+++ /dev/null
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-
-#include "common/TracepointProvider.h"
-#include "common/config.h"
-
-TracepointProvider::TracepointProvider(CephContext *cct, const char *library,
- const char *config_key)
- : m_cct(cct), m_library(library), m_config_keys{config_key, NULL},
- m_lock("TracepointProvider::m_lock") {
- m_cct->_conf->add_observer(this);
- verify_config(m_cct->_conf);
-}
-
-TracepointProvider::~TracepointProvider() {
- m_cct->_conf->remove_observer(this);
- if (m_handle) {
- dlclose(m_handle);
- }
-}
-
-void TracepointProvider::handle_conf_change(
- const struct md_config_t *conf, const std::set<std::string> &changed) {
- if (changed.count(m_config_keys[0])) {
- verify_config(conf);
- }
-}
-
-void TracepointProvider::verify_config(const struct md_config_t *conf) {
- Mutex::Locker locker(m_lock);
- if (m_handle) {
- return;
- }
-
- char buf[10];
- char *pbuf = buf;
- if (conf->get_val(m_config_keys[0], &pbuf, sizeof(buf)) != 0 ||
- strncmp(buf, "true", 5) != 0) {
- return;
- }
-
- m_handle = dlopen(m_library.c_str(), RTLD_NOW | RTLD_NODELETE);
- assert(m_handle);
-}
-