httpv2.0 rebase onto develop-2.0dev-http-v2.0

1 files changed, 109 insertions, 1130 deletions

diff --git a/decoders/http/http_decoder.c b/decoders/http/http_decoder.c
index 10f8369..39406a3 100644
--- a/decoders/http/http_decoder.c
+++ b/decoders/http/http_decoder.c
@@ -1,1205 +1,184 @@
-#include "stellar/http.h"
 #include <assert.h>
 #include <stdio.h>
 #include <string.h>
 #include <unistd.h>
-#include "http_decoder_private.h"
-
-#pragma GCC diagnostic ignored "-Wunused-parameter"
-
-struct http_message *http_message_new(enum http_message_type type, struct http_decoder_result_queue *queue,
-                                      int queue_index, uint8_t flow_type)
-{
-    struct http_message *msg = CALLOC(struct http_message, 1);
-    msg->type = type;
-    msg->ref_queue = queue;
-    msg->queue_index = queue_index;
-    msg->flow_type = flow_type;
-    return msg;
-}
-
-struct http_message *http_body_message_new(enum http_message_type type, struct http_decoder_result_queue *queue,
-                                           int queue_index, uint8_t flow_type, hstring *raw_payload, hstring *decompress_payload)
-{
-    struct http_message *msg = CALLOC(struct http_message, 1);
-    msg->type = type;
-    msg->ref_queue = queue;
-    msg->queue_index = queue_index;
-    msg->flow_type = flow_type;
-    if (raw_payload)
-    {
-        msg->raw_payload.iov_base = raw_payload->iov_base;
-        msg->raw_payload.iov_len = raw_payload->iov_len;
-    }
-    if (decompress_payload)
-    {
-        msg->decompress_payload.iov_base = decompress_payload->iov_base;
-        msg->decompress_payload.iov_len = decompress_payload->iov_len;
-    }
-    return msg;
-}
-
-static void http_message_decompress_buffer_free(struct http_message *msg)
-{
-    struct http_decoder_half_data *ref_data = NULL;
-    if (HTTP_MESSAGE_REQ_BODY_START == msg->type || HTTP_MESSAGE_REQ_BODY == msg->type || HTTP_MESSAGE_REQ_BODY_END == msg->type)
-    {
-        ref_data = msg->ref_queue->array[msg->queue_index].req_data;
-    }
-    else if (HTTP_MESSAGE_RES_BODY_START == msg->type || HTTP_MESSAGE_RES_BODY == msg->type || HTTP_MESSAGE_RES_BODY_END == msg->type)
-    {
-        ref_data = msg->ref_queue->array[msg->queue_index].res_data;
-    }
-    if (ref_data != NULL && msg->decompress_payload.iov_base != NULL)
-    {
-        http_half_decompress_buffer_free(ref_data, &msg->decompress_payload);
-    }
-}
-
-static void http_message_free(void *http_msg, void *cb_arg)
-{
-    if (http_msg)
-    {
-        http_message_decompress_buffer_free((struct http_message *)http_msg);
-        FREE(http_msg);
-    }
-}
-
-static void http_event_handler(enum http_event event, struct http_decoder_half_data **data,
-                               struct http_event_context *ev_ctx, void *httpd_plugin_env)
-{
-    assert(ev_ctx);
-    assert(httpd_plugin_env);
-    struct http_decoder_env *httpd_env = (struct http_decoder_env *)httpd_plugin_env;
-    size_t queue_idx = 0;
-    nmx_pool_t *mempool = ev_ctx->ref_mempool;
-    struct http_decoder_result_queue *queue = ev_ctx->ref_queue;
-    struct http_message *msg = NULL;
-    struct http_decoder_half_data *half_data = NULL;
-    int ret = 0;
-    u_int8_t flow_flag = 0;
-    struct http_decoder_exdata *exdata = ev_ctx->ref_httpd_ctx;
-
-    int thread_id = stellar_get_current_thread_index();
-
-    if (http_event_is_req(event))
-    {
-        queue_idx = http_decoder_result_queue_req_index(queue);
-        half_data = http_decoder_result_queue_peek_req(queue);
-    }
-    else
-    {
-        queue_idx = http_decoder_result_queue_res_index(queue);
-        half_data = http_decoder_result_queue_peek_res(queue);
-    }
-
-    switch (event)
-    {
-    case HTTP_EVENT_REQ_INIT:
-        half_data = http_decoder_result_queue_peek_req(queue);
-        if (half_data != NULL)
-        {
-            http_decoder_result_queue_inc_req_index(queue);
-        }
-
-        half_data = http_decoder_result_queue_peek_req(queue);
-        if (half_data != NULL)
-        {
-            half_data = http_decoder_result_queue_pop_req(queue);
-            http_decoder_half_data_free(mempool, half_data);
-            half_data = NULL;
-        }
-
-        half_data = http_decoder_half_data_new(mempool);
-        ret = http_decoder_result_queue_push_req(queue, half_data);
-        if (ret < 0)
-        {
-            fprintf(stderr, "http_decoder_result_queue_push req failed.");
-            http_decoder_half_data_free(mempool, half_data);
-            half_data = NULL;
-        }
-        *data = half_data;
-        queue_idx = http_decoder_result_queue_req_index(queue); // get the index after inc
-        /* llhttp always call on_message_begin() even if llhttp_execute() error!!! */
-        msg = http_message_new(HTTP_TRANSACTION_START, queue, queue_idx, HTTP_REQUEST);
-        session_mq_publish_message(ev_ctx->ref_session, exdata->pub_topic_id, msg);
-        http_decoder_stat_update(&httpd_env->hd_stat, thread_id, HTTP_TRANSACTION_NEW, 1);
-        break;
-    case HTTP_EVENT_REQ_LINE:
-        msg = http_message_new(HTTP_MESSAGE_REQ_LINE, queue, queue_idx, HTTP_REQUEST);
-        session_mq_publish_message(ev_ctx->ref_session, exdata->pub_topic_id, msg);
-        if (httpd_tunnel_identify(httpd_env, FLOW_TYPE_C2S, half_data))
-        {
-            exdata->tunnel_state = HTTP_TUN_C2S_HDR_START;
-            // http_decoder_stat_update(&httpd_env->hd_stat, thread_id, HTTPD_STAT_TUNNEL, 1);
-        }
-        if (httpd_is_tunnel_session(httpd_env, exdata))
-        {
-            http_decoder_get_url(half_data, mempool);
-        }
-        break;
-    case HTTP_EVENT_REQ_HDR:
-        msg = http_message_new(HTTP_MESSAGE_REQ_HEADER, queue, queue_idx, HTTP_REQUEST);
-        session_mq_publish_message(ev_ctx->ref_session, exdata->pub_topic_id, msg);
-        break;
-    case HTTP_EVENT_REQ_HDR_END:
-    {
-        http_decoder_join_url_finally(ev_ctx, half_data, mempool);
-        /*  maybe some parsed headers in buffer, but has not pushed to plugins yet */
-
-        if (http_decoder_half_data_has_parsed_header(half_data))
-        {
-            msg = http_message_new(HTTP_MESSAGE_REQ_HEADER, queue, queue_idx, HTTP_REQUEST);
-            session_mq_publish_message(ev_ctx->ref_session, exdata->pub_topic_id, msg);
-        }
-        http_half_data_update_commit_index(half_data);
