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MySQL_Thread.cpp
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MySQL_Thread.cpp
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//#define __CLASS_STANDARD_MYSQL_THREAD_H
#define MYSQL_THREAD_IMPLEMENTATION
#include "proxysql.h"
#include "cpp.h"
#include "MySQL_Thread.h"
#include "SpookyV2.h"
#include <dirent.h>
#include <libgen.h>
#include "re2/re2.h"
#include "re2/regexp.h"
#ifdef DEBUG
MySQL_Session *sess_stopat;
#endif
#ifdef epoll_create1
#define EPOLL_CREATE epoll_create1(0)
#else
#define EPOLL_CREATE epoll_create(1)
#endif
#define PROXYSQL_LISTEN_LEN 1024
#define MIN_THREADS_FOR_MAINTENANCE 8
extern Query_Processor *GloQPro;
extern MySQL_Authentication *GloMyAuth;
extern MySQL_Threads_Handler *GloMTH;
extern MySQL_Monitor *GloMyMon;
extern MySQL_Logger *GloMyLogger;
const CHARSET_INFO * proxysql_find_charset_nr(unsigned int nr) {
const CHARSET_INFO * c = compiled_charsets;
do {
if (c->nr == nr) {
return c;
}
++c;
} while (c[0].nr != 0);
return NULL;
}
CHARSET_INFO * proxysql_find_charset_name(const char *name) {
CHARSET_INFO *c = (CHARSET_INFO *)compiled_charsets;
do {
if (!strcasecmp(c->csname, name)) {
return c;
}
++c;
} while (c[0].nr != 0);
return NULL;
}
CHARSET_INFO * proxysql_find_charset_collate_names(const char *csname, const char *collatename) {
CHARSET_INFO *c = (CHARSET_INFO *)compiled_charsets;
do {
if (!strcasecmp(c->csname, csname) && !strcasecmp(c->name, collatename)) {
return c;
}
++c;
} while (c[0].nr != 0);
return NULL;
}
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#ifdef DEBUG
#define DEB "_DEBUG"
#else
#define DEB ""
#endif /* DEBUG */
#define MYSQL_THREAD_VERSION "0.2.0902" DEB
#define DEFAULT_NUM_THREADS 4
#define DEFAULT_STACK_SIZE 1024*1024
#define SESSIONS_FOR_CONNECTIONS_HANDLER 64
__thread unsigned int __thread_MySQL_Thread_Variables_version;
volatile static unsigned int __global_MySQL_Thread_Variables_version;
MySQL_Listeners_Manager::MySQL_Listeners_Manager() {
ifaces=new PtrArray();
}
MySQL_Listeners_Manager::~MySQL_Listeners_Manager() {
while (ifaces->len) {
iface_info *ifi=(iface_info *)ifaces->remove_index_fast(0);
shutdown(ifi->fd,SHUT_RDWR);
close(ifi->fd);
if (ifi->port==0) {
unlink(ifi->address);
}
delete ifi;
}
delete ifaces;
ifaces=NULL;
}
int MySQL_Listeners_Manager::add(const char *iface, unsigned int num_threads, int **perthrsocks) {
for (unsigned int i=0; i<ifaces->len; i++) {
iface_info *ifi=(iface_info *)ifaces->index(i);
if (strcmp(ifi->iface,iface)==0) {
return -1;
}
}
char *address=NULL; char *port=NULL;
int s = -1;
char *h = NULL;
if (*(char *)iface == '[') {
char *p = strchr((char *)iface, ']');
if (p == NULL) {
proxy_error("Invalid IPv6 address: %s\n", iface);
return -1;
}
h = (char *)++iface; // remove first '['
*p = '\0';
iface = p++; // remove last ']'
address = h;
port = ++p; // remove ':'
} else {
c_split_2(iface, ":" , &address, &port);
}
#ifdef SO_REUSEPORT
if (GloVars.global.reuseport==false) {
s = ( atoi(port) ? listen_on_port(address, atoi(port), PROXYSQL_LISTEN_LEN) : listen_on_unix(address, PROXYSQL_LISTEN_LEN));
} else {
if (atoi(port)==0) {
s = listen_on_unix(address, PROXYSQL_LISTEN_LEN);
} else {
// for TCP we will use SO_REUSEPORT
int *l_perthrsocks=(int *)malloc(sizeof(int)*num_threads);
unsigned int i;
for (i=0;i<num_threads;i++) {
s=listen_on_port(address, atoi(port), PROXYSQL_LISTEN_LEN, true);
ioctl_FIONBIO(s,1);
iface_info *ifi=new iface_info((char *)iface, address, atoi(port), s);
ifaces->add(ifi);
l_perthrsocks[i]=s;
}
*perthrsocks=l_perthrsocks;
s=0;
}
}
#else
s = ( atoi(port) ? listen_on_port(address, atoi(port), PROXYSQL_LISTEN_LEN) : listen_on_unix(address, PROXYSQL_LISTEN_LEN));
#endif /* SO_REUSEPORT */
if (s==-1) return s;
if (s>0) {
ioctl_FIONBIO(s,1);
iface_info *ifi=new iface_info((char *)iface, address, atoi(port), s);
ifaces->add(ifi);
}
return s;
}
int MySQL_Listeners_Manager::find_idx(const char *iface) {
for (unsigned int i=0; i<ifaces->len; i++) {
iface_info *ifi=(iface_info *)ifaces->index(i);
if (strcmp(ifi->iface,iface)==0) {
return i;
}
}
return -1;
}
iface_info * MySQL_Listeners_Manager::find_iface_from_fd(int fd) {
for (unsigned int i=0; i<ifaces->len; i++) {
iface_info *ifi=(iface_info *)ifaces->index(i);
if (ifi->fd==fd) {
return ifi;
}
}
return NULL;
}
int MySQL_Listeners_Manager::find_idx(const char *address, int port) {
for (unsigned int i=0; i<ifaces->len; i++) {
iface_info *ifi=(iface_info *)ifaces->index(i);
if (strcmp(ifi->address,address)==0 && ifi->port==port) {
return i;
}
}
return -1;
}
