From 3cb928900ffb1d2799bd7e8e1871aaf8d89b56cf Mon Sep 17 00:00:00 2001
From: mjm <mjm>
Date: Fri, 27 Dec 2002 16:35:28 +0000
Subject: cleanup, new protocol, renaming of some functions, GUI has to update!

---
(limited to 'noncore/net/wellenreiter/libwellenreiter/source/wl_proto.cc')

diff --git a/noncore/net/wellenreiter/libwellenreiter/source/wl_proto.cc b/noncore/net/wellenreiter/libwellenreiter/source/wl_proto.cc
new file mode 100644
index 0000000..f15523f
--- a/dev/null
+++ b/noncore/net/wellenreiter/libwellenreiter/source/wl_proto.cc
@@ -0,0 +1,132 @@
+/*
+ * Communication protocol
+ *
+ * $Id$
+ */
+
+#include "wl_proto.hh"
+#include "wl_log.hh"
+#include "wl_sock.hh"
+
+/* Adds a field to the buffer */
+int add_field(char *buffer, char *string, int len)
+{
+  char newlen[5];
+  
+  /* 3 Byte = Length */
+  snprintf(newlen, sizeof(newlen) - 1, "%.3d", len);
+  memcpy(buffer, newlen, 3);
+  
+  /* Length bytes = Value */
+  memcpy(buffer + 3, string, atoi(newlen));
+  
+  /* Return length of attached field */
+  return (atoi(newlen) + 3);
+}
+
+int get_field(const char *buffer, char *out)
+{
+  char len[5];
+
+  /* Get length of value */
+  memcpy(len, buffer, 3);
+
+  /* Copy buffer to out pointer */
+  memset(out, 0, atoi(len) + 1);
+  memcpy(out, buffer + 3, atoi(len));
+
+  return atoi(len) + 3;
+}
+
+/* Send found network to GUI */
+int send_network_found (const char *guihost, int guiport, void *structure)
+{
+  wl_network_t *ptr;
+  char buffer[2048];
+  char temp[128];
+  int retval=0, len=0;
+
+  memset(temp, 0, sizeof(temp));
+
+  ptr = (wl_network_t *)structure;
+
+  /* Type = Found new net (without length field) */
+  memset(temp, 0, sizeof(temp));
+  snprintf(temp, sizeof(temp), "%.2d", NETFOUND);
+  memcpy(buffer, temp, 2);
+  len += 2;
+
+  /* Set Net-type */
+  memset(temp, 0, sizeof(temp));
+  snprintf(temp, sizeof(temp), "%d", ptr->net_type);
+  retval = add_field(buffer + len, temp, 1);
+  len += retval;
+
+  /* Set channel */
+  memset(temp, 0, sizeof(temp));
+  snprintf(temp, sizeof(temp), "%.2d", ptr->channel);
+  retval = add_field(buffer + len, temp, 2); 
+  len += retval;
+
+  /* Set WEP y/n */
+  memset(temp, 0, sizeof(temp));
+  snprintf(temp, sizeof(temp), "%d", ptr->wep);
+  retval = add_field(buffer + len, temp, 1);
+  len += retval;
+
+  /* Set Mac */
+  retval = add_field(buffer + len, (char *)ptr->mac, 17);
+  len += retval;
+
+  /* Set ssid */
+  retval = add_field(buffer + len, (char *)ptr->bssid, ptr->ssid_len);
+
+  /* Send prepared buffer to GUI */
+#ifdef DEBUG
+  wl_loginfo("Sending network to GUI: '%s'", buffer);
+#endif
+
+  wl_send(guihost, guiport, buffer);
+
+  return 1;
+}
+
+/* Fill buffer into structur */
+int get_network_found (void *structure, const char *buffer)
+{
+  wl_network_t *ptr;
+  char temp[512];
+  int retval=0, len=0;
+
+  ptr = (wl_network_t *)structure;
+  
+  /* packet type already determined */
+  len += 2;
+
+  /* Get net type */
+  memset(temp, 0, sizeof(temp));
+  retval = get_field(buffer + len, temp);
+  len += retval;
+  ptr->net_type = atoi(temp); 
+   
+  /* Get channel */
+  memset(temp, 0, sizeof(temp));
+  retval = get_field(buffer + len, temp);
+  len += retval;
+  ptr->channel = atoi(temp);
+
+  /* Set WEP y/n */
+  memset(temp, 0, sizeof(temp));
+  retval = get_field(buffer + len, temp);
+  len += retval;
+  ptr->wep = atoi(temp);
+
+  /* Set MAC address */
+  retval = get_field(buffer + len, ptr->mac);
+  len += retval;
+
+  /* Set BSSID */
+  retval = get_field(buffer + len, ptr->bssid);
+
+  return 1;
+}
--
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