oracledb
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A Node.js module for Oracle Database access from JavaScript and TypeScript
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JavaScript
// Copyright (c) 2022, 2025, Oracle and/or its affiliates.
//-----------------------------------------------------------------------------
//
// This software is dual-licensed to you under the Universal Permissive License
// (UPL) 1.0 as shown at https://oss.oracle.com/licenses/upl and Apache License
// 2.0 as shown at http://www.apache.org/licenses/LICENSE-2.0. You may choose
// either license.
//
// If you elect to accept the software under the Apache License, Version 2.0,
// the following applies:
//
// 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
//
// https://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.
//
//-----------------------------------------------------------------------------
module.exports = {
// TNS packet types
NSPTCN: 1, // Connect
NSPTAC: 2, // Accept
NSPTAK: 3, // Acknowledge
NSPTRF: 4, // Refuse
NSPTRD: 5, // Redirect
NSPTDA: 6, // Data
NSPTNL: 7, // Null
NSPTAB: 9, // Abort
NSPTRS: 11, // Re-send
NSPTMK: 12, // Marker
NSPTAT: 13, // Attention
NSPTCNL: 14, // Control information
NSPTDD: 15, // data descriptor
NSPTHI: 19, // Highest legal packet type
// Packet Header
NSPHDLEN: 0, // Packet length
NSPHDPSM: 2, // Packet checksum(deprecated in version 3.15 with large sdu support)
NSPHDTYP: 4, // Packet type
NSPHDFLGS: 5, // Packet flags
NSPHDHSM: 6, // Header checksum
NSPSIZHD: 8, // Packet header size
/* Packet flags for NSPHDFLGS */
NSPFSID: 0x01, // SID is given
NSPFRDS: 0x02, // ReDirect Separation of cnda vs cndo
NSPFRDR: 0x04, // ReDiRected client Connect (NSPTCN)
NSPFLSD: 0x20, // packet with large sdu field
NO_HEADER_FLAGS: 0,
NSPFSRN: 0x08,
// Connect Packet
NSPCNVSN: 8, // My version number
NSPCNLOV: 10, // Lowest version number I can be compatible with
NSPCNOPT: 12, // Global service options
NSPCNSDU: 14, // My SDU size
NSPCNTDU: 16, // Maximum TDU size
NSPCNNTC: 18, // NT characterstics
NSPCNTNA: 20, // Line turnaround value
NSPCNONE: 22, // The value '1' in my hardware byte order
NSPCNLEN: 24, // Length of connect data
NSPCNOFF: 26, // Offset to connect data
NSPCNMXC: 28, // Maximum connect data you can send me
NSPCNFL0: 32, // Connect flags
NSPCNFL1: 33,
NSPCNTMO: 50, // local connection timeout val
NSPCNTCK: 52, // local tick size
NSPCNADL: 54,
NSPCNAOF: 56, // offset to reconnect tns addr
NSPCNLSD: 58, // large sdu
NSPCNLTD: 62, // large tdu
NSPCNCFL: 66, // compression data
NSPCNCFL2: 70, // connect flag2
// NSPCNV310DAT : (NSPCNTMO + 8), start of connect data, V3.10 packet
// NSPCNV315DAT : (NSPCNCFL + 4),
NSPCNDAT: 74, // Start connect data
NSPMXCDATA: 230, // Maximum length of connect data
// Connect flags (Used mostly by NA)
NSINAWANTED: 0x01, // Want to use NA
NSINAINTCHG: 0x02, // Interchange involved
NSINADISABLEDFORCONNECTION: 0x04, // Disable NA
NSINANOSERVICES: 0x08, // No NA services linked
NSINAREQUIRED: 0x10, // NA is required
NSINAAUTHWANTED: 0x20, // Authentication linked
NSISUPSECRENEG: 0x80, // bkwrd comp: SUPport SECurity RE-NEG
// Connect options
NSGDONTCARE: 0x0001, // "don't care"
NSGHDX: 0x0002, // half-duplex (w/ token management)
NSGFDX: 0x0004, // full-duplex
NSGHDRCHKSUM: 0x0008, // checksum on packet header
NSGPAKCHKSUM: 0x0010, // checksum on entire packet
NSGBROKEN: 0x0020, // provide broken connection notification
NSGUSEVIO: 0x0040, // can use Vectored I/O
NSGOSAUTHOK: 0x0080, // use OS authentication
