support for multiple ghdl models

1 files changed, 79 insertions, 8 deletions

diff --git a/src/model_generation.py b/src/model_generation.py
index 772cbb5..40a4b4a 100644
--- a/src/model_generation.py
+++ b/src/model_generation.py
@@ -143,7 +143,7 @@ cfunc=open('cfunc.mod','w')
 print "Building content for cfunc.mod file"
 
 comment='''/* This is cfunc.mod file auto generated by gen_con_info.py
-Developed by Fahim at IIT Bombay */ \n 
+Developed by Fahim, Rahul at IIT Bombay */ \n 
         '''
 
 header='''
@@ -217,6 +217,8 @@ systime_info='''
         fprintf(log_client,"Setup Client Server Connection at %s \\n",ctime(&systime));                                                         
 '''
 
+
+
 init_else='''
         printf("Client-Inside else of INIT \\n");                                                                                               
         fprintf(log_client,"Inside else of INIT \\n");                                                                                          
@@ -233,13 +235,80 @@ for item in output_port:
     els_evt_count1=els_evt_count1+1
 
 
-client_setup='''
-        /* Client setup */                                                                                                                     
-        //Default hostname assignment                                                                                                          
-        host = gethostbyname("127.0.0.1");                                                                                                     
+client_setup_ip='''
+        /* Client Setup IP Addr */
+        FILE *fptr; 
+        int ip_count = 0;
+        char my_ip[20];
+
+        fptr = fopen("/tmp/NGHDL_COMMON_IP.txt", "r"); 
+        if (fptr) 
+        { 
+            char line[20];
+            while(fscanf(fptr, "%s", line) == 1) {
+                ip_count++;
+            }
+
+            fclose(fptr);
+        }
+     
+        if (ip_count < 255) {
+            sprintf(my_ip, "127.0.0.%d", ip_count+1);
+        } else {
+            sprintf(my_ip, "127.0.%d.1", (ip_count+1)%256);
+        }
+
+        fptr = fopen("/tmp/NGHDL_COMMON_IP.txt", "a");
+        if (fptr)
+        {
+            fprintf(fptr, "%s\\n", my_ip);   
+            fclose(fptr);
+        } else {
+            perror("fopen() - Common IP");
+            exit(1);
+        }
+
+
+        char ip_filename[300];
+''' 
+client_setup_ip +='sprintf(ip_filename,"'+home+'/ngspice-nghdl/src/xspice/icm/ghdl/'+fname.split('.')[0]+'/DUTghdl/NGHDL_IP.txt");'
+client_setup_ip +='''
+        fptr = fopen(ip_filename, "w");
+        if(fptr)
+        {
+            fprintf(fptr, "%s\\n", my_ip);
+            fclose(fptr);
+        } else {
+            perror("fopen() - IP file");
+            exit(1);
+        }
+'''
+
+client_fetch_ip='''
+        /* Client Fetch IP Addr */ 
+        
+        char lo_ip[20];
+        char ip_filename[300];
+'''
+client_fetch_ip +='sprintf(ip_filename,"'+home+'/ngspice-nghdl/src/xspice/icm/ghdl/'+fname.split('.')[0]+'/DUTghdl/NGHDL_IP.txt");\n'
+client_fetch_ip +='''
+        FILE* fp = fopen(ip_filename, "r");
+        if (fp)
+        {
+            if (fscanf(fp, "%s", lo_ip) != EOF)
+            {
+                fclose(fp);
+            }
+        } else {
+            perror("fopen() - NGHDL_IP file");
+            exit(1);
+        }
+
+        host = gethostbyname(lo_ip);
         printf("Client-Creating Client Socket \\n");                                                                                             
         fprintf(log_client,"Creating client socket \\n"); 
 '''
+
 create_socket='''
         //Creating socket for client                                                                                                           
         if ((socket_fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)                                                                               
@@ -471,10 +540,12 @@ for item in cm_event_get_ptr:
     cfunc.write("\n")
 cfunc.write(systime_info)
 cfunc.write("\n")
-cfunc.write("\t\tchar command[1024];")
+cfunc.write(client_setup_ip)
+cfunc.write("\n")
+cfunc.write("\t\tchar command[1024];\n")
 cfunc.write('\t\tsnprintf(command,1024,"'+home+'/ngspice-nghdl/src/xspice/icm/ghdl/'+fname.split('.')[0]+'/DUTghdl/start_server.sh %d &",sock_port);\n')
 cfunc.write('\t\tsystem(command);')
-cfunc.write("\t}")
+cfunc.write("\n\t}")
 cfunc.write("\n")
 cfunc.write("\telse\n\t{\n")
 
@@ -484,7 +555,7 @@ for item in els_evt_ptr:
 cfunc.write("\t}")
 cfunc.write("\n\n")
 cfunc.write("\tif(flag==0)\n\t{")
-cfunc.write(client_setup)
+cfunc.write(client_fetch_ip)
 cfunc.write(create_socket)
 cfunc.write(connect_server)
 cfunc.write(time_limit)