//Set new max_user_connections parameter
void update_user_limit(char *user_name, unsigned int limit,
MODE_TYPE debug_mode) {
char buffer[_DBGOVERNOR_BUFFER_2048];
char sql_buffer[_DBGOVERNOR_BUFFER_8192];
char user_name_alloc[USERNAMEMAXLEN * 2];
MYSQL_RES *res;
struct governor_config data_cfg;
get_config_data( &data_cfg );
(*_mysql_real_escape_string)(mysql_do_command, user_name_alloc, user_name,
strlen(user_name));
snprintf(sql_buffer, _DBGOVERNOR_BUFFER_8192, QUERY_USER_CONN_LIMIT,
(int) limit, user_name_alloc);
if (db_mysql_exec_query(sql_buffer, mysql_do_command, debug_mode)) {
if (debug_mode != DEBUG_MODE) {
WRITE_LOG(NULL, 0, buffer, _DBGOVERNOR_BUFFER_2048,
"Can't execute sql request. Restriction aborted",
data_cfg.log_mode);
} else {
WRITE_LOG(NULL, 0, buffer, _DBGOVERNOR_BUFFER_2048,
"%s --- Request: %s",
data_cfg.log_mode,"Can't execute sql request. Restriction aborted",
sql_buffer);
}
}
res = (*_mysql_store_result)(mysql_do_command);
(*_mysql_free_result)(res);
flush_user_priv(debug_mode);
}
int zeromq_term(struct zeromq_pool* zpool){
int err = ERR_OK;
WRITE_FMT_LOG(LOG_DEBUG, "%p", zpool);
if ( !zpool ) return ERR_BAD_ARG;
/*free array*/
if ( zpool->sockf_array ){
for ( int i=0; i < zpool->count_max; i++ ){
free(zpool->sockf_array[i].tempbuf);
}
free(zpool->sockf_array), zpool->sockf_array = NULL;
}
/*destroy zmq context*/
if (zpool->context){
WRITE_LOG(LOG_ERR, "zmq_term trying...\n");fflush(0);
int err= zmq_term(zpool->context);
if ( err != 0 ){
err = ERR_ERROR;
WRITE_FMT_LOG(LOG_ERR, "zmq_term err %d, errno %d errtext %s\n", err, zmq_errno(), zmq_strerror(zmq_errno()));
}
else{
err= ERR_OK;
zpool->context = NULL;
WRITE_FMT_LOG(LOG_ERR, "zmq_term ok, sent %u ; recv %u bytes\n", __bytes_sent, __bytes_recv);
}
}
else{
WRITE_LOG(LOG_ERR, "context error NULL");
err = ERR_ERROR;
}
return err;
}
int MAMain() {
WRITE_LOG("MAMain() 1\n");
on_exit(exit_status_save, NULL);
// switch stdout from console to maWriteLog.
WRITE_LOG("open_maWriteLog\n");
int wlfd = open_maWriteLog();
dup2(wlfd, 1);
dup2(wlfd, 2);
close(wlfd);
WRITE_LOG("setup_filesystem\n");
setup_filesystem();
chdir("/");
WRITE_LOG("setup_stdin\n");
setup_stdin();
if(!stdin) {
printf("Error opening stdin: %i (%m)\n", errno);
exit(1);
}
printf("MAMain()\n");
install_stdmalloc_hooks();
int res = main(gArgc, gArgv);
printf("main returned. exit(%i)\n", res);
exit(res);
}
//LVE CONNECTION request
void lve_connection(char *user_name, MODE_TYPE debug_mode) {
char buffer[_DBGOVERNOR_BUFFER_2048];
char sql_buffer[_DBGOVERNOR_BUFFER_8192];
char user_name_alloc[USERNAMEMAXLEN * 2];
MYSQL_RES *res;
struct governor_config data_cfg;
get_config_data( &data_cfg );
(*_mysql_real_escape_string)(mysql_do_command, user_name_alloc, user_name,
strlen(user_name));
snprintf(sql_buffer, _DBGOVERNOR_BUFFER_8192, QUERY_LVE_USER_CONNECTION,
user_name_alloc);
if (db_mysql_exec_query(sql_buffer, mysql_do_command, debug_mode)) {
if (debug_mode != DEBUG_MODE) {
WRITE_LOG(NULL, 0, buffer, _DBGOVERNOR_BUFFER_2048,
"Can't execute sql request. LVE connection",
data_cfg.log_mode);
} else {
WRITE_LOG(NULL, 0, buffer, _DBGOVERNOR_BUFFER_2048,
"%s --- Request: %s",
data_cfg.log_mode, "Can't execute sql request. LVE connection", sql_buffer);
}
}
res = (*_mysql_store_result)(mysql_do_command);
(*_mysql_free_result)(res);
}
/* \fn Click
\brief Click link to run once, only work in Stopped Link(Trigger-outside mode).
