웹으로 모드버스 테이블 보여주는 서비스 프로그램 추가

김태훈
1 parent b13e23ee41
Showing 5 changed files with 172 additions and 0 deletions Show diff stats
app/modbus-data-viewer/.gitignore
app/modbus-data-viewer/build.sh
app/modbus-data-viewer/release.sh
app/modbus-data-viewer/src/service-web/main.go
app/modbus-data-viewer/src/service-web/templates/main.tmpl
@@ -0,0 +1,4 @@
+bin/
+pkg/
+src/github.com/
+release/
@@ -0,0 +1,4 @@
+#!/bin/bash
+
+GOPATH=$PWD go get -v service-web
+GOPATH=$PWD GOARCH=arm GOOS=linux go install service-web
@@ -0,0 +1,12 @@
+#!/bin/bash
+
+./build.sh
+
+if [ ! -d release ]; then
+  mkdir release
+else
+  rm -rf release/*
+fi
+
+cp bin/linux_arm/service-web release/service-web
+cp -rf src/service-web/templates release/
@@ -0,0 +1,104 @@
+package main
+
+import (
+	"bytes"
+	"encoding/binary"
+	"fmt"
+	"html/template"
+	"log"
+	"net"
+	"sync"
+
+	"github.com/codegangsta/martini"
+	"github.com/codegangsta/martini-contrib/render"
+)
+
+type Header int32
+type Packet [50]uint16
+
+var mutex sync.Mutex
+var templateMap = make(map[string]interface{})
+var controlTable, stateTable string
+
+func main() {
+	go ListenUDP()
+
+	m := martini.Classic()
+
+	m.Use(render.Renderer())
+
+	m.Get("/", func(r render.Render) {
+		mutex.Lock()
+		defer mutex.Unlock()
+
+		r.HTML(200, "main", templateMap)
+	})
+
+	m.Run()
+}
+
+func ListenUDP() {
+	addr, err := net.ResolveUDPAddr("udp", ":40001")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	conn, err := net.ListenUDP("udp", addr)
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer conn.Close()
+
+	for {
+		b := make([]byte, 1024)
+		_, _, err := conn.ReadFromUDP(b)
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		buf := bytes.NewReader(b)
+
+		var header Header
+		err = binary.Read(buf, binary.LittleEndian, &header)
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		var packet Packet
+		err = binary.Read(buf, binary.LittleEndian, &packet)
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		switch header {
+		case 0:
+			mapControl(packet)
+		case 1:
+			mapState(packet)
+		}
+	}
+}
+
+func mapControl(packet Packet) {
+	mutex.Lock()
+	defer mutex.Unlock()
+
+	controlTable = ""
+	for i, v := range packet {
+		controlTable += fmt.Sprintf("<tr><td>%v</td><td>0x%04X</td><td>0x%04X</td><td>%d</td></tr>\n", 30001+i, i, v, v)
+	}
+
+	templateMap["Table_Control"] = template.HTML(controlTable)
+}
+
+func mapState(packet Packet) {
+	mutex.Lock()
+	defer mutex.Unlock()
+
+	stateTable = ""
+	for i, v := range packet {
+		stateTable += fmt.Sprintf("<tr><td>%v</td><td>0x%04X</td><td>0x%04X</td><td>%d</td></tr>\n", 40001+i, i, v, v)
+	}
+
+	templateMap["Table_State"] = template.HTML(stateTable)
+}
@@ -0,0 +1,48 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <style>
+th, td { padding: 0.5em }
+table.data
+{
+    display: inline-block;
+    text-align: right;
+    font-family: monospace;
+    font-size: 1.2em;
+    border: 1px solid black;
+}
+    </style>
+  </head>
+  <body>
+    <table class="data">
+      <tr>
+        <th>Address</th>
+        <th>Address</th>
+        <th>Value</th>
+        <th>Value</th>
+      </tr>
+      <tr>
+        <th>(Dec)</th>
+        <th>(Hex)</th>
+        <th>(Hex)</th>
+        <th>(Dec)</th>
+      </tr>
+{{.Table_Control}}
+    </table>
+    <table class="data">
+      <tr>
+        <th>Address</th>
+        <th>Address</th>
+        <th>Value</th>
+        <th>Value</th>
+      </tr>
+      <tr>
+        <th>(Dec)</th>
+        <th>(Hex)</th>
+        <th>(Hex)</th>
+        <th>(Dec)</th>
+      </tr>
+{{.Table_State}}
+    </table>
+  </body>
+</html>
@@ -0,0 +1,4 @@		@@ -0,0 +1,4 @@
	1	+bin/
	2	+pkg/
	3	+src/github.com/
