/*
* Copyright (c) 2008 - 2009
* Jonathan Schleifer <js@webkeks.org>
*
* All rights reserved.
*
* This file is part of libobjfw. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE included in
* the packaging of this file.
*/
#import "config.h"
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifndef _WIN32
#include <errno.h>
#define GET_ERR errno
#define GET_SOCK_ERR errno
#define ERRFMT "Error string was: %s"
#define ERRPARAM strerror(err)
#else
#include <windows.h>
#define GET_ERR GetLastError()
#define GET_SOCK_ERR WSAGetLastError()
#define ERRFMT "Error code was: %d"
#define ERRPARAM err
#endif
#import <objc/objc-api.h>
#ifdef HAVE_OBJC_RUNTIME_H
#import <objc/runtime.h>
#endif
#import "OFExceptions.h"
#if defined(HAVE_SEL_GET_NAME)
#define SEL_NAME(x) sel_get_name(x)
#elif defined(HAVE_SEL_GETNAME)
#define SEL_NAME(x) sel_getName(x)
#else
#error "You need either sel_get_name() or sel_getName()!"
#endif
#ifndef HAVE_ASPRINTF
#import "asprintf.h"
#endif
@implementation OFException
+ newWithClass: (Class)class_
{
return [[self alloc] initWithClass: class_];
}
- initWithClass: (Class)class_
{
if ((self = [super init])) {
class = class_;
string = NULL;
}
return self;
}
- free
{
if (string != NULL)
free(string);
return [super free];
}
- (Class)class
{
return class;
}
- (const char*)cString
{
return string;
}
@end
@implementation OFNoMemException
+ newWithClass: (Class)class_
andSize: (size_t)size
{
return [[self alloc] initWithClass: class_
andSize: size];
}
- initWithClass: (Class)class_
andSize: (size_t)size
{
if ((self = [super initWithClass: class_]))
req_size = size;
return self;
}
- (const char*)cString
{
if (string != NULL)
return string;
asprintf(&string, "Could not allocate %zu bytes in class %s!",
req_size, [class name]);
return string;
}
- (size_t)requestedSize
{
return req_size;
}
@end
@implementation OFMemNotPartOfObjException
+ newWithClass: (Class)class_
andPointer: (void*)ptr
{
return [[self alloc] initWithClass: class_
andPointer: ptr];
}
- initWithClass: (Class)class_
andPointer: (void*)ptr
{
if ((self = [super initWithClass: class_]))
pointer = ptr;
return self;
}
- (const char*)cString
{
if (string != NULL)
return string;
asprintf(&string, "Memory at %p was not allocated as part of object "
"of class %s, thus the memory allocation was not changed! It is "
"also possible that there was an attempt to free the same memory "
"twice.", pointer, [class name]);
return string;
}
- (void*)pointer
{
return pointer;
}
@end
@implementation OFOutOfRangeException
- (const char*)cString
{
if (string != NULL)
return string;
asprintf(&string, "Value out of range in class %s!", [class name]);
return string;
}
@end
@implementation OFInvalidArgumentException
+ newWithClass: (Class)class_
andSelector: (SEL)selector_
{
return [[self alloc] initWithClass: class_
andSelector: selector_];
}
- initWithClass: (Class)class_
andSelector: (SEL)selector_
{
if ((self = [super initWithClass: class_]))
selector = selector_;
return self;
}
- (const char*)cString
{
if (string != NULL)
return string;
asprintf(&string, "The argument for method %s of class %s is invalid!",
SEL_NAME(selector), [class name]);
return string;
}
@end
@implementation OFInvalidEncodingException
- (const char*)cString
{
if (string != NULL)
return string;
asprintf(&string, "The encoding is invalid for class %s!",
[class name]);
return string;
}
@end
@implementation OFInvalidFormatException
- (const char*)cString
{
if (string != NULL)
return string;
asprintf(&string, "The format is invalid for class %s!", [class name]);
return string;
}
@end
@implementation OFInitializationFailedException
- (const char*)cString
{
if (string != NULL)
return string;
