net.snowflake.client.core

Class HttpUtil

java.lang.Object

net.snowflake.client.core.HttpUtil

public class HttpUtil
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	HttpUtil.HttpInputStream

Field Summary

Fields

Modifier and Type	Field and Description
static Map<HttpClientSettingsKey,org.apache.http.impl.client.CloseableHttpClient>	httpClient The unique httpClient shared by all connections.
static String	JDBC_MAX_CONNECTIONS_PER_ROUTE_PROPERTY
static String	JDBC_MAX_CONNECTIONS_PROPERTY
static String	JDBC_TTL

Constructor Summary

Constructors

Constructor and Description
HttpUtil()

Method Summary

Modifier and Type	Method and Description
static void	closeExpiredAndIdleConnections()
static String	executeGeneralRequest(org.apache.http.client.methods.HttpRequestBase httpRequest, int retryTimeout, HttpClientSettingsKey ocspAndProxyKey) Executes a HTTP request for Snowflake.
static String	executeRequest(org.apache.http.client.methods.HttpRequestBase httpRequest, int retryTimeout, int injectSocketTimeout, AtomicBoolean canceling, boolean includeRetryParameters, boolean retryOnHTTP403, HttpClientSettingsKey ocspAndProxyKey) Executes a HTTP request for Snowflake.
static org.apache.http.client.config.RequestConfig	getDefaultRequestConfigWithSocketTimeout(int soTimeoutMs, boolean withoutCookies) Return a request configuration inheriting from the default request configuration of the shared HttpClient with a different socket timeout.
static long	getDownloadedConditionTimeoutInSeconds()
static org.apache.http.impl.client.CloseableHttpClient	getHttpClient(HttpClientSettingsKey ocspAndProxyKey) Gets HttpClient with insecureMode false
static org.apache.http.impl.client.CloseableHttpClient	getHttpClientWithoutDecompression(HttpClientSettingsKey ocspAndProxyKey) Gets HttpClient with insecureMode false and disabling decompression
static org.apache.http.client.config.RequestConfig	getRequestConfigWithoutCookies() Return a request configuration inheriting from the default request configuration of the shared HttpClient with the coopkie spec set to ignore.
static org.apache.http.impl.client.CloseableHttpClient	initHttpClient(HttpClientSettingsKey key, File ocspCacheFile) Accessor for the HTTP client singleton.
static org.apache.http.impl.client.CloseableHttpClient	initHttpClientWithoutDecompression(HttpClientSettingsKey key, File ocspCacheFile) Accessor for the HTTP client singleton.
static boolean	isSocksProxyDisabled() Returns whether the SOCKS proxy is disabled for this JVM
static void	setProxyForAzure(HttpClientSettingsKey key, com.microsoft.azure.storage.OperationContext opContext) A static function to set Azure proxy params when there is a valid session
static void	setProxyForS3(HttpClientSettingsKey key, com.amazonaws.ClientConfiguration clientConfig) A static function to set S3 proxy params when there is a valid session
static void	setRequestConfig(org.apache.http.client.config.RequestConfig requestConfig)
static void	setSessionlessProxyForAzure(Properties proxyProperties, com.microsoft.azure.storage.OperationContext opContext) A static function to set Azure proxy params for sessionless connections using the proxy params from the StageInfo
static void	setSessionlessProxyForS3(Properties proxyProperties, com.amazonaws.ClientConfiguration clientConfig) A static function to set S3 proxy params for sessionless connections using the proxy params from the StageInfo
static void	setSocksProxyDisabled(boolean socksProxyDisabled) Enables/disables use of the SOCKS proxy when creating sockets
static void	updateRoutePlanner(HttpClientSettingsKey key)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

JDBC_TTL

public static final String JDBC_TTL

See Also:

Constant Field Values

JDBC_MAX_CONNECTIONS_PROPERTY

public static final String JDBC_MAX_CONNECTIONS_PROPERTY

See Also:

Constant Field Values

JDBC_MAX_CONNECTIONS_PER_ROUTE_PROPERTY

public static final String JDBC_MAX_CONNECTIONS_PER_ROUTE_PROPERTY

See Also:

Constant Field Values

httpClient

public static Map<HttpClientSettingsKey,org.apache.http.impl.client.CloseableHttpClient> httpClient

The unique httpClient shared by all connections. This will benefit long- lived clients. Key = proxy host + proxy port + nonProxyHosts, Value = Map of [OCSPMode, HttpClient]

Constructor Detail

HttpUtil

public HttpUtil()

Method Detail

getDownloadedConditionTimeoutInSeconds

public static long getDownloadedConditionTimeoutInSeconds()

closeExpiredAndIdleConnections

public static void closeExpiredAndIdleConnections()

setProxyForS3

public static void setProxyForS3(HttpClientSettingsKey key,
                                 com.amazonaws.ClientConfiguration clientConfig)

A static function to set S3 proxy params when there is a valid session

Parameters:

key - key to HttpClient map containing OCSP and proxy info

clientConfig - the configuration needed by S3 to set the proxy

setSessionlessProxyForS3

public static void setSessionlessProxyForS3(Properties proxyProperties,
                                            com.amazonaws.ClientConfiguration clientConfig)
                                     throws SnowflakeSQLException

A static function to set S3 proxy params for sessionless connections using the proxy params from the StageInfo