\return bool
*/
virtual bool Click(bool isSync)
{
if (triggerInside) return false;
bool rtVal = true;
if (!isSync)
{
if (m_section.try_lock())
{
rtVal = BThread::Click();
m_section.unlock();
}
else
{
rtVal = false;
WRITE_LOG(severity_level::warning, "");
}
}
else
{
if (m_section.try_lock())
{
Task();
rtVal = true;
m_section.unlock();
}
else
{
rtVal = false;
WRITE_LOG(severity_level::warning, "");
}
}
return rtVal;
}
/* \fn Set
\brief Set running link
\param[in] char* setting as json string
\return bool
*/
virtual bool Set(char* setting, long settingLen)
{
try
{
string settingStr = setting;
stringstream stream;
stream << settingStr;
property_tree::ptree pRoot;
read_json(stream, pRoot);
if (m_section.try_lock())
{
strcpy_s(name, sizeof(name), pRoot.get<string>("name").data());
frameTimes = pRoot.get<long>("frameTimes");
frameTime = pRoot.get<long>("frameTime");
includeTaskTime = pRoot.get<bool>("includeTaskTime");
readAndUpdate = pRoot.get<int>("readAndUpdate");
readBlocked = pRoot.get<bool>("readBlocked");
writeAndClear = pRoot.get<int>("writeAndClear");
writeBlocked = pRoot.get<bool>("writeBlocked");
m_section.unlock();
}
else
{
WRITE_LOG(severity_level::warning, "");
}
}
catch (...)
{
WRITE_LOG(severity_level::error, "");
return false;
}
return true;
}
int close_sockf(struct zeromq_pool* zpool, struct sock_file_t *sockf){
WRITE_FMT_LOG(LOG_DEBUG, "%p, %p", zpool, sockf);
int err = ERR_OK;
if ( !zpool || !sockf ) return ERR_BAD_ARG;
WRITE_FMT_LOG(LOG_DEBUG, "fd=%d", sockf->fs_fd);
int zmq_sock_is_used_twice = 0;
for (int i=0; i < zpool->count_max; i++){
if ( !zpool->sockf_array[i].unused && zpool->sockf_array[i].netw_socket == sockf->netw_socket )
zmq_sock_is_used_twice++;
}
if ( zmq_sock_is_used_twice > 1 ){
if ( sockf->tempbuf ){
free(sockf->tempbuf->buf), sockf->tempbuf->buf=NULL;
free(sockf->tempbuf), sockf->tempbuf = NULL;
}
WRITE_LOG(LOG_DEBUG, "dual direction zmq socket should be closed later");
}else if( sockf->netw_socket ){
WRITE_LOG(LOG_DEBUG, "zmq socket closing...");
int err = zmq_close( sockf->netw_socket );
sockf->netw_socket = NULL;
WRITE_FMT_LOG(LOG_DEBUG, "zmq_close status err %d, errno %d, status %s\n", err, zmq_errno(), zmq_strerror(zmq_errno()));
}
if ( ERR_OK == err )
return remove_sockf_from_array_by_fd(zpool, sockf->fs_fd );
else
return err;
}
void account_analyze(gpointer * key, Account * ac, void *data) {
stats_limit_cfg cfg_buf;
stats_limit_cfg *sl = config_get_account_limit(ac->id, &cfg_buf);
int restrict_period = 0;
char tmp_buf[_DBGOVERNOR_BUFFER_8192];
struct governor_config data_cfg;
get_config_data( &data_cfg );
if(data_cfg.all_lve || !data_cfg.use_lve) return;
if (sl->mode != IGNORE_MODE) {
if (0 == ac->timeout) {
//I am not restricted, but I might be in penalty period. Restrict account if need
if (check_restrict(ac)) {
//If restricted, just exit
return;
}
}
time_t now;
time(&now);
if (ac->start_count > 0) {
//check if account need to unrestrict
if (0 != ac->timeout && ac->start_count + ac->timeout <= now) {
ac->timeout = 0;
time(&ac->start_count);
ac->info.field_restrict = NO_PERIOD;
ac->info.field_level_restrict = NORESTRICT_PARAM;
if (!check_restrict(ac))
account_unrestrict(ac);
else {
sprintf(tmp_buf, "No unrestrict yet for %s %d %d\n",
ac->id, ac->timeout, ac->start_count);
WRITE_LOG( NULL,
1,
tmp_buf,
_DBGOVERNOR_BUFFER_8192,
tmp_buf,
data_cfg.log_mode);
}
//} else if (ac->start_count + data_cfg.timeout <= now) {
