Machine Vision Status TCP Server
Dependencies: C12832 EthernetInterface mbed-rtos mbed ConfigFile
TcpDaemon.h@3:254a2671a8e3, 2015-03-06 (annotated)
- Committer:
- dwini
- Date:
- Fri Mar 06 08:20:56 2015 +0000
- Revision:
- 3:254a2671a8e3
- Parent:
- 2:a8eebf64cd3e
- Child:
- 4:339a85b66476
Change to non-blocking accept. Fix client disconnection bug.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
dwini | 1:8efef658d90b | 1 | #include "EthernetInterface.h" |
dwini | 1:8efef658d90b | 2 | |
dwini | 1:8efef658d90b | 3 | #ifndef TCP_DAEMON_HEADER |
dwini | 1:8efef658d90b | 4 | #define TCP_DAEMON_HEADER |
dwini | 1:8efef658d90b | 5 | |
dwini | 2:a8eebf64cd3e | 6 | #include "mbed.h" |
dwini | 2:a8eebf64cd3e | 7 | |
dwini | 1:8efef658d90b | 8 | #define MAX_BACKLOG 1 |
dwini | 1:8efef658d90b | 9 | |
dwini | 1:8efef658d90b | 10 | namespace MachineVision{ |
dwini | 1:8efef658d90b | 11 | |
dwini | 1:8efef658d90b | 12 | class TcpDaemon{ |
dwini | 1:8efef658d90b | 13 | public: |
dwini | 1:8efef658d90b | 14 | const static int BUFFER_SIZE = 512; |
dwini | 2:a8eebf64cd3e | 15 | const static int TCP_TIMEOUT = 250; |
dwini | 3:254a2671a8e3 | 16 | const static int TCP_ACCEPT_TIMEOUT = 500; |
dwini | 2:a8eebf64cd3e | 17 | const static int MAX_READ_TIMEOUTS = 10; // Maximum number of times to retry to read for rest of message |
dwini | 1:8efef658d90b | 18 | |
dwini | 1:8efef658d90b | 19 | private: |
dwini | 1:8efef658d90b | 20 | int server_port; |
dwini | 1:8efef658d90b | 21 | TCPSocketServer server; |
dwini | 1:8efef658d90b | 22 | TCPSocketConnection client; |
dwini | 1:8efef658d90b | 23 | |
dwini | 1:8efef658d90b | 24 | char buffer[BUFFER_SIZE+1]; |
dwini | 1:8efef658d90b | 25 | bool keepListening; |
dwini | 2:a8eebf64cd3e | 26 | |
dwini | 3:254a2671a8e3 | 27 | DigitalOut accept_led; |
dwini | 2:a8eebf64cd3e | 28 | DigitalOut receive_led; |
dwini | 1:8efef658d90b | 29 | |
dwini | 1:8efef658d90b | 30 | public: |
dwini | 1:8efef658d90b | 31 | /* |
dwini | 1:8efef658d90b | 32 | * TcpDaemon constructor |
dwini | 1:8efef658d90b | 33 | * |
dwini | 1:8efef658d90b | 34 | * @server_port the port the daemon will be listening on |
dwini | 1:8efef658d90b | 35 | */ |
dwini | 3:254a2671a8e3 | 36 | TcpDaemon(int server_port, PinName accept_led_pin, PinName receive_led_pin); |
dwini | 1:8efef658d90b | 37 | |
dwini | 1:8efef658d90b | 38 | /* |
dwini | 1:8efef658d90b | 39 | * Make the daemon start listening for incoming connections |
dwini | 1:8efef658d90b | 40 | */ |
dwini | 1:8efef658d90b | 41 | void startListening(); |
dwini | 1:8efef658d90b | 42 | |
dwini | 1:8efef658d90b | 43 | private: |
dwini | 1:8efef658d90b | 44 | /* |
dwini | 1:8efef658d90b | 45 | * Bind to server socket |
dwini | 1:8efef658d90b | 46 | * |
dwini | 1:8efef658d90b | 47 | * @return true on success |
dwini | 1:8efef658d90b | 48 | */ |
dwini | 1:8efef658d90b | 49 | bool bindSocket(); |
dwini | 1:8efef658d90b | 50 | |
dwini | 1:8efef658d90b | 51 | /* |
dwini | 1:8efef658d90b | 52 | * Listen for incoming connections |
dwini | 1:8efef658d90b | 53 | */ |
dwini | 1:8efef658d90b | 54 | void doListen(); |
dwini | 1:8efef658d90b | 55 | }; |
dwini | 1:8efef658d90b | 56 | } |
dwini | 1:8efef658d90b | 57 | |
dwini | 1:8efef658d90b | 58 | #endif |