RTAkland/native-mdns
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RTAkland
2025-09-29 06:30:39 +08:00
parent 20c229bfb7
commit 5e692bac6c
7 files changed
+138 -66
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src/commonMain/kotlin/cn/rtast/nmdns/mac.kt
+3
View File
@@ -40,4 +40,7 @@ private val macAddresses = listOf(
"c3:c9:1c:3d:ae:dd"
)
/**
* get random mac address
*/
fun randomMacAddress(): String = macAddresses.random()
src/commonMain/kotlin/cn/rtast/nmdns/nmdns.kt → src/commonMain/kotlin/cn/rtast/nmdns/nmdns_server.kt
+42 -34
View File
@@ -13,58 +13,62 @@ import kotlinx.coroutines.CoroutineDispatcher
import kotlinx.coroutines.Dispatchers
import kotlinx.io.Buffer
data class NMDNSServer(
data class NMDNSAnnouncer(
/**
* coroutine dispatcher for running server
*/
val dispatcher: CoroutineDispatcher = Dispatchers.Default,
internal val dispatcher: CoroutineDispatcher = Dispatchers.Default,
/**
* service type
* default airplay
* airplay service type: _airplay._tcp.local.
*/
val serviceType: String = "_airplay._tcp.local.",
internal val serviceType: String,
/**
* service name
* finally: $serviceName.$serviceType
*/
val serviceName: String = "APS",
internal val serviceName: String,
/**
* local hostname
*/
val hostname: String,
internal val hostname: String,
/**
* service ip, lan ip mostly
*/
val ipAddress: String,
internal val ipAddress: String,
/**
* service port
*/
val port: Int = 7004,
internal val port: Int = 7004,
/**
* mdns server port
*/
val mdnsPort: Int = 3025,
internal val mdnsPort: Int = 3025,
/**
* Txt record content
* txt record content
*/
val txtRecords: List<String> = listOf(
"deviceid=01:23:45:67:89:AB",
"model=AppleTV3,2C",
"features=0x5A7FFFF7,0x1E",
"srcvers=220.68",
"pk=f3769a660475d27b4f6040381d784645e13e21c53e6d2da6a8c3d757086fc336"
),
internal val txtRecords: List<String>,
/**
* mdns socket server
*/
val server: BoundDatagramSocket,
internal val server: BoundDatagramSocket,
/**
* srv packet
*/
val packet: Buffer,
internal val packet: Buffer,
)
suspend fun createService(
/**
* register service
* airplay2 txt records
* listOf(
* "deviceid=${randomMacAddress()}",
* "model=AppleTV3,2C",
* "features=0x5A7FFFF7,0x1E",
* "srcvers=220.68",
* "pk=f3769a660475d27b4f6040381d784645e13e21c53e6d2da6a8c3d757086fc336"
* )
*/
suspend fun registerService(
serviceType: String,
serviceName: String,
hostname: String,
@@ -72,25 +76,29 @@ suspend fun createService(
port: Int,
mdnsPort: Int = 9872,
bindAddress: String,
txtRecords: List<String> = listOf(
"deviceid=${randomMacAddress()}",
"model=AppleTV3,2C",
"features=0x5A7FFFF7,0x1E",
"srcvers=220.68",
"pk=f3769a660475d27b4f6040381d784645e13e21c53e6d2da6a8c3d757086fc336"
),
): NMDNSServer {
txtRecords: List<String>,
): NMDNSAnnouncer {
val manager = SelectorManager(Dispatchers.Default)
val serverSocket = aSocket(manager).udp()
.bind(InetSocketAddress(bindAddress, mdnsPort))
return NMDNSServer(
Dispatchers.Default, serviceType, serviceName,
hostname, ipAddress, port, mdnsPort,
txtRecords, serverSocket, buildPacket(serviceType, "$serviceName.$serviceType", hostname, ipAddress, port, txtRecords)
return NMDNSAnnouncer(
Dispatchers.Default,
serviceType,
serviceName,
hostname,
ipAddress,
port,
mdnsPort,
txtRecords,
serverSocket,
buildPacket(serviceType, "$serviceName.$serviceType", hostname, ipAddress, port, txtRecords)
)
}
suspend fun NMDNSServer.broadcast() {
/**
* broadcast packet
*/
suspend fun NMDNSAnnouncer.broadcast() {
this.server.send(Datagram(packet.copy(), InetSocketAddress("224.0.0.251", 5353)))
}
src/commonMain/kotlin/cn/rtast/nmdns/sleep1.kt
+4
View File
@@ -7,4 +7,8 @@
package cn.rtast.nmdns
/**
* block current thread
* unit: second
*/
internal expect fun sleep1(time: Int)
src/jvmTest/kotlin/test/JvmTest.kt
+11 -3
View File
@@ -8,7 +8,8 @@
package test
import cn.rtast.nmdns.broadcast
import cn.rtast.nmdns.createService
import cn.rtast.nmdns.randomMacAddress
import cn.rtast.nmdns.registerService
import kotlinx.coroutines.delay
import kotlinx.coroutines.runBlocking
import org.junit.Test
@@ -40,14 +41,21 @@ class JvmTest {
// println("sent")
// delay(2000L)
// }
val service = createService(
val service = registerService(
serviceType = "_airplay._tcp.local.",
serviceName = "AP@RTAST",
hostname = "rtakland.local.",
ipAddress = "192.168.10.104",
port = 7001,
bindAddress = "192.168.10.104",
mdnsPort = 5356
mdnsPort = 5356,
txtRecords = listOf(
"deviceid=${randomMacAddress()}",
"model=AppleTV3,2C",
"features=0x5A7FFFF7,0x1E",
"srcvers=220.68",
"pk=f3769a660475d27b4f6040381d784645e13e21c53e6d2da6a8c3d757086fc336"
)
)
while (true) {
service.broadcast()
src/linuxTest/kotlin/test/LinuxTest.kt
+15 -8
View File
@@ -1,16 +1,16 @@
/*
* Copyright © 2025 RTAkland
* Author: RTAkland
* Date: 9/29/25
*/
* Copyright © 2025 RTAkland
* Author: RTAkland
* Date: 9/29/25
*/
package test
import cn.rtast.nmdns.broadcast
import cn.rtast.nmdns.createService
import cn.rtast.nmdns.randomMacAddress
import cn.rtast.nmdns.registerService
import cn.rtast.nmdns.sleep1
import kotlinx.coroutines.delay
import kotlinx.coroutines.runBlocking
import kotlin.test.Test
@@ -18,14 +18,21 @@ class LinuxTest {
@Test
fun `test on linux`() {
runBlocking {
val service = createService(
val service = registerService(
serviceType = "_airplay._tcp.local.",
serviceName = "AP@RTAST",
hostname = "rtakland.local.",
ipAddress = "192.168.10.104",
port = 7001,
bindAddress = "192.168.10.104",
mdnsPort = 5356
mdnsPort = 5356,
txtRecords = listOf(
"deviceid=${randomMacAddress()}",
"model=AppleTV3,2C",
"features=0x5A7FFFF7,0x1E",
"srcvers=220.68",
"pk=f3769a660475d27b4f6040381d784645e13e21c53e6d2da6a8c3d757086fc336"
)
)
while (true) {
service.broadcast()