enh(bam): Attempt to start cbd quickly (#704)

* fix(stats): a compilation warning removed.
* cleanup(bam): default constructors/destructors cleaned
* cleanup(bam): override applied on many objects
* enh(bam/metrics): metrics removed from bam
* fix(bam): metric_book is removed
* fix(bam): metric_listener is removed from bam
* enh(bam): selects in load dimensions are parallelized
* fix(bam): cache is lighter
* fix(core): call to signal() uniformized.
* fix(bam/reader_v2): Queries improved.

REFS: MON-11910

Author: bouda1

bam/CMakeLists.txt

@@ -37,15 +37,13 @@ add_library("${BAM}" SHARED
   "${SRC_DIR}/ba_svc_mapping.cc"
   "${SRC_DIR}/ba_event.cc"
   "${SRC_DIR}/ba_duration_event.cc"
-  "${SRC_DIR}/bool_aggregate.cc"
   "${SRC_DIR}/bool_and.cc"
   "${SRC_DIR}/bool_binary_operator.cc"
   "${SRC_DIR}/bool_call.cc"
   "${SRC_DIR}/bool_constant.cc"
   "${SRC_DIR}/bool_equal.cc"
   "${SRC_DIR}/bool_expression.cc"
   "${SRC_DIR}/bool_less_than.cc"
-  "${SRC_DIR}/bool_metric.cc"
   "${SRC_DIR}/bool_more_than.cc"
   "${SRC_DIR}/bool_not.cc"
   "${SRC_DIR}/bool_not_equal.cc"
@@ -90,8 +88,6 @@ add_library("${BAM}" SHARED
   "${SRC_DIR}/kpi_service.cc"
   "${SRC_DIR}/kpi_status.cc"
   "${SRC_DIR}/main.cc"
-  "${SRC_DIR}/metric_book.cc"
-  "${SRC_DIR}/metric_listener.cc"
   "${SRC_DIR}/monitoring_stream.cc"
   "${SRC_DIR}/rebuild.cc"
   "${SRC_DIR}/reporting_stream.cc"
@@ -106,15 +102,13 @@ add_library("${BAM}" SHARED
   "${INC_DIR}/ba_svc_mapping.hh"
   "${INC_DIR}/ba_event.hh"
   "${INC_DIR}/ba_duration_event.hh"
-  "${INC_DIR}/bool_aggregate.hh"
   "${INC_DIR}/bool_and.hh"
   "${INC_DIR}/bool_binary_operator.hh"
   "${INC_DIR}/bool_call.hh"
   "${INC_DIR}/bool_constant.hh"
   "${INC_DIR}/bool_equal.hh"
   "${INC_DIR}/bool_expression.hh"
   "${INC_DIR}/bool_less_than.hh"
-  "${INC_DIR}/bool_metric.hh"
   "${INC_DIR}/bool_more_than.hh"
   "${INC_DIR}/bool_not.hh"
   "${INC_DIR}/bool_not_equal.hh"
@@ -160,8 +154,6 @@ add_library("${BAM}" SHARED
   "${INC_DIR}/kpi_event.hh"
   "${INC_DIR}/kpi_service.hh"
   "${INC_DIR}/kpi_status.hh"
-  "${INC_DIR}/metric_book.hh"
-  "${INC_DIR}/metric_listener.hh"
   "${INC_DIR}/monitoring_stream.hh"
   "${INC_DIR}/rebuild.hh"
   "${INC_DIR}/reporting_stream.hh"

bam/inc/com/centreon/broker/bam/ba_duration_event.hh

@@ -40,7 +40,7 @@ class ba_duration_event : public io::data {
  public:
   ba_duration_event();
   ba_duration_event(ba_duration_event const& other);
-  ~ba_duration_event();
+  ~ba_duration_event() noexcept override = default;
   ba_duration_event& operator=(ba_duration_event const& other);
   bool operator==(ba_duration_event const& other) const;
   constexpr static uint32_t static_type() {

bam/inc/com/centreon/broker/bam/ba_event.hh

@@ -39,7 +39,7 @@ class ba_event : public io::data {
  public:
   ba_event();
   ba_event(ba_event const& other);
-  ~ba_event();
+  ~ba_event() noexcept override = default;
   ba_event& operator=(ba_event const& other);
   bool operator==(ba_event const& other) const;
   constexpr static uint32_t static_type() {

