Update
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Akkariin Meiko
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/*
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* GstCurlHttpSrc
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* Copyright 2017 British Broadcasting Corporation - Research and Development
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*
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* Author: Sam Hurst <samuelh@rd.bbc.co.uk>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Alternatively, the contents of this file may be used under the
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* GNU Lesser General Public License Version 2.1 (the "LGPL"), in
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* which case the following provisions apply instead of the ones
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* mentioned above:
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* This header file contains definitions only for
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*/
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#ifndef GSTCURLHTTPSRC_H_
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#define GSTCURLHTTPSRC_H_
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#include <gst/gst.h>
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#include <string.h>
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#include <ctype.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <gst/base/gstpushsrc.h>
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#include "curltask.h"
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G_BEGIN_DECLS
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/* #defines don't like whitespacey bits */
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#define GST_TYPE_CURLHTTPSRC \
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(gst_curl_http_src_get_type())
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#define GST_CURLHTTPSRC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CURLHTTPSRC,GstCurlHttpSrc))
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#define GST_CURLHTTPSRC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CURLHTTPSRC,GstCurlHttpSrcClass))
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#define GST_IS_CURLHTTPSRC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CURLHTTPSRC))
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#define GST_IS_CURLHTTPSRC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CURLHTTPSRC))
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#if GSTCURL_FUNCTIONTRACE
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#define GSTCURL_FUNCTION_ENTRY(x) GST_DEBUG_OBJECT(x, "Entering function");
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#define GSTCURL_FUNCTION_EXIT(x) GST_DEBUG_OBJECT(x, "Leaving function");
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#else
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#define GSTCURL_FUNCTION_ENTRY(x)
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#define GSTCURL_FUNCTION_EXIT(x)
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#endif
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typedef struct _GstCurlHttpSrc GstCurlHttpSrc;
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typedef struct _GstCurlHttpSrcClass GstCurlHttpSrcClass;
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typedef struct _GstCurlHttpSrcMultiTaskContext GstCurlHttpSrcMultiTaskContext;
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typedef struct _GstCurlHttpSrcQueueElement GstCurlHttpSrcQueueElement;
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#define HTTP_HEADERS_NAME "http-headers"
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#define HTTP_STATUS_CODE "http-status-code"
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#define URI_NAME "uri"
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#define REQUEST_HEADERS_NAME "request-headers"
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#define RESPONSE_HEADERS_NAME "response-headers"
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#define REDIRECT_URI_NAME "redirection-uri"
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typedef enum
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{
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GSTCURL_HTTP_VERSION_1_0,
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GSTCURL_HTTP_VERSION_1_1,
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#ifdef CURL_VERSION_HTTP2
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GSTCURL_HTTP_VERSION_2_0,
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#endif
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GSTCURL_HTTP_NOT, /* For future use if HTTP protocol not used! */
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GSTCURL_HTTP_VERSION_MAX
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} GstCurlHttpVersion;
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typedef enum _GstCGstCurlHttpSrcSeekable
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{
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GSTCURL_SEEKABLE_UNKNOWN,
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GSTCURL_SEEKABLE_TRUE,
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GSTCURL_SEEKABLE_FALSE
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} GstCGstCurlHttpSrcSeekable;
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struct _GstCurlHttpSrcMultiTaskContext
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{
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GstTask *task;
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GRecMutex task_rec_mutex;
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GMutex mutex;
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guint refcount;
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GCond signal;
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GstCurlHttpSrcQueueElement *queue;
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enum
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{
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GSTCURL_MULTI_LOOP_STATE_RUNNING,
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GSTCURL_MULTI_LOOP_STATE_STOP
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} state;
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/* < private > */
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CURLM *multi_handle;
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};
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struct _GstCurlHttpSrcClass
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{
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GstPushSrcClass parent_class;
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GstCurlHttpSrcMultiTaskContext multi_task_context;
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};
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/*
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* Our instance class.
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*/
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struct _GstCurlHttpSrc
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{
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GstPushSrc element;
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/* < private > */
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GMutex uri_mutex; /* Make the URIHandler get/set thread safe */
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/*
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* Things to tell libcURL about to build up the request message.
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*/
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/* Type Name Curl Option */
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gchar *uri; /* CURLOPT_URL */
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gchar *redirect_uri; /* CURLINFO_REDIRECT_URL */
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gchar *username; /* CURLOPT_USERNAME */
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gchar *password; /* CURLOPT_PASSWORD */
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gchar *proxy_uri; /* CURLOPT_PROXY */
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gchar *no_proxy_list; /* CURLOPT_NOPROXY */
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gchar *proxy_user; /* CURLOPT_PROXYUSERNAME */
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gchar *proxy_pass; /* CURLOPT_PROXYPASSWORD */
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/* Header options */
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gchar **cookies; /* CURLOPT_COOKIELIST */
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gint number_cookies;
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gchar *user_agent; /* CURLOPT_USERAGENT */
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GstStructure *request_headers; /* CURLOPT_HTTPHEADER */
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struct curl_slist *slist;
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gboolean accept_compressed_encodings; /* CURLOPT_ACCEPT_ENCODING */
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gint64 request_position; /* Seek to this position. */
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gint64 stop_position; /* Stop at this position. */
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/* Connection options */
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glong allow_3xx_redirect; /* CURLOPT_FOLLOWLOCATION */
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glong max_3xx_redirects; /* CURLOPT_MAXREDIRS */
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gboolean keep_alive; /* CURLOPT_TCP_KEEPALIVE */
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gint timeout_secs; /* CURLOPT_TIMEOUT */
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gboolean strict_ssl; /* CURLOPT_SSL_VERIFYPEER */
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gchar* custom_ca_file; /* CURLOPT_CAINFO */
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gint total_retries;
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gint retries_remaining;
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/*TODO As the following are all multi options, move these to curl task */
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guint max_connection_time; /* */
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guint max_conns_per_server; /* CURLMOPT_MAX_HOST_CONNECTIONS */
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guint max_conns_per_proxy; /* ?!? */
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guint max_conns_global; /* CURLMOPT_MAXCONNECTS */
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/* END multi options */
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/* Some stuff for HTTP/2 */
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GstCurlHttpVersion preferred_http_version;
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enum
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{
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GSTCURL_NONE,
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GSTCURL_OK,
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GSTCURL_DONE,
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GSTCURL_UNLOCK,
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GSTCURL_REMOVED,
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GSTCURL_BAD_QUEUE_REQUEST,
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GSTCURL_TOTAL_ERROR,
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GSTCURL_PIPELINE_NULL,
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GSTCURL_MAX
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} state, pending_state;
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CURL *curl_handle;
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GMutex buffer_mutex;
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GCond buffer_cond;
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gchar *buffer;
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guint buffer_len;
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gboolean transfer_begun;
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gboolean data_received;
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enum {
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GSTCURL_NOT_CONNECTED,
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GSTCURL_CONNECTED,
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GSTCURL_WANT_REMOVAL
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} connection_status;
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/*
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* Response Headers
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*/
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GstStructure *http_headers;
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gchar *content_type;
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guint status_code;
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gchar *reason_phrase;
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gboolean hdrs_updated;
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guint64 content_size;
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GstCGstCurlHttpSrcSeekable seekable;
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CURLcode curl_result;
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char curl_errbuf[CURL_ERROR_SIZE];
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GstCaps *caps;
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};
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GType gst_curl_http_src_get_type (void);
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G_END_DECLS
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#endif /* GSTCURLHTTPSRC_H_ */
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