DongEun Koak / NetworkSocketAPI

NetworkSocketAPI

Dependencies:   DnsQuery

Dependents:   HelloWizFi250Interface

Fork of NetworkSocketAPI by NetworkSocketAPI

TCPSocket.cpp@102:9002476b9136, 2016-04-19 (annotated)

Committer:
Christopher Haster
Date:
Tue Apr 19 18:26:03 2016 -0500
Revision:
102:9002476b9136
Parent:
96:656011e49d9f
Child:
105:2fd212f8da61
Removed is_connected function



- Not supported by TCP/UDP protocols

- Uncommon and less useful with proper error handling

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 79:43a7e8c0d6cc 24 TCPSocket::TCPSocket(NetworkInterface *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 90:0a988e4abb72 29 int TCPSocket::open(NetworkInterface *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 82:97d166c4a193 57
Christopher Haster 82:97d166c4a193 58 while (true) {
Christopher Haster 82:97d166c4a193 59 if (!_socket) {
Christopher Haster 82:97d166c4a193 60 return NSAPI_ERROR_NO_SOCKET;
Christopher Haster 82:97d166c4a193 61 }
Christopher Haster 82:97d166c4a193 62
Christopher Haster 82:97d166c4a193 63 int sent = _iface->socket_send(_socket, data, size);
Christopher Haster 82:97d166c4a193 64 if (sent != NSAPI_ERROR_WOULD_BLOCK || !_blocking ||
Christopher Haster 82:97d166c4a193 65 (_timeout && timer.read_ms() > _timeout)) {
Christopher Haster 82:97d166c4a193 66 return sent;
Christopher Haster 82:97d166c4a193 67 }
Christopher Haster 79:43a7e8c0d6cc 68 }
Christopher Haster 79:43a7e8c0d6cc 69 }
Christopher Haster 79:43a7e8c0d6cc 70
Christopher Haster 79:43a7e8c0d6cc 71 int TCPSocket::recv(void *data, unsigned size)
Christopher Haster 79:43a7e8c0d6cc 72 {
Christopher Haster 82:97d166c4a193 73 mbed::Timer timer;
Christopher Haster 82:97d166c4a193 74 timer.start();
Christopher Haster 82:97d166c4a193 75
Christopher Haster 82:97d166c4a193 76 while (true) {
Christopher Haster 82:97d166c4a193 77 if (!_socket) {
Christopher Haster 82:97d166c4a193 78 return NSAPI_ERROR_NO_SOCKET;
Christopher Haster 82:97d166c4a193 79 }
Christopher Haster 82:97d166c4a193 80
Christopher Haster 82:97d166c4a193 81 int recv = _iface->socket_recv(_socket, data, size);
Christopher Haster 82:97d166c4a193 82 if (recv != NSAPI_ERROR_WOULD_BLOCK || !_blocking ||
Christopher Haster 82:97d166c4a193 83 (_timeout && timer.read_ms() > _timeout)) {
Christopher Haster 82:97d166c4a193 84 return recv;
Christopher Haster 82:97d166c4a193 85 }
Christopher Haster 79:43a7e8c0d6cc 86 }
Christopher Haster 79:43a7e8c0d6cc 87 }