From 226a0fbdc61206b58bbc8cd8ddaa250744eaefe4 Mon Sep 17 00:00:00 2001
From: ubuntu201711081 <201711081@jbnu.ac.kr>
Date: Fri, 4 Dec 2020 10:10:40 +0000
Subject: [PATCH] add slow client

---
 Makefile   | 2 ++
 README.md  | 3 ++-
 p-client.c | 3 +++
 p-server.c | 8 ++++++++
 pctest.sh  | 3 +++
 pstest.sh  | 3 +++
 6 files changed, 21 insertions(+), 1 deletion(-)
 create mode 100755 pctest.sh
 create mode 100755 pstest.sh

diff --git a/Makefile b/Makefile
index 338070d..5d57802 100644
--- a/Makefile
+++ b/Makefile
@@ -18,6 +18,8 @@ p-server: socket_wrapper.o p-server.c
 	$(CC) -o p-server p-server.c socket_wrapper.o $(CFLAGS)
 p-client: socket_wrapper.o p-client.c
 	$(CC) -o p-client p-client.c socket_wrapper.o $(CFLAGS)
+p-slowclient: socket_wrapper.o p-client.c
+	$(CC) -o p-slowclient p-client.c socket_wrapper.o $(CFLAGS) -D SLOW_CLIENT=10
 
 .PHONY: clean moveall
 clean:
diff --git a/README.md b/README.md
index b3d9021..f6ec5f9 100644
--- a/README.md
+++ b/README.md
@@ -19,4 +19,5 @@ Available macro:
 - DEFAULT_MAX_PATH_SIZE : 256(must be less than 1000)
 - TIMEOUT : 5(second unit)
 - USE_SENDFILE
-    - DEFAULT_SEND_FILE_CHUNK_SIZE : 0x100000(1MB)
\ No newline at end of file
+    - DEFAULT_SEND_FILE_CHUNK_SIZE : 0x100000(1MB)
+- SLOW_CLIENT(second unit)
\ No newline at end of file
diff --git a/p-client.c b/p-client.c
index 17955d3..9d1fc57 100644
--- a/p-client.c
+++ b/p-client.c
@@ -39,6 +39,9 @@ int sendReadOp(int sock,const char * filename){
         perror("readop send fail");
         return -1;
     }
+    #ifdef SLOW_CLIENT
+    sleep(SLOW_CLIENT);
+    #endif
     if(send(sock,filename,op.file_url_size,0)<0){
         perror("readop filename send fail");
         return -1;
diff --git a/p-server.c b/p-server.c
index 1d5f791..bb67be1 100644
--- a/p-server.c
+++ b/p-server.c
@@ -12,6 +12,7 @@
 #include <signal.h>
 #include <assert.h>
 #include <fcntl.h>
+#include <sys/wait.h>
 #include "socket_wrapper.h"
 
 static const int MAX_LISTEN_SOCKET = 16;
@@ -284,6 +285,13 @@ int main(int argc, const char *argv[]){
             return 0;
         }
     }
+    for (i = 0; i < 3; i++)
+    {
+        int retval;
+        int pid = wait(&retval);
+        printf("[%d] %d: %d\n",i,pid,retval);
+    }
+    
     free(buf);
     return 0;
 }
\ No newline at end of file
diff --git a/pctest.sh b/pctest.sh
new file mode 100755
index 0000000..c15050b
--- /dev/null
+++ b/pctest.sh
@@ -0,0 +1,3 @@
+#! /bin/bash
+cd client_test
+./p-slowclient localhost 9091 test.txt & ./p-client localhost 9091 test.txt & ./p-client localhost 9091 test.txt 
\ No newline at end of file
diff --git a/pstest.sh b/pstest.sh
new file mode 100755
index 0000000..c8cb742
--- /dev/null
+++ b/pstest.sh
@@ -0,0 +1,3 @@
+#! /bin/bash
+cd server_test
+./p-server
\ No newline at end of file