mirror of https://github.com/LX3JL/xlxd.git
Luca Marchesano
7 years ago
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GitHub
parent
79e501823c
commit
6b7575aa8d
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//
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// cdmriddirhttp.cpp
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// xlxd
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//
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// Created by Jean-Luc Deltombe (LX3JL) on 29/12/2017.
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// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
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//
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// ----------------------------------------------------------------------------
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// This file is part of xlxd.
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//
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// xlxd is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// xlxd 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
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Foobar. If not, see <http://www.gnu.org/licenses/>.
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// ----------------------------------------------------------------------------
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#include <string.h>
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#include "main.h"
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#include "creflector.h"
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#include "cdmriddirhttp.h"
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#if (DMRIDDB_USE_RLX_SERVER == 1)
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CDmridDirHttp g_DmridDir;
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#endif
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////////////////////////////////////////////////////////////////////////////////////////
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// refresh
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bool CDmridDirHttp::LoadContent(CBuffer *buffer)
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{
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// get file from xlxapi server
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return HttpGet("xlxapi.rlx.lu", "api/exportdmr.php", 80, buffer);
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}
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bool CDmridDirHttp::RefreshContent(const CBuffer &buffer)
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{
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bool ok = false;
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// clear directory
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m_CallsignMap.clear();
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m_DmridMap.clear();
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// scan file
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if ( buffer.size() > 0 )
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{
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char *ptr1 = (char *)buffer.data();
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char *ptr2;
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// get next line
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while ( (ptr2 = ::strchr(ptr1, '\n')) != NULL )
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{
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*ptr2 = 0;
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// get items
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char *dmrid;
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char *callsign;
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if ( ((dmrid = ::strtok(ptr1, ";")) != NULL) && IsValidDmrid(dmrid) )
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{
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if ( ((callsign = ::strtok(NULL, ";")) != NULL) )
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{
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// new entry
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uint32 ui = atoi(dmrid);
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CCallsign cs(callsign, ui);
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if ( cs.IsValid() )
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{
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m_CallsignMap.insert(std::pair<uint32,CCallsign>(ui, cs));
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m_DmridMap.insert(std::pair<CCallsign,uint32>(cs,ui));
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}
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}
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}
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// next line
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ptr1 = ptr2+1;
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}
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// done
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ok = true;
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}
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// report
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std::cout << "Read " << m_DmridMap.size() << " DMR id from xlxapi.rlx.lu database " << std::endl;
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// done
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return ok;
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}
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////////////////////////////////////////////////////////////////////////////////////////
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// httpd helpers
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#define DMRID_HTTPGET_SIZEMAX (256)
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#define DMRID_TEXTFILE_SIZEMAX (10*1024*1024)
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bool CDmridDirHttp::HttpGet(const char *hostname, const char *filename, int port, CBuffer *buffer)
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{
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bool ok = false;
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int sock_id;
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// open socket
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if ( (sock_id = ::socket(AF_INET, SOCK_STREAM, 0)) >= 0 )
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{
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// get hostname address
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struct sockaddr_in servaddr;
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struct hostent *hp;
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::memset(&servaddr,0,sizeof(servaddr));
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if( (hp = gethostbyname(hostname)) != NULL )
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{
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// dns resolved
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::memcpy((char *)&servaddr.sin_addr.s_addr, (char *)hp->h_addr, hp->h_length);
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servaddr.sin_port = htons(port);
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servaddr.sin_family = AF_INET;
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// connect
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if ( ::connect(sock_id, (struct sockaddr *)&servaddr, sizeof(servaddr)) == 0)
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{
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// send the GET request
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char request[DMRID_HTTPGET_SIZEMAX];
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::sprintf(request, "GET /%s HTTP/1.0\r\nFrom: %s\r\nUser-Agent: xlxd\r\n\r\n",
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filename, (const char *)g_Reflector.GetCallsign());
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::write(sock_id, request, strlen(request));
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// config receive timeouts
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fd_set read_set;
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struct timeval timeout;
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timeout.tv_sec = 5;
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timeout.tv_usec = 0;
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FD_ZERO(&read_set);
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FD_SET(sock_id, &read_set);
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// get the reply back
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buffer->clear();
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bool done = false;
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do
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{
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char buf[1440];
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ssize_t len = 0;
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select(sock_id+1, &read_set, NULL, NULL, &timeout);
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//if ( (ret > 0) || ((ret < 0) && (errno == EINPROGRESS)) )
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//if ( ret >= 0 )
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//{
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usleep(5000);
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len = read(sock_id, buf, 1440);
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if ( len > 0 )
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{
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buffer->Append((uint8 *)buf, (int)len);
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ok = true;
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}
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//}
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done = (len <= 0);
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} while (!done);
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buffer->Append((uint8)0);
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// and disconnect
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close(sock_id);
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}
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else
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{
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std::cout << "Cannot establish connection with host " << hostname << std::endl;
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}
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}
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else
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{
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std::cout << "Host " << hostname << " not found" << std::endl;
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}
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}
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else
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{
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std::cout << "Failed to open wget socket" << std::endl;
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}
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// done
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return ok;
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}
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