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mxq/mxq_daemon.c

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#include <stdio.h>
#include <assert.h>
#include <errno.h>
#include <mysql.h>
#include "mx_log.h"
#include "mx_util.h"
#include "mx_mysql.h"
#include "mxq_daemon.h"
#define DAEMON_FIELDS_CNT 18
#define DAEMON_FIELDS \
" daemon_id," \
" daemon_name," \
" status," \
" hostname," \
" mxq_version," \
" boot_id," \
" pid_starttime," \
" daemon_pid," \
" daemon_slots," \
" daemon_memory," \
" daemon_time," \
" daemon_memory_limit_slot_soft," \
" daemon_memory_limit_slot_hard," \
" daemon_jobs_running," \
" daemon_slots_running," \
" daemon_threads_running," \
" daemon_memory_used," \
" UNIX_TIMESTAMP(mtime) as mtime," \
" UNIX_TIMESTAMP(daemon_start) as daemon_start," \
" UNIX_TIMESTAMP(daemon_stop) as daemon_stop"
static int bind_result_daemon_fields(struct mx_mysql_bind *result, struct mxq_daemon *daemon)
{
int res = 0;
int idx = 0;
res = mx_mysql_bind_init_result(result, DAEMON_FIELDS_CNT);
assert(res >= 0);
res += mx_mysql_bind_var(result, idx++, uint32, &(daemon->daemon_id));
res += mx_mysql_bind_var(result, idx++, string, &(daemon->daemon_name));
res += mx_mysql_bind_var(result, idx++, uint8, &(daemon->status));
res += mx_mysql_bind_var(result, idx++, string, &(daemon->hostname));
res += mx_mysql_bind_var(result, idx++, string, &(daemon->mxq_version));
res += mx_mysql_bind_var(result, idx++, string, &(daemon->boot_id));
res += mx_mysql_bind_var(result, idx++, uint64, &(daemon->pid_starttime));
res += mx_mysql_bind_var(result, idx++, uint32, &(daemon->daemon_pid));
res += mx_mysql_bind_var(result, idx++, uint32, &(daemon->daemon_slots));
res += mx_mysql_bind_var(result, idx++, uint64, &(daemon->daemon_memory));
res += mx_mysql_bind_var(result, idx++, uint32, &(daemon->daemon_time));
res += mx_mysql_bind_var(result, idx++, uint64, &(daemon->daemon_memory_limit_slot_soft));
res += mx_mysql_bind_var(result, idx++, uint64, &(daemon->daemon_memory_limit_slot_hard));
res += mx_mysql_bind_var(result, idx++, uint32, &(daemon->daemon_jobs_running));
res += mx_mysql_bind_var(result, idx++, uint32, &(daemon->daemon_slots_running));
res += mx_mysql_bind_var(result, idx++, uint32, &(daemon->daemon_threads_running));
res += mx_mysql_bind_var(result, idx++, uint64, &(daemon->daemon_memory_used));
res += mx_mysql_bind_var(result, idx++, int64, &(daemon->mtime.tv_sec));
res += mx_mysql_bind_var(result, idx++, int64, &(daemon->daemon_start.tv_sec));
res += mx_mysql_bind_var(result, idx++, int64, &(daemon->daemon_stop.tv_sec));
return res;
}
void mxq_daemon_free_content(struct mxq_daemon *daemon)
{
mx_free_null(daemon->daemon_name);
mx_free_null(daemon->hostname);
mx_free_null(daemon->mxq_version);
mx_free_null(daemon->boot_id);
}
int mxq_daemon_register(struct mx_mysql *mysql, struct mxq_daemon *daemon)
{
struct mx_mysql_stmt *stmt = NULL;
unsigned long long num_rows = 0;
unsigned long long insert_id = 0;
int res;
int idx;
assert(daemon);
assert(daemon->daemon_name);
assert(daemon->hostname);
assert(daemon->mxq_version);
assert(daemon->boot_id);
assert(*daemon->daemon_name);
assert(*daemon->hostname);
assert(*daemon->mxq_version);
assert(*daemon->boot_id);
assert(daemon->pid_starttime);
assert(daemon->daemon_pid);
assert(daemon->daemon_slots);
assert(daemon->daemon_memory);
assert(daemon->daemon_memory_limit_slot_soft <= daemon->daemon_memory_limit_slot_hard);
assert(daemon->daemon_memory_limit_slot_hard <= daemon->daemon_memory);
stmt = mx_mysql_statement_prepare(mysql,
"INSERT INTO"
" mxq_daemon"
" SET"
" daemon_name = ?,"
" status = ?,"
" hostname = ?,"
" mxq_version = ?,"
" boot_id = ? ,"
" pid_starttime = ?,"
" daemon_pid = ?,"
" daemon_slots = ?,"
" daemon_memory = ?,"
" daemon_time = ?,"
" daemon_memory_limit_slot_soft = ?,"
" daemon_memory_limit_slot_hard = ?,"
" daemon_jobs_running = 0,"
" daemon_slots_running = 0,"
" daemon_threads_running = 0,"
" daemon_memory_used = 0,"