-        msg = http_message_new(HTTP_MESSAGE_REQ_HEADER_END, queue, queue_idx, HTTP_REQUEST);
-        session_mq_publish_message(ev_ctx->ref_session, exdata->pub_topic_id, msg);
-
-        int tot_c2s_headers = http_half_data_get_total_parsed_header_count(half_data);
-        http_decoder_stat_update(&httpd_env->hd_stat, thread_id, HTTP_C2S_HEADERS, tot_c2s_headers);
-
-        const char *tmp_url = NULL;
-        size_t tmp_url_len = 0;
-        http_half_data_get_url(half_data, &tmp_url, &tmp_url_len);
-        http_decoder_stat_update(&httpd_env->hd_stat, thread_id, HTTP_URL_BYTES, tmp_url_len);
-    }
-    break;
-    case HTTP_EVENT_REQ_BODY_BEGIN:
-        msg = http_message_new(HTTP_MESSAGE_REQ_BODY_START, queue, queue_idx, HTTP_REQUEST);
-        session_mq_publish_message(ev_ctx->ref_session, exdata->pub_topic_id, msg);
-        break;
-    case HTTP_EVENT_REQ_BODY_DATA:
-    {
-        hstring raw_body = {};
-        hstring decompress_body = {};
-        http_decoder_half_data_get_raw_body(half_data, (const char **)&raw_body.iov_base, &raw_body.iov_len);
-        http_half_get_lastest_decompress_buffer(half_data, &decompress_body);
-        msg = http_body_message_new(HTTP_MESSAGE_REQ_BODY, queue, queue_idx, HTTP_REQUEST, &raw_body, &decompress_body);
-        session_mq_publish_message(ev_ctx->ref_session, exdata->pub_topic_id, msg);
-        if (decompress_body.iov_base != NULL)
-        {
-            http_decoder_stat_update(&httpd_env->hd_stat, thread_id, HTTP_C2S_ZIP_BYTES, raw_body.iov_len);
-            http_decoder_stat_update(&httpd_env->hd_stat, thread_id, HTTP_C2S_UNZIP_BYTES, decompress_body.iov_len);
-        }
-    }
-    break;
-    case HTTP_EVENT_REQ_BODY_END:
-        msg = http_message_new(HTTP_MESSAGE_REQ_BODY_END, queue, queue_idx, HTTP_REQUEST);
-        session_mq_publish_message(ev_ctx->ref_session, exdata->pub_topic_id, msg);
-        break;
-    case HTTP_EVENT_REQ_END:
-    {
-        session_is_symmetric(ev_ctx->ref_session, &flow_flag);
-
-        if (SESSION_SEEN_C2S_FLOW == flow_flag)
-        {
-            msg = http_message_new(HTTP_TRANSACTION_END, queue, queue_idx, HTTP_REQUEST);
-            session_mq_publish_message(ev_ctx->ref_session, exdata->pub_topic_id, msg);
-            http_decoder_stat_update(&httpd_env->hd_stat, thread_id, HTTP_TRANSACTION_FREE, 1);
-            http_decoder_stat_update(&httpd_env->hd_stat, thread_id, HTTP_C2S_ASYMMETRY_TRANSACTION, 1);
-        }
-        if (httpd_is_tunnel_session(httpd_env, exdata))
-        {
-            if (SESSION_SEEN_C2S_FLOW == flow_flag)
-            {
-                exdata->tunnel_state = HTTP_TUN_INNER_STARTING;
-                exdata->pub_topic_id = httpd_env->topic_exdata_compose[HTTPD_TOPIC_HTTP_TUNNEL_INDEX].sub_topic_id;
-            }
-            else
-            {
-                exdata->tunnel_state = HTTP_TUN_C2S_END;
-            }
-        }
-        http_half_update_state(half_data, event);
-        http_decoder_result_queue_inc_req_index(queue);
-        half_data = http_decoder_result_queue_pop_req(queue);
-        if (half_data != NULL)
-        {
-            http_decoder_half_data_free(mempool, half_data);
-            half_data = NULL;
-        }
-    }
-    break;
-
-    case HTTP_EVENT_RES_INIT:
-        half_data = http_decoder_result_queue_peek_res(queue);
-        if (half_data != NULL)
-        {
-            http_decoder_result_queue_inc_res_index(queue);
-        }
-
-        half_data = http_decoder_result_queue_peek_res(queue);
-        if (half_data != NULL)
-        {
-            half_data = http_decoder_result_queue_pop_res(queue);
-            http_decoder_half_data_free(mempool, half_data);
-            half_data = NULL;
-        }
-
-        half_data = http_decoder_half_data_new(mempool);
-        ret = http_decoder_result_queue_push_res(queue, half_data);
-        if (ret < 0)
-        {
-            fprintf(stderr, "http_decoder_result_queue_push res failed.");
-            http_decoder_half_data_free(mempool, half_data);
-            half_data = NULL;
-        }
-        queue_idx = http_decoder_result_queue_res_index(queue); // get the index after inc
-        *data = half_data;
-        if (0 == session_is_symmetric(ev_ctx->ref_session, &flow_flag))
-        {
-            if (SESSION_SEEN_S2C_FLOW == flow_flag)
-            {
-                msg = http_message_new(HTTP_TRANSACTION_START, queue, queue_idx, HTTP_RESPONSE);
-                session_mq_publish_message(ev_ctx->ref_session, exdata->pub_topic_id, msg);
-            }
-        }
-        break;
-    case HTTP_EVENT_RES_LINE:
-        msg = http_message_new(HTTP_MESSAGE_RES_LINE, queue, queue_idx, HTTP_RESPONSE);
-        session_mq_publish_message(ev_ctx->ref_session, exdata->pub_topic_id, msg);
-        if (httpd_tunnel_identify(httpd_env, FLOW_TYPE_S2C, half_data))
-        {
-            exdata->tunnel_state = HTTP_TUN_S2C_START;
-        }
-        else
-        {
-            // connect response fail, reset tunnel_state
-            exdata->tunnel_state = HTTP_TUN_NON;
-        }
-        break;
-    case HTTP_EVENT_RES_HDR:
-        msg = http_message_new(HTTP_MESSAGE_RES_HEADER, queue, queue_idx, HTTP_RESPONSE);
-        session_mq_publish_message(ev_ctx->ref_session, exdata->pub_topic_id, msg);
-        break;
-    case HTTP_EVENT_RES_HDR_END:
-    {
-        /*  maybe some header in table buffer but has not pushed to plugins */
-        half_data = http_decoder_result_queue_peek_res(queue);
-        if (http_decoder_half_data_has_parsed_header(half_data))
-        {
-            msg = http_message_new(HTTP_MESSAGE_RES_HEADER, queue, queue_idx, HTTP_RESPONSE);
-            session_mq_publish_message(ev_ctx->ref_session, exdata->pub_topic_id, msg);
-        }
-        http_half_data_update_commit_index(half_data);
-        msg = http_message_new(HTTP_MESSAGE_RES_HEADER_END, queue, queue_idx, HTTP_RESPONSE);
-        session_mq_publish_message(ev_ctx->ref_session, exdata->pub_topic_id, msg);
-
-        int tot_s2c_headers = http_half_data_get_total_parsed_header_count(half_data);
-        http_decoder_stat_update(&httpd_env->hd_stat, thread_id, HTTP_S2C_HEADERS, tot_s2c_headers);
-
-        if (httpd_is_tunnel_session(httpd_env, exdata))
-        {
-            exdata->tunnel_state = HTTP_TUN_INNER_STARTING;
-            http_half_pre_context_free(ev_ctx->ref_session, exdata);
