test built-in rpc

broker-service/cmd/api/handlers.go

@@ -5,8 +5,11 @@ import (
 	"bytes"
 	"encoding/json"
 	"errors"
+	"fmt"
 	"log"
 	"net/http"
+	"net/rpc"
+	"time"
 )
 
 type RequestPayload struct {
@@ -54,9 +57,12 @@ func (app *Config) HandleSubmission(w http.ResponseWriter, r *http.Request) {
 	switch requestPayload.Action {
 	case "auth":
 		app.authenticate(w, requestPayload.Auth)
-	case "log":
+	case "logHttp": // 2729 us
-		// app.LogItem(w, requestPayload.Log)
+		app.LogItem(w, requestPayload.Log)
+	case "logRabbit": // 10007 us
 		app.logEventViaRabbit(w, requestPayload.Log)
+	case "logRpc": // 555 us
+		app.logItemViaRPC(w, requestPayload.Log)
 	case "mail":
 		app.SendMail(w, requestPayload.Mail)
 	default:
@@ -80,6 +86,8 @@ func (app *Config) authenticate(w http.ResponseWriter, a AuthPayload) {
 
 func (app *Config) LogItem(w http.ResponseWriter, entry LogPayload) {
 	log.Println(entry)
+	now := time.Now()
+	entry.Data += fmt.Sprintf("HTTP sent date %d", now.UnixMicro())
 	loggerService := Microservice{
 		Input: entry,
 		Addr:  "http://logger-service/log",
@@ -180,6 +188,8 @@ func (app *Config) callService(w http.ResponseWriter, ms Microservice) {
 }
 
 func (app *Config) logEventViaRabbit(w http.ResponseWriter, l LogPayload) {
+	now := time.Now()
+	l.Data += fmt.Sprintf("Rabbit sent date %d", now.UnixMicro())
 	err := app.pushToQueue(l.Name, l.Data)
 	if err != nil {
 		app.errorJSON(w, err)
@@ -212,3 +222,34 @@ func (app *Config) pushToQueue(name, msg string) error {
 
 	return nil
 }
+
+type RPCPayload struct {
+	Name string
+	Data string
+}
+
+func (app *Config) logItemViaRPC(w http.ResponseWriter, l LogPayload) {
+	client, err := rpc.Dial("tcp", "logger-service:5001")
+	if err != nil {
+		app.errorJSON(w, err)
+		return
+	}
+	defer client.Close()
+
+	now := time.Now()
+	l.Data += fmt.Sprintf("RPC sent date %d", now.UnixMicro())
+	rpcPayload := RPCPayload(l)
+
+	var result string
+	err = client.Call("RPCServer.LogInfo", rpcPayload, &result)
+	if err != nil {
+		app.errorJSON(w, err)
+		return
+	}
+
+	var payload jsonResponse
+	payload.Error = false
+	payload.Message = "logged via RPC"
+
+	app.writeJSON(w, http.StatusOK, payload)
+}

front-end/cmd/web/templates/test.page.gohtml

@@ -9,7 +9,9 @@
 
                 <a id="brokerBtn" class="btn btn-outline-secondary" href="javascript:void(0);">Test Broker</a>
                 <a id="authBrokerBtn" class="btn btn-outline-secondary" href="javascript:void(0);">Test Auth</a>
-                <a id="logBtn" class="btn btn-outline-secondary" href="javascript:void(0);">Test Log</a>
+                <a id="logHttpBtn" class="btn btn-outline-secondary" href="javascript:void(0);">Test HTTP Log</a>
+                <a id="logRabbitBtn" class="btn btn-outline-secondary" href="javascript:void(0);">Test Rabbit Log</a>
+                <a id="logRpcBtn" class="btn btn-outline-secondary" href="javascript:void(0);">Test RPC Log</a>
                 <a id="mailBtn" class="btn btn-outline-secondary" href="javascript:void(0);">Test Mail</a>
 
