DongEun Koak / NetworkSocketAPI

NetworkSocketAPI

Dependencies:   DnsQuery

Dependents:   HelloWizFi250Interface

Fork of NetworkSocketAPI by NetworkSocketAPI

TCPSocket.cpp@127:086a648760a3, 2016-08-30 (annotated)

Committer:
kaizen
Date:
Tue Aug 30 02:00:24 2016 +0000
Revision:
127:086a648760a3
Parent:
118:96627c4b83d5 
Added some delay for waiting to receive response of query.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Christopher Haster 79:43a7e8c0d6cc 1 /* Socket
Christopher Haster 79:43a7e8c0d6cc 2 * Copyright (c) 2015 ARM Limited
Christopher Haster 79:43a7e8c0d6cc 3 *
Christopher Haster 79:43a7e8c0d6cc 4 * Licensed under the Apache License, Version 2.0 (the "License");
Christopher Haster 79:43a7e8c0d6cc 5 * you may not use this file except in compliance with the License.
Christopher Haster 79:43a7e8c0d6cc 6 * You may obtain a copy of the License at
Christopher Haster 79:43a7e8c0d6cc 7 *
Christopher Haster 79:43a7e8c0d6cc 8 * http://www.apache.org/licenses/LICENSE-2.0
Christopher Haster 79:43a7e8c0d6cc 9 *
Christopher Haster 79:43a7e8c0d6cc 10 * Unless required by applicable law or agreed to in writing, software
Christopher Haster 79:43a7e8c0d6cc 11 * distributed under the License is distributed on an "AS IS" BASIS,
Christopher Haster 79:43a7e8c0d6cc 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Christopher Haster 79:43a7e8c0d6cc 13 * See the License for the specific language governing permissions and
Christopher Haster 79:43a7e8c0d6cc 14 * limitations under the License.
Christopher Haster 79:43a7e8c0d6cc 15 */
Christopher Haster 79:43a7e8c0d6cc 16
Christopher Haster 79:43a7e8c0d6cc 17 #include "TCPSocket.h"
Christopher Haster 82:97d166c4a193 18 #include "Timer.h"
Christopher Haster 79:43a7e8c0d6cc 19
Christopher Haster 90:0a988e4abb72 20 TCPSocket::TCPSocket()
Christopher Haster 90:0a988e4abb72 21 {
Christopher Haster 90:0a988e4abb72 22 }
Christopher Haster 90:0a988e4abb72 23
Christopher Haster 105:2fd212f8da61 24 TCPSocket::TCPSocket(NetworkStack *iface)
Christopher Haster 79:43a7e8c0d6cc 25 {
Christopher Haster 90:0a988e4abb72 26 open(iface);
Christopher Haster 90:0a988e4abb72 27 }
Christopher Haster 90:0a988e4abb72 28
Christopher Haster 105:2fd212f8da61 29 int TCPSocket::open(NetworkStack *iface)
Christopher Haster 90:0a988e4abb72 30 {
Christopher Haster 90:0a988e4abb72 31 return Socket::open(iface, NSAPI_TCP);
Christopher Haster 79:43a7e8c0d6cc 32 }
Christopher Haster 79:43a7e8c0d6cc 33
Christopher Haster 80:9c6673c93082 34 int TCPSocket::connect(const SocketAddress &addr)
Christopher Haster 79:43a7e8c0d6cc 35 {
Christopher Haster 79:43a7e8c0d6cc 36 if (!_socket) {
Christopher Haster 79:43a7e8c0d6cc 37 return NSAPI_ERROR_NO_SOCKET;
Christopher Haster 79:43a7e8c0d6cc 38 }
Christopher Haster 79:43a7e8c0d6cc 39
Christopher Haster 79:43a7e8c0d6cc 40 return _iface->socket_connect(_socket, addr);
Christopher Haster 79:43a7e8c0d6cc 41 }
Christopher Haster 79:43a7e8c0d6cc 42
Christopher Haster 79:43a7e8c0d6cc 43 int TCPSocket::connect(const char *host, uint16_t port)
Christopher Haster 79:43a7e8c0d6cc 44 {
