add slow client

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:

README.md

@@ -20,3 +20,4 @@ Available macro:
 - TIMEOUT : 5(second unit)
 - USE_SENDFILE
     - DEFAULT_SEND_FILE_CHUNK_SIZE : 0x100000(1MB)
+- SLOW_CLIENT(second unit)

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;

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;
 }

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 

pstest.sh

@@ -0,0 +1,3 @@
+#! /bin/bash
+cd server_test
+./p-server