b1a252a64d
Creating a NfsStorage sets its own export_name as the "base". Now NfsFileReader can use this information to derive the export_name to be mounted, instead of guessing. This solves the "too many connection" problem on the NFS server while updating the database.
62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
/*
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* Copyright (C) 2003-2014 The Music Player Daemon Project
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* http://www.musicpd.org
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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 2 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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include "Base.hxx"
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#include <assert.h>
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#include <string.h>
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static char nfs_base_server[64];
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static char nfs_base_export_name[256];
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static size_t nfs_base_export_name_length;
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void
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nfs_set_base(const char *server, const char *export_name)
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{
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assert(server != nullptr);
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assert(export_name != nullptr);
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const size_t server_length = strlen(server);
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const size_t export_name_length = strlen(export_name);
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if (server_length >= sizeof(nfs_base_server) ||
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export_name_length > sizeof(nfs_base_export_name))
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return;
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memcpy(nfs_base_server, server, server_length + 1);
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memcpy(nfs_base_export_name, export_name, export_name_length);
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nfs_base_export_name_length = export_name_length;
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}
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const char *
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nfs_check_base(const char *server, const char *path)
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{
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assert(server != nullptr);
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assert(path != nullptr);
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return strcmp(nfs_base_server, server) == 0 &&
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memcmp(nfs_base_export_name, path,
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nfs_base_export_name_length) == 0 &&
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(path[nfs_base_export_name_length] == 0 ||
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path[nfs_base_export_name_length] == '/')
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? path + nfs_base_export_name_length
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: nullptr;
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}
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