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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -8,3 +8,4 @@ main | |
| Tunnel.framework | ||
| tunnel.aar | ||
| tunnel-sources.jar | ||
| *.tar.gz | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,196 @@ | ||
| package main | ||
|
|
||
| /* | ||
| #include <stdlib.h> | ||
| */ | ||
| import "C" | ||
| import ( | ||
| "encoding/hex" | ||
| "github.com/nknorg/ncp-go" | ||
| "github.com/nknorg/nkn-sdk-go" | ||
| ts "github.com/nknorg/nkn-tuna-session" | ||
| tunnel "github.com/nknorg/nkn-tunnel" | ||
| "github.com/nknorg/nkngomobile" | ||
| "log" | ||
| "os" | ||
| "strings" | ||
| "sync" | ||
| ) | ||
|
|
||
| var ( | ||
| instanceTunnel *tunnel.Tunnel | ||
| tunnelMutex sync.Mutex | ||
| logMutex sync.Mutex | ||
|
|
||
| logFilePath string | ||
| logFile *os.File | ||
| logToFile bool | ||
|
|
||
| DefaultTunaMaxPrice = "0.01" | ||
| DefaultTunaMinFee = "0.00001" | ||
| DefaultTunaFeeRatio = 0.1 | ||
| ) | ||
|
|
||
| func initLogger() error { | ||
| if logFilePath == "" { | ||
| logToFile = false | ||
| log.SetOutput(os.Stdout) | ||
| return nil | ||
| } | ||
|
|
||
| var err error | ||
| logFile, err = os.OpenFile(logFilePath, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666) | ||
| if err != nil { | ||
| logToFile = false | ||
| log.SetOutput(os.Stdout) | ||
| log.Println("Failed to open log file, defaulting to stdout:", err) | ||
| return err | ||
| } | ||
|
|
||
| log.SetOutput(logFile) | ||
| logToFile = true | ||
| log.Println("Log initialized, writing to file:", logFilePath) | ||
| return nil | ||
| } | ||
|
|
||
| func closeLogger() { | ||
| logMutex.Lock() | ||
| defer logMutex.Unlock() | ||
|
|
||
| if logFile != nil { | ||
| log.Println("Closing log file") | ||
| logFile.Close() | ||
| logFile = nil | ||
| logToFile = false | ||
| } | ||
| } | ||
|
|
||
| //export SetLogFilePath | ||
| func SetLogFilePath(path *C.char) { | ||
| logMutex.Lock() | ||
| defer logMutex.Unlock() | ||
|
|
||
| logFilePath = C.GoString(path) | ||
| initLogger() | ||
| } | ||
|
|
||
| //export StartNknTunnel | ||
| func StartNknTunnel(numClients C.int, seedRpcServers *C.char, seedHex *C.char, identifier *C.char, from *C.char, to *C.char, udp C.int, useTuna C.int, tunaMaxPrice *C.char, tunaMinFee *C.char, tunaFeeRatio C.float, verbose C.int) C.int { | ||
| tunnelMutex.Lock() | ||
| defer tunnelMutex.Unlock() | ||
|
|
||
| if instanceTunnel != nil { | ||
| log.Println("Closing existing tunnel before starting a new one...") | ||
| instanceTunnel.Close() | ||
| instanceTunnel = nil | ||
| } | ||
|
|
||
| numClientsGo := int(numClients) | ||
| seedRpcServersGo := C.GoString(seedRpcServers) | ||
| seedHexGo := C.GoString(seedHex) | ||
| identifierGo := C.GoString(identifier) | ||
| fromGo := C.GoString(from) | ||
| toGo := C.GoString(to) | ||
| udpGo := udp != 0 | ||
| useTunaGo := useTuna != 0 | ||
| tunaMaxPriceGo := C.GoString(tunaMaxPrice) | ||
| tunaMinFeeGo := C.GoString(tunaMinFee) | ||
| tunaFeeRatioGo := float64(tunaFeeRatio) | ||
| verboseGo := verbose != 0 | ||
|
|
||
| if seedHexGo == "" { | ||
| log.Println("Seed hex cannot be empty") | ||
| return 1 | ||
| } | ||
|
|
||
| if tunaMaxPriceGo == "" { | ||
| tunaMaxPriceGo = DefaultTunaMaxPrice | ||
| } | ||
| if tunaMinFeeGo == "" { | ||
| tunaMinFeeGo = DefaultTunaMinFee | ||
| } | ||
| if tunaFeeRatioGo == 0 { | ||
| tunaFeeRatioGo = DefaultTunaFeeRatio | ||
| } | ||
|
|
||
| seedRpcServerList := strings.Split(seedRpcServersGo, ",") | ||
| seedRpcServerAddr := nkngomobile.NewStringArray(seedRpcServerList...) | ||
|
|
||
| var seed []byte | ||
| var err error | ||
|
|
||
| seed, err = hex.DecodeString(seedHexGo) | ||
| if err != nil { | ||
| log.Println("Invalid seed hex: ", err) | ||
| return 2 | ||
| } | ||
| account, err := nkn.NewAccount(seed) | ||
| if err != nil { | ||
| log.Println("Failed to create account:", err) | ||
| return 3 | ||
| } | ||
| clientConfig := &nkn.ClientConfig{ | ||
| SeedRPCServerAddr: seedRpcServerAddr, | ||
| } | ||
| walletConfig := &nkn.WalletConfig{ | ||
| SeedRPCServerAddr: seedRpcServerAddr, | ||
| } | ||
| sessionConfig := &ncp.Config{ | ||
| MTU: int32(0), | ||
| } | ||
|
|
||
| var tsConfig *ts.Config | ||
| if useTunaGo { | ||
| tsConfig = &ts.Config{ | ||
| NumTunaListeners: numClientsGo, | ||
| SessionConfig: sessionConfig, | ||
| TunaMaxPrice: tunaMaxPriceGo, | ||
| TunaMinNanoPayFee: tunaMinFeeGo, | ||
| TunaNanoPayFeeRatio: tunaFeeRatioGo, | ||
| } | ||
| } | ||
|
|
||
| config := &tunnel.Config{ | ||
| NumSubClients: numClientsGo, | ||
| ClientConfig: clientConfig, | ||
| WalletConfig: walletConfig, | ||
| TunaSessionConfig: tsConfig, | ||
| UDP: udpGo, | ||
| Verbose: verboseGo, | ||
| } | ||
| t, err := tunnel.NewTunnel(account, identifierGo, fromGo, toGo, useTunaGo, config, nil) | ||
| if err != nil { | ||
| log.Println("Failed to create tunnel:", err) | ||
| return 4 | ||
| } | ||
|
|
||
| instanceTunnel = t | ||
|
|
||
| go func() { | ||
| if err := t.Start(); err != nil { | ||
| log.Println("Tunnel failed to start:", err) | ||
| } | ||
| }() | ||
| log.Println("Tunnel started successfully") | ||
| return 0 | ||
| } | ||
|
|
||
| //export CloseNknTunnel | ||
| func CloseNknTunnel() C.int { | ||
| tunnelMutex.Lock() | ||
| defer tunnelMutex.Unlock() | ||
|
|
||
| if instanceTunnel == nil { | ||
| log.Println("No tunnel to close") | ||
| return -1 | ||
| } | ||
|
|
||
| instanceTunnel.Close() | ||
| instanceTunnel = nil | ||
| log.Println("Tunnel closed successfully") | ||
| return 0 | ||
| } | ||
|
|
||
| func main() { | ||
| defer closeLogger() | ||
| } |