add client.py and server.py

Client/client.go

@@ -0,0 +1,20 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+	"net/http/httputil"
+)
+
+func main() {
+	// 指定したURLにGETを発行する
+	res, err := http.Get("http://localhost:8080/hi")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// GETのレスポンスの取得
+	dumpRes, _ := httputil.DumpResponse(res, true)
+	fmt.Printf("%s", dumpRes)
+}

Client/client.py

@@ -0,0 +1,17 @@
+# クライアントを作成
+
+import socket
+
+bufsize = 4096
+url = b"http://3.113.12.158/hi"
+
+with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
+    # サーバを指定
+    s.connect(("3.113.12.158", 80))
+    # サーバにメッセージを送る
+    s.sendall(url)
+    # サーバからの文字列を取得する
+    response = s.recv(bufsize)
+    print(response.decode("utf-8"))
+    # ip = s.recv(bufsize)
+    # print(ip.decode("utf-8"))

Curl.md

@@ -1 +1,17 @@
 # Please show HTTP Request and Response using curl command
+*   Trying ::1...
+* TCP_NODELAY set
+* Connected to localhost (::1) port 8080 (#0)
+> GET /hi HTTP/1.1
+> Host: localhost:8080
+> User-Agent: curl/7.63.0
+> Accept: */*
+> 
+< HTTP/1.1 200 OK
+< Hello: BasicHTTP!
+< Date: Sat, 06 Jun 2020 16:57:48 GMT
+< Content-Length: 36
+< Content-Type: text/plain; charset=utf-8
+< 
+* Connection #0 to host localhost left intact
+192.168.10.5fe80::c1e:fd62:eb52:bc58

README.md

@@ -1,6 +1,12 @@
 # Exp3BasicHttp
 For Labo of Basic HTTP for Exp3 of Univ
 
+## Mission
+
+1. show Server Directory README.md
+2. show Client Directory README.md
+2. show Curl.md
+
 ## Setup
 
 1. access 'https://github.com/Hardw01f/Exp3BasicHttp'

Server/README.md

@@ -1,9 +1,24 @@
 # Please write code of simple HTTP(Web) server
 
+write this directory
+
 ## Specification
 
 - write by using favorit language
 
 - listen the API '/hi'
 - return your IP address in Response Body
 - return 'Hello: BasicHTTP!' Header in Response Header
+
+## Response Exsample
+
+```
+HTTP/1.1 200 OK
+Hello: BasicHTTP!
+Date: Tue, 26 May 2020 06:53:14 GMT
+Content-Length: 13
+Content-Type: text/plain; charset=utf-8
+
+10.10.11.194
+
+```

Server/server.go

@@ -0,0 +1,60 @@
+package main
+
+import (
+	"fmt"
+	"net"
+	"net/http"
+	"os"
+	"strings"
+)
+
+// API "/hi"のときに呼ばれる関数
+func handleHi(w http.ResponseWriter, req *http.Request) {
+	// header
+
+	// 送られてきたHTTPリクエストメソッドを取得
+	method := req.Method
+	fmt.Println("Get GETRequest!")
+	fmt.Println("[method]" + method)
+
+	// HTTPリクエストヘッダの取得
+	for key, value := range req.Header {
+		fmt.Print("[header]" + key)
+		fmt.Println(": " + strings.Join(value, ","))
+	}
+	fmt.Print("\n")
+
+	// GET
+	if method == "GET" {
+
+		// ヘッダの追加
+		w.Header().Set("Hello", "BasicHTTP!")
+
+		// IPアドレスの取得
+		hostname, err := os.Hostname()
+		if err != nil {
+			fmt.Printf("hostnameが取れません: %v\n", err)
+			return
+		}
+
+		addrs, err := net.LookupIP(hostname)
+		if err != nil {
+			fmt.Printf("IPが取れません: %v\n", err)
+			return
+		}
+
+		for _, a := range addrs {
+			// Fprintで書き込み先を明示的に指定
+			fmt.Fprint(w, a)
+		}
+
+	}
+}
+
+func main() {
+	// API(URL)によって呼び出す関数を決める。ルーティング的な？
+	http.HandleFunc("/hi", handleHi)
+	fmt.Println("Server start!")
+	// ポートの指定とサーバの起動
+	http.ListenAndServe(":8080", nil)
+}

Server/server.py

@@ -0,0 +1,47 @@
+# socket サーバを作成
+import socket
+import datetime
+bufsize = 4096
+
+host = socket.gethostname()
+ip = socket.gethostbyname(host)
+# today = datetime.datetime.now(datetime.timezone.utc)
+# print(today)
+
+# AF = IPv4 という意味
+# TCP/IP の場合は、SOCK_STREAM を使う
+with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
+    # IPアドレスとポートを指定
+    s.bind((socket.gethostname(),80))
+    # 1 接続
+    s.listen(1)
+    # connection するまで待つ
+    while True:
+        print("server 起動")
+        # 誰かがアクセスしてきたら、コネクションとアドレスを入れる
+        conn, addr = s.accept()
+        with conn:
+            url = conn.recv(bufsize)
+            print(url.decode())
+            if "/hi" in url.decode():
+                conn.send(bytes("HTTP/1.1 200 OK\n"
+                +"Hello: BasicHTTP!\n"
+                +"Date: Tue, 26 May 2020 06:53:14 GMT\n"
+                +"Content-Length: 1\n"
+                +"Content-Type: text/html\n"+"\n{0}".format(ip), "utf-8"))
+            else:
+                break
+
+            # conn.send(bytes(ip, "utf-8"))
+
+
+            # while True:
+                # # データを受け取る
+                # url = conn.recv(1024).decode("utf-8")
+                # print(url.split("/"))
+                # if not url:
+                #     break
+                # # print('data : {}, addr: {}'.format(data, addr))
+                # # クライアントにデータを返す(b -> byte でないといけない)
+                # # conn.sendall(b'Received: ' + data)
+                # conn.send(bytes("server ip: {0}".format(ip), "utf-8"))