int MySQL_Listeners_Manager::get_fd(unsigned int idx) {
iface_info *ifi=(iface_info *)ifaces->index(idx);
return ifi->fd;
}
void MySQL_Listeners_Manager::del(unsigned int idx) {
iface_info *ifi=(iface_info *)ifaces->remove_index_fast(idx);
if (ifi->port==0) {
unlink(ifi->address);
}
delete ifi;
}
static char * mysql_thread_variables_names[]= {
(char *)"shun_on_failures",
(char *)"shun_recovery_time_sec",
(char *)"query_retries_on_failure",
(char *)"client_multi_statements",
(char *)"connect_retries_on_failure",
(char *)"connect_retries_delay",
(char *)"connection_delay_multiplex_ms",
(char *)"connection_max_age_ms",
(char *)"connect_timeout_server",
(char *)"connect_timeout_server_max",
(char *)"eventslog_filename",
(char *)"eventslog_filesize",
(char *)"default_charset",
(char *)"free_connections_pct",
#ifdef IDLE_THREADS
(char *)"session_idle_ms",
#endif // IDLE_THREADS
(char *)"have_compress",
(char *)"client_found_rows",
(char *)"interfaces",
(char *)"monitor_enabled",
(char *)"monitor_history",
(char *)"monitor_connect_interval",
(char *)"monitor_connect_timeout",
(char *)"monitor_ping_interval",
(char *)"monitor_ping_max_failures",
(char *)"monitor_ping_timeout",
(char *)"monitor_read_only_interval",
(char *)"monitor_read_only_timeout",
(char *)"monitor_read_only_max_timeout_count",
(char *)"monitor_replication_lag_interval",
(char *)"monitor_replication_lag_timeout",
(char *)"monitor_groupreplication_healthcheck_interval",
(char *)"monitor_groupreplication_healthcheck_timeout",
(char *)"monitor_username",
(char *)"monitor_password",
(char *)"monitor_replication_lag_use_percona_heartbeat",
(char *)"monitor_query_interval",
(char *)"monitor_query_timeout",
(char *)"monitor_slave_lag_when_null",
(char *)"monitor_wait_timeout",
(char *)"monitor_writer_is_also_reader",
(char *)"max_allowed_packet",
(char *)"throttle_connections_per_sec_to_hostgroup",
(char *)"max_transaction_time",
(char *)"multiplexing",
(char *)"forward_autocommit",
(char *)"enforce_autocommit_on_reads",
(char *)"autocommit_false_not_reusable",
(char *)"autocommit_false_is_transaction",
(char *)"verbose_query_error",
(char *)"hostgroup_manager_verbose",
(char *)"threshold_query_length",
(char *)"threshold_resultset_size",
(char *)"query_digests_max_digest_length",
(char *)"query_digests_max_query_length",
(char *)"wait_timeout",
(char *)"throttle_max_bytes_per_second_to_client",
(char *)"throttle_ratio_server_to_client",
(char *)"max_connections",
(char *)"max_stmts_per_connection",
(char *)"max_stmts_cache",
(char *)"mirror_max_concurrency",
(char *)"mirror_max_queue_length",
(char *)"default_max_latency_ms",
(char *)"default_query_delay",
(char *)"default_query_timeout",
(char *)"query_processor_iterations",
(char *)"query_processor_regex",
(char *)"auto_increment_delay_multiplex",
(char *)"long_query_time",
(char *)"query_cache_size_MB",
(char *)"ping_interval_server_msec",
(char *)"ping_timeout_server",
(char *)"default_schema",
(char *)"poll_timeout",
(char *)"poll_timeout_on_failure",
(char *)"server_capabilities",
(char *)"server_version",
(char *)"kill_backend_connection_when_disconnect",
(char *)"sessions_sort",
#ifdef IDLE_THREADS
(char *)"session_idle_show_processlist",
#endif // IDLE_THREADS
(char *)"commands_stats",
(char *)"query_digests",
(char *)"query_digests_lowercase",
(char *)"servers_stats",
(char *)"default_reconnect",
#ifdef DEBUG
(char *)"session_debug",
#endif /* DEBUG */
(char *)"ssl_p2s_ca",
(char *)"ssl_p2s_cert",
(char *)"ssl_p2s_key",
(char *)"ssl_p2s_cipher",
(char *)"stacksize",
(char *)"threads",
(char *)"init_connect",
(char *)"default_sql_mode",
(char *)"default_time_zone",
(char *)"connpoll_reset_queue_length",
(char *)"stats_time_backend_query",
(char *)"stats_time_query_processor",
NULL
};
MySQL_Threads_Handler::MySQL_Threads_Handler() {
#ifdef DEBUG
if (glovars.has_debug==false) {
#else
if (glovars.has_debug==true) {
#endif /* DEBUG */
perror("Incompatible debagging version");
exit(EXIT_FAILURE);
}
num_threads=0;
mysql_threads=NULL;
#ifdef IDLE_THREADS
mysql_threads_idles=NULL;
#endif // IDLE_THREADS
stacksize=0;
shutdown_=0;
pthread_rwlock_init(&rwlock,NULL);
pthread_attr_init(&attr);
variables.shun_on_failures=5;
variables.shun_recovery_time_sec=10;
variables.query_retries_on_failure=1;
variables.client_multi_statements=true;
variables.connect_retries_on_failure=10;
variables.connection_delay_multiplex_ms=0;
variables.connection_max_age_ms=0;
variables.connect_timeout_server=1000;
variables.connect_timeout_server_max=10000;
variables.free_connections_pct=10;
variables.connect_retries_delay=1;
