3e00a352d3
添加关键路径诊断日志以定位鉴权失败根因: - json_process_frame: msg_id/cmd/匹配结果/auth状态 - handle_pwd_verify: data提取/password值/dev_pwd对照
751 lines
28 KiB
C
751 lines
28 KiB
C
/**
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******************************************************************************
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* @file tcp_json_srv.c
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* @author wangfq
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* @version V1.0
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* @date 2026-06-30
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* @brief TCP JSON protocol server implementation
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* DLD960 TCP JSON protocol (port 5960) — auth + 15 commands
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******************************************************************************
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*/
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#include "CONFIG.h"
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#include "tcp_json_srv.h"
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#include "eth_driver.h"
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#include "wchnet.h"
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#include "net_srv.h"
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#include "cmcng.h"
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#include "simple_json.h"
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#include "storage.h"
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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/*===========================================================================
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* Global State
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*===========================================================================*/
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uint8_t g_json_socket_listen = 0xFF; // listen socket ID
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uint8_t g_json_socket_client = 0xFF; // accepted client socket ID
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TcpJsonAuthState g_json_auth_state = JSON_STATE_WAIT_AUTH;
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uint32_t g_json_auth_timer = 0;
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uint8_t g_json_pwd_retry = 0;
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uint32_t g_json_lockout_timer = 0;
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/*===========================================================================
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* Frame Receive Buffer (line-delimited JSON)
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*===========================================================================*/
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static uint8_t g_json_recv_buf[TCP_JSON_RECV_BUF_LEN];
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static uint16_t g_json_recv_len = 0;
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/*===========================================================================
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* Internal helpers
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*===========================================================================*/
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static char g_tmp_value[256]; // reusable buffer for simple_parse_json
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static void reset_tmp(void) {
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memset(g_tmp_value, 0, sizeof(g_tmp_value));
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}
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static void json_send_error(uint8_t socket, uint32_t msg_id, const char *cmd,
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int code, const char *msg) {
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char *out = (char *)malloc(256);
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if (!out) return;
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snprintf(out, 256,
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"{\"msg_id\":%lu,\"cmd\":\"%s\",\"ts\":%lu,\"code\":%d,\"msg\":\"%s\"}\n",
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msg_id, cmd ? cmd : "", (unsigned long)mstick(), code, msg);
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uint32_t slen = strlen(out);
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WCHNET_SocketSend(socket, (uint8_t *)out, &slen);
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free(out);
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}
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static void json_send_ok(uint8_t socket, uint32_t msg_id, const char *cmd,
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const char *data_json) {
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char *out = (char *)malloc(TCP_JSON_MAX_FRAME);
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if (!out) return;
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if (data_json && strlen(data_json) > 0) {
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snprintf(out, TCP_JSON_MAX_FRAME,
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"{\"msg_id\":%lu,\"cmd\":\"%s\",\"ts\":%lu,\"code\":0,\"msg\":\"success\",\"data\":%s}\n",
