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<?php
/*
* Copyright 2014 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
namespace Google\Service\Compute;
class BackendServiceCdnPolicy extends \Google\Collection
{
/**
* Automatically cache static content, including common image formats, media
* (video and audio), and web assets (JavaScript and CSS). Requests and
* responses that are marked as uncacheable, as well as dynamic content
* (including HTML), will not be cached.
*/
public const CACHE_MODE_CACHE_ALL_STATIC = 'CACHE_ALL_STATIC';
/**
* Cache all content, ignoring any "private", "no-store" or "no-cache"
* directives in Cache-Control response headers. Warning: this may result in
* Cloud CDN caching private, per-user (user identifiable) content.
*/
public const CACHE_MODE_FORCE_CACHE_ALL = 'FORCE_CACHE_ALL';
public const CACHE_MODE_INVALID_CACHE_MODE = 'INVALID_CACHE_MODE';
/**
* Requires the origin to set valid caching headers to cache content.
* Responses without these headers will not be cached at Google's edge, and
* will require a full trip to the origin on every request, potentially
* impacting performance and increasing load on the origin server.
*/
public const CACHE_MODE_USE_ORIGIN_HEADERS = 'USE_ORIGIN_HEADERS';
protected $collection_key = 'signedUrlKeyNames';
protected $bypassCacheOnRequestHeadersType = BackendServiceCdnPolicyBypassCacheOnRequestHeader::class;
protected $bypassCacheOnRequestHeadersDataType = 'array';
protected $cacheKeyPolicyType = CacheKeyPolicy::class;
protected $cacheKeyPolicyDataType = '';
/**
* Specifies the cache setting for all responses from this backend. The
* possible values are:USE_ORIGIN_HEADERS Requires the origin to set valid
* caching headers to cache content. Responses without these headers will not
* be cached at Google's edge, and will require a full trip to the origin on
* every request, potentially impacting performance and increasing load on the
* origin server.FORCE_CACHE_ALL Cache all content, ignoring any "private",
* "no-store" or "no-cache" directives in Cache-Control response headers.
* Warning: this may result in Cloud CDN caching private, per-user (user
* identifiable) content.CACHE_ALL_STATIC Automatically cache static content,
* including common image formats, media (video and audio), and web assets
* (JavaScript and CSS). Requests and responses that are marked as
* uncacheable, as well as dynamic content (including HTML), will not be
* cached.
*
* If no value is provided for cdnPolicy.cacheMode, it defaults to
* CACHE_ALL_STATIC.
*
* @var string
*/
public $cacheMode;
/**
* Specifies a separate client (e.g. browser client) maximum TTL. This is used
* to clamp the max-age (or Expires) value sent to the client. With
* FORCE_CACHE_ALL, the lesser of client_ttl and default_ttl is used for the
* response max-age directive, along with a "public" directive. For cacheable
* content in CACHE_ALL_STATIC mode, client_ttl clamps the max-age from the
* origin (if specified), or else sets the response max-age directive to the
* lesser of the client_ttl and default_ttl, and also ensures a "public"
* cache-control directive is present. If a client TTL is not specified, a
* default value (1 hour) will be used. The maximum allowed value is
* 31,622,400s (1 year).
*
* @var int
*/
public $clientTtl;
/**
* Specifies the default TTL for cached content served by this origin for
* responses that do not have an existing valid TTL (max-age or s-maxage).
* Setting a TTL of "0" means "always revalidate". The value of defaultTTL
* cannot be set to a value greater than that of maxTTL, but can be equal.
* When the cacheMode is set to FORCE_CACHE_ALL, the defaultTTL will overwrite
* the TTL set in all responses. The maximum allowed value is 31,622,400s (1
* year), noting that infrequently accessed objects may be evicted from the
* cache before the defined TTL.
*
* @var int
*/
public $defaultTtl;
/**
* Specifies the maximum allowed TTL for cached content served by this origin.
* Cache directives that attempt to set a max-age or s-maxage higher than
* this, or an Expires header more than maxTTL seconds in the future will be
* capped at the value of maxTTL, as if it were the value of an s-maxage
* Cache-Control directive. Headers sent to the client will not be modified.