variables.monitor_enabled=true;
variables.monitor_history=600000;
variables.monitor_connect_interval=120000;
variables.monitor_connect_timeout=600;
variables.monitor_ping_interval=8000;
variables.monitor_ping_max_failures=3;
variables.monitor_ping_timeout=1000;
variables.monitor_read_only_interval=1000;
variables.monitor_read_only_timeout=800;
variables.monitor_read_only_max_timeout_count=3;
variables.monitor_replication_lag_interval=10000;
variables.monitor_replication_lag_timeout=1000;
variables.monitor_groupreplication_healthcheck_interval=5000;
variables.monitor_groupreplication_healthcheck_timeout=800;
variables.monitor_query_interval=60000;
variables.monitor_query_timeout=100;
variables.monitor_slave_lag_when_null=60;
variables.monitor_username=strdup((char *)"monitor");
variables.monitor_password=strdup((char *)"monitor");
variables.monitor_replication_lag_use_percona_heartbeat=strdup((char *)"");
variables.monitor_wait_timeout=true;
variables.monitor_writer_is_also_reader=true;
variables.max_allowed_packet=4*1024*1024;
variables.throttle_connections_per_sec_to_hostgroup=1000000;
variables.max_transaction_time=4*3600*1000;
variables.hostgroup_manager_verbose=1;
variables.threshold_query_length=512*1024;
variables.threshold_resultset_size=4*1024*1024;
variables.query_digests_max_digest_length=2*1024;
variables.query_digests_max_query_length=65000; // legacy default
variables.wait_timeout=8*3600*1000;
variables.throttle_max_bytes_per_second_to_client=2147483647;
variables.throttle_ratio_server_to_client=0;
variables.max_connections=10*1000;
variables.max_stmts_per_connection=20;
variables.max_stmts_cache=10000;
variables.mirror_max_concurrency=16;
variables.mirror_max_queue_length=32000;
variables.default_max_latency_ms=1*1000; // by default, the maximum allowed latency for a host is 1000ms
variables.default_query_delay=0;
variables.default_query_timeout=24*3600*1000;
variables.query_processor_iterations=0;
variables.query_processor_regex=1;
variables.auto_increment_delay_multiplex=5;
variables.long_query_time=1000;
variables.query_cache_size_MB=256;
variables.init_connect=NULL;
variables.default_sql_mode=strdup((char *)MYSQL_DEFAULT_SQL_MODE);
variables.default_time_zone=strdup((char *)MYSQL_DEFAULT_TIME_ZONE);
variables.ping_interval_server_msec=10000;
variables.ping_timeout_server=200;
variables.default_schema=strdup((char *)"information_schema");
variables.default_charset=33;
variables.interfaces=strdup((char *)"");
variables.server_version=strdup((char *)"5.5.30");
variables.eventslog_filename=strdup((char *)""); // proxysql-mysql-eventslog is recommended
variables.eventslog_filesize=100*1024*1024;
variables.server_capabilities=CLIENT_FOUND_ROWS | CLIENT_PROTOCOL_41 | CLIENT_IGNORE_SIGPIPE | CLIENT_TRANSACTIONS | CLIENT_SECURE_CONNECTION | CLIENT_CONNECT_WITH_DB;
variables.poll_timeout=2000;
variables.poll_timeout_on_failure=100;
variables.have_compress=true;
variables.client_found_rows=true;
variables.commands_stats=true;
variables.multiplexing=true;
variables.forward_autocommit=false;
variables.enforce_autocommit_on_reads=false;
variables.autocommit_false_not_reusable=false;
variables.autocommit_false_is_transaction=false;
variables.verbose_query_error = false;
variables.query_digests=true;
variables.query_digests_lowercase=false;
variables.connpoll_reset_queue_length = 50;
variables.stats_time_backend_query=false;
variables.stats_time_query_processor=false;
variables.kill_backend_connection_when_disconnect=true;
variables.sessions_sort=true;
#ifdef IDLE_THREADS
variables.session_idle_ms=1000;
variables.session_idle_show_processlist=true;
#endif // IDLE_THREADS
variables.servers_stats=true;
variables.default_reconnect=true;
variables.ssl_p2s_ca=NULL;
variables.ssl_p2s_cert=NULL;
variables.ssl_p2s_key=NULL;
variables.ssl_p2s_cipher=NULL;
#ifdef DEBUG
variables.session_debug=true;
#endif /*debug */
// status varuables
status_variables.mirror_sessions_current=0;
__global_MySQL_Thread_Variables_version=1;
MLM = new MySQL_Listeners_Manager();
}
unsigned int MySQL_Threads_Handler::get_global_version() {
return __sync_fetch_and_add(&__global_MySQL_Thread_Variables_version,0);
}
int MySQL_Threads_Handler::listener_add(const char *address, int port) {
char *s=(char *)malloc(strlen(address)+32);
sprintf(s,"%s:%d",address,port);
int ret=listener_add((const char *)s);
free(s);
return ret;
}
int MySQL_Threads_Handler::listener_add(const char *iface) {
int rc;
int *perthrsocks=NULL;;
rc=MLM->add(iface, num_threads, &perthrsocks);
if (rc>-1) {
unsigned int i;
if (perthrsocks==NULL) {
for (i=0;i<num_threads;i++) {
