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dbdimp.c
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dbdimp.c
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/*
vim: sw=4:ts=8
dbdimp.c
Copyright (c) 1994-2006 Tim Bunce Ireland
Copyright (c) 2006-2008 John Scoles (The Pythian Group), Canada
See the COPYRIGHT section in the Oracle.pm file for terms.
*/
#ifdef WIN32
#define strcasecmp strcmpi
#endif
#ifdef __CYGWIN32__
#include "w32api/windows.h"
#include "w32api/winbase.h"
#endif /* __CYGWIN32__ */
#include "Oracle.h"
/* XXX DBI should provide a better version of this */
#define IS_DBI_HANDLE(h) \
(SvROK(h) && SvTYPE(SvRV(h)) == SVt_PVHV && \
SvRMAGICAL(SvRV(h)) && (SvMAGIC(SvRV(h)))->mg_type == 'P')
#ifndef SvPOK_only_UTF8
#define SvPOK_only_UTF8(sv) SvPOK_only(sv)
#endif
DBISTATE_DECLARE;
int ora_fetchtest; /* intrnal test only, not thread safe */
int is_extproc = 0; /* not ProC but ExtProc.pm */
int dbd_verbose = 0; /* DBD only debugging*/
int oci_warn = 0; /* show oci warnings */
int ora_objects = 0; /* get oracle embedded objects as instance of DBD::Oracle::Object */
int ora_ncs_buff_mtpl = 4; /* a mulitplyer for ncs clob buffers */
/* bitflag constants for figuring out how to handle utf8 for array binds */
#define ARRAY_BIND_NATIVE 0x01
#define ARRAY_BIND_UTF8 0x02
#define ARRAY_BIND_MIXED (ARRAY_BIND_NATIVE|ARRAY_BIND_UTF8)
ub2 charsetid = 0;
ub2 ncharsetid = 0;
ub2 us7ascii_csid = 1;
ub2 utf8_csid = 871;
ub2 al32utf8_csid = 873;
ub2 al16utf16_csid = 2000;
typedef struct sql_fbh_st sql_fbh_t;
struct sql_fbh_st {
int dbtype;
int prec;
int scale;
};
static sql_fbh_t ora2sql_type _((imp_fbh_t* fbh));
void ora_free_phs_contents _((phs_t *phs));
static void dump_env_to_trace();
static sb4
oci_error_get(OCIError *errhp, sword status, char *what, SV *errstr, int debug)
{
dTHX;
text errbuf[1024];
ub4 recno = 0;
sb4 errcode = 0;
sb4 eg_errcode = 0;
sword eg_status;
if (!SvOK(errstr))
sv_setpv(errstr,"");
if (!errhp) {
sv_catpv(errstr, oci_status_name(status));
if (what) {
sv_catpv(errstr, " ");
sv_catpv(errstr, what);
}
return status;
}
while( ++recno
&& OCIErrorGet_log_stat(errhp, recno, (text*)NULL, &eg_errcode, errbuf,
(ub4)sizeof(errbuf), OCI_HTYPE_ERROR, eg_status) != OCI_NO_DATA
&& eg_status != OCI_INVALID_HANDLE
&& recno < 100
) {
if (debug >= 4 || recno>1/*XXX temp*/ || dbd_verbose >= 4 )
PerlIO_printf(DBILOGFP, " OCIErrorGet after %s (er%ld:%s): %d, %ld: %s\n",
what ? what : "<NULL>", (long)recno,
(eg_status==OCI_SUCCESS) ? "ok" : oci_status_name(eg_status),
status, (long)eg_errcode, errbuf);
errcode = eg_errcode;
sv_catpv(errstr, (char*)errbuf);
if (*(SvEND(errstr)-1) == '\n')
--SvCUR(errstr);
}
if (what || status != OCI_ERROR) {
sv_catpv(errstr, (debug<0) ? " (" : " (DBD ");
sv_catpv(errstr, oci_status_name(status));
if (what) {
sv_catpv(errstr, ": ");
sv_catpv(errstr, what);
}
sv_catpv(errstr, ")");
}
return errcode;
}
static int
GetRegKey(char *key, char *val, char *data, unsigned long *size)
{
#ifdef WIN32
unsigned long len = *size - 1;
HKEY hKey;
long ret;
ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE, key, 0, KEY_QUERY_VALUE, &hKey);
if (ret != ERROR_SUCCESS)
return 0;
ret = RegQueryValueEx(hKey, val, NULL, NULL, data, size);
RegCloseKey(hKey);
if ((ret != ERROR_SUCCESS) || (*size >= len))
return 0;
return 1;
#else
/* For gcc not to warn on unused parameters. */
if( key ){}
if( val ){}
if( data ){}
if( size ){}
return 0;
#endif
}
char *
ora_env_var(char *name, char *buf, unsigned long size)
{
#define WIN32_REG_BUFSIZE 80
dTHX;
char last_home_id[WIN32_REG_BUFSIZE+1];
char ora_home_key[WIN32_REG_BUFSIZE+1];
unsigned long len = WIN32_REG_BUFSIZE;
char *e = getenv(name);
if (e)
return e;
if (!GetRegKey("SOFTWARE\\ORACLE\\ALL_HOMES", "LAST_HOME", last_home_id, &len))
return Nullch;
last_home_id[2] = 0;
sprintf(ora_home_key, "SOFTWARE\\ORACLE\\HOME%s", last_home_id);
size -= 1; /* allow room for null termination */
if (!GetRegKey(ora_home_key, name, buf, &size))
return Nullch;
buf[size] = 0;
return buf;
}
#ifdef __CYGWIN32__
/* Under Cygwin there are issues with setting environment variables
* at runtime such that Windows-native libraries loaded by a Cygwin
* process can see those changes.
