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#include "w5100.h"
#include "socket.h"
extern "C" {
#include "string.h"
}
#include "Ethernet.h"
#include "EthernetClient.h"
#include "EthernetServer.h"
EthernetServer::EthernetServer(uint16_t port)
{
_port = port;
}
void EthernetServer::begin()
{
for (int sock = 0; sock < MAX_SOCK_NUM; sock++) {
EthernetClient client(sock);
if (client.status() == SnSR::CLOSED) {
socket(sock, SnMR::TCP, _port, 0);
listen(sock);
EthernetClass::_server_port[sock] = _port;
break;
}
}
}
void EthernetServer::accept()
{
int listening = 0;
for (int sock = 0; sock < MAX_SOCK_NUM; sock++) {
EthernetClient client(sock);
if (EthernetClass::_server_port[sock] == _port) {
if (client.status() == SnSR::LISTEN) {
listening = 1;
}
else if (client.status() == SnSR::CLOSE_WAIT && !client.available()) {
client.stop();
}
}
}
if (!listening) {
begin();
}
}
EthernetClient EthernetServer::available()
{
accept();
for (int sock = 0; sock < MAX_SOCK_NUM; sock++) {
EthernetClient client(sock);
if (EthernetClass::_server_port[sock] == _port &&
(client.status() == SnSR::ESTABLISHED ||
client.status() == SnSR::CLOSE_WAIT)) {
if (client.available()) {
// XXX: don't always pick the lowest numbered socket.
return client;
}
}
}
return EthernetClient(MAX_SOCK_NUM);
}
size_t EthernetServer::write(uint8_t b)
{
return write(&b, 1);
}
size_t EthernetServer::write(const uint8_t *buffer, size_t size)
{
size_t n = 0;
accept();
for (int sock = 0; sock < MAX_SOCK_NUM; sock++) {
EthernetClient client(sock);
if (EthernetClass::_server_port[sock] == _port &&
client.status() == SnSR::ESTABLISHED) {
n += client.write(buffer, size);
}
}
return n;
}
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