Class: Appsignal::Extension

Inherits:
Object
  • Object
show all
Defined in:
lib/appsignal/extension.rb,
ext/appsignal_extension.c

Defined Under Namespace

Classes: ExtTransaction

Class Method Summary collapse

Class Method Details

.add_distribution_value(key, value) ⇒ Object


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# File 'ext/appsignal_extension.c', line 198

static VALUE add_distribution_value(VALUE self, VALUE key, VALUE value) {
  Check_Type(key, T_STRING);
  Check_Type(value, T_FLOAT);

  appsignal_add_distribution_value(
      StringValueCStr(key),
      NUM2DBL(value)
  );
  return Qnil;
}

.agent_configObject


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# File 'lib/appsignal/extension.rb', line 17

def agent_config
  @agent_config ||= YAML.load(
    File.read(File.join(File.dirname(__FILE__), '../../ext/agent.yml'))
  )
end

.agent_versionObject


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# File 'lib/appsignal/extension.rb', line 23

def agent_version
  agent_config['version']
end

.get_server_state(key) ⇒ Object

Server state


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# File 'ext/appsignal_extension.c', line 20

static VALUE get_server_state(VALUE self, VALUE key) {
  char * ptr = appsignal_get_server_state(StringValueCStr(key));

  Check_Type(key, T_STRING);

  if (ptr) {
    return rb_str_new2(ptr);
  } else {
    return Qnil;
  }
}

.increment_counter(key, count) ⇒ Object


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# File 'ext/appsignal_extension.c', line 187

static VALUE increment_counter(VALUE self, VALUE key, VALUE count) {
  Check_Type(key, T_STRING);
  Check_Type(count, T_FIXNUM);

  appsignal_increment_counter(
      StringValueCStr(key),
      FIX2INT(count)
  );
  return Qnil;
}

.install_allocation_event_hookObject

Event hook installation


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# File 'ext/appsignal_extension.c', line 221

static VALUE install_allocation_event_hook() {
  // This event hook is only available on Ruby 2.1 and 2.2
  #if defined(RUBY_INTERNAL_EVENT_NEWOBJ)
  rb_add_event_hook(
      track_allocation,
      RUBY_INTERNAL_EVENT_NEWOBJ,
      Qnil
  );
  #endif

  return Qnil;
}

.install_gc_event_hooksObject


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# File 'ext/appsignal_extension.c', line 234

static VALUE install_gc_event_hooks() {
  // These event hooks are only available on Ruby 2.1 and 2.2
  #if defined(RUBY_INTERNAL_EVENT_GC_START)
  rb_add_event_hook(
      track_gc_start,
      RUBY_INTERNAL_EVENT_GC_START,
      Qnil
  );
  #endif
  #if defined(RUBY_INTERNAL_EVENT_GC_END_SWEEP)
  rb_add_event_hook(
      track_gc_end,
      RUBY_INTERNAL_EVENT_GC_END_MARK | RUBY_INTERNAL_EVENT_GC_END_SWEEP,
      Qnil
  );
  #endif

  return Qnil;
}

.method_missing(m, *args, &block) ⇒ Object


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# File 'lib/appsignal/extension.rb', line 27

def method_missing(m, *args, &block)
  # Do nothing if the extension methods are not loaded
end

.set_gauge(key, value) ⇒ Object

Metrics


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# File 'ext/appsignal_extension.c', line 176

static VALUE set_gauge(VALUE self, VALUE key, VALUE value) {
  Check_Type(key, T_STRING);
  Check_Type(value, T_FLOAT);

  appsignal_set_gauge(
      StringValueCStr(key),
      NUM2DBL(value)
  );
  return Qnil;
}

.startObject

Starting and stopping


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# File 'ext/appsignal_extension.c', line 8

static VALUE start(VALUE self) {
  appsignal_start();

  return Qnil;
}

.start_transaction(transaction_id, namespace) ⇒ Object

Start transaction


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# File 'ext/appsignal_extension.c', line 32

static VALUE start_transaction(VALUE self, VALUE transaction_id, VALUE namespace) {
  appsignal_transaction* transaction;

  Check_Type(transaction_id, T_STRING);
  Check_Type(namespace, T_STRING);

  transaction = appsignal_start_transaction(
      StringValueCStr(transaction_id),
      StringValueCStr(namespace)
  );

  if (transaction) {
    return Data_Wrap_Struct(ExtTransaction, NULL, appsignal_free_transaction, transaction);
  } else {
    return Qnil;
  }
}

.stopObject


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# File 'ext/appsignal_extension.c', line 14

static VALUE stop(VALUE self) {
  appsignal_stop();

  return Qnil;
}