167 lines
4.3 KiB
C
167 lines
4.3 KiB
C
/* -*- Mode: C ; c-basic-offset: 2 -*- */
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/*
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* LADI Session Handler (ladish)
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*
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* Copyright (C) 2009, 2010, 2011 Nedko Arnaudov <nedko@arnaudov.name>
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*
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**************************************************************************
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* This file contains studio list implementation
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**************************************************************************
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*
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* LADI Session Handler 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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* LADI Session Handler 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 LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
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* or write to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "common.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <dirent.h>
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#include "studio_internal.h"
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#include "../common/catdup.h"
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#include "escape.h"
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struct ladish_studios_iterate_context
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{
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void * call_ptr;
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void * context;
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bool (* callback)(void * call_ptr, void * context, const char * studio, uint32_t modtime);
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unsigned int counter;
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};
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#define ctx_ptr ((struct ladish_studios_iterate_context *)callback_context)
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bool recent_studio_callback(void * callback_context, const char * item)
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{
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char * path;
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struct stat st;
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if (!ladish_studio_compose_filename(item, &path, NULL))
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{
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log_error("failed to compose path of (recent) studio \%s\" file", item);
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goto exit;
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}
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if (stat(path, &st) != 0)
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{
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if (errno != ENOENT)
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{
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log_error("failed to stat '%s': %d (%s)", path, errno, strerror(errno));
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}
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goto free;
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}
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if (!S_ISREG(st.st_mode))
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{
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log_info("Ignoring recent studio that is not regular file. Mode is %07o", st.st_mode);
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goto free;
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}
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ctx_ptr->callback(ctx_ptr->call_ptr, ctx_ptr->context, item, st.st_mtime);
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ctx_ptr->counter++;
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free:
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free(path);
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exit:
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return true;
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}
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#undef ctx_ptr
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bool ladish_studios_iterate(void * call_ptr, void * context, bool (* callback)(void * call_ptr, void * context, const char * studio, uint32_t modtime))
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{
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DIR * dir;
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struct dirent * dentry;
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size_t len;
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struct stat st;
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char * path;
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char * name;
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struct ladish_studios_iterate_context ctx;
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ctx.call_ptr = call_ptr;
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ctx.context = context;
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ctx.callback = callback;
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ctx.counter = 0;
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ladish_recent_store_iterate_items(g_studios_recent_store, &ctx, recent_studio_callback);
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/* TODO: smarter error handling based on ctx.counter (dbus error vs just logged error) */
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dir = opendir(g_studios_dir);
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if (dir == NULL)
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{
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lash_dbus_error(call_ptr, LASH_DBUS_ERROR_GENERIC, "Cannot open directory '%s': %d (%s)", g_studios_dir, errno, strerror(errno));
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return false;
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}
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while ((dentry = readdir(dir)) != NULL)
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{
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len = strlen(dentry->d_name);
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if (len <= 4 || strcmp(dentry->d_name + (len - 4), ".xml") != 0)
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continue;
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path = catdup(g_studios_dir, dentry->d_name);
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if (path == NULL)
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{
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lash_dbus_error(call_ptr, LASH_DBUS_ERROR_GENERIC, "catdup() failed");
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return false;
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}
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if (stat(path, &st) != 0)
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{
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lash_dbus_error(call_ptr, LASH_DBUS_ERROR_GENERIC, "failed to stat '%s': %d (%s)", path, errno, strerror(errno));
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free(path);
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return false;
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}
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free(path);
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if (!S_ISREG(st.st_mode))
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{
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//log_info("Ignoring direntry that is not regular file. Mode is %07o", st.st_mode);
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continue;
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}
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name = malloc(len - 4 + 1);
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if (name == NULL)
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{
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log_error("malloc() failed.");
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closedir(dir);
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return false;
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}
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name[unescape(dentry->d_name, len - 4, name)] = 0;
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//log_info("name = '%s'", name);
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if (!ladish_recent_store_check_known(g_studios_recent_store, name))
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{
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if (!callback(call_ptr, context, name, st.st_mtime))
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{
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free(name);
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closedir(dir);
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return false;
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}
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}
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free(name);
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}
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closedir(dir);
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return true;
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}
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