-            exdata->pub_topic_id = httpd_env->topic_exdata_compose[HTTPD_TOPIC_HTTP_TUNNEL_INDEX].sub_topic_id;
-        }
-    }
-    break;
-    case HTTP_EVENT_RES_BODY_BEGIN:
-        msg = http_message_new(HTTP_MESSAGE_RES_BODY_START, queue, queue_idx, HTTP_RESPONSE);
-        session_mq_publish_message(ev_ctx->ref_session, exdata->pub_topic_id, msg);
-        break;
-    case HTTP_EVENT_RES_BODY_DATA:
-    {
-        hstring raw_body = {};
-        http_decoder_half_data_get_raw_body(half_data, (const char **)&raw_body.iov_base, &raw_body.iov_len);
-        hstring decompress_body = {};
-        http_half_get_lastest_decompress_buffer(half_data, &decompress_body);
-        msg = http_body_message_new(HTTP_MESSAGE_RES_BODY, queue, queue_idx, HTTP_RESPONSE, &raw_body, &decompress_body);
-        session_mq_publish_message(ev_ctx->ref_session, exdata->pub_topic_id, msg);
-        if (decompress_body.iov_base != NULL)
-        {
-            http_decoder_stat_update(&httpd_env->hd_stat, thread_id, HTTP_S2C_ZIP_BYTES, raw_body.iov_len);
-            http_decoder_stat_update(&httpd_env->hd_stat, thread_id, HTTP_S2C_UNZIP_BYTES, decompress_body.iov_len);
-        }
-    }
-    break;
-    case HTTP_EVENT_RES_BODY_END:
-        msg = http_message_new(HTTP_MESSAGE_RES_BODY_END, queue, queue_idx, HTTP_RESPONSE);
-        session_mq_publish_message(ev_ctx->ref_session, exdata->pub_topic_id, msg);
-        break;
-    case HTTP_EVENT_RES_END:
-        msg = http_message_new(HTTP_TRANSACTION_END, queue, queue_idx, HTTP_RESPONSE);
-        session_mq_publish_message(ev_ctx->ref_session, exdata->pub_topic_id, msg);
-        http_decoder_stat_update(&httpd_env->hd_stat, thread_id, HTTP_TRANSACTION_FREE, 1);
-        session_is_symmetric(ev_ctx->ref_session, &flow_flag);
-        if (SESSION_SEEN_S2C_FLOW == flow_flag)
-        {
-            http_decoder_stat_update(&httpd_env->hd_stat, thread_id, HTTP_S2C_ASYMMETRY_TRANSACTION, 1);
-        }
-
-        http_half_update_state(half_data, event);
-        http_decoder_result_queue_inc_res_index(queue);
-        half_data = http_decoder_result_queue_pop_res(queue);
-        if (half_data != NULL)
-        {
-            http_decoder_half_data_free(mempool, half_data);
-            half_data = NULL;
-        }
-        break;
-    default:
-        assert(0);
-        break;
-    }
-    if (half_data)
-    {
-        http_half_update_state(half_data, event);
-    }
-}
+#include "stellar/utils.h"
+#include "stellar/http.h"
+#include "stellar/session.h"
+#include "http_decoder.h"
+#include "http_decoder_utils.h"
+#include "http_decoder_stat.h"
+#include "http_decoder_half.h"
 
-static struct http_decoder *http_decoder_new(struct http_decoder_exdata *hd_ctx, nmx_pool_t *mempool,
-                                             http_event_cb *ev_cb, int decompress_switch, struct http_decoder_env *httpd_env,
-                                             long long req_start_seq, long long res_start_seq)
+static struct http_decoder *http_decoder_new(void)
 {
-    struct http_decoder *decoder = MEMPOOL_CALLOC(mempool, struct http_decoder, 1);
-    assert(decoder);
-    decoder->c2s_half = http_decoder_half_new(hd_ctx, mempool, ev_cb, HTTP_REQUEST, decompress_switch, httpd_env, req_start_seq);
-    decoder->s2c_half = http_decoder_half_new(hd_ctx, mempool, ev_cb, HTTP_RESPONSE, decompress_switch, httpd_env, res_start_seq);
+    struct http_decoder *decoder = (struct http_decoder *)calloc(1, sizeof(struct http_decoder));
     return decoder;
 }
 
-static void http_decoder_free(nmx_pool_t *mempool, struct http_decoder *decoder)
+static void http_decoder_free(struct http_decoder *decoder)
 {
     if (NULL == decoder)
     {
         return;
     }
-    if (decoder->c2s_half != NULL)
+    if (decoder->flow_c2s)
     {
-        http_decoder_half_free(mempool, decoder->c2s_half);
-        decoder->c2s_half = NULL;
+        http_half_free(decoder->flow_c2s);
     }
-    if (decoder->s2c_half != NULL)
+    if (decoder->flow_s2c)
     {
-        http_decoder_half_free(mempool, decoder->s2c_half);
-        decoder->s2c_half = NULL;
+        http_half_free(decoder->flow_s2c);
     }
-    MEMPOOL_FREE(mempool, decoder);
-}
-
-static struct http_decoder_exdata *http_decoder_exdata_new(size_t mempool_size, size_t queue_size,
-                                                           int decompress_switch, struct http_decoder_env *httpd_env,
-                                                           long long req_start_seq, long long res_start_seq)
-{
-    struct http_decoder_exdata *hd_ctx = CALLOC(struct http_decoder_exdata, 1);
-    hd_ctx->mempool = nmx_create_pool(mempool_size);
-    hd_ctx->decoder = http_decoder_new(hd_ctx, hd_ctx->mempool, http_event_handler, decompress_switch,
-                                       httpd_env, req_start_seq, res_start_seq);
-    hd_ctx->queue = http_decoder_result_queue_new(hd_ctx->mempool, queue_size);
-    return hd_ctx;
+    free(decoder);
 }
 
-static void http_decoder_exdata_free(struct http_decoder_exdata *ex_data)
+static struct http_exdata *http_session_new(struct session *sess, struct http *http_env,
+                                            const char *tcp_payload, uint32_t tcp_payload_len)
 {
-    if (unlikely(NULL == ex_data))
-    {
-        return;
-    }
-    if (ex_data->decoder != NULL)
-    {
-        http_decoder_free(ex_data->mempool, ex_data->decoder);
-        ex_data->decoder = NULL;
-    }
-    if (ex_data->queue != NULL)
+    struct http_exdata *exdata = (struct http_exdata *)calloc(1, sizeof(struct http_exdata));
+    session_set_exdata(sess, http_env->exdata_id, exdata);
+    exdata->sess = sess;
+    exdata->http_env = http_env;
+    size_t http_identify_len = MIN(tcp_payload_len, HTTP_IDENTIFY_LEN);
+    int ret = http_protocol_identify(tcp_payload, http_identify_len);
+    if (ret < 0)
     {
-        http_decoder_result_queue_free(ex_data->mempool, ex_data->queue);
-        ex_data->queue = NULL;
+        STELLAR_LOG_DEBUG(http_env->logger_ref, HTTP_MODULE_NAME,
+                          "http identify error, ignore this session: %s", session_get_readable_addr(sess));
+        exdata->ignore_session = 1;
+        return exdata;
     }
-    if (ex_data->mempool)
-    {
-        nmx_destroy_pool(ex_data->mempool);
-    }
-    FREE(ex_data);
-}
-
