140 lines
4 KiB
Objective-C
140 lines
4 KiB
Objective-C
//
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// Network.m
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// Pong
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//
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// Created by Jeena on 27.02.11.
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// Copyright 2011 __MyCompanyName__. All rights reserved.
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//
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#import "GGSNetwork.h"
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@implementation GGSNetwork
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#define GGS_HOST @"localhost"
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#define GGS_PORT 9000
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#define NO_TIMEOUT -1
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#define HEADER_DELIMITER [@"\n\n" dataUsingEncoding:NSUTF8StringEncoding]
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#define CONNECT_HEAD 8
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#define CONNECT_BODY 9
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#define HELLO_HEAD 10
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#define HELLO_BODY 11
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#define DEFINE_HEAD 12
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#define DEFINE_BODY 13
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#define COMMAND_HEAD 14
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#define COMMAND_BODY 15
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@synthesize asyncSocket, delegate, gameToken, currentHeaders;
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- (id)initWithDelegate:(id<GGSDelegate>)_delegate {
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if (self = [super init]) {
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delegate = _delegate;
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asyncSocket = [[AsyncSocket alloc] initWithDelegate:self];
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[asyncSocket connectToHost:GGS_HOST onPort:GGS_PORT error:nil];
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[asyncSocket readDataToData:HEADER_DELIMITER withTimeout:NO_TIMEOUT tag:CONNECT_HEAD];
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}
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return self;
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}
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- (NSData *)makeMessageWithCommand:(NSString *)command andArgs:(NSString *)args {
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return [[NSString stringWithFormat:@"Token: %@\nServer-Command: %@\nContent-Length: %i\n\n%@",
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self.gameToken,
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command,
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[args length],
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args] dataUsingEncoding:NSUTF8StringEncoding];
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}
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- (void)define:(NSString *)sourceCode {
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[asyncSocket writeData:[self makeMessageWithCommand:@"define" andArgs:sourceCode] withTimeout:NO_TIMEOUT tag:DEFINE_HEAD];
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[asyncSocket readDataToData:HEADER_DELIMITER withTimeout:NO_TIMEOUT tag:DEFINE_BODY];
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}
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- (void)sendCommand:(NSString *)command withArgs:(NSString *)args {
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[asyncSocket writeData:[self makeMessageWithCommand:command andArgs:args] withTimeout:NO_TIMEOUT tag:COMMAND_HEAD];
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[asyncSocket readDataToData:HEADER_DELIMITER withTimeout:NO_TIMEOUT tag:COMMAND_BODY];
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}
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- (void)onSocket:(AsyncSocket *)sock didConnectToHost:(NSString *)host port:(UInt16)port {
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}
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- (void)onSocket:(AsyncSocket *)sender didReadData:(NSData *)data withTag:(long)tag {
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if (tag == CONNECT_HEAD) {
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[self parseHeader:data];
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if ([self.currentHeaders objectForKey:@"Size"] != nil) {
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[asyncSocket readDataToLength:[[self.currentHeaders objectForKey:@"Size"] intValue] withTimeout:NO_TIMEOUT tag:CONNECT_BODY];
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}
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} else if (tag == CONNECT_BODY) {
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NSString *response = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
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self.gameToken = response;
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[response release];
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[delegate GGSNetwork:self ready:YES];
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} else if (tag == DEFINE_HEAD) {
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[self.delegate GGSNetwork:self defined:YES];
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} else if (tag == DEFINE_BODY) {
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// nothing to do
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} else if (tag == COMMAND_HEAD) {
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[self parseHeader:data];
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if ([self.currentHeaders objectForKey:@"Size"] != nil) {
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[asyncSocket readDataToLength:[[self.currentHeaders objectForKey:@"Size"] intValue] withTimeout:NO_TIMEOUT tag:COMMAND_BODY];
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}
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} else if (tag == COMMAND_BODY) {
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NSString *response = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
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if ([self.currentHeaders objectForKey:@"Client-Command"] != nil) {
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[delegate GGSNetwork:self receivedCommand:[self.currentHeaders objectForKey:@"Client-Command"] withArgs:response];
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[asyncSocket readDataToData:HEADER_DELIMITER withTimeout:NO_TIMEOUT tag:COMMAND_BODY];
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}
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[response release];
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}
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}
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- (void)parseHeader:(NSData *)headerData {
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NSString *headerString = [[NSString alloc] initWithData:headerData encoding:NSUTF8StringEncoding];
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NSArray *headers = [headerString componentsSeparatedByString:@"\n"];
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NSMutableDictionary *dict = [[NSMutableDictionary alloc] initWithCapacity:[headers count]];
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for (NSInteger i=0; i<[headers count]; i++) {
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NSString *header = [headers objectAtIndex:i];
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if ([header rangeOfString:@"Client-Command: "].location == 0) {
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[dict setValue:[header substringFromIndex:16] forKey:@"Client-Command"];
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} else if ([header rangeOfString:@"Size: "].location == 0) {
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[dict setValue:[header substringFromIndex:6] forKey:@"Size"];
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}
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}
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self.currentHeaders = dict;
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[headerString release];
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[dict release];
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}
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- (void)dealloc {
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[asyncSocket release];
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[gameToken release];
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[currentHeaders release];
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[super dealloc];
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}
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@end
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