Parameters:

proxyProperties - proxy properties

clientConfig - the configuration needed by S3 to set the proxy

Throws:

SnowflakeSQLException

setSessionlessProxyForAzure

public static void setSessionlessProxyForAzure(Properties proxyProperties,
                                               com.microsoft.azure.storage.OperationContext opContext)
                                        throws SnowflakeSQLException

A static function to set Azure proxy params for sessionless connections using the proxy params from the StageInfo

Parameters:

proxyProperties - proxy properties

opContext - the configuration needed by Azure to set the proxy

Throws:

SnowflakeSQLException

setProxyForAzure

public static void setProxyForAzure(HttpClientSettingsKey key,
                                    com.microsoft.azure.storage.OperationContext opContext)

A static function to set Azure proxy params when there is a valid session

Parameters:

key - key to HttpClient map containing OCSP and proxy info

opContext - the configuration needed by Azure to set the proxy

updateRoutePlanner

public static void updateRoutePlanner(HttpClientSettingsKey key)

getHttpClient

public static org.apache.http.impl.client.CloseableHttpClient getHttpClient(HttpClientSettingsKey ocspAndProxyKey)

Gets HttpClient with insecureMode false

Parameters:

ocspAndProxyKey - OCSP mode and proxy settings for httpclient

Returns:

HttpClient object shared across all connections

getHttpClientWithoutDecompression

public static org.apache.http.impl.client.CloseableHttpClient getHttpClientWithoutDecompression(HttpClientSettingsKey ocspAndProxyKey)

Gets HttpClient with insecureMode false and disabling decompression

Parameters:

ocspAndProxyKey - OCSP mode and proxy settings for httpclient

Returns:

HttpClient object shared across all connections

initHttpClientWithoutDecompression

public static org.apache.http.impl.client.CloseableHttpClient initHttpClientWithoutDecompression(HttpClientSettingsKey key,
                                                                                                 File ocspCacheFile)

Accessor for the HTTP client singleton.

Parameters:

key - contains information needed to build specific HttpClient

ocspCacheFile - OCSP response cache file name. if null, the default file will be used.

Returns:

HttpClient object shared across all connections

initHttpClient

public static org.apache.http.impl.client.CloseableHttpClient initHttpClient(HttpClientSettingsKey key,
                                                                             File ocspCacheFile)

Accessor for the HTTP client singleton.

Parameters:

key - contains information needed to build specific HttpClient

ocspCacheFile - OCSP response cache file name. if null, the default file will be used.

Returns:

HttpClient object shared across all connections

getDefaultRequestConfigWithSocketTimeout

public static org.apache.http.client.config.RequestConfig getDefaultRequestConfigWithSocketTimeout(int soTimeoutMs,
                                                                                                   boolean withoutCookies)

Return a request configuration inheriting from the default request configuration of the shared HttpClient with a different socket timeout.

Parameters:

soTimeoutMs - - custom socket timeout in milli-seconds

withoutCookies - - whether this request should ignore cookies or not

Returns:

RequestConfig object

getRequestConfigWithoutCookies

public static org.apache.http.client.config.RequestConfig getRequestConfigWithoutCookies()

Return a request configuration inheriting from the default request configuration of the shared HttpClient with the coopkie spec set to ignore.

Returns:

RequestConfig object

setRequestConfig

public static void setRequestConfig(org.apache.http.client.config.RequestConfig requestConfig)

setSocksProxyDisabled

public static void setSocksProxyDisabled(boolean socksProxyDisabled)

Enables/disables use of the SOCKS proxy when creating sockets

Parameters:

socksProxyDisabled - new value

isSocksProxyDisabled

public static boolean isSocksProxyDisabled()

Returns whether the SOCKS proxy is disabled for this JVM

Returns:

whether the SOCKS proxy is disabled

executeGeneralRequest

public static String executeGeneralRequest(org.apache.http.client.methods.HttpRequestBase httpRequest,
                                           int retryTimeout,
                                           HttpClientSettingsKey ocspAndProxyKey)
                                    throws SnowflakeSQLException,
                                           IOException

Executes a HTTP request for Snowflake.

Parameters:

httpRequest - HttpRequestBase

retryTimeout - retry timeout

ocspAndProxyKey - OCSP mode and proxy settings for httpclient

Returns:

response

Throws:

SnowflakeSQLException - if Snowflake error occurs

IOException - raises if a general IO error occurs

executeRequest

public static String executeRequest(org.apache.http.client.methods.HttpRequestBase httpRequest,
                                    int retryTimeout,
                                    int injectSocketTimeout,
                                    AtomicBoolean canceling,
                                    boolean includeRetryParameters,
                                    boolean retryOnHTTP403,
                                    HttpClientSettingsKey ocspAndProxyKey)
                             throws SnowflakeSQLException,
                                    IOException

Executes a HTTP request for Snowflake.

Parameters:

httpRequest - HttpRequestBase

retryTimeout - retry timeout

injectSocketTimeout - injecting socket timeout

canceling - canceling?

includeRetryParameters - whether to include retry parameters in retried requests

retryOnHTTP403 - whether to retry on HTTP 403 or not

ocspAndProxyKey - OCSP mode and proxy settings for httpclient

Returns:

response

Throws:

SnowflakeSQLException - if Snowflake error occurs

IOException - raises if a general IO error occurs