Jan Korycan / WNCInterface

My fork

Dependencies:   WncControllerK64F

Fork of WNCInterface by Jan Korycan

Socket/WncTCPSocketConnection.cpp@26:81e520908460, 2017-03-24 (annotated)

Committer:
JMF
Date:
Fri Mar 24 21:43:57 2017 +0000
Revision:
26:81e520908460
Parent:
Socket/TCPSocketConnection.cpp@25:52bad4105cac
Child:
28:dceb8da78e6d
Changing WNC Networking Class names to be prefixed with "Wnc" so they don't collide with the standard networking classes.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JMF 1:e511ea8d39d5 1 /* =====================================================================
JMF 1:e511ea8d39d5 2 Copyright © 2016, Avnet (R)
JMF 1:e511ea8d39d5 3 Contributors:
JMF 1:e511ea8d39d5 4 * James M Flynn, www.em.avnet.com
JMF 1:e511ea8d39d5 5
JMF 1:e511ea8d39d5 6 Licensed under the Apache License, Version 2.0 (the "License");
JMF 1:e511ea8d39d5 7 you may not use this file except in compliance with the License.
JMF 1:e511ea8d39d5 8 You may obtain a copy of the License at
JMF 1:e511ea8d39d5 9 http://www.apache.org/licenses/LICENSE-2.0
JMF 1:e511ea8d39d5 10 Unless required by applicable law or agreed to in writing,
JMF 1:e511ea8d39d5 11 software distributed under the License is distributed on an
JMF 1:e511ea8d39d5 12 "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
JMF 1:e511ea8d39d5 13 either express or implied. See the License for the specific
JMF 1:e511ea8d39d5 14 language governing permissions and limitations under the License.
JMF 1:e511ea8d39d5 15 @file WNCInterface.cpp
JMF 1:e511ea8d39d5 16 @version 1.0
JMF 1:e511ea8d39d5 17 @date Sept 2016
JMF 1:e511ea8d39d5 18 ======================================================================== */
JMF 1:e511ea8d39d5 19
JMF 1:e511ea8d39d5 20 #include "../WNCInterface.h"
JMF 1:e511ea8d39d5 21
JMF 26:81e520908460 22 #include "WncSocket.h"
JMF 26:81e520908460 23 #include "WncTCPSocketConnection.h"
JMF 1:e511ea8d39d5 24 #include <cstring>
JMF 1:e511ea8d39d5 25
JMF 11:75cf1e1c921c 26 #define READ_EVERYMS 500 //number of milliseconds between WNC socket reads
JMF 11:75cf1e1c921c 27
JMF 1:e511ea8d39d5 28 TCPSocketConnection::TCPSocketConnection() :
JMF 1:e511ea8d39d5 29 _is_blocking(0),
JMF 1:e511ea8d39d5 30 _btimeout(0){
JMF 1:e511ea8d39d5 31 }
JMF 1:e511ea8d39d5 32
JMF 1:e511ea8d39d5 33 //
JMF 1:e511ea8d39d5 34 // blocking is used to make the WNC keep checking for incoming data for a
JMF 1:e511ea8d39d5 35 // period of time.
JMF 1:e511ea8d39d5 36 //
JMF 1:e511ea8d39d5 37 void TCPSocketConnection::set_blocking (bool blocking, unsigned int timeout) {
JMF 1:e511ea8d39d5 38 _is_blocking = blocking; // true if we want to wait for request
JMF 1:e511ea8d39d5 39 _btimeout = timeout; // user specs msec
JMF 1:e511ea8d39d5 40
JMF 9:9f0578ff157a 41 CHK_WNCFE(( WNCInterface::_pwnc->getWncStatus() == FATAL_FLAG ), void);
JMF 7:fded23f50479 42 M_LOCK;
JMF 1:e511ea8d39d5 43 WNCInterface::_pwnc->setReadRetryWait(0, 0);
JMF 1:e511ea8d39d5 44 WNCInterface::_pwnc->setReadRetries(0, 0);
JMF 7:fded23f50479 45 M_ULOCK;
JMF 1:e511ea8d39d5 46 }
JMF 1:e511ea8d39d5 47
JMF 1:e511ea8d39d5 48
JMF 1:e511ea8d39d5 49 int TCPSocketConnection::connect(const char* host, const int port) {
JMF 1:e511ea8d39d5 50 Socket::connect((char*)host, SOCK_STREAM, port);
JMF 1:e511ea8d39d5 51 _is_blocking = false; // start out not blocking, user will set it if desired