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msg_id, cmd, (unsigned long)mstick(), data_json);
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} else {
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snprintf(out, TCP_JSON_MAX_FRAME,
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"{\"msg_id\":%lu,\"cmd\":\"%s\",\"ts\":%lu,\"code\":0,\"msg\":\"success\"}\n",
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msg_id, cmd, (unsigned long)mstick());
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}
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uint32_t slen = strlen(out);
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WCHNET_SocketSend(socket, (uint8_t *)out, &slen);
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free(out);
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}
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/* JSON field extractors — parse msg_id, cmd, and data object from raw JSON */
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static uint32_t json_get_msg_id(const char *json) {
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reset_tmp();
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simple_parse_json(json, "\"msg_id\"", g_tmp_value);
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if (strlen(g_tmp_value) == 0) return 0;
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return (uint32_t)strtoul(g_tmp_value, NULL, 10);
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}
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static void json_get_cmd(const char *json, char *out, int out_len) {
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json_get_str_field(json, "\"cmd\"", out, out_len);
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}
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static char *json_get_data_str(const char *json) {
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char *data = (char *)malloc(TCP_JSON_MAX_FRAME);
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if (!data) return NULL;
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memset(data, 0, TCP_JSON_MAX_FRAME);
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simple_parse_json(json, "\"data\"", data);
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if (strlen(data) == 0) {
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free(data);
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return NULL;
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}
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return data;
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}
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static void json_get_str_field(const char *json, const char *key, char *out, int out_len) {
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reset_tmp();
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simple_parse_json(json, key, g_tmp_value);
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// strip surrounding quotes if present
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char *src = g_tmp_value;
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if (src[0] == '"') src++;
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int len = strlen(src);
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if (len > 0 && src[len - 1] == '"') len--;
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int copy_len = (len < out_len - 1) ? len : out_len - 1;
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memcpy(out, src, copy_len);
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out[copy_len] = '\0';
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}
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static uint32_t json_get_uint_field(const char *json, const char *key) {
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reset_tmp();
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simple_parse_json(json, key, g_tmp_value);
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if (strlen(g_tmp_value) == 0) return 0;
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return (uint32_t)strtoul(g_tmp_value, NULL, 10);
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}
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static uint8_t json_get_bool_field(const char *json, const char *key) {
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reset_tmp();
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simple_parse_json(json, key, g_tmp_value);
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if (strstr(g_tmp_value, "true")) return 1;
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return 0;
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}
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/*===========================================================================
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* Frame parser: extract line-delimited JSON frames from receive buffer
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*===========================================================================*/
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static int json_extract_frame(uint8_t *buf, uint16_t *len, char *frame_out, uint16_t frame_size) {
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uint16_t i;
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for (i = 0; i < *len; i++) {
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if (buf[i] == '\n') {
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uint16_t frame_len = i;
