|
5 | 5 |
|
6 | 6 | namespace v8_inspector { |
7 | 7 |
|
8 | | -in_port_t InspectorServer::Init(std::function<void (std::function<void (std::string)>)> onClientConnected, std::function<void (std::string)> onMessage) { |
9 | | - in_port_t listenPort = 18183; |
| 8 | +in_port_t InspectorServer::Init( |
| 9 | + std::function<void(std::function<void(const std::string&)>)> onClientConnected, |
| 10 | + std::function<void(const std::string&)> onMessage) { |
| 11 | + in_port_t listenPort = 18183; |
| 12 | + |
| 13 | + int serverSocket = -1; |
| 14 | + if ((serverSocket = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) { |
| 15 | + assert(false); |
| 16 | + } |
| 17 | + |
| 18 | + struct sockaddr_in serverAddress; |
| 19 | + memset(&serverAddress, 0, sizeof(serverAddress)); |
| 20 | + serverAddress.sin_family = AF_INET; |
| 21 | + serverAddress.sin_addr.s_addr = htonl(INADDR_ANY); |
| 22 | + do { |
| 23 | + serverAddress.sin_port = htons(listenPort); |
| 24 | + } while (bind(serverSocket, (struct sockaddr*)&serverAddress, sizeof(serverAddress)) < 0 && |
| 25 | + ++listenPort); |
| 26 | + |
| 27 | + // Make the socket non-blocking |
| 28 | + if (fcntl(serverSocket, F_SETFL, O_NONBLOCK) < 0) { |
| 29 | + shutdown(serverSocket, SHUT_RDWR); |
| 30 | + close(serverSocket); |
| 31 | + assert(false); |
| 32 | + } |
| 33 | + |
| 34 | + // Set up the dispatch source that will alert us to new incoming connections |
| 35 | + dispatch_queue_t q = dispatch_queue_create("server_queue", DISPATCH_QUEUE_CONCURRENT); |
| 36 | + dispatch_source_t acceptSource = |
| 37 | + dispatch_source_create(DISPATCH_SOURCE_TYPE_READ, serverSocket, 0, q); |
| 38 | + dispatch_source_set_event_handler(acceptSource, ^{ |
| 39 | + const unsigned long numPendingConnections = dispatch_source_get_data(acceptSource); |
| 40 | + for (unsigned long i = 0; i < numPendingConnections; i++) { |
| 41 | + int clientSocket = -1; |
| 42 | + struct sockaddr_in echoClntAddr; |
| 43 | + unsigned int clntLen = sizeof(echoClntAddr); |
| 44 | + |
| 45 | + // Wait for a client to connect |
| 46 | + if ((clientSocket = accept(serverSocket, (struct sockaddr*)&echoClntAddr, &clntLen)) >= 0) { |
| 47 | + dispatch_io_t channel = |
| 48 | + dispatch_io_create(DISPATCH_IO_STREAM, clientSocket, q, ^(int error) { |
| 49 | + if (error) { |
| 50 | + NSLog(@"Error: %s", strerror(error)); |
| 51 | + } |
| 52 | + close(clientSocket); |
| 53 | + }); |
| 54 | + |
| 55 | + onClientConnected([channel, q](std::string message) { Send(channel, q, message); }); |
| 56 | + |
| 57 | + __block dispatch_io_handler_t receiver = ^(bool done, dispatch_data_t data, int error) { |
| 58 | + if (error) { |
| 59 | + NSLog(@"Error: %s", strerror(error)); |
| 60 | + } |
10 | 61 |
|
11 | | - int serverSocket = -1; |
12 | | - if ((serverSocket = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) { |
13 | | - assert(false); |
14 | | - } |
| 62 | + const void* bytes = [(NSData*)data bytes]; |
| 63 | + if (!bytes) { |
| 64 | + return; |
| 65 | + } |
15 | 66 |
|
16 | | - struct sockaddr_in serverAddress; |
17 | | - memset(&serverAddress, 0, sizeof(serverAddress)); |
18 | | - serverAddress.sin_family = AF_INET; |
19 | | - serverAddress.sin_addr.s_addr = htonl(INADDR_ANY); |
20 | | - do { |
21 | | - serverAddress.sin_port = htons(listenPort); |
22 | | - } while (bind(serverSocket, (struct sockaddr *) &serverAddress, sizeof(serverAddress)) < 0 && ++listenPort); |
23 | | - |
24 | | - // Make the socket non-blocking |
25 | | - if (fcntl(serverSocket, F_SETFL, O_NONBLOCK) < 0) { |
26 | | - shutdown(serverSocket, SHUT_RDWR); |