*
* Cygwin maintains its own cache of environment variables, and also
* only writes to the Windows environment using the "_putenv" win32
* call. This call writes to a Windows C runtime cache, rather than
* the true process environment block.
*
* In order to change environment variables so that the Oracle client
* DLL can see the change, the win32 function SetEnvironmentVariable
* must be called. This function gives an interface to that API.
*
* It is only available when building under Cygwin, and is used by
* the testsuite.
*
* Whilst it could be called by end users, it should be used with
* caution, as it bypasses the environment variable conversions that
* Cygwin typically performs.
*/
void
ora_cygwin_set_env(char *name, char *value)
{
SetEnvironmentVariable(name, value);
}
#endif /* __CYGWIN32__ */
void
dbd_init(dbistate_t *dbistate)
{
dTHX;
DBIS = dbistate;
dbd_init_oci(dbistate);
}
int
dbd_discon_all(SV *drh, imp_drh_t *imp_drh)
{
dTHR;
dTHX;
/* The disconnect_all concept is flawed and needs more work */
if (!PL_dirty && !SvTRUE(perl_get_sv("DBI::PERL_ENDING",0))) {
DBIh_SET_ERR_CHAR(drh, (imp_xxh_t*)imp_drh, Nullch, 1, "disconnect_all not implemented", Nullch, Nullch);
return FALSE;
}
return FALSE;
}
void
dbd_fbh_dump(imp_fbh_t *fbh, int i, int aidx)
{
dTHX;
PerlIO *fp = DBILOGFP;
PerlIO_printf(fp, " fbh %d: '%s'\t%s, ",
i, fbh->name, (fbh->nullok) ? "NULLable" : "NO null ");
PerlIO_printf(fp, "otype %3d->%3d, dbsize %ld/%ld, p%d.s%d\n",
fbh->dbtype, fbh->ftype, (long)fbh->dbsize,(long)fbh->disize,
fbh->prec, fbh->scale);
if (fbh->fb_ary) {
PerlIO_printf(fp, " out: ftype %d, bufl %d. indp %d, rlen %d, rcode %d\n",
fbh->ftype, fbh->fb_ary->bufl, fbh->fb_ary->aindp[aidx],
fbh->fb_ary->arlen[aidx], fbh->fb_ary->arcode[aidx]);
}
}
int
ora_dbtype_is_long(int dbtype)
{
/* Is it a LONG, LONG RAW, LONG VARCHAR or LONG VARRAW type? */
/* Return preferred type code to use if it's a long, else 0. */
if (dbtype == 8 || dbtype == 24) /* LONG or LONG RAW */
return dbtype; /* --> same */
if (dbtype == 94) /* LONG VARCHAR */
return 8; /* --> LONG */
if (dbtype == 95) /* LONG VARRAW */
return 24; /* --> LONG RAW */
return 0;
}
static int
oratype_bind_ok(int dbtype) /* It's a type we support for placeholders */
{
/* basically we support types that can be returned as strings */
switch(dbtype) {
case 1: /* VARCHAR2 */
case 2: /* NVARCHAR2 */
case 5: /* STRING */
case 8: /* LONG */
case 21: /* BINARY FLOAT os-endian */
case 22: /* BINARY DOUBLE os-endian */
case 23: /* RAW */
case 24: /* LONG RAW */
case 96: /* CHAR */
case 97: /* CHARZ */
case 100: /* BINARY FLOAT oracle-endian */
case 101: /* BINARY DOUBLE oracle-endian */
case 106: /* MLSLABEL */
case 102: /* SQLT_CUR OCI 7 cursor variable */
case 112: /* SQLT_CLOB / long */
case 113: /* SQLT_BLOB / long */
case 116: /* SQLT_RSET OCI 8 cursor variable */
case ORA_VARCHAR2_TABLE: /* 201 */
case ORA_NUMBER_TABLE: /* 202 */
