: %v", err)
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}
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conn.Close()
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}
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}
|
||||||
|
|
||||||
// Maps things like "IP", "port", "bucket", or "coords" onto strings
|
func (n *admin_nodeInfo) asMap() map[string]interface{} {
|
||||||
type admin_pair struct {
|
m := make(map[string]interface{}, len(*n))
|
||||||
key string
|
|
||||||
val string
|
|
||||||
}
|
|
||||||
type admin_nodeInfo []admin_pair
|
|
||||||
|
|
||||||
func (n *admin_nodeInfo) asMap() map[string]string {
|
|
||||||
m := make(map[string]string, len(*n))
|
|
||||||
for _, p := range *n {
|
for _, p := range *n {
|
||||||
m[p.key] = p.val
|
m[p.key] = p.val
|
||||||
}
|
}
|
||||||
@ -303,7 +366,7 @@ func (a *admin) getData_getSelf() *admin_nodeInfo {
|
|||||||
addr := a.core.router.addr
|
addr := a.core.router.addr
|
||||||
coords := table.self.getCoords()
|
coords := table.self.getCoords()
|
||||||
self := admin_nodeInfo{
|
self := admin_nodeInfo{
|
||||||
{"IP", net.IP(addr[:]).String()},
|
{"ip", net.IP(addr[:]).String()},
|
||||||
{"coords", fmt.Sprint(coords)},
|
{"coords", fmt.Sprint(coords)},
|
||||||
}
|
}
|
||||||
return &self
|
return &self
|
||||||
@ -321,11 +384,11 @@ func (a *admin) getData_getPeers() []admin_nodeInfo {
|
|||||||
p := ports[port]
|
p := ports[port]
|
||||||
addr := *address_addrForNodeID(getNodeID(&p.box))
|
addr := *address_addrForNodeID(getNodeID(&p.box))
|
||||||
info := admin_nodeInfo{
|
info := admin_nodeInfo{
|
||||||
{"IP", net.IP(addr[:]).String()},
|
{"ip", net.IP(addr[:]).String()},
|
||||||
{"port", fmt.Sprint(port)},
|
{"port", port},
|
||||||
{"uptime", fmt.Sprint(time.Since(p.firstSeen))},
|
{"uptime", fmt.Sprint(time.Since(p.firstSeen))},
|
||||||
{"bytesSent", fmt.Sprint(atomic.LoadUint64(&p.bytesSent))},
|
{"bytes_sent", atomic.LoadUint64(&p.bytesSent)},
|
||||||
{"bytesRecvd", fmt.Sprint(atomic.LoadUint64(&p.bytesRecvd))},
|
{"bytes_recvd", atomic.LoadUint64(&p.bytesRecvd)},
|
||||||
}
|
}
|
||||||
peerInfos = append(peerInfos, info)
|
peerInfos = append(peerInfos, info)
|
||||||
}
|
}
|
||||||
@ -344,9 +407,9 @@ func (a *admin) getData_getSwitchPeers() []admin_nodeInfo {
|
|||||||
addr := *address_addrForNodeID(getNodeID(&peer.box))
|
addr := *address_addrForNodeID(getNodeID(&peer.box))
|
||||||
coords := elem.locator.getCoords()
|
coords := elem.locator.getCoords()
|
||||||
info := admin_nodeInfo{
|
info := admin_nodeInfo{
|
||||||
{"IP", net.IP(addr[:]).String()},
|
{"ip", net.IP(addr[:]).String()},
|
||||||
{"coords", fmt.Sprint(coords)},
|
{"coords", fmt.Sprint(coords)},
|
||||||
{"port", fmt.Sprint(elem.port)},
|
{"port", elem.port},
|
||||||
}
|
}
|
||||||
peerInfos = append(peerInfos, info)
|
peerInfos = append(peerInfos, info)
|
||||||
}
|
}
|
||||||
