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mirror of https://github.com/cwinfo/yggdrasil-go.git synced 2024-11-26 21:11:36 +00:00

more tcp debugging

This commit is contained in:
Arceliar 2018-06-07 16:49:51 -05:00
parent 63feed8dc3
commit bcfeb22915
3 changed files with 29 additions and 14 deletions

View File

@ -93,7 +93,7 @@ func (r *router) mainLoop() {
// Any periodic maintenance stuff goes here // Any periodic maintenance stuff goes here
r.core.switchTable.doMaintenance() r.core.switchTable.doMaintenance()
r.core.dht.doMaintenance() r.core.dht.doMaintenance()
//r.core.peers.fixSwitchAfterPeerDisconnect() // FIXME makes sure dht peers get added quickly //r.core.peers.sendSwitchMsgs() // FIXME debugging
util_getBytes() // To slowly drain things util_getBytes() // To slowly drain things
} }
case f := <-r.admin: case f := <-r.admin:

View File

@ -223,6 +223,9 @@ func (t *switchTable) removePeer(port switchPort) {
delete(t.data.peers, port) delete(t.data.peers, port)
t.updater.Store(&sync.Once{}) t.updater.Store(&sync.Once{})
// TODO if parent, find a new peer to use as parent instead // TODO if parent, find a new peer to use as parent instead
for _, info := range t.data.peers {
t.unlockedHandleMsg(&info.msg, info.port)
}
} }
func (t *switchTable) cleanDropped() { func (t *switchTable) cleanDropped() {
@ -261,9 +264,13 @@ func (t *switchTable) getMsg() *switchMsg {
} }
func (t *switchTable) handleMsg(msg *switchMsg, fromPort switchPort) { func (t *switchTable) handleMsg(msg *switchMsg, fromPort switchPort) {
// TODO directly use a switchMsg instead of switchMessage + sigs
t.mutex.Lock() t.mutex.Lock()
defer t.mutex.Unlock() defer t.mutex.Unlock()
t.unlockedHandleMsg(msg, fromPort)
}
func (t *switchTable) unlockedHandleMsg(msg *switchMsg, fromPort switchPort) {
// TODO directly use a switchMsg instead of switchMessage + sigs
now := time.Now() now := time.Now()
// Set up the sender peerInfo // Set up the sender peerInfo
var sender peerInfo var sender peerInfo
@ -433,6 +440,7 @@ func (t *switchTable) lookup(dest []byte, ttl uint64) (switchPort, uint64) {
} }
} }
//t.core.log.Println("DEBUG: sending to", best, "bandwidth", getBandwidth(best)) //t.core.log.Println("DEBUG: sending to", best, "bandwidth", getBandwidth(best))
//t.core.log.Println("DEBUG: sending to", best, "cost", bestCost)
return best, uint64(myDist) return best, uint64(myDist)
} }

View File

@ -15,7 +15,6 @@ import "time"
import "errors" import "errors"
import "sync" import "sync"
import "fmt" import "fmt"
import "bufio"
import "golang.org/x/net/proxy" import "golang.org/x/net/proxy"
const tcp_msgSize = 2048 + 65535 // TODO figure out what makes sense const tcp_msgSize = 2048 + 65535 // TODO figure out what makes sense
@ -215,16 +214,7 @@ func (iface *tcpInterface) handler(sock net.Conn, incoming bool) {
} }
out := make(chan []byte, 32) // TODO? what size makes sense out := make(chan []byte, 32) // TODO? what size makes sense
defer close(out) defer close(out)
buf := bufio.NewWriterSize(sock, tcp_msgSize)
send := func(msg []byte) {
msgLen := wire_encode_uint64(uint64(len(msg)))
buf.Write(tcp_msg[:])
buf.Write(msgLen)
buf.Write(msg)
util_putBytes(msg)
}
go func() { go func() {
defer buf.Flush()
var shadow uint64 var shadow uint64
var stack [][]byte var stack [][]byte
put := func(msg []byte) { put := func(msg []byte) {
@ -235,11 +225,29 @@ func (iface *tcpInterface) handler(sock net.Conn, incoming bool) {
shadow++ shadow++
} }
} }
send := func(msg []byte) {
msgLen := wire_encode_uint64(uint64(len(msg)))
buf := net.Buffers{tcp_msg[:], msgLen, msg}
buf.WriteTo(sock)
util_putBytes(msg)
}
timerInterval := 4 * time.Second
timer := time.NewTimer(timerInterval)
defer timer.Stop()
for { for {
for ; shadow > 0; shadow-- { for ; shadow > 0; shadow-- {
p.updateQueueSize(-1) p.updateQueueSize(-1)
} }
timer.Stop()
select { select {
case <-timer.C:
default:
}
timer.Reset(timerInterval)
select {
case _ = <-timer.C:
//iface.core.log.Println("DEBUG: sending keep-alive:", sock.RemoteAddr().String())
send(nil) // TCP keep-alive traffic
case msg := <-p.linkOut: case msg := <-p.linkOut:
send(msg) send(msg)
case msg, ok := <-out: case msg, ok := <-out:
@ -264,7 +272,6 @@ func (iface *tcpInterface) handler(sock net.Conn, incoming bool) {
p.updateQueueSize(-1) p.updateQueueSize(-1)
} }
} }
buf.Flush()
} }
}() }()
p.out = func(msg []byte) { p.out = func(msg []byte) {
@ -298,7 +305,7 @@ func (iface *tcpInterface) reader(sock net.Conn, in func([]byte)) {
bs := make([]byte, 2*tcp_msgSize) bs := make([]byte, 2*tcp_msgSize)
frag := bs[:0] frag := bs[:0]
for { for {
timeout := time.Now().Add(2 * time.Minute) timeout := time.Now().Add(6 * time.Second)
sock.SetReadDeadline(timeout) sock.SetReadDeadline(timeout)
n, err := sock.Read(bs[len(frag):]) n, err := sock.Read(bs[len(frag):])
if err != nil || n == 0 { if err != nil || n == 0 {