package main // #cgo CFLAGS: -I${SRCDIR}/../salticidae/include/ // #include // #include // #include "salticidae/network.h" // void onTerm(int sig); // void onReceiveRand(msg_t *, msgnetwork_conn_t *, void *); // void onReceiveAck(msg_t *, msgnetwork_conn_t *, void *); // void onStopLoop(threadcall_handle_t *, void *); // void connHandler(msgnetwork_conn_t *, bool, void *); // void onTimeout(timerev_t *, void *); // typedef struct timeout_callback_context_t { // int app_id; // uint64_t addr_id; // msgnetwork_conn_t *conn; // } timeout_callback_context_t; // static timeout_callback_context_t *timeout_callback_context_new() { // timeout_callback_context_t *ctx = malloc(sizeof(timeout_callback_context_t)); // ctx->conn = NULL; // return ctx; // } // import "C" import ( "salticidae-go" "math/rand" "fmt" "sync" "unsafe" "strconv" ) var ec salticidae.EventContext const ( MSG_OPCODE_RAND salticidae.Opcode = iota MSG_OPCODE_ACK ) func msgRandSerialize(size int) (salticidae.Msg, salticidae.UInt256) { buffer := make([]byte, size) _, err := rand.Read(buffer) if err != nil { panic("rand source failed") } serialized := salticidae.NewDataStreamFromBytes(buffer) hash := serialized.GetHash() return salticidae.NewMsgMovedFromByteArray( MSG_OPCODE_RAND, salticidae.NewByteArrayMovedFromDataStream(serialized)), hash } func msgRandUnserialize(msg salticidae.Msg) salticidae.DataStream { return msg.ConsumePayload() } func msgAckSerialize(hash salticidae.UInt256) salticidae.Msg { serialized := salticidae.NewDataStream() hash.Serialize(serialized) return salticidae.NewMsgMovedFromByteArray( MSG_OPCODE_ACK, salticidae.NewByteArrayMovedFromDataStream(serialized)) } func msgAckUnserialize(msg salticidae.Msg) salticidae.UInt256 { p := msg.ConsumePayload() hash := salticidae.NewUInt256() hash.Unserialize(p) p.Free() return hash } type TestContext struct { timer salticidae.TimerEvent timer_ctx *C.struct_timeout_callback_context_t state int hash salticidae.UInt256 ncompleted int } func (self TestContext) Free() { if self.timer != nil { self.timer.Free() C.free(unsafe.Pointer(self.timer_ctx)) } if self.hash != nil { self.hash.Free() } } type AppContext struct { addr salticidae.NetAddr ec salticidae.EventContext net salticidae.PeerNetwork tcall salticidae.ThreadCall tc map[uint64] *TestContext } func (self AppContext) Free() { self.addr.Free() self.net.Free() self.tcall.Free() for _, tc:= range self.tc { tc.Free() } self.ec.Free() } func NewTestContext() TestContext { return TestContext { ncompleted: 0 } } func addr2id(addr salticidae.NetAddr) uint64 { return uint64(addr.GetIP()) | (uint64(addr.GetPort()) << 32) } func (self AppContext) getTC(addr_id uint64) (_tc *TestContext) { if tc, ok := self.tc[addr_id]; ok { _tc = tc } else { _tc = new(TestContext) self.tc[addr_id] = _tc } return } func sendRand(size int, app *AppContext, conn salticidae.MsgNetworkConn) { msg, hash := msgRandSerialize(size) addr := conn.GetAddr() tc := app.getTC(addr2id(addr)) addr.Free() if tc.hash != nil { salticidae.UInt256(tc.hash).Free() } tc.hash = hash app.net.AsMsgNetwork().SendMsg(msg, conn) msg.Free() } var apps []AppContext var threads sync.WaitGroup var seg_buff_size = 4096 //export onTimeout func onTimeout(_ *C.timerev_t, userdata unsafe.Pointer) { ctx := (*C.struct_timeout_callback_context_t)(userdata) app := &apps[ctx.app_id] tc := app.getTC(uint64(ctx.addr_id)) tc.ncompleted++ app.net.AsMsgNetwork().Terminate(salticidae.MsgNetworkConn(ctx.conn)) var s string for addr_id, v := range app.tc { s += fmt.Sprintf(" %d(%d)", C.ntohs(C.ushort(addr_id >> 32)), v.ncompleted) } fmt.Printf("INFO: %d completed:%s\n", C.ntohs(C.ushort(app.addr.GetPort())), s) } //export onReceiveRand func onReceiveRand(_msg *C.struct_msg_t, _conn *C.struct_msgnetwork_conn_t, userdata