+++ /dev/null
-;;; -*- Mode: Lisp -*-
-;;; $Id: oracle.cl,v 1.1 2002/09/18 07:43:41 kevin Exp $
-
-;;; MaiSQL --- Common Lisp Interface Layer to SQL Databases
-;;; This is copyrighted software. See documentation for terms.
-;;;
-;;; oracle.lisp --- FFI interface to Oracle on Unix
-;;;
-;;; The present content of this file is orented specifically towards
-;;; Oracle 8.0.5.1 under Linux, linking against libclntsh.so
-
-(in-package :clsql-oracle)
-
-;;
-
-(defvar *oci-initialized* nil)
-
-(defvar *oci-env* nil)
-
-
-;;
-;; Opaque pointer types
-;;
-
-(def-alien-type oci-env (* t))
-
-(def-alien-type oci-server (* t))
-
-(def-alien-type oci-error (* t))
-
-(def-alien-type oci-svc-ctx (* t))
-
-(def-alien-type oci-stmt (* t))
-
-
-(defvar *oci-handle-types*
- '(:error ; error report handle (OCIError)
- :service-context ; service context handle (OCISvcCtx)
- :statement ; statement (application request) handle (OCIStmt)
- :describe ; select list description handle (OCIDescribe)
- :server ; server context handle (OCIServer)
- :session ; user session handle (OCISession)
- :transaction ; transaction context handle (OCITrans)
- :complex-object ; complex object retrieval handle (OCIComplexObject)
- :security)) ; security handle (OCISecurity)
-
-(defstruct oci-handle
- (type :unknown)
- (pointer (make-alien (* t))))
-
-(defun oci-init (&key (mode +oci-default+))
- (let ((x (alien-funcall (extern-alien "OCIInitialize" (function int int (* t) (* t) (* t) (* t)))
- mode nil nil nil nil)))
- (if (= x 0)
- (let ((env (make-alien oci-env)))
- (setq *oci-initialized* mode)
- (let ((x (alien-funcall (extern-alien "OCIEnvInit" (function int (* t) int int (* t)))
- env +oci-default+ 0 nil)))
- (format t ";; OEI: reutrned ~d~%" x)
- (setq *oci-env* env))))))
-
-(defun oci-check-return (value)
- (if (= value +oci-invalid-handle+)
- (error "Invalid Handle")))
-
-(defun oci-get-handle (&key type)
- (if (null *oci-initialized*)
- (oci-init))
- (case type
- (:error
- (let ((ptr (make-alien (* t))))
- (let ((x (alien-funcall (extern-alien "OCIHandleAlloc" (function int unsigned-int (* t) int int (* t)))
- (sap-ref-32 (alien-sap (deref *oci-env*)) 0)
- ptr
- +oci-default+
- 0
- nil)))
- (oci-check-return x)
- ptr)))
- (:service-context
- "OCISvcCtx")
- (:statement
- "OCIStmt")
- (:describe
- "OCIDescribe")
- (:server
- "OCIServer")
- (:session
- "OCISession")
- (:transaction
- "OCITrans")
- (:complex-object
- "OCIComplexObject")
- (:security
- "OCISecurity")
- (t
- (error "'~s' is not a valid OCI handle type" type))))
-
-(defun oci-environment ()
- (let ((envhp (oci-handle-alloc :type :env)))
- (oci-env-init envhp)
- envhp))
-
-;;; Check an OCI return code for erroricity and signal a reasonably
-;;; informative condition if so.
-;;;
-;;; ERRHP provides an error handle which can be used to find
-;;; subconditions; if it's not provided, subcodes won't be checked.
-;;;
-;;; NULLS-OK says that a NULL-VALUE-RETURNED subcondition condition is
-;;; normal and needn't cause any signal. An error handle is required
-;;; to detect this subcondition, so it doesn't make sense to set ERRHP
-;;; unless NULLS-OK is set.
-
-(defmacro def-oci-routine ((c-oci-symbol lisp-oci-fn) c-return &rest c-parms)
- (let ((ll (mapcar (lambda (x) (gensym)) c-parms)))
- `(let ((%lisp-oci-fn (def-alien-routine (,c-oci-symbol ,(intern (concatenate 'string "%" (symbol-name lisp-oci-fn))))
- ,c-return ,@c-parms)))
- (defun ,lisp-oci-fn (,@ll &key database nulls-ok)
- (case (funcall %lisp-oci-fn ,@ll)
- (#.+oci-success+
- +oci-success+)
- (#.+oci-error+
- (handle-oci-error :database database :nulls-ok nulls-ok))
- (#.+oci-no-data+
- (error "OCI No Data Found"))
- (#.+oci-success-with-info+
- (error "internal error: unexpected +oci-SUCCESS-WITH-INFO"))
- (#.+oci-no-data+
- (error "OCI No Data"))
- (#.+oci-invalid-handle+
- (error "OCI Invalid Handle"))
- (#.+oci-need-data+
- (error "OCI Need Data"))
