BOOST_CONTEXT_DECL
std::size_t pagesize()
{
static std::size_t pagesize(
static_cast< std::size_t >( system_info().dwPageSize) );
return pagesize;
}
BOOST_CONTEXT_DECL
std::size_t minimum_stacksize()
{
static std::size_t stacksize(
static_cast< std::size_t >( system_info().dwAllocationGranularity) );
return stacksize;
}
void do_reboot(USER_DATA *usr, char *argument) {
DESC_DATA *d, *d_next;
FILE *fp;
char p_buf[100];
char c_buf[100];
extern int port;
extern int control;
if (!(fp = fopen(COPYOVER_FILE, "w"))) {
send_to_user("ERROR: Could not open to save copyover.data\n\r", usr);
bbs_bug("Do_copyover: Could not open to save %s", COPYOVER_FILE);
return;
}
system_info("Rebooting, please reamin seated");
for (d = desc_list; d; d = d_next) {
USER_DATA *usr = d->user;
d_next = d->next;
if (!USR(d) || d->login > CON_LOGIN) {
write_to_desc(d->descr, "\n\r\007Sorry, we are rebooting. "
"Come back in a few minutes.\n\r", 0);
close_socket(d);
} else if (EDIT_MODE(USR(d)) != EDITOR_NONE) {
write_to_desc(d->descr, "\n\r\007Sorry, we are rebooting. "
"Come back in a few minutes.\n\r", 0);
close_socket(d);
} else {
fprintf(fp, "%d %s %s %s %s\n", d->descr, usr->pBoard->short_name,
usr->name, d->ident, d->host);
save_user(usr);
}
}
fprintf(fp, "-1\n");
fclose(fp);
fclose(fpReserve);
sprintf(p_buf, "%d", port);
sprintf(c_buf, "%d", control);
execl(EXE_FILE, "bbs", p_buf, "copyover", c_buf, (char *) NULL);
perror("Do_copyover: execl");
send_to_user("ERROR: Copyover failed!\n\r", usr);
fpReserve = fopen(NULL_FILE, "r");
}
inline
std::size_t pagesize()
{ return static_cast< std::size_t >( system_info().dwPageSize); }
/*
* This is the function called from the main polling loop.
*
* It calls command functions to get strings of data, and sends them to the server.
*
*/
int collect_and_send_metrics(int cycle) {
int retval;
char* command;
StringInfoData commands;
pgstat_report_activity(STATE_RUNNING, "Collecting metrics");
initStringInfo(&commands);
/*
* Populate first cycle command data. These are executed on the first cycle
* of a restart. The bgworker restars every N cycles, as listed at the bottom
* of the main loop in pgsampler.c.
*/
if (cycle == 0) {
command = restart_gucs();
appendStringInfoString(&commands, command);
if (strcmp(output_mode, "csv") == 0)
write_to_csv("restart_gucs", command);
pfree(command);
command = relation_info();
appendStringInfoString(&commands, command);
if (strcmp(output_mode, "csv") == 0)
write_to_csv("stat_class", command);
pfree(command);
command = database_list();
appendStringInfoString(&commands, command);
if (strcmp(output_mode, "csv") == 0)
write_to_csv("databases", command);
pfree(command);
command = column_info();
appendStringInfoString(&commands, command);
if (strcmp(output_mode, "csv") == 0)
write_to_csv("columns", command);
pfree(command);
command = index_info();
appendStringInfoString(&commands, command);
if (strcmp(output_mode, "csv") == 0)
write_to_csv("indexes", command);
pfree(command);
command = column_stats();
appendStringInfoString(&commands, command);
if (strcmp(output_mode, "csv") == 0)
write_to_csv("stat_column", command);
pfree(command);
command = db_stats();
appendStringInfoString(&commands, command);
if (strcmp(output_mode, "csv") == 0)
write_to_csv("stat_database", command);
pfree(command);
}
/* HEARTBEAT */
if (cycle % heartbeat_seconds == 0) {
command = heartbeat();
appendStringInfoString(&commands, command);
if (strcmp(output_mode, "csv") == 0)
write_to_csv("heartbeats", command);
pfree(command);
}
/* SYSTEM INFO */
if (cycle % system_seconds == 0) {
command = system_info();
appendStringInfoString(&commands, command);
if (strcmp(output_mode, "csv") == 0)
write_to_csv("stat_system", command);
pfree(command);
command = fs_info();
appendStringInfoString(&commands, command);