MySQL_Thread *thr=(MySQL_Thread *)mysql_threads[i].worker;
while(!__sync_bool_compare_and_swap(&thr->mypolls.pending_listener_add,0,rc)) {
usleep(10); // pause a bit
}
}
} else {
for (i=0;i<num_threads;i++) {
MySQL_Thread *thr=(MySQL_Thread *)mysql_threads[i].worker;
while(!__sync_bool_compare_and_swap(&thr->mypolls.pending_listener_add,0,perthrsocks[i])) {
usleep(10); // pause a bit
}
}
free(perthrsocks);
}
}
return rc;
}
int MySQL_Threads_Handler::listener_del(const char *iface) {
int idx;
while ((idx=MLM->find_idx(iface)) >= 0) {
unsigned int i;
int fd=MLM->get_fd(idx);
for (i=0;i<num_threads;i++) {
MySQL_Thread *thr=(MySQL_Thread *)mysql_threads[i].worker;
while(!__sync_bool_compare_and_swap(&thr->mypolls.pending_listener_del,0,fd));
}
for (i=0;i<num_threads;i++) {
MySQL_Thread *thr=(MySQL_Thread *)mysql_threads[i].worker;
while(__sync_fetch_and_add(&thr->mypolls.pending_listener_del,0));
}
MLM->del(idx);
shutdown(fd,SHUT_RDWR);
close(fd);
}
return 0;
}
void MySQL_Threads_Handler::wrlock() {
pthread_rwlock_wrlock(&rwlock);
}
void MySQL_Threads_Handler::wrunlock() {
pthread_rwlock_unlock(&rwlock);
}
void MySQL_Threads_Handler::commit() {
__sync_add_and_fetch(&__global_MySQL_Thread_Variables_version,1);
proxy_debug(PROXY_DEBUG_MYSQL_SERVER, 1, "Increasing version number to %d - all threads will notice this and refresh their variables\n", __global_MySQL_Thread_Variables_version);
}
char * MySQL_Threads_Handler::get_variable_string(char *name) {
if (!strncasecmp(name,"monitor_",8)) {
if (!strcasecmp(name,"monitor_username")) return strdup(variables.monitor_username);
if (!strcasecmp(name,"monitor_password")) return strdup(variables.monitor_password);
if (!strcasecmp(name,"monitor_replication_lag_use_percona_heartbeat")) return strdup(variables.monitor_replication_lag_use_percona_heartbeat);
}
if (!strncasecmp(name,"ssl_",4)) {
if (!strcasecmp(name,"ssl_p2s_ca")) {
if (variables.ssl_p2s_ca==NULL || strlen(variables.ssl_p2s_ca)==0) {
return NULL;
} else {
return strdup(variables.ssl_p2s_ca);
}
}
if (!strcasecmp(name,"ssl_p2s_cert")) {
if (variables.ssl_p2s_cert==NULL || strlen(variables.ssl_p2s_cert)==0) {
return NULL;
} else {
return strdup(variables.ssl_p2s_cert);
}
}
if (!strcasecmp(name,"ssl_p2s_key")) {
if (variables.ssl_p2s_key==NULL || strlen(variables.ssl_p2s_key)==0) {
return NULL;
} else {
return strdup(variables.ssl_p2s_key);
}
}
if (!strcasecmp(name,"ssl_p2s_cipher")) {
if (variables.ssl_p2s_cipher==NULL || strlen(variables.ssl_p2s_cipher)==0) {
return NULL;
} else {
return strdup(variables.ssl_p2s_cipher);
}
}
}
if (!strcasecmp(name,"init_connect")) {
if (variables.init_connect==NULL || strlen(variables.init_connect)==0) {
return NULL;
} else {
return strdup(variables.init_connect);
}
}
if (!strcasecmp(name,"default_sql_mode")) {
if (variables.default_sql_mode==NULL) {
variables.default_sql_mode=strdup((char *)MYSQL_DEFAULT_SQL_MODE);
}
return strdup(variables.default_sql_mode);
}
if (!strcasecmp(name,"default_time_zone")) {
if (variables.default_time_zone==NULL) {
variables.default_time_zone=strdup((char *)MYSQL_DEFAULT_TIME_ZONE);
}
return strdup(variables.default_time_zone);
}
if (!strcasecmp(name,"server_version")) return strdup(variables.server_version);
if (!strcasecmp(name,"eventslog_filename")) return strdup(variables.eventslog_filename);
if (!strcasecmp(name,"default_schema")) return strdup(variables.default_schema);
if (!strcasecmp(name,"interfaces")) return strdup(variables.interfaces);
proxy_error("Not existing variable: %s\n", name); assert(0);
return NULL;
}
uint16_t MySQL_Threads_Handler::get_variable_uint16(char *name) {
if (!strcasecmp(name,"server_capabilities")) return variables.server_capabilities;
proxy_error("Not existing variable: %s\n", name); assert(0);
return 0;
}
uint8_t MySQL_Threads_Handler::get_variable_uint8(char *name) {
if (!strcasecmp(name,"default_charset")) return variables.default_charset;
proxy_error("Not existing variable: %s\n", name); assert(0);
return 0;
}
int MySQL_Threads_Handler::get_variable_int(char *name) {
#ifdef DEBUG
if (!strcasecmp(name,"session_debug")) return (int)variables.session_debug;
#endif /* DEBUG */
if (!strncasecmp(name,"monitor_",8)) {
if (!strcasecmp(name,"monitor_enabled")) return (int)variables.monitor_enabled;
if (!strcasecmp(name,"monitor_history")) return (int)variables.monitor_history;
if (!strcasecmp(name,"monitor_connect_interval")) return (int)variables.monitor_connect_interval;
if (!strcasecmp(name,"monitor_connect_timeout")) return (int)variables.monitor_connect_timeout;