case ORA_XMLTYPE: /* SQLT_NTY must be carefull here as its value (108) is the same for an embedded object Well realy only XML clobs not embedded objects */
return 1;
}
return 0;
}
#ifdef THIS_IS_NOT_CURRENTLY_USED
static int
oratype_rebind_ok(int dbtype) /* all are vrcar any way so just use it */
{
/* basically we support types that can be returned as strings */
switch(dbtype) {
case 1: /* VARCHAR2 */
case 2: /* NVARCHAR2 */
case 5: /* STRING */
case 8: /* LONG */
case 21: /* BINARY FLOAT os-endian */
case 22: /* BINARY DOUBLE os-endian */
case 23: /* RAW */
case 24: /* LONG RAW */
case 96: /* CHAR */
case 97: /* CHARZ */
case 100: /* BINARY FLOAT oracle-endian */
case 101: /* BINARY DOUBLE oracle-endian */
case 106: /* MLSLABEL */
case 102: /* SQLT_CUR OCI 7 cursor variable */
case 116: /* SQLT_RSET OCI 8 cursor variable */
case ORA_VARCHAR2_TABLE: /* 201 */
case ORA_NUMBER_TABLE: /* 202 */
case ORA_XMLTYPE: /* SQLT_NTY must be carefull here as its value (108) is the same for an embedded object Well realy only XML clobs not embedded objects */
case 113: /* SQLT_BLOB / long */
return SQLT_BIN;
case 112: /* SQLT_CLOB / long */
return SQLT_CHR;
}
return dbtype;
}
#endif /* THIS_IS_NOT_CURRENTLY_USED */
/* --- allocate and free oracle oci 'array' buffers --- */
/* --- allocate and free oracle oci 'array' buffers for callback--- */
fb_ary_t *
fb_ary_cb_alloc(ub4 piece_size, ub4 max_len, int size)
{
fb_ary_t *fb_ary;
/* these should be reworked to only to one Newz() */
/* and setup the pointers in the head fb_ary struct */
Newz(42, fb_ary, sizeof(fb_ary_t), fb_ary_t);
Newz(42, fb_ary->abuf, size * piece_size, ub1);
Newz(42, fb_ary->cb_abuf, size * max_len, ub1);
Newz(42, fb_ary->aindp,(unsigned)size,sb2);
Newz(42, fb_ary->arlen,(unsigned)size,ub2);
Newz(42, fb_ary->arcode,(unsigned)size,ub2);
fb_ary->bufl = piece_size;
fb_ary->cb_bufl = max_len;
return fb_ary;
}
/* --- allocate and free oracle oci 'array' buffers --- */
fb_ary_t *
fb_ary_alloc(ub4 bufl, int size)
{
fb_ary_t *fb_ary;
/* these should be reworked to only to one Newz() */
/* and setup the pointers in the head fb_ary struct */
Newz(42, fb_ary, sizeof(fb_ary_t), fb_ary_t);
Newz(42, fb_ary->abuf, size * bufl, ub1);
Newz(42, fb_ary->aindp, (unsigned)size,sb2);
Newz(42, fb_ary->arlen, (unsigned)size,ub2);
Newz(42, fb_ary->arcode,(unsigned)size,ub2);
fb_ary->bufl = bufl;
/* fb_ary->cb_bufl = bufl;*/
return fb_ary;
}
void
fb_ary_free(fb_ary_t *fb_ary)
{
Safefree(fb_ary->abuf);
Safefree(fb_ary->aindp);
Safefree(fb_ary->arlen);
Safefree(fb_ary->arcode);
Safefree(fb_ary->cb_abuf);
Safefree(fb_ary);
}
/* ================================================================== */
int
dbd_db_login(SV *dbh, imp_dbh_t *imp_dbh, char *dbname, char *uid, char *pwd)
{
return dbd_db_login6(dbh, imp_dbh, dbname, uid, pwd, Nullsv);
}
/* from shared.xs */
typedef struct {
SV *sv; /* The actual SV - in shared space */
/* we don't need the following two */
/*recursive_lock_t lock; */
