138 lines
3.4 KiB
C++
138 lines
3.4 KiB
C++
/*
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* Copyright (C) 2003-2013 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 "MessageCommands.hxx"
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#include "Client.hxx"
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#include "ClientList.hxx"
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#include "Instance.hxx"
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#include "Main.hxx"
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#include "protocol/Result.hxx"
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#include "protocol/ArgParser.hxx"
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#include <set>
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#include <string>
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#include <assert.h>
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CommandResult
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handle_subscribe(Client &client, gcc_unused int argc, char *argv[])
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{
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assert(argc == 2);
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switch (client.Subscribe(argv[1])) {
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case Client::SubscribeResult::OK:
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return CommandResult::OK;
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case Client::SubscribeResult::INVALID:
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command_error(client, ACK_ERROR_ARG,
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"invalid channel name");
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return CommandResult::ERROR;
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case Client::SubscribeResult::ALREADY:
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command_error(client, ACK_ERROR_EXIST,
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"already subscribed to this channel");
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return CommandResult::ERROR;
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case Client::SubscribeResult::FULL:
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command_error(client, ACK_ERROR_EXIST,
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"subscription list is full");
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return CommandResult::ERROR;
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}
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/* unreachable */
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assert(false);
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gcc_unreachable();
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}
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CommandResult
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handle_unsubscribe(Client &client, gcc_unused int argc, char *argv[])
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{
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assert(argc == 2);
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if (client.Unsubscribe(argv[1]))
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return CommandResult::OK;
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else {
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command_error(client, ACK_ERROR_NO_EXIST,
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"not subscribed to this channel");
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return CommandResult::ERROR;
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}
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}
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CommandResult
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handle_channels(Client &client,
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gcc_unused int argc, gcc_unused char *argv[])
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{
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assert(argc == 1);
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std::set<std::string> channels;
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for (const auto &c : *instance->client_list)
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channels.insert(c->subscriptions.begin(),
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c->subscriptions.end());
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for (const auto &channel : channels)
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client_printf(client, "channel: %s\n", channel.c_str());
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return CommandResult::OK;
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}
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CommandResult
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handle_read_messages(Client &client,
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gcc_unused int argc, gcc_unused char *argv[])
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{
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assert(argc == 1);
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while (!client.messages.empty()) {
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const ClientMessage &msg = client.messages.front();
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client_printf(client, "channel: %s\nmessage: %s\n",
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msg.GetChannel(), msg.GetMessage());
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client.messages.pop_front();
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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_send_message(Client &client,
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gcc_unused int argc, gcc_unused char *argv[])
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{
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assert(argc == 3);
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if (!client_message_valid_channel_name(argv[1])) {
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command_error(client, ACK_ERROR_ARG,
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"invalid channel name");
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return CommandResult::ERROR;
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}
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bool sent = false;
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const ClientMessage msg(argv[1], argv[2]);
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for (const auto &c : *instance->client_list)
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if (c->PushMessage(msg))
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sent = true;
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if (sent)
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return CommandResult::OK;
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else {
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command_error(client, ACK_ERROR_NO_EXIST,
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"nobody is subscribed to this channel");
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return CommandResult::ERROR;
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}
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}
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