* Setting a TTL of "0" means "always revalidate". The maximum allowed value
* is 31,622,400s (1 year), noting that infrequently accessed objects may be
* evicted from the cache before the defined TTL.
*
* @var int
*/
public $maxTtl;
/**
* Negative caching allows per-status code TTLs to be set, in order to apply
* fine-grained caching for common errors or redirects. This can reduce the
* load on your origin and improve end-user experience by reducing response
* latency. When the cache mode is set to CACHE_ALL_STATIC or
* USE_ORIGIN_HEADERS, negative caching applies to responses with the
* specified response code that lack any Cache-Control, Expires, or Pragma:
* no-cache directives. When the cache mode is set to FORCE_CACHE_ALL,
* negative caching applies to all responses with the specified response code,
* and override any caching headers. By default, Cloud CDN will apply the
* following default TTLs to these status codes: HTTP 300 (Multiple Choice),
* 301, 308 (Permanent Redirects): 10m HTTP 404 (Not Found), 410 (Gone), 451
* (Unavailable For Legal Reasons): 120s HTTP 405 (Method Not Found), 501 (Not
* Implemented): 60s. These defaults can be overridden in
* negative_caching_policy.
*
* @var bool
*/
public $negativeCaching;
protected $negativeCachingPolicyType = BackendServiceCdnPolicyNegativeCachingPolicy::class;
protected $negativeCachingPolicyDataType = 'array';
/**
* If true then Cloud CDN will combine multiple concurrent cache fill requests
* into a small number of requests to the origin.
*
* @var bool
*/
public $requestCoalescing;
/**
* Serve existing content from the cache (if available) when revalidating
* content with the origin, or when an error is encountered when refreshing
* the cache. This setting defines the default "max-stale" duration for any
* cached responses that do not specify a max-stale directive. Stale responses
* that exceed the TTL configured here will not be served. The default limit
* (max-stale) is 86400s (1 day), which will allow stale content to be served
* up to this limit beyond the max-age (or s-maxage) of a cached response. The
* maximum allowed value is 604800 (1 week). Set this to zero (0) to disable
* serve-while-stale.
*
* @var int
*/
public $serveWhileStale;
/**
* Maximum number of seconds the response to a signed URL request will be
* considered fresh. After this time period, the response will be revalidated
* before being served. Defaults to 1hr (3600s). When serving responses to
* signed URL requests, Cloud CDN will internally behave as though all
* responses from this backend had a "Cache-Control: public, max-age=[TTL]"
* header, regardless of any existing Cache-Control header. The actual headers
* served in responses will not be altered.
*
* @var string
*/
public $signedUrlCacheMaxAgeSec;
/**
* [Output Only] Names of the keys for signing request URLs.
*
* @var string[]
*/
public $signedUrlKeyNames;
/**
* Bypass the cache when the specified request headers are matched - e.g.
* Pragma or Authorization headers. Up to 5 headers can be specified. The
* cache is bypassed for all cdnPolicy.cacheMode settings.
*
* @param BackendServiceCdnPolicyBypassCacheOnRequestHeader[] $bypassCacheOnRequestHeaders
*/
public function setBypassCacheOnRequestHeaders($bypassCacheOnRequestHeaders)
{
$this->bypassCacheOnRequestHeaders = $bypassCacheOnRequestHeaders;
}
/**
* @return BackendServiceCdnPolicyBypassCacheOnRequestHeader[]
*/
public function getBypassCacheOnRequestHeaders()
{
return $this->bypassCacheOnRequestHeaders;
}
/**
* The CacheKeyPolicy for this CdnPolicy.
*
* @param CacheKeyPolicy $cacheKeyPolicy
*/
public function setCacheKeyPolicy(CacheKeyPolicy $cacheKeyPolicy)
{
$this->cacheKeyPolicy = $cacheKeyPolicy;
}
/**
* @return CacheKeyPolicy
*/
public function getCacheKeyPolicy()
{
return $this->cacheKeyPolicy;
}
/**
* Specifies the cache setting for all responses from this backend. The
* possible values are:USE_ORIGIN_HEADERS Requires the origin to set valid
* caching headers to cache content. Responses without these headers will not
* be cached at Google's edge, and will require a full trip to the origin on
* every request, potentially impacting performance and increasing load on the
* origin server.FORCE_CACHE_ALL Cache all content, ignoring any "private",
* "no-store" or "no-cache" directives in Cache-Control response headers.