asprintf(&string, "Initialization failed for class %s!", [class name]);
return string;
}
@end
@implementation OFOpenFileFailedException
+ newWithClass: (Class)class_
andPath: (const char*)path_
andMode: (const char*)mode_
{
return [[self alloc] initWithClass: class_
andPath: path_
andMode: mode_];
}
- initWithClass: (Class)class_
andPath: (const char*)path_
andMode: (const char*)mode_
{
if ((self = [super initWithClass: class_])) {
path = (path_ != NULL ? strdup(path_) : NULL);
mode = (mode_ != NULL ? strdup(mode_) : NULL);
err = GET_ERR;
}
return self;
}
- free
{
if (path != NULL)
free(path);
if (mode != NULL)
free(mode);
return [super free];
}
- (const char*)cString
{
if (string != NULL)
return string;
asprintf(&string, "Failed to open file %s with mode %s in class %s! "
ERRFMT, path, mode, [self name], ERRPARAM);
return string;
}
- (int)errNo
{
return err;
}
- (char*)path
{
return path;
}
- (char*)mode
{
return mode;
}
@end
@implementation OFReadOrWriteFailedException
+ newWithClass: (Class)class_
andSize: (size_t)size
andNItems: (size_t)nitems
{
return [[self alloc] initWithClass: class_
andSize: size
andNItems: nitems];
}
+ newWithClass: (Class)class_
andSize: (size_t)size
{
return [[self alloc] initWithClass: class_
andSize: size];
}
- initWithClass: (Class)class_
andSize: (size_t)size
andNItems: (size_t)nitems
{
if ((self = [super initWithClass: class_])) {
req_size = size;
req_items = nitems;
has_items = YES;
err = GET_ERR;
}
return self;
}
- initWithClass: (Class)class_
andSize: (size_t)size
{
if ((self = [super initWithClass: class_])) {
req_size = size;
req_items = 0;
has_items = NO;
err = GET_ERR;
}
return self;
}
- (int)errNo
{
return err;
}
- (size_t)requestedSize
{
return req_size;
}
- (size_t)requestedItems
{
return req_items;
}
- (BOOL)hasNItems
{
return has_items;
}
@end
@implementation OFReadFailedException
- (const char*)cString
{
if (string != NULL)
return string;;
if (has_items)
asprintf(&string, "Failed to read %zu items of size %zu in "
"class %s! " ERRFMT, req_items, req_size, [class name],
ERRPARAM);
else
asprintf(&string, "Failed to read %zu bytes in class %s! "
ERRFMT, req_size, [class name], ERRPARAM);
return string;
}
@end
@implementation OFWriteFailedException
- (const char*)cString
{
if (string != NULL)
return string;
if (has_items)
asprintf(&string, "Failed to write %zu items of size %zu in "
"class %s! " ERRFMT, req_items, req_size, [class name],
ERRPARAM);
else
asprintf(&string, "Failed to write %zu bytes in class %s! "
ERRFMT, req_size, [class name], ERRFMT);
return string;
}
@end
@implementation OFSetOptionFailedException
- (const char*)cString
{
if (string != NULL)
return string;
asprintf(&string, "Setting an option in class %s failed!",
[class name]);
return string;
}
@end
@implementation OFNotConnectedException
- (const char*)cString
{
if (string != NULL)
return string;
asprintf(&string, "The socket of type %s is not connected or bound!",
[class name]);
return string;
}
@end
@implementation OFAlreadyConnectedException
- (const char*)cString
{
if (string != NULL)
return string;
asprintf(&string, "The socket of type %s is already connected or bound "
"and thus can't be connected or bound again!", [class name]);
return string;
}
@end
@implementation OFInvalidPortException
- (const char*)cString
{
if (string != NULL)
return string;
asprintf(&string, "The port specified is not valid for a socket of "
"type %s! This usually means you tried to use port 0, which is an "
"invalid port.", [class name]);
return string;
}
@end
@implementation OFAddressTranslationFailedException
+ newWithClass: (Class)class_
andNode: (const char*)node_
andService: (const char*)service_
{
return [self newWithClass: class_
