BLIP/BLIPConnection.m
changeset 1 8267d5c429c4
child 2 9fdd8dba529c
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/BLIP/BLIPConnection.m	Sat May 24 13:26:02 2008 -0700
     1.3 @@ -0,0 +1,158 @@
     1.4 +//
     1.5 +//  BLIPConnection.m
     1.6 +//  MYNetwork
     1.7 +//
     1.8 +//  Created by Jens Alfke on 5/10/08.
     1.9 +//  Copyright 2008 Jens Alfke. All rights reserved.
    1.10 +//
    1.11 +
    1.12 +#import "BLIPConnection.h"
    1.13 +#import "BLIP_Internal.h"
    1.14 +#import "BLIPReader.h"
    1.15 +#import "BLIPWriter.h"
    1.16 +#import "BLIPDispatcher.h"
    1.17 +
    1.18 +#import "Logging.h"
    1.19 +#import "Test.h"
    1.20 +#import "ExceptionUtils.h"
    1.21 +
    1.22 +
    1.23 +NSString* const BLIPErrorDomain = @"BLIP";
    1.24 +
    1.25 +NSError *BLIPMakeError( int errorCode, NSString *message, ... )
    1.26 +{
    1.27 +    va_list args;
    1.28 +    va_start(args,message);
    1.29 +    message = [[NSString alloc] initWithFormat: message arguments: args];
    1.30 +    va_end(args);
    1.31 +    LogTo(BLIP,@"BLIPError #%i: %@",errorCode,message);
    1.32 +    NSDictionary *userInfo = [NSDictionary dictionaryWithObject: message
    1.33 +                                                         forKey: NSLocalizedDescriptionKey];
    1.34 +    [message release];
    1.35 +    return [NSError errorWithDomain: BLIPErrorDomain code: errorCode userInfo: userInfo];
    1.36 +}
    1.37 +
    1.38 +
    1.39 +
    1.40 +
    1.41 +@implementation BLIPConnection
    1.42 +
    1.43 +- (void) dealloc
    1.44 +{
    1.45 +    [_dispatcher release];
    1.46 +    [super dealloc];
    1.47 +}
    1.48 +
    1.49 +- (Class) readerClass                                       {return [BLIPReader class];}
    1.50 +- (Class) writerClass                                       {return [BLIPWriter class];}
    1.51 +- (id<BLIPConnectionDelegate>) delegate                     {return (id)_delegate;}
    1.52 +- (void) setDelegate: (id<BLIPConnectionDelegate>)delegate  {_delegate = delegate;}
    1.53 +
    1.54 +- (BLIPDispatcher*) dispatcher
    1.55 +{
    1.56 +    if( ! _dispatcher ) {
    1.57 +        _dispatcher = [[BLIPDispatcher alloc] init];
    1.58 +        _dispatcher.parent = ((BLIPListener*)self.server).dispatcher;
    1.59 +    }
    1.60 +    return _dispatcher;
    1.61 +}
    1.62 +
    1.63 +
    1.64 +- (void) _dispatchRequest: (BLIPRequest*)request
    1.65 +{
    1.66 +    LogTo(BLIP,@"Received all of %@",request.descriptionWithProperties);
    1.67 +    @try{
    1.68 +        if( ! [self.dispatcher dispatchMessage: request] )
    1.69 +            [self tellDelegate: @selector(connection:receivedRequest:) withObject: request];
    1.70 +        if( ! request.noReply && ! request.repliedTo ) {
    1.71 +            LogTo(BLIP,@"Returning default empty response to %@",request);
    1.72 +            [request respondWithData: nil];
    1.73 +        }
    1.74 +    }@catch( NSException *x ) {
    1.75 +        MYReportException(x,@"Dispatching BLIP request");
    1.76 +        [request respondWithException: x];
    1.77 +    }
    1.78 +}
    1.79 +
    1.80 +- (void) _dispatchResponse: (BLIPResponse*)response
    1.81 +{
    1.82 +    LogTo(BLIP,@"Received all of %@",response);
    1.83 +    [self tellDelegate: @selector(connection:receivedResponse:) withObject: response];
    1.84 +}
    1.85 +
    1.86 +
    1.87 +- (BLIPRequest*) requestWithBody: (NSData*)body
    1.88 +{
    1.89 +    return [[[BLIPRequest alloc] _initWithConnection: self body: body properties: nil] autorelease];
    1.90 +}
    1.91 +
    1.92 +- (BLIPRequest*) requestWithBody: (NSData*)body
    1.93 +                      properties: (NSDictionary*)properties
    1.94 +{
    1.95 +    return [[[BLIPRequest alloc] _initWithConnection: self body: body properties: properties] autorelease];
    1.96 +}
    1.97 +
    1.98 +- (BLIPResponse*) sendRequest: (BLIPRequest*)request
    1.99 +{
   1.100 +    BLIPConnection *itsConnection = request.connection;
   1.101 +    if( itsConnection==nil )
   1.102 +        request.connection = self;
   1.103 +    else
   1.104 +        Assert(itsConnection==self,@"%@ is already assigned to a different BLIPConnection",request);
   1.105 +    return [request send];
   1.106 +}
   1.107 +
   1.108 +
   1.109 +@end
   1.110 +
   1.111 +
   1.112 +
   1.113 +
   1.114 +@implementation BLIPListener
   1.115 +
   1.116 +- (id) initWithPort: (UInt16)port
   1.117 +{
   1.118 +    self = [super initWithPort: port];
   1.119 +    if (self != nil) {
   1.120 +        self.connectionClass = [BLIPConnection class];
   1.121 +    }
   1.122 +    return self;
   1.123 +}
   1.124 +
   1.125 +- (void) dealloc
   1.126 +{
   1.127 +    [_dispatcher release];
   1.128 +    [super dealloc];
   1.129 +}
   1.130 +
   1.131 +- (BLIPDispatcher*) dispatcher
   1.132 +{
   1.133 +    if( ! _dispatcher )
   1.134 +        _dispatcher = [[BLIPDispatcher alloc] init];
   1.135 +    return _dispatcher;
   1.136 +}
   1.137 +
   1.138 +@end
   1.139 +
   1.140 +
   1.141 +/*
   1.142 + Copyright (c) 2008, Jens Alfke <jens@mooseyard.com>. All rights reserved.
   1.143 + 
   1.144 + Redistribution and use in source and binary forms, with or without modification, are permitted
   1.145 + provided that the following conditions are met:
   1.146 + 
   1.147 + * Redistributions of source code must retain the above copyright notice, this list of conditions
   1.148 + and the following disclaimer.
   1.149 + * Redistributions in binary form must reproduce the above copyright notice, this list of conditions
   1.150 + and the following disclaimer in the documentation and/or other materials provided with the
   1.151 + distribution.
   1.152 + 
   1.153 + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
   1.154 + IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 
   1.155 + FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRI-
   1.156 + BUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   1.157 + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
   1.158 +  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
   1.159 + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 
   1.160 + THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   1.161 + */