5
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mirror of https://github.com/cwinfo/yggdrasil-go.git synced 2024-11-09 02:20:27 +00:00

work-in-progress on a new sim

This commit is contained in:
Arceliar 2020-04-26 07:33:03 -05:00
parent 78b5f88e4b
commit 9c818c6278
5 changed files with 168 additions and 1 deletions

2
build
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@ -45,7 +45,7 @@ elif [ $ANDROID ]; then
github.com/yggdrasil-network/yggdrasil-extras/src/mobile \
github.com/yggdrasil-network/yggdrasil-extras/src/dummy
else
for CMD in yggdrasil yggdrasilctl ; do
for CMD in yggdrasil yggdrasilctl yggdrasilsim; do
echo "Building: $CMD"
go build $ARGS -ldflags="$LDFLAGS" -gcflags="$GCFLAGS" ./cmd/$CMD

15
cmd/yggdrasilsim/main.go Normal file
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@ -0,0 +1,15 @@
package main
import (
//"github.com/yggdrasil-network/yggdrasil-go/src/address"
//"github.com/yggdrasil-network/yggdrasil-go/src/config"
//"github.com/yggdrasil-network/yggdrasil-go/src/crypto"
//"github.com/yggdrasil-network/yggdrasil-go/src/yggdrasil"
)
func main() {
store := makeStoreSquareGrid(4)
var block chan struct{}
<-block
panic(store)
}

23
cmd/yggdrasilsim/node.go Normal file
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@ -0,0 +1,23 @@
package main
import (
"io/ioutil"
"github.com/gologme/log"
//"github.com/yggdrasil-network/yggdrasil-go/src/address"
"github.com/yggdrasil-network/yggdrasil-go/src/config"
//"github.com/yggdrasil-network/yggdrasil-go/src/crypto"
"github.com/yggdrasil-network/yggdrasil-go/src/yggdrasil"
)
type simNode struct {
core yggdrasil.Core
id int
}
func newNode(id int) *simNode {
n := simNode{id: id}
n.core.Start(config.GenerateConfig(), log.New(ioutil.Discard, "", 0))
return &n
}

41
cmd/yggdrasilsim/store.go Normal file
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@ -0,0 +1,41 @@
package main
type nodeStore map[int]*simNode
func makeStoreSingle() nodeStore {
s := make(nodeStore)
s[0] = newNode(0)
return s
}
func linkNodes(a *simNode, b *simNode) {
la := a.core.NewSimlink()
lb := b.core.NewSimlink()
la.SetDestination(lb)
lb.SetDestination(la)
la.Start()
lb.Start()
}
func makeStoreSquareGrid(sideLength int) nodeStore {
store := make(nodeStore)
nNodes := sideLength * sideLength
idxs := make([]int, 0, nNodes)
// TODO shuffle nodeIDs
for idx := 1; idx <= nNodes; idx++ {
idxs = append(idxs, idx)
}
for _, idx := range idxs {
n := newNode(idx)
store[idx] = n
}
for idx := 0; idx < nNodes; idx++ {
if (idx % sideLength) != 0 {
linkNodes(store[idxs[idx]], store[idxs[idx-1]])
}
if idx >= sideLength {
linkNodes(store[idxs[idx]], store[idxs[idx-sideLength]])
}
}
return store
}

88
src/yggdrasil/simlink.go Normal file
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@ -0,0 +1,88 @@
package yggdrasil
import (
"errors"
"github.com/Arceliar/phony"
"github.com/yggdrasil-network/yggdrasil-go/src/util"
)
type Simlink struct {
phony.Inbox
rch chan []byte
dest *Simlink
link *linkInterface
started bool
}
func (s *Simlink) readMsg() ([]byte, error) {
bs := <-s.rch
if bs != nil {
return bs, nil
} else {
return nil, errors.New("read from closed Simlink")
}
}
func (s *Simlink) _recvMetaBytes() ([]byte, error) {
return s.readMsg()
}
func (s *Simlink) _sendMetaBytes(bs []byte) error {
_, err := s.writeMsgs([][]byte{bs})
return err
}
func (s *Simlink) close() error {
close(s.rch)
return nil
}
func (s *Simlink) writeMsgs(msgs [][]byte) (int, error) {
if s.dest == nil {
return 0, errors.New("write to unpaired Simlink")
}
var size int
for _, msg := range msgs {
size += len(msg)
bs := append(util.GetBytes(), msg...)
phony.Block(s, func() {
s.dest.Act(s, func() {
defer func() { recover() }()
s.dest.rch <- bs
})
})
}
return size, nil
}
func (c *Core) NewSimlink() *Simlink {
s := &Simlink{rch: make(chan []byte, 1)}
n := "Simlink"
s.link, _ = c.link.create(s, n, n, n, n, false, true)
return s
}
func (s *Simlink) SetDestination(dest *Simlink) error {
var err error
phony.Block(s, func() {
if s.dest != nil {
err = errors.New("destination already set")
} else {
s.dest = dest
}
})
return err
}
func (s *Simlink) Start() error {
var err error
phony.Block(s, func() {
if s.started {
err = errors.New("already started")
} else {
s.started = true
go s.link.handler()
}
})
return err
}