-static int http_protocol_identify(const char *data, size_t data_len)
-{
-    llhttp_t parser;
-    llhttp_settings_t settings;
-    enum llhttp_errno error;
-
-    llhttp_settings_init(&settings);
-    llhttp_init(&parser, HTTP_BOTH, &settings);
-
-    error = llhttp_execute(&parser, data, data_len);
-    if (error != HPE_OK)
-    {
-        return -1;
-    }
-    return 1;
-}
-
-static void _http_decoder_context_free(struct http_decoder_env *env)
-{
-    if (NULL == env)
-    {
-        return;
-    }
-
-    http_decoder_stat_free(&env->hd_stat);
-
-    for (int i = 0; i < HTTPD_TOPIC_INDEX_MAX; i++)
-    {
-        if (env->topic_exdata_compose[i].msg_free_cb)
-        {
-            stellar_mq_destroy_topic(env->st, env->topic_exdata_compose[i].sub_topic_id);
-        }
-    }
-
-    FREE(env);
-}
-
-static int load_http_decoder_config(const char *cfg_path,
-                                    struct http_decoder_config *hd_cfg)
-{
-    FILE *fp = fopen(cfg_path, "r");
-    if (NULL == fp)
-    {
-        fprintf(stderr, "[%s:%d]Can't open config file:%s",
-                __FUNCTION__, __LINE__, cfg_path);
-        return -1;
-    }
-
-    int ret = 0;
-    char errbuf[256] = {0};
-
-    toml_table_t *root = toml_parse_file(fp, errbuf, sizeof(errbuf));
-    fclose(fp);
-
-    toml_table_t *basic_sec_tbl = toml_table_in(root, "basic");
-    if (NULL == basic_sec_tbl)
-    {
-        fprintf(stderr, "[%s:%d]config file:%s has no key: [basic]",
-                __FUNCTION__, __LINE__, cfg_path);
-        toml_free(root);
-        return -1;
-    }
-
-    toml_datum_t int_val = toml_int_in(basic_sec_tbl, "decompress");
-    if (int_val.ok != 0)
-    {
-        hd_cfg->decompress_switch = int_val.u.b;
-    }
-
-    int_val = toml_int_in(basic_sec_tbl, "mempool_size");
-    if (int_val.ok != 0)
-    {
-        hd_cfg->mempool_size = int_val.u.i;
-    }
-    else
-    {
-        hd_cfg->mempool_size = DEFAULT_MEMPOOL_SIZE;
-    }
-
-    int_val = toml_int_in(basic_sec_tbl, "result_queue_len");
-    if (int_val.ok != 0)
-    {
-        hd_cfg->result_queue_len = int_val.u.i;
-    }
-    else
-    {
-        hd_cfg->result_queue_len = HD_RESULT_QUEUE_LEN;
-    }
-
-    int_val = toml_int_in(basic_sec_tbl, "stat_interval_pkts");
-    if (int_val.ok != 0)
-    {
-        hd_cfg->stat_interval_pkts = int_val.u.i;
-    }
-    else
-    {
-        hd_cfg->stat_interval_pkts = DEFAULT_STAT_INTERVAL_PKTS;
-    }
-
-    int_val = toml_int_in(basic_sec_tbl, "stat_output_interval");
-    if (int_val.ok != 0)
-    {
-        hd_cfg->stat_output_interval = int_val.u.i;
-    }
-    else
-    {
-        hd_cfg->stat_output_interval = DEFAULT_STAT_OUTPUT_INTERVAL;
-    }
-
-    int_val = toml_int_in(basic_sec_tbl, "proxy_enable");
-    if (int_val.ok != 0)
-    {
-        hd_cfg->proxy_enable = int_val.u.i;
-    }
-    else
-    {
-        hd_cfg->proxy_enable = 0;
-    }
-
-    toml_free(root);
-    return ret;
-}
-
-static int http_msg_get_request_header(const struct http_message *msg, const char *name, size_t name_len,
-                                       struct http_header_field *hdr_result)
-{
-    const struct http_decoder_half_data *req_data =
-        msg->ref_queue->array[msg->queue_index].req_data;
-    return http_decoder_half_data_get_header(req_data, name, name_len, hdr_result);
-}
-
-static int http_msg_get_response_header(const struct http_message *msg, const char *name, size_t name_len,
-                                        struct http_header_field *hdr_result)
-{
-    const struct http_decoder_half_data *res_data =
-        msg->ref_queue->array[msg->queue_index].res_data;
-    return http_decoder_half_data_get_header(res_data, name, name_len, hdr_result);
-}
-
-static int http_msg_request_header_next(const struct http_message *msg,
-                                        struct http_header_field *hdr)
-{
-    const struct http_decoder_half_data *req_data =
-        msg->ref_queue->array[msg->queue_index].req_data;
-    return http_decoder_half_data_iter_header((struct http_decoder_half_data *)req_data, hdr);
-}
-
-static int http_msg_response_header_next(const struct http_message *msg, struct http_header_field *hdr)
-{
-    const struct http_decoder_half_data *res_data =
-        msg->ref_queue->array[msg->queue_index].res_data;
-    return http_decoder_half_data_iter_header((struct http_decoder_half_data *)res_data, hdr);
-}
-
-#if 0
-static int http_msg_get_request_raw_body(const struct http_message *msg, hstring *body)
-{
-    const struct http_decoder_half_data *req_data =
-        msg->ref_queue->array[msg->queue_index].req_data;
-    return http_decoder_half_data_get_raw_body(req_data, body);
-}
-
-static int http_msg_get_response_raw_body(const struct http_message *msg, hstring *body)
-{
-    const struct http_decoder_half_data *res_data =
-        msg->ref_queue->array[msg->queue_index].res_data;
-    return http_decoder_half_data_get_raw_body(res_data, body);
-}
-
-static int http_msg_get_request_decompress_body(const struct http_message *msg, hstring *body)
-{
-    const struct http_decoder_half_data *req_data =
-        msg->ref_queue->array[msg->queue_index].req_data;
-    return http_decoder_half_data_get_decompress_body(req_data, body);
-}
-
-static int http_msg_get_response_decompress_body(const struct http_message *msg, hstring *body)
-{
-    const struct http_decoder_half_data *res_data =
-        msg->ref_queue->array[msg->queue_index].res_data;
-    return http_decoder_half_data_get_decompress_body(res_data, body);
-}
-#endif
-
-static struct http_decoder_exdata *httpd_session_exdata_new(struct session *sess, struct http_decoder_env *httpd_env,
-                                                            long long req_start_seq, long long res_start_seq)
-{
-    struct http_decoder_exdata *exdata = http_decoder_exdata_new(httpd_env->hd_cfg.mempool_size,
-                                                                 httpd_env->hd_cfg.result_queue_len,
-                                                                 httpd_env->hd_cfg.decompress_switch,
-                                                                 httpd_env, req_start_seq, res_start_seq);
-    // exdata->sub_topic_id = sub_topic_id;
-    int thread_id = stellar_get_current_thread_index();
-    http_decoder_stat_update(&httpd_env->hd_stat, thread_id, HTTP_SESSION_NEW, 1);
+    exdata->decoder = http_decoder_new();
