86a06a7acc
These attributes are printed in the "outputs" response, and the new command "outputset" allows setting new values. No attributes are currently implemented.
129 lines
3.2 KiB
C++
129 lines
3.2 KiB
C++
/*
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* Copyright 2003-2017 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 "OutputCommands.hxx"
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#include "Request.hxx"
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#include "output/Print.hxx"
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#include "output/OutputCommand.hxx"
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#include "client/Client.hxx"
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#include "client/Response.hxx"
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#include "Partition.hxx"
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#include "IdleFlags.hxx"
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#include "util/CharUtil.hxx"
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CommandResult
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handle_enableoutput(Client &client, Request args, Response &r)
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{
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assert(args.size == 1);
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unsigned device = args.ParseUnsigned(0);
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if (!audio_output_enable_index(client.GetPartition().outputs, device)) {
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r.Error(ACK_ERROR_NO_EXIST, "No such audio output");
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return CommandResult::ERROR;
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}
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return CommandResult::OK;
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}
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CommandResult
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handle_disableoutput(Client &client, Request args, Response &r)
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{
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assert(args.size == 1);
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unsigned device = args.ParseUnsigned(0);
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if (!audio_output_disable_index(client.GetPartition().outputs, device)) {
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r.Error(ACK_ERROR_NO_EXIST, "No such audio output");
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return CommandResult::ERROR;
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}
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return CommandResult::OK;
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}
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CommandResult
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handle_toggleoutput(Client &client, Request args, Response &r)
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{
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assert(args.size == 1);
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unsigned device = args.ParseUnsigned(0);
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if (!audio_output_toggle_index(client.GetPartition().outputs, device)) {
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r.Error(ACK_ERROR_NO_EXIST, "No such audio output");
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return CommandResult::ERROR;
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}
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return CommandResult::OK;
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}
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static bool
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IsValidAttributeNameChar(char ch) noexcept
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{
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return IsAlphaNumericASCII(ch) || ch == '_';
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}
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gcc_pure
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static bool
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IsValidAttributeName(const char *s) noexcept
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{
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do {
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if (!IsValidAttributeNameChar(*s))
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return false;
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} while (*++s);
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return true;
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}
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CommandResult
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handle_outputset(Client &client, Request request, Response &response)
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{
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assert(request.size == 3);
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const unsigned i = request.ParseUnsigned(0);
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auto &partition = client.GetPartition();
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auto &outputs = partition.outputs;
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if (i >= outputs.Size()) {
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response.Error(ACK_ERROR_NO_EXIST, "No such audio output");
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return CommandResult::ERROR;
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}
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auto &ao = outputs.Get(i);
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const char *const name = request[1];
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if (!IsValidAttributeName(name)) {
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response.Error(ACK_ERROR_ARG, "Illegal attribute name");
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return CommandResult::ERROR;
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}
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const char *const value = request[2];
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ao.SetAttribute(name, value);
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partition.EmitIdle(IDLE_OUTPUT);
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return CommandResult::OK;
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}
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CommandResult
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handle_devices(Client &client, gcc_unused Request args, Response &r)
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{
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assert(args.empty());
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printAudioDevices(r, client.GetPartition().outputs);
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return CommandResult::OK;
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}
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