2023-09-27 17:08:10 +00:00
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// Copyright (C) 2019 Amazon.com, Inc. or its affiliates <mkolny@amazon.com>
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// Copyright (C) 2023 Asymptotic Inc
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// Author: Arun Raghavan <arun@asymptotic.io>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
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// If a copy of the MPL was not distributed with this file, You can obtain one at
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// <https://mozilla.org/MPL/2.0/>.
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//
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// SPDX-License-Identifier: MPL-2.0
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use gst::glib;
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use gst::prelude::*;
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use gst::subclass::prelude::*;
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use gst_base::subclass::prelude::*;
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use aws_sdk_s3::{
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config::{self, retry::RetryConfig, Credentials, Region},
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operation::put_object::builders::PutObjectFluentBuilder,
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primitives::ByteStream,
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Client,
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};
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use futures::future;
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2024-01-31 15:07:56 +00:00
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use once_cell::sync::Lazy;
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2023-09-27 17:08:10 +00:00
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use std::collections::HashMap;
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use std::convert::From;
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use std::sync::Mutex;
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use std::time::Duration;
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use crate::s3url::*;
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use crate::s3utils::{self, duration_from_millis, duration_to_millis, WaitError};
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const DEFAULT_RETRY_ATTEMPTS: u32 = 5;
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const DEFAULT_FLUSH_INTERVAL_BUFFERS: u64 = 1;
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const DEFAULT_FLUSH_INTERVAL_BYTES: u64 = 0;
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const DEFAULT_FLUSH_INTERVAL_TIME: gst::ClockTime = gst::ClockTime::from_nseconds(0);
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const DEFAULT_FLUSH_ON_ERROR: bool = false;
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// General setting for create / abort requests
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const DEFAULT_REQUEST_TIMEOUT_MSEC: u64 = 15_000;
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struct Started {
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client: Client,
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buffer: Vec<u8>,
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start_pts: Option<gst::ClockTime>,
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num_buffers: u64,
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need_flush: bool,
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}
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impl Started {
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pub fn new(client: Client, buffer: Vec<u8>) -> Started {
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Started {
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client,
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buffer,
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start_pts: gst::ClockTime::NONE,
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num_buffers: 0,
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need_flush: false,
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}
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}
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}
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#[derive(Default)]
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enum State {
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#[default]
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Stopped,
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Started(Started),
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}
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struct Settings {
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region: Region,
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bucket: Option<String>,
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key: Option<String>,
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content_type: Option<String>,
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content_disposition: Option<String>,
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access_key: Option<String>,
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secret_access_key: Option<String>,
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session_token: Option<String>,
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metadata: Option<gst::Structure>,
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retry_attempts: u32,
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request_timeout: Duration,
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endpoint_uri: Option<String>,
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flush_interval_buffers: u64,
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flush_interval_bytes: u64,
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flush_interval_time: Option<gst::ClockTime>,
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flush_on_error: bool,
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}
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impl Settings {
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fn to_uri(&self) -> String {
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GstS3Url {
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region: self.region.clone(),
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bucket: self.bucket.clone().unwrap(),
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object: self.key.clone().unwrap(),
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version: None,
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}
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.to_string()
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}
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fn to_metadata(&self, imp: &S3PutObjectSink) -> Option<HashMap<String, String>> {
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self.metadata.as_ref().map(|structure| {
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let mut hash = HashMap::new();
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for (key, value) in structure.iter() {
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if let Ok(Ok(value_str)) = value.transform::<String>().map(|v| v.get()) {
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gst::log!(CAT, imp: imp, "metadata '{}' -> '{}'", key, value_str);
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hash.insert(key.to_string(), value_str);
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} else {
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gst::warning!(
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CAT,
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imp: imp,
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"Failed to convert metadata '{}' to string ('{:?}')",
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key,
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value
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);
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}
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}
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hash
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})
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}
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}
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impl Default for Settings {
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fn default() -> Self {
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Settings {
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region: Region::new("us-west-2"),
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bucket: None,