+    int thread_id = module_manager_get_thread_id(http_env->mod_mgr_ref);
+    http_stat_update(&http_env->stat, thread_id, HTTP_SESSION_NEW, 1);
+    STELLAR_LOG_INFO(http_env->logger_ref, HTTP_MODULE_NAME,
+                     "http identify succ, session: %s", session_get_readable_addr(sess));
     return exdata;
 }
 
-#ifdef __cplusplus
-extern "C"
+static void http_decoder_execute(struct session *sess, struct http *http_env, struct http_exdata *exdata,
+                                 const char *tcp_payload, uint16_t tcp_payload_len)
 {
-#endif
+    int thread_id = module_manager_get_thread_id(http_env->mod_mgr_ref);
+    enum flow_type flow_dir = session_get_flow_type(sess);
 
-    void httpd_ex_data_free_cb(int idx, void *ex_data, void *arg)
+    http_stat_update_tcp_seg(&http_env->stat, thread_id, flow_dir, tcp_payload_len);
+    struct http_half *half = http_flow_get_nx(exdata, flow_dir, sess, http_env);
+    int ret = http_half_flow_process(half, tcp_payload, tcp_payload_len);
+    if (ret < 0)
     {
-        if (NULL == ex_data)
-        {
-            return;
-        }
-        struct http_decoder_exdata *exdata = (struct http_decoder_exdata *)ex_data;
-        http_decoder_exdata_free(exdata);
-    }
-
-    void *httpd_session_ctx_new_cb(struct session *sess, void *plugin_env)
-    {
-        return (void *)HTTP_CTX_IS_HTTP;
-    }
-
-    void httpd_session_ctx_free_cb(struct session *sess, void *session_ctx, void *plugin_env)
-    {
-        if (NULL == plugin_env || NULL == session_ctx)
-        {
-            return;
-        }
-        if (strncmp((const char *)session_ctx, HTTP_CTX_NOT_HTTP, strlen(HTTP_CTX_NOT_HTTP)) == 0)
-        {
-            return;
-        }
-        struct http_decoder_env *httpd_env = (struct http_decoder_env *)plugin_env;
-        int thread_id = stellar_get_current_thread_index();
-        unsigned char flow_flag = 0;
-        session_is_symmetric(sess, &flow_flag);
-
-        if (SESSION_SEEN_C2S_FLOW == flow_flag)
-        {
-            http_decoder_stat_update(&httpd_env->hd_stat, thread_id, HTTP_C2S_ASYMMETRY_SESSION, 1);
-        }
-        else if (SESSION_SEEN_S2C_FLOW == flow_flag)
-        {
-            http_decoder_stat_update(&httpd_env->hd_stat, thread_id, HTTP_S2C_ASYMMETRY_SESSION, 1);
-        }
-        http_decoder_stat_update(&httpd_env->hd_stat, thread_id, HTTP_SESSION_FREE, 1);
-    }
-
-    static void http_decoder_execute(struct session *sess, struct http_decoder_env *httpd_env, struct http_decoder_exdata *exdata, const char *payload, uint16_t payload_len)
-    {
-        if (httpd_in_tunnel_transmitting(httpd_env, exdata))
-        {
-            http_decoder_push_tunnel_data(sess, exdata, httpd_tunnel_state_to_msg(exdata), payload, payload_len);
-            httpd_tunnel_state_update(exdata);
-            return;
-        }
-
-        int thread_id = stellar_get_current_thread_index();
-        struct http_decoder_half *cur_half = NULL;
-        enum flow_type sess_dir = session_get_flow_type(sess);
-        if (FLOW_TYPE_C2S == sess_dir)
-        {
-            cur_half = exdata->decoder->c2s_half;
-            http_decoder_stat_update(&httpd_env->hd_stat, thread_id, HTTP_C2S_BYTES, payload_len);
-            http_decoder_stat_update(&httpd_env->hd_stat, thread_id, HTTP_C2S_TCP_SEG, 1);
-        }
-        else
-        {
-            cur_half = exdata->decoder->s2c_half;
-            http_decoder_stat_update(&httpd_env->hd_stat, thread_id, HTTP_S2C_BYTES, payload_len);
-            http_decoder_stat_update(&httpd_env->hd_stat, thread_id, HTTP_S2C_TCP_SEG, 1);
-        }
-
-        http_decoder_half_reinit(cur_half, exdata->queue, exdata->mempool, sess);
-        int ret = http_decoder_half_parse(httpd_env->hd_cfg.proxy_enable, cur_half, payload, payload_len);
-        if (ret < 0)
-        {
-            http_decoder_stat_update(&httpd_env->hd_stat, thread_id, HTTP_STAT_PARSE_ERR, 1);
-            stellar_session_plugin_dettach_current_session(sess);
-        }
-    }
-
-    void http_decoder_tunnel_msg_cb(struct session *sess, int topic_id, const void *tmsg, void *per_session_ctx, void *plugin_env)
-    {
-        struct http_decoder_env *httpd_env = (struct http_decoder_env *)plugin_env;
-        if (0 == httpd_env->hd_cfg.proxy_enable)
-        {
-            return;
-        }
-        hstring tunnel_payload;
-        http_tunnel_message_get_payload((const struct http_tunnel_message *)tmsg, &tunnel_payload);
-        uint16_t payload_len = tunnel_payload.iov_len;
-        const char *payload = (char *)tunnel_payload.iov_base;
-        if (NULL == payload || 0 == payload_len)
-        {
-            return;
-        }
-
-        struct http_decoder_exdata *exdata = (struct http_decoder_exdata *)session_exdata_get(sess, httpd_env->topic_exdata_compose[HTTPD_TOPIC_HTTP_TUNNEL_INDEX].exdata_id);
-        enum http_tunnel_message_type tmsg_type = http_tunnel_message_type_get((const struct http_tunnel_message *)tmsg);
-
-        switch (tmsg_type)
-        {
-        case HTTP_TUNNEL_OPENING:
-        {
-            if (NULL != exdata)
-            {
-                // not support nested http tunnel
-                session_mq_ignore_message(sess, topic_id, httpd_env->plugin_id);
-                return;
-            }
-            size_t http_identify_len = payload_len > HTTP_IDENTIFY_LEN ? HTTP_IDENTIFY_LEN : payload_len;
-            int is_http = http_protocol_identify(payload, http_identify_len);
-            if (is_http)
-            {
-                long long max_req_seq = 0, max_res_seq = 0;
-                struct http_decoder_exdata *tcp_stream_exdata = (struct http_decoder_exdata *)session_exdata_get(sess, httpd_env->topic_exdata_compose[HTTPD_TOPIC_TCP_STREAM_INDEX].exdata_id);
-                http_half_get_max_transaction_seq(tcp_stream_exdata, &max_req_seq, &max_res_seq);
-                exdata = httpd_session_exdata_new(sess, httpd_env, max_req_seq, max_res_seq);
-                session_exdata_set(sess, httpd_env->topic_exdata_compose[HTTPD_TOPIC_HTTP_TUNNEL_INDEX].exdata_id, exdata);
-                exdata->pub_topic_id = httpd_env->topic_exdata_compose[HTTPD_TOPIC_HTTP_MSG_INDEX].sub_topic_id;
-                exdata->in_tunnel_is_http = 1;
-            }
-            else
-            {
-                // inner tunnel is not http, do nothing, do not push this message again !!!