if (!strcasecmp(name,"monitor_ping_interval")) return (int)variables.monitor_ping_interval;
if (!strcasecmp(name,"monitor_ping_max_failures")) return (int)variables.monitor_ping_max_failures;
if (!strcasecmp(name,"monitor_ping_timeout")) return (int)variables.monitor_ping_timeout;
if (!strcasecmp(name,"monitor_read_only_interval")) return (int)variables.monitor_read_only_interval;
if (!strcasecmp(name,"monitor_read_only_timeout")) return (int)variables.monitor_read_only_timeout;
if (!strcasecmp(name,"monitor_read_only_max_timeout_count")) return (int)variables.monitor_read_only_max_timeout_count;
if (!strcasecmp(name,"monitor_replication_lag_interval")) return (int)variables.monitor_replication_lag_interval;
if (!strcasecmp(name,"monitor_replication_lag_timeout")) return (int)variables.monitor_replication_lag_timeout;
if (!strcasecmp(name,"monitor_groupreplication_healthcheck_interval")) return (int)variables.monitor_groupreplication_healthcheck_interval;
if (!strcasecmp(name,"monitor_groupreplication_healthcheck_timeout")) return (int)variables.monitor_groupreplication_healthcheck_timeout;
if (!strcasecmp(name,"monitor_query_interval")) return (int)variables.monitor_query_interval;
if (!strcasecmp(name,"monitor_query_timeout")) return (int)variables.monitor_query_timeout;
if (!strcasecmp(name,"monitor_slave_lag_when_null")) return (int)variables.monitor_slave_lag_when_null;
if (!strcasecmp(name,"monitor_wait_timeout")) return (int)variables.monitor_wait_timeout;
if (!strcasecmp(name,"monitor_writer_is_also_reader")) return (int)variables.monitor_writer_is_also_reader;
}
if (!strcasecmp(name,"shun_on_failures")) return (int)variables.shun_on_failures;
if (!strcasecmp(name,"shun_recovery_time_sec")) return (int)variables.shun_recovery_time_sec;
if (!strcasecmp(name,"query_retries_on_failure")) return (int)variables.query_retries_on_failure;
if (!strcasecmp(name,"connect_retries_on_failure")) return (int)variables.connect_retries_on_failure;
if (!strcasecmp(name,"connection_delay_multiplex_ms")) return (int)variables.connection_delay_multiplex_ms;
if (!strcasecmp(name,"connection_max_age_ms")) return (int)variables.connection_max_age_ms;
if (!strcasecmp(name,"connect_timeout_server")) return (int)variables.connect_timeout_server;
if (!strcasecmp(name,"connect_timeout_server_max")) return (int)variables.connect_timeout_server_max;
if (!strcasecmp(name,"connect_retries_delay")) return (int)variables.connect_retries_delay;
if (!strcasecmp(name,"eventslog_filesize")) return (int)variables.eventslog_filesize;
if (!strcasecmp(name,"max_allowed_packet")) return (int)variables.max_allowed_packet;
if (!strcasecmp(name,"throttle_connections_per_sec_to_hostgroup")) return (int)variables.throttle_connections_per_sec_to_hostgroup;
if (!strcasecmp(name,"max_transaction_time")) return (int)variables.max_transaction_time;
if (!strcasecmp(name,"hostgroup_manager_verbose")) return (int)variables.hostgroup_manager_verbose;
if (!strcasecmp(name,"threshold_query_length")) return (int)variables.threshold_query_length;
if (!strcasecmp(name,"threshold_resultset_size")) return (int)variables.threshold_resultset_size;
if (!strcasecmp(name,"query_digests_max_digest_length")) return (int)variables.query_digests_max_digest_length;
if (!strcasecmp(name,"query_digests_max_query_length")) return (int)variables.query_digests_max_query_length;
if (!strcasecmp(name,"wait_timeout")) return (int)variables.wait_timeout;
if (!strcasecmp(name,"throttle_max_bytes_per_second_to_client")) return (int)variables.throttle_max_bytes_per_second_to_client;
if (!strcasecmp(name,"throttle_ratio_server_to_client")) return (int)variables.throttle_ratio_server_to_client;
if (!strcasecmp(name,"max_connections")) return (int)variables.max_connections;
if (!strcasecmp(name,"max_stmts_per_connection")) return (int)variables.max_stmts_per_connection;
if (!strcasecmp(name,"max_stmts_cache")) return (int)variables.max_stmts_cache;
if (!strcasecmp(name,"mirror_max_concurrency")) return (int)variables.mirror_max_concurrency;
if (!strcasecmp(name,"mirror_max_queue_length")) return (int)variables.mirror_max_queue_length;
if (!strcasecmp(name,"default_query_delay")) return (int)variables.default_query_delay;
if (!strcasecmp(name,"default_query_timeout")) return (int)variables.default_query_timeout;
if (!strcasecmp(name,"query_processor_iterations")) return (int)variables.query_processor_iterations;
if (!strcasecmp(name,"query_processor_regex")) return (int)variables.query_processor_regex;
if (!strcasecmp(name,"auto_increment_delay_multiplex")) return (int)variables.auto_increment_delay_multiplex;
