feature: stellar dev API support stellar_new()/stellar_run()/stellar_free()/stellar_loopbreak()

This commit is contained in:
luwenpeng
2024-08-19 17:28:45 +08:00
parent 28f50b922b
commit 520eb085b8
7 changed files with 197 additions and 83 deletions

View File

@@ -3,8 +3,8 @@
#include <assert.h>
#include <unistd.h>
#include <string.h>
#include <signal.h>
#include <stdlib.h>
#include <limits.h>
#include <pthread.h>
#include <sys/prctl.h>
@@ -61,7 +61,7 @@ struct stellar_thread
struct schedule_data sched_data;
struct ip_reassembly *ip_mgr;
struct session_manager *sess_mgr;
struct stellar_runtime *runtime;
struct stellar *st;
};
struct stellar_runtime
@@ -76,15 +76,15 @@ struct stellar_runtime
struct stellar
{
char stellar_cfg_file[PATH_MAX];
char plugin_cfg_file[PATH_MAX];
char log_cfg_file[PATH_MAX];
struct stellar_runtime runtime;
struct stellar_config config;
};
static uint64_t need_exit = 0;
static thread_local uint16_t __thread_id = 0;
static const char *log_config_file = "./conf/log.toml";
static const char *main_config_file = "./conf/stellar.toml";
static const char *plugin_config_file = "./plugin/spec.toml";
static thread_local uint16_t __thread_id = 0; // TODO
/******************************************************************************
* Stellar Thread Main Loop
@@ -162,7 +162,8 @@ static inline void free_expired_sessions(struct session_manager *sess_mgr, uint6
static inline void merge_thread_stat(struct stellar_thread *thread)
{
struct stellar_runtime *runtime = thread->runtime;
struct stellar *st = thread->st;
struct stellar_runtime *runtime = &st->runtime;
struct thread_stat thr_stat = {
.packet_io = packet_io_stat(runtime->packet_io, thread->idx),
.ip_reassembly = ip_reassembly_stat(thread->ip_mgr),
@@ -184,7 +185,8 @@ static void *work_thread(void *arg)
struct stellar_thread *thread = (struct stellar_thread *)arg;
struct ip_reassembly *ip_reass = thread->ip_mgr;
struct session_manager *sess_mgr = thread->sess_mgr;
struct stellar_runtime *runtime = thread->runtime;
struct stellar *st = thread->st;
struct stellar_runtime *runtime = &st->runtime;
struct schedule_data *sched_data = &thread->sched_data;
struct packet_io *packet_io = runtime->packet_io;
struct plugin_manager_schema *plug_mgr = runtime->plug_mgr;
@@ -210,7 +212,7 @@ static void *work_thread(void *arg)
ATOMIC_SET(&thread->is_runing, 1);
STELLAR_LOG_STATE("worker thread %d runing", thr_idx);
while (ATOMIC_READ(&need_exit) == 0)
while (ATOMIC_READ(&runtime->need_exit) == 0)
{
/*
* We use the system's real time instead of monotonic time for the following reasons:
@@ -256,7 +258,7 @@ static void *work_thread(void *arg)
{
goto fast_path;
}
plugin_ctx = plugin_manager_session_runtime_new(runtime->plug_mgr, sess);
plugin_ctx = plugin_manager_session_runtime_new(plug_mgr, sess);
session_set_user_data(sess, plugin_ctx);
}
else
@@ -320,7 +322,7 @@ static void *work_thread(void *arg)
idle_tasks:
// nr_recv packet atmost trigger nr_recv session evicted
free_evicted_sessions(sess_mgr, nr_recv);
plugin_manager_on_polling(runtime->plug_mgr);
plugin_manager_on_polling(plug_mgr);
// per free_expired_session_interval MAX free_expired_session_batch sessions are released
if (now_ms - sched_data->last_free_expired_session_timestamp > sched_data->free_expired_session_interval)
@@ -359,33 +361,6 @@ static void *work_thread(void *arg)
* Stellar Main Function
******************************************************************************/
static void signal_handler(int signo)
{
if (signo == SIGINT)
{
