78 lines
2.2 KiB
C++
78 lines
2.2 KiB
C++
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/*
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Server.cpp - Server class for Raspberry Pi
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Copyright (c) 2016 Hristo Gochkov All right reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "WiFiServer.h"
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#include <lwip/sockets.h>
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#include <lwip/netdb.h>
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#undef write
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int WiFiServer::setTimeout(uint32_t seconds){
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struct timeval tv;
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tv.tv_sec = seconds;
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tv.tv_usec = 0;
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if(setsockopt(sockfd, SOL_SOCKET, SO_RCVTIMEO, (char *)&tv, sizeof(struct timeval)) < 0)
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return -1;
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return setsockopt(sockfd, SOL_SOCKET, SO_SNDTIMEO, (char *)&tv, sizeof(struct timeval));
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}
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size_t WiFiServer::write(const uint8_t *data, size_t len){
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return 0;
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}
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void WiFiServer::stopAll(){}
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WiFiClient WiFiServer::available(){
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if(!_listening)
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return WiFiClient();
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struct sockaddr_in _client;
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int cs = sizeof(struct sockaddr_in);
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int client_sock = accept(sockfd, (struct sockaddr *)&_client, (socklen_t*)&cs);
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if(client_sock >= 0){
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int val = 1;
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if(setsockopt(client_sock, SOL_SOCKET, SO_KEEPALIVE, (char*)&val, sizeof(int)) == ESP_OK)
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return WiFiClient(client_sock);
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}
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return WiFiClient();
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}
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void WiFiServer::begin(){
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if(_listening)
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return;
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struct sockaddr_in server;
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sockfd = socket(AF_INET , SOCK_STREAM, 0);
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if (sockfd < 0)
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return;
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server.sin_family = AF_INET;
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server.sin_addr.s_addr = INADDR_ANY;
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server.sin_port = htons(_port);
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if(bind(sockfd, (struct sockaddr *)&server, sizeof(server)) < 0)
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return;
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if(listen(sockfd , _max_clients) < 0)
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return;
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fcntl(sockfd, F_SETFL, O_NONBLOCK);
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_listening = true;
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}
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void WiFiServer::end(){
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close(sockfd);
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sockfd = -1;
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_listening = false;
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}
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