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-rw-r--r--src/output/HttpdClient.hxx190
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diff --git a/src/output/HttpdClient.hxx b/src/output/HttpdClient.hxx
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-/*
- * Copyright (C) 2003-2013 The Music Player Daemon Project
- * http://www.musicpd.org
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#ifndef MPD_OUTPUT_HTTPD_CLIENT_HXX
-#define MPD_OUTPUT_HTTPD_CLIENT_HXX
-
-#include "event/BufferedSocket.hxx"
-#include "Compiler.h"
-
-#include <list>
-
-#include <stddef.h>
-
-struct HttpdOutput;
-class Page;
-
-class HttpdClient final : public BufferedSocket {
- /**
- * The httpd output object this client is connected to.
- */
- HttpdOutput *const httpd;
-
- /**
- * The current state of the client.
- */
- enum {
- /** reading the request line */
- REQUEST,
-
- /** reading the request headers */
- HEADERS,
-
- /** sending the HTTP response */
- RESPONSE,
- } state;
-
- /**
- * A queue of #Page objects to be sent to the client.
- */
- std::list<Page *> pages;
-
- /**
- * The #page which is currently being sent to the client.
- */
- Page *current_page;
-
- /**
- * The amount of bytes which were already sent from
- * #current_page.
- */
- size_t current_position;
-
- /**
- * Is this a HEAD request?
- */
- bool head_method;
-
- /**
- * If DLNA streaming was an option.
- */
- bool dlna_streaming_requested;
-
- /* ICY */
-
- /**
- * Do we support sending Icy-Metadata to the client? This is
- * disabled if the httpd audio output uses encoder tags.
- */
- bool metadata_supported;
-
- /**
- * If we should sent icy metadata.
- */
- bool metadata_requested;
-
- /**
- * If the current metadata was already sent to the client.
- */
- bool metadata_sent;
-
- /**
- * The amount of streaming data between each metadata block
- */
- unsigned metaint;
-
- /**
- * The metadata as #Page which is currently being sent to the client.
- */
- Page *metadata;
-
- /*
- * The amount of bytes which were already sent from the metadata.
- */
- size_t metadata_current_position;
-
- /**
- * The amount of streaming data sent to the client
- * since the last icy information was sent.
- */
- unsigned metadata_fill;
-
-public:
- /**
- * @param httpd the HTTP output device
- * @param fd the socket file descriptor
- */
- HttpdClient(HttpdOutput *httpd, int _fd, EventLoop &_loop,
- bool _metadata_supported);
-
- /**
- * Note: this does not remove the client from the
- * #HttpdOutput object.
- */
- ~HttpdClient();
-
- /**
- * Frees the client and removes it from the server's client list.
- */
- void Close();
-
- void LockClose();
-
- /**
- * Returns the total size of this client's page queue.
- */
- gcc_pure
- size_t GetQueueSize() const;
-
- /**
- * Clears the page queue.
- */
- void CancelQueue();
-
- /**
- * Handle a line of the HTTP request.
- */
- bool HandleLine(const char *line);
-
- /**
- * Switch the client to the "RESPONSE" state.
- */
- void BeginResponse();
-
- /**
- * Sends the status line and response headers to the client.
- */
- bool SendResponse();
-
- gcc_pure
- ssize_t GetBytesTillMetaData() const;
-
- ssize_t TryWritePage(const Page &page, size_t position);
- ssize_t TryWritePageN(const Page &page, size_t position, ssize_t n);
-
- bool TryWrite();
-
- /**
- * Appends a page to the client's queue.
- */
- void PushPage(Page *page);
-
- /**
- * Sends the passed metadata.
- */
- void PushMetaData(Page *page);
-
-protected:
- virtual bool OnSocketReady(unsigned flags) override;
- virtual InputResult OnSocketInput(void *data, size_t length) override;
- virtual void OnSocketError(Error &&error) override;
- virtual void OnSocketClosed() override;
-};
-
-#endif