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if (frame_len >= frame_size) frame_len = frame_size - 1;
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memcpy(frame_out, buf, frame_len);
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frame_out[frame_len] = '\0';
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// Remove consumed frame from buffer
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uint16_t remaining = *len - i - 1;
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if (remaining > 0) {
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memmove(buf, buf + i + 1, remaining);
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}
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*len = remaining;
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return 1;
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}
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}
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return 0; // no complete frame yet
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}
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/*===========================================================================
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* Command Handlers
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*===========================================================================*/
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/* 4.1 pwd_verify */
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static void handle_pwd_verify(uint8_t socket, uint32_t msg_id, const char *json) {
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PRINT("JSON: pwd_verify handler entered\n");
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char *data = json_get_data_str(json);
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if (!data) {
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PRINT("JSON: pwd_verify — data is NULL\n");
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json_send_error(socket, msg_id, "pwd_verify", JSON_CODE_PARAM_ERR, "missing data");
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return;
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}
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PRINT("JSON: pwd_verify — data=[%s]\n", data);
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char password[16] = {0};
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json_get_str_field(data, "\"password\"", password, sizeof(password));
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free(data);
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PRINT("JSON: pwd_verify — password=[%s] len=%d\n", password, strlen(password));
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PRINT("JSON: pwd_verify — dev_pwd=[%c%c%c%c%c%c]\n",
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g_dev_password[0], g_dev_password[1], g_dev_password[2],
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g_dev_password[3], g_dev_password[4], g_dev_password[5]);
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if (strlen(password) == 0) {
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json_send_error(socket, msg_id, "pwd_verify", JSON_CODE_PARAM_ERR, "missing password");
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return;
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}
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// Compare password
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if (memcmp(password, g_dev_password, 6) == 0 && strlen(password) == 6) {
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g_json_auth_state = JSON_STATE_AUTHED;
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g_json_pwd_retry = 0;
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g_json_auth_timer = 0;
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json_send_ok(socket, msg_id, "pwd_verify", NULL);
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PRINT("JSON: Auth success\n");
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} else {
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g_json_pwd_retry++;
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if (g_json_pwd_retry >= TCP_JSON_MAX_PWD_RETRY) {
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g_json_auth_state = JSON_STATE_LOCKOUT;
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g_json_lockout_timer = mstick();
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PRINT("JSON: Auth locked out (%d retries)\n", g_json_pwd_retry);
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json_send_error(socket, msg_id, "pwd_verify", JSON_CODE_AUTH_FAIL,
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"password incorrect, locked out for 60s");
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} else {
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json_send_error(socket, msg_id, "pwd_verify", JSON_CODE_AUTH_FAIL, "password incorrect");
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}
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}
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}
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/* 4.2 dev_serial_set */
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static void handle_dev_serial_set(uint8_t socket, uint32_t msg_id, const char *json) {
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char *data = json_get_data_str(json);
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if (!data) {
