summaryrefslogtreecommitdiff
path: root/src/server.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/server.cpp')
-rw-r--r--src/server.cpp53
1 files changed, 53 insertions, 0 deletions
diff --git a/src/server.cpp b/src/server.cpp
index 1ab5b5efd..ac693adb1 100644
--- a/src/server.cpp
+++ b/src/server.cpp
@@ -131,9 +131,62 @@ bool InspIRCd::FindServerName(const std::string &servername)
return false;
}
+/*
+ * Retrieve the next valid UUID that is free for this server.
+ */
std::string InspIRCd::GetUID()
{
+ bool HasUID = false;
+ int i;
+ while (!HasUID)
+ {
+ /*
+ * Okay. The rules for generating a UID go like this...
+ * -- > ABCDEFGHIJKLMNOPQRSTUVWXYZ --> 012345679 --> WRAP
+ * That is, we start at A. When we reach Z, we go to 0. At 9, we go to
+ * A again, in an iterative fashion.. so..
+ * AAA9 -> AABA, and so on. -- w00t
+ */
+
+ /* start at the end of the current UID string, work backwards. don't trample on SID! */
+ for (i = UUID_LENGTH - 2; i > 3; i--)
+ {
+ if (current_uid[i] == 'Z')
+ {
+ /* reached the end of alphabetical, go to numeric range */
+ current_uid[i] = '0';
+ }
+ else if (current_uid[i] == '9')
+ {
+ /* we reached the end of the sequence, set back to A */
+ current_uid[i] = 'A';
+
+ /* we also need to increment the next digit. */
+ continue;
+ }
+ else
+ {
+ /* most common case .. increment current UID */
+ current_uid[i]++;
+ }
+
+ /*
+ * XXX!
+ * Check if it's in use here, continue; if it is!
+ * This will only be an issue once we have a server that gets
+ * an assload of connections, but.. -- w00t
+ *
+ * Until we have a map to check, just bail. -- w00t
+ */
+ if (current_uid[3] == 'Z')
+ {
+ InspIRCd::Exit(0);
+ }
+
+ return std::string(current_uid);
+ }
+ }
}