远程获取iOS设备的屏幕截图

LeeC

一个远程获取iOS设备屏幕的例子，Client采用TCP连接iOS设备的2115端口，然后读取PNG格式的数据流。

+VSRemoteScreen.h +VSRemoteScreen.m 添加到你的iOS项目中，然后在App启动时调用startScreenServer函数。

+client.php client示例文件

RemoteScreen

1. #import <QuartzCore/QuartzCore.h>
   
2. #import <sys/socket.h>
   
3. #import <netinet/in.h>
   
4. #import <arpa/inet.h>
   
5. #import <pthread.h>
   
6. 
   
7. CFSocketRef _socket;
   
8. 
   
9. void* serverThread(void* context);
   
10. int setupSocket(void);
    
11. void acceptCallBack(CFSocketRef socket, CFSocketCallBackType type, CFDataRef address, const void *data, void *info);
    
12. void sendScreenShots(CFWriteStreamRef oStream);
    
13. 
    
14. void sendScreenShots(CFWriteStreamRef oStream) {
    
15.     CGSize screenSize = [[UIScreen mainScreen] bounds].size;
    
16.     UIGraphicsBeginImageContextWithOptions(screenSize, YES, 0);
    
17.     CGContextRef context = UIGraphicsGetCurrentContext();
    
18.     UIWindow * window = [[UIApplication sharedApplication] keyWindow];
    
19.     CGContextSaveGState(context);
    
20.     CGContextTranslateCTM(context, [window center].x, [window center].y);
    
21.     CGContextConcatCTM(context, [window transform]);
    
22.     CGContextTranslateCTM(context, -[window bounds].size.width*[[window layer] anchorPoint].x, -[window bounds].size.height*[[window layer] anchorPoint].y);
    
23.     [[window layer] renderInContext:context];
    
24.     CGContextRestoreGState(context);
    
25.      
    
26.     UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
    
27.      
    
28.     NSData* imageData = UIImagePNGRepresentation(image);
    
29.      
    
30.     NSUInteger offset = 0;
    
31.     NSUInteger buff_size = 1024;
    
32.     while(imageData.length>offset){
    
33.         NSUInteger buff_len = imageData.length - offset > buff_size ? buff_size : imageData.length - offset;
    
34.         CFWriteStreamWrite(oStream, imageData.bytes+offset, buff_len);
    
35.         offset = offset + buff_len;
    
36.     }
    
37.      
    
38.     UIGraphicsEndImageContext();
    
39. }
    
40. 
    
41. void acceptCallBack(CFSocketRef socket, CFSocketCallBackType type, CFDataRef address, const void *data, void *info) {
    
42.     if (kCFSocketAcceptCallBack == type) {
    
43.         CFSocketNativeHandle nativeSocketHandle = *(CFSocketNativeHandle *)data;
    
44.         uint8_t name[SOCK_MAXADDRLEN];
    
45.         socklen_t nameLen = sizeof(name);
    
46.         if (0 != getpeername(nativeSocketHandle, (struct sockaddr *)name, &nameLen)) {
    
47.             close(nativeSocketHandle);
    
48.         }
    
49.          
    
50.         //NSLog(@"%s connected.", inet_ntoa( ((struct sockaddr_in *)name)->sin_addr ));
    
51.         CFWriteStreamRef oStream;
    
52.         CFStreamCreatePairWithSocket(kCFAllocatorDefault, nativeSocketHandle, NULL, &oStream);
    
53.         if (oStream) {
    
54.             CFWriteStreamOpen(oStream);
    
55.             sendScreenShots(oStream);
    
56.             CFWriteStreamClose(oStream);
    
57.             close(nativeSocketHandle);
    
58.             
    
59.         } else {
    
60.             close(nativeSocketHandle);
    
61.         }
    
62.     }
    
63. }
    
64. 
    
65. int setupSocket() {
    
66.     _socket = CFSocketCreate(kCFAllocatorDefault, PF_INET, SOCK_STREAM, IPPROTO_TCP, kCFSocketAcceptCallBack, acceptCallBack, NULL);
    
67.     if (NULL == _socket) {
    
68.         return 0;
    
69.     }
    
70.      
    
71.     int optVal = 1;
    
72.     setsockopt(CFSocketGetNative(_socket), SOL_SOCKET, SO_REUSEADDR, (void *)&optVal, sizeof(optVal));
    
73.      
    
74.     struct sockaddr_in addr4;
    
75.     memset(&addr4, 0, sizeof(addr4));
    
76.     addr4.sin_len = (__uint8_t)sizeof(addr4);
    
77.     addr4.sin_family = AF_INET;
    
78.     addr4.sin_port = htons(2115);
    
79.     addr4.sin_addr.s_addr = htonl(INADDR_ANY);
    
80.     CFDataRef address = CFDataCreate(kCFAllocatorDefault, (UInt8 *)&addr4, sizeof(addr4));
    
81.      
    
82.     if (kCFSocketSuccess != CFSocketSetAddress(_socket, address)) {
    
83.         if (_socket) CFRelease(_socket);
    
84.         _socket = NULL;
    
85.         return 0;
    
86.     }
    
87.      
    
88.     CFRunLoopRef cfRunLoop = CFRunLoopGetCurrent();
    
89.     CFRunLoopSourceRef source = CFSocketCreateRunLoopSource(kCFAllocatorDefault, _socket, 0);
    
90.     CFRunLoopAddSource(cfRunLoop, source, kCFRunLoopCommonModes);
    
91.     CFRelease(source);
    
92.      
    
93.     return 1;
    
94. }
    
95. 
    
96. void* serverThread(void* context) {
    
97.     @autoreleasepool {
    
98.         int res = setupSocket();
    
99.         if (!res) {
    
100.             return 0;
     
101.         }
     
102.         CFRunLoopRun();
     
103.         return (void*)1;
     
104.     }
     
105. }
     
106. 
     
107. int startScreenServer() {
     
108.     pthread_t tid;
     
109.     return pthread_create(&tid, NULL, serverThread, NULL);
     
110. }

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Client

1. <?php
   
2. Header("Content-type: image/png");
   
3. 
   
4. function receiveScreenShots(){
   
5.     //$srv_ip = 'localhost';
   
6.     $srv_ip = '192.168.36.36';
   
7.     $srv_port = 2115;
   
8.     $fp = '';
   
9.     $resp_str = '';
   
10.     $errno = 0;
    
11.     $errstr = '';
    
12.     $timeout = 10;
    
13. 
    
14.     $fp = fsockopen($srv_ip,$srv_port,$errno,$errstr,$timeout);
    
15.     while(!feof($fp)){
    
16.         $resp_str .= fgets($fp,512);
    
17.     }
    
18.     fclose($fp);
    
19. 
    
20.     return $resp_str;
    
21. }
    
22. 
    
23. 
    
24. echo receiveScreenShots();
    
25. ?>

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