update example

bin/discover.c

@@ -27,31 +27,55 @@
 
 #include "bdsm.h"
 
+static void print_entry(const char *what, void *p_opaque,
+                        netbios_ns_entry *entry)
+{
+  struct in_addr addr;
+
+  addr.s_addr = netbios_ns_entry_ip(entry);
+
+  printf("%s(%p): Ip: %s, name: %s/%s<%x>\n",
+    what,
+    p_opaque,
+    inet_ntoa(addr),
+    netbios_ns_entry_group(entry),
+    netbios_ns_entry_name(entry),
+    netbios_ns_entry_type(entry));
+}
+
+static void on_entry_added(void *p_opaque, netbios_ns_entry *entry)
+{
+  print_entry("added", p_opaque, entry);
+}
+
+static void on_entry_removed(void *p_opaque, netbios_ns_entry *entry)
+{
+  print_entry("removed", p_opaque, entry);
+}
+
 int main()
 {
-  netbios_ns        *ns;
-  netbios_ns_entry  *entry;
+  netbios_ns *ns;
+  netbios_ns_discover_callbacks callbacks;
 
   ns = netbios_ns_new();
 
-  if (!netbios_ns_discover(ns))
+  callbacks.p_opaque = (void*)0x42;
+  callbacks.pf_on_entry_added = on_entry_added;
+  callbacks.pf_on_entry_removed = on_entry_removed;
+
+  printf("Discovering...\nPress Enter to quit\n");
+  if (!netbios_ns_discover_start(ns,
+                                 4, // broadcast every 4 seconds
+                                 &callbacks))
   {
     fprintf(stderr, "Error while discovering local network\n");
     exit(42);
   }
 
-  for (int i = 0; i < netbios_ns_entry_count(ns); i++)
-  {
-    struct in_addr addr;
-
-    entry       = netbios_ns_entry_at(ns, i);
-    addr.s_addr = netbios_ns_entry_ip(entry);
+  getchar();
 
-    printf("Ip: %s, name: %s<%x> \n",
-      inet_ntoa(addr),
-      netbios_ns_entry_name(entry),
-      netbios_ns_entry_type(entry));
-  }
+  netbios_ns_discover_stop(ns);
 
   return (0);
 }

www/source/c/example2.c

@@ -4,31 +4,55 @@
 
 #include <bsdm/bdsm.h>
 
+static void print_entry(const char *what, void *p_opaque,
+                        netbios_ns_entry *entry)
+{
+  struct in_addr addr;
+
+  addr.s_addr = netbios_ns_entry_ip(entry);
+
+  printf("%s(%p): Ip: %s, name: %s/%s<%x>\n",
+    what,
+    p_opaque,
+    inet_ntoa(addr),
+    netbios_ns_entry_group(entry),
+    netbios_ns_entry_name(entry),
+    netbios_ns_entry_type(entry));
+}
+
+static void on_entry_added(void *p_opaque, netbios_ns_entry *entry)
+{
+  print_entry("added", p_opaque, entry);
+}
+
+static void on_entry_removed(void *p_opaque, netbios_ns_entry *entry)
+{
+  print_entry("removed", p_opaque, entry);
+}
+
 int main()
 {
-  netbios_ns        *ns;
-  netbios_ns_entry  *entry;
+  netbios_ns *ns;
+  netbios_ns_discover_callbacks callbacks;
 
   ns = netbios_ns_new();
 
-  if (!netbios_ns_discover(ns))
+  callbacks.p_opaque = (void*)0x42;
+  callbacks.pf_on_entry_added = on_entry_added;
+  callbacks.pf_on_entry_removed = on_entry_removed;
+
+  printf("Discovering...\nPress Enter to quit\n");
+  if (!netbios_ns_discover_start(ns,
+                                 4, // broadcast every 4 seconds
+                                 &callbacks))
   {
     fprintf(stderr, "Error while discovering local network\n");
     exit(42);
   }
 
-  for (int i = 0; i < netbios_ns_entry_count(ns); i++)
-  {
-    struct in_addr addr;
-
-    entry       = netbios_ns_entry_at(ns, i);
-    addr.s_addr = netbios_ns_entry_ip(entry);
+  getchar();
 
-    printf("Ip: %s, name: %s<%x> \n",
-      inet_ntoa(addr),
-      netbios_ns_entry_name(entry),
-      netbios_ns_entry_type(entry));
-  }
+  netbios_ns_discover_stop(ns);
 
   return (0);
 }