-                session_mq_ignore_message(sess, topic_id, httpd_env->plugin_id);
-                return;
-            }
-        }
-        break;
-
-        case HTTP_TUNNEL_ACTIVE:
-            if (NULL == exdata)
-            {
-                session_mq_ignore_message(sess, topic_id, httpd_env->plugin_id);
-                http_decoder_stat_update(&httpd_env->hd_stat, stellar_get_current_thread_index(), HTTP_STAT_PARSE_ERR, 1);
-                return;
-            }
-            break;
-
-        case HTTP_TUNNEL_CLOSING:
-            if (NULL == exdata)
-            {
-                http_decoder_stat_update(&httpd_env->hd_stat, stellar_get_current_thread_index(), HTTP_STAT_PARSE_ERR, 1);
-                return;
-            }
-            if (exdata->in_tunnel_is_http)
-            {
-                http_half_pre_context_free(sess, exdata);
-            }
-            return;
-            break;
-
-        default:
-            break;
-        }
-        if (exdata->in_tunnel_is_http)
-        {
-            http_decoder_execute(sess, httpd_env, exdata, payload, payload_len);
-        }
+        STELLAR_LOG_WARN(http_env->logger_ref, HTTP_MODULE_NAME,
+                         "llhttp parse error, ignore this session: %s", session_get_readable_addr(sess));
+        http_stat_update(&http_env->stat, thread_id, HTTP_STAT_PARSE_ERR, 1);
+        exdata->ignore_session = 1;
         return;
     }
-
-static void http_decoder_on_session_free(struct session *sess,void *per_session_ctx, void *plugin_env)
-{
-    struct http_decoder_env *httpd_env = (struct http_decoder_env *)plugin_env;
-    struct http_decoder_exdata *exdata = (struct http_decoder_exdata *)session_exdata_get(sess, httpd_env->topic_exdata_compose[HTTPD_TOPIC_TCP_STREAM_INDEX].exdata_id);
-    if (httpd_in_tunnel_transmitting(httpd_env, exdata))
-    {
-        http_decoder_push_tunnel_data(sess, exdata, HTTP_TUNNEL_CLOSING, NULL, 0);
-    }
-    else
-    {
-        http_half_pre_context_free(sess, exdata);
-    }
-    return;
 }
 
-    void http_decoder_tcp_stream_msg_cb(struct session *sess, int topic_id, const void *msg, void *nouse_session_ctx, void *plugin_env)
-    {
-        struct http_decoder_env *httpd_env = (struct http_decoder_env *)plugin_env;
-        struct http_decoder_exdata *exdata = (struct http_decoder_exdata *)session_exdata_get(sess, httpd_env->topic_exdata_compose[HTTPD_TOPIC_TCP_STREAM_INDEX].exdata_id);
-        const char *payload = NULL;
-        uint16_t payload_len = 0;
-        assert(msg != NULL);
-
-        payload_len = tcp_segment_get_len((struct tcp_segment *)msg);
-        payload = tcp_segment_get_data((const struct tcp_segment *)msg);
-        if (unlikely(0 == payload_len || NULL == payload))
-        {
-            return;
-        }
-        if (NULL == exdata) // first packet
-        {
-            size_t http_identify_len = payload_len > HTTP_IDENTIFY_LEN ? HTTP_IDENTIFY_LEN : payload_len;
-            int ret = http_protocol_identify(payload, http_identify_len);
-            if (ret < 0)
-            {
-                stellar_session_plugin_dettach_current_session(sess);
-                return;
-            }
-            exdata = httpd_session_exdata_new(sess, httpd_env, 0, 0);
-            exdata->pub_topic_id = httpd_env->topic_exdata_compose[HTTPD_TOPIC_HTTP_MSG_INDEX].sub_topic_id;
-            session_exdata_set(sess, httpd_env->topic_exdata_compose[HTTPD_TOPIC_TCP_STREAM_INDEX].exdata_id, exdata);
-        }
-        http_decoder_execute(sess, httpd_env, exdata, payload, payload_len);
-        return;
-    }
-
-    static const struct http_topic_exdata_compose g_topic_exdata_compose[HTTPD_TOPIC_INDEX_MAX] =
-        {
-            {HTTPD_TOPIC_TCP_STREAM_INDEX, TOPIC_TCP_STREAM, http_decoder_tcp_stream_msg_cb, NULL, "HTTP_DECODER_EXDATA_BASEON_TCP_STREAM", httpd_ex_data_free_cb, -1, -1},
-            {HTTPD_TOPIC_HTTP_MSG_INDEX, HTTP_TOPIC, NULL, http_message_free, NULL, NULL, -1, -1},
-            {HTTPD_TOPIC_HTTP_TUNNEL_INDEX, HTTP_DECODER_TUNNEL_TOPIC, http_decoder_tunnel_msg_cb, http_message_free, "HTTP_DECODER_EXDATA_BASEON_HTTP_TUNNEL", httpd_ex_data_free_cb, -1, -1},
-    };
-
-    static void http_decoder_topic_exdata_compose_init(struct http_decoder_env *httpd_env)
+void http_message_free_cb(void *msg, void *msg_free_arg UNUSED)
+{
+    struct http_message *hmsg = (struct http_message *)msg;
+    struct http_half_data *flow_data = hmsg->flow_data;
+    if (hmsg->topic_type == HTTP_TOPIC_REQ_HEADER || hmsg->topic_type == HTTP_TOPIC_RES_HEADER)
     {
-        memcpy(httpd_env->topic_exdata_compose, g_topic_exdata_compose, sizeof(g_topic_exdata_compose));
-        for (int i = 0; i < HTTPD_TOPIC_INDEX_MAX; i++)
+        if (flow_data)
         {
-            httpd_env->topic_exdata_compose[i].sub_topic_id = stellar_session_mq_get_topic_id_reliable(httpd_env->st,
-                                                                                                       httpd_env->topic_exdata_compose[i].topic_name,
-                                                                                                       httpd_env->topic_exdata_compose[i].msg_free_cb,
-                                                                                                       NULL);
-            assert(httpd_env->topic_exdata_compose[i].sub_topic_id >= 0);
-
-            if (httpd_env->topic_exdata_compose[i].exdata_name)
+            if (flow_data->ut_filed_array)
             {
-                httpd_env->topic_exdata_compose[i].exdata_id = stellar_exdata_new_index(httpd_env->st,
-                                                                                        httpd_env->topic_exdata_compose[i].exdata_name,
-                                                                                        httpd_env->topic_exdata_compose[i].exdata_free_cb,
-                                                                                        NULL);
-                assert(httpd_env->topic_exdata_compose[i].exdata_id >= 0);
+                utarray_free(flow_data->ut_filed_array);
+                flow_data->ut_filed_array = NULL;
             }
-
-            if (httpd_env->topic_exdata_compose[i].on_msg_cb)
+            if (flow_data->joint_url.iov_base)
             {
-                stellar_session_mq_subscribe(httpd_env->st, httpd_env->topic_exdata_compose[i].sub_topic_id,
-                                             httpd_env->topic_exdata_compose[i].on_msg_cb, httpd_env->plugin_id);
+                free(flow_data->joint_url.iov_base);
+                flow_data->joint_url.iov_base = NULL;
             }
-        }
-    }
-
-    int http_topic_exdata_compose_get_index(const struct http_decoder_env *httpd_env, int by_topic_id)