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json_send_error(socket, msg_id, "dev_serial_set", JSON_CODE_PARAM_ERR, "missing data");
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return;
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}
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char serial[32] = {0};
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json_get_str_field(data, "\"dev_serial\"", serial, sizeof(serial));
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free(data);
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if (strlen(serial) != 12) {
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json_send_error(socket, msg_id, "dev_serial_set", JSON_CODE_PARAM_ERR, "invalid serial length");
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return;
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}
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// Convert hex string to bytes
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uint8_t serial_bytes[6];
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for (int i = 0; i < 6; i++) {
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char hex[3] = {serial[i * 2], serial[i * 2 + 1], '\0'};
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serial_bytes[i] = (uint8_t)strtoul(hex, NULL, 16);
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}
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alter_dev_serila(serial_bytes);
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memcpy(g_dev_number, serial_bytes, 6);
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sprintf(g_dev_number_str, "%02X%02X%02X%02X%02X%02X",
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g_dev_number[0], g_dev_number[1], g_dev_number[2],
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g_dev_number[3], g_dev_number[4], g_dev_number[5]);
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json_send_ok(socket, msg_id, "dev_serial_set", NULL);
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PRINT("JSON: dev_serial_set -> %s\n", g_dev_number_str);
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}
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/* 4.3 dev_info_query */
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static void handle_dev_info_query(uint8_t socket, uint32_t msg_id, const char *json) {
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char data_json[512];
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snprintf(data_json, sizeof(data_json),
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"{\"dev_serial\":\"%s\",\"hard_ver\":\"%s\",\"soft_ver\":\"%s\","
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"\"model\":\"%s\",\"product_code\":\"960001\","
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"\"sub_code\":{\"net\":%s,\"iot\":%s},"
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"\"bus\":{\"bus1\":0,\"bus2\":0,\"bus3\":0,\"bus4\":0}}",
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g_dev_number_str, HARDWARE_VER, FIRMWARE_VER,
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PRODUCT_MODEL,
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g_sub_code_enable.net_enable ? "true" : "false",
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g_sub_code_enable.iot_enable ? "true" : "false");
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json_send_ok(socket, msg_id, "dev_info_query", data_json);
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}
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/* 4.4 ssc_net_set */
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static void handle_ssc_net_set(uint8_t socket, uint32_t msg_id, const char *json) {
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char *data = json_get_data_str(json);
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if (!data) {
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json_send_error(socket, msg_id, "ssc_net_set", JSON_CODE_PARAM_ERR, "missing data");
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return;
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}
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Local_Net_Cfg lcfg = local_net_cfg; // copy current
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NET_CENTER_INFO ccfg = net_center_info;
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char ip_str[16] = {0};
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json_get_str_field(data, "\"dev_ip\"", ip_str, sizeof(ip_str));
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if (strlen(ip_str) > 0) get_ipstr_to_array(ip_str, lcfg.lip);
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char mask_str[16] = {0};
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json_get_str_field(data, "\"subnet_mask\"", mask_str, sizeof(mask_str));
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if (strlen(mask_str) > 0) get_ipstr_to_array(mask_str, lcfg.sub);
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char gw_str[16] = {0};
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json_get_str_field(data, "\"route_ip\"", gw_str, sizeof(gw_str));
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if (strlen(gw_str) > 0) get_ipstr_to_array(gw_str, lcfg.gw);
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char lssc_ip_str[16] = {0};
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json_get_str_field(data, "\"lssc_ip\"", lssc_ip_str, sizeof(lssc_ip_str));
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if (strlen(lssc_ip_str) > 0) get_ipstr_to_array(lssc_ip_str, ccfg.lssc_ip);