} else if (((ac->start_count + data_cfg.timeout) <= now) && (!ac->timeout)) {
//Check if penalty period ended
ac->start_count = 0;
ac->restricted = 0;
ac->info.field_restrict = NO_PERIOD;
ac->info.field_level_restrict = NORESTRICT_PARAM2;
ac->timeout = 0;
sprintf(tmp_buf, "Penalty period is over %s %d %d\n", ac->id,
ac->timeout, ac->start_count);
WRITE_LOG( NULL,
1,
tmp_buf,
_DBGOVERNOR_BUFFER_8192,
tmp_buf,
data_cfg.log_mode);
}
}
}
}
void send_commands(Command * cmd, void *data) {
char buffer[_DBGOVERNOR_BUFFER_2048];
struct governor_config data_cfg;
get_config_data( &data_cfg );
if (cmd) {
switch (cmd->command) {
case FREEZE:
{
if (data_cfg.use_lve) {
if (add_user_to_list(cmd->username, data_cfg.all_lve) < 0) {
if (data_cfg.log_mode == DEBUG_MODE) {
WRITE_LOG(NULL, 0, buffer, _DBGOVERNOR_BUFFER_2048, "Can't add user to BAD list %s",
data_cfg.log_mode, cmd->username);
}
} else {
if(data_cfg.max_user_connections) {
update_user_limit_no_flush(cmd->username, (unsigned int) data_cfg.max_user_connections,
data_cfg.log_mode);
is_any_flush = 1;
}
}
} /*else
update_user_limit(cmd->username, (unsigned int) -1,
data_cfg.log_mode);
if(data_cfg.killuser==1) kill_connection(cmd->username, data_cfg.log_mode);*/
//lve_connection(cmd->username, data_cfg.log_mode);
if( data_cfg.logqueries_use == 1 ) log_user_queries( cmd->username, data_cfg.log_mode );
}
break;
case UNFREEZE:
{
if (data_cfg.use_lve) {
if (delete_user_from_list(cmd->username) < 0) {
if(data_cfg.log_mode == DEBUG_MODE) {
WRITE_LOG(NULL, 0, buffer, _DBGOVERNOR_BUFFER_2048, "Can't delete user form BAD list %s",
data_cfg.log_mode, cmd->username);
}
}
if(data_cfg.max_user_connections) {
update_user_limit_no_flush(cmd->username, (unsigned int) 0, data_cfg.log_mode);
is_any_flush = 1;
}
//kill_connection(cmd->username, data_cfg.log_mode);
} else {
if(data_cfg.max_user_connections) {
update_user_limit_no_flush(cmd->username, 0, data_cfg.log_mode);
is_any_flush = 1;
}
}
}
break;
}
}
}
int check_mysql_version(MODE_TYPE debug_mode) {
MYSQL_RES *res;
MYSQL_ROW row;
unsigned long *lengths;
char buffer[_DBGOVERNOR_BUFFER_2048], outbuffer[_DBGOVERNOR_BUFFER_2048];
struct governor_config data_cfg;
get_config_data( &data_cfg );
if (mysql_send_governor != NULL) {
if (db_mysql_exec_query(QUERY_GET_SERVER_INFO, mysql_send_governor,
debug_mode)) {
WRITE_LOG(NULL, 0, buffer, _DBGOVERNOR_BUFFER_2048,
"Get mysql vesrion request failed",
data_cfg.log_mode);
return 0;
}
res = (*_mysql_store_result)(mysql_send_governor);
row = (*_mysql_fetch_row)(res);
if (row) {
lengths = (*_mysql_fetch_lengths)(res);
db_mysql_get_string(buffer, row[0], lengths[0]);
if (strstr(buffer, "-cll-lve")) {
sprintf(outbuffer, "MySQL version correct %s", buffer);
WRITE_LOG(NULL, 0, buffer, _DBGOVERNOR_BUFFER_2048,
outbuffer,
data_cfg.log_mode);
(*_mysql_free_result)(res);
return 1;
} else {
sprintf(
outbuffer,
"Update your MySQL to CLL version from repo.cloudlinux.com. Current is %s",
buffer);
WRITE_LOG(NULL, 0, buffer, _DBGOVERNOR_BUFFER_2048,
outbuffer,
data_cfg.log_mode);
(*_mysql_free_result)(res);
return 0;
}
} else {
(*_mysql_free_result)(res);
WRITE_LOG(NULL, 0, buffer, _DBGOVERNOR_BUFFER_2048,
"Unknown mysql version",
data_cfg.log_mode);
return 0;
}
} else {
WRITE_LOG(NULL, 0, buffer, _DBGOVERNOR_BUFFER_2048,
"Connection to db is absent",
data_cfg.log_mode);
return 0;
}
}
void log_user_queries( char *user_name, MODE_TYPE debug_mode )