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key: None,
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content_type: None,
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content_disposition: None,
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access_key: None,
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secret_access_key: None,
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session_token: None,
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metadata: None,
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retry_attempts: DEFAULT_RETRY_ATTEMPTS,
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request_timeout: Duration::from_millis(DEFAULT_REQUEST_TIMEOUT_MSEC),
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endpoint_uri: None,
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flush_interval_buffers: DEFAULT_FLUSH_INTERVAL_BUFFERS,
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flush_interval_bytes: DEFAULT_FLUSH_INTERVAL_BYTES,
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flush_interval_time: Some(DEFAULT_FLUSH_INTERVAL_TIME),
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flush_on_error: DEFAULT_FLUSH_ON_ERROR,
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}
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}
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}
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#[derive(Default)]
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pub struct S3PutObjectSink {
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url: Mutex<Option<GstS3Url>>,
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settings: Mutex<Settings>,
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state: Mutex<State>,
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canceller: Mutex<Option<future::AbortHandle>>,
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}
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static CAT: Lazy<gst::DebugCategory> = Lazy::new(|| {
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gst::DebugCategory::new(
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"awss3putobjectsink",
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gst::DebugColorFlags::empty(),
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Some("Amazon S3 PutObject Sink"),
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)
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});
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impl S3PutObjectSink {
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fn check_thresholds(
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&self,
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state: &Started,
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pts: Option<gst::ClockTime>,
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duration: Option<gst::ClockTime>,
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) -> bool {
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let settings = self.settings.lock().unwrap();
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#[allow(clippy::if_same_then_else)]
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#[allow(clippy::needless_bool)]
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// Verbose if/else form for readability
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if settings.flush_interval_buffers > 0
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&& (state.num_buffers % settings.flush_interval_buffers) == 0
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{
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true
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} else if settings.flush_interval_bytes > 0
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&& (state.buffer.len() as u64 % settings.flush_interval_bytes) == 0
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{
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true
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} else if settings.flush_interval_time.is_some()
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&& settings.flush_interval_time.unwrap() != DEFAULT_FLUSH_INTERVAL_TIME
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&& state.start_pts.is_some()
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&& pts.is_some()
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&& duration.is_some()
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&& (pts.unwrap() - state.start_pts.unwrap() + duration.unwrap())
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% settings.flush_interval_time.unwrap()
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== gst::ClockTime::from_nseconds(0)
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{
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true
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} else {
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false
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}
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}
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fn flush_buffer(&self) -> Result<(), Option<gst::ErrorMessage>> {
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let put_object_req = self.create_put_object_request();
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let put_object_req_future = put_object_req.send();
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let _output =
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s3utils::wait(&self.canceller, put_object_req_future).map_err(|err| match err {
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WaitError::FutureError(err) => Some(gst::error_msg!(
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gst::ResourceError::OpenWrite,
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["Failed to upload object: {}", err]
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)),
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WaitError::Cancelled => None,
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})?;
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2023-12-22 20:41:51 +00:00
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gst::debug!(CAT, imp: self, "Upload complete");
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Ok(())
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}
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fn create_put_object_request(&self) -> PutObjectFluentBuilder {
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let url = self.url.lock().unwrap();
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let settings = self.settings.lock().unwrap();
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let state = self.state.lock().unwrap();
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let state = match *state {
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State::Started(ref started_state) => started_state,
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State::Stopped => {
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unreachable!("Element should be started");
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}
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};
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let body = Some(ByteStream::from(state.buffer.clone()));
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let bucket = Some(url.as_ref().unwrap().bucket.to_owned());
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let key = Some(url.as_ref().unwrap().object.to_owned());
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let metadata = settings.to_metadata(self);
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let client = &state.client;
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client
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.put_object()
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.set_body(body)
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.set_bucket(bucket)
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.set_key(key)
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.set_metadata(metadata)
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}
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fn start(&self) -> Result<(), gst::ErrorMessage> {
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let mut state = self.state.lock().unwrap();
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let settings = self.settings.lock().unwrap();
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if let State::Started { .. } = *state {
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unreachable!("Element should be started");
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}
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let s3url = {