if (!strcasecmp(name,"default_max_latency_ms")) return (int)variables.default_max_latency_ms;
if (!strcasecmp(name,"long_query_time")) return (int)variables.long_query_time;
if (!strcasecmp(name,"query_cache_size_MB")) return (int)variables.query_cache_size_MB;
if (!strcasecmp(name,"free_connections_pct")) return (int)variables.free_connections_pct;
#ifdef IDLE_THREADS
if (!strcasecmp(name,"session_idle_ms")) return (int)variables.session_idle_ms;
#endif // IDLE_THREADS
if (!strcasecmp(name,"ping_interval_server_msec")) return (int)variables.ping_interval_server_msec;
if (!strcasecmp(name,"ping_timeout_server")) return (int)variables.ping_timeout_server;
if (!strcasecmp(name,"have_compress")) return (int)variables.have_compress;
if (!strcasecmp(name,"client_found_rows")) return (int)variables.client_found_rows;
if (!strcasecmp(name,"multiplexing")) return (int)variables.multiplexing;
if (!strcasecmp(name,"hostgroup_manager_verbose")) return (int)variables.hostgroup_manager_verbose;
if (!strcasecmp(name,"forward_autocommit")) return (int)variables.forward_autocommit;
if (!strcasecmp(name,"enforce_autocommit_on_reads")) return (int)variables.enforce_autocommit_on_reads;
if (!strcasecmp(name,"autocommit_false_not_reusable")) return (int)variables.autocommit_false_not_reusable;
if (!strcasecmp(name,"autocommit_false_is_transaction")) return (int)variables.autocommit_false_is_transaction;
if (!strcasecmp(name,"verbose_query_error")) return (int)variables.verbose_query_error;
if (!strcasecmp(name,"commands_stats")) return (int)variables.commands_stats;
if (!strcasecmp(name,"query_digests")) return (int)variables.query_digests;
if (!strcasecmp(name,"query_digests_lowercase")) return (int)variables.query_digests_lowercase;
if (!strcasecmp(name,"connpoll_reset_queue_length")) return (int)variables.connpoll_reset_queue_length;
if (!strcasecmp(name,"stats_time_backend_query")) return (int)variables.stats_time_backend_query;
if (!strcasecmp(name,"stats_time_query_processor")) return (int)variables.stats_time_query_processor;
if (!strcasecmp(name,"kill_backend_connection_when_disconnect")) return (int)variables.kill_backend_connection_when_disconnect;
if (!strcasecmp(name,"sessions_sort")) return (int)variables.sessions_sort;
#ifdef IDLE_THREADS
if (!strcasecmp(name,"session_idle_show_processlist")) return (int)variables.session_idle_show_processlist;
#endif // IDLE_THREADS
if (!strcasecmp(name,"servers_stats")) return (int)variables.servers_stats;
if (!strcasecmp(name,"default_reconnect")) return (int)variables.default_reconnect;
if (!strcasecmp(name,"poll_timeout")) return variables.poll_timeout;
if (!strcasecmp(name,"poll_timeout_on_failure")) return variables.poll_timeout_on_failure;
if (!strcasecmp(name,"stacksize")) return ( stacksize ? stacksize : DEFAULT_STACK_SIZE);
if (!strcasecmp(name,"client_multi_statements")) return (int)variables.client_multi_statements;
proxy_error("Not existing variable: %s\n", name); assert(0);
return 0;
}
char * MySQL_Threads_Handler::get_variable(char *name) { // this is the public function, accessible from admin
#define INTBUFSIZE 4096
char intbuf[INTBUFSIZE];
if (!strcasecmp(name,"init_connect")) {
if (variables.init_connect==NULL || strlen(variables.init_connect)==0) {
return NULL;
} else {
return strdup(variables.init_connect);
}
}
if (!strcasecmp(name,"default_sql_mode")) {
if (variables.default_sql_mode==NULL) {
variables.default_sql_mode=strdup((char *)MYSQL_DEFAULT_SQL_MODE);
}
return strdup(variables.default_sql_mode);
}
if (!strcasecmp(name,"default_time_zone")) {
if (variables.default_time_zone==NULL) {
variables.default_time_zone=strdup((char *)MYSQL_DEFAULT_TIME_ZONE);
}
return strdup(variables.default_time_zone);
}
if (!strcasecmp(name,"server_version")) return strdup(variables.server_version);
if (!strcasecmp(name,"eventslog_filename")) return strdup(variables.eventslog_filename);
if (!strcasecmp(name,"default_schema")) return strdup(variables.default_schema);
if (!strcasecmp(name,"interfaces")) return strdup(variables.interfaces);
if (!strcasecmp(name,"server_capabilities")) {
// FIXME : make it human readable
sprintf(intbuf,"%d",variables.server_capabilities);
return strdup(intbuf);
}
// SSL variables
if (!strncasecmp(name,"ssl_",4)) {
if (!strcasecmp(name,"ssl_p2s_ca")) {
if (variables.ssl_p2s_ca==NULL || strlen(variables.ssl_p2s_ca)==0) {
return NULL;
} else {
return strdup(variables.ssl_p2s_ca);
}
}
if (!strcasecmp(name,"ssl_p2s_cert")) {
if (variables.ssl_p2s_cert==NULL || strlen(variables.ssl_p2s_cert)==0) {
return NULL;
} else {
return strdup(variables.ssl_p2s_cert);