STELLAR_LOG_STATE("SIGINT received, notify threads to exit");
ATOMIC_SET(&need_exit, 1);
}
if (signo == SIGQUIT)
{
STELLAR_LOG_STATE("SIGQUIT received, notify threads to exit");
ATOMIC_SET(&need_exit, 1);
}
if (signo == SIGTERM)
{
STELLAR_LOG_STATE("SIGTERM received, notify threads to exit");
ATOMIC_SET(&need_exit, 1);
}
if (signo == SIGHUP)
{
STELLAR_LOG_STATE("SIGHUP received, reload log level !!!");
log_reload_level(log_config_file);
}
}
static int all_session_have_freed(struct stellar_runtime *runtime, struct stellar_config *config)
{
for (int i = 0; i < config->pkt_io_opts.nr_threads; i++)
@@ -407,8 +382,11 @@ static int all_session_have_freed(struct stellar_runtime *runtime, struct stella
return 1;
}
static int stellar_thread_init(struct stellar_runtime *runtime, struct stellar_config *config)
static int stellar_thread_init(struct stellar *st)
{
struct stellar_runtime *runtime = &st->runtime;
struct stellar_config *config = &st->config;
uint64_t now_ms = clock_get_real_time_ms();
for (uint16_t i = 0; i < config->pkt_io_opts.nr_threads; i++)
{
@@ -441,14 +419,17 @@ static int stellar_thread_init(struct stellar_runtime *runtime, struct stellar_c
STELLAR_LOG_ERROR("unable to create ip reassemble manager");
return -1;
}
thread->runtime = runtime;
thread->st = st;
}
return 0;
}
static void stellar_thread_clean(struct stellar_runtime *runtime, struct stellar_config *config)
static void stellar_thread_clean(struct stellar *st)
{
struct stellar_runtime *runtime = &st->runtime;
struct stellar_config *config = &st->config;
for (uint16_t i = 0; i < config->pkt_io_opts.nr_threads; i++)
{
struct stellar_thread *thread = &runtime->threads[i];
@@ -460,8 +441,11 @@ static void stellar_thread_clean(struct stellar_runtime *runtime, struct stellar
}
}
static int stellar_thread_run(struct stellar_runtime *runtime, struct stellar_config *config)
static int stellar_thread_run(struct stellar *st)
{
struct stellar_runtime *runtime = &st->runtime;
struct stellar_config *config = &st->config;
for (uint16_t i = 0; i < config->pkt_io_opts.nr_threads; i++)
{
struct stellar_thread *thread = &runtime->threads[i];
@@ -475,8 +459,11 @@ static int stellar_thread_run(struct stellar_runtime *runtime, struct stellar_co
return 0;
}
static void stellar_thread_join(struct stellar_runtime *runtime, struct stellar_config *config)
static void stellar_thread_join(struct stellar *st)
{
struct stellar_runtime *runtime = &st->runtime;
struct stellar_config *config = &st->config;
STELLAR_LOG_STATE("wait worker thread exit ...");
for (uint16_t i = 0; i < config->pkt_io_opts.nr_threads; i++)
{
@@ -488,28 +475,48 @@ static void stellar_thread_join(struct stellar_runtime *runtime, struct stellar_
}
}
int stellar_run(int argc __attribute__((unused)), char **argv __attribute__((unused)))
struct stellar *stellar_new(const char *stellar_cfg_file, const char *plugin_cfg_file, const char *log_cfg_file)
{
static struct stellar st = {};
struct stellar_runtime *runtime = &st.runtime;
struct stellar_config *config = &st.config;
if (stellar_cfg_file == NULL)
{
printf("stellar config file is null\n");
return NULL;
}
if (plugin_cfg_file == NULL)
{
printf("plugin config file is null\n");
return NULL;
}
if (log_cfg_file == NULL)
{
printf("log config file is null\n");
return NULL;
}
signal(SIGINT, signal_handler);
signal(SIGQUIT, signal_handler);
signal(SIGTERM, signal_handler);
signal(SIGHUP, signal_handler);
struct stellar *st = (struct stellar *)calloc(1, sizeof(struct stellar));
if (st == NULL)
{
return NULL;
}
if (log_init(log_config_file) != 0)