NSGSENDATTN: 0x0200, // can send attention
NSGRECVATTN: 0x0400, // can recv attention
NSGNOATTNPR: 0x0800, // no attention processing
NSGRAW: 0x1000, // I/O is direct to/from transport
TNS_VERSION_DESIRED: 319,
TNS_VERSION_MINIMUM: 300,
TNS_VERSION_MIN_DATA_FLAGS: 318,
TNS_VERSION_MIN_END_OF_RESPONSE: 319,
TNS_UUID_OFFSET: 45,
/* Accept Packet */
NSPACVSN: 8, // connection version
NSPACOPT: 10, // global service options
NSPACSDU: 12, // SDU size
NSPACTDU: 14, // Maximum TDU
NSPACONE: 16, // The value '1' in my hardware byte order
NSPACLEN: 18, // connect data length
NSPACOFF: 20, // offset to connect data
NSPACFL0: 22, // connect flags
NSPACFL1: 23,
NSPACTMO: 24, // connection pool timeout value
NSPACTCK: 26, // local tick size
NSPACADL: 28, // reconnect tns address length
NSPACAOF: 30, // offset to reconnect tns addr
NSPACLSD: 32, // Large sdu
NSPACLTD: 36, // Large tdu
NSPACCFL: 40, // compression flag
NSPACFL2: 41, // accept flag2 (4 bytes)
NSPACV310DAT: 32, /* start of accept data, V3.10 packet */
NSPACV315DAT: 41, // start of accept data, V3.15 packet
/* Refuse Packet */
NSPRFURS: 8, // User (appliction) reason for refusal
NSPRFSRS: 9, // System (NS) reason for
NSPRFLEN: 10, // Length of refuse data
NSPRFDAT: 12, // Start of connect data
// Compression flags
NSPACCFON: 0x80, // 1st MSB: compression on/off
NSPACCFAT: 0x40, // 2nd MSB : compression auto
NSPACCFNT: 0x02, // Second last LSB : compression for non-tcp protocol
// Accept flag2
NSPACOOB: 0x00000001, // OOB support check at connection time
NSGPCHKSCMD: 0x01000000, // Support for Poll and Check logic
TNS_ACCEPT_FLAG_HAS_END_OF_REQUEST: 0x02000000,
TNS_ACCEPT_FLAG_FAST_AUTH: 0x10000000, // Support Fast Auth
/* Redirect packet */
NSPRDLEN: 8, // Length of redirect data
NSPRDDAT: 10, // Start of connect data
/* Data Packet */
NSPDAFLG: 8, // Data flags
NSPDADAT: 10, // Start of Data
NSPDAFEOF: 0x40, // "end of file"
NSPDAFCMP: 0x400, // "compressed data"
/* Marker Packet */
NSPMKTYP: 8, // marker type (see below)
NSPMKODT: 9, // old (pre-V3.05) data byte
NSPMKDAT: 10, // data byte
NSPMKTD0: 0, // data marker - 0 data bytes
NSPMKTD1: 1, // data marker - 1 data byte
NSPMKTAT: 2, // Attention Marker
NIQBMARK: 1, // Break marker
NIQRMARK: 2, // Reset marker
NIQIMARK: 3, // Interrupt marker
/* Control Packet */
NSPCTLCMD: 8, // Control Command length is 2 bytes
NSPCTLDAT: 10, // Control Data length is specific to the Command type.
NSPCTL_SERR: 8, // Error Control Command Type
NSPCTL_CLRATTN: 9, // Clear OOB option
/* OPTIONS */
NSPDFSDULN: 8192, // default SDU size
NSPABSSDULN: 2097152, // maximim SDU size
NSPMXSDULN: 65535, // maximim SDU size
NSPMNSDULN: 512, // minimum SDU size
NSPDFTDULN: 2097152, // default TDU size
NSPMXTDULN: 2097152, // maximum TDU size
NSPMNTDULN: 255, // minimum TDU size
NSFIMM: 0x0040, // immediate close
/* PARAMETERS */
DISABLE_OOB_STR: 'DISABLE_OOB', // disable OOB parameter
EXPIRE_TIME: 'EXPIRE_TIME', // expire Time
PEM_WALLET_FILE_NAME: 'ewallet.pem',
DEFAULT_TRANSPORT_CONNECT_TIMEOUT: 20000, //default transport connect timeout
DEFAULT_RETRY_DELAY: 1000, //default retry delay
/* Get/Set options */
NT_MOREDATA: 1, // More Data in Transport available
NS_MOREDATA: 2, // More Data available to be read
SVCNAME: 3, // Service name
SERVERTYPE: 4, // Server type
REMOTEADDR: 5, // Remote Address
HEALTHCHECK: 6, // Health check of connection
CONNCLASS: 7, // Connection Class
PURITY: 8, // Purity
SID: 9, // SID
/* Network Compression Algorithms */
NETWORK_COMPRESSION_ZLIB: 2,
/* FLAGS */
NSNOBLOCK: 0x0001, // Do not block
};