From 2c7d62f38944f61e7eafea155c6128521d16aed9 Mon Sep 17 00:00:00 2001
From: Darkelarious <darkelarious@333networks.com>
Date: Tue, 19 May 2015 22:00:40 +0200
Subject: Beta with support for Pg and SQLite

---
 lib/MasterServer/Database/Pg/dbClientList.pm | 45 +++++++++++++++++++++++
 lib/MasterServer/Database/Pg/dbCore.pm       |  4 +-
 lib/MasterServer/Database/Pg/dbServerlist.pm | 55 ++++++++++++++++++++++++++++
 3 files changed, 102 insertions(+), 2 deletions(-)
 create mode 100755 lib/MasterServer/Database/Pg/dbClientList.pm

(limited to 'lib/MasterServer/Database/Pg')

diff --git a/lib/MasterServer/Database/Pg/dbClientList.pm b/lib/MasterServer/Database/Pg/dbClientList.pm
new file mode 100755
index 0000000..718bf8a
--- /dev/null
+++ b/lib/MasterServer/Database/Pg/dbClientList.pm
@@ -0,0 +1,45 @@
+
+package MasterServer::Database::Pg::dbClientList;
+
+use strict;
+use warnings;
+use Exporter 'import';
+
+our @EXPORT = qw| get_gamenames
+                  get_game_list |;
+
+
+################################################################################
+## get a list of distinct gamenames currently in the database. it does not 
+## matter whether they are recent or old, as long as the game is currently in
+## the database.
+## 
+## returns: hashref of gamenames
+################################################################################
+sub get_gamenames {
+  my $self = shift;
+
+  return $self->{dbh}->selectall_arrayref(
+     "SELECT distinct gamename 
+      FROM serverlist");
+}
+
+################################################################################
+## get the list of games of a certain $gamename, excluding the ones excempted
+## via the blacklist
+## only returns server addresses that are no more than 1 hours old
+################################################################################
+sub get_game_list {
+  my ($self, $gamename) = @_;
+  
+  return $self->{dbh}->selectall_arrayref(
+    "SELECT ip, port 
+     FROM serverlist
+     WHERE updated > (NOW() - INTERVAL '1 HOUR')
+     AND gamename = ?
+     AND NOT blacklisted", 
+     undef, lc $gamename);
+}
+
+
+1;
diff --git a/lib/MasterServer/Database/Pg/dbCore.pm b/lib/MasterServer/Database/Pg/dbCore.pm
index 8f55ebb..5cd194b 100755
--- a/lib/MasterServer/Database/Pg/dbCore.pm
+++ b/lib/MasterServer/Database/Pg/dbCore.pm
@@ -15,7 +15,7 @@ sub database_login {
   my $self = shift;
 
   # create the dbi object
-  my $dbh = DBI->connect(@{$self->{dblogin}}, {PrintError => 0});
+  my $dbh = DBI->connect(@{$self->{dblogin}}, {PrintError => $self->{db_print}});
   
   # verify that the database connected
   if (defined $dbh) {
@@ -37,7 +37,7 @@ sub database_login {
     $self->halt();
   }
   
-  # return empty element
+  # unreachable
   return undef;
 }
 
diff --git a/lib/MasterServer/Database/Pg/dbServerlist.pm b/lib/MasterServer/Database/Pg/dbServerlist.pm
index 832a08f..5a58717 100755
--- a/lib/MasterServer/Database/Pg/dbServerlist.pm
+++ b/lib/MasterServer/Database/Pg/dbServerlist.pm
@@ -7,6 +7,7 @@ use Exporter 'import';
 
 our @EXPORT = qw| add_to_serverlist 
                   update_serverlist
+                  syncer_add
                   get_next_server |;
 
 ################################################################################
@@ -77,6 +78,60 @@ sub update_serverlist {
   return -1;
 }
 
+
+################################################################################
+## add new addresses to the pending list, but do not update timestamps. masters
+## that sync with each other would otherwise update the timestamp for a server
+## which is no longer online.
+################################################################################
+sub syncer_add {
+  my ($self, $ip, $port, $gamename, $secure) = @_;
+
+  # if address is in list, update the timestamp
+  my $u = $self->{dbh}->do(
+     "SELECT * FROM serverlist 
+      WHERE ip = ? 
+      AND port = ?",
+      undef, $ip, $port);
+ 
+  # notify
+  $self->log("read","syncer found entry for $ip:$port") if ($u > 0);
+  
+  # if found, return 0
+  return 0 if ($u > 0);
+
+  # if it is already in the pending list, update it with a new challenge
+  $u = $self->{dbh}->do(
+     "UPDATE pending 
+      SET secure = ?
+      WHERE ip = ? 
+      AND heartbeat = ?",
+      undef, $secure, $ip, $port);  
+
+  # notify
+  $self->log("update","$ip:$port was updated by syncer",
+          $self->{log_settings}->{db_updated}) if ($u > 0);
+  
+  # return 1 if found
+  return 1 if ($u > 0);
+  
+  # if not found, add it
+  $u = $self->{dbh}->do(
+     "INSERT INTO pending (ip, heartbeat, gamename, secure) 
+      SELECT ?, ?, ?, ?",
+      undef, $ip, $port, $gamename, $secure);
+                            
+   # notify
+   $self->log("add","beacon: $ip:$port was added for $gamename after sync") if ($u > 0);
+   
+   # return 2 if added new
+   return 2 if ($u > 0);
+   
+  # or else report error
+  $self->log("error", "an error occurred adding $ip:$port after sync");
+  return -1;
+}
+
 ################################################################################
 ## get a server address of the next server in line to be queried for game info. 
 ## query must be older than 30 seconds (in case it just got added) and not 
-- 
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