/* Guckt ob Verbindung da und versucht aufzubauen.
* gibt 1 zurueck, wenn erfolgreich, sonst 0 */
static int pg_connect(){
if (PQstatus(connection) == CONNECTION_OK){
PQexec(connection,"SELECT 1"); /* Status neusetzen erzwingen */
}
if(PQstatus(connection) != CONNECTION_OK){
if (connection == NULL){
if(conn_string == NULL){
conn_string = malloc(sizeof(char)*512);
snprintf(conn_string, 512, "host=%s dbname=%s user=%s password=%s connect_timeout=%s", global_opts.pg_host, global_opts.pg_database, global_opts.pg_user, global_opts.pg_pass, global_opts.pg_timeout);
}
connection = PQconnectdb(conn_string); /* Connection aufbauen */
add_clean(clean_write, connection); /* Callbackfunktion zum Aufraeumen registrieren */
} else {
PQreset(connection); /* Connecion resetten */
}
if(PQstatus(connection) != CONNECTION_OK){
DEBUGOUT2("\nFehler beim Aufbau der Datenbankverbindung\n%s\n", PQerrorMessage(connection));
#ifndef NO_LOGING
snprintf(get_error_buffer(), ERR_BUFFERSIZE, "Fehler beim Aufbau der Datenbankverbindung: %s", PQerrorMessage(connection));
log_error(get_error_buffer());
#endif
return 0;
}
DEBUGOUT1("\nDatenbankverbindung erfolgreich hergestellt\n");
}
return 1;
}
/* Ein Datum in die Datenbank schreiben */
static void pg_insert(char *query){
PGresult *res;
if(pg_connect()){
res = PQexec(connection, query);
if(!res || PQresultStatus(res) != PGRES_COMMAND_OK){
DEBUGOUT2("Fehler beim INSERT: %s\n", query);
#ifndef NO_LOGING
snprintf(get_error_buffer(), ERR_BUFFERSIZE, "Fehler beim INSERT: %s", query);
log_error(get_error_buffer());
#endif
} else {
DEBUGOUT2("Query: '%s' ausgefuehrt\n", query);
}
PQclear(res);
}
}
void
_cupsRasterAddError(const char *f, /* I - Printf-style error message */
...) /* I - Additional arguments as needed */
{
_cups_raster_error_t *buf = get_error_buffer();
/* Error buffer */
va_list ap; /* Pointer to additional arguments */
char s[2048]; /* Message string */
size_t bytes; /* Bytes in message string */
va_start(ap, f);
bytes = vsnprintf(s, sizeof(s), f, ap);
va_end(ap);
if (bytes <= 0)
return;
bytes ++;
if (bytes >= sizeof(s))
return;
if (bytes > (size_t)(buf->end - buf->current))
{
/*
* Allocate more memory...
*/
char *temp; /* New buffer */
size_t size; /* Size of buffer */
size = buf->end - buf->start + 2 * bytes + 1024;
if (buf->start)
temp = realloc(buf->start, size);
else
temp = malloc(size);
if (!temp)
return;
/*
* Update pointers...
*/
buf->end = temp + size;
buf->current = temp + (buf->current - buf->start);
buf->start = temp;
}
/*
* Append the message to the end of the current string...
*/
memcpy(buf->current, s, bytes);
buf->current += bytes - 1;
}
const char * /* O - Last error */
cupsRasterErrorString(void)
{
_cups_raster_error_t *buf = get_error_buffer();
/* Error buffer */
if (buf->current == buf->start)
return (NULL);
else
return (buf->start);
}
void
_cupsRasterClearError(void)
{
_cups_raster_error_t *buf = get_error_buffer();
/* Error buffer */
buf->current = buf->start;
if (buf->start)
*(buf->start) = '\0';
}
