ObjFW  Diff

#import "config.h"

#define _GNU_SOURCE
#import <stdio.h>
#import <stdlib.h>
#import <string.h>
#import <errno.h>

#import "OFExceptions.h"

#ifndef HAVE_ASPRINTF
#import "asprintf.h"
#endif

- initWithObject: (id)obj
	 andPath: (const char*)path_
	 andMode: (const char*)mode_
{
	if ((self = [super initWithObject: obj])) {
		path = (path_ != NULL ? strdup(path_) : NULL);
		mode = (mode_ != NULL ? strdup(mode_) : NULL);
		err = errno;
	}

	return self;
}

- free
{

- (const char*)cString
{
	if (string != NULL)
		return string;

	asprintf(&string, "Failed to open file %s with mode %s in object of "
	    "class %s! Error string was: %s", path, mode, [self name],
	    strerror(err));

	return string;
}

- (int)errNo
{
	return err;
}

- (char*)path
{
	return path;
}

- (char*)mode

	 andSize: (size_t)size
       andNItems: (size_t)nitems
{
	if ((self = [super initWithObject: obj])) {
		req_size = size;
		req_items = nitems;
		has_items = YES;
		err = errno;
	}

	return self;
}

- initWithObject: (id)obj
	 andSize: (size_t)size
{
	if ((self = [super initWithObject: obj])) {
		req_size = size;
		req_items = 0;
		has_items = NO;
		err = errno;
	}

	return self;
}

- (int)errNo
{
	return err;
}

- (size_t)requestedSize
{
	return req_size;
}

- (size_t)requestedItems

- (const char*)cString
{
	if (string != NULL)
		return string;;

	if (has_items)
		asprintf(&string, "Failed to read %zu items of size %zu in "
		    "object of class %s! Error string was: %s", req_items,
		    req_size, [object name], strerror(err));
	else
		asprintf(&string, "Failed to read %zu bytes in object of class "
		    "%s! Error string was: %s", req_size, [object name],
		    strerror(err));

	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 "
		    "object of class %s! Error string was: %s", req_items,
		    req_size, [object name], strerror(err));
	else
		asprintf(&string, "Failed to write %zu bytes in object of "
		    "class %s! Error string was: %s", req_size, [object name],
		    strerror(err));

	return string;
}
@end

@implementation OFSetOptionFailedException
- (const char*)cString

- initWithObject: (id)obj
	 andNode: (const char*)node_
      andService: (const char*)service_
{
	if ((self = [super initWithObject: obj])) {
		node = (node_ != NULL ? strdup(node_) : NULL);
		service = (service_ != NULL ? strdup(service_) : NULL);
		err = errno;
	}

	return self;
}

- free
{

	if (string != NULL)
		return string;

	asprintf(&string, "The service %s on %s could not be translated to an "
	    "address for an object of type %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. "
	    "Error string was: %s", service, node, [object name],
	    strerror(err));

	return string;
}

- (int)errNo
{
	return err;
}

- (const char*)node
{
	return node;
}

- (const char*)service

- initWithObject: (id)obj
	 andHost: (const char*)host_
	 andPort: (uint16_t)port_
{
	if ((self = [super initWithObject: obj])) {
		host = (host_ != NULL ? strdup(host_) : NULL);
		port = port_;
		err = errno;
	}

	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 "
	    "object of type %s! Error string was: %s", host, port,
	    [object name], strerror(err));

	return string;
}

- (int)errNo
{
	return err;
}

- (const char*)host
{
	return host;
}

- (uint16_t)port

	 andPort: (uint16_t)port_
       andFamily: (int)family_
{
	if ((self = [super initWithObject: obj])) {
		host = (host_ != NULL ? strdup(host_) : NULL);
		port = port_;
		family = family_;
		err = errno;
	}

	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 "
	    "object of type %s! Error string was: %s", port, host, family,
	    [object name], strerror(err));

	return string;
}

- (int)errNo
{
	return err;
}

- (const char*)host
{
	return host;
}

- (uint16_t)port

	return [[self alloc] initWithObject: obj
				 andBackLog: backlog_];
}

- initWithObject: (id)obj
      andBackLog: (int)backlog_
{
	if ((self = [super initWithObject: obj])) {
		backlog = backlog_;
		err = errno;
	}

	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! Error string was: %s", [object name], backlog,
	    strerror(err));

	return string;
}

- (int)errNo
{
	return err;
}

- (int)backLog
{
	return backlog;
}
@end

@implementation OFAcceptFailedException
- initWithObject: (id)obj
{
	if ((self = [super initWithObject: obj]))
		err = errno;

	return self;
}

- (const char*)cString
{
	if (string != NULL)
		return string;

	asprintf(&string, "Failed to accept connection in socket of type %s! "
	    "Error string was: %s", [object name], strerror(err));

	return string;
}

- (int)errNo
{
	return err;
}
@end