memcpy(st->stellar_cfg_file, stellar_cfg_file, strlen(stellar_cfg_file));
memcpy(st->plugin_cfg_file, plugin_cfg_file, strlen(plugin_cfg_file));
memcpy(st->log_cfg_file, log_cfg_file, strlen(log_cfg_file));
struct stellar_runtime *runtime = &st->runtime;
struct stellar_config *config = &st->config;
if (log_init(st->log_cfg_file) != 0)
{
STELLAR_LOG_ERROR("unable to init log");
goto error_out;
}
STELLAR_LOG_STATE("start stellar (version: %s)\n %s", version, logo_str);
STELLAR_LOG_STATE("log config file : %s", log_config_file);
STELLAR_LOG_STATE("main config file : %s", main_config_file);
STELLAR_LOG_STATE("plugin config file : %s", plugin_config_file);
STELLAR_LOG_STATE("stellar config file : %s", st->stellar_cfg_file);
STELLAR_LOG_STATE("plugin config file : %s", st->plugin_cfg_file);
STELLAR_LOG_STATE("log config file : %s", st->log_cfg_file);
if (stellar_config_load(config, main_config_file) != 0)
if (stellar_config_load(config, st->stellar_cfg_file) != 0)
{
STELLAR_LOG_ERROR("unable to load config file");
goto error_out;
@@ -528,7 +535,7 @@ int stellar_run(int argc __attribute__((unused)), char **argv __attribute__((unu
STELLAR_LOG_ERROR("unable to create stellar stat");
goto error_out;
}
runtime->plug_mgr = plugin_manager_init(&st, plugin_config_file);
runtime->plug_mgr = plugin_manager_init(st, st->plugin_cfg_file);
if (runtime->plug_mgr == NULL)
{
STELLAR_LOG_ERROR("unable to create plugin manager");
@@ -542,20 +549,42 @@ int stellar_run(int argc __attribute__((unused)), char **argv __attribute__((unu
goto error_out;
}
if (stellar_thread_init(runtime, config) != 0)
if (stellar_thread_init(st) != 0)
{
STELLAR_LOG_ERROR("unable to init thread context");
goto error_out;
}
if (stellar_thread_run(runtime, config) != 0)
return st;
error_out:
if (st == NULL)
{
stellar_free(st);
st = NULL;
}
return NULL;
}
void stellar_run(struct stellar *st)
{
if (st == NULL)
{
return;
}
struct stellar_runtime *runtime = &st->runtime;
struct stellar_config *config = &st->config;
if (stellar_thread_run(st) != 0)
{
STELLAR_LOG_ERROR("unable to create worker thread");
goto error_out;
return;
}
runtime->stat_last_output_ts = clock_get_real_time_ms();
while (!ATOMIC_READ(&need_exit))
while (!ATOMIC_READ(&runtime->need_exit))
{
if (clock_get_real_time_ms() - runtime->stat_last_output_ts > config->sched_opts.output_stat_interval)
{
@@ -569,20 +598,42 @@ int stellar_run(int argc __attribute__((unused)), char **argv __attribute__((unu
{
stellar_stat_output(runtime->stat); // flush stat
STELLAR_LOG_STATE("all sessions have been released, notify threads to exit");
ATOMIC_SET(&need_exit, 1);
ATOMIC_SET(&runtime->need_exit, 1);
}
}
}
error_out:
stellar_thread_join(runtime, config);
stellar_thread_clean(runtime, config);
packet_io_free(runtime->packet_io);
plugin_manager_exit(runtime->plug_mgr);
stellar_stat_free(runtime->stat);
STELLAR_LOG_STATE("stellar exit\n");
log_free();
void stellar_free(struct stellar *st)
{
if (st)
{
struct stellar_runtime *runtime = &st->runtime;
return 0;
stellar_thread_join(st);
stellar_thread_clean(st);
packet_io_free(runtime->packet_io);
plugin_manager_exit(runtime->plug_mgr);
stellar_stat_free(runtime->stat);
STELLAR_LOG_STATE("stellar exit\n");
log_free();
}
}
void stellar_loopbreak(struct stellar *st)
{
if (st)
{
struct stellar_runtime *runtime = &st->runtime;
ATOMIC_SET(&runtime->need_exit, 1);
}
}
void stellar_reload_log_level(struct stellar *st)
{
if (st)
{
log_reload_level(st->log_cfg_file);
}
}
/******************************************************************************