iOS socket
5691 ワード
#import "ViewController.h"
@interface ViewController ()<NSStreamDelegate,UITextFieldDelegate,UITableViewDataSource,UITableViewDelegate>{
NSInputStream *_inputStream;//
NSOutputStream *_outputStream;//
}
@property (weak, nonatomic) IBOutlet NSLayoutConstraint *inputViewConstraint;
@property (weak, nonatomic) IBOutlet UITableView *tableView;
@property (nonatomic, strong) NSMutableArray *chatMsgs;//
@end
@implementation ViewController
-(NSMutableArray *)chatMsgs{
if (!_chatMsgs) {
_chatMsgs = [NSMutableArray array];
}
return _chatMsgs;
}
- (void)viewDidLoad {
[super viewDidLoad];
// 2.
//
// 1.
// 2.
//
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(kbFrmWillChange:) name:UIKeyboardWillChangeFrameNotification object:nil];
}
-(void)kbFrmWillChange:(NSNotification *)noti{
//
CGFloat windowH = [UIScreen mainScreen].bounds.size.height;
// Frm
CGRect kbEndFrm = [noti.userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue];
// y
CGFloat kbEndY = kbEndFrm.origin.y;
self.inputViewConstraint.constant = windowH - kbEndY;
}
-(void)stream:(NSStream *)aStream handleEvent:(NSStreamEvent)eventCode{
NSLog(@"%@",[NSThread currentThread]);
// NSStreamEventOpenCompleted = 1UL << 0,//
// NSStreamEventHasBytesAvailable = 1UL << 1,//
// NSStreamEventHasSpaceAvailable = 1UL << 2,//
// NSStreamEventErrorOccurred = 1UL << 3,//
// NSStreamEventEndEncountered = 1UL << 4//
switch (eventCode) {
case NSStreamEventOpenCompleted:
NSLog(@" ");
break;
case NSStreamEventHasBytesAvailable:
NSLog(@" ");
[self readData];
break;
case NSStreamEventHasSpaceAvailable:
NSLog(@" ");
break;
case NSStreamEventErrorOccurred:
NSLog(@" ");
break;
case NSStreamEventEndEncountered:
NSLog(@" ");
//
[_inputStream close];
[_outputStream close];
//
[_inputStream removeFromRunLoop:[NSRunLoop mainRunLoop] forMode:NSDefaultRunLoopMode];
[_outputStream removeFromRunLoop:[NSRunLoop mainRunLoop] forMode:NSDefaultRunLoopMode];
break;
default:
break;
}
}
- (IBAction)connectToHost:(id)sender {
// 1.
NSString *host = @"127.0.0.1";
int port = 12345;
// C
CFReadStreamRef readStream;
CFWriteStreamRef writeStream;
CFStreamCreatePairWithSocketToHost(NULL, (__bridge CFStringRef)host, port, &readStream, &writeStream);
// C OC
_inputStream = (__bridge NSInputStream *)(readStream);
_outputStream = (__bridge NSOutputStream *)(writeStream);
//
_inputStream.delegate = self;
_outputStream.delegate = self;
//
//
[_inputStream scheduleInRunLoop:[NSRunLoop mainRunLoop] forMode:NSDefaultRunLoopMode];
[_outputStream scheduleInRunLoop:[NSRunLoop mainRunLoop] forMode:NSDefaultRunLoopMode];
//
[_inputStream open];
[_outputStream open];
}
- (IBAction)loginBtnClick:(id)sender {
//
//
// , ,
// , "iam:zhangsan";
// , "msg:did you have dinner";
//
NSString *loginStr = @"iam:zhangsan";
// Str NSData
NSData *data = [loginStr dataUsingEncoding:NSUTF8StringEncoding];
[_outputStream write:data.bytes maxLength:data.length];
}
#pragma mark
-(void)readData{
// 1024
uint8_t buf[1024];
//
NSInteger len = [_inputStream read:buf maxLength:sizeof(buf)];
//
NSData *data = [NSData dataWithBytes:buf length:len];
//
NSString *recStr = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
[self reloadDataWithText:recStr];
}
-(BOOL)textFieldShouldReturn:(UITextField *)textField{
NSString *text = textField.text;
//
NSString *msgStr = [NSString stringWithFormat:@"msg:%@",text];
// Str NSData
NSData *data = [msgStr dataUsingEncoding:NSUTF8StringEncoding];
//
[self reloadDataWithText:msgStr];
//
[_outputStream write:data.bytes maxLength:data.length];
// , textField
textField.text = nil;
return YES;
}
-(void)reloadDataWithText:(NSString *)text{
[self.chatMsgs addObject:text];
[self.tableView reloadData];
// ,
NSIndexPath *lastPath = [NSIndexPath indexPathForRow:self.chatMsgs.count - 1 inSection:0];
[self.tableView scrollToRowAtIndexPath:lastPath atScrollPosition:UITableViewScrollPositionBottom animated:YES];
}
#pragma mark
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
return self.chatMsgs.count;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
static NSString *ID = @"Cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:ID];
cell.textLabel.text = self.chatMsgs[indexPath.row];
return cell;
}
-(void)scrollViewWillBeginDragging:(UIScrollView *)scrollView{
[self.view endEditing:YES];
}
@end
サーバーはgithubで、自分でダウンロードして遊ぶことができます.本人javaは入門したばかりで、ここまでしかできません.このサーバーに基づいて他の機能を拡張することができます.