From 9718e10c7f4151cea895f515c785c14e0021d967 Mon Sep 17 00:00:00 2001 From: cbdev Date: Wed, 18 Mar 2020 22:36:35 +0100 Subject: Implement default channel handlers for Lua/Python --- backends/lua.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) (limited to 'backends/lua.c') diff --git a/backends/lua.c b/backends/lua.c index e7ba9f9..498a037 100644 --- a/backends/lua.c +++ b/backends/lua.c @@ -308,6 +308,11 @@ static int lua_configure_instance(instance* inst, char* option, char* value){ } return 0; } + else if(!strcmp(option, "default-handler")){ + free(data->default_handler); + data->default_handler = strdup(value); + return 0; + } LOGPF("Unknown instance configuration parameter %s for instance %s", option, inst->name); return 1; @@ -461,7 +466,8 @@ static int lua_start(size_t n, instance** inst){ data = (lua_instance_data*) inst[u]->impl; for(p = 0; p < data->channels; p++){ //exclude reserved names - if(strcmp(data->channel_name[p], "output") + if(!data->default_handler + && strcmp(data->channel_name[p], "output") && strcmp(data->channel_name[p], "input_value") && strcmp(data->channel_name[p], "output_value") && strcmp(data->channel_name[p], "input_channel") @@ -473,6 +479,14 @@ static int lua_start(size_t n, instance** inst){ data->reference[p] = LUA_NOREF; } } + else if(data->default_handler){ + lua_getglobal(data->interpreter, data->default_handler); + data->reference[p] = luaL_ref(data->interpreter, LUA_REGISTRYINDEX); + if(data->reference[p] == LUA_REFNIL){ + data->reference[p] = LUA_NOREF; + LOGPF("Failed to resolve default handler function %s on instance %s", data->default_handler, inst[u]->name); + } + } } } @@ -504,6 +518,7 @@ static int lua_shutdown(size_t n, instance** inst){ free(data->reference); free(data->input); free(data->output); + free(data->default_handler); free(inst[u]->impl); } -- cgit v1.2.3