{
char buffer[ _DBGOVERNOR_BUFFER_8192 ];
char sql_buffer[ _DBGOVERNOR_BUFFER_8192 ];
char user_name_alloc[ USERNAMEMAXLEN * 2 ];
char file_name[ USERNAMEMAXLEN + 1 + 10 ];
unsigned long counts;
unsigned long *lengths;
MYSQL_RES *res;
MYSQL_ROW row;
FILE *log_queries;
const time_t timestamp = time( NULL );
struct governor_config data_cfg;
get_config_data( &data_cfg );
(*_mysql_real_escape_string)( mysql_do_command, user_name_alloc, user_name, strlen( user_name ) );
snprintf( sql_buffer, _DBGOVERNOR_BUFFER_8192, QUERY_GET_PROCESSLIST_INFO );
if( db_mysql_exec_query( sql_buffer, mysql_do_command, debug_mode ) )
{
WRITE_LOG( NULL, 0, buffer, _DBGOVERNOR_BUFFER_2048, "Get show processlist failed", data_cfg.log_mode );
return;
}
res = (*_mysql_store_result)( mysql_do_command );
counts = (*_mysql_num_rows)( res );
int tek_r = 0;
if( create_dir() && counts > 0 )
{
snprintf( file_name, USERNAMEMAXLEN + 1 + 10, "%s.%d", user_name, timestamp );
log_queries = fopen( file_name, "w" );
while( ( row = (*_mysql_fetch_row)( res ) ) )
{
if( row )
{
if( strcmp( row[ 1 ], user_name ) == 0 )
{
lengths = (*_mysql_fetch_lengths)( res );
db_mysql_get_string( buffer, row[ 7 ], lengths[ 7 ] );
fprintf( log_queries, "%s\n", buffer );
}
}
else
{
(*_mysql_free_result)( res );
WRITE_LOG( NULL, 0, buffer, _DBGOVERNOR_BUFFER_2048, "No queries retrieved", data_cfg.log_mode );
fclose( log_queries );
return;
}
}
fclose( log_queries );
}
(*_mysql_free_result)( res );
}
int redis_request::append_vcommand(const char *format, va_list ap) {
char *cmd = NULL;
int len = redisvFormatCommand(&cmd, format, ap);
if (len == -1) {
WRITE_LOG(LOG_FATAL, "outof memory");
return -1;
}
reqs.push_back(std::make_pair(cmd, static_cast<size_t>(len)));
WRITE_LOG(LOG_DEBUG, "append command '%s' len %d OK", cmd, len);
return 0;
}
inline scoped_helper(const std::string& val, logger& log, logger::LogLevel level = logger::logDEBUG):
mLogger(log),
mVal(val),
mLevel(level)
{
WRITE_LOG(mLogger, mLevel) << mVal << ": enter";
}
/*READ 1x struct packet_data_t {type EPACKET_SEQUENCE_REQUEST}
*READ 1x struct request_data_t
* @param dst_pid destination process should receive ranges*/
int
read_range_request( int fdr, struct request_data_t* sequence ){
int len = 0;
WRITE_FMT_LOG(LOG_DEBUG, "reading range request from %d (EPACKET_SEQUENCE_REQUEST)\n", fdr);
struct packet_data_t t;
t.type = EPACKET_UNKNOWN;
read_channel( fdr, (char*)&t, sizeof(t) );
WRITE_FMT_LOG(LOG_DEBUG, "readed packet: type=%d, size=%d, src_node=%d\n", t.type, (int)t.size, t.src_nodeid );
if ( t.type == EPACKET_SEQUENCE_REQUEST )
{
struct request_data_t *data = NULL;
for ( int j=0; j < t.size; j++ ){
data = &sequence[j];
read_channel(fdr, (char*)data, sizeof(struct request_data_t));
WRITE_FMT_LOG(LOG_DEBUG, "recv range request %d %d %d\n", data->src_nodeid, data->first_item_index, data->last_item_index );
}
}
else{
WRITE_LOG(LOG_ERR,"channel_recv_sequences_request::packet Unknown\n");
assert(0);
}
return len;
}
ssize_t write_sockf(struct sock_file_t *sockf, const char *buf, size_t size){
int err = 0;
ssize_t wrote = 0;
WRITE_FMT_LOG(LOG_DEBUG, "%p, %p, %d", sockf, buf, (int)size);
if ( !sockf || !buf || !size || size==SIZE_MAX ) return 0;
zmq_msg_t msg;
err = zmq_msg_init_size (&msg, size);
if ( err != 0 ){
wrote = 0;
WRITE_FMT_LOG(LOG_ERR, "zmq_msg_init_size err %d, errno %d, status %s\n", err, zmq_errno(), zmq_strerror(zmq_errno()));
