pefect / NetworkSocketAPI

ap

Dependencies:   DnsQuery

Dependents:   WizFi310_TCP_Echo_Server_Example

Fork of NetworkSocketAPI by NetworkSocketAPI

UDPSocket.cpp@96:656011e49d9f, 2016-04-19 (annotated)

Committer:
Christopher Haster
Date:
Tue Apr 19 18:24:34 2016 -0500
Revision:
96:656011e49d9f
Parent:
92:dd5f19874adf
Child:
98:0f614f1d0398
Added better support for SocketAddress/string addresses/ports

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 "UDPSocket.h"
Christopher Haster 82:97d166c4a193 18 #include "Timer.h"
Christopher Haster 79:43a7e8c0d6cc 19
Christopher Haster 90:0a988e4abb72 20 UDPSocket::UDPSocket()
Christopher Haster 90:0a988e4abb72 21 {
Christopher Haster 90:0a988e4abb72 22 }
Christopher Haster 90:0a988e4abb72 23
Christopher Haster 79:43a7e8c0d6cc 24 UDPSocket::UDPSocket(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 UDPSocket::open(NetworkInterface *iface)
Christopher Haster 90:0a988e4abb72 30 {
Christopher Haster 90:0a988e4abb72 31 return Socket::open(iface, NSAPI_UDP);
Christopher Haster 79:43a7e8c0d6cc 32 }
Christopher Haster 79:43a7e8c0d6cc 33
Christopher Haster 79:43a7e8c0d6cc 34 int UDPSocket::bind(uint16_t port)
Christopher Haster 79:43a7e8c0d6cc 35 {
Christopher Haster 96:656011e49d9f 36 SocketAddress addr(0, port);
Christopher Haster 96:656011e49d9f 37 return bind(addr);
Christopher Haster 96:656011e49d9f 38 }
Christopher Haster 96:656011e49d9f 39
Christopher Haster 96:656011e49d9f 40 int UDPSocket::bind(const char *address, uint16_t port)
Christopher Haster 96:656011e49d9f 41 {
Christopher Haster 96:656011e49d9f 42 SocketAddress addr(address, port);
Christopher Haster 96:656011e49d9f 43 return bind(addr);
Christopher Haster 96:656011e49d9f 44 }
Christopher Haster 96:656011e49d9f 45
Christopher Haster 96:656011e49d9f 46 int UDPSocket::bind(const SocketAddress &address)
Christopher Haster 96:656011e49d9f 47 {
Christopher Haster 79:43a7e8c0d6cc 48 if (!_socket) {
geky 86:7ca9776b9cc0 49 return NSAPI_ERROR_NO_SOCKET;
Christopher Haster 79:43a7e8c0d6cc 50 }
Christopher Haster 79:43a7e8c0d6cc 51
Christopher Haster 96:656011e49d9f 52 return _iface->socket_bind(_socket, address);
Christopher Haster 96:656011e49d9f 53 }
Christopher Haster 96:656011e49d9f 54
Christopher Haster 96:656011e49d9f 55 int UDPSocket::sendto(const char *host, uint16_t port, const void *data, unsigned size)
Christopher Haster 96:656011e49d9f 56 {
Christopher Haster 96:656011e49d9f 57 SocketAddress addr(_iface, host, port);
Christopher Haster 96:656011e49d9f 58 if (!addr) {
Christopher Haster 96:656011e49d9f 59 return NSAPI_ERROR_DNS_FAILURE;
Christopher Haster 96:656011e49d9f 60 }
Christopher Haster 96:656011e49d9f 61
Christopher Haster 96:656011e49d9f 62 return sendto(addr, data, size);
Christopher Haster 79:43a7e8c0d6cc 63 }
Christopher Haster 79:43a7e8c0d6cc 64
Christopher Haster 80:9c6673c93082 65 int UDPSocket::sendto(const SocketAddress &address, const void *data, unsigned size)
Christopher Haster 79:43a7e8c0d6cc 66 {
Christopher Haster 82:97d166c4a193 67 mbed::Timer timer;
Christopher Haster 82:97d166c4a193 68 timer.start();
Christopher Haster 82:97d166c4a193 69
Christopher Haster 82:97d166c4a193 70 while (true) {
Christopher Haster 82:97d166c4a193 71 if (!_socket) {
Christopher Haster 82:97d166c4a193 72 return NSAPI_ERROR_NO_SOCKET;
Christopher Haster 82:97d166c4a193 73 }
Christopher Haster 82:97d166c4a193 74
Christopher Haster 82:97d166c4a193 75 int sent = _iface->socket_sendto(_socket, address, data, size);
Christopher Haster 82:97d166c4a193 76 if (sent != NSAPI_ERROR_WOULD_BLOCK || !_blocking ||
Christopher Haster 82:97d166c4a193 77 (_timeout && timer.read_ms() > _timeout)) {
Christopher Haster 82:97d166c4a193 78 return sent;
Christopher Haster 82:97d166c4a193 79 }
Christopher Haster 79:43a7e8c0d6cc 80 }
Christopher Haster 79:43a7e8c0d6cc 81 }
Christopher Haster 79:43a7e8c0d6cc 82
Christopher Haster 79:43a7e8c0d6cc 83 int UDPSocket::recvfrom(SocketAddress *address, void *buffer, unsigned size)
Christopher Haster 79:43a7e8c0d6cc 84 {
Christopher Haster 82:97d166c4a193 85 mbed::Timer timer;
Christopher Haster 82:97d166c4a193 86 timer.start();
Christopher Haster 82:97d166c4a193 87
Christopher Haster 82:97d166c4a193 88 while (true) {
Christopher Haster 82:97d166c4a193 89 if (!_socket) {
Christopher Haster 82:97d166c4a193 90 return NSAPI_ERROR_NO_SOCKET;
Christopher Haster 82:97d166c4a193 91 }
Christopher Haster 82:97d166c4a193 92
Christopher Haster 82:97d166c4a193 93 int recv = _iface->socket_recvfrom(_socket, address, buffer, size);
Christopher Haster 82:97d166c4a193 94 if (recv != NSAPI_ERROR_WOULD_BLOCK || !_blocking ||
Christopher Haster 82:97d166c4a193 95 (_timeout && timer.read_ms() > _timeout)) {
Christopher Haster 82:97d166c4a193 96 return recv;
Christopher Haster 82:97d166c4a193 97 }
Christopher Haster 79:43a7e8c0d6cc 98 }
Christopher Haster 79:43a7e8c0d6cc 99 }