/*perl_cond user_cond;*/ /* For user-level conditions */
} shared_sv;
int
dbd_db_login6(SV *dbh, imp_dbh_t *imp_dbh, char *dbname, char *uid, char *pwd, SV *attr)
{
dTHR;
dTHX;
sword status;
SV **svp;
shared_sv * shared_dbh_ssv = NULL ;
imp_dbh_t * shared_dbh = NULL ;
D_imp_drh_from_dbh;
ub2 new_charsetid = 0;
ub2 new_ncharsetid = 0;
int forced_new_environment = 0;
#if defined(USE_ITHREADS) && defined(PERL_MAGIC_shared_scalar)
SV ** shared_dbh_priv_svp ;
SV * shared_dbh_priv_sv ;
STRLEN shared_dbh_len = 0 ;
#endif
#ifdef ORA_OCI_112
/*check to see if the user is connecting with DRCP */
if (DBD_ATTRIB_TRUE(attr,"ora_drcp",8,svp))
imp_dbh->using_drcp = 1;
/* some connection pool atributes */
if ((svp=DBD_ATTRIB_GET_SVP(attr, "ora_drcp_class", 14)) && SvOK(*svp)) {
STRLEN svp_len;
if (!SvPOK(*svp))
croak("ora_drcp_class is not a string");
imp_dbh->pool_class = (text *) SvPV (*svp, svp_len );
imp_dbh->pool_classl= (ub4) svp_len;
}
if (DBD_ATTRIB_TRUE(attr,"ora_drcp_min",12,svp))
DBD_ATTRIB_GET_IV( attr, "ora_drcp_min", 12, svp, imp_dbh->pool_min);
if (DBD_ATTRIB_TRUE(attr,"ora_drcp_max",12,svp))
DBD_ATTRIB_GET_IV( attr, "ora_drcp_max", 12, svp, imp_dbh->pool_max);
if (DBD_ATTRIB_TRUE(attr,"ora_drcp_incr",13,svp))
DBD_ATTRIB_GET_IV( attr, "ora_drcp_incr", 13, svp, imp_dbh->pool_incr);
if ((svp=DBD_ATTRIB_GET_SVP(attr, "ora_driver_name", 15)) && SvOK(*svp)) {
STRLEN svp_len;
if (!SvPOK(*svp))
croak("ora_driver_name is not a string");
imp_dbh->driver_name = (char *) SvPV (*svp, svp_len );
imp_dbh->driver_namel= (ub4) svp_len;
OCIAttrSet_log_stat(imp_dbh->seshp,OCI_HTYPE_SESSION, imp_dbh->driver_name,imp_dbh->driver_namel,OCI_ATTR_DRIVER_NAME,imp_dbh->errhp, status);
}
else {
OCIAttrSet_log_stat(imp_dbh->seshp,OCI_HTYPE_SESSION,(text*)"DBDO1.28",7,OCI_ATTR_DRIVER_NAME,imp_dbh->errhp, status);
}
#endif /*ORA_OCI_112*/
if ((svp=DBD_ATTRIB_GET_SVP(attr, "ora_action", 10)) && SvOK(*svp)) {
STRLEN svp_len;
if (!SvPOK(*svp))
croak("ora_action is not a string");
imp_dbh->action = (char *) SvPV (*svp, svp_len );
imp_dbh->actionl= (ub4) svp_len;
OCIAttrSet_log_stat(imp_dbh->seshp,OCI_HTYPE_SESSION, imp_dbh->action,imp_dbh->actionl,OCI_ATTR_ACTION,imp_dbh->errhp, status);
}
if ((svp=DBD_ATTRIB_GET_SVP(attr, "ora_module_name", 15)) && SvOK(*svp)) {
STRLEN svp_len;
if (!SvPOK(*svp))
croak("ora_module_name is not a string");
imp_dbh->module_name = (char *) SvPV (*svp, svp_len );
imp_dbh->module_namel= (ub4) svp_len;
OCIAttrSet_log_stat(imp_dbh->seshp,OCI_HTYPE_SESSION, imp_dbh->module_name,imp_dbh->module_namel,OCI_ATTR_MODULE,imp_dbh->errhp, status);
}
if ((svp=DBD_ATTRIB_GET_SVP(attr, "ora_client_identifier", 21)) && SvOK(*svp)) {
STRLEN svp_len;
if (!SvPOK(*svp))
croak("ora_client_identifier is not a string");
imp_dbh->client_identifier = (char *) SvPV (*svp, svp_len );
imp_dbh->client_identifierl= (ub4) svp_len;
OCIAttrSet_log_stat(imp_dbh->seshp,OCI_HTYPE_SESSION, imp_dbh->client_identifier,imp_dbh