}
else{
memcpy (zmq_msg_data (&msg), buf, size);
WRITE_FMT_LOG(LOG_DEBUG, "zmq_sending fd=%d buf %d bytes...", sockf->fs_fd, (int)size );
err = zmq_send ( sockf->netw_socket, &msg, 0);
if ( err != 0 ){
WRITE_FMT_LOG(LOG_ERR, "zmq_send err %d, errno %d, status %s\n", err, zmq_errno(), zmq_strerror(zmq_errno()));
wrote = 0; /*nothing sent*/
}
else{
wrote = size;
WRITE_LOG(LOG_DEBUG, "zmq_send ok");
}
zmq_msg_close (&msg);
}
__bytes_sent +=wrote;
return wrote;
}
inline scoped_helper(const char val[N], logger& log, logger::LogLevel level = logger::logDEBUG):
mLogger(log),
mVal(val),
mLevel(level)
{
WRITE_LOG(mLogger, mLevel) << mVal << " enter";
}
int add_sockf_copy_to_array(struct zeromq_pool* zpool, struct sock_file_t* sockf){
WRITE_FMT_LOG(LOG_DEBUG, "%p, %p", zpool, sockf);
int err = ERR_OK;
if ( !zpool || !sockf ) return ERR_BAD_ARG;
if ( !zpool->sockf_array) return ERR_BAD_ARG;
if( sockf_by_fd(zpool, sockf->fs_fd) ) return ERR_ALREADY_EXIST;
struct sock_file_t* sockf_add = NULL;
do{
/*search unused array cell*/
for (int i=0; i < zpool->count_max; i++)
if ( zpool->sockf_array[i].unused ){
sockf_add = &zpool->sockf_array[i];
break;
}
/*extend array if not found unused cell*/
if ( !sockf_add ){
zpool->count_max+=ESOCKF_ARRAY_GRANULARITY;
zpool->sockf_array = realloc(zpool->sockf_array, zpool->count_max * sizeof(struct sock_file_t));
if ( zpool->sockf_array ){
for (int i=zpool->count_max-ESOCKF_ARRAY_GRANULARITY; i < zpool->count_max; i++)
zpool->sockf_array[i].unused = 1;
}
else{
/*no memory re allocated
* This code section can't be covered by unit tests because it's system error*/
err = ERR_ERROR;
WRITE_LOG(LOG_ERR, "sockf_array realloc mem failed");
}
}
}while(!sockf_add || ERR_OK!=err);
*sockf_add = *sockf;
sockf_add->unused = 0;
return err;
}
DefaultAllocator::~DefaultAllocator()
{
if (m_allocatedCount != 0 || m_allocatedSize != 0)
{
WRITE_LOG(WARNING, GT("Memory leak detected!"));
}
}
/*READ 1x struct packet_data_t {type EPACKET_SEQUENCE_REQUEST}
*READ 1x struct request_data_t
* @param dst_pid destination process should receive ranges*/
int
read_range_request( const char *readf, struct request_data_t* sequence ){
int len = 0;
int fdr = open(readf, O_RDONLY);
WRITE_FMT_LOG(LOG_DEBUG, "reading range request from %s (EPACKET_SEQUENCE_REQUEST)", readf);
int bytes;
struct packet_data_t t;
t.type = EPACKET_UNKNOWN;
bytes=read( fdr, (char*)&t, sizeof(t) );
WRITE_FMT_LOG(LOG_DEBUG, "r packet_data_t bytes=%d", bytes);
WRITE_FMT_LOG(LOG_DEBUG, "readed packet: type=%d, size=%d, src_node=%d", t.type, (int)t.size, t.src_nodeid );
if ( t.type == EPACKET_SEQUENCE_REQUEST )
{
struct request_data_t *data = NULL;
for ( int j=0; j < t.size; j++ ){
data = &sequence[j];
bytes=read(fdr, data, sizeof(struct request_data_t));
WRITE_FMT_LOG(LOG_DEBUG, "r packet_data_t bytes=%d", bytes);
WRITE_FMT_LOG(LOG_DEBUG, "recv range request %d %d %d", data->src_nodeid, data->first_item_index, data->last_item_index );
}
}
else{
WRITE_LOG(LOG_ERR, "channel_recv_sequences_request::packet Unknown");
assert(0);
}
close(fdr);
return len;
}
int redis_connection::connect(const std::string &cfg, const timeval *tv) {
const size_t count = std::count(cfg.begin(), cfg.end(), ',') + 1;
redis.reserve(count);
std::string::size_type pos = 0;
std::string::size_type comma = cfg.find_first_of(',');
while (true) {
redis.push_back(redis_cfg());
redis_cfg &conn = redis.back();
