/** \brief Retrieve all server definitions from a file.
* \param filename The full path to the file which contains the server definitions.
* \param count The value of this pointer will be set to the amount of servers which could be parsed.
* \param memory The value of this pointer will be set to the total amount of allocated memory across all servers.
* \return A serverinfo array, containing all servers that could be parsed from the given file. */
static serverinfo*
read_server_definitions( char* filename, int* count, unsigned long* memory )
{
serverinfo* slist = NULL;
unsigned int lineno = 0;
int numservers = 0;
unsigned long memtotal = 0;
serverinfo server;
FILE* fi = fopen( filename, "r" );
while ( fi && !feof( fi ) )
{
char sline[128];
char* line = fgets( sline, sizeof(sline), fi );
if (line == NULL) {
break;
}
lineno++;
if ( strlen( sline ) < 2 || sline[0] == '#' )
continue;
read_server_line( sline, &server );
if ( server.memory > 0 && strlen( server.addr ) > 0 ) {
slist = (serverinfo*)realloc( slist, sizeof( serverinfo ) * ( numservers + 1 ) );
memcpy( &slist[numservers], &server, sizeof( serverinfo ) );
numservers++;
memtotal += server.memory;
} else {
// This kind of tells the parent code that "there were servers but not really"
*count = 1;
free( slist );
snprintf( k_error, sizeof(k_error), "Ketama: Server %s with memory %lu could not be loaded.\n", server.addr, server.memory );
syslog1( LOG_INFO, k_error );
if (fi != NULL) {
fclose( fi );
}
return 0;
}
}
if ( !fi ) {
snprintf( k_error, sizeof(k_error), "Ketama: File %s doesn't exist!", filename );
syslog1( LOG_INFO, k_error );
*count = 0;
return 0;
} else {
fclose( fi );
}
// sort the server list
qsort( (void *) slist, numservers, sizeof( serverinfo ), (compfn)serverinfo_compare );
*count = numservers;
*memory = memtotal;
return slist;
}
/** \brief Retrieve all server definitions from a file.
* \param filename The full path to the file which contains the server definitions.
* \param count The value of this pointer will be set to the amount of servers which could be parsed.
* \param memory The value of this pointer will be set to the total amount of allocated memory across all servers.
* \return A serverinfo array, containing all servers that could be parsed from the given file. */
static serverinfo*
read_server_definitions( char* filename, unsigned int* count, unsigned long* memory )
{
serverinfo* slist = 0;
unsigned int lineno = 0;
unsigned int numservers = 0;
unsigned long memtotal = 0;
FILE* fi = fopen( filename, "r" );
while ( fi && !feof( fi ) )
{
char sline[128] = "";
if (fgets( sline, 127, fi ) == NULL)
continue;
lineno++;
if ( strlen( sline ) < 2 || sline[0] == '#' )
continue;
serverinfo server = read_server_line( sline );
if ( server.memory > 0 && strlen( server.addr ) )
{
slist = (serverinfo*)realloc( slist, sizeof( serverinfo ) * ( numservers + 1 ) );
memcpy( &slist[numservers], &server, sizeof( serverinfo ) );
numservers++;
memtotal += server.memory;
}
else
{
/* This kind of tells the parent code that
* "there were servers but not really"
*/
*count = 1;
free( slist );
set_error( "%s (line %d in %s)", k_error, lineno, filename );
return 0;
}
}
if ( !fi )
{
set_error( "File %s doesn't exist!", filename );
*count = 0;
return 0;
}
else
{
fclose( fi );
}
*count = numservers;
*memory = memtotal;
return slist;
}