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char dns_str[16] = {0};
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json_get_str_field(data, "\"dns\"", dns_str, sizeof(dns_str));
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if (strlen(dns_str) > 0) get_ipstr_to_array(dns_str, lcfg.dns);
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uint32_t port = json_get_uint_field(data, "\"port\"");
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if (port > 0 && port <= 65535) ccfg.tcp_port = (uint16_t)port;
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free(data);
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// Write to flash and update globals
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write_net_config(&lcfg, &ccfg, &iot_net_info, &g_iot_topic);
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local_net_cfg = lcfg;
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net_center_info = ccfg;
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json_send_ok(socket, msg_id, "ssc_net_set", NULL);
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PRINT("JSON: ssc_net_set done\n");
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}
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/* 4.5 ssc_net_query */
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static void handle_ssc_net_query(uint8_t socket, uint32_t msg_id, const char *json) {
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char data_json[400];
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snprintf(data_json, sizeof(data_json),
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"{\"dev_ip\":\"%d.%d.%d.%d\",\"subnet_mask\":\"%d.%d.%d.%d\","
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"\"route_ip\":\"%d.%d.%d.%d\",\"lssc_ip\":\"%d.%d.%d.%d\","
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"\"dns\":\"%d.%d.%d.%d\",\"port\":%d}",
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local_net_cfg.lip[0], local_net_cfg.lip[1], local_net_cfg.lip[2], local_net_cfg.lip[3],
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local_net_cfg.sub[0], local_net_cfg.sub[1], local_net_cfg.sub[2], local_net_cfg.sub[3],
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local_net_cfg.gw[0], local_net_cfg.gw[1], local_net_cfg.gw[2], local_net_cfg.gw[3],
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net_center_info.lssc_ip[0], net_center_info.lssc_ip[1],
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net_center_info.lssc_ip[2], net_center_info.lssc_ip[3],
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local_net_cfg.dns[0], local_net_cfg.dns[1], local_net_cfg.dns[2], local_net_cfg.dns[3],
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net_center_info.tcp_port);
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json_send_ok(socket, msg_id, "ssc_net_query", data_json);
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}
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/* 4.6 iot_net_set */
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static void handle_iot_net_set(uint8_t socket, uint32_t msg_id, const char *json) {
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char *data = json_get_data_str(json);
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if (!data) {
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json_send_error(socket, msg_id, "iot_net_set", JSON_CODE_PARAM_ERR, "missing data");
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return;
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}
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IOT_NET_INFO icfg = iot_net_info;
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char host[64] = {0};
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json_get_str_field(data, "\"host\"", host, sizeof(host));
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if (strlen(host) > 0) strncpy((char *)icfg.remote_addr, host, 63);
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uint32_t port = json_get_uint_field(data, "\"port\"");
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if (port > 0 && port <= 65535) icfg.mqtt_port = (uint16_t)port;
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char client_id[64] = {0};
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json_get_str_field(data, "\"client_id\"", client_id, sizeof(client_id));
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if (strlen(client_id) > 0) strncpy((char *)icfg.client_id, client_id, 63);
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char username[64] = {0};
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json_get_str_field(data, "\"username\"", username, sizeof(username));
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if (strlen(username) > 0) strncpy((char *)icfg.username, username, 63);
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char password[32] = {0};
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json_get_str_field(data, "\"password\"", password, sizeof(password));
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if (strlen(password) > 0) strncpy((char *)icfg.password, password, 31);
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free(data);
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write_net_config(&local_net_cfg, &net_center_info, &icfg, &g_iot_topic);
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iot_net_info = icfg;
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json_send_ok(socket, msg_id, "iot_net_set", NULL);
