1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
// -*- Mode: ObjC; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
//
// This file is part of the LibreOffice project.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#import "Client.h"
#import "Server.h"
#import "Receiver.h"
#import "CommunicationManager.h"
@interface Client() <NSStreamDelegate>
@property (nonatomic, strong) NSInputStream* mInputStream;
@property (nonatomic, strong) NSOutputStream* mOutputStream;
@property (nonatomic, strong) NSString* mPin;
@property (nonatomic, strong) NSString* mName;
@property uint mPort;
@property (nonatomic, weak) Server* mServer;
@property (nonatomic, weak) Receiver* mReceiver;
@property (nonatomic, weak) CommunicationManager* mComManager;
@property (nonatomic, retain) NSMutableData* mData;
@property BOOL mReady;
@end
@implementation Client
@synthesize mInputStream = _mInputStream;
@synthesize mOutputStream = _mOutputStream;
@synthesize mPin = _mPin;
@synthesize mName = _mName;
@synthesize mServer = _mServer;
@synthesize mComManager = _mComManager;
@synthesize mData = _mData;
@synthesize mReady = _mReady;
NSString * const CHARSET = @"UTF-8";
- (id) initWithServer:(Server*)server
managedBy:(CommunicationManager*)manager
interpretedBy:(Receiver*)receiver
{
self.mPin = [self getPin];
NSLog(@"mPin: %@", self.mPin);
self.mName = [[UIDevice currentDevice] name];
self.mServer = server;
self.mComManager = manager;
self.mReceiver = receiver;
// hardcoded here to test the communication TODO
self.mPort = 1599;
return self;
}
- (NSString *) getPin
{
NSString* newPin = [NSString stringWithFormat:@"%04d", arc4random() % 9999];
}
- (void)streamOpenWithIp:(NSString *)ip withPortNumber:(uint)portNumber
{
NSLog(@"Connecting to %@:%u", ip, portNumber);
CFReadStreamRef readStream;
CFWriteStreamRef writeStream;
CFStreamCreatePairWithSocketToHost(kCFAllocatorDefault, (__bridge CFStringRef)ip, portNumber, &readStream, &writeStream);
if(readStream && writeStream)
{
CFReadStreamSetProperty(readStream, kCFStreamPropertyShouldCloseNativeSocket, kCFBooleanTrue);
CFWriteStreamSetProperty(writeStream, kCFStreamPropertyShouldCloseNativeSocket, kCFBooleanTrue);
//Setup mInputStream
self.mInputStream = (__bridge NSInputStream *)readStream;
[self.mInputStream setDelegate:self];
[self.mInputStream scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
[self.mInputStream open];
//Setup outputstream
self.mOutputStream = (__bridge NSOutputStream *)writeStream;
[self.mOutputStream setDelegate:self];
[self.mOutputStream scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
[self.mOutputStream open];
// NSLog(@"Stream opened %@ %@", @"iPad", self.mPin);
NSArray *temp = [[NSArray alloc]initWithObjects:@"LO_SERVER_CLIENT_PAIR\n", self.mName, @"\n", self.mPin, @"\n\n", nil];
NSString *command = [temp componentsJoinedByString:@""];
[self sendCommand:command];
}
}
- (void) sendCommand:(NSString *)aCommand
{
NSLog(@"Sending command %@", aCommand);
// UTF-8 as speficied in specification
NSData * data = [aCommand dataUsingEncoding:NSUTF8StringEncoding];
[self.mOutputStream write:(uint8_t *)[data bytes] maxLength:[data length]];
}
- (void)stream:(NSStream *)stream handleEvent:(NSStreamEvent)eventCode {
switch(eventCode) {
case NSStreamEventOpenCompleted:
NSLog(@"Connection established");
break;
case NSStreamEventErrorOccurred:
NSLog(@"Connection error occured");
break;
case NSStreamEventHasBytesAvailable:
{
NSLog(@"NSStreamEventHasBytesAvailable");
if(!self.mData) {
self.mData = [NSMutableData data];
}
uint8_t buf[1024];
unsigned int len = 0;
len = [(NSInputStream *)stream read:buf maxLength:1024];
if(len) {
[self.mData appendBytes:(const void *)buf length:len];
int bytesRead = 0;
// bytesRead is an instance variable of type NSNumber.
bytesRead += len;
} else {
NSLog(@"No data but received event for whatever reasons!");
}
NSString *str = [[NSString alloc] initWithData:self.mData
encoding:NSUTF8StringEncoding];
NSLog(@"Data Received: %@", str);
self.mData = nil;
} break;
default:
{
}
}
}
- (void) connect
{
[self streamOpenWithIp:self.mServer.serverAddress withPortNumber:self.mPort];
}
@end
|