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let url = self.url.lock().unwrap();
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match *url {
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Some(ref url) => url.clone(),
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None => {
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return Err(gst::error_msg!(
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gst::ResourceError::Settings,
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["Cannot start without a URL being set"]
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));
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}
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}
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};
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let timeout_config = s3utils::timeout_config(settings.request_timeout);
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let cred = match (
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settings.access_key.as_ref(),
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settings.secret_access_key.as_ref(),
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) {
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(Some(access_key), Some(secret_access_key)) => Some(Credentials::new(
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access_key.clone(),
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secret_access_key.clone(),
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settings.session_token.clone(),
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None,
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"aws-s3-putobject-sink",
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)),
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_ => None,
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};
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let sdk_config =
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s3utils::wait_config(&self.canceller, s3url.region.clone(), timeout_config, cred)
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.map_err(|err| match err {
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WaitError::FutureError(err) => gst::error_msg!(
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gst::ResourceError::OpenWrite,
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["Failed to create SDK config: {}", err]
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),
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WaitError::Cancelled => {
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gst::error_msg!(
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gst::LibraryError::Failed,
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["SDK config request interrupted during start"]
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)
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}
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})?;
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let config_builder = config::Builder::from(&sdk_config)
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.retry_config(RetryConfig::standard().with_max_attempts(settings.retry_attempts));
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let config = if let Some(ref uri) = settings.endpoint_uri {
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config_builder.endpoint_url(uri).build()
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} else {
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config_builder.build()
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};
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let client = Client::from_conf(config);
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*state = State::Started(Started::new(client, Vec::new()));
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Ok(())
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}
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fn cancel(&self) {
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let mut canceller = self.canceller.lock().unwrap();
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if let Some(c) = canceller.take() {
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c.abort()
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};
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}
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fn set_uri(self: &S3PutObjectSink, url_str: Option<&str>) -> Result<(), glib::Error> {
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let state = self.state.lock().unwrap();
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if let State::Started { .. } = *state {
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return Err(glib::Error::new(
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gst::URIError::BadState,
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"Cannot set URI on a started s3sink",
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));
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}
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let mut url = self.url.lock().unwrap();
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if url_str.is_none() {
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*url = None;
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return Ok(());
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}
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gst::debug!(CAT, imp: self, "Setting uri to {:?}", url_str);
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let url_str = url_str.unwrap();
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match parse_s3_url(url_str) {
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Ok(s3url) => {
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*url = Some(s3url);
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Ok(())
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}
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Err(_) => Err(glib::Error::new(
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gst::URIError::BadUri,
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"Could not parse URI",
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)),
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}
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}
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}
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#[glib::object_subclass]
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impl ObjectSubclass for S3PutObjectSink {
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const NAME: &'static str = "GstAwsS3PutObjectSink";
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type Type = super::S3PutObjectSink;
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type ParentType = gst_base::BaseSink;
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}
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impl ObjectImpl for S3PutObjectSink {
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fn properties() -> &'static [glib::ParamSpec] {
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static PROPERTIES: Lazy<Vec<glib::ParamSpec>> = Lazy::new(|| {
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vec![
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glib::ParamSpecString::builder("bucket")
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.nick("S3 Bucket")
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.blurb("The bucket of the file to write")
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|
.mutable_ready()
|
|
|
|
.build(),
|
|
|
|
glib::ParamSpecString::builder("key")
|
|
|
|
.nick("S3 Key")
|
|
|
|
.blurb("The key of the file to write")
|
|
|
|
.mutable_ready()
|
|
|
|
.build(),
|
|
|
|
glib::ParamSpecString::builder("region")
|
|
|
|
.nick("AWS Region")
|
|
|
|
.blurb("An AWS region (e.g. eu-west-2).")
|
|
|
|
.default_value(Some("us-west-2"))
|
|
|
|
.mutable_ready()
|
|
|
|
.build(),
|
|
|
|
glib::ParamSpecString::builder("uri")
|
|
|
|
.nick("URI")
|
|
|
|
.blurb("The S3 object URI")
|
|
|
|
.mutable_ready()
|
|
|
|
.build(),
|
|
|
|
glib::ParamSpecString::builder("access-key")
|
|
|
|
.nick("Access Key")
|
|
|
|
.blurb("AWS Access Key")
|
|
|
|
.mutable_ready()
|
|
|
|
.build(),
|
|
|
|
glib::ParamSpecString::builder("secret-access-key")
|
|
|
|
.nick("Secret Access Key")
|
|
|
|
.blurb("AWS Secret Access Key")
|
|
|
|
.mutable_ready()
|
|
|
|
.build(),
|
|
|
|
glib::ParamSpecString::builder("session-token")
|
|
|
|
.nick("Session Token")
|
|
|
|
.blurb("AWS temporary Session Token from STS")
|
|
|
|
.mutable_ready()
|
|
|
|
.build(),
|
|
|
|
glib::ParamSpecBoxed::builder::<gst::Structure>("metadata")
|
|
|
|
.nick("Metadata")
|
|
|
|
.blurb("A map of metadata to store with the object in S3; field values need to be convertible to strings.")
