adapted pingpong apllication for the new version ex: pid-ind_in -> pid-ind-ver-in

lib/communication.c

@@ -59,6 +59,7 @@ int file_read (const char *path, char **buf, size_t *msize)
     int ret = 0;
     int ret2 = 0;
     ret = read (fd, *buf, BUFSIZ);
+
     if (ret < 0) {
         fprintf (stderr, "err: read %s\n", path);
     }
@@ -160,8 +161,9 @@ int srv_get_new_process (const struct service *srv, struct process *p)
     }
 
     char *buf = NULL;
-    size_t msize = 0;
+    size_t msize = 0;    
     int ret = file_read (srv->spath, &buf, &msize);
+
     if (ret <= 0) {
         fprintf (stderr, "err: listening on %s\n", srv->spath);
         exit (1);

pingpong/Makefile

@@ -1,6 +1,6 @@
 CC=gcc
 CFLAGS=-Wall -g
-LDFLAGS=
+LDFLAGS= -pthread
 CFILES=$(wildcard *.c) # CFILES => recompiles everything on a C file change
 EXEC=$(basename $(wildcard *.c))
 SOURCES=$(wildcard ../lib/*.c)

pingpong/pingpong.c

@@ -21,7 +21,6 @@ void main_loop (const struct service *srv)
 
         // -1 : error, 0 = no new process, 1 = new process
         ret = srv_get_new_process (srv, &proc);
-        //printf("ret = %d\n", ret);
 
         if (ret == -1) {
             fprintf (stderr, "MAIN_LOOP: error service_get_new_process\n");

pingpong/pingpong.sh

@@ -8,7 +8,9 @@ NB=10
 if [ $# -ne 0 ] && [ "$1" = clean ]
 then
     echo "clean rep ${REP}"
-    rm ${REP}/${SERVICE}
+    rm ${REP}/${SERVICE} 2>/dev/null
+    rm ${REP}/*-in 2>/dev/null
+    rm ${REP}/*-out 2>/dev/null
 
     exit 0
 fi
@@ -21,19 +23,19 @@ fi
 for pid in `seq 1 ${NB}`
 do
     # we make the application pipes
-    mkfifo ${REP}${pid}-1-in 2>/dev/null
-    mkfifo ${REP}${pid}-1-out 2>/dev/null
+    mkfifo ${REP}${pid}-1-5-in 2>/dev/null
+    mkfifo ${REP}${pid}-1-5-out 2>/dev/null
 
     # pid index version
     echo "${pid} 1 5" > ${REP}${SERVICE}
 
     # the purpose is to send something in the pipe
-    cat /dev/urandom | base64 | head -n 1 > ${REP}${pid}-1-out
-    # echo "hello world" > ${REP}${pid}-1-out
+    cat /dev/urandom | base64 | head -n 1 > ${REP}${pid}-1-5-out
+    # echo "hello world" > ${REP}${pid}-1-5-out
 
     # the the service will answer with our message
     echo "pid : ${pid}"
-    cat ${REP}/${pid}-1-in
+    cat ${REP}${pid}-1-5-in
 done
 
     echo "clean rep"