if (NULL != tv) {
conn.timeout = *tv;
}
if (redis_cfg_parse_(&conn, &cfg[pos]) < 0 ||
redis_connect_(&conn, tv) < 0) {
reset(redis);
return -1;
}
if (comma == std::string::npos) {
break;
} else {
pos = comma + 1;
comma = cfg.find_first_of(',', pos);
}
}
WRITE_LOG(LOG_INFO, "connect %zd redis ok", redis.size());
return 0;
}
void calc_acc_stats(gpointer key, Account * ac, gpointer data) {
int i = 1;
User_stats *us = (User_stats *) g_ptr_array_index (ac->users, 0);
send_to_glib_info *internal_info = (send_to_glib_info *)data;
Stats *ptr = fifo_stats_get(us->stats, 0);
ac->current = *fifo_stats_get(us->stats, 0);
ac->short_average = us->short_average;
ac->mid_average = us->mid_average;
ac->long_average = us->long_average;
while (i < ac->users->len) {
us = (User_stats *) g_ptr_array_index (ac->users, i++);
if(ac->need_dbg){
char output_buffer[_DBGOVERNOR_BUFFER_2048];
WRITE_LOG(
NULL,
1,
output_buffer,
_DBGOVERNOR_BUFFER_2048,
" step 2-%d: proceed user stats %s, c %f, r %llu, w %llu",
internal_info->log_mode,
i, us->id?us->id:"Unk", fifo_stats_get(us->stats, 0)->cpu,
fifo_stats_get(us->stats, 0)->read,
fifo_stats_get(us->stats, 0)->write );
}
sum_stats(&ac->current, fifo_stats_get(us->stats, 0));
sum_stats(&ac->short_average, &us->short_average);
sum_stats(&ac->mid_average, &us->mid_average);
sum_stats(&ac->long_average, &us->long_average);
ptr = fifo_stats_get(us->stats, 0);
}
if(ac->need_dbg){
char output_buffer[_DBGOVERNOR_BUFFER_2048];
WRITE_LOG(
NULL,
1,
output_buffer,
_DBGOVERNOR_BUFFER_2048,
" step 3: summary, c %f, r %llu, w %llu",
internal_info->log_mode,
ac->current.cpu, ac->current.read, ac->current.write );
}
}
redis_request::redis_request(int retry_count)
: retry_count(retry_count) {
if (this->retry_count > MAX_RETRY_COUNT) {
this->retry_count = MAX_RETRY_COUNT;
WRITE_LOG(LOG_WARNING, "redis retry count %d is too big,adjust to %d",
retry_count, this->retry_count);
}
}
//Exec query, if error occurred - try again EXEC_QUERY_TRIES times
int db_mysql_exec_query(const char *query, MYSQL * mysql_internal,
MODE_TYPE debug_mode) {
char buf[_DBGOVERNOR_BUFFER_2048];
struct governor_config data_cfg;
get_config_data( &data_cfg );
//Проверим наличие соединения, а вдруг пропало
if ((*_mysql_ping)(mysql_internal)) {
//База действительно ушла прочь, что даже реконнект не помог
char *unm = NULL;
char *upwd = NULL;
if(global_user_name[0]) unm = global_user_name;
if(global_user_password[0]) upwd = global_user_password;
my_bool reconnect = 1;
//Авторекоонет - подключить
(*_mysql_options)(mysql_internal, MYSQL_OPT_RECONNECT, &reconnect);
//Еще разок соединимся
if (!(*_mysql_real_connect)(mysql_internal, global_host,
unm, upwd, global_db_name, 0,
_unix_socket_addres, 0)) {
return -1;
}
}
int execution_counters = EXEC_QUERY_TRIES;
while ((*_mysql_query)(mysql_internal, query)) {
execution_counters--;
if (execution_counters == 0) {
if (debug_mode != DEBUG_MODE) {
WRITE_LOG(NULL, 0, buf, _DBGOVERNOR_BUFFER_2048,
db_getlasterror (mysql_internal),
data_cfg.log_mode);
} else {
WRITE_LOG(NULL, 0, buf, _DBGOVERNOR_BUFFER_2048,
"%s --- Request: %s",
data_cfg.log_mode, db_getlasterror (mysql_internal), query);
}
return -1;
}
}
return 0;
}
int get_line(char* out_buffer,uint32_t out_buffer_size) {
const int start=m_pos;
while(split!=m_current_buffer[m_pos]) {
m_pos++;
}
if(m_pos<m_buffer_size) {
int ret=m_pos-start;
int len=std::min((int)out_buffer_size-1,ret);