|
|
|
|
.mutable_ready()
|
|
|
|
.build(),
|
|
|
|
glib::ParamSpecUInt::builder("retry-attempts")
|
|
|
|
.nick("Retry attempts")
|
|
|
|
.blurb("Number of times AWS SDK attempts a request before abandoning the request")
|
|
|
|
.minimum(1)
|
|
|
|
.maximum(10)
|
|
|
|
.default_value(DEFAULT_RETRY_ATTEMPTS)
|
|
|
|
.build(),
|
|
|
|
glib::ParamSpecInt64::builder("request-timeout")
|
|
|
|
.nick("Request timeout")
|
|
|
|
.blurb("Timeout for general S3 requests (in ms, set to -1 for infinity)")
|
|
|
|
.minimum(-1)
|
|
|
|
.default_value(DEFAULT_REQUEST_TIMEOUT_MSEC as i64)
|
|
|
|
.build(),
|
|
|
|
glib::ParamSpecString::builder("endpoint-uri")
|
|
|
|
.nick("S3 endpoint URI")
|
|
|
|
.blurb("The S3 endpoint URI to use")
|
|
|
|
.build(),
|
|
|
|
glib::ParamSpecString::builder("content-type")
|
|
|
|
.nick("content-type")
|
|
|
|
.blurb("Content-Type header to set for uploaded object")
|
|
|
|
.build(),
|
|
|
|
glib::ParamSpecString::builder("content-disposition")
|
|
|
|
.nick("content-disposition")
|
|
|
|
.blurb("Content-Disposition header to set for uploaded object")
|
|
|
|
.build(),
|
2023-09-28 15:36:04 +00:00
|
|
|
glib::ParamSpecUInt64::builder("flush-interval-buffers")
|
|
|
|
.nick("Flush interval in buffers")
|
|
|
|
.blurb("Number of buffers to accumulate before doing a write (0 => disable)")
|
|
|
|
.default_value(DEFAULT_FLUSH_INTERVAL_BUFFERS)
|
|
|
|
.build(),
|
|
|
|
glib::ParamSpecUInt64::builder("flush-interval-bytes")
|
|
|
|
.nick("Flush interval in bytes")
|
|
|
|
.blurb("Number of bytes to accumulate before doing a write (0 => disable)")
|
|
|
|
.default_value(DEFAULT_FLUSH_INTERVAL_BYTES)
|
|
|
|
.build(),
|
|
|
|
glib::ParamSpecUInt64::builder("flush-interval-time")
|
|
|
|
.nick("Flush interval in duration")
|
|
|
|
.blurb("Total duration of buffers to accumulate before doing a write (0 => disable)")
|
|
|
|
.default_value(DEFAULT_FLUSH_INTERVAL_TIME.nseconds())
|
|
|
|
.build(),
|
2023-09-28 16:38:19 +00:00
|
|
|
glib::ParamSpecBoolean::builder("flush-on-error")
|
|
|
|
.nick("Flush on error")
|
|
|
|
.blurb("Whether to write out the data on error (like stopping without an EOS)")
|
|
|
|
.default_value(DEFAULT_FLUSH_ON_ERROR)
|
|
|
|
.build(),
|
2023-09-27 17:08:10 +00:00
|
|
|
]
|
|
|
|
});
|
|
|
|
|
|
|
|
PROPERTIES.as_ref()
|
|
|
|
}
|
|
|
|
|
|
|
|
fn set_property(&self, _id: usize, value: &glib::Value, pspec: &glib::ParamSpec) {
|
|
|
|
let mut settings = self.settings.lock().unwrap();
|
|
|
|
|
|
|
|
gst::debug!(
|
|
|
|
CAT,
|
|
|
|
imp: self,
|
|
|
|
"Setting property '{}' to '{:?}'",
|
|
|
|
pspec.name(),
|
|
|
|
value
|
|
|
|
);
|
|
|
|
|
|
|
|
match pspec.name() {
|
|
|
|
"bucket" => {
|
|
|
|
settings.bucket = value
|
|
|
|
.get::<Option<String>>()
|
|
|
|
.expect("type checked upstream");
|
|
|
|
if settings.key.is_some() {
|
|
|
|
let _ = self.set_uri(Some(&settings.to_uri()));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
"key" => {
|
|
|
|
settings.key = value
|
|
|
|
.get::<Option<String>>()
|
|
|
|
