For mbed OS-5 version for WIZnet Ethernet Interface, this is Library using Hardware TCP/IP chip, W5500 and TCP/IP Offload Engine, W7500.
Warning
- If you want to use existing codes, you need to change the class used as EthernetInterface to WIZnetInterface.
This is WIZnet Ethernet Interface using Hardware TCP/IP chip, W5500 and TCP/IP Offload Engine, W7500.
- WIZwiki_W7500 : /platforms/WIZwiki-W7500/
- WIZwiki_W7500P : /platforms/WIZwiki-W7500P/
- WIZwiki_W7500ECO : /platforms/WIZwiki-W7500ECO/
- W5500 Ethernet Shield : /components/W5500-Ethernet-Kit-for-IoT/
This library is an Ethernet Interface library port-based on [EthernetInterface](https://developer.mbed.org/users/mbed_official/code/EthernetInterface/docs/tip/).
For more detail, visit http://embeddist.blogspot.kr/2015/06/wiznetinterface-for-armmbed.html
Socket/TCPSocketServer.cpp@0:d4c8fe4d9b29, 2017-09-04 (annotated)
- Committer:
- justinkim
- Date:
- Mon Sep 04 00:23:04 2017 +0000
- Revision:
- 0:d4c8fe4d9b29
mbed OS 5 version migration...
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
justinkim | 0:d4c8fe4d9b29 | 1 | /* Copyright (C) 2012 mbed.org, MIT License |
justinkim | 0:d4c8fe4d9b29 | 2 | * |
justinkim | 0:d4c8fe4d9b29 | 3 | * Permission is hereby granted, free of charge, to any person obtaining a copy of this software |
justinkim | 0:d4c8fe4d9b29 | 4 | * and associated documentation files (the "Software"), to deal in the Software without restriction, |
justinkim | 0:d4c8fe4d9b29 | 5 | * including without limitation the rights to use, copy, modify, merge, publish, distribute, |
justinkim | 0:d4c8fe4d9b29 | 6 | * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is |
justinkim | 0:d4c8fe4d9b29 | 7 | * furnished to do so, subject to the following conditions: |
justinkim | 0:d4c8fe4d9b29 | 8 | * |
justinkim | 0:d4c8fe4d9b29 | 9 | * The above copyright notice and this permission notice shall be included in all copies or |
justinkim | 0:d4c8fe4d9b29 | 10 | * substantial portions of the Software. |
justinkim | 0:d4c8fe4d9b29 | 11 | * |
justinkim | 0:d4c8fe4d9b29 | 12 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
justinkim | 0:d4c8fe4d9b29 | 13 | * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
justinkim | 0:d4c8fe4d9b29 | 14 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
justinkim | 0:d4c8fe4d9b29 | 15 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
justinkim | 0:d4c8fe4d9b29 | 16 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
justinkim | 0:d4c8fe4d9b29 | 17 | */ |
justinkim | 0:d4c8fe4d9b29 | 18 | |
justinkim | 0:d4c8fe4d9b29 | 19 | #include "TCPSocketServer.h" |
justinkim | 0:d4c8fe4d9b29 | 20 | |
justinkim | 0:d4c8fe4d9b29 | 21 | TCPSocketServer::TCPSocketServer() {} |
justinkim | 0:d4c8fe4d9b29 | 22 | |
justinkim | 0:d4c8fe4d9b29 | 23 | // Server initialization |
justinkim | 0:d4c8fe4d9b29 | 24 | int TCPSocketServer::bind(int port) |
justinkim | 0:d4c8fe4d9b29 | 25 | { |
justinkim | 0:d4c8fe4d9b29 | 26 | // set the listen_port for next connection. |
justinkim | 0:d4c8fe4d9b29 | 27 | listen_port = port; |
justinkim | 0:d4c8fe4d9b29 | 28 | if (_sock_fd < 0) { |
justinkim | 0:d4c8fe4d9b29 | 29 | _sock_fd = eth->new_socket(); |
justinkim | 0:d4c8fe4d9b29 | 30 | if (_sock_fd < 0) { |
justinkim | 0:d4c8fe4d9b29 | 31 | return -1; |
justinkim | 0:d4c8fe4d9b29 | 32 | } |
justinkim | 0:d4c8fe4d9b29 | 33 | } |
justinkim | 0:d4c8fe4d9b29 | 34 | // set TCP protocol |
justinkim | 0:d4c8fe4d9b29 | 35 | eth->setProtocol(_sock_fd, WIZnet_Chip::TCP); |
justinkim | 0:d4c8fe4d9b29 | 36 | // set local port |
