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Move remaining monitor status print functions inside class

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This commit is contained in:
Esa Korhonen
2019-05-14 17:57:22 +03:00
parent 0a6c94d77b
commit f86f2c7688
3 changed files with 70 additions and 67 deletions
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5
include/maxscale/monitor.hh
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@ -78,8 +78,6 @@ extern const char CN_MONITOR_INTERVAL[];
extern const char CN_SCRIPT[];
extern const char CN_SCRIPT_TIMEOUT[];
json_t* monitor_json_data(const mxs::Monitor* monitor, const char* host);
/**
* The monitor API version number. Any change to the monitor module API
* must change these versions using the rules defined in modinfo.h
@ -358,6 +356,8 @@ public:
*/
void deactivate();
json_t* to_json(const char* host) const;
/**
* Write diagnostic information to a DCB.
*
@ -585,6 +585,7 @@ private:
FILE* open_data_file(Monitor* monitor, char* path);
int get_data_file_path(char* path) const;
json_t* parameters_to_json() const;
mxb::StopWatch m_disk_space_checked; /**< When was disk space checked the last time */
std::atomic_bool m_status_change_pending {false}; /**< Set when admin requests a status change. */

116
server/core/monitor.cc
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@ -412,19 +412,6 @@ bool process_data_file(Monitor* monitor, MonitorServer** master,
return true;
}
json_t* monitor_parameters_to_json(const Monitor* monitor)
{
json_t* rval = json_object();
const MXS_MODULE* mod = get_module(monitor->m_module.c_str(), MODULE_MONITOR);
auto mon_config = monitor->parameters();
config_add_module_params_json(&mon_config,
{CN_TYPE, CN_MODULE, CN_SERVERS},
config_monitor_params,
mod->parameters,
rval);
return rval;
}
bool check_disk_space_exhausted(MonitorServer* pMs,
const std::string& path,
const maxscale::disk::SizesAndName& san,
@ -456,50 +443,6 @@ const char WRN_REQUEST_OVERWRITTEN[] =
"Previous maintenance request was not yet read by the monitor and was overwritten.";
}
json_t* monitor_json_data(const Monitor* monitor, const char* host)
{
json_t* rval = json_object();
json_t* attr = json_object();
json_t* rel = json_object();
{
Guard guard(monitor->m_lock);
json_object_set_new(rval, CN_ID, json_string(monitor->name()));
json_object_set_new(rval, CN_TYPE, json_string(CN_MONITORS));
json_object_set_new(attr, CN_MODULE, json_string(monitor->m_module.c_str()));
json_object_set_new(attr, CN_STATE, json_string(monitor_state_to_string(monitor->state())));
json_object_set_new(attr, CN_TICKS, json_integer(monitor->ticks()));
/** Monitor parameters */
json_object_set_new(attr, CN_PARAMETERS, monitor_parameters_to_json(monitor));
if (monitor->state() == MONITOR_STATE_RUNNING)
{
json_t* diag = monitor->diagnostics_json();
if (diag)
{
json_object_set_new(attr, CN_MONITOR_DIAGNOSTICS, diag);
}
}
if (!monitor->m_servers.empty())
{
json_t* mon_rel = mxs_json_relationship(host, MXS_JSON_API_SERVERS);
for (MonitorServer* db : monitor->m_servers)
{
mxs_json_add_relation(mon_rel, db->server->name(), CN_SERVERS);
}
json_object_set_new(rel, CN_SERVERS, mon_rel);
}
}
json_object_set_new(rval, CN_RELATIONSHIPS, rel);
json_object_set_new(rval, CN_ATTRIBUTES, attr);
json_object_set_new(rval, CN_LINKS, mxs_json_self_link(host, CN_MONITORS, monitor->name()));
return rval;
}
namespace maxscale
{
@ -698,6 +641,65 @@ void Monitor::show(DCB* dcb)
dcb_printf(dcb, "\n");
}
json_t* Monitor::to_json(const char* host) const
{
// This function mostly reads settings-type data, which is only written to by the admin thread,
// The rest is safe to read without mutexes.
mxb_assert(Monitor::is_admin_thread());
json_t* rval = json_object();
json_t* attr = json_object();
json_t* rel = json_object();
auto my_name = name();
json_object_set_new(rval, CN_ID, json_string(my_name));
json_object_set_new(rval, CN_TYPE, json_string(CN_MONITORS));
json_object_set_new(attr, CN_MODULE, json_string(m_module.c_str()));
auto my_state = state();
json_object_set_new(attr, CN_STATE, json_string(monitor_state_to_string(my_state)));
json_object_set_new(attr, CN_TICKS, json_integer(ticks()));
/** Monitor parameters */
json_object_set_new(attr, CN_PARAMETERS, parameters_to_json());
if (my_state == MONITOR_STATE_RUNNING)
{
json_t* diag = diagnostics_json();
if (diag)
{
json_object_set_new(attr, CN_MONITOR_DIAGNOSTICS, diag);
}
}
if (!m_servers.empty())
{
json_t* mon_rel = mxs_json_relationship(host, MXS_JSON_API_SERVERS);
for (MonitorServer* db : m_servers)
{
mxs_json_add_relation(mon_rel, db->server->name(), CN_SERVERS);
}
json_object_set_new(rel, CN_SERVERS, mon_rel);
}
json_object_set_new(rval, CN_RELATIONSHIPS, rel);
json_object_set_new(rval, CN_ATTRIBUTES, attr);
json_object_set_new(rval, CN_LINKS, mxs_json_self_link(host, CN_MONITORS, my_name));
return rval;
}
json_t* Monitor::parameters_to_json() const
{
json_t* rval = json_object();
const MXS_MODULE* mod = get_module(m_module.c_str(), MODULE_MONITOR);
auto my_config = parameters();
config_add_module_params_json(&my_config,
{CN_TYPE, CN_MODULE, CN_SERVERS},
config_monitor_params,
mod->parameters,
rval);
return rval;
}
bool Monitor::test_permissions(const string& query)
{
auto monitor = this;

16
server/core/monitormanager.cc
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@ -464,20 +464,20 @@ json_t* MonitorManager::monitor_to_json(const Monitor* monitor, const char* host
{
string self = MXS_JSON_API_MONITORS;
self += monitor->m_name;
return mxs_json_resource(host, self.c_str(), monitor_json_data(monitor, host));
return mxs_json_resource(host, self.c_str(), monitor->to_json(host));
}
json_t* MonitorManager::monitor_list_to_json(const char* host)
{
json_t* rval = json_array();
this_unit.foreach_monitor([rval, host](Monitor* mon) {
json_t* json = monitor_json_data(mon, host);
if (json)
{
json_array_append_new(rval, json);
}
return true;
});
json_t* json = mon->to_json(host);
if (json)
{
json_array_append_new(rval, json);
}
return true;
});
return mxs_json_resource(host, MXS_JSON_API_MONITORS, rval);
}