first code/readme/license commit

src/yggdrasil/core.go

@@ -0,0 +1,64 @@
+package yggdrasil
+
+import "io/ioutil"
+import "log"
+
+type Core struct {
+  // This is the main data structure that holds everything else for a node
+  // TODO? move keys out of core and into something more appropriate
+  //  e.g. box keys live in sessions
+  //  sig keys live in peers or sigs (or wherever signing/validating logic is)
+  boxPub boxPubKey
+  boxPriv boxPrivKey
+  sigPub sigPubKey
+  sigPriv sigPrivKey
+  switchTable switchTable
+  peers peers
+  sigs sigManager
+  sessions sessions
+  router router
+  dht dht
+  tun tunDevice
+  searches searches
+  tcp *tcpInterface
+  udp *udpInterface
+  log *log.Logger
+}
+
+func (c *Core) Init() {
+  // Only called by the simulator, to set up nodes with random keys
+  bpub, bpriv := newBoxKeys()
+  spub, spriv := newSigKeys()
+  c.init(bpub, bpriv, spub, spriv)
+}
+
+func (c *Core) init(bpub *boxPubKey,
+                    bpriv *boxPrivKey,
+                    spub *sigPubKey,
+                    spriv *sigPrivKey) {
+  // TODO separate init and start functions
+  //  Init sets up structs
+  //  Start launches goroutines that depend on structs being set up
+  // This is pretty much required to avoid race conditions
+  util_initByteStore()
+  c.log = log.New(ioutil.Discard, "", 0)
+  c.boxPub, c.boxPriv = *bpub, *bpriv
+  c.sigPub, c.sigPriv = *spub, *spriv
+  c.sigs.init()
+  c.searches.init(c)
+  c.dht.init(c)
+  c.sessions.init(c)
+  c.peers.init(c)
+  c.router.init(c)
+  c.switchTable.init(c, c.sigPub) // TODO move before peers? before router?
+  c.tun.init(c)
+}
+
+func (c *Core) GetNodeID() *NodeID {
+  return getNodeID(&c.boxPub)
+}
+
+func (c *Core) GetTreeID() *TreeID {
+  return getTreeID(&c.sigPub)
+}
+