andNode: node_
andService: service_];
}
- initWithClass: (Class)class_
andNode: (const char*)node_
andService: (const char*)service_
{
if ((self = [super initWithClass: class_])) {
node = (node_ != NULL ? strdup(node_) : NULL);
service = (service_ != NULL ? strdup(service_) : NULL);
err = GET_SOCK_ERR;
}
return self;
}
- free
{
if (node != NULL)
free(node);
if (service != NULL)
free(node);
return [super free];
}
- (const char*)cString
{
if (string != NULL)
return string;
asprintf(&string, "The service %s on %s could not be translated to an "
"address in class %s. This means that either the node was not "
"found, there is no such service on the node, there was a problem "
"with the name server, there was a problem with your network "
"connection or you specified an invalid node or service. " ERRFMT,
service, node, [class name], ERRPARAM);
return string;
}
- (int)errNo
{
return err;
}
- (const char*)node
{
return node;
}
- (const char*)service
{
return service;
}
@end
@implementation OFConnectionFailedException
+ newWithClass: (Class)class_
andHost: (const char*)host_
andPort: (uint16_t)port_
{
return [self newWithClass: class_
andHost: host_
andPort: port_];
}
- initWithClass: (Class)class_
andHost: (const char*)host_
andPort: (uint16_t)port_
{
if ((self = [super initWithClass: class_])) {
host = (host_ != NULL ? strdup(host_) : NULL);
port = port_;
err = GET_SOCK_ERR;
}
return self;
}
- free
{
if (host != NULL)
free(host);
return [super free];
}
- (const char*)cString
{
if (string != NULL)
return string;
asprintf(&string, "A connection to %s:%d could not be established in "
"class %s! " ERRFMT, host, port, [class name], ERRPARAM);
return string;
}
- (int)errNo
{
return err;
}
- (const char*)host
{
return host;
}
- (uint16_t)port
{
return port;
}
@end
@implementation OFBindFailedException
+ newWithClass: (Class)class_
andHost: (const char*)host_
andPort: (uint16_t)port_
andFamily: (int)family_
{
return [[self alloc] initWithClass: class_
andHost: host_
andPort: port_
andFamily: family_];
}
- initWithClass: (Class)class_
andHost: (const char*)host_
andPort: (uint16_t)port_
andFamily: (int)family_
{
if ((self = [super initWithClass: class_])) {
host = (host_ != NULL ? strdup(host_) : NULL);
port = port_;
family = family_;
err = GET_SOCK_ERR;
}
return self;
}
- free
{
if (host != NULL)
free(host);
return [super free];
}
- (const char*)cString
{
if (string != NULL)
return string;
asprintf(&string, "Binding to port %d on %s using family %d failed in "
"class %s! " ERRFMT, port, host, family, [class name], ERRPARAM);
return string;
}
- (int)errNo
{
return err;
}
- (const char*)host
{
return host;
}
- (uint16_t)port
{
return port;
}
- (int)family
{
return family;
}
@end
@implementation OFListenFailedException
+ newWithClass: (Class)class_
andBackLog: (int)backlog_
{
return [[self alloc] initWithClass: class_
andBackLog: backlog_];
}
- initWithClass: (Class)class_
andBackLog: (int)backlog_
{
if ((self = [super initWithClass: class_])) {
backlog = backlog_;
err = GET_SOCK_ERR;
}
return self;
}
- (const char*)cString
{
if (string != NULL)
return string;
asprintf(&string, "Failed to listen in socket of type %s with a back "
"log of %d! "ERRFMT, [class name], backlog, ERRPARAM);
return string;
}
- (int)errNo
{
return err;
}
- (int)backLog
{
return backlog;
}
@end
@implementation OFAcceptFailedException
- initWithClass: (Class)class_
{
if ((self = [super initWithClass: class_]))
err = GET_SOCK_ERR;
return self;
}
- (const char*)cString
{
if (string != NULL)
return string;
asprintf(&string, "Failed to accept connection in socket of type %s! "
ERRFMT, [class name], ERRPARAM);
return string;
}
- (int)errNo
{
return err;
}
@end