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160 lines
3.3 KiB
160 lines
3.3 KiB
// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
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// ulxd -- The universal reflector
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// Copyright © 2021 Thomas A. Early N7TAE
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//
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// This program 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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// This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
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#include <string.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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#include "Main.h"
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#include "DMRIdDirFile.h"
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#if (DMRIDDB_USE_RLX_SERVER == 0)
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CDmridDirFile g_DmridDir;
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#endif
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////////////////////////////////////////////////////////////////////////////////////////
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// constructor & destructor
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CDmridDirFile::CDmridDirFile()
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{
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::memset(&m_LastModTime, 0, sizeof(time_t));
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}
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////////////////////////////////////////////////////////////////////////////////////////
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// init & close
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bool CDmridDirFile::Init(void)
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{
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return CDmridDir::Init();
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}
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////////////////////////////////////////////////////////////////////////////////////////
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// refresh
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bool CDmridDirFile::NeedReload(void)
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{
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bool needReload = false;
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time_t time;
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if ( GetLastModTime(&time) )
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{
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needReload = time != m_LastModTime;
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}
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return needReload;
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}
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bool CDmridDirFile::LoadContent(CBuffer *buffer)
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{
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bool ok = false;
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std::ifstream file;
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std::streampos size;
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// open file
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file.open(DMRIDDB_PATH, std::ios::in | std::ios::binary | std::ios::ate);
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if ( file.is_open() )
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{
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// read file
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size = file.tellg();
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if ( size > 0 )
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{
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// read file into buffer
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buffer->resize((int)size+1);
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file.seekg (0, std::ios::beg);
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file.read((char *)buffer->data(), (int)size);
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// close file
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file.close();
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// update time
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GetLastModTime(&m_LastModTime);
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// done
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ok = true;
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}
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}
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// done
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return ok;
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}
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bool CDmridDirFile::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 buffer
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if ( buffer.size() > 0 )
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{
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// crack it
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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')) != nullptr )
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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, ";")) != nullptr) && IsValidDmrid(dmrid) )
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{
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if ( ((callsign = ::strtok(nullptr, ";")) != nullptr) )
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{
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// new entry
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uint32_t 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_t,CCallsign>(ui, cs));
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m_DmridMap.insert(std::pair<CCallsign,uint32_t>(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 ids from file " << DMRIDDB_PATH << std::endl;
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// done
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return ok;
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}
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bool CDmridDirFile::GetLastModTime(time_t *time)
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{
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bool ok = false;
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struct stat fileStat;
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if( ::stat(DMRIDDB_PATH, &fileStat) != -1 )
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{
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*time = fileStat.st_mtime;
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ok = true;
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}
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return ok;
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}
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