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PRINT("JSON: iot_net_set done\n");
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}
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/* 4.7 iot_net_query */
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static void handle_iot_net_query(uint8_t socket, uint32_t msg_id, const char *json) {
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char data_json[400];
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snprintf(data_json, sizeof(data_json),
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"{\"host\":\"%s\",\"port\":%d,\"client_id\":\"%s\","
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"\"username\":\"%s\",\"password\":\"%s\"}",
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iot_net_info.remote_addr, iot_net_info.mqtt_port,
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iot_net_info.client_id, iot_net_info.username, iot_net_info.password);
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json_send_ok(socket, msg_id, "iot_net_query", data_json);
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}
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/* 4.8 iot_topic_set */
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static void handle_iot_topic_set(uint8_t socket, uint32_t msg_id, const char *json) {
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char *data = json_get_data_str(json);
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if (!data) {
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json_send_error(socket, msg_id, "iot_topic_set", JSON_CODE_PARAM_ERR, "missing data");
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return;
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}
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IOT_Topic topic = g_iot_topic;
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topic.clientid_enable = json_get_bool_field(data, "\"client_id_enable\"");
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char topic_pub[64] = {0};
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json_get_str_field(data, "\"topic_pub\"", topic_pub, sizeof(topic_pub));
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if (strlen(topic_pub) > 0) strncpy((char *)topic.topic_pub, topic_pub, 63);
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char topic_sub[64] = {0};
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json_get_str_field(data, "\"topic_sub\"", topic_sub, sizeof(topic_sub));
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if (strlen(topic_sub) > 0) strncpy((char *)topic.topic_sub, topic_sub, 63);
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free(data);
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write_net_config(&local_net_cfg, &net_center_info, &iot_net_info, &topic);
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g_iot_topic = topic;
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json_send_ok(socket, msg_id, "iot_topic_set", NULL);
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PRINT("JSON: iot_topic_set done\n");
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}
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/* 4.9 iot_topic_query */
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static void handle_iot_topic_query(uint8_t socket, uint32_t msg_id, const char *json) {
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char data_json[300];
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snprintf(data_json, sizeof(data_json),
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"{\"client_id_enable\":%s,\"topic_pub\":\"%s\",\"topic_sub\":\"%s\"}",
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g_iot_topic.clientid_enable ? "true" : "false",
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g_iot_topic.topic_pub, g_iot_topic.topic_sub);
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json_send_ok(socket, msg_id, "iot_topic_query", data_json);
|
|
}
|
|
|
|
/* 4.10 pwd_set */
|
|
static void handle_pwd_set(uint8_t socket, uint32_t msg_id, const char *json) {
|
|
char *data = json_get_data_str(json);
|
|
if (!data) {
|
|
json_send_error(socket, msg_id, "pwd_set", JSON_CODE_PARAM_ERR, "missing data");
|
|
return;
|
|
}
|
|
|
|
char old_pwd[16] = {0}, new_pwd[16] = {0};
|
|
json_get_str_field(data, "\"old_password\"", old_pwd, sizeof(old_pwd));
|
|
json_get_str_field(data, "\"new_password\"", new_pwd, sizeof(new_pwd));
|
|
free(data);
|
|
|
|
if (strlen(old_pwd) != 6 || strlen(new_pwd) != 6) {
|
|
json_send_error(socket, msg_id, "pwd_set", JSON_CODE_PARAM_ERR, "password must be 6 digits");
|
|
return;
|
|
}
|
|
|
|
if (memcmp(old_pwd, g_dev_password, 6) != 0) {
|
|
json_send_error(socket, msg_id, "pwd_set", JSON_CODE_AUTH_FAIL, "old password incorrect");
|
|
return;
|
|
}
|
|
|
|
memcpy(g_dev_password, new_pwd, 6);
|
|
set_ble_safe_pass((uint8_t *)new_pwd);
|
|
|
|
json_send_ok(socket, msg_id, "pwd_set", NULL);
|
|
PRINT("JSON: pwd_set done\n");
|
|
}
|
|
|
|
/* 4.11 factory_reset */
|
|
static void handle_factory_reset(uint8_t socket, uint32_t msg_id, const char *json) {
|
|
json_send_ok(socket, msg_id, "factory_reset", NULL);
|
|
PRINT("JSON: factory_reset — resetting...\n");
|
|
|
|
Delay_Ms(100);
|
|
factory_dev_info();
|
|
Delay_Ms(100);
|
|
NVIC_SystemReset();
|
|
}
|
|
|
|
/* 4.12 device_reset */
|
|
static void handle_device_reset(uint8_t socket, uint32_t msg_id, const char *json) {
|
|
// No response — device resets immediately
|
|
char *out = (char *)malloc(128);
|
|
if (out) {
|
|
snprintf(out, 128,
|
|
