[Webproxy-lab] Echo server communication

GIT

 

0. echo 디렉토리 생성 및 Makefile 수정

 

 

# makefile (echo)

CC = gcc
CFLAGS = -O2 -Wall -I .
LIB = -lpthread

all: echoclient echoserver

echoclient: echoclient.c csapp.o
	$(CC) $(CFLAGS) -o echoclient echoclient.c csapp.o $(LIB)

echoserver: echoserver.c csapp.o
	$(CC) $(CFLAGS) -o echoserver echoserver.c csapp.o $(LIB)

csapp.o: csapp.c
	$(CC) $(CFLAGS) -c csapp.c

clean:
	rm -f *.o echoclient echoserver *~

 

 

1. echoclient.c 

 

 

 

2. echoserver.c

 

 

 

---

1. Server port != Client port

 

Server port = 5000

 

Client port = 4000

 

2. Server port == Client port

 

Client send / recieve

Server recieve

---

# Todo

 

Tiny Web Server

Proxy-lab