.expect("type checked upstream");
|
|
|
|
if settings.bucket.is_some() {
|
|
|
|
let _ = self.set_uri(Some(&settings.to_uri()));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
"region" => {
|
|
|
|
let region = value.get::<String>().expect("type checked upstream");
|
|
|
|
settings.region = Region::new(region);
|
|
|
|
if settings.key.is_some() && settings.bucket.is_some() {
|
|
|
|
let _ = self.set_uri(Some(&settings.to_uri()));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
"uri" => {
|
|
|
|
let _ = self.set_uri(value.get().expect("type checked upstream"));
|
|
|
|
}
|
|
|
|
"access-key" => {
|
|
|
|
settings.access_key = value.get().expect("type checked upstream");
|
|
|
|
}
|
|
|
|
"secret-access-key" => {
|
|
|
|
settings.secret_access_key = value.get().expect("type checked upstream");
|
|
|
|
}
|
|
|
|
"session-token" => {
|
|
|
|
settings.session_token = value.get().expect("type checked upstream");
|
|
|
|
}
|
|
|
|
"metadata" => {
|
|
|
|
settings.metadata = value.get().expect("type checked upstream");
|
|
|
|
}
|
|
|
|
"retry-attempts" => {
|
|
|
|
settings.retry_attempts = value.get::<u32>().expect("type checked upstream");
|
|
|
|
}
|
|
|
|
"request-timeout" => {
|
|
|
|
settings.request_timeout =
|
|
|
|
duration_from_millis(value.get::<i64>().expect("type checked upstream"));
|
|
|
|
}
|
|
|
|
"endpoint-uri" => {
|
|
|
|
settings.endpoint_uri = value
|
|
|
|
.get::<Option<String>>()
|
|
|
|
.expect("type checked upstream");
|
|
|
|
if settings.key.is_some() && settings.bucket.is_some() {
|
|
|
|
let _ = self.set_uri(Some(&settings.to_uri()));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
"content-type" => {
|
|
|
|
settings.content_type = value
|
|
|
|
.get::<Option<String>>()
|
|
|
|
.expect("type checked upstream");
|
|
|
|
}
|
|
|
|
"content-disposition" => {
|
|
|
|
settings.content_disposition = value
|
|
|
|
.get::<Option<String>>()
|
|
|
|
.expect("type checked upstream");
|
|
|
|
}
|
2023-09-28 15:36:04 +00:00
|
|
|
"flush-interval-buffers" => {
|
|
|
|
settings.flush_interval_buffers =
|
|
|
|
value.get::<u64>().expect("type checked upstream");
|
|
|
|
}
|
|
|
|
"flush-interval-bytes" => {
|
|
|
|
settings.flush_interval_bytes = value.get::<u64>().expect("type checked upstream");
|
|
|
|
}
|
|
|
|
"flush-interval-time" => {
|
|
|
|
settings.flush_interval_time = value
|
|
|
|
.get::<Option<gst::ClockTime>>()
|
|
|
|
.expect("type checked upstream");
|
|
|
|
}
|
2023-09-28 16:38:19 +00:00
|
|
|
"flush-on-error" => {
|
|
|
|
settings.flush_on_error = value.get::<bool>().expect("type checked upstream");
|
|
|
|
}
|
2023-09-27 17:08:10 +00:00
|
|
|
_ => unimplemented!(),
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
fn property(&self, _id: usize, pspec: &glib::ParamSpec) -> glib::Value {
|
|
|
|
let settings = self.settings.lock().unwrap();
|
|
|
|
|
|
|
|
match pspec.name() {
|
|
|
|
"key" => settings.key.to_value(),
|
|
|
|
"bucket" => settings.bucket.to_value(),
|
|
|
|
"region" => settings.region.to_string().to_value(),