bam/inc/com/centreon/broker/bam/ba_status.hh

@@ -1,5 +1,5 @@
 /*
-** Copyright 2014 Centreon
+** Copyright 2014, 2021 Centreon
 **
 ** Licensed under the Apache License, Version 2.0 (the "License");
 ** you may not use this file except in compliance with the License.
@@ -40,7 +40,7 @@ class ba_status : public io::data {
  public:
   ba_status();
   ba_status(ba_status const& other);
-  ~ba_status();
+  ~ba_status() noexcept override = default;
   ba_status& operator=(ba_status const& other);
   constexpr static uint32_t static_type() {
     return io::events::data_type<io::events::bam, bam::de_ba_status>::value;

bam/inc/com/centreon/broker/bam/bool_aggregate.hh

@@ -36,10 +36,10 @@ class bool_and : public bool_binary_operator {
  public:
   bool_and();
   bool_and(bool_and const& right);
-  ~bool_and();
+  ~bool_and() noexcept override = default;
   bool_and& operator=(bool_and const& right);
-  double value_hard();
-  double value_soft();
+  double value_hard() override;
+  double value_soft() override;
 };
 }  // namespace bam
 

bam/inc/com/centreon/broker/bam/bool_and.hh

@@ -43,13 +43,13 @@ class bool_binary_operator : public bool_value {
 
   bool_binary_operator();
   bool_binary_operator(bool_binary_operator const& right);
-  virtual ~bool_binary_operator();
+  ~bool_binary_operator() noexcept override = default;
   bool_binary_operator& operator=(bool_binary_operator const& right);
-  bool child_has_update(computable* child, io::stream* visitor = NULL);
+  bool child_has_update(computable* child, io::stream* visitor = NULL) override;
   void set_left(std::shared_ptr<bool_value> const& left);
   void set_right(std::shared_ptr<bool_value> const& right);
-  bool state_known() const;
-  bool in_downtime() const;
+  bool state_known() const override;
+  bool in_downtime() const override;
 
  protected:
   std::shared_ptr<bool_value> _left;

bam/inc/com/centreon/broker/bam/bool_binary_operator.hh

@@ -42,14 +42,14 @@ class bool_call : public bool_value {
 
   bool_call(std::string const& name);
   bool_call(bool_call const& right);
-  ~bool_call();
+  ~bool_call() noexcept override = default;
   bool_call& operator=(bool_call const& right);
-  double value_hard();
-  double value_soft();
-  bool state_known() const;
+  double value_hard() override;
+  double value_soft() override;
+  bool state_known() const override;
   std::string const& get_name() const;
   void set_expression(std::shared_ptr<bool_value> expression);
-  bool child_has_update(computable* child, io::stream* visitor = NULL);
+  bool child_has_update(computable* child, io::stream* visitor = NULL) override;
 
  private:
   std::string _name;

bam/inc/com/centreon/broker/bam/bool_call.hh

@@ -33,18 +33,17 @@ namespace bam {
  *  value (i.e '42').
  */
 class bool_constant : public bool_value {
+  double _value;
+
  public:
   bool_constant(double value);
   bool_constant(bool_constant const& right);
-  ~bool_constant();
+  ~bool_constant() noexcept override = default;
   bool_constant& operator=(bool_constant const& right);
-  bool child_has_update(computable* child, io::stream* visitor);
-  double value_hard();
-  double value_soft();
-  bool state_known() const;
-
- private:
-  double _value;
+  bool child_has_update(computable* child, io::stream* visitor) override;
+  double value_hard() override;
+  double value_soft() override;
+  bool state_known() const override;
 };
 }  // namespace bam
 

bam/inc/com/centreon/broker/bam/bool_constant.hh

@@ -36,10 +36,10 @@ class bool_equal : public bool_binary_operator {
  public:
   bool_equal();
   bool_equal(bool_equal const& right);
-  ~bool_equal();
+  ~bool_equal() noexcept override = default;
   bool_equal& operator=(bool_equal const& right);
-  double value_hard();
-  double value_soft();
+  double value_hard() override;
+  double value_soft() override;
 };
 }  // namespace bam