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Add a datastore fixup to fix a pbx_lua crash.

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(closes issue #19055)
Reported by: jamhed
Patches:
      lua_datastore_fixup1.diff uploaded by mnicholson (license 96)
Tested by: mnicholson, jamhed


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@317476 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2011-05-05 22:47:57 +00:00
parent 1ccfa50ba8
commit 08ae269e5c
1 changed files with 17 additions and 0 deletions
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17
pbx/pbx_lua.c
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@@ -85,6 +85,7 @@ static void lua_create_autoservice_functions(lua_State *L);
static void lua_create_hangup_function(lua_State *L);
static void lua_state_destroy(void *data);
static void lua_datastore_fixup(void *data, struct ast_channel *old_chan, struct ast_channel *new_chan);
static lua_State *lua_get_state(struct ast_channel *chan);
static int exists(struct ast_channel *chan, const char *context, const char *exten, int priority, const char *callerid, const char *data);
@@ -102,6 +103,7 @@ static struct ast_hashtab *local_table = NULL;
static const struct ast_datastore_info lua_datastore = {
.type = "lua",
.destroy = lua_state_destroy,
.chan_fixup = lua_datastore_fixup,
};
@@ -114,6 +116,21 @@ static void lua_state_destroy(void *data)
lua_close(data);
}
/*!
* \brief The fixup function for the lua_datastore.
* \param data the datastore data, in this case it will be a lua_State
* \param old_chan the channel we are moving from
* \param new_chan the channel we are moving to
*
* This function updates our internal channel pointer.
*/
static void lua_datastore_fixup(void *data, struct ast_channel *old_chan, struct ast_channel *new_chan)
{
lua_State *L = data;
lua_pushlightuserdata(L, new_chan);
lua_setfield(L, LUA_REGISTRYINDEX, "channel");
}
/*!
* \brief [lua_CFunction] Find an app and return it in a lua table (for access from lua, don't
* call directly)