justinkim | 0:d4c8fe4d9b29 | 37 | eth->sreg<uint16_t>(_sock_fd, Sn_PORT, port); |
justinkim | 0:d4c8fe4d9b29 | 38 | // connect the network |
justinkim | 0:d4c8fe4d9b29 | 39 | eth->scmd(_sock_fd, WIZnet_Chip::OPEN); |
justinkim | 0:d4c8fe4d9b29 | 40 | return 0; |
justinkim | 0:d4c8fe4d9b29 | 41 | } |
justinkim | 0:d4c8fe4d9b29 | 42 | |
justinkim | 0:d4c8fe4d9b29 | 43 | int TCPSocketServer::listen(int backlog) |
justinkim | 0:d4c8fe4d9b29 | 44 | { |
justinkim | 0:d4c8fe4d9b29 | 45 | if (_sock_fd < 0) { |
justinkim | 0:d4c8fe4d9b29 | 46 | return -1; |
justinkim | 0:d4c8fe4d9b29 | 47 | } |
justinkim | 0:d4c8fe4d9b29 | 48 | if (backlog != 1) { |
justinkim | 0:d4c8fe4d9b29 | 49 | return -1; |
justinkim | 0:d4c8fe4d9b29 | 50 | } |
justinkim | 0:d4c8fe4d9b29 | 51 | eth->scmd(_sock_fd, WIZnet_Chip::LISTEN); |
justinkim | 0:d4c8fe4d9b29 | 52 | return 0; |
justinkim | 0:d4c8fe4d9b29 | 53 | } |
justinkim | 0:d4c8fe4d9b29 | 54 | |
justinkim | 0:d4c8fe4d9b29 | 55 | |
justinkim | 0:d4c8fe4d9b29 | 56 | int TCPSocketServer::accept(TCPSocketConnection& connection) |
justinkim | 0:d4c8fe4d9b29 | 57 | { |
justinkim | 0:d4c8fe4d9b29 | 58 | if (_sock_fd < 0) { |
justinkim | 0:d4c8fe4d9b29 | 59 | return -1; |
justinkim | 0:d4c8fe4d9b29 | 60 | } |
justinkim | 0:d4c8fe4d9b29 | 61 | Timer t; |
justinkim | 0:d4c8fe4d9b29 | 62 | t.reset(); |
justinkim | 0:d4c8fe4d9b29 | 63 | t.start(); |
justinkim | 0:d4c8fe4d9b29 | 64 | while(1) { |
justinkim | 0:d4c8fe4d9b29 | 65 | if (t.read_ms() > _timeout && _blocking == false) { |
justinkim | 0:d4c8fe4d9b29 | 66 | return -1; |
justinkim | 0:d4c8fe4d9b29 | 67 | } |
justinkim | 0:d4c8fe4d9b29 | 68 | if (eth->sreg<uint8_t>(_sock_fd, Sn_SR) == WIZnet_Chip::SOCK_ESTABLISHED) { |
justinkim | 0:d4c8fe4d9b29 | 69 | break; |
justinkim | 0:d4c8fe4d9b29 | 70 | } |
justinkim | 0:d4c8fe4d9b29 | 71 | } |
justinkim | 0:d4c8fe4d9b29 | 72 | uint32_t ip = eth->sreg<uint32_t>(_sock_fd, Sn_DIPR); |
justinkim | 0:d4c8fe4d9b29 | 73 | char host[16]; |
justinkim | 0:d4c8fe4d9b29 | 74 | snprintf(host, sizeof(host), "%d.%d.%d.%d", (ip>>24)&0xff, (ip>>16)&0xff, (ip>>8)&0xff, ip&0xff); |
justinkim | 0:d4c8fe4d9b29 | 75 | uint16_t port = eth->sreg<uint16_t>(_sock_fd, Sn_DPORT); |
justinkim | 0:d4c8fe4d9b29 | 76 | |
justinkim | 0:d4c8fe4d9b29 | 77 | // change this server socket to connection socket. |
justinkim | 0:d4c8fe4d9b29 | 78 | connection._sock_fd = _sock_fd; |
justinkim | 0:d4c8fe4d9b29 | 79 | connection._is_connected = true; |
justinkim | 0:d4c8fe4d9b29 | 80 | connection.set_address(host, port); |
justinkim | 0:d4c8fe4d9b29 | 81 | |
justinkim | 0:d4c8fe4d9b29 | 82 | // and then, for the next connection, server socket should be assigned new one. |
justinkim | 0:d4c8fe4d9b29 | 83 | _sock_fd = -1; // want to assign new available _sock_fd. |
justinkim | 0:d4c8fe4d9b29 | 84 | if(bind(listen_port) < 0) { |
justinkim | 0:d4c8fe4d9b29 | 85 | // modified by Patrick Pollet |
justinkim | 0:d4c8fe4d9b29 | 86 | error("No more socket for listening, bind error"); |
justinkim | 0:d4c8fe4d9b29 | 87 | return -1; |
justinkim | 0:d4c8fe4d9b29 | 88 | } else { |
justinkim | 0:d4c8fe4d9b29 | 89 | //return -1; |
justinkim | 0:d4c8fe4d9b29 | 90 | if(listen(1) < 0) { |
justinkim | 0:d4c8fe4d9b29 | 91 | // modified by Patrick Pollet |
justinkim | 0:d4c8fe4d9b29 | 92 | error("No more socket for listening, listen error"); |
justinkim | 0:d4c8fe4d9b29 | 93 | return -1; |
justinkim | 0:d4c8fe4d9b29 | 94 | } |
justinkim | 0:d4c8fe4d9b29 | 95 | } |
justinkim | 0:d4c8fe4d9b29 | 96 | |
justinkim | 0:d4c8fe4d9b29 | 97 | return 0; |
justinkim | 0:d4c8fe4d9b29 | 98 | } |