27 | | - close(serverSocket); |
28 | | - assert(false); |
29 | | - } |
| 67 | + uint32_t length = ntohl(*(uint32_t*)bytes); |
| 68 | + |
| 69 | + // Configure the channel... |
| 70 | + dispatch_io_set_low_water(channel, length); |
30 | 71 |
|
31 | | - // Set up the dispatch source that will alert us to new incoming connections |
32 | | - dispatch_queue_t q = dispatch_queue_create("server_queue", DISPATCH_QUEUE_CONCURRENT); |
33 | | - dispatch_source_t acceptSource = dispatch_source_create(DISPATCH_SOURCE_TYPE_READ, serverSocket, 0, q); |
34 | | - dispatch_source_set_event_handler(acceptSource, ^{ |
35 | | - const unsigned long numPendingConnections = dispatch_source_get_data(acceptSource); |
36 | | - for (unsigned long i = 0; i < numPendingConnections; i++) { |
37 | | - int clientSocket = -1; |
38 | | - struct sockaddr_in echoClntAddr; |
39 | | - unsigned int clntLen = sizeof(echoClntAddr); |
40 | | - |
41 | | - // Wait for a client to connect |
42 | | - if ((clientSocket = accept(serverSocket, (struct sockaddr *) &echoClntAddr, &clntLen)) >= 0) { |
43 | | - dispatch_io_t channel = dispatch_io_create(DISPATCH_IO_STREAM, clientSocket, q, ^(int error) { |
44 | | - if (error) { |
45 | | - NSLog(@"Error: %s", strerror(error)); |
46 | | - } |
47 | | - close(clientSocket); |
48 | | - }); |
49 | | - |
50 | | - onClientConnected([channel, q](std::string message) { |
51 | | - Send(channel, q, message); |
52 | | - }); |
53 | | - |
54 | | - __block dispatch_io_handler_t receiver = ^(bool done, dispatch_data_t data, int error) { |
55 | | - if (error) { |
56 | | - NSLog(@"Error: %s", strerror(error)); |
57 | | - } |
58 | | - |
59 | | - const void* bytes = [(NSData*)data bytes]; |
60 | | - if (!bytes) { |
61 | | - return; |
62 | | - } |
63 | | - |
64 | | - uint32_t length = ntohl(*(uint32_t*)bytes); |
65 | | - |
66 | | - // Configure the channel... |
67 | | - dispatch_io_set_low_water(channel, length); |
68 | | - |
69 | | - // Setup read handler |
70 | | - dispatch_io_read(channel, 0, length, q, ^(bool done, dispatch_data_t data, int error) { |
71 | | - BOOL close = NO; |
72 | | - if (error) { |
73 | | - NSLog(@"Error: %s", strerror(error)); |
74 | | - close = YES; |
75 | | - } |
76 | | - |
77 | | - const size_t size = data ? dispatch_data_get_size(data) : 0; |
78 | | - if (size) { |
79 | | - NSString* payload = [[NSString alloc] initWithData:(NSData*)data encoding:NSUTF16LittleEndianStringEncoding]; |
80 | | - |
81 | | - onMessage([payload UTF8String]); |
| 72 | + // Setup read handler |
| 73 | + dispatch_io_read(channel, 0, length, q, ^(bool done, dispatch_data_t data, int error) { |
| 74 | + BOOL close = NO; |
| 75 | + if (error) { |
| 76 | + NSLog(@"Error: %s", strerror(error)); |
| 77 | + close = YES; |
| 78 | + } |
| 79 | + |
| 80 | + const size_t size = data ? dispatch_data_get_size(data) : 0; |
| 81 | + if (size) { |
| 82 | + NSString* payload = [[NSString alloc] initWithData:(NSData*)data |
| 83 | + encoding:NSUTF16LittleEndianStringEncoding]; |
| 84 | + |
| 85 | + onMessage([payload UTF8String]); |
82 | 86 |
|
83 | 87 | #pragma clang diagnostic push |
84 | 88 | #pragma clang diagnostic ignored "-Warc-retain-cycles" |
85 | | - dispatch_io_read(channel, 0, 4, q, receiver); |
| 89 | + dispatch_io_read(channel, 0, 4, q, receiver); |
86 | 90 | #pragma clang diagnostic pop |
87 | | - } else { |
88 | | - close = YES; |
89 | | - } |
90 | | - |
91 | | - if (close) { |
92 | | - dispatch_io_close(channel, DISPATCH_IO_STOP); |
93 | | - } |
94 | | - }); |
95 | | - }; |
96 | | - |
97 | | - if (channel) { |
98 | | - dispatch_io_read(channel, 0, 4, q, receiver); |