* Warning: this may result in Cloud CDN caching private, per-user (user
* identifiable) content.CACHE_ALL_STATIC Automatically cache static content,
* including common image formats, media (video and audio), and web assets
* (JavaScript and CSS). Requests and responses that are marked as
* uncacheable, as well as dynamic content (including HTML), will not be
* cached.
*
* If no value is provided for cdnPolicy.cacheMode, it defaults to
* CACHE_ALL_STATIC.
*
* Accepted values: CACHE_ALL_STATIC, FORCE_CACHE_ALL, INVALID_CACHE_MODE,
* USE_ORIGIN_HEADERS
*
* @param self::CACHE_MODE_* $cacheMode
*/
public function setCacheMode($cacheMode)
{
$this->cacheMode = $cacheMode;
}
/**
* @return self::CACHE_MODE_*
*/
public function getCacheMode()
{
return $this->cacheMode;
}
/**
* Specifies a separate client (e.g. browser client) maximum TTL. This is used
* to clamp the max-age (or Expires) value sent to the client. With
* FORCE_CACHE_ALL, the lesser of client_ttl and default_ttl is used for the
* response max-age directive, along with a "public" directive. For cacheable
* content in CACHE_ALL_STATIC mode, client_ttl clamps the max-age from the
* origin (if specified), or else sets the response max-age directive to the
* lesser of the client_ttl and default_ttl, and also ensures a "public"
* cache-control directive is present. If a client TTL is not specified, a
* default value (1 hour) will be used. The maximum allowed value is
* 31,622,400s (1 year).
*
* @param int $clientTtl
*/
public function setClientTtl($clientTtl)
{
$this->clientTtl = $clientTtl;
}
/**
* @return int
*/
public function getClientTtl()
{
return $this->clientTtl;
}
/**
* Specifies the default TTL for cached content served by this origin for
* responses that do not have an existing valid TTL (max-age or s-maxage).
* Setting a TTL of "0" means "always revalidate". The value of defaultTTL
* cannot be set to a value greater than that of maxTTL, but can be equal.
* When the cacheMode is set to FORCE_CACHE_ALL, the defaultTTL will overwrite
* the TTL set in all responses. The maximum allowed value is 31,622,400s (1
* year), noting that infrequently accessed objects may be evicted from the
* cache before the defined TTL.
*
* @param int $defaultTtl
*/
public function setDefaultTtl($defaultTtl)
{
$this->defaultTtl = $defaultTtl;
}
/**
* @return int
*/
public function getDefaultTtl()
{
return $this->defaultTtl;
}
/**
* Specifies the maximum allowed TTL for cached content served by this origin.
* Cache directives that attempt to set a max-age or s-maxage higher than
* this, or an Expires header more than maxTTL seconds in the future will be
* capped at the value of maxTTL, as if it were the value of an s-maxage
* Cache-Control directive. Headers sent to the client will not be modified.
* Setting a TTL of "0" means "always revalidate". The maximum allowed value
* is 31,622,400s (1 year), noting that infrequently accessed objects may be
* evicted from the cache before the defined TTL.
*
* @param int $maxTtl
*/
public function setMaxTtl($maxTtl)
{
$this->maxTtl = $maxTtl;
}
/**
* @return int
*/
public function getMaxTtl()
{
return $this->maxTtl;
}
/**
* Negative caching allows per-status code TTLs to be set, in order to apply
* fine-grained caching for common errors or redirects. This can reduce the
* load on your origin and improve end-user experience by reducing response
* latency. When the cache mode is set to CACHE_ALL_STATIC or
* USE_ORIGIN_HEADERS, negative caching applies to responses with the
* specified response code that lack any Cache-Control, Expires, or Pragma:
* no-cache directives. When the cache mode is set to FORCE_CACHE_ALL,
* negative caching applies to all responses with the specified response code,
* and override any caching headers. By default, Cloud CDN will apply the
* following default TTLs to these status codes: HTTP 300 (Multiple Choice),
* 301, 308 (Permanent Redirects): 10m HTTP 404 (Not Found), 410 (Gone), 451
* (Unavailable For Legal Reasons): 120s HTTP 405 (Method Not Found), 501 (Not
* Implemented): 60s. These defaults can be overridden in
* negative_caching_policy.