memcpy(out_buffer,m_current_buffer+start,len);
out_buffer[len]=0;
m_pos++;
return ret;
}
int ret=std::min(out_buffer_size-1,m_pos-start);
memcpy(out_buffer,m_current_buffer+start,ret);
m_pos=0;
if(m_rem_block==0) {
out_buffer[ret]=0;
return ret==0?-1:ret;
}
if(m_buffer_size!=pread(m_fileno,m_current_buffer,m_buffer_size,m_offset)) {
WRITE_LOG(UL_LOG_FATAL,"pread failed");
return -2;
}
m_rem_block--;
m_offset+=m_buffer_size;
m_current_buffer[m_buffer_size]=split;
while(split!=m_current_buffer[m_pos]) {
m_pos++;
}
if(m_pos==m_buffer_size) {
WRITE_LOG(UL_LOG_FATAL,"The inner buffer size [%u] is shorter than current line size.",m_buffer_size);
return -2;
}
int len=std::min(m_pos,out_buffer_size-1-ret);
memcpy(out_buffer+ret,m_current_buffer,len);
ret+=len;
out_buffer[ret]=0;
m_pos++;
return ret;
}
//Save all privileges to base
void flush_user_priv(MODE_TYPE debug_mode) {
char buffer[_DBGOVERNOR_BUFFER_2048];
MYSQL_RES *res;
struct governor_config data_cfg;
get_config_data( &data_cfg );
if (db_mysql_exec_query(QUERY_FLUSH_USER_PRIV, mysql_do_command, debug_mode)) {
if (debug_mode != DEBUG_MODE) {
WRITE_LOG(NULL, 0, buffer, _DBGOVERNOR_BUFFER_2048,
"Can't flush user privs",
data_cfg.log_mode);
} else {
WRITE_LOG(NULL, 0, buffer, _DBGOVERNOR_BUFFER_2048,
"%s --- Request: %s",
data_cfg.log_mode, "Can't flush user privs", QUERY_FLUSH_USER_PRIV);
}
}
res = (*_mysql_store_result)(mysql_do_command);
(*_mysql_free_result)(res);
}
int redis_connection::normal_op(const redis_request &req, redis_response &res, int idx) {
if (idx < 0) {
return redis_op_all_(*this, req, res, &empty_check);
} else {
if (idx < static_cast<int>(redis.size())) {
return redis_op_(&redis[idx], req, res.replys, &empty_check);
} else {
WRITE_LOG(LOG_ERROR, "bad server index %d", idx);
return -1;
}
}
}
int db_connect(const char *host, const char *user_name,
const char *user_password, const char *db_name, int argc, char *argv[],
MODE_TYPE debug_mode) {
char buffer[_DBGOVERNOR_BUFFER_2048];
struct governor_config data_cfg;
get_config_data( &data_cfg );
//Обнулим глобальные переменные доступа
strcpy(global_user_name, "");
strcpy(global_host, "");
strcpy(global_user_password, "");
strcpy(global_db_name, "");
WRITE_LOG(NULL, 0, buffer, _DBGOVERNOR_BUFFER_2048,
"Open govern connection operation",
data_cfg.log_mode);
if (db_connect_common(&mysql_send_governor, host, user_name, user_password,
db_name, debug_mode, argc, argv, 1) < 0) {
WRITE_LOG(NULL, 0, buffer, _DBGOVERNOR_BUFFER_2048,
"Send governor connection error",
data_cfg.log_mode);
return -1;
} else {
WRITE_LOG(NULL, 0, buffer, _DBGOVERNOR_BUFFER_2048,
"Open write connection operation",
data_cfg.log_mode);
if (db_connect_common(&mysql_do_command, host, user_name,
user_password, db_name, debug_mode, argc, argv, 0) < 0) {
WRITE_LOG(NULL, 0, buffer, _DBGOVERNOR_BUFFER_2048,
"Write connection error",
data_cfg.log_mode);
return -1;
}
}
return 0;
}
int create(uint32_t buffer_size,FILE* in_file)
{
if(in_file==NULL) {
WRITE_LOG(UL_LOG_FATAL,"NULL file pointer");
return -1;
}
m_file=in_file;
m_offset=0;
struct stat st;
if(fstat(fileno(m_file),&st)) {
WRITE_LOG(UL_LOG_FATAL,"fstat failed");
return -1;
}
m_fileno=fileno(in_file);
m_file_size = st.st_size;
m_buffer_size=std::min(m_file_size,(long long)buffer_size);
try
{
m_current_buffer=new char[m_buffer_size+1];
}
catch(std::bad_alloc)
{
WRITE_LOG(UL_LOG_FATAL,"new buffer failed");
return -1;
}