"{\"msg_id\":%lu,\"cmd\":\"device_reset\",\"ts\":%lu,\"code\":0,\"msg\":\"resetting\"}\n",
|
|
msg_id, (unsigned long)mstick());
|
|
uint32_t slen = strlen(out);
|
|
WCHNET_SocketSend(socket, (uint8_t *)out, &slen);
|
|
free(out);
|
|
}
|
|
Delay_Ms(100);
|
|
NVIC_SystemReset();
|
|
}
|
|
|
|
/* 4.13 loop_param_set */
|
|
static void handle_loop_param_set(uint8_t socket, uint32_t msg_id, const char *json) {
|
|
// Forward to Loop MCU via UART2
|
|
// Store params locally for query response
|
|
char *data = json_get_data_str(json);
|
|
if (!data) {
|
|
json_send_error(socket, msg_id, "loop_param_set", JSON_CODE_PARAM_ERR, "missing data");
|
|
return;
|
|
}
|
|
free(data);
|
|
|
|
// Build binary packet for Loop MCU (protocol 0x63 = CMD_SET_MCJQ_PARAM)
|
|
// For now, ack the command — full loop MCU integration deferred
|
|
json_send_ok(socket, msg_id, "loop_param_set", NULL);
|
|
PRINT("JSON: loop_param_set (Loop MCU relay pending)\n");
|
|
}
|
|
|
|
/* 4.14 loop_param_query */
|
|
static void handle_loop_param_query(uint8_t socket, uint32_t msg_id, const char *json) {
|
|
// Query Loop MCU via UART2 (protocol 0x64 = CMD_GET_MCJQ_PARAM)
|
|
// For now, return stub data — full loop MCU integration deferred
|
|
char data_json[600];
|
|
snprintf(data_json, sizeof(data_json),
|
|
"{\"auto_mode\":false,"
|
|
"\"channels\":["
|
|
"{\"ch\":1,\"sensitivity\":7,\"freq_level\":\"high\",\"loop_delay\":0,"
|
|
"\"output_mode\":\"exist\",\"exist_mode\":0,\"direction_mode\":0,"
|
|
"\"safe_mode\":0,\"function_mode\":0,\"freq_initial\":0,\"freq_current\":0,\"freq_diff\":0},"
|
|
"{\"ch\":2,\"sensitivity\":7,\"freq_level\":\"mid_high\",\"loop_delay\":5,"
|
|
"\"output_mode\":\"exist\",\"exist_mode\":0,\"direction_mode\":0,"
|
|
"\"safe_mode\":0,\"function_mode\":0,\"freq_initial\":0,\"freq_current\":0,\"freq_diff\":0},"
|
|
"{\"ch\":3,\"sensitivity\":5,\"freq_level\":\"mid_low\",\"loop_delay\":0,"
|
|
"\"output_mode\":\"exist\",\"exist_mode\":0,\"direction_mode\":0,"
|
|
"\"safe_mode\":0,\"function_mode\":0,\"freq_initial\":0,\"freq_current\":0,\"freq_diff\":0},"
|
|
"{\"ch\":4,\"sensitivity\":8,\"freq_level\":\"low\",\"loop_delay\":0,"
|
|
"\"output_mode\":\"exist\",\"exist_mode\":0,\"direction_mode\":0,"
|
|
"\"safe_mode\":0,\"function_mode\":0,\"freq_initial\":0,\"freq_current\":0,\"freq_diff\":0}]}");
|
|
|
|
json_send_ok(socket, msg_id, "loop_param_query", data_json);
|
|
PRINT("JSON: loop_param_query (stub — Loop MCU relay pending)\n");
|
|
}
|
|
|
|
/* 4.15 report_config */
|
|
static void handle_report_config(uint8_t socket, uint32_t msg_id, const char *json) {
|
|
char *data = json_get_data_str(json);
|
|
if (!data) {
|
|
json_send_error(socket, msg_id, "report_config", JSON_CODE_PARAM_ERR, "missing data");
|
|
return;
|
|
}
|
|
// Store report config for future push support
|
|
free(data);
|
|
json_send_ok(socket, msg_id, "report_config", NULL);
|
|
PRINT("JSON: report_config (push not yet implemented)\n");
|
|
}
|
|
|
|
|
|
/*===========================================================================
|
|
* Command Dispatch Table
|
|
*===========================================================================*/
|
|
typedef struct {
|
|
const char *cmd;
|
|
void (*handler)(uint8_t socket, uint32_t msg_id, const char *json);
|
|
uint8_t need_auth; // 1 = requires auth, 0 = pre-auth ok
|
|
} JsonCmdEntry;
|
|
|
|
static const JsonCmdEntry g_cmd_table[] = {
|
|
{"pwd_verify", handle_pwd_verify, 0},
|
|
{"dev_serial_set", handle_dev_serial_set, 1},
|
|
{"dev_info_query", handle_dev_info_query, 1},
|
|
{"ssc_net_set", handle_ssc_net_set, 1},
|
|
{"ssc_net_query", handle_ssc_net_query, 1},
|
|
{"iot_net_set", handle_iot_net_set, 1},
|
|
{"iot_net_query", handle_iot_net_query, 1},
|
|
{"iot_topic_set", handle_iot_topic_set, 1},
|
|
{"iot_topic_query", handle_iot_topic_query, 1},
|
|
{"pwd_set", handle_pwd_set, 1},
|
|
{"factory_reset", handle_factory_reset, 1},
|
|
{"device_reset", handle_device_reset, 1},
|
|
{"loop_param_set", handle_loop_param_set, 1},
|
|
{"loop_param_query", handle_loop_param_query, 1},
|
|
{"report_config", handle_report_config, 1},
|
|
};
|
|
|
|
#define JSON_CMD_COUNT (sizeof(g_cmd_table) / sizeof(g_cmd_table[0]))
|
|
|
|
|
|
/*===========================================================================
|
|
* Frame Processing
|
|
*===========================================================================*/
|
|
static void json_process_frame(uint8_t socket, const char *frame) {
|
|
if (strlen(frame) == 0) return;
|
|
|
|
uint32_t msg_id = json_get_msg_id(frame);
|
|
char cmd[32] = {0};
|
|
json_get_cmd(frame, cmd, sizeof(cmd));
|
|
|
|
PRINT("JSON dispatch: msg_id=%lu cmd=[%s] len=%d\n", msg_id, cmd, strlen(cmd));
|
|
|
|
if (strlen(cmd) == 0) {
|
|
PRINT("JSON: empty cmd, sending error\n");
|
|
json_send_error(socket, msg_id, "", JSON_CODE_PARAM_ERR, "missing cmd field");
|
|
return;
|
|
}
|
|
|
|
// Dispatch
|
|
int handled = 0;
|
|
for (int i = 0; i < JSON_CMD_COUNT; i++) {
|
|
if (strcmp(cmd, g_cmd_table[i].cmd) == 0) {
|
|
PRINT("JSON: matched cmd[%d]=%s, need_auth=%d, auth_state=%d\n",
|
|
i, g_cmd_table[i].cmd, g_cmd_table[i].need_auth, g_json_auth_state);
|
|
// Check auth
|
|
if (g_cmd_table[i].need_auth && g_json_auth_state != JSON_STATE_AUTHED) {
|
|
json_send_error(socket, msg_id, cmd, JSON_CODE_NOT_AUTHED, "not authenticated");
|
|
handled = 1;
|
|
break;
|
|
}
|
|
PRINT("JSON: calling handler for %s\n", cmd);
|
|
g_cmd_table[i].handler(socket, msg_id, frame);
|
|
handled = 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!handled) {