*
* @param bool $negativeCaching
*/
public function setNegativeCaching($negativeCaching)
{
$this->negativeCaching = $negativeCaching;
}
/**
* @return bool
*/
public function getNegativeCaching()
{
return $this->negativeCaching;
}
/**
* Sets a cache TTL for the specified HTTP status code. negative_caching must
* be enabled to configure negative_caching_policy. Omitting the policy and
* leaving negative_caching enabled will use Cloud CDN's default cache TTLs.
* Note that when specifying an explicit negative_caching_policy, you should
* take care to specify a cache TTL for all response codes that you wish to
* cache. Cloud CDN will not apply any default negative caching when a policy
* exists.
*
* @param BackendServiceCdnPolicyNegativeCachingPolicy[] $negativeCachingPolicy
*/
public function setNegativeCachingPolicy($negativeCachingPolicy)
{
$this->negativeCachingPolicy = $negativeCachingPolicy;
}
/**
* @return BackendServiceCdnPolicyNegativeCachingPolicy[]
*/
public function getNegativeCachingPolicy()
{
return $this->negativeCachingPolicy;
}
/**
* If true then Cloud CDN will combine multiple concurrent cache fill requests
* into a small number of requests to the origin.
*
* @param bool $requestCoalescing
*/
public function setRequestCoalescing($requestCoalescing)
{
$this->requestCoalescing = $requestCoalescing;
}
/**
* @return bool
*/
public function getRequestCoalescing()
{
return $this->requestCoalescing;
}
/**
* Serve existing content from the cache (if available) when revalidating
* content with the origin, or when an error is encountered when refreshing
* the cache. This setting defines the default "max-stale" duration for any
* cached responses that do not specify a max-stale directive. Stale responses
* that exceed the TTL configured here will not be served. The default limit
* (max-stale) is 86400s (1 day), which will allow stale content to be served
* up to this limit beyond the max-age (or s-maxage) of a cached response. The
* maximum allowed value is 604800 (1 week). Set this to zero (0) to disable
* serve-while-stale.
*
* @param int $serveWhileStale
*/
public function setServeWhileStale($serveWhileStale)
{
$this->serveWhileStale = $serveWhileStale;
}
/**
* @return int
*/
public function getServeWhileStale()
{
return $this->serveWhileStale;
}
/**
* Maximum number of seconds the response to a signed URL request will be
* considered fresh. After this time period, the response will be revalidated
* before being served. Defaults to 1hr (3600s). When serving responses to
* signed URL requests, Cloud CDN will internally behave as though all
* responses from this backend had a "Cache-Control: public, max-age=[TTL]"
* header, regardless of any existing Cache-Control header. The actual headers
* served in responses will not be altered.
*
* @param string $signedUrlCacheMaxAgeSec
*/
public function setSignedUrlCacheMaxAgeSec($signedUrlCacheMaxAgeSec)
{
$this->signedUrlCacheMaxAgeSec = $signedUrlCacheMaxAgeSec;
}
/**
* @return string
*/
public function getSignedUrlCacheMaxAgeSec()
{
return $this->signedUrlCacheMaxAgeSec;
}
/**
* [Output Only] Names of the keys for signing request URLs.
*
* @param string[] $signedUrlKeyNames
*/
public function setSignedUrlKeyNames($signedUrlKeyNames)
{
$this->signedUrlKeyNames = $signedUrlKeyNames;
}
/**
* @return string[]
*/
public function getSignedUrlKeyNames()
{
return $this->signedUrlKeyNames;
}
}
// Adding a class alias for backwards compatibility with the previous class name.
class_alias(BackendServiceCdnPolicy::class, 'Google_Service_Compute_BackendServiceCdnPolicy');