                 <div id="output" class="mt-5" style="outline: 1px solid silver; padding: 2em;">
@@ -39,6 +41,9 @@
         let brokerBtn = document.getElementById("brokerBtn");
         let authBrokerBtn = document.getElementById("authBrokerBtn");
         let mailBtn = document.getElementById("mailBtn");
+        let logHttpBtn = document.getElementById("logHttpBtn");
+        let logRabbitBtn = document.getElementById("logRabbitBtn");
+        let logRpcBtn = document.getElementById("logRpcBtn");
         let output = document.getElementById("output");
         let sent = document.getElementById("payload");
         let received = document.getElementById("received");
@@ -95,9 +100,73 @@
                 });
         });
 
-        logBtn.addEventListener("click", () => {
+        logHttpBtn.addEventListener("click", () => {
             const payload = {
-                action: "log",
+                action: "logHttp",
+                log: {
+                    name: "event",
+                    data: "some kind of data",
+                }
+            };
+            const headers = new Headers();
+            headers.append("Content-Type", "application/json");
+            const body = {
+                method: 'POST',
+                body: JSON.stringify(payload),
+                headers: headers,
+            }
+            fetch("http:\/\/localhost:8080/handle", body)
+            .then((response) => response.json())
+                .then((data) => {
+                    sent.innerHTML = JSON.stringify(payload, undefined, 4);
+                    received.innerHTML = JSON.stringify(data, undefined, 4);
+                    if (data.error) {
+                        console.log(data.message);
+                        output.innerHTML += `<br><strong>Error:</strong>: ${data.message}`;
+                    } else {
+                        output.innerHTML += `<br><strong>Response from broker service</strong>: ${data.message}`;
+                    }
+                })
+                .catch((error) => {
+                    output.innerHTML += "<br><br>Error: " + error;
+                });
+        });
+
+        logRabbitBtn.addEventListener("click", () => {
+            const payload = {
+                action: "logRabbit",
+                log: {
+                    name: "event",
+                    data: "some kind of data",
+                }
+            };
+            const headers = new Headers();
+            headers.append("Content-Type", "application/json");
+            const body = {
+                method: 'POST',
+                body: JSON.stringify(payload),
+                headers: headers,
+            }
+            fetch("http:\/\/localhost:8080/handle", body)
+            .then((response) => response.json())
+                .then((data) => {
+                    sent.innerHTML = JSON.stringify(payload, undefined, 4);
+                    received.innerHTML = JSON.stringify(data, undefined, 4);
+                    if (data.error) {
+                        console.log(data.message);
+                        output.innerHTML += `<br><strong>Error:</strong>: ${data.message}`;
+                    } else {
+                        output.innerHTML += `<br><strong>Response from broker service</strong>: ${data.message}`;
+                    }
+                })
+                .catch((error) => {
+                    output.innerHTML += "<br><br>Error: " + error;
+                });
+        });
+
+        logRpcBtn.addEventListener("click", () => {
+            const payload = {
+                action: "logRpc",
                 log: {
                     name: "event",
                     data: "some kind of data",

logger-service/cmd/api/handlers.go

@@ -1,9 +1,11 @@
 package main
 
 import (
+	"fmt"
 	"log"
 	"logger/data"
 	"net/http"
+	"time"
 )
 
 type JSONPayload struct {
@@ -27,6 +29,9 @@ func (app *Config) WriteLog(w http.ResponseWriter, r *http.Request) {
 		Data: requestPayload.Data,
 	}
 
+	now := time.Now()
+	event.Data += fmt.Sprintf(" received date %d", now.UnixMicro())
+
 	log.Println("event", event)
 
 	err = app.Models.LogEntry.Insert(event)

logger-service/cmd/api/rpc.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"context"
+	"fmt"
 	"log"
 	"logger/data"
 	"time"
@@ -16,6 +17,10 @@ type RPCPayload struct {
 
 func (r *RPCServer) LogInfo(payload RPCPayload, resp *string) error {
 	collection := client.Database("logs").Collection("logs")
+
+	now := time.Now()
+	payload.Data += fmt.Sprintf(" received date %d", now.UnixMicro())
+
 	_, err := collection.InsertOne(context.TODO(), data.LogEntry{
 		Name:      payload.Name,
 		Data:      payload.Data,