Add functions for modify and get the current connections count for fi…

…ber server template.

lib_fiber/cpp/include/fiber/master_fiber.hpp

@@ -34,6 +34,19 @@ class FIBER_CPP_API master_fiber : public master_base {
 	 */
 	const char* get_conf_path(void) const;
 
+	/**
+	 * 获得当前服务总连接数
+	 * @return {long long}
+	 */
+	long long users_count();
+
+	/**
+	 * 修改当前服务连接数
+	 * @param n {int} 增加或减少（可以为负数）的连接数值
+	 * @return {long long} 返回修改的连接数
+	 */
+	long long users_count_add(int n);
+
 protected:
 	master_fiber(void);
 

lib_fiber/cpp/src/fiber_server.cpp

@@ -118,6 +118,24 @@ const char *acl_fiber_server_conf(void)
 	return __conf_file;
 }
 
+long long acl_fiber_server_users_count_add(int n)
+{
+	if (__clock) {
+		return acl_atomic_clock_users_add(__clock, n);
+	} else {
+		return 0;
+	}
+}
+
+long long acl_fiber_server_users_count()
+{
+	if (__clock) {
+		return acl_atomic_clock_users(__clock);
+	} else {
+		return 0;
+	}
+}
+
 static void fiber_client(ACL_FIBER *fiber acl_unused, void *ctx)
 {
 	ACL_VSTREAM *cstream = (ACL_VSTREAM *) ctx;

lib_fiber/cpp/src/fiber_server.hpp

@@ -1,5 +1,8 @@
 #pragma once
 
 const char *acl_fiber_server_conf(void);
+long long acl_fiber_server_users_count_add(int n);
+long long acl_fiber_server_users_count();
+
 void acl_fiber_server_main(int argc, char *argv[],
 	void (*service)(void*, ACL_VSTREAM*), void *ctx, int name, ...);

lib_fiber/cpp/src/master_fiber.cpp

@@ -155,4 +155,14 @@ int master_fiber::service_on_sighup(void* ctx, ACL_VSTRING* buf)
 	return ret ? 0 : -1;
 }
 
+long long master_fiber::users_count()
+{
+	return acl_fiber_server_users_count();
+}
+
+long long master_fiber::users_count_add(int n)
+{
+	return acl_fiber_server_users_count_add(n);
+}
+
 } // namespace acl