func main() {
const numArgs = 4
if len(os.Args) != numArgs {
fmt.Println("Usage: ./client <hostport> <message> <maxNonce>")
return
}
file, err := os.OpenFile(name, flag, perm)
if err != nil {
return
}
mlx := log.New(file, "", log.Lshortfile|log.Lmicroseconds)
cli, err := lsp.NewClient(os.Args[1], lsp.NewParams())
if err != nil {
mlx.Println("cant connect the server")
file.Close()
return
}
//mlx.Println("cant connect the server")
//fmt.Println(parms.WindowSize)
mlx.Println("req: ", os.Args[0], os.Args[1], os.Args[2], os.Args[3])
na, _ := strconv.ParseUint(os.Args[3], 10, 64)
msg := bitcoin.NewRequest(os.Args[2], 0, na)
buf, _ := json.Marshal(msg)
hold := cli.ConnID()
mlx.Println("get id: ", hold)
errr := cli.Write(buf)
if errr != nil {
printDisconnected()
mlx.Println("client: ", hold, "write fail")
cli.Close()
file.Close()
return
} else {
mlx.Println("client: ", hold, " write done")
mlx.Println(msg.String())
}
v, er := cli.Read()
//mlx.Println("+++++")
if er != nil {
printDisconnected()
mlx.Println(er)
file.Close()
//cli.Close()
} else {
//n := bytes.Index(v, []byte{0})
msgg := &bitcoin.Message{}
err = json.Unmarshal(v[:], msgg)
mlx.Println("client: ", hold, " read->", msgg.String())
printResult(strconv.FormatUint(msgg.Hash, 10), strconv.FormatUint(msgg.Nonce, 10))
cli.Close()
file.Close()
}
}
func main() {
const numArgs = 4
if len(os.Args) != numArgs {
fmt.Println("Usage: ./client <hostport> <message> <maxNonce>")
return
}
hostport := os.Args[1]
data := os.Args[2]
maxNonce, err := strconv.ParseUint(os.Args[3], 10, 64)
if err != nil {
fmt.Println("error when parsing maxNonce")
return
}
params := lsp.NewParams()
lspClient, err := lsp.NewClient(hostport, params)
if err != nil {
fmt.Println("cannot craete client or connect to the server")
return
}
reqMsg := bitcoin.NewRequest(data, 0, maxNonce)
buf, err := json.Marshal(reqMsg)
if err != nil {
fmt.Println("error when marshalling")
return
}
err = lspClient.Write(buf)
if err != nil {
fmt.Println("unable to write to server, connection lost")
return
}
buf, err = lspClient.Read()
if err != nil {
printDisconnected()
return
}
resultMsg := &bitcoin.Message{}
err = json.Unmarshal(buf, resultMsg)
if err != nil {
fmt.Println("error when unmarshalling")
return
}
printResult(strconv.FormatUint(resultMsg.Hash, 10), strconv.FormatUint(resultMsg.Nonce, 10))
}
func (yy *Scheduler) assign(mlx *log.Logger, s lsp.Server) {
yy.jobgiveup = false
hold := yy.pendjobs[yy.currid]
yy.curclient = yy.pendclients[yy.currid]
mlx.Println("begin assign job: ", yy.currid, hold.String(), " for client: ", yy.curclient, " with ", len(yy.miner), " miners")
delete(yy.pendjobs, yy.currid)
delete(yy.pendclients, yy.currid)
var block uint64
block = (hold.Upper) / uint64(len(yy.miner))
if hold.Upper%uint64(len(yy.miner)) != 0 {
//mlx.Println("left ", hold.Upper%uint64(len(yy.miner)))
block += 1
}
yy.ans1 = 1<<64 - 1
yy.ans2 = hold.Upper
yy.block = len(yy.miner)
// 41 5
var ct uint64
ct = 0
fk := block + 1
//mlx.Println("block size: ", fk)
limit := hold.Upper
for i, _ := range yy.miner {
hold.Lower = ct * fk
hold.Upper = hold.Lower + block
if hold.Upper > limit {
hold.Upper = limit
}
temp := bitcoin.NewRequest(hold.Data, hold.Lower, hold.Upper)
mlx.Println("assign miner", i, hold.Lower, hold.Upper)
ct += 1
buf, _ := json.Marshal(hold)
errr := s.Write(i, buf)
yy.miner[i] = temp
if errr != nil {
mlx.Println("miner: ", i, " fail in the middle")
yy.minerfail += 1
yy.pendrange[i] = temp
delete(yy.miner, i)
}
}
yy.run = true
}
func main() {
const numArgs = 4
if len(os.Args) != numArgs {
fmt.Println("Usage: ./client <hostport> <message> <maxNonce>")
return
}
// TODO: implement this!
c, err := lsp.NewClient(os.Args[1], lsp.NewParams())
if err != nil {
printDisconnected()
return
}
max, _ := strconv.ParseUint(os.Args[3], 10, 64)
request := bitcoin.NewRequest(os.Args[2], 0, max)
buf, _ := json.Marshal(request)
//write to server
err = c.Write(buf)
if err != nil {
printDisconnected()
return
}
//read from server
buf, err = c.Read()
if err != nil {
printDisconnected()
return
}
var result bitcoin.Message
err = json.Unmarshal(buf, &result)
if err != nil {
printDisconnected()
return
}
printResult(strconv.FormatUint(result.Hash, 10), strconv.FormatUint(result.Nonce, 10))
c.Close()
}
func (c *Client) SendRequest(data string, upper uint64) error {
req := bitcoin.NewRequest(data, 0, upper)
bytes, _ := req.ToBytes()
return c.client.Write(bytes)
}