arduino-0017-linux-x64
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extern "C" {
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#include "types.h"
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#include "w5100.h"
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#include "socket.h"
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#include "string.h"
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}
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#include "Ethernet.h"
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#include "Client.h"
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#include "Server.h"
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Server::Server(uint16_t port)
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{
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_port = port;
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}
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void Server::begin()
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{
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for (int sock = 0; sock < MAX_SOCK_NUM; sock++) {
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Client client(sock);
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if (client.status() == SOCK_CLOSED) {
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socket(sock, Sn_MR_TCP, _port, 0);
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listen(sock);
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EthernetClass::_server_port[sock] = _port;
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break;
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}
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}
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}
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void Server::accept()
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{
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int listening = 0;
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for (int sock = 0; sock < MAX_SOCK_NUM; sock++) {
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Client client(sock);
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if (EthernetClass::_server_port[sock] == _port) {
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if (client.status() == SOCK_LISTEN) {
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listening = 1;
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} else if (client.status() == SOCK_CLOSE_WAIT && !client.available()) {
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client.stop();
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}
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}
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}
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if (!listening) {
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begin();
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}
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}
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Client Server::available()
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{
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accept();
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for (int sock = 0; sock < MAX_SOCK_NUM; sock++) {
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Client client(sock);
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if (EthernetClass::_server_port[sock] == _port &&
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client.status() == SOCK_ESTABLISHED) {
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if (client.available()) {
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// XXX: don't always pick the lowest numbered socket.
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return client;
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}
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}
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}
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return Client(255);
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}
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void Server::write(uint8_t b)
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{
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write(&b, 1);
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}
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void Server::write(const char *str)
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{
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write((const uint8_t *)str, strlen(str));
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}
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void Server::write(const uint8_t *buffer, size_t size)
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{
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accept();
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for (int sock = 0; sock < MAX_SOCK_NUM; sock++) {
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Client client(sock);
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if (EthernetClass::_server_port[sock] == _port &&
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client.status() == SOCK_ESTABLISHED) {
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client.write(buffer, size);
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}
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}
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}
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