radio95/rds95
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Code Issues Wiki Activity

thread safety and register oda

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This commit is contained in:
KubaPro010
2025-12-24 16:26:00 +01:00
parent 7951590d98
commit b83a96d889
5 changed files with 80 additions and 52 deletions
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85
src/lua_rds.c
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@@ -1,7 +1,9 @@
#include "lua_rds.h"
#include <pthread.h>
static RDSModulator* mod = NULL;
static lua_State *L = NULL;
static pthread_mutex_t lua_mutex;
int lua_set_rds_program_defaults(lua_State *localL) {
(void)localL;
@@ -397,6 +399,19 @@ int lua_set_rds_udg2(lua_State *localL) {
return 0;
}
int lua_register_oda(lua_State *localL) {
if (!lua_isboolean(localL, 2)) return luaL_error(localL, "boolean expected, got %s", luaL_typename(localL, 2));
uint8_t id = mod->enc->state[mod->enc->program].user_oda.oda_len++;
if(mod->enc->state[mod->enc->program].user_oda.oda_len >= 32) return luaL_error(localL, "There can't be more than 32 registered ODAs");
mod->enc->state[mod->enc->program].user_oda.odas[id].enabled = 1;
mod->enc->state[mod->enc->program].user_oda.odas[id].group = luaL_checkinteger(localL, 1);
mod->enc->state[mod->enc->program].user_oda.odas[id].group_version = lua_toboolean(localL, 2);
mod->enc->state[mod->enc->program].user_oda.odas[id].id = luaL_checkinteger(localL, 3);
mod->enc->state[mod->enc->program].user_oda.odas[id].id_data = luaL_checkinteger(localL, 4);
lua_pushinteger(localL, id);
return 1;
}
void init_lua(RDSModulator* rds_mod) {
mod = rds_mod;
L = luaL_newstate();
@@ -512,9 +527,9 @@ void init_lua(RDSModulator* rds_mod) {
lua_register(L, "set_rds_udg", lua_set_rds_udg);
lua_register(L, "set_rds_udg2", lua_set_rds_udg2);
}
void run_lua(char *str, char *cmd_output) {
lua_register(L, "register_oda", lua_register_oda);
char path[128];
const char *home = getenv("HOME");
if (!home) return;
@@ -524,48 +539,31 @@ void run_lua(char *str, char *cmd_output) {
fprintf(stderr, "Lua error loading file: %s\n", lua_tostring(L, -1));
lua_pop(L, 1);
return;
} else {
if (lua_pcall(L, 0, 0, 0) != LUA_OK) {
printf("Init error: %s\n", lua_tostring(L, -1));
lua_pop(L, 1);
}
}
if (lua_pcall(L, 0, 0, 0) != LUA_OK) {
fprintf(stderr, "Lua error running script: %s\n", lua_tostring(L, -1));
lua_pop(L, 1);
return;
}
pthread_mutex_init(&lua_mutex, NULL);
}
void run_lua(char *str, char *cmd_output) {
pthread_mutex_lock(&lua_mutex);
lua_getglobal(L, "data_handle");
if (lua_isfunction(L, -1)) {
lua_pushstring(L, str);
if (lua_pcall(L, 1, 1, 0) == LUA_OK) {
if (lua_isstring(L, -1) && cmd_output) {
const char *res = lua_tostring(L, -1);
strcpy(cmd_output, res);
}
} else {
fprintf(stderr, "Lua error: %s\n", lua_tostring(L, -1));
}
} else if (lua_isstring(L, -1)) {
if (cmd_output) strcpy(cmd_output, lua_tostring(L, -1));
}
if (lua_isstring(L, -1) && cmd_output) strcpy(cmd_output, lua_tostring(L, -1));
} else fprintf(stderr, "Lua error: %s\n", lua_tostring(L, -1));
} else if (lua_isstring(L, -1) && cmd_output) strcpy(cmd_output, lua_tostring(L, -1));
lua_pop(L, 1);
pthread_mutex_unlock(&lua_mutex);
}
void lua_group(RDSGroup* group) {
char path[128];
const char *home = getenv("HOME");
if (!home) return;
snprintf(path, sizeof(path), "%s/.rds95.command.lua", home);
if (luaL_loadfile(L, path) != LUA_OK) {
fprintf(stderr, "Lua error loading file: %s\n", lua_tostring(L, -1));
lua_pop(L, 1);
return;
}
if (lua_pcall(L, 0, 0, 0) != LUA_OK) {
fprintf(stderr, "Lua error running script: %s\n", lua_tostring(L, -1));
lua_pop(L, 1);
return;
}
pthread_mutex_lock(&lua_mutex);
lua_getglobal(L, "group");
if (lua_isfunction(L, -1)) {
@@ -584,26 +582,11 @@ void lua_group(RDSGroup* group) {
} else {
lua_pop(L, 1);
}
pthread_mutex_unlock(&lua_mutex);
}
void lua_call_function(const char* function) {
char path[128];
snprintf(path, sizeof(path), "%s/.rds95.command.lua", getenv("HOME"));
if (luaL_loadfilex(L, path, NULL) != LUA_OK) {
const char *err = lua_tostring(L, -1);
fprintf(stderr, "Lua error loading file: %s\n", err);
lua_pop(L, 1);
return;
}
if (lua_pcall(L, 0, 0, 0) != LUA_OK) {
const char *err = lua_tostring(L, -1);
fprintf(stderr, "Lua error running script: %s\n", err);
lua_pop(L, 1);
return;
}
pthread_mutex_lock(&lua_mutex);
lua_getglobal(L, function);
if (lua_isfunction(L, -1)) {
@@ -612,6 +595,7 @@ void lua_call_function(const char* function) {
lua_pop(L, 1);
}
} else lua_pop(L, 1);
pthread_mutex_unlock(&lua_mutex);
}
void destroy_lua(void) {
@@ -620,4 +604,5 @@ void destroy_lua(void) {
L = NULL;
}
mod = NULL;
pthread_mutex_destroy(&lua_mutex);
}