-    {
-        for (int i = 0; i < HTTPD_TOPIC_INDEX_MAX; i++)
-        {
-            if (httpd_env->topic_exdata_compose[i].sub_topic_id == by_topic_id)
+            if (flow_data->cached_header_buffer != NULL)
             {
-                return i;
+                assert(flow_data->cached_header_buffer->reference > 0);
+                flow_data->cached_header_buffer->reference--;
+                if (flow_data->cached_header_buffer->reference == 0)
+                {
+                    free(flow_data->cached_header_buffer->buffer);
+                    free(flow_data->cached_header_buffer);
+                    flow_data->cached_header_buffer = NULL;
+                }
             }
         }
-        assert(0);
-        return -1;
-    }
-
-    void *http_decoder_init(struct stellar *st)
-    {
-        int thread_num = 0;
-
-        struct http_decoder_env *httpd_env = CALLOC(struct http_decoder_env, 1);
-        int ret = load_http_decoder_config(HTTPD_CFG_FILE, &httpd_env->hd_cfg);
-        if (ret < 0)
-        {
-            goto failed;
-        }
-        httpd_env->st = st;
-        httpd_env->plugin_id = stellar_plugin_register(st, httpd_session_ctx_new_cb,
-                                                               httpd_session_ctx_free_cb, NULL,http_decoder_on_session_free,(void *)httpd_env);
-        if (httpd_env->plugin_id < 0)
-        {
-            goto failed;
-        }
-        http_decoder_topic_exdata_compose_init(httpd_env);
-
-        thread_num = stellar_get_worker_thread_num(st);
-        assert(thread_num >= 1);
-        if (http_decoder_stat_init(&httpd_env->hd_stat, thread_num,
-                                   httpd_env->hd_cfg.stat_interval_pkts, httpd_env->hd_cfg.stat_output_interval) < 0)
-        {
-            goto failed;
-        }
-
-        return httpd_env;
-
-    failed:
-        fprintf(stderr, "http_decoder_init fail!\n");
-        _http_decoder_context_free(httpd_env);
-        return NULL;
-    }
-
-    void http_decoder_exit(void *plugin_env)
-    {
-        if (NULL == plugin_env)
-        {
-            return;
-        }
-        struct http_decoder_env *httpd_env = (struct http_decoder_env *)plugin_env;
-        _http_decoder_context_free(httpd_env);
     }
-
-    enum http_message_type http_message_get_type(const struct http_message *msg)
+    if (hmsg->event == HTTP_EVENT_REQ_BODY_DATA || hmsg->event == HTTP_EVENT_RES_BODY_DATA)
     {
-        if (unlikely(NULL == msg))
+        if (flow_data->decompress_body.body != NULL)
         {
-            return HTTP_MESSAGE_MAX;
+            FREE(flow_data->decompress_body.body);
         }
-        return msg->type;
     }
-
-    void http_message_get0_request_line(const struct http_message *msg,
-                                        struct http_request_line *line)
+    if (hmsg->event == HTTP_EVENT_REQ_END || hmsg->event == HTTP_EVENT_RES_END)
     {
-        if (unlikely(NULL == msg || msg->type != HTTP_MESSAGE_REQ_LINE))
+        if (flow_data)
         {
-            if (line)
-            {
-                line->method = NULL;
-                line->uri = NULL;
-                line->version = NULL;
-            }
-            return;
+            http_half_data_free(flow_data);
+            hmsg->flow_data = NULL;
         }
-        assert(msg->ref_queue);
-        assert(msg->queue_index < HD_RESULT_QUEUE_LEN);
-
-        struct http_decoder_half_data *req_data =
-            msg->ref_queue->array[msg->queue_index].req_data;
-
-        http_decoder_half_data_get_request_line(req_data, line);
     }
 
-    void http_message_get0_response_line(const struct http_message *msg,
-                                         struct http_response_line *line)
-    {
-        if (unlikely(NULL == msg || msg->type != HTTP_MESSAGE_RES_LINE))
-        {
-            if (line)
-            {
-                line->version = NULL;
-                line->status = NULL;
-            }
-            return;
-        }
-        assert(msg->ref_queue);
-        assert(msg->queue_index < HD_RESULT_QUEUE_LEN);
-
-        struct http_decoder_half_data *res_data =
-            msg->ref_queue->array[msg->queue_index].res_data;
-
-        http_decoder_half_data_get_response_line(res_data, line);
-    }
+    free(hmsg);
+}
 
-    void http_message_get0_header(const struct http_message *msg, const char *name, size_t name_len,
-                                  struct http_header_field *hdr_result)
+void http_exdata_free_cb(UNUSED int idx, void *ex_data, UNUSED void *plugin_env)
+{
+    if (NULL == ex_data)
     {
-        int ret = -1;
-        if (unlikely(NULL == msg || NULL == name || 0 == name_len))
-        {
-            goto fail;
-        }
-        assert(msg->ref_queue);
-        assert(msg->queue_index < HD_RESULT_QUEUE_LEN);
-        if (HTTP_MESSAGE_REQ_HEADER == msg->type)
-        {
-            ret = http_msg_get_request_header(msg, name, name_len, hdr_result);
-        }
-        else if (HTTP_MESSAGE_RES_HEADER == msg->type)
-        {
-            ret = http_msg_get_response_header(msg, name, name_len, hdr_result);
-        }
-        if (ret >= 0)
-        {
-            return;
-        }
-    fail:
-        if (hdr_result)
-        {
-            hdr_result->name = NULL;
-            hdr_result->value = NULL;
-        }
         return;
     }
+    struct http_exdata *exdata = (struct http_exdata *)ex_data;
+    struct http *http_env = (struct http *)plugin_env;
 
-    int http_message_get0_next_header(const struct http_message *msg, struct http_header_field *header)
+    if (exdata->ignore_session == 0)
     {
-        int ret = 1;
-        if (unlikely(NULL == msg))
-        {
-            goto fail;
-        }
-        assert(msg->ref_queue);
-        assert(msg->queue_index < HD_RESULT_QUEUE_LEN);
-        if (HTTP_MESSAGE_REQ_HEADER == msg->type)
-        {
-            ret = http_msg_request_header_next(msg, header);
-        }
-        else if (HTTP_MESSAGE_RES_HEADER == msg->type)
-        {
-            ret = http_msg_response_header_next(msg, header);
-        }
-        if (ret < 0)
-        {
-            goto fail;
-        }
-        return 0;
-    fail:
-        if (header)
-        {
-            header->name = NULL;
-            header->value = NULL;
-        }
-        return -1;
-    }
-
-    int http_message_reset_header_iter(struct http_message *msg)
-    {
-        if (unlikely(NULL == msg))
+        int thread_id = module_manager_get_thread_id(http_env->mod_mgr_ref);
+        unsigned char flow_flag = 0;
+        if (exdata->sess)
         {
-            return -1;
+            session_is_symmetric(exdata->sess, &flow_flag);
+            STELLAR_LOG_INFO(http_env->logger_ref, HTTP_MODULE_NAME,
