DongEun Koak / NetworkSocketAPI

NetworkSocketAPI

Dependencies:   DnsQuery

Dependents:   HelloWizFi250Interface

Fork of NetworkSocketAPI by NetworkSocketAPI

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

Committer:
kaizen
Date:
Tue Aug 30 02:00:24 2016 +0000
Revision:
127:086a648760a3
Parent:
119:4f8b720d512a 
Added some delay for waiting to receive response of query.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Christopher Haster 89:b1d417383c0d 1 /* Socket
Christopher Haster 89:b1d417383c0d 2 * Copyright (c) 2015 ARM Limited
Christopher Haster 89:b1d417383c0d 3 *
Christopher Haster 89:b1d417383c0d 4 * Licensed under the Apache License, Version 2.0 (the "License");
Christopher Haster 89:b1d417383c0d 5 * you may not use this file except in compliance with the License.
Christopher Haster 89:b1d417383c0d 6 * You may obtain a copy of the License at
Christopher Haster 89:b1d417383c0d 7 *
Christopher Haster 89:b1d417383c0d 8 * http://www.apache.org/licenses/LICENSE-2.0
Christopher Haster 89:b1d417383c0d 9 *
Christopher Haster 89:b1d417383c0d 10 * Unless required by applicable law or agreed to in writing, software
Christopher Haster 89:b1d417383c0d 11 * distributed under the License is distributed on an "AS IS" BASIS,
Christopher Haster 89:b1d417383c0d 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Christopher Haster 89:b1d417383c0d 13 * See the License for the specific language governing permissions and
Christopher Haster 89:b1d417383c0d 14 * limitations under the License.
Christopher Haster 89:b1d417383c0d 15 */
Christopher Haster 89:b1d417383c0d 16
Christopher Haster 89:b1d417383c0d 17 #include "TCPServer.h"
Christopher Haster 89:b1d417383c0d 18 #include "Timer.h"
Christopher Haster 89:b1d417383c0d 19
Christopher Haster 90:0a988e4abb72 20 TCPServer::TCPServer()
Christopher Haster 90:0a988e4abb72 21 {
Christopher Haster 90:0a988e4abb72 22 }
Christopher Haster 90:0a988e4abb72 23
Christopher Haster 105:2fd212f8da61 24 TCPServer::TCPServer(NetworkStack *iface)
Christopher Haster 89:b1d417383c0d 25 {
Christopher Haster 90:0a988e4abb72 26 open(iface);
Christopher Haster 90:0a988e4abb72 27 }
Christopher Haster 90:0a988e4abb72 28
Christopher Haster 105:2fd212f8da61 29 int TCPServer::open(NetworkStack *iface)
Christopher Haster 90:0a988e4abb72 30 {
Christopher Haster 90:0a988e4abb72 31 return Socket::open(iface, NSAPI_TCP);
Christopher Haster 89:b1d417383c0d 32 }
Christopher Haster 89:b1d417383c0d 33
Christopher Haster 89:b1d417383c0d 34 int TCPServer::listen(int backlog)
Christopher Haster 89:b1d417383c0d 35 {
Christopher Haster 89:b1d417383c0d 36 if (!_socket) {
Christopher Haster 89:b1d417383c0d 37 return NSAPI_ERROR_NO_SOCKET;
Christopher Haster 89:b1d417383c0d 38 }
Christopher Haster 89:b1d417383c0d 39
Christopher Haster 89:b1d417383c0d 40 return _iface->socket_listen(_socket, backlog);
Christopher Haster 89:b1d417383c0d 41 }
Christopher Haster 89:b1d417383c0d 42
Christopher Haster 89:b1d417383c0d 43 int TCPServer::accept(TCPSocket *connection)
Christopher Haster 89:b1d417383c0d 44 {
Christopher Haster 89:b1d417383c0d 45 mbed::Timer timer;
Christopher Haster 89:b1d417383c0d 46 timer.start();
Christopher Haster 118:96627c4b83d5 47 mbed::Timeout timeout;
Christopher Haster 118:96627c4b83d5 48 if (_timeout >= 0) {
Christopher Haster 118:96627c4b83d5 49 timeout.attach_us(&Socket::wakeup, _timeout * 1000);
Christopher Haster 118:96627c4b83d5 50 }
Christopher Haster 89:b1d417383c0d 51
Christopher Haster 90:0a988e4abb72 52 if (connection->_socket) {
Christopher Haster 90:0a988e4abb72 53 connection->close();
Christopher Haster 90:0a988e4abb72 54 }
Christopher Haster 89:b1d417383c0d 55
Christopher Haster 89:b1d417383c0d 56 while (true) {
Christopher Haster 89:b1d417383c0d 57 if (!_socket) {
Christopher Haster 89:b1d417383c0d 58 return NSAPI_ERROR_NO_SOCKET;
Christopher Haster 89:b1d417383c0d 59 }
Christopher Haster 89:b1d417383c0d 60
Christopher Haster 90:0a988e4abb72 61 void *socket;
Christopher Haster 93:65a9f84862f0 62 int err = _iface->socket_accept(&socket, _socket);
Christopher Haster 93:65a9f84862f0 63 if (!err) {
Christopher Haster 119:4f8b720d512a 64 connection->_iface = _iface;
Christopher Haster 89:b1d417383c0d 65 connection->_socket = socket;
Christopher Haster 89:b1d417383c0d 66 }
Christopher Haster 89:b1d417383c0d 67
Christopher Haster 115:950b19eb0f02 68 if (err != NSAPI_ERROR_WOULD_BLOCK
Christopher Haster 118:96627c4b83d5 69 || (_timeout >= 0 && timer.read_ms() >= _timeout)) {
Christopher Haster 89:b1d417383c0d 70 return err;
Christopher Haster 89:b1d417383c0d 71 }
Christopher Haster 116:bc043343d753 72
Christopher Haster 116:bc043343d753 73 __WFI();
Christopher Haster 89:b1d417383c0d 74 }
Christopher Haster 89:b1d417383c0d 75 }