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GGS/games/Pong/Classes/GGSNetwork.m
2011-03-06 05:25:35 +01:00

138 lines
3.8 KiB
Objective-C

//
// Network.m
// Pong
//
// Created by Jeena on 27.02.11.
// Copyright 2011 __MyCompanyName__. All rights reserved.
//
#import "GGSNetwork.h"
@implementation GGSNetwork
#define GGS_HOST @"home.jeena.net"
#define GGS_PORT 9000
#define NO_TIMEOUT -1
#define HEADER_DELIMITER [@"\n\n" dataUsingEncoding:NSUTF8StringEncoding]
#define NO_TAG 7
#define CONNECT_HEAD 8
#define CONNECT_BODY 9
#define HELLO_HEAD 10
#define HELLO_BODY 11
#define DEFINE_HEAD 12
#define DEFINE_BODY 13
#define COMMAND_HEAD 14
#define COMMAND_BODY 15
#define HEAD 16
#define BODY 17
@synthesize asyncSocket, delegate, gameToken, currentHeaders;
- (id)initWithDelegate:(id<GGSDelegate>)_delegate {
if (self = [super init]) {
delegate = _delegate;
asyncSocket = [[AsyncSocket alloc] initWithDelegate:self];
[asyncSocket connectToHost:GGS_HOST onPort:GGS_PORT error:nil];
[asyncSocket readDataToData:HEADER_DELIMITER withTimeout:NO_TIMEOUT tag:HEAD];
}
return self;
}
- (NSData *)makeMessageFor:(NSString *)serverOrGame withCommand:(NSString *)command andArgs:(NSString *)args {
return [[NSString stringWithFormat:@"Token: %@\n%@-Command: %@\nContent-Length: %i\n\n%@",
self.gameToken,
serverOrGame,
command,
[args length],
args] dataUsingEncoding:NSUTF8StringEncoding];
}
- (void)define:(NSString *)sourceCode {
[asyncSocket writeData:[self makeMessageFor:@"Server" withCommand:@"define" andArgs:sourceCode] withTimeout:NO_TIMEOUT tag:NO_TAG];
}
- (void)sendCommand:(NSString *)command withArgs:(NSString *)args {
[asyncSocket writeData:[self makeMessageFor:@"Game" withCommand:command andArgs:args] withTimeout:NO_TIMEOUT tag:NO_TAG];
}
- (void)onSocket:(AsyncSocket *)sock didConnectToHost:(NSString *)host port:(UInt16)port {
}
- (void)onSocket:(AsyncSocket *)sender didReadData:(NSData *)data withTag:(long)tag {
if (tag == HEAD) {
[self parseAndSetHeader:data];
NSInteger size = [[self.currentHeaders objectForKey:@"Content-Size"] intValue];
if (size > 0) {
[asyncSocket readDataToLength:size withTimeout:NO_TIMEOUT tag:BODY];
} else {
[delegate GGSNetwork:self receivedCommand:[self.currentHeaders objectForKey:@"Client-Command"] withArgs:@""];
[asyncSocket readDataToData:HEADER_DELIMITER withTimeout:NO_TIMEOUT tag:HEAD];
}
} else {
NSString *response = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
NSString *command = [self.currentHeaders objectForKey:@"Client-Command"];
if ([command isEqualToString:@"defined"]) {
if ([response isEqualToString:@"ok"]) {
[delegate GGSNetwork:self defined:YES];
} else {
[delegate GGSNetwork:self defined:NO];
}
} else if ([command isEqualToString:@"hello"]) {
self.gameToken = response;
[delegate GGSNetwork:self ready:YES];
} else {
[delegate GGSNetwork:self receivedCommand:command withArgs:response];
}
[asyncSocket readDataToData:HEADER_DELIMITER withTimeout:NO_TIMEOUT tag:HEAD];
}
}
- (void)parseAndSetHeader:(NSData *)headerData {
NSString *headerString = [[NSString alloc] initWithData:headerData encoding:NSUTF8StringEncoding];
NSArray *headers = [headerString componentsSeparatedByString:@"\n"];
NSMutableDictionary *dict = [[NSMutableDictionary alloc] initWithCapacity:[headers count]];
for (NSInteger i=0; i<[headers count]; i++) {
NSString *header = [headers objectAtIndex:i];
if ([header rangeOfString:@"Client-Command: "].location == 0) {
[dict setValue:[header substringFromIndex:16] forKey:@"Client-Command"];
} else if ([header rangeOfString:@"Content-Size: "].location == 0) {
[dict setValue:[header substringFromIndex:14] forKey:@"Content-Size"];
}
}
self.currentHeaders = dict;
[headerString release];
[dict release];
}
- (void)dealloc {
[asyncSocket release];
[gameToken release];
[currentHeaders release];
[super dealloc];
}
@end