+                             "http session free: %s", session_get_readable_addr(exdata->sess));
         }
-        assert(msg->ref_queue);
-        assert(msg->queue_index < HD_RESULT_QUEUE_LEN);
-        if (HTTP_MESSAGE_REQ_HEADER == msg->type)
+        if (SESSION_SEEN_C2S_FLOW == flow_flag)
         {
-            struct http_decoder_half_data *req_data =
-                msg->ref_queue->array[msg->queue_index].req_data;
-            return http_decoder_half_data_reset_header_iter(req_data);
+            http_stat_update(&http_env->stat, thread_id, HTTP_C2S_ASYMMETRY_SESSION, 1);
         }
-        else if (HTTP_MESSAGE_RES_HEADER == msg->type)
+        else if (SESSION_SEEN_S2C_FLOW == flow_flag)
         {
-            struct http_decoder_half_data *res_data =
-                msg->ref_queue->array[msg->queue_index].res_data;
-            return http_decoder_half_data_reset_header_iter(res_data);
+            http_stat_update(&http_env->stat, thread_id, HTTP_S2C_ASYMMETRY_SESSION, 1);
         }
-        return -1;
+        http_stat_update(&http_env->stat, thread_id, HTTP_SESSION_FREE, 1);
     }
+    http_decoder_free(exdata->decoder);
+    exdata->decoder = NULL;
+    free(exdata);
+}
 
-    void http_message_get0_uncompressed_body(const struct http_message *msg, const char **body_ptr, size_t *body_len)
-    {
-        if (unlikely(NULL == msg))
-        {
-            goto fail;
-        }
-        assert(msg->ref_queue);
-        assert(msg->queue_index < HD_RESULT_QUEUE_LEN);
-        if (msg->raw_payload.iov_base != NULL && msg->raw_payload.iov_len != 0)
-        {
-            *body_ptr = msg->raw_payload.iov_base;
-            *body_len = msg->raw_payload.iov_len;
-            return;
-        }
-    fail:
-        if (body_ptr)
-        {
-            *body_ptr = NULL;
-            *body_len = 0;
-        }
-        return;
-    }
+void http_on_tcp_stream_cb(struct session *sess, enum session_state state UNUSED, const char *tcp_payload, uint32_t tcp_payload_len, void *args)
+{
+    struct http *http_env = (struct http *)args;
+    struct http_exdata *exdata = (struct http_exdata *)session_get_exdata(sess, http_env->exdata_id);
 
-    void http_message_get0_decompressed_body(const struct http_message *msg, const char **dec_body_ptr, size_t *dec_body_len)
+    if (unlikely(0 == tcp_payload_len || NULL == tcp_payload))
     {
-        enum http_content_encoding ecode = HTTP_CONTENT_ENCODING_NONE;
-        struct http_decoder_half_data *ref_data = NULL;
-        if (unlikely(NULL == msg))
-        {
-            goto fail;
-        }
-        assert(msg->ref_queue);
-        assert(msg->queue_index < HD_RESULT_QUEUE_LEN);
-        if (msg->decompress_payload.iov_base != NULL && msg->decompress_payload.iov_len != 0)
-        {
-            *dec_body_ptr = msg->decompress_payload.iov_base;
-            *dec_body_len = msg->decompress_payload.iov_len;
-            return;
-        }
-        /**
-         * @brief If the body hasn't been compressed, same as http_message_get0_uncompressed_body().
-         *
-         */
-
-        if (HTTP_MESSAGE_REQ_BODY_START == msg->type || HTTP_MESSAGE_REQ_BODY == msg->type || HTTP_MESSAGE_REQ_BODY_END == msg->type)
-        {
-            ref_data = msg->ref_queue->array[msg->queue_index].req_data;
-        }
-        else if (HTTP_MESSAGE_RES_BODY_START == msg->type || HTTP_MESSAGE_RES_BODY == msg->type || HTTP_MESSAGE_RES_BODY_END == msg->type)
-        {
-            ref_data = msg->ref_queue->array[msg->queue_index].res_data;
-        }
-        ecode = http_half_data_get_content_encoding(ref_data);
-        if (ref_data != NULL && HTTP_CONTENT_ENCODING_NONE != ecode)
-        {
-            goto fail;
-        }
-
-        if (msg->raw_payload.iov_base != NULL && msg->raw_payload.iov_len != 0)
-        {
-            *dec_body_ptr = msg->raw_payload.iov_base;
-            *dec_body_len = msg->raw_payload.iov_len;
-        }
-        return;
-    fail:
-        if (dec_body_ptr)
-        {
-            *dec_body_ptr = NULL;
-            *dec_body_len = 0;
-        }
         return;
     }
-
-    void http_message_get0_raw_url(const struct http_message *msg, const char **url_val, size_t *url_len)
+    if (unlikely(NULL == exdata)) // first packet
     {
-        struct http_decoder_half_data *req_data = NULL;
-        if (unlikely(NULL == msg))
-        {
-            goto fail;
-        }
-        assert(msg->ref_queue);
-        assert(msg->queue_index < HD_RESULT_QUEUE_LEN);
-
-        req_data = msg->ref_queue->array[msg->queue_index].req_data;
-
-        if (http_half_data_get_url(req_data, url_val, url_len) < 0)
-        {
-            goto fail;
-        }
-        return;
-
-    fail:
-        if (url_val)
-        {
-            *url_val = NULL;
-            *url_len = 0;
-        }
-        return;
+        exdata = http_session_new(sess, http_env, tcp_payload, tcp_payload_len);
     }
-#if 0
-    void http_message_decoded_url_get0(const struct http_message *msg, struct iovec *url)
+    if (exdata->ignore_session) // quic path
     {
-        if (unlikely(NULL == msg))
-        {
-            if (url)
-            {
-                url->iov_base = NULL;
-                url->iov_len = 0;
-            }
-            return;
-        }
-        assert(msg->ref_queue);
-        assert(msg->queue_index < HD_RESULT_QUEUE_LEN);
-
-        struct http_decoder_half_data *req_data =
-            msg->ref_queue->array[msg->queue_index].req_data;
-
-        if (http_half_data_get_decode_url(req_data, url) < 0)
-        {
-            goto fail;
-        }
-        return;
-
-    fail:
-        if (url)
-        {
-            url->iov_base = NULL;
-            url->iov_len = 0;
-        }
         return;
     }
-#endif
-    int http_message_get_transaction_seq(const struct http_message *msg)
-    {
-        if (unlikely(NULL == msg))
-        {
-            return -1;
-        }
-        assert(msg->ref_queue);
-        assert(msg->queue_index < HD_RESULT_QUEUE_LEN);
-        struct http_decoder_half_data *hf_data = NULL;
-        if (HTTP_REQUEST == msg->flow_type)
-        {
-            hf_data = msg->ref_queue->array[msg->queue_index].req_data;
-        }
-        else
-        {
-            hf_data = msg->ref_queue->array[msg->queue_index].res_data;
-        }
-        return http_half_data_get_transaction_seq(hf_data);
-    }
-#ifdef __cplusplus
-}
-#endif
\ No newline at end of file
+    STELLAR_LOG_DEBUG(http_env->logger_ref, HTTP_MODULE_NAME,
+                      "sess: %s, rcv tcp payload len: %u", session_get_readable_addr(exdata->sess), tcp_payload_len);
+    http_decoder_execute(sess, http_env, exdata, tcp_payload, tcp_payload_len);
+    return;
+}
\ No newline at end of file