SKTelecom_ThingPlug / GMMP_mbed

ThingPlug GMMP library for mbed

Dependents:   ThingPlug_WiFi_Example_2 ThingPlug_Ethernet_Example ThingPlug_Ethernet_Example_temp_V2

Fork of GMMP_2 by Sangmin Lee

Network/TCPclient/Client.cpp@10:84a748b7d1f6, 2015-08-14 (annotated)

Committer:
lesmin
Date:
Fri Aug 14 09:11:32 2015 +0000
Revision:
10:84a748b7d1f6
Parent:
0:7e575e5f88ec 
added TCP retry codes by WIZnet

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lesmin 0:7e575e5f88ec 1 #include "Client.h"
lesmin 0:7e575e5f88ec 2 #include "mbed.h"
lesmin 0:7e575e5f88ec 3
lesmin 0:7e575e5f88ec 4 #include <stdint.h>
lesmin 0:7e575e5f88ec 5
lesmin 0:7e575e5f88ec 6 Client::Client() : _len(0), _sock() {
lesmin 0:7e575e5f88ec 7 }
lesmin 0:7e575e5f88ec 8
lesmin 0:7e575e5f88ec 9 Client::~Client() {
lesmin 0:7e575e5f88ec 10 }
lesmin 0:7e575e5f88ec 11
lesmin 0:7e575e5f88ec 12 int Client::connect(const char *host, uint16_t port) {
lesmin 0:7e575e5f88ec 13 return _sock.connect(host, port) == 0;
lesmin 0:7e575e5f88ec 14 }
lesmin 0:7e575e5f88ec 15
lesmin 0:7e575e5f88ec 16 size_t Client::write(uint8_t b) {
lesmin 0:7e575e5f88ec 17 //return write(&b, 1);
lesmin 0:7e575e5f88ec 18 return write((char*)&b, 1); //lesmin
lesmin 0:7e575e5f88ec 19 }
lesmin 0:7e575e5f88ec 20
lesmin 0:7e575e5f88ec 21 //size_t Client::write(const uint8_t *buf, size_t size) {
lesmin 0:7e575e5f88ec 22 size_t Client::write(char *buf, size_t size) {
lesmin 0:7e575e5f88ec 23 _sock.set_blocking(false, 1500);
lesmin 0:7e575e5f88ec 24 // NOTE: we know it's dangerous to cast from (const uint8_t *) to (char *),
lesmin 0:7e575e5f88ec 25 // but we are trying to maintain a stable interface between the Arduino
lesmin 0:7e575e5f88ec 26 // one and the mbed one. What's more, while TCPSocketConnection has no
lesmin 0:7e575e5f88ec 27 // intention of modifying the data here, it requires us to send a (char *)
lesmin 0:7e575e5f88ec 28 // typed data. So we belive it's safe to do the cast here.
lesmin 0:7e575e5f88ec 29 //return _sock.send_all(const_cast<char*>((const char*) buf), size);
lesmin 0:7e575e5f88ec 30 return _sock.send_all(buf, size);
lesmin 0:7e575e5f88ec 31 }
lesmin 0:7e575e5f88ec 32
lesmin 0:7e575e5f88ec 33 int Client::available() {
lesmin 0:7e575e5f88ec 34 if (_len > 0) { return 1; }
lesmin 0:7e575e5f88ec 35 int ret = read(_buf, 1);
lesmin 0:7e575e5f88ec 36 if (ret <= 0) { return 0; }
lesmin 0:7e575e5f88ec 37 _len = ret;
lesmin 0:7e575e5f88ec 38 return 1;
lesmin 0:7e575e5f88ec 39 }
lesmin 0:7e575e5f88ec 40
lesmin 0:7e575e5f88ec 41 int Client::read() {
lesmin 0:7e575e5f88ec 42 if (_len > 0) {
lesmin 0:7e575e5f88ec 43 _len = 0;
lesmin 0:7e575e5f88ec 44 return _buf[0];
lesmin 0:7e575e5f88ec 45 }
lesmin 0:7e575e5f88ec 46 return -1;
lesmin 0:7e575e5f88ec 47 }
lesmin 0:7e575e5f88ec 48
lesmin 0:7e575e5f88ec 49 int Client::read(uint8_t *buf, size_t size) {
lesmin 0:7e575e5f88ec 50 return _sock.receive_all((char*) buf, size);
lesmin 0:7e575e5f88ec 51 }
lesmin 0:7e575e5f88ec 52
lesmin 0:7e575e5f88ec 53 void Client::flush() {
lesmin 0:7e575e5f88ec 54 // does nothing, TCP stack takes care of this
lesmin 0:7e575e5f88ec 55 }
lesmin 0:7e575e5f88ec 56
lesmin 0:7e575e5f88ec 57 void Client::stop() {
lesmin 0:7e575e5f88ec 58 _sock.close();
lesmin 0:7e575e5f88ec 59 }
lesmin 0:7e575e5f88ec 60
lesmin 0:7e575e5f88ec 61 uint8_t Client::connected() {
lesmin 0:7e575e5f88ec 62 return _sock.is_connected();
lesmin 0:7e575e5f88ec 63 }