Migrate to kotlinx-io and ktor 3.0 (#280)

Author: whyoleg

README.md

@@ -117,7 +117,7 @@ val stream: Flow<Payload> = rSocket.requestStream(
 
 //take 5 values and print response
 stream.take(5).collect { payload: Payload ->
-    println(payload.data.readText())
+    println(payload.data.readString())
 }
 ```
 
@@ -143,20 +143,20 @@ embeddedServer(CIO) {
     routing {
         //configure route `/rsocket`
         rSocket("rsocket") {
-            println(config.setupPayload.data.readText()) //print setup payload data
+            println(config.setupPayload.data.readString()) //print setup payload data
 
             RSocketRequestHandler {
                 //handler for request/response
                 requestResponse { request: Payload ->
-                    println(request.data.readText()) //print request payload data
+                    println(request.data.readString()) //print request payload data
                     delay(500) // work emulation
                     buildPayload {
                         data("""{ "data": "Server response" }""")
                     }
                 }
                 //handler for request/stream      
                 requestStream { request: Payload ->
-                    println(request.data.readText()) //print request payload data
+                    println(request.data.readString()) //print request payload data
                     flow {
                         repeat(10) { i ->
                             emit(
@@ -208,7 +208,7 @@ val connector = RSocketConnector {
 val rsocket: RSocket = connector.connect(transport)
 //use rsocket to do request
 val response = rsocket.requestResponse(buildPayload { data("""{ "data": "hello world" }""") })
-println(response.data.readText())
+println(response.data.readString())
 ```
 
 Example of usage standalone server transport:
@@ -223,7 +223,7 @@ val server: TcpServer = server.bind(transport) {
     RSocketRequestHandler {
         //handler for request/response
         requestResponse { request: Payload ->
-            println(request.data.readText()) //print request payload data
+            println(request.data.readString()) //print request payload data
             delay(500) // work emulation
             buildPayload {
                 data("""{ "data": "Server response" }""")
@@ -267,7 +267,7 @@ val stream: Flow<Payload> = client.requestStream(Payload("data"))
 //so on call `collect`, requestStream frame with requestN will be sent, and then, after 5 elements will be collected
 //new requestN with 5 will be sent, so collect will be smooth 
 stream.flowOn(PrefetchStrategy(requestSize = 10, requestOn = 5)).collect { payload: Payload ->
-    println(payload.data.readText())
+    println(payload.data.readString())
 }
 ```
 

gradle/libs.versions.toml

@@ -1,12 +1,13 @@
 [versions]
 kotlin = "2.1.0"
 
+kotlinx-io = "0.6.0"
 kotlinx-atomicfu = "0.26.0"
 kotlinx-coroutines = "1.9.0"
 kotlinx-benchmark = "0.4.8"
 kotlinx-bcv = "0.16.3"
 
-ktor = "2.3.12"
+ktor = "3.0.1"
 
 netty = "4.1.115.Final"
 netty-quic = "0.0.69.Final"
@@ -23,6 +24,7 @@ jmh = "1.36"
 maven-publish = "0.30.0"
 
 [libraries]
+kotlinx-io-core = { module = "org.jetbrains.kotlinx:kotlinx-io-core", version.ref = "kotlinx-io" }
 kotlinx-coroutines-core = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-core", version.ref = "kotlinx-coroutines" }
 kotlinx-coroutines-test = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-test", version.ref = "kotlinx-coroutines" }
 kotlinx-coroutines-reactor = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-reactor", version.ref = "kotlinx-coroutines" }