m_rem_block=m_file_size/m_buffer_size;
m_pos=m_buffer_size;
m_current_buffer[m_pos]=split;
if(m_file_size%m_buffer_size) {
uint32_t read_byte=(m_file_size%m_buffer_size);
if(read_byte!=pread(m_fileno,m_current_buffer+m_buffer_size-read_byte,read_byte,0)) {
WRITE_LOG(UL_LOG_FATAL,"pread failed");
return -1;
}
m_offset+=read_byte;
m_pos-=read_byte;
}
return 0;
}
int zmain(int argc, char **argv){
/* argv[0] is node name
* expecting in format : "name-%d",
* format for single node without decimal id: "name" */
WRITE_FMT_LOG(LOG_DEBUG, "Source node started argv[0]=%s\n", argv[0] );
if ( argc < 2 ){
WRITE_LOG(LOG_ERR, "argv[1] is expected, items count need to be passed.\n" );
return -1;
}
set_items_count_to_sortjob( atoi(argv[1]) );
int ownnodeid= -1;
int extracted_name_len=0;
int res =0;
/*get node type names via environnment*/
char *source_node_type_text = getenv(ENV_SOURCE_NODE_NAME);
char *dest_node_type_text = getenv(ENV_DEST_NODE_NAME);
char *man_node_type_text = getenv(ENV_MAN_NODE_NAME);
assert(source_node_type_text);
assert(dest_node_type_text);
assert(man_node_type_text);
ownnodeid = ExtractNodeNameId( argv[0], &extracted_name_len );
/*nodename should be the same we got via environment and extracted from argv[0]*/
assert( !strncmp(source_node_type_text, argv[0], extracted_name_len ) );
if ( ownnodeid == -1 ) ownnodeid=1; /*node id not specified for single node by default assign nodeid=1*/
/*setup channels conf, now used static data but should be replaced by data from zrt*/
struct ChannelsConfigInterface chan_if;
SetupChannelsConfigInterface( &chan_if, ownnodeid, ESourceNode );
/***********************************************************************
Add channels configuration into config object */
res = AddAllChannelsRelatedToNodeTypeFromDir( &chan_if, IN_DIR, EChannelModeRead, EManagerNode, man_node_type_text );
assert( res == 0 );
res = AddAllChannelsRelatedToNodeTypeFromDir( &chan_if, IN_DIR, EChannelModeRead, EDestinationNode, dest_node_type_text );
assert( res == 0 );
res = AddAllChannelsRelatedToNodeTypeFromDir( &chan_if, OUT_DIR, EChannelModeWrite, EManagerNode, man_node_type_text );
assert( res == 0 );
res = AddAllChannelsRelatedToNodeTypeFromDir( &chan_if, OUT_DIR, EChannelModeWrite, EDestinationNode, dest_node_type_text );
assert( res == 0 );
/*add input channel into config*/
res = chan_if.AddChannel( &chan_if, EInputOutputNode, 1, STDIN, EChannelModeRead ) != NULL? 0: -1;
assert( res == 0 );
/*--------------*/
res = start_node(&chan_if, ownnodeid);
CloseChannels(&chan_if);
return res;
}
int GARBAGE_COLLECTION(void)
{
#ifdef FTL_DEBUG
printf("[%s] Start\n", __FUNCTION__);
#endif
int32_t victim_pbn = SELECT_VICTIM_BLOCK();
int copy_page_nb;
int32_t lbn;
if(victim_pbn == -1){
// printf("[%s] There is no victim block \n", __FUNCTION__);
return FAIL;
}
copy_page_nb = BM_GARBAGE_COLLECTION(victim_pbn);
#ifdef DEBUG_MODE9
fp_dbg9_gc = fopen("./data/p_dbg_9_gc.txt", "a");
fprintf(fp_dbg9_gc,"%d\t%d\t%d\t%lf\t%ld\n", gc_count, victim_pbn, copy_page_nb, ((double)copy_page_nb/PAGE_NB)*100, total_empty_block_nb);
fclose(fp_dbg9_gc);
#endif
gc_count++;
#ifdef MONITOR_ON
char szTemp[1024];
sprintf(szTemp, "GC ");
WRITE_LOG(szTemp);
sprintf(szTemp, "WB AMP %d", copy_page_nb);
WRITE_LOG(szTemp);
#endif
#ifdef FTL_DEBUG
printf("[%s] Complete, total empty block: %ld, %d\n", __FUNCTION__, total_empty_block_nb, copy_page_nb);
#endif
return SUCCESS;
}