	4	+release/
@@ -0,0 +1,4 @@		@@ -0,0 +1,4 @@
	1	+#!/bin/bash
	2	+
	3	+GOPATH=$PWD go get -v service-web
	4	+GOPATH=$PWD GOARCH=arm GOOS=linux go install service-web
@@ -0,0 +1,12 @@		@@ -0,0 +1,12 @@
	1	+#!/bin/bash
	2	+
	3	+./build.sh
	4	+
	5	+if [ ! -d release ]; then
	6	+ mkdir release
	7	+else
	8	+ rm -rf release/*
	9	+fi
	10	+
	11	+cp bin/linux_arm/service-web release/service-web
	12	+cp -rf src/service-web/templates release/
@@ -0,0 +1,104 @@		@@ -0,0 +1,104 @@
	1	+package main
	2	+
	3	+import (
	4	+ "bytes"
	5	+ "encoding/binary"
	6	+ "fmt"
	7	+ "html/template"
	8	+ "log"
	9	+ "net"
	10	+ "sync"
	11	+
	12	+ "github.com/codegangsta/martini"
	13	+ "github.com/codegangsta/martini-contrib/render"
	14	+)
	15	+
	16	+type Header int32
	17	+type Packet [50]uint16
	18	+
	19	+var mutex sync.Mutex
	20	+var templateMap = make(map[string]interface{})
	21	+var controlTable, stateTable string
	22	+
	23	+func main() {
	24	+ go ListenUDP()
	25	+
	26	+ m := martini.Classic()
	27	+
	28	+ m.Use(render.Renderer())
	29	+
	30	+ m.Get("/", func(r render.Render) {
	31	+ mutex.Lock()
	32	+ defer mutex.Unlock()
	33	+
	34	+ r.HTML(200, "main", templateMap)
	35	+ })
	36	+
	37	+ m.Run()
	38	+}
	39	+
	40	+func ListenUDP() {
	41	+ addr, err := net.ResolveUDPAddr("udp", ":40001")
	42	+ if err != nil {
	43	+ log.Fatal(err)
	44	+ }
	45	+
	46	+ conn, err := net.ListenUDP("udp", addr)
	47	+ if err != nil {
	48	+ log.Fatal(err)
	49	+ }
	50	+ defer conn.Close()
	51	+
	52	+ for {
	53	+ b := make([]byte, 1024)
	54	+ _, _, err := conn.ReadFromUDP(b)
	55	+ if err != nil {
	56	+ log.Fatal(err)
	57	+ }
	58	+
	59	+ buf := bytes.NewReader(b)
	60	+
	61	+ var header Header
	62	+ err = binary.Read(buf, binary.LittleEndian, &header)
	63	+ if err != nil {
	64	+ log.Fatal(err)
	65	+ }
	66	+
	67	+ var packet Packet
	68	+ err = binary.Read(buf, binary.LittleEndian, &packet)
	69	+ if err != nil {
	70	+ log.Fatal(err)
	71	+ }
	72	+
	73	+ switch header {
	74	+ case 0:
	75	+ mapControl(packet)
	76	+ case 1:
	77	+ mapState(packet)
	78	+ }
	79	+ }
	80	+}
	81	+
	82	+func mapControl(packet Packet) {
	83	+ mutex.Lock()
	84	+ defer mutex.Unlock()
	85	+
	86	+ controlTable = ""
	87	+ for i, v := range packet {
	88	+ controlTable += fmt.Sprintf("<tr><td>%v</td><td>0x%04X</td><td>0x%04X</td><td>%d</td></tr>\n", 30001+i, i, v, v)
	89	+ }
	90	+
	91	+ templateMap["Table_Control"] = template.HTML(controlTable)
	92	+}
	93	+
	94	+func mapState(packet Packet) {
	95	+ mutex.Lock()
	96	+ defer mutex.Unlock()
	97	+
	98	+ stateTable = ""
	99	+ for i, v := range packet {
	100	+ stateTable += fmt.Sprintf("<tr><td>%v</td><td>0x%04X</td><td>0x%04X</td><td>%d</td></tr>\n", 40001+i, i, v, v)
	101	+ }
	102	+
	103	+ templateMap["Table_State"] = template.HTML(stateTable)
	104	+}
@@ -0,0 +1,48 @@		@@ -0,0 +1,48 @@
	1	+<!DOCTYPE html>
	2	+<html lang="en">
	3	+ <head>
	4	+ <style>
	5	+th, td { padding: 0.5em }
	6	+table.data
	7	+{
	8	+ display: inline-block;
	9	+ text-align: right;
	10	+ font-family: monospace;
	11	+ font-size: 1.2em;
	12	+ border: 1px solid black;
	13	+}
	14	+ </style>
	15	+ </head>
	16	+ <body>
	17	+ <table class="data">
	18	+ <tr>
	19	+ <th>Address</th>
	20	+ <th>Address</th>
	21	+ <th>Value</th>
	22	+ <th>Value</th>
	23	+ </tr>
	24	+ <tr>
	25	+ <th>(Dec)</th>
	26	+ <th>(Hex)</th>
	27	+ <th>(Hex)</th>
	28	+ <th>(Dec)</th>
	29	+ </tr>
	30	+{{.Table_Control}}
	31	+ </table>
	32	+ <table class="data">
	33	+ <tr>
	34	+ <th>Address</th>
	35	+ <th>Address</th>
	36	+ <th>Value</th>
	37	+ <th>Value</th>
	38	+ </tr>
	39	+ <tr>
	40	+ <th>(Dec)</th>
	41	+ <th>(Hex)</th>
	42	+ <th>(Hex)</th>
	43	+ <th>(Dec)</th>
	44	+ </tr>
	45	+{{.Table_State}}
	46	+ </table>
	47	+ </body>
	48	+</html>