@ -363,11 +426,11 @@ func (a *admin) getData_getDHT() []admin_nodeInfo {
|
|||||||
for _, v := range vs {
|
for _, v := range vs {
|
||||||
addr := *address_addrForNodeID(v.getNodeID())
|
addr := *address_addrForNodeID(v.getNodeID())
|
||||||
info := admin_nodeInfo{
|
info := admin_nodeInfo{
|
||||||
{"IP", net.IP(addr[:]).String()},
|
{"ip", net.IP(addr[:]).String()},
|
||||||
{"coords", fmt.Sprint(v.coords)},
|
{"coords", fmt.Sprint(v.coords)},
|
||||||
{"bucket", fmt.Sprint(i)},
|
{"bucket", i},
|
||||||
{"peerOnly", fmt.Sprint(isPeer)},
|
{"peer_only", isPeer},
|
||||||
{"lastSeen", fmt.Sprint(now.Sub(v.recv))},
|
{"last_seen", fmt.Sprint(now.Sub(v.recv))},
|
||||||
}
|
}
|
||||||
infos = append(infos, info)
|
infos = append(infos, info)
|
||||||
}
|
}
|
||||||
@ -386,12 +449,12 @@ func (a *admin) getData_getSessions() []admin_nodeInfo {
|
|||||||
for _, sinfo := range a.core.sessions.sinfos {
|
for _, sinfo := range a.core.sessions.sinfos {
|
||||||
// TODO? skipped known but timed out sessions?
|
// TODO? skipped known but timed out sessions?
|
||||||
info := admin_nodeInfo{
|
info := admin_nodeInfo{
|
||||||
{"IP", net.IP(sinfo.theirAddr[:]).String()},
|
{"ip", net.IP(sinfo.theirAddr[:]).String()},
|
||||||
{"coords", fmt.Sprint(sinfo.coords)},
|
{"coords", fmt.Sprint(sinfo.coords)},
|
||||||
{"MTU", fmt.Sprint(sinfo.getMTU())},
|
{"mtu", sinfo.getMTU()},
|
||||||
{"wasMTUFixed", fmt.Sprint(sinfo.wasMTUFixed)},
|
{"was_mtu_fixed", sinfo.wasMTUFixed},
|
||||||
{"bytesSent", fmt.Sprint(sinfo.bytesSent)},
|
{"bytes_sent", sinfo.bytesSent},
|
||||||
{"bytesRecvd", fmt.Sprint(sinfo.bytesRecvd)},
|
{"bytes_recvd", sinfo.bytesRecvd},
|
||||||
}
|
}
|
||||||
infos = append(infos, info)
|
infos = append(infos, info)
|
||||||
}
|
}
|
||||||
@ -438,18 +501,18 @@ func (a *admin) getResponse_dot() []byte {
|
|||||||
sessions := a.getData_getSessions()
|
sessions := a.getData_getSessions()
|
||||||
// Map of coords onto IP
|
// Map of coords onto IP
|
||||||
m := make(map[string]string)
|
m := make(map[string]string)
|
||||||
m[self["coords"]] = self["IP"]
|
m[self["coords"].(string)] = self["IP"].(string)
|
||||||
for _, peer := range peers {
|
for _, peer := range peers {
|
||||||
p := peer.asMap()
|
p := peer.asMap()
|
||||||
m[p["coords"]] = p["IP"]
|
m[p["coords"].(string)] = p["IP"].(string)
|
||||||
}
|
}
|
||||||
for _, node := range dht {
|
for _, node := range dht {
|
||||||
n := node.asMap()
|
n := node.asMap()
|
||||||
m[n["coords"]] = n["IP"]
|
m[n["coords"].(string)] = n["IP"].(string)
|
||||||
}
|
}
|
||||||
for _, node := range sessions {
|
for _, node := range sessions {
|
||||||
n := node.asMap()
|
n := node.asMap()
|
||||||
m[n["coords"]] = n["IP"]
|
m[n["coords"].(string)] = n["IP"].(string)
|
||||||
}
|
}
|
||||||
|
|
||||||
// Start building a tree from all known nodes
|
// Start building a tree from all known nodes
|
||||||
|
Loading…
Reference in New Issue
Block a user