client.c: Added update option

The client now checks if it was called with update option. If that is true,
the client will check for updates and finalize execution, returning
appropriate messages. Otherwise, the client will not check for updates, but
will send the availability data to the server.

Signed-off-by: ERIK ALEXANDRE PUCCI <eap08@c3sl.ufpr.br>
Acked-by: Bruno Ribas <ribas@c3sl.ufpr.br>
Acked-by: Diego Giovane Pasqualin <dgp06@c3sl.ufpr.br>
Signed-off-by: Danilo K. S. Yorinori <danilok@c3sl.ufpr.br>

src/client.c

@@ -35,39 +35,42 @@ int main(int argc, char **argv)
 {
     struct soap *soap = soap_new();
     char *url, *inep, *macAddr, *basedir, *clientVersion;
-    int arglen, len;
+    int arglen, len, update = 0;
 
     /* Initialization *
      *-----------------------------------------------------------------------
      * Verify parameters */
-    if ( argc < 4 || argc > 8 || argc == 7)
+    if ( argc < 4 || argc > 9 || ((update = !strcmp(argv[1], UPDATEOPTION))
+         && argc == 8) || (!update && argc == 7) )
     {
         fprintf(stderr, "Wrong number of parameters.\n");
-        fprintf(stderr, "Usage: client url INEP MacAddress [proxy_host ");
-        fprintf(stderr, "[proxy_port [proxy_userid proxy_passwd]]]\n");
+        fprintf(stderr, "Usage: client [--update] url INEP MacAddress ");
+        fprintf(stderr, "[proxy_host [proxy_port [proxy_userid ");
+        fprintf(stderr, "proxy_passwd]]]\nUse the option ");
+        fprintf(stderr, "\"--update\" to check for updates.\n");
         /* Parameter error */
         exit(1);
     }
 
     /* Set parameters passed by user
      * Basic information */
-    url = argv[1];
-    inep = argv[2];
-    macAddr = argv[3];
+    url = argv[1 + update];
+    inep = argv[2 + update];
+    macAddr = argv[3 + update];
 
     /* Proxy informations */
-    if (argc >= 5)
+    if (argc >= 5 + update)
     {
-        soap->proxy_host = argv[4];
+        soap->proxy_host = argv[4 + update];
     }
-    if (argc >= 6)
+    if (argc >= 6 + update)
     {
-        soap->proxy_port = atoi(argv[5]);
+        soap->proxy_port = atoi(argv[5 + update]);
     }
-    if (argc >= 8)
+    if (argc >= 8 + update)
     {
-        soap->proxy_userid = argv[6];
-        soap->proxy_passwd = argv[7];
+        soap->proxy_userid = argv[6 + update];
+        soap->proxy_passwd = argv[7 + update];
     }
 
     /* Get basedir */
@@ -81,22 +84,29 @@ int main(int argc, char **argv)
         printf("Arg: %s basedir: %s\n", argv[0], basedir);
     }
 
+    /* End of Initialization
+     *-----------------------------------------------------------------------
+     * Update option */
+    if (update)
+    {
         /* Get client version from file */
         if ( ! (clientVersion = read_version_file(basedir)) )
         {
             /* Error when open version file */
             exit(3);
         }
-
-    /* End of Initialization
-     *-----------------------------------------------------------------------
-     * Agent Version method */
+        /* Agent Version method */
         check_version(soap, url, clientVersion);
-    /* End of Agent Version method
+    }
+    /* End of Update option
      *------------------------------------------------------------------------
-     * Availability method */
+     * Update option off */
+    else
+    {
+        /* Availability method */
         availability(soap, url, inep, macAddr);
-    /* End of Availability method
+    }
+    /* End of update option off
      *------------------------------------------------------------------------
      * Finalize execution */
     soap_end(soap);