[update] llm_sys add cmminfo

Author: Abandon-ht

projects/llm_framework/main_sys/src/event_loop.cpp

@@ -1,4 +1,3 @@
-
 /*
  * SPDX-FileCopyrightText: 2024 M5Stack Technology CO LTD
  *
@@ -196,6 +195,70 @@ int sys_hwinfo(int com_id, const nlohmann::json &json_obj)
     return out;
 }
 
+void get_mem_cmm_info(unsigned long *total_size, unsigned long *used, unsigned long *remain)
+{
+    std::ifstream file("/proc/ax_proc/mem_cmm_info");
+    std::vector<std::string> lines;
+    std::string line;
+
+    while (std::getline(file, line)) {
+        lines.push_back(line);
+    }
+
+    if (!lines.empty()) {
+        std::string last_line = lines.back();
+
+        size_t pos = last_line.find("total size=");
+        if (pos != std::string::npos) {
+            pos += 11;
+            size_t end  = last_line.find('K', pos);
+            *total_size = std::stoul(last_line.substr(pos, end - pos));
+        }
+
+        pos = last_line.find("used=");
+        if (pos != std::string::npos) {
+            pos += 5;
+            size_t end = last_line.find('K', pos);
+            *used      = std::stoul(last_line.substr(pos, end - pos));
+        }
+
+        pos = last_line.find("remain=");
+        if (pos != std::string::npos) {
+            pos += 7;
+            size_t end = last_line.find('K', pos);
+            *remain    = std::stoul(last_line.substr(pos, end - pos));
+        }
+    }
+}
+
+void _sys_cmminfo(int com_id, const nlohmann::json &json_obj)
+{
+    unsigned long total_size, used, remain;
+    get_mem_cmm_info(&total_size, &used, &remain);
+
+    nlohmann::json out_body;
+    nlohmann::json data_body;
+    out_body["request_id"] = json_obj["request_id"];
+    out_body["work_id"]    = std::string("sys");
+    out_body["created"]    = time(NULL);
+    out_body["error"]      = nlohmann::json::parse("{\"code\":0, \"message\":\"\"}");
+    out_body["object"]     = std::string("sys.cmminfo");
+    data_body["total"]     = total_size;
+    data_body["used"]      = used;
+    data_body["remain"]    = remain;
+    out_body["data"]       = data_body;
+    std::string out        = out_body.dump();
+    zmq_com_send(com_id, out);
+}
+
+int sys_cmminfo(int com_id, const nlohmann::json &json_obj)
+{
+    int out = 0;
+    std::thread t(_sys_cmminfo, com_id, json_obj);
+    t.detach();
+    return out;
+}
+
 int sys_lsmode(int com_id, const nlohmann::json &json_obj)
 {
     int out;
@@ -643,6 +706,7 @@ void server_work()
     key_sql["sys.reboot"]    = sys_reboot;
     key_sql["sys.version"]   = sys_version;
     key_sql["sys.rmmode"]    = sys_rmmode;
+    key_sql["sys.cmminfo"]   = sys_cmminfo;
 }
 
 void server_stop_work()