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Interface ConnectionPoolOptions

Hierarchy

Index

Properties

Optional ALPNProtocols

ALPNProtocols?: Uint8Array | string[] | Uint8Array[]

An array of strings or a Buffer naming possible ALPN protocols. (Protocols should be ordered by their priority.)

Optional autoEncrypter

autoEncrypter?: AutoEncrypter

Optional ca

ca?: string | Buffer | (string | Buffer)[]

Optionally override the trusted CA certificates. Default is to trust the well-known CAs curated by Mozilla. Mozilla's CAs are completely replaced when CAs are explicitly specified using this option.

Optional cancellationToken

cancellationToken?: CancellationToken

Optional cert

cert?: string | Buffer | (string | Buffer)[]

Cert chains in PEM format. One cert chain should be provided per private key. Each cert chain should consist of the PEM formatted certificate for a provided private key, followed by the PEM formatted intermediate certificates (if any), in order, and not including the root CA (the root CA must be pre-known to the peer, see ca). When providing multiple cert chains, they do not have to be in the same order as their private keys in key. If the intermediate certificates are not provided, the peer will not be able to validate the certificate, and the handshake will fail.

Optional checkServerIdentity

checkServerIdentity?: (hostname: string, cert: PeerCertificate) => Error | undefined

Type declaration

    • (hostname: string, cert: PeerCertificate): Error | undefined
    • Verifies the certificate cert is issued to hostname.

      Returns Error object, populating it with reason, host, and cert on failure. On success, returns undefined.

      This function can be overwritten by providing alternative function as part of the options.checkServerIdentity option passed to tls.connect(). The overwriting function can call tls.checkServerIdentity() of course, to augment the checks done with additional verification.

      This function is only called if the certificate passed all other checks, such as being issued by trusted CA (options.ca).

      since

      v0.8.4

      Parameters

      • hostname: string

        The host name or IP address to verify the certificate against.

      • cert: PeerCertificate

        A certificate object representing the peer's certificate.

      Returns Error | undefined

Optional ciphers

ciphers?: string

Cipher suite specification, replacing the default. For more information, see modifying the default cipher suite. Permitted ciphers can be obtained via tls.getCiphers(). Cipher names must be uppercased in order for OpenSSL to accept them.

Optional compressors

compressors?: ("none" | "snappy" | "zlib")[]

Optional connectTimeoutMS

connectTimeoutMS?: number

Optional connectionType

connectionType?: typeof Connection

Optional credentials

credentials?: MongoCredentials

Optional crl

crl?: string | Buffer | (string | Buffer)[]

PEM formatted CRLs (Certificate Revocation Lists).

Optional ecdhCurve

ecdhCurve?: string

A string describing a named curve or a colon separated list of curve NIDs or names, for example P-521:P-384:P-256, to use for ECDH key agreement. Set to auto to select the curve automatically. Use crypto.getCurves() to obtain a list of available curve names. On recent releases, openssl ecparam -list_curves will also display the name and description of each available elliptic curve. Default: tls.DEFAULT_ECDH_CURVE.

Optional family

family?: number

Optional hints

hints?: number

hostAddress

hostAddress: HostAddress

Optional keepAlive

keepAlive?: boolean

Optional keepAliveInitialDelay

keepAliveInitialDelay?: number

Optional key

key?: string | Buffer | (Buffer | KeyObject)[]

Private keys in PEM format. PEM allows the option of private keys being encrypted. Encrypted keys will be decrypted with options.passphrase. Multiple keys using different algorithms can be provided either as an array of unencrypted key strings or buffers, or an array of objects in the form {pem: <string|buffer>[, passphrase: ]}. The object form can only occur in an array. object.passphrase is optional. Encrypted keys will be decrypted with object.passphrase if provided, or options.passphrase if it is not.

loadBalanced

loadBalanced: boolean

If we are in load balancer mode.

Optional localAddress

localAddress?: string

Optional localPort

localPort?: number

Optional logicalSessionTimeoutMinutes

logicalSessionTimeoutMinutes?: number

Optional lookup

lookup?: LookupFunction

maxIdleTimeMS

maxIdleTimeMS: number

The maximum amount of time a connection should remain idle in the connection pool before being marked idle.

maxPoolSize

maxPoolSize: number

The maximum number of connections that may be associated with a pool at a given time. This includes in use and available connections.

metadata

metadata: ClientMetadata

Optional minDHSize

minDHSize?: number

minPoolSize

minPoolSize: number

The minimum number of connections that MUST exist at any moment in a single connection pool.

monitorCommands

monitorCommands: boolean

Optional noDelay

noDelay?: boolean

Optional passphrase

passphrase?: string

Shared passphrase used for a single private key and/or a PFX.

Optional pfx

pfx?: string | Buffer | (string | Buffer | PxfObject)[]

PFX or PKCS12 encoded private key and certificate chain. pfx is an alternative to providing key and cert individually. PFX is usually encrypted, if it is, passphrase will be used to decrypt it. Multiple PFX can be provided either as an array of unencrypted PFX buffers, or an array of objects in the form {buf: <string|buffer>[, passphrase: ]}. The object form can only occur in an array. object.passphrase is optional. Encrypted PFX will be decrypted with object.passphrase if provided, or options.passphrase if it is not.

Optional rejectUnauthorized

rejectUnauthorized?: boolean

If true the server will reject any connection which is not authorized with the list of supplied CAs. This option only has an effect if requestCert is true.

default

true

Optional secureContext

secureContext?: SecureContext

An optional TLS context object from tls.createSecureContext()

Optional secureProtocol

secureProtocol?: string

Legacy mechanism to select the TLS protocol version to use, it does not support independent control of the minimum and maximum version, and does not support limiting the protocol to TLSv1.3. Use minVersion and maxVersion instead. The possible values are listed as SSL_METHODS, use the function names as strings. For example, use 'TLSv1_1_method' to force TLS version 1.1, or 'TLS_method' to allow any TLS protocol version up to TLSv1.3. It is not recommended to use TLS versions less than 1.2, but it may be required for interoperability. Default: none, see minVersion.

Optional serverApi

serverApi?: ServerApi

Optional servername

servername?: string

Optional session

session?: Buffer

Optional socketTimeoutMS

socketTimeoutMS?: number

tls

tls: boolean

waitQueueTimeoutMS

waitQueueTimeoutMS: number

The maximum amount of time operation execution should wait for a connection to become available. The default is 0 which means there is no limit.

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