X-Git-Url: http://git.pjr.cc/?p=CBFWR.git;a=blobdiff_plain;f=libcbfwr%2Fcomms.php;h=7486150c20e711ab26badd75912673e26b5875c3;hp=610959e04d0482fe69d40541f9db5dd458a34038;hb=cb45585d92144a65ff25bc1109cde4cbf60913de;hpb=175dadf56670772f8d889276df67471354a36f21

diff --git a/libcbfwr/comms.php b/libcbfwr/comms.php
index 610959e..7486150 100644
--- a/libcbfwr/comms.php
+++ b/libcbfwr/comms.php
@@ -1,11 +1,12 @@
 <?php
 // C = msg key
 // L = locking key
-$MESSAGE_KEY = ftok(realpath(dirname(__FILE__)), "c");
+$MESSAGE_KEY = ftok(realpath(dirname(__FILE__)), "c"); // to daemon
 $LOCKING_KEY = ftok(realpath(dirname(__FILE__)), "l");
 $STORE_KEY = ftok(realpath(dirname(__FILE__)), "s");
+$CONF_STORE_SIZE = 16777216; // 16M by default
 
-global $MESSAGE_KEY, $LOCKING_KEY, $STORE_KEY;
+global $MESSAGE_KEY, $LOCKING_KEY, $STORE_KEY, $CONF_STORE_SIZE;
 
 class Comms {
 	function __construct()
@@ -17,23 +18,47 @@ class Comms {
 	
 	function getConfig($type=0)
 	{
-		global $MESSAGE_KEY, $LOCKING_KEY, $STORE_KEY;
+		global $MESSAGE_KEY, $LOCKING_KEY, $STORE_KEY, $CONF_STORE_SIZE;
 		sem_acquire($this->semres);
-		$shm_space = shm_attach($STORE_KEY, 16*1024*1024);
+		$shm_space = shm_attach($STORE_KEY, $CONF_STORE_SIZE);
 		$config = shm_get_var($shm_space, $type);
 		sem_release($this->semres);
 		
 		return $config;
 	}
 	
+	function lockConfigs()
+	{
+		sem_acquire($this->semres);
+	}
+	
+	function unlockConfigs()
+	{
+		sem_release($this->semres);
+	}
 	
-	// type = 0 for the main config
+	function deleteConfig($type)
+	{
+		global $MESSAGE_KEY, $LOCKING_KEY, $STORE_KEY, $CONF_STORE_SIZE;
+		$shm_space = shm_attach($STORE_KEY, $CONF_STORE_SIZE);
+		
+		shm_remove_var($shm_space, $type);
+	}
+	
+	// type = 0 for the fs config
 	// type = 1 for the boot hardware config
+	// type = 2 for running config
+	// type = 3 for web config
+	
+	// type = 4 for merged running config cache
+	// type = 5 for merged web config cache
+	
+	// type = 6 for "messages" that appear on the pages
 	function putConfig($config, $type=0)
 	{
-		global $MESSAGE_KEY, $LOCKING_KEY, $STORE_KEY;
+		global $MESSAGE_KEY, $LOCKING_KEY, $STORE_KEY, $CONF_STORE_SIZE;
 		sem_acquire($this->semres);
-		$shm_space = shm_attach($STORE_KEY, 16*1024*1024);
+		$shm_space = shm_attach($STORE_KEY, $CONF_STORE_SIZE);
 		shm_put_var($shm_space, $type, $config);
 		sem_release($this->semres);		
 	}