unsafe.Pointer) { msg := salticidae.Msg(_msg) bytes := msgRandUnserialize(msg) hash := bytes.GetHash() bytes.Free() conn := salticidae.MsgNetworkConn(_conn) net := conn.GetNet() ack := msgAckSerialize(hash) net.SendMsg(ack, conn) hash.Free() ack.Free() } //export onReceiveAck func onReceiveAck(_msg *C.struct_msg_t, _conn *C.struct_msgnetwork_conn_t, userdata unsafe.Pointer) { hash := msgAckUnserialize(salticidae.Msg(_msg)) id := *(* int)(userdata) app := &apps[id] conn := salticidae.MsgNetworkConn(_conn) _addr := conn.GetAddr() addr := addr2id(_addr) _addr.Free() tc := app.getTC(addr) if !hash.IsEq(tc.hash) { //fmt.Printf("%s %s\n", hash.GetHex(), tc.hash.GetHex()) panic("corrupted I/O!") } hash.Free() if tc.state == seg_buff_size * 2 { sendRand(tc.state, app, conn) tc.state = -1 ctx := C.timeout_callback_context_new() ctx.app_id = C.int(id) ctx.addr_id = C.uint64_t(addr) ctx.conn = (*C.struct_msgnetwork_conn_t)(conn) if tc.timer != nil { tc.timer.Free() C.free(unsafe.Pointer(tc.timer_ctx)) } tc.timer = salticidae.NewTimerEvent(app.ec, salticidae.TimerEventCallback(C.onTimeout), unsafe.Pointer(ctx)) tc.timer_ctx = ctx t := rand.Float64() * 10 tc.timer.Add(t) fmt.Printf("rand-bomboard phase, ending in %.2f secs\n", t) } else if tc.state == -1 { sendRand(rand.Int() % (seg_buff_size * 10), app, conn) } else { tc.state++ sendRand(tc.state, app, conn) } } //export connHandler func connHandler(_conn *C.struct_msgnetwork_conn_t, connected C.bool, userdata unsafe.Pointer) { conn := salticidae.MsgNetworkConn(_conn) id := *(*int)(userdata) app := &apps[id] if connected { if conn.GetMode() == salticidae.CONN_MODE_ACTIVE { addr := conn.GetAddr() tc := app.getTC(addr2id(addr)) addr.Free() tc.state = 1 fmt.Printf("INFO: increasing phase\n") sendRand(tc.state, app, conn) } } } //export onStopLoop func onStopLoop(_ *C.threadcall_handle_t, userdata unsafe.Pointer) { ec := salticidae.EventContext(userdata) ec.Stop() } //export onTerm func onTerm(_ C.int) { for i, _ := range apps { a := &apps[i] a.tcall.AsyncCall( salticidae.ThreadCallCallback(C.onStopLoop), unsafe.Pointer(a.ec)) } threads.Wait() ec.Stop() } func main() { ec = salticidae.NewEventContext() var addrs []salticidae.NetAddr for i := 0; i < 5; i++ { addrs = append(addrs, salticidae.NewAddrFromIPPortString("127.0.0.1:" + strconv.Itoa(12345 + i))) } netconfig := salticidae.NewPeerNetworkConfig() nc := netconfig.AsMsgNetworkConfig() nc.SegBuffSize(4096) nc.NWorker(2) netconfig.ConnTimeout(5) netconfig.PingPeriod(2) apps = make([]AppContext, len(addrs)) ids := make([](*C.int), len(addrs)) for i, addr := range addrs { ec := salticidae.NewEventContext() apps[i] = AppContext { addr: addr, ec: ec, net: salticidae.NewPeerNetwork(ec, netconfig), tcall: salticidae.NewThreadCall(ec), tc: make(map[uint64] *TestContext), } ids[i] = (*C.int)(C.malloc(C.sizeof_int)) *ids[i] = C.int(i) _i := unsafe.Pointer(ids[i]) net := apps[i].net.AsMsgNetwork() net.RegHandler(MSG_OPCODE_RAND, salticidae.MsgNetworkMsgCallback(C.onReceiveRand), _i) net.RegHandler(MSG_OPCODE_ACK, salticidae.MsgNetworkMsgCallback(C.onReceiveAck), _i) net.RegConnHandler(salticidae.MsgNetworkConnCallback(C.connHandler), _i) net.Start() } netconfig.Free() threads.Add(len(apps)) for i, _ := range apps { app_id := i go func() { a := &apps[app_id] a.net.Listen(a.addr) for _, addr := range addrs { if !addr.IsEq(a.addr) { a.net.AddPeer(addr) } } a.ec.Dispatch() a.Free() C.free(unsafe.Pointer(ids[app_id])) threads.Done() }() } ev_int := salticidae.NewSigEvent(ec, salticidae.SigEventCallback(C.onTerm)) ev_int.Add(salticidae.SIGINT) ev_term := salticidae.NewSigEvent(ec, salticidae.SigEventCallback(C.onTerm)) ev_term.Add(salticidae.SIGTERM) ec.Dispatch() ev_int.Free() ev_term.Free() ec.Free() }