|
|
|
|
"uri" => {
|
|
|
|
let url = self.url.lock().unwrap();
|
|
|
|
let url = match *url {
|
|
|
|
Some(ref url) => url.to_string(),
|
|
|
|
None => "".to_string(),
|
|
|
|
};
|
|
|
|
|
|
|
|
url.to_value()
|
|
|
|
}
|
|
|
|
"access-key" => settings.access_key.to_value(),
|
|
|
|
"secret-access-key" => settings.secret_access_key.to_value(),
|
|
|
|
"session-token" => settings.session_token.to_value(),
|
|
|
|
"metadata" => settings.metadata.to_value(),
|
|
|
|
"retry-attempts" => settings.retry_attempts.to_value(),
|
|
|
|
"request-timeout" => duration_to_millis(Some(settings.request_timeout)).to_value(),
|
|
|
|
"endpoint-uri" => settings.endpoint_uri.to_value(),
|
|
|
|
"content-type" => settings.content_type.to_value(),
|
|
|
|
"content-disposition" => settings.content_disposition.to_value(),
|
2023-09-28 15:36:04 +00:00
|
|
|
"flush-interval-buffers" => settings.flush_interval_buffers.to_value(),
|
|
|
|
"flush-interval-bytes" => settings.flush_interval_bytes.to_value(),
|
|
|
|
"flush-interval-time" => settings.flush_interval_time.to_value(),
|
2023-09-28 16:38:19 +00:00
|
|
|
"flush-on-error" => settings.flush_on_error.to_value(),
|
2023-09-27 17:08:10 +00:00
|
|
|
_ => unimplemented!(),
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
impl GstObjectImpl for S3PutObjectSink {}
|
|
|
|
|
|
|
|
impl ElementImpl for S3PutObjectSink {
|
|
|
|
fn metadata() -> Option<&'static gst::subclass::ElementMetadata> {
|
|
|
|
static ELEMENT_METADATA: Lazy<gst::subclass::ElementMetadata> = Lazy::new(|| {
|
|
|
|
gst::subclass::ElementMetadata::new(
|
|
|
|
"Amazon S3 PutObject sink",
|
|
|
|
"Source/Network",
|
|
|
|
"Writes an object to Amazon S3 using PutObject (mostly useful for small files)",
|
|
|
|
"Arun Raghavan <arun@asymptotic.io>",
|
|
|
|
)
|
|
|
|
});
|
|
|
|
|
|
|
|
Some(&*ELEMENT_METADATA)
|
|
|
|
}
|
|
|
|
|
|
|
|
fn pad_templates() -> &'static [gst::PadTemplate] {
|
|
|
|
static PAD_TEMPLATES: Lazy<Vec<gst::PadTemplate>> = Lazy::new(|| {
|
|
|
|
let caps = gst::Caps::new_any();
|
|
|
|
let sink_pad_template = gst::PadTemplate::new(
|
|
|
|
"sink",
|
|
|
|
gst::PadDirection::Sink,
|
|
|
|
gst::PadPresence::Always,
|
|
|
|
&caps,
|
|
|
|
)
|
|
|
|
.unwrap();
|
|
|
|
|
|
|
|
vec![sink_pad_template]
|
|
|
|
});
|
|
|
|
|
|
|
|
PAD_TEMPLATES.as_ref()
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
impl BaseSinkImpl for S3PutObjectSink {
|
|
|
|
fn start(&self) -> Result<(), gst::ErrorMessage> {
|
|
|
|
self.start()
|
|
|
|
}
|
|
|
|
|
|
|
|
fn stop(&self) -> Result<(), gst::ErrorMessage> {
|
|
|
|
let mut state = self.state.lock().unwrap();
|
2023-09-28 16:38:19 +00:00
|
|
|
let settings = self.settings.lock().unwrap();
|
|
|
|
|
|
|
|
if let State::Started(ref started_state) = *state {
|
|
|
|
if settings.flush_on_error && started_state.need_flush {
|
|
|
|
drop(settings);
|
|
|
|
drop(state);
|
|
|
|
|
|
|
|
gst::warning!(CAT, imp: self, "Stopped without EOS, but flushing");
|
|
|
|
if let Err(error_message) = self.flush_buffer() {