JMF 1:e511ea8d39d5 52 return ( WNCInterface::_pwnc->getWncStatus() == WncController_fk::WncController::WNC_ON )? 0:-1;
JMF 1:e511ea8d39d5 53 }
JMF 1:e511ea8d39d5 54
JMF 1:e511ea8d39d5 55 bool TCPSocketConnection::is_connected(void) {
JMF 1:e511ea8d39d5 56 return ( WNCInterface::_pwnc->getWncStatus() == WncController_fk::WncController::WNC_ON )? 1:0;
JMF 1:e511ea8d39d5 57 }
JMF 1:e511ea8d39d5 58
JMF 1:e511ea8d39d5 59 int TCPSocketConnection::send(char* data, int length) {
JMF 7:fded23f50479 60 int ret = -1;
JMF 7:fded23f50479 61
JMF 1:e511ea8d39d5 62 WncController_fk::WncController::WncState_e s = WNCInterface::_pwnc->getWncStatus();
JMF 1:e511ea8d39d5 63
JMF 9:9f0578ff157a 64 CHK_WNCFE(( s == FATAL_FLAG ), fail);
JMF 1:e511ea8d39d5 65
JMF 7:fded23f50479 66 if( s == WncController_fk::WncController::WNC_ON ) {
JMF 7:fded23f50479 67 M_LOCK;
JMF 25:52bad4105cac 68 if( WNCInterface::_pwnc->write(0, (const uint8_t*)data, length) )
JMF 7:fded23f50479 69 ret = length;
JMF 7:fded23f50479 70 M_ULOCK;
JMF 7:fded23f50479 71 }
JMF 7:fded23f50479 72 return ret;
JMF 1:e511ea8d39d5 73 }
JMF 1:e511ea8d39d5 74
JMF 1:e511ea8d39d5 75 int TCPSocketConnection::receive(char *readBuf, int length) {
JMF 1:e511ea8d39d5 76 Timer t;
JMF 1:e511ea8d39d5 77 size_t done, cnt;
JMF 1:e511ea8d39d5 78 int ret=-1;
JMF 1:e511ea8d39d5 79 WncController_fk::WncController::WncState_e s = WNCInterface::_pwnc->getWncStatus();
JMF 1:e511ea8d39d5 80
JMF 9:9f0578ff157a 81 CHK_WNCFE(( s == FATAL_FLAG ), fail);
JMF 1:e511ea8d39d5 82 if( s != WncController_fk::WncController::WNC_ON )
JMF 1:e511ea8d39d5 83 return ret;
JMF 1:e511ea8d39d5 84
JMF 11:75cf1e1c921c 85 M_LOCK;
JMF 1:e511ea8d39d5 86 t.start();
JMF 1:e511ea8d39d5 87 do {
JMF 11:75cf1e1c921c 88 if( !(t.read_ms() % READ_EVERYMS) )
JMF 11:75cf1e1c921c 89 cnt = WNCInterface::_pwnc->read(0, (uint8_t *)readBuf, (uint32_t) length);
JMF 1:e511ea8d39d5 90 if( _is_blocking )
JMF 1:e511ea8d39d5 91 done = cnt;
JMF 1:e511ea8d39d5 92 else
JMF 1:e511ea8d39d5 93 done = cnt | (t.read_ms() > _btimeout);
JMF 1:e511ea8d39d5 94 }
JMF 1:e511ea8d39d5 95 while( !done );
JMF 1:e511ea8d39d5 96 t.stop();
JMF 7:fded23f50479 97 M_ULOCK;
JMF 7:fded23f50479 98
JMF 1:e511ea8d39d5 99 if( WNCInterface::_pwnc->getWncStatus() == WNC_GOOD ) {
JMF 11:75cf1e1c921c 100 //readBuf[cnt] = '\0';
JMF 1:e511ea8d39d5 101 ret = (int)cnt;
JMF 1:e511ea8d39d5 102 }
JMF 1:e511ea8d39d5 103 else
JMF 1:e511ea8d39d5 104 ret = -1;
JMF 1:e511ea8d39d5 105
JMF 1:e511ea8d39d5 106 return ret;
JMF 1:e511ea8d39d5 107 }
JMF 1:e511ea8d39d5 108
JMF 1:e511ea8d39d5 109 int TCPSocketConnection::send_all(char* data, int length) {
JMF 1:e511ea8d39d5 110 return send(data,length);
JMF 1:e511ea8d39d5 111 }
JMF 1:e511ea8d39d5 112
JMF 1:e511ea8d39d5 113 int TCPSocketConnection::receive_all(char* data, int length) {
JMF 1:e511ea8d39d5 114 return receive(data,length);
JMF 1:e511ea8d39d5 115 }
JMF 1:e511ea8d39d5 116
JMF 1:e511ea8d39d5 117 int TCPSocketConnection::close(void) {
JMF 1:e511ea8d39d5 118 Socket::disconnect();
JMF 7:fded23f50479 119 M_LOCK;
JMF 7:fded23f50479 120 int ret = ( WNCInterface::_pwnc->getWncStatus() == WncController_fk::WncController::WNC_ON )? 0:-1;
JMF 7:fded23f50479 121 M_ULOCK;
JMF 7:fded23f50479 122 return ret;
JMF 1:e511ea8d39d5 123 }
JMF 1:e511ea8d39d5 124