Add license check functions

Former-commit-id: d3120c7b805a59bcb736908990d68652008eca8d

cpp/src/CMakeLists.txt

@@ -11,6 +11,10 @@ aux_source_directory(utils utils_files)
 aux_source_directory(db db_files)
 aux_source_directory(wrapper wrapper_files)
 
+set(license_check_files
+        ${CMAKE_CURRENT_SOURCE_DIR}/license/License.cpp
+        )
+
 set(service_files
         thrift/gen-cpp/VecService.cpp
         thrift/gen-cpp/VectorService_constants.cpp
@@ -49,6 +53,7 @@ add_executable(vecwise_server
         ${server_files}
         ${utils_files}
         ${service_files}
+        ${license_check_files}
         ${VECWISE_THIRD_PARTY_BUILD}/include/easylogging++.cc
         )
 
@@ -69,3 +74,8 @@ set(server_libs
         )
 
 target_link_libraries(vecwise_server ${server_libs})
+
+set(license_generator_src
+        ${CMAKE_CURRENT_SOURCE_DIR}/license/LicenseGenerator.cpp)
+
+add_executable(license_generator ${license_generator_src})

cpp/src/license/License.cpp

@@ -0,0 +1,14 @@
+#include "License.h"
+
+namespace zilliz {
+namespace vecwise {
+namespace server {
+
+ServerError
+LicenseValidate(const std::string& path) {
+    return SERVER_SUCCESS;
+}
+
+}
+}
+}

cpp/src/license/License.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#include "utils/Error.h"
+
+namespace zilliz {
+namespace vecwise {
+namespace server {
+
+ServerError
+LicenseValidate(const std::string& path);
+
+}
+}
+}
+
+

cpp/src/license/LicenseGenerator.cpp

@@ -0,0 +1,6 @@
+#include <iostream>
+
+int main() {
+    std::cout << "This is license generator" << std::endl;
+    return 0;
+}

cpp/src/server/Server.cpp

@@ -9,7 +9,7 @@
 #include "utils/Log.h"
 #include "utils/SignalUtil.h"
 #include "utils/TimeRecorder.h"
-
+#include "license/License.h"
 
 #include <fcntl.h>
 #include <sys/stat.h>
@@ -133,6 +133,12 @@ Server::Daemonize() {
 
 int
 Server::Start() {
+    std::string license_file_path = "/tmp/vecwise.license";
+    if(LicenseValidate(license_file_path) != SERVER_SUCCESS) {
+        SERVER_LOG_ERROR << "License check failed";
+        return 1;
+    }
+
     if (daemonized_) {
         Daemonize();
     }