|
|
json_send_error(socket, msg_id, cmd, JSON_CODE_UNSUPPORTED, "unsupported command");
|
|
PRINT("JSON: unsupported cmd: [%s]\n", cmd);
|
|
}
|
|
}
|
|
|
|
|
|
/*===========================================================================
|
|
* Public API
|
|
*===========================================================================*/
|
|
|
|
void tcp_json_srv_init(void) {
|
|
uint8_t ret;
|
|
SOCK_INF sock_inf;
|
|
|
|
memset(&sock_inf, 0, sizeof(SOCK_INF));
|
|
sock_inf.SourPort = TCP_JSON_PORT;
|
|
sock_inf.ProtoType = PROTO_TYPE_TCP;
|
|
sock_inf.RecvBufLen = RECE_BUF_LEN;
|
|
|
|
ret = WCHNET_SocketCreat(&g_json_socket_listen, &sock_inf);
|
|
if (ret != WCHNET_ERR_SUCCESS) {
|
|
PRINT("JSON: SocketCreat failed: 0x%02X\n", ret);
|
|
return;
|
|
}
|
|
|
|
ret = WCHNET_SocketListen(g_json_socket_listen);
|
|
if (ret != WCHNET_ERR_SUCCESS) {
|
|
PRINT("JSON: SocketListen failed: 0x%02X\n", ret);
|
|
return;
|
|
}
|
|
|
|
PRINT("JSON: TCP listen on port %d (socket %d)\n", TCP_JSON_PORT, g_json_socket_listen);
|
|
}
|
|
|
|
void tcp_json_handle_sock_int(uint8_t socketid, uint8_t intstat) {
|
|
// === Listen socket events ===
|
|
if (socketid == g_json_socket_listen) {
|
|
if (intstat & SINT_STAT_CONNECT) {
|
|
// A client connected — the accepted socket gets its own CONNECT event
|
|
// We handle the accept in the "newly accepted" path below
|
|
PRINT("JSON: Listen socket got CONNECT\n");
|
|
}
|
|
if (intstat & SINT_STAT_DISCONNECT) {
|
|
PRINT("JSON: Listen socket disconnect (unexpected)\n");
|
|
}
|
|
return;
|
|
}
|
|
|
|
// === Newly accepted client (CONNECT on unknown socket) ===
|
|
if ((intstat & SINT_STAT_CONNECT) && socketid != g_json_socket_client
|
|
&& socketid != SocketId_TCP && socketid != SocketId_UDP) {
|
|
// This is the newly accepted JSON client connection
|
|
g_json_socket_client = socketid;
|
|
g_json_auth_state = JSON_STATE_WAIT_AUTH;
|
|
g_json_pwd_retry = 0;
|
|
g_json_auth_timer = mstick();
|
|
g_json_recv_len = 0;
|
|
memset(g_json_recv_buf, 0, sizeof(g_json_recv_buf));
|
|
|
|
// CRITICAL: Set up receive buffer for the accepted TCP socket
|
|
// Without this, WCHNET won't buffer incoming data on this socket
|
|
WCHNET_ModifyRecvBuf(socketid, (uint32_t)g_json_recv_buf, TCP_JSON_RECV_BUF_LEN);
|
|
|
|
PRINT("JSON: Client accepted on socket %d, recv buf configured\n", socketid);
|
|
return;
|
|
}
|
|
|
|
// === Client socket events ===
|
|
if (socketid == g_json_socket_client) {
|
|
if (intstat & SINT_STAT_RECV) {
|
|
// Read data into frame buffer
|
|
uint32_t recv_len = WCHNET_SocketRecvLen(socketid, NULL);
|
|
if (recv_len > 0) {
|
|
uint16_t space = TCP_JSON_RECV_BUF_LEN - g_json_recv_len;
|
|
if (recv_len > space) recv_len = space;
|
|
uint32_t rd_len = recv_len;
|
|
WCHNET_SocketRecv(socketid, g_json_recv_buf + g_json_recv_len, &rd_len);
|
|
g_json_recv_len += (uint16_t)rd_len;
|
|
|
|
// Process complete frames
|
|
char frame[TCP_JSON_MAX_FRAME];
|
|
while (json_extract_frame(g_json_recv_buf, &g_json_recv_len, frame, sizeof(frame))) {
|
|
PRINT("JSON recv: %s\n", frame);
|
|
json_process_frame(socketid, frame);
|
|
|
|
// Reset auth timer on activity
|
|
if (g_json_auth_state == JSON_STATE_WAIT_AUTH) {
|
|
g_json_auth_timer = mstick();
|
|
}
|
|
}
|
|
|
|
// Buffer overflow protection
|
|
if (g_json_recv_len >= TCP_JSON_MAX_FRAME) {
|
|
PRINT("JSON: frame overflow, discarding buffer\n");
|
|
g_json_recv_len = 0;
|
|
memset(g_json_recv_buf, 0, sizeof(g_json_recv_buf));
|
|
}
|
|
}
|
|
}
|
|
|
|
if (intstat & SINT_STAT_CONNECT) {
|
|
PRINT("JSON: Client socket connected (id=%d)\n", socketid);
|
|
g_json_auth_state = JSON_STATE_WAIT_AUTH;
|
|
g_json_pwd_retry = 0;
|
|
g_json_auth_timer = mstick();
|
|
g_json_recv_len = 0;
|
|
}
|
|
|
|
if (intstat & SINT_STAT_DISCONNECT) {
|
|
PRINT("JSON: Client disconnected (id=%d)\n", socketid);
|
|
g_json_socket_client = 0xFF;
|
|
g_json_auth_state = JSON_STATE_WAIT_AUTH;
|
|
g_json_pwd_retry = 0;
|
|
g_json_recv_len = 0;
|
|
}
|
|
|
|
if (intstat & SINT_STAT_TIM_OUT) {
|
|
PRINT("JSON: Client timeout (id=%d)\n", socketid);
|
|
g_json_socket_client = 0xFF;
|
|
g_json_auth_state = JSON_STATE_WAIT_AUTH;
|
|
g_json_pwd_retry = 0;
|
|
g_json_recv_len = 0;
|
|
}
|
|
return;
|
|
}
|
|
|
|
// === New socket connecting? (WCHNET assigns TCP PCB after listen accept) ===
|
|
if (intstat & SINT_STAT_CONNECT && g_json_socket_client == 0xFF && socketid != g_json_socket_listen) {
|
|
// This might be the newly accepted JSON client connection
|
|
g_json_socket_client = socketid;
|
|
g_json_auth_state = JSON_STATE_WAIT_AUTH;
|
|
g_json_pwd_retry = 0;
|
|
g_json_auth_timer = mstick();
|
|
g_json_recv_len = 0;
|
|
memset(g_json_recv_buf, 0, sizeof(g_json_recv_buf));
|
|
PRINT("JSON: Client accepted on socket %d\n", socketid);
|
|
}
|
|
}
|
|
|
|
void tcp_json_poll(void) {
|
|
// Auth timeout check
|
|
if (g_json_auth_state == JSON_STATE_WAIT_AUTH && g_json_socket_client != 0xFF) {
|
|
if (mstick() - g_json_auth_timer > TCP_JSON_AUTH_TIMEOUT_MS) {
|
|
PRINT("JSON: Auth timeout, closing connection\n");
|
|
WCHNET_SocketClose(g_json_socket_client, TCP_CLOSE_NORMAL);
|
|
g_json_socket_client = 0xFF;
|
|
g_json_auth_state = JSON_STATE_WAIT_AUTH;
|
|
g_json_pwd_retry = 0;
|
|
g_json_recv_len = 0;
|
|
}
|
|
}
|
|
|
|
// Lockout timeout check
|
|
if (g_json_auth_state == JSON_STATE_LOCKOUT) {
|
|
if (mstick() - g_json_lockout_timer > TCP_JSON_LOCKOUT_TIMEOUT_MS) {
|
|
PRINT("JSON: Lockout expired\n");
|
|
g_json_auth_state = JSON_STATE_WAIT_AUTH;
|
|
g_json_pwd_retry = 0;
|
|
}
|
|
}
|
|
}
|