Christopher Haster 80:9c6673c93082 45 SocketAddress addr(_iface, host, port);
Christopher Haster 96:656011e49d9f 46 if (!addr) {
Christopher Haster 79:43a7e8c0d6cc 47 return NSAPI_ERROR_DNS_FAILURE;
Christopher Haster 79:43a7e8c0d6cc 48 }
Christopher Haster 79:43a7e8c0d6cc 49
Christopher Haster 79:43a7e8c0d6cc 50 return connect(addr);
Christopher Haster 79:43a7e8c0d6cc 51 }
Christopher Haster 79:43a7e8c0d6cc 52
Christopher Haster 79:43a7e8c0d6cc 53 int TCPSocket::send(const void *data, unsigned size)
Christopher Haster 79:43a7e8c0d6cc 54 {
Christopher Haster 82:97d166c4a193 55 mbed::Timer timer;
Christopher Haster 82:97d166c4a193 56 timer.start();
Christopher Haster 118:96627c4b83d5 57 mbed::Timeout timeout;
Christopher Haster 118:96627c4b83d5 58 if (_timeout >= 0) {
Christopher Haster 118:96627c4b83d5 59 timeout.attach_us(&Socket::wakeup, _timeout * 1000);
Christopher Haster 118:96627c4b83d5 60 }
Christopher Haster 82:97d166c4a193 61
Christopher Haster 82:97d166c4a193 62 while (true) {
Christopher Haster 82:97d166c4a193 63 if (!_socket) {
Christopher Haster 82:97d166c4a193 64 return NSAPI_ERROR_NO_SOCKET;
Christopher Haster 82:97d166c4a193 65 }
Christopher Haster 82:97d166c4a193 66
Christopher Haster 82:97d166c4a193 67 int sent = _iface->socket_send(_socket, data, size);
Christopher Haster 115:950b19eb0f02 68 if (sent != NSAPI_ERROR_WOULD_BLOCK
Christopher Haster 118:96627c4b83d5 69 || (_timeout >= 0 && timer.read_ms() >= _timeout)) {
Christopher Haster 82:97d166c4a193 70 return sent;
Christopher Haster 82:97d166c4a193 71 }
Christopher Haster 116:bc043343d753 72
Christopher Haster 116:bc043343d753 73 __WFI();
Christopher Haster 79:43a7e8c0d6cc 74 }
Christopher Haster 79:43a7e8c0d6cc 75 }
Christopher Haster 79:43a7e8c0d6cc 76
Christopher Haster 79:43a7e8c0d6cc 77 int TCPSocket::recv(void *data, unsigned size)
Christopher Haster 79:43a7e8c0d6cc 78 {
Christopher Haster 82:97d166c4a193 79 mbed::Timer timer;
Christopher Haster 82:97d166c4a193 80 timer.start();
Christopher Haster 118:96627c4b83d5 81 mbed::Timeout timeout;
Christopher Haster 118:96627c4b83d5 82 if (_timeout >= 0) {
Christopher Haster 118:96627c4b83d5 83 timeout.attach_us(&Socket::wakeup, _timeout * 1000);
Christopher Haster 118:96627c4b83d5 84 }
Christopher Haster 82:97d166c4a193 85
Christopher Haster 82:97d166c4a193 86 while (true) {
Christopher Haster 82:97d166c4a193 87 if (!_socket) {
Christopher Haster 82:97d166c4a193 88 return NSAPI_ERROR_NO_SOCKET;
Christopher Haster 82:97d166c4a193 89 }
Christopher Haster 82:97d166c4a193 90
Christopher Haster 82:97d166c4a193 91 int recv = _iface->socket_recv(_socket, data, size);
Christopher Haster 115:950b19eb0f02 92 if (recv != NSAPI_ERROR_WOULD_BLOCK
Christopher Haster 118:96627c4b83d5 93 || (_timeout >= 0 && timer.read_ms() >= _timeout)) {
Christopher Haster 82:97d166c4a193 94 return recv;
Christopher Haster 82:97d166c4a193 95 }
Christopher Haster 116:bc043343d753 96
Christopher Haster 116:bc043343d753 97 __WFI();
Christopher Haster 79:43a7e8c0d6cc 98 }
Christopher Haster 79:43a7e8c0d6cc 99 }