99 | | - } |
| 91 | + } else { |
| 92 | + close = YES; |
100 | 93 | } |
101 | | - else { |
102 | | - NSLog(@"accept() failed;\n"); |
| 94 | + |
| 95 | + if (close) { |
| 96 | + dispatch_io_close(channel, DISPATCH_IO_STOP); |
103 | 97 | } |
| 98 | + }); |
| 99 | + }; |
| 100 | + |
| 101 | + if (channel) { |
| 102 | + dispatch_io_read(channel, 0, 4, q, receiver); |
104 | 103 | } |
105 | | - }); |
| 104 | + } else { |
| 105 | + NSLog(@"accept() failed;\n"); |
| 106 | + } |
| 107 | + } |
| 108 | + }); |
106 | 109 |
|
107 | | - // Resume the source so we're ready to accept once we listen() |
108 | | - dispatch_resume(acceptSource); |
| 110 | + // Resume the source so we're ready to accept once we listen() |
| 111 | + dispatch_resume(acceptSource); |
109 | 112 |
|
110 | | - // Listen() on the socket |
111 | | - if (listen(serverSocket, SOMAXCONN) < 0) { |
112 | | - shutdown(serverSocket, SHUT_RDWR); |
113 | | - close(serverSocket); |
114 | | - assert(false); |
115 | | - } |
| 113 | + // Listen() on the socket |
| 114 | + if (listen(serverSocket, SOMAXCONN) < 0) { |
| 115 | + shutdown(serverSocket, SHUT_RDWR); |
| 116 | + close(serverSocket); |
| 117 | + assert(false); |
| 118 | + } |
116 | 119 |
|
117 | | - return listenPort; |
| 120 | + return listenPort; |
118 | 121 | } |
119 | 122 |
|
120 | | -void InspectorServer::Send(dispatch_io_t channel, dispatch_queue_t queue, std::string message) { |
121 | | - NSString* str = [NSString stringWithUTF8String:message.c_str()]; |
122 | | - NSUInteger length = [str lengthOfBytesUsingEncoding:NSUTF16LittleEndianStringEncoding]; |
| 123 | +void InspectorServer::Send(dispatch_io_t channel, dispatch_queue_t queue, |
| 124 | + const std::string& message) { |
| 125 | + NSString* str = [NSString stringWithUTF8String:message.c_str()]; |
| 126 | + NSUInteger length = [str lengthOfBytesUsingEncoding:NSUTF16LittleEndianStringEncoding]; |
123 | 127 |
|
124 | | - uint8_t* buffer = (uint8_t*)malloc(length + sizeof(uint32_t)); |
| 128 | + uint8_t* buffer = (uint8_t*)malloc(length + sizeof(uint32_t)); |
125 | 129 |
|
126 | | - *(uint32_t*)buffer = htonl(length); |
| 130 | + *(uint32_t*)buffer = htonl(length); |
127 | 131 |
|
128 | | - [str getBytes:&buffer[sizeof(uint32_t)] |
129 | | - maxLength:length |
130 | | - usedLength:NULL |
131 | | - encoding:NSUTF16LittleEndianStringEncoding |
132 | | - options:0 |
133 | | - range:NSMakeRange(0, str.length) |
134 | | - remainingRange:NULL]; |
| 132 | + [str getBytes:&buffer[sizeof(uint32_t)] |
| 133 | + maxLength:length |
| 134 | + usedLength:NULL |
| 135 | + encoding:NSUTF16LittleEndianStringEncoding |
| 136 | + options:0 |
| 137 | + range:NSMakeRange(0, str.length) |
| 138 | + remainingRange:NULL]; |
135 | 139 |
|
136 | | - dispatch_data_t data = dispatch_data_create(buffer, length + sizeof(uint32_t), queue, ^{ |
137 | | - free(buffer); |
138 | | - }); |
| 140 | + dispatch_data_t data = dispatch_data_create(buffer, length + sizeof(uint32_t), queue, ^{ |
| 141 | + free(buffer); |
| 142 | + }); |
139 | 143 |
|
140 | | - dispatch_io_write(channel, 0, data, queue, ^(bool done, dispatch_data_t data, int error) { |
141 | | - if (error) { |
142 | | - NSLog(@"Error: %s", strerror(error)); |
143 | | - } |
144 | | - }); |
| 144 | + dispatch_io_write(channel, 0, data, queue, ^(bool done, dispatch_data_t data, int error) { |
| 145 | + if (error) { |
| 146 | + NSLog(@"Error: %s", strerror(error)); |
| 147 | + } |
| 148 | + }); |
145 | 149 | } |
146 | 150 |
|
147 | | -} |
| 151 | +} // namespace v8_inspector |
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