" mtime = NULL,"
" daemon_start = NULL,"
" daemon_stop = 0"
);
if (!stmt) {
mx_log_err("mx_mysql_statement_prepare(): %m");
mx_mysql_statement_close(&stmt);
return -errno;
}
idx = 0;
res = mx_mysql_statement_param_bind(stmt, idx++, string, &(daemon->daemon_name));
res += mx_mysql_statement_param_bind(stmt, idx++, uint8, &(daemon->status));
res += mx_mysql_statement_param_bind(stmt, idx++, string, &(daemon->hostname));
res += mx_mysql_statement_param_bind(stmt, idx++, string, &(daemon->mxq_version));
res += mx_mysql_statement_param_bind(stmt, idx++, string, &(daemon->boot_id));
res += mx_mysql_statement_param_bind(stmt, idx++, uint64, &(daemon->pid_starttime));
res += mx_mysql_statement_param_bind(stmt, idx++, uint32, &(daemon->daemon_pid));
res += mx_mysql_statement_param_bind(stmt, idx++, uint32, &(daemon->daemon_slots));
res += mx_mysql_statement_param_bind(stmt, idx++, uint64, &(daemon->daemon_memory));
res += mx_mysql_statement_param_bind(stmt, idx++, uint32, &(daemon->daemon_time));
res += mx_mysql_statement_param_bind(stmt, idx++, uint64, &(daemon->daemon_memory_limit_slot_soft));
res += mx_mysql_statement_param_bind(stmt, idx++, uint64, &(daemon->daemon_memory_limit_slot_hard));
assert(res ==0);
res = mx_mysql_statement_execute(stmt, &num_rows);
if (res < 0) {
mx_log_err("mx_mysql_statement_execute(): %m");
mx_mysql_statement_close(&stmt);
return res;
}
assert(num_rows == 1);
mx_mysql_statement_insert_id(stmt, &insert_id);
assert(insert_id > 0);
daemon->daemon_id = insert_id;
res = mx_mysql_statement_close(&stmt);
return (int)num_rows;
}
int mxq_load_all_daemons(struct mx_mysql *mysql, struct mxq_daemon **daemons)
{
struct mxq_daemon *daemons_tmp = NULL;
struct mxq_daemon daemon_buf = {0};
struct mx_mysql_bind result = {0};
int res;
assert(mysql);
assert(daemons);
assert(!(*daemons));
char *query =
"SELECT"
DAEMON_FIELDS
" FROM"
" mxq_daemon";
res = bind_result_daemon_fields(&result, &daemon_buf);
assert(res == 0);
res = mx_mysql_do_statement(mysql, query, NULL, &result, &daemon_buf, (void **)&daemons_tmp, sizeof(*daemons_tmp));
if (res < 0) {
mx_log_err("mx_mysql_do_statement(): %m");
return res;
}
*daemons = daemons_tmp;
return res;
}
int mxq_load_running_daemons(struct mx_mysql *mysql, struct mxq_daemon **daemons)
{
struct mxq_daemon *daemons_tmp = NULL;
struct mxq_daemon daemon_buf = {0};
struct mx_mysql_bind result = {0};
int res;
assert(mysql);
assert(daemons);
assert(!(*daemons));
char *query =
"SELECT"
DAEMON_FIELDS
" FROM"
" mxq_daemon"
" WHERE"
" daemon_jobs_runnning > 0"
" OR"
" daemon_stop = 0";
res = bind_result_daemon_fields(&result, &daemon_buf);
assert(res == 0);
res = mx_mysql_do_statement(mysql, query, NULL, &result, &daemon_buf, (void **)&daemons_tmp, sizeof(*daemons_tmp));
if (res < 0) {
mx_log_err("mx_mysql_do_statement(): %m");
return res;
}
*daemons = daemons_tmp;
return res;
}
int mxq_load_running_daemons_by_host_and_name(struct mx_mysql *mysql, struct mxq_daemon **daemons, char *hostname, char *daemon_name)
{
struct mxq_daemon *daemons_tmp = NULL;
struct mxq_daemon daemon_buf = {0};
struct mx_mysql_bind result = {0};
struct mx_mysql_bind param = {0};
int res;
int idx;
assert(mysql);
assert(daemons);
assert(!(*daemons));
assert(hostname);
assert(daemon_name);
char *query =
"SELECT"
DAEMON_FIELDS
" FROM"
" mxq_daemon"
" WHERE"
" hostname = ?"
" AND"
" daemon_name = ?"
" AND"
" ("
" daemon_jobs_runnning > 0"
" OR"
" daemon_stop = 0"
" )";
res = mx_mysql_bind_init_param(&param, 2);
assert(res == 0);
idx = 0;
res = mx_mysql_bind_var(&param, idx++, string, &hostname);
res = mx_mysql_bind_var(&param, idx++, string, &daemon_name);
assert(res == 0);
res = bind_result_daemon_fields(&result, &daemon_buf);
assert(res == 0);
res = mx_mysql_do_statement(mysql, query, NULL, &result, &daemon_buf, (void **)&daemons_tmp, sizeof(*daemons_tmp));
if (res < 0) {
mx_log_err("mx_mysql_do_statement(): %m");
return res;
}
*daemons = daemons_tmp;
return res;
}