start improvements in ktor parts

ktor/client/src/commonMain/kotlin/dev/inmo/micro_utils/ktor/client/NewFlowsWebsockets.kt

@@ -0,0 +1,54 @@
+package dev.inmo.micro_utils.ktor.client
+
+import dev.inmo.micro_utils.coroutines.runCatchingSafely
+import dev.inmo.micro_utils.coroutines.safely
+import dev.inmo.micro_utils.ktor.common.*
+import io.ktor.client.HttpClient
+import io.ktor.client.plugins.pluginOrNull
+import io.ktor.client.plugins.websocket.*
+import io.ktor.client.request.HttpRequestBuilder
+import io.ktor.websocket.Frame
+import io.ktor.websocket.readBytes
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.channelFlow
+import kotlinx.coroutines.isActive
+import kotlinx.serialization.DeserializationStrategy
+
+/**
+ * @param checkReconnection This lambda will be called when it is required to reconnect to websocket to establish
+ * connection. Must return true in case if must be reconnected. By default always reconnecting
+ */
+inline fun <T> HttpClient.createStandardWebsocketFlow(
+    url: String,
+    crossinline checkReconnection: suspend (Throwable?) -> Boolean = { true },
+    noinline requestBuilder: HttpRequestBuilder.() -> Unit = {}
+): Flow<T> {
+    pluginOrNull(WebSockets) ?: error("Plugin $WebSockets must be installed for using createStandardWebsocketFlow")
+
+    val correctedUrl = url.asCorrectWebSocketUrl
+
+    return channelFlow {
+        do {
+            val reconnect = runCatchingSafely {
+                ws(correctedUrl, requestBuilder) {
+                    for (received in incoming) {
+                        sendSerialized(received.data)
+                    }
+                }
+                checkReconnection(null)
+            }.getOrElse { e ->
+                checkReconnection(e).also {
+                    if (!it) {
+                        close(e)
+                    }
+                }
+            }
+        } while (reconnect && isActive)
+
+        if (isActive) {
+            safely {
+                close()
+            }
+        }
+    }
+}

ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/server/NewFlowsWebsocket.kt

@@ -0,0 +1,30 @@
+package dev.inmo.micro_utils.ktor.server
+
+import dev.inmo.micro_utils.coroutines.safely
+import dev.inmo.micro_utils.ktor.common.*
+import io.ktor.http.URLProtocol
+import io.ktor.server.application.install
+import io.ktor.server.application.pluginOrNull
+import io.ktor.server.routing.Route
+import io.ktor.server.routing.application
+import io.ktor.server.websocket.*
+import io.ktor.websocket.send
+import kotlinx.coroutines.flow.Flow
+import kotlinx.serialization.SerializationStrategy
+
+inline fun <reified T : Any> Route.includeWebsocketHandling(
+    suburl: String,
+    flow: Flow<T>,
+    protocol: URLProtocol? = null
+) {
+    application.apply {
+        pluginOrNull(WebSockets) ?: install(WebSockets)
+    }
+    webSocket(suburl, protocol ?.name) {
+        safely {
+            flow.collect {
+                sendSerialized(it)
+            }
+        }
+    }
+}