|
|
|
|
gst::error!(
|
|
|
|
CAT,
|
|
|
|
imp: self,
|
|
|
|
"Failed to finalize the upload: {:?}",
|
|
|
|
error_message
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
|
|
|
state = self.state.lock().unwrap();
|
|
|
|
}
|
|
|
|
}
|
2023-09-27 17:08:10 +00:00
|
|
|
|
|
|
|
*state = State::Stopped;
|
|
|
|
gst::info!(CAT, imp: self, "Stopped");
|
|
|
|
|
|
|
|
Ok(())
|
|
|
|
}
|
|
|
|
|
|
|
|
fn render(&self, buffer: &gst::Buffer) -> Result<gst::FlowSuccess, gst::FlowError> {
|
|
|
|
let mut state = self.state.lock().unwrap();
|
|
|
|
|
|
|
|
let started_state = match *state {
|
|
|
|
State::Started(ref mut s) => s,
|
|
|
|
State::Stopped => {
|
|
|
|
gst::element_imp_error!(self, gst::CoreError::Failed, ["Not started yet"]);
|
|
|
|
return Err(gst::FlowError::Error);
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
2023-09-28 15:36:04 +00:00
|
|
|
if started_state.start_pts.is_none() {
|
|
|
|
started_state.start_pts = buffer.pts();
|
|
|
|
}
|
|
|
|
|
|
|
|
started_state.num_buffers += 1;
|
2023-09-28 16:38:19 +00:00
|
|
|
started_state.need_flush = true;
|
2023-09-28 15:36:04 +00:00
|
|
|
|
2023-09-27 17:08:10 +00:00
|
|
|
gst::trace!(CAT, imp: self, "Rendering {:?}", buffer);
|
|
|
|
let map = buffer.map_readable().map_err(|_| {
|
|
|
|
gst::element_imp_error!(self, gst::CoreError::Failed, ["Failed to map buffer"]);
|
|
|
|
gst::FlowError::Error
|
|
|
|
})?;
|
|
|
|
|
|
|
|
started_state.buffer.extend_from_slice(map.as_slice());
|
2023-09-28 15:36:04 +00:00
|
|
|
|
|
|
|
if !self.check_thresholds(started_state, buffer.pts(), buffer.duration()) {
|
|
|
|
return Ok(gst::FlowSuccess::Ok);
|
|
|
|
}
|
|
|
|
|
2023-09-27 17:08:10 +00:00
|
|
|
drop(state);
|
|
|
|
|
|
|
|
match self.flush_buffer() {
|
|
|
|
Ok(_) => Ok(gst::FlowSuccess::Ok),
|
|
|
|
Err(err) => match err {
|
|
|
|
Some(error_message) => {
|
|
|
|
gst::error!(CAT, imp: self, "Upload failed: {}", error_message);
|
|
|
|
self.post_error_message(error_message);
|
|
|
|
Err(gst::FlowError::Error)
|
|
|
|
}
|
|
|
|
_ => {
|
|
|
|
gst::info!(CAT, imp: self, "Upload interrupted. Flushing...");
|
|
|
|
Err(gst::FlowError::Flushing)
|
|
|
|
}
|
|
|
|
},
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
fn unlock(&self) -> Result<(), gst::ErrorMessage> {
|
|
|
|
self.cancel();
|
|
|
|
|
|
|
|
Ok(())
|
|
|
|
}
|
|
|
|
|
|
|
|
fn event(&self, event: gst::Event) -> bool {
|
|
|
|
if let gst::EventView::Eos(_) = event.view() {
|
2023-09-28 16:38:19 +00:00
|
|
|
let mut state = self.state.lock().unwrap();
|
|
|
|
|
|
|
|
if let State::Started(ref mut started_state) = *state {
|
|
|
|
started_state.need_flush = false;
|
|
|
|
}
|
|
|
|
|
|
|
|
drop(state);
|
|
|
|
|
2023-09-27 17:08:10 +00:00
|
|
|
if let Err(error_message) = self.flush_buffer() {
|
|
|
|
gst::error!(
|
|
|
|
CAT,
|
|
|
|
imp: self,
|
|
|
|
"Failed to finalize the upload: {:?}",
|
|
|
|
error_message
|
|
|
|
);
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
BaseSinkImplExt::parent_event(self, event)
|
|
|
|
}
|
|
|
|
}
|