From b947acff653562c5be7d21128555a16f87924d18 Mon Sep 17 00:00:00 2001
From: hackbard <hackbard>
Date: Mon, 8 Nov 2004 23:30:07 +0000
Subject: [PATCH] network problems partially fixed

---
 nlsop_client.c | 35 ++++++++++++++++++++++++++++++-----
 1 file changed, 30 insertions(+), 5 deletions(-)

diff --git a/nlsop_client.c b/nlsop_client.c
index ce42433..3f76549 100644
--- a/nlsop_client.c
+++ b/nlsop_client.c
@@ -66,6 +66,7 @@ int *gi;
 unsigned char dc;
 
 int get_data_and_calc(t_event *event,void *allineed);
+int nop(t_event *event,void *allineed);
 
 int usage(char *prog)
 {
@@ -304,19 +305,28 @@ u32 get_reject_graph(info *my_info,d3_lattice *d3_l,char *file,u32 *graph) {
 void send_data(int signum) {
 
   int c;
+  unsigned char data;
 
   c=gd3_l->max_x*gd3_l->max_y*gd3_l->max_z;
 
+  printf("%d <-\n",c);
+
   network_send(gnet->connection[0].fd,&dc,1);
   /*
   network_send(gnet->connection[0].fd,(unsigned char *)gd3_l,
                sizeof(d3_lattice));
   network_send(gnet->connection[0].fd,(unsigned char *)gmy_info,sizeof(info));
   */
+  printf("debug: sent dc\n");
   network_send(gnet->connection[0].fd,gd3_l->status,c*sizeof(unsigned char));
+  network_receive(gnet->connection[0].fd,&data,sizeof(unsigned char));
+  printf("debug: sent ac\n");
   network_send(gnet->connection[0].fd,(unsigned char *)gd3_l->extra,
                c*sizeof(int));
+  network_receive(gnet->connection[0].fd,&data,sizeof(unsigned char));
+  printf("debug: sent cc\n");
   network_send(gnet->connection[0].fd,(unsigned char *)gi,sizeof(int));
+  network_receive(gnet->connection[0].fd,&data,sizeof(unsigned char));
 
 }
 
@@ -397,7 +407,12 @@ int main(int argc,char **argv)
   /* wait for job */
   event_math(net.connection[0].fd,&event,READ,ADD);
   printf("idle, waiting for jobs ...\n");
-  event_start(&event,NULL,get_data_and_calc,NULL);
+  event_start(&event,NULL,get_data_and_calc,nop);
+
+  return 1;
+}
+
+int nop(t_event *event,void *allineed) {
 
   return 1;
 }
@@ -413,7 +428,7 @@ int get_data_and_calc(t_event *event,void *allineed) {
   u32 x_c,y_c,z_c;
   int i,j;
   int c_step;
-  unsigned char data[256];
+  unsigned char data;
 
   t_net *net;
 
@@ -430,8 +445,8 @@ int get_data_and_calc(t_event *event,void *allineed) {
   printf("got a new job ...\n");
   
   /* get info (+data) */
-  network_receive(net->connection[0].fd,data,1);
-  if(data[0]==NLSOP_NJOB || data[0]==NLSOP_CJOB) {
+  network_receive(net->connection[0].fd,&data,sizeof(unsigned char));
+  if(data==NLSOP_NJOB || data==NLSOP_CJOB) {
     network_receive(net->connection[0].fd,(unsigned char *)&d3_l,
                     sizeof(d3_lattice));
     network_receive(net->connection[0].fd,(unsigned char *)&my_info,
@@ -448,15 +463,23 @@ int get_data_and_calc(t_event *event,void *allineed) {
       printf("extra malloc failed\n");
       return -1;
     }
-    if(data[0]==NLSOP_CJOB) {
+    if(data==NLSOP_CJOB) {
+      data=DATA_OK;
       network_receive(net->connection[0].fd,d3_l.status,
                       j*sizeof(unsigned char));
+      network_send(net->connection[0].fd,&data,sizeof(unsigned char));
       network_receive(net->connection[0].fd,(unsigned char *)d3_l.extra,
                       j*sizeof(int));
+      network_send(net->connection[0].fd,&data,sizeof(unsigned char));
       network_receive(net->connection[0].fd,(unsigned char *)&c_step,
                       sizeof(int));
+      network_send(net->connection[0].fd,&data,sizeof(unsigned char));
     }
   }
+  else {
+    printf("unknown instruction, restarting ...\n");
+    return -1;
+  }
 
   printf("starting simulation with following parameters:\n");
   printf("b = %f | c = %f | s = %f\n",my_info.b,my_info.c,my_info.s);
@@ -533,6 +556,8 @@ int get_data_and_calc(t_event *event,void *allineed) {
   dc=DC_QUIT;
 
   /* shutdown/free/close everything now ... */
+  free(d3_l.status);
+  free(d3_l.extra);
 
   return 1;
 }
-- 
2.20.1