}
}
if (!strcasecmp(name,"ssl_p2s_key")) {
if (variables.ssl_p2s_key==NULL || strlen(variables.ssl_p2s_key)==0) {
return NULL;
} else {
return strdup(variables.ssl_p2s_key);
}
}
if (!strcasecmp(name,"ssl_p2s_cipher")) {
if (variables.ssl_p2s_cipher==NULL || strlen(variables.ssl_p2s_cipher)==0) {
return NULL;
} else {
return strdup(variables.ssl_p2s_cipher);
}
}
}
// monitor variables
if (!strncasecmp(name,"monitor_",8)) {
if (!strcasecmp(name,"monitor_username")) return strdup(variables.monitor_username);
if (!strcasecmp(name,"monitor_password")) return strdup(variables.monitor_password);
if (!strcasecmp(name,"monitor_replication_lag_use_percona_heartbeat")) return strdup(variables.monitor_replication_lag_use_percona_heartbeat);
if (!strcasecmp(name,"monitor_enabled")) {
return strdup((variables.monitor_enabled ? "true" : "false"));
}
if (!strcasecmp(name,"monitor_history")) {
sprintf(intbuf,"%d",variables.monitor_history);
return strdup(intbuf);
}
if (!strcasecmp(name,"monitor_connect_interval")) {
sprintf(intbuf,"%d",variables.monitor_connect_interval);
return strdup(intbuf);
}
if (!strcasecmp(name,"monitor_connect_timeout")) {
sprintf(intbuf,"%d",variables.monitor_connect_timeout);
return strdup(intbuf);
}
if (!strcasecmp(name,"monitor_ping_interval")) {
sprintf(intbuf,"%d",variables.monitor_ping_interval);
return strdup(intbuf);
}
if (!strcasecmp(name,"monitor_ping_max_failures")) {
sprintf(intbuf,"%d",variables.monitor_ping_max_failures);
return strdup(intbuf);
}
if (!strcasecmp(name,"monitor_ping_timeout")) {
sprintf(intbuf,"%d",variables.monitor_ping_timeout);
return strdup(intbuf);
}
if (!strcasecmp(name,"monitor_read_only_interval")) {
sprintf(intbuf,"%d",variables.monitor_read_only_interval);
return strdup(intbuf);
}
if (!strcasecmp(name,"monitor_read_only_timeout")) {
sprintf(intbuf,"%d",variables.monitor_read_only_timeout);
return strdup(intbuf);
}
if (!strcasecmp(name,"monitor_read_only_max_timeout_count")) {
sprintf(intbuf,"%d",variables.monitor_read_only_max_timeout_count);
return strdup(intbuf);
}
if (!strcasecmp(name,"monitor_replication_lag_interval")) {
sprintf(intbuf,"%d",variables.monitor_replication_lag_interval);
return strdup(intbuf);
}
if (!strcasecmp(name,"monitor_replication_lag_timeout")) {
sprintf(intbuf,"%d",variables.monitor_replication_lag_timeout);
return strdup(intbuf);
}
if (!strcasecmp(name,"monitor_groupreplication_healthcheck_interval")) {
sprintf(intbuf,"%d",variables.monitor_groupreplication_healthcheck_interval);
return strdup(intbuf);
}
if (!strcasecmp(name,"monitor_groupreplication_healthcheck_timeout")) {
sprintf(intbuf,"%d",variables.monitor_groupreplication_healthcheck_timeout);
return strdup(intbuf);
}
if (!strcasecmp(name,"monitor_query_interval")) {
sprintf(intbuf,"%d",variables.monitor_query_interval);
return strdup(intbuf);
}
if (!strcasecmp(name,"monitor_query_timeout")) {
sprintf(intbuf,"%d",variables.monitor_query_timeout);
return strdup(intbuf);
}
if (!strcasecmp(name,"monitor_slave_lag_when_null")) {
sprintf(intbuf,"%d",variables.monitor_slave_lag_when_null);
return strdup(intbuf);
}
if (!strcasecmp(name,"monitor_writer_is_also_reader")) {
return strdup((variables.monitor_writer_is_also_reader ? "true" : "false"));
}
if (!strcasecmp(name,"monitor_wait_timeout")) {
return strdup((variables.monitor_wait_timeout ? "true" : "false"));
}
}
if (!strcasecmp(name,"default_charset")) {
const CHARSET_INFO *c = proxysql_find_charset_nr(variables.default_charset);
if (!c) {
proxy_error("Not existing charset number %u\n", variables.default_charset);
assert(c);
}
return strdup(c->csname);
}
if (!strcasecmp(name,"shun_on_failures")) {
sprintf(intbuf,"%d",variables.shun_on_failures);
return strdup(intbuf);
}
if (!strcasecmp(name,"client_multi_statements")) {
return strdup((variables.client_multi_statements ? "true" : "false"));
}
if (!strcasecmp(name,"connpoll_reset_queue_length")) {
sprintf(intbuf,"%d",variables.connpoll_reset_queue_length);
return strdup(intbuf);
}
if (!strcasecmp(name,"shun_recovery_time_sec")) {
sprintf(intbuf,"%d",variables.shun_recovery_time_sec);
return strdup(intbuf);
}
if (!strcasecmp(name,"query_retries_on_failure")) {
sprintf(intbuf,"%d",variables.query_retries_on_failure);
return strdup(intbuf);
}
if (!strcasecmp(name,"connect_retries_on_failure")) {
sprintf(intbuf,"%d",variables.connect_retries_on_failure);
return strdup(intbuf);
}
if (!strcasecmp(name,"connection_delay_multiplex_ms")) {
sprintf(intbuf,"%d",variables.connection_delay_multiplex_ms);
return strdup(intbuf);
}
if (!strcasecmp(name,"connection_max_age_ms")) {
