X-Git-Url: https://hackdaworld.org/gitweb/?p=physik%2Fnlsop.git;a=blobdiff_plain;f=nlsop_server.c;h=ea4579164d0de297e6b3f790aca0746399fb819c;hp=e68a4493a90c7b5fdce4f689c51056e3e3df3b3b;hb=9ba8efd9cd20fa8047c4583dbadb18308401894a;hpb=1be202092955615e3448b1ab1b746347eb20cca3

diff --git a/nlsop_server.c b/nlsop_server.c
index e68a449..ea45791 100644
--- a/nlsop_server.c
+++ b/nlsop_server.c
@@ -39,6 +39,7 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <unistd.h>
+#include <signal.h>
 
 #include "nlsop.h"
 #include "dfbapi.h"
@@ -50,6 +51,18 @@
 
 #include "nlsop_general.h"
 
+/* globals */
+int *gi;
+t_net *gnet;
+t_event *gevent;
+t_list *gc_list;
+t_list *gg_list;
+int alert;
+
+/*
+ * server specific stuff
+ */
+
 int usage(char *prog)
 {
  puts("usage:");
@@ -57,10 +70,6 @@ int usage(char *prog)
  return 1;
 }
 
-/*
- * server specific stuff
- */
-
 int add_node(t_net *net,t_event *event,t_list *c_list,t_list *g_list) {
 
   int channel;
@@ -86,11 +95,13 @@ int add_node(t_net *net,t_event *event,t_list *c_list,t_list *g_list) {
   if(data==NLSOP_GUI) {
     gui_chan=channel;
     list_add_element(g_list,&gui_chan,sizeof(int));
+    printf("node is a gui\n");
   }
   else if(data==NLSOP_CLIENT) {
     client.status=IDLE;
     client.channel=channel;
     list_add_element(c_list,&client,sizeof(t_client));
+    printf("node is a client\n");
   }
   else {
     printf("not a client or gui - lets kick that ass out of here!\n");
@@ -101,6 +112,8 @@ int add_node(t_net *net,t_event *event,t_list *c_list,t_list *g_list) {
   /* if we have a new node - care for it! */
   event_math(net->connection[channel].fd,event,READ,ADD);
 
+  printf("\n");
+
   return 1;
 }
 
@@ -194,6 +207,9 @@ int add_job(t_net *net,int chan,t_list *jl) {
   job.step=0;
 
   list_add_element(jl,&job,sizeof(t_job));
+  
+  printf("job added: b=%f | c=%f | s=%f ...\n",
+         job.info.b,job.info.c,job.info.s);
 
   return 1;
 }
@@ -227,16 +243,17 @@ int handle_node(t_net *net,t_event *event,
   t_client *c;
   t_job *j;
 
+  gi=&i;
+
   for(i=0;i<MAX_CONNECTIONS;i++) {
     if(FD_ISSET(net->connection[i].fd,&(event->rfds))) {
 
-      if(network_receive_chan(net,i,&data,1)==N_ERROR) {
-        printf("connection to client (ch %d) fucked up!\n",i);
-        event_math(net->connection[i].fd,event,READ,REMOVE);
-        network_close(net,i);
-        list_del_current(c_list);
-        return -1;
-      }
+      alert=0;
+      alarm(1);
+      network_receive_chan(net,i,&data,1);
+      alarm(0);
+
+      if(alert==1) return -1;
 
       if(list_search_data(c_list,&i,sizeof(int))==L_SUCCESS) {
         /* it's a client */
@@ -250,12 +267,14 @@ int handle_node(t_net *net,t_event *event,
           c->status=IDLE;
           /* delete job entry */
           list_del_current(job);
+          printf("job ended, saved and removed from list.\n");
         }
 
         if(data==DC_OK) {
           save_job(net,i,j,DC_OK);
           /* inc progress state */
           j->progress+=1;
+          printf("job at next level, saved.\n");
         }
 
         if(data==DC_QUIT) {
@@ -267,6 +286,7 @@ int handle_node(t_net *net,t_event *event,
           list_del_current(c_list);
           /* change job state */
           j->status=IN_QUEUE;
+          printf("client terminating, job queued, client removed.\n");
         }
       }
 
@@ -296,6 +316,8 @@ int handle_node(t_net *net,t_event *event,
       }
     }
   }
+
+  printf("\n");
    
   return 1;
 }
@@ -318,6 +340,8 @@ int distribute_jobs(t_event *event,void *allineed) {
   g_list=(t_list *)addr[2];
   job=(t_list *)addr[3];
 
+  printf("d: distributing jobs ...\n");
+
   count_j=list_count(job);
   count_c=list_count(c_list);
 
@@ -394,6 +418,25 @@ int parse_incoming(t_event *event,void *allineed) {
   return 1;
 }
 
+void destroy_it(int signum) {
+
+  printf("connection to client (ch %d) fucked up!\n",*gi);
+  event_math(gnet->connection[*gi].fd,gevent,READ,REMOVE);
+  network_close(gnet,*gi);
+  if(list_search_data(gc_list,gi,sizeof(int))==L_SUCCESS) {
+    list_del_current(gc_list);
+    printf("removed client from list\n");
+  }
+  if(list_search_data(gg_list,gi,sizeof(int))==L_SUCCESS) {
+    list_del_current(gg_list);
+    printf("removed gui from list\n");
+  }
+
+  alert=1;
+  alarm(0);
+
+}
+
 /*
  * main program
  */
@@ -410,6 +453,11 @@ int main(int argc,char **argv)
   void *allyouneed;
   unsigned int addr[4];
 
+  gnet=&net;
+  gevent=&event;
+  gc_list=&c_list;
+  gg_list=&g_list;
+
   /* tzzz ... */
   allyouneed=(void *)addr;
   addr[0]=(unsigned int)&net;
@@ -441,6 +489,9 @@ int main(int argc,char **argv)
     return -1;
   }
 
+  /* install sighandler */
+  signal(SIGALRM,destroy_it);
+
   /* wait for events :) */
   event_math(net.l_fd,&event,READ,ADD);
   printf("\nNLSOP_SERVER started!\n\n");