Machine Vision Status TCP Server
Dependencies: C12832 EthernetInterface mbed-rtos mbed ConfigFile
TcpDaemon.h@2:a8eebf64cd3e, 2015-03-05 (annotated)
- Committer:
- dwini
- Date:
- Thu Mar 05 15:32:22 2015 +0000
- Revision:
- 2:a8eebf64cd3e
- Parent:
- 1:8efef658d90b
- Child:
- 3:254a2671a8e3
Refactored message receival and added partial message timeout mechanism.
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 | 2:a8eebf64cd3e | 16 | const static int MAX_READ_TIMEOUTS = 10; // Maximum number of times to retry to read for rest of message |
dwini | 1:8efef658d90b | 17 | |
dwini | 1:8efef658d90b | 18 | private: |
dwini | 1:8efef658d90b | 19 | int server_port; |
dwini | 1:8efef658d90b | 20 | TCPSocketServer server; |
dwini | 1:8efef658d90b | 21 | TCPSocketConnection client; |
dwini | 1:8efef658d90b | 22 | |
dwini | 1:8efef658d90b | 23 | char buffer[BUFFER_SIZE+1]; |
dwini | 1:8efef658d90b | 24 | bool keepListening; |
dwini | 2:a8eebf64cd3e | 25 | |
dwini | 2:a8eebf64cd3e | 26 | DigitalOut receive_led; |
dwini | 1:8efef658d90b | 27 | |
dwini | 1:8efef658d90b | 28 | public: |
dwini | 1:8efef658d90b | 29 | /* |
dwini | 1:8efef658d90b | 30 | * TcpDaemon constructor |
dwini | 1:8efef658d90b | 31 | * |
dwini | 1:8efef658d90b | 32 | * @server_port the port the daemon will be listening on |
dwini | 1:8efef658d90b | 33 | */ |
dwini | 2:a8eebf64cd3e | 34 | TcpDaemon(int server_port, PinName receive_led_pin); |
dwini | 1:8efef658d90b | 35 | |
dwini | 1:8efef658d90b | 36 | /* |
dwini | 1:8efef658d90b | 37 | * Make the daemon start listening for incoming connections |
dwini | 1:8efef658d90b | 38 | */ |
dwini | 1:8efef658d90b | 39 | void startListening(); |
dwini | 1:8efef658d90b | 40 | |
dwini | 1:8efef658d90b | 41 | private: |
dwini | 1:8efef658d90b | 42 | /* |
dwini | 1:8efef658d90b | 43 | * Bind to server socket |
dwini | 1:8efef658d90b | 44 | * |
dwini | 1:8efef658d90b | 45 | * @return true on success |
dwini | 1:8efef658d90b | 46 | */ |
dwini | 1:8efef658d90b | 47 | bool bindSocket(); |
dwini | 1:8efef658d90b | 48 | |
dwini | 1:8efef658d90b | 49 | /* |
dwini | 1:8efef658d90b | 50 | * Listen for incoming connections |
dwini | 1:8efef658d90b | 51 | */ |
dwini | 1:8efef658d90b | 52 | void doListen(); |
dwini | 1:8efef658d90b | 53 | }; |
dwini | 1:8efef658d90b | 54 | } |
dwini | 1:8efef658d90b | 55 | |
dwini | 1:8efef658d90b | 56 | #endif |