sprintf(intbuf,"%d",variables.connection_max_age_ms);
return strdup(intbuf);
}
if (!strcasecmp(name,"connect_timeout_server")) {
sprintf(intbuf,"%d",variables.connect_timeout_server);
return strdup(intbuf);
}
if (!strcasecmp(name,"connect_timeout_server_max")) {
sprintf(intbuf,"%d",variables.connect_timeout_server_max);
return strdup(intbuf);
}
if (!strcasecmp(name,"free_connections_pct")) {
sprintf(intbuf,"%d",variables.free_connections_pct);
return strdup(intbuf);
}
#ifdef IDLE_THREADS
if (!strcasecmp(name,"session_idle_ms")) {
sprintf(intbuf,"%d",variables.session_idle_ms);
return strdup(intbuf);
}
#endif // IDLE_THREADS
if (!strcasecmp(name,"connect_retries_delay")) {
sprintf(intbuf,"%d",variables.connect_retries_delay);
return strdup(intbuf);
}
if (!strcasecmp(name,"eventslog_filesize")) {
sprintf(intbuf,"%d",variables.eventslog_filesize);
return strdup(intbuf);
}
if (!strcasecmp(name,"max_allowed_packet")) {
sprintf(intbuf,"%d",variables.max_allowed_packet);
return strdup(intbuf);
}
if (!strcasecmp(name,"throttle_connections_per_sec_to_hostgroup")) {
sprintf(intbuf,"%d",variables.throttle_connections_per_sec_to_hostgroup);
return strdup(intbuf);
}
if (!strcasecmp(name,"max_transaction_time")) {
sprintf(intbuf,"%d",variables.max_transaction_time);
return strdup(intbuf);
}
if (!strcasecmp(name,"hostgroup_manager_verbose")) {
sprintf(intbuf,"%d",variables.hostgroup_manager_verbose);
return strdup(intbuf);
}
if (!strcasecmp(name,"threshold_query_length")) {
sprintf(intbuf,"%d",variables.threshold_query_length);
return strdup(intbuf);
}
if (!strcasecmp(name,"threshold_resultset_size")) {
sprintf(intbuf,"%d",variables.threshold_resultset_size);
return strdup(intbuf);
}
if (!strcasecmp(name,"query_digests_max_digest_length")) {
sprintf(intbuf,"%d",variables.query_digests_max_digest_length);
return strdup(intbuf);
}
if (!strcasecmp(name,"query_digests_max_query_length")) {
sprintf(intbuf,"%d",variables.query_digests_max_query_length);
return strdup(intbuf);
}
if (!strcasecmp(name,"wait_timeout")) {
sprintf(intbuf,"%d",variables.wait_timeout);
return strdup(intbuf);
}
if (!strcasecmp(name,"throttle_max_bytes_per_second_to_client")) {
sprintf(intbuf,"%d",variables.throttle_max_bytes_per_second_to_client);
return strdup(intbuf);
}
if (!strcasecmp(name,"throttle_ratio_server_to_client")) {
sprintf(intbuf,"%d",variables.throttle_ratio_server_to_client);
return strdup(intbuf);
}
if (!strcasecmp(name,"max_connections")) {
sprintf(intbuf,"%d",variables.max_connections);
return strdup(intbuf);
}
if (!strcasecmp(name,"max_stmts_per_connection")) {
sprintf(intbuf,"%d",variables.max_stmts_per_connection);
return strdup(intbuf);
}
if (!strcasecmp(name,"max_stmts_cache")) {
sprintf(intbuf,"%d",variables.max_stmts_cache);
return strdup(intbuf);
}
if (!strcasecmp(name,"mirror_max_concurrency")) {
sprintf(intbuf,"%d",variables.mirror_max_concurrency);
return strdup(intbuf);
}
if (!strcasecmp(name,"mirror_max_queue_length")) {
sprintf(intbuf,"%d",variables.mirror_max_queue_length);
return strdup(intbuf);
}
if (!strcasecmp(name,"default_query_delay")) {
sprintf(intbuf,"%d",variables.default_query_delay);
return strdup(intbuf);
}
if (!strcasecmp(name,"default_query_timeout")) {
sprintf(intbuf,"%d",variables.default_query_timeout);
return strdup(intbuf);
}
if (!strcasecmp(name,"query_processor_iterations")) {
sprintf(intbuf,"%d",variables.query_processor_iterations);
return strdup(intbuf);
}
if (!strcasecmp(name,"query_processor_regex")) {
sprintf(intbuf,"%d",variables.query_processor_regex);
return strdup(intbuf);
}
if (!strcasecmp(name,"auto_increment_delay_multiplex")) {
sprintf(intbuf,"%d",variables.auto_increment_delay_multiplex);
return strdup(intbuf);
}
if (!strcasecmp(name,"default_max_latency_ms")) {
sprintf(intbuf,"%d",variables.default_max_latency_ms);
return strdup(intbuf);
}
if (!strcasecmp(name,"long_query_time")) {
sprintf(intbuf,"%d",variables.long_query_time);
return strdup(intbuf);
}
if (!strcasecmp(name,"query_cache_size_MB")) {
sprintf(intbuf,"%d",variables.query_cache_size_MB);
return strdup(intbuf);
}
if (!strcasecmp(name,"ping_interval_server_msec")) {
sprintf(intbuf,"%d",variables.ping_interval_server_msec);
return strdup(intbuf);
}
if (!strcasecmp(name,"ping_timeout_server")) {
sprintf(intbuf,"%d",variables.ping_timeout_server);
return strdup(intbuf);
}
if (!strcasecmp(name,"poll_timeout")) {
sprintf(intbuf,"%d",variables.poll_timeout);
return strdup(intbuf);
}
if (!strcasecmp(name,"poll_timeout_on_failure")) {
sprintf(intbuf,"%d",variables.poll_timeout_on_failure);
return strdup(intbuf);