if (strcmp(output_mode, "csv") == 0)
write_to_csv("stat_filesystem", command);
pfree(command);
}
/* */
if (cycle % activity_seconds == 0) {
command = activity_stats();
appendStringInfoString(&commands, command);
if (strcmp(output_mode, "csv") == 0)
write_to_csv("stat_activity", command);
pfree(command);
}
if (cycle % replication_seconds == 0) {
command = replication_stats();
appendStringInfoString(&commands, command);
if (strcmp(output_mode, "csv") == 0)
write_to_csv("stat_replication", command);
pfree(command);
}
/* */
if (cycle % bgwriter_seconds == 0) {
command = bgwriter_stats();
appendStringInfoString(&commands, command);
if (strcmp(output_mode, "csv") == 0)
write_to_csv("stat_bgwriter", command);
pfree(command);
}
if (cycle % guc_seconds == 0) {
command = transient_gucs();
appendStringInfoString(&commands, command);
if (strcmp(output_mode, "csv") == 0)
write_to_csv("transient_gucs", command);
pfree(command);
}
if (cycle % statements_seconds == 0) {
command = stat_statements();
appendStringInfoString(&commands, command);
if (strcmp(output_mode, "csv") == 0)
write_to_csv("stat_statements", command);
pfree(command);
}
/* */
if (cycle % relation_seconds == 0) {
command = table_stats();
appendStringInfoString(&commands, command);
if (strcmp(output_mode, "csv") == 0)
write_to_csv("stat_table", command);
pfree(command);
command = index_stats();
appendStringInfoString(&commands, command);
if (strcmp(output_mode, "csv") == 0)
write_to_csv("stat_index", command);
pfree(command);
command = table_io_stats();
appendStringInfoString(&commands, command);
if (strcmp(output_mode, "csv") == 0)
write_to_csv("statio_user_tables", command);
pfree(command);
command = index_io_stats();
appendStringInfoString(&commands, command);
if (strcmp(output_mode, "csv") == 0)
write_to_csv("statio_user_indexes", command);
pfree(command);
command = function_stats();
appendStringInfoString(&commands, command);
if (strcmp(output_mode, "csv") == 0)
write_to_csv("stat_function", command);
pfree(command);
}
/* Send / Write metrics based on output_mode */
if (strcmp(output_mode, "network") == 0) {
pgstat_report_activity(STATE_RUNNING, "Sending metrics to antenna");
retval = send_data(commands.data);
if (retval == NO_DATA_SENT) { //close socket and retry establishing connection and sending data.
// elog(LOG, "reseting..."); //just a note to say reseting socket
if (sockfd != 0)
shutdown(sockfd, SHUT_RDWR);
sockfd = 0;
retval = send_data(commands.data); // we ignore success or failure here. drops data if fails.
}
}
return 0;
}
void copyover_recover(void) {
DESC_DATA *d;
FILE *fp;
char name[100];
char host[STRING];
char board[100];
char user[100];
int desc;
bool fOld;
log_string("Copyover: Copyover recovery initiated.");
if (!(fp = fopen(COPYOVER_FILE, "r"))) {
bbs_bug("Copyover_recover: Could not open to read %s", COPYOVER_FILE);
exit(1);
}
unlink(COPYOVER_FILE);
for (;;) {
fscanf(fp, "%d %s %s %s %s\n", &desc, board, name, user, host);
if (desc == -1)
break;
if (!write_to_desc(desc, "", 0)) {
close(desc);
continue;
}
d = new_desc();
d->descr = desc;
if (d->host)
free_string(d->host);
d->host = str_dup(host);
if (d->ident)
free_string(d->ident);
d->ident = str_dup(user);
d->next = desc_list;
desc_list = d;
d->login = CON_REBOOT_RECOVER;
fOld = load_user(d, name);
if (!fOld) {
write_to_desc(
desc,
"\n\rSomehow, your user was lost in the reboot, sorry.\n\r",
0);
close_socket(d);
} else {
if (!d->user->pBoard)
d->user->pBoard = board_lookup("lobby", FALSE);
d->user->next = user_list;
user_list = d->user;
d->login = CON_LOGIN;
USR(d)->logon = current_time;
USR(d)->pBoard = board_lookup(board, FALSE);
save_user(USR(d));
}
}
system_info("Reboot recover complete");
log_string("Copyover: Done.");
fclose(fp);
return;
}