- (#.+oci-still-executing+
- (error "OCI Still Executing"))
- (#.+oci-continue+
- (error "OCI Continue"))
- (t
- (error "OCI unknown error, code=~A" (values))))))))
-
-
-(defmacro def-raw-oci-routine
- ((c-oci-symbol lisp-oci-fn) c-return &rest c-parms)
- (let ((ll (mapcar (lambda (x) (declare (ignore x)) (gensym)) c-parms)))
- `(let ((%lisp-oci-fn (def-alien-routine (,c-oci-symbol ,(intern (concatenate 'string "%" (symbol-name lisp-oci-fn))))
- ,c-return ,@c-parms)))
- (defun ,lisp-oci-fn (,@ll &key database nulls-ok)
- (funcall %lisp-oci-fn ,@ll)))))
-
-
-(def-oci-routine ("OCIInitialize" OCI-INITIALIZE)
- int
- (mode unsigned-long) ; ub4
- (ctxp (* t)) ; dvoid *
- (malocfp (* t)) ; dvoid *(*)
- (ralocfp (* t)) ; dvoid *(*)
- (mfreefp (* t))) ; void *(*)
-
-
-(def-oci-routine ("OCIEnvInit" OCI-ENV-INIT)
- int
- (envpp (* t)) ; OCIEnv **
- (mode unsigned-long) ; ub4
- (xtramem-sz unsigned-long) ; size_t
- (usermempp (* t))) ; dvoid **
-
-#+oci-8-1-5
-(def-oci-routine ("OCIEnvCreate" OCI-ENV-CREATE)
- int
- (p0 (* t))
- (p1 unsigned-int)
- (p2 (* t))
- (p3 (* t))
- (p4 (* t))
- (p5 (* t))
- (p6 unsigned-long)
- (p7 (* t)))
-
-(def-oci-routine ("OCIHandleAlloc" OCI-HANDLE-ALLOC)
- int
- (parenth (* t)) ; const dvoid *
- (hndlpp (* t)) ; dvoid **
- (type unsigned-long) ; ub4
- (xtramem_sz unsigned-long) ; size_t
- (usrmempp (* t))) ; dvoid **
-
-(def-oci-routine ("OCIServerAttach" OCI-SERVER-ATTACH)
- int
- (srvhp (* t)) ; oci-server
- (errhp (* t)) ; oci-error
- (dblink c-string) ; :in
- (dblink-len unsigned-long) ; int
- (mode unsigned-long)) ; int
-
-
-(def-oci-routine ("OCIHandleFree" OCI-HANDLE-FREE)
- int
- (p0 (* t)) ;; handle
- (p1 unsigned-long)) ;;type
-
-(def-oci-routine ("OCILogon" OCI-LOGON)
- int
- (envhp (* t)) ; env
- (errhp (* t)) ; err
- (svchp (* t)) ; svc
- (username c-string) ; username
- (uname-len unsigned-long) ;
- (passwd c-string) ; passwd
- (password-len unsigned-long) ;
- (dsn c-string) ; datasource
- (dsn-len unsigned-long)) ;
-
-(def-oci-routine ("OCILogoff" OCI-LOGOFF)
- int
- (p0 (* t)) ; svc
- (p1 (* t))) ; err
-
-(def-alien-routine ("OCIErrorGet" OCI-ERROR-GET)
- void
- (p0 (* t))
- (p1 unsigned-long)
- (p2 c-string)
- (p3 (* long))
- (p4 (* t))
- (p5 unsigned-long)
- (p6 unsigned-long))
-
-(def-oci-routine ("OCIStmtPrepare" OCI-STMT-PREPARE)
- int
- (p0 (* t))
- (p1 (* t))
- (p2 c-string)
- (p3 unsigned-long)
- (p4 unsigned-long)
- (p5 unsigned-long))
-
-(def-oci-routine ("OCIStmtExecute" OCI-STMT-EXECUTE)
- int
- (p0 (* t))
- (p1 (* t))
- (p2 (* t))
- (p3 unsigned-long)
- (p4 unsigned-long)
- (p5 (* t))
- (p6 (* t))
- (p7 unsigned-long))
-
-(def-raw-oci-routine ("OCIParamGet" OCI-PARAM-GET)
- int
- (p0 (* t))
- (p1 unsigned-long)
- (p2 (* t))
- (p3 (* t))
- (p4 unsigned-long))
-
-(def-oci-routine ("OCIAttrGet" OCI-ATTR-GET)
- int
- (p0 (* t))
- (p1 unsigned-long)
- (p2 (* t))
- (p3 (* unsigned-long))
- (p4 unsigned-long)
- (p5 (* t)))
-
-#+nil
-(def-oci-routine ("OCIAttrSet" OCI-ATTR-SET)
- int
- (trgthndlp (* t))
- (trgthndltyp int :in)
- (attributep (* t))
- (size int)
- (attrtype int)
- (errhp oci-error))
-
-(def-oci-routine ("OCIDefineByPos" OCI-DEFINE-BY-POS)
- int
- (p0 (* t))
- (p1 (* t))
- (p2 (* t))
- (p3 unsigned-long)
- (p4 (* t))
- (p5 unsigned-long)
- (p6 unsigned-short)
- (p7 (* t))
- (p8 (* t))
- (p9 (* t))
- (p10 unsigned-long))
-
-(def-oci-routine ("OCIStmtFetch" OCI-STMT-FETCH)
- int
- (stmthp (* t))
- (errhp (* t))
- (p2 unsigned-long)
- (p3 unsigned-short)
- (p4 unsigned-long))
-
-
-(def-oci-routine ("OCITransStart" OCI-TRANS-START)
- int
- (svchp (* t))
- (errhp (* t))
- (p2 unsigned-short)
- (p3 unsigned-short))
-
-(def-oci-routine ("OCITransCommit" OCI-TRANS-COMMIT)
- int
- (svchp (* t))
- (errhp (* t))
- (p2 unsigned-short))
-
-(def-oci-routine ("OCITransRollback" OCI-TRANS-ROLLBACK)
- int
- (svchp (* t))
- (errhp (* t))
- (p2 unsigned-short))
-
-
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