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Add Server and UDP and fix WiFi.hostByName

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This commit is contained in:
me-no-dev
2016-12-30 02:44:45 +02:00
parent f6d4843680
commit e383a11291
45 changed files with 682 additions and 166 deletions
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77
libraries/WiFi/src/WiFiServer.cpp Normal file
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/*
Server.cpp - Server class for Raspberry Pi
Copyright (c) 2016 Hristo Gochkov All right reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "WiFiServer.h"
#include <lwip/sockets.h>
#include <lwip/netdb.h>
#undef write
int WiFiServer::setTimeout(uint32_t seconds){
struct timeval tv;
tv.tv_sec = seconds;
tv.tv_usec = 0;
if(setsockopt(sockfd, SOL_SOCKET, SO_RCVTIMEO, (char *)&tv, sizeof(struct timeval)) < 0)
return -1;
return setsockopt(sockfd, SOL_SOCKET, SO_SNDTIMEO, (char *)&tv, sizeof(struct timeval));
}
size_t WiFiServer::write(const uint8_t *data, size_t len){
return 0;
}
void WiFiServer::stopAll(){}
WiFiClient WiFiServer::available(){
if(!_listening)
return WiFiClient();
struct sockaddr_in _client;
int cs = sizeof(struct sockaddr_in);
int client_sock = accept(sockfd, (struct sockaddr *)&_client, (socklen_t*)&cs);
if(client_sock >= 0){
int val = 1;
if(setsockopt(client_sock, SOL_SOCKET, SO_KEEPALIVE, (char*)&val, sizeof(int)) == ESP_OK)
return WiFiClient(client_sock);
}
return WiFiClient();
}
void WiFiServer::begin(){
if(_listening)
return;
struct sockaddr_in server;
sockfd = socket(AF_INET , SOCK_STREAM, 0);
if (sockfd < 0)
return;
server.sin_family = AF_INET;
server.sin_addr.s_addr = INADDR_ANY;
server.sin_port = htons(_port);
if(bind(sockfd, (struct sockaddr *)&server, sizeof(server)) < 0)
return;
if(listen(sockfd , _max_clients) < 0)
return;
fcntl(sockfd, F_SETFL, O_NONBLOCK);
_listening = true;
}
void WiFiServer::end(){
close(sockfd);
sockfd = -1;
_listening = false;
}