5b82ffc291
After we've been hit by Large File Support problems several times in the past week (which only occur on 32 bit platforms, which I don't have), this is yet another attempt to fix the issue.
147 lines
4.2 KiB
C
147 lines
4.2 KiB
C
/*
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* Copyright (C) 2003-2009 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 "client_internal.h"
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#include <string.h>
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#define CLIENT_LIST_MODE_BEGIN "command_list_begin"
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#define CLIENT_LIST_OK_MODE_BEGIN "command_list_ok_begin"
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#define CLIENT_LIST_MODE_END "command_list_end"
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static enum command_return
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client_process_command_list(struct client *client, bool list_ok, GSList *list)
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{
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enum command_return ret = COMMAND_RETURN_OK;
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unsigned num = 0;
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for (GSList *cur = list; cur != NULL; cur = g_slist_next(cur)) {
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char *cmd = cur->data;
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g_debug("command_process_list: process command \"%s\"",
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cmd);
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ret = command_process(client, num++, cmd);
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g_debug("command_process_list: command returned %i", ret);
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if (ret != COMMAND_RETURN_OK || client_is_expired(client))
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break;
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else if (list_ok)
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client_puts(client, "list_OK\n");
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}
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return ret;
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}
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enum command_return
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client_process_line(struct client *client, char *line)
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{
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enum command_return ret;
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if (strcmp(line, "noidle") == 0) {
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if (client->idle_waiting) {
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/* send empty idle response and leave idle mode */
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client->idle_waiting = false;
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command_success(client);
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client_write_output(client);
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}
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/* do nothing if the client wasn't idling: the client
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has already received the full idle response from
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client_idle_notify(), which he can now evaluate */
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return COMMAND_RETURN_OK;
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} else if (client->idle_waiting) {
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/* during idle mode, clients must not send anything
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except "noidle" */
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g_warning("[%u] command \"%s\" during idle",
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client->num, line);
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return COMMAND_RETURN_CLOSE;
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}
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if (client->cmd_list_OK >= 0) {
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if (strcmp(line, CLIENT_LIST_MODE_END) == 0) {
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g_debug("[%u] process command list",
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client->num);
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/* for scalability reasons, we have prepended
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each new command; now we have to reverse it
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to restore the correct order */
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client->cmd_list = g_slist_reverse(client->cmd_list);
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ret = client_process_command_list(client,
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client->cmd_list_OK,
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client->cmd_list);
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g_debug("[%u] process command "
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"list returned %i", client->num, ret);
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if (ret == COMMAND_RETURN_CLOSE ||
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client_is_expired(client))
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return COMMAND_RETURN_CLOSE;
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if (ret == COMMAND_RETURN_OK)
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command_success(client);
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client_write_output(client);
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free_cmd_list(client->cmd_list);
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client->cmd_list = NULL;
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client->cmd_list_OK = -1;
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} else {
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size_t len = strlen(line) + 1;
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client->cmd_list_size += len;
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if (client->cmd_list_size >
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client_max_command_list_size) {
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g_warning("[%u] command list size (%lu) "
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"is larger than the max (%lu)",
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client->num,
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(unsigned long)client->cmd_list_size,
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(unsigned long)client_max_command_list_size);
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return COMMAND_RETURN_CLOSE;
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}
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new_cmd_list_ptr(client, line);
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ret = COMMAND_RETURN_OK;
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}
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} else {
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if (strcmp(line, CLIENT_LIST_MODE_BEGIN) == 0) {
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client->cmd_list_OK = 0;
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ret = COMMAND_RETURN_OK;
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} else if (strcmp(line, CLIENT_LIST_OK_MODE_BEGIN) == 0) {
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client->cmd_list_OK = 1;
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ret = COMMAND_RETURN_OK;
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} else {
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g_debug("[%u] process command \"%s\"",
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client->num, line);
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ret = command_process(client, 0, line);
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g_debug("[%u] command returned %i",
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client->num, ret);
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if (ret == COMMAND_RETURN_CLOSE ||
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client_is_expired(client))
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return COMMAND_RETURN_CLOSE;
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if (ret == COMMAND_RETURN_OK)
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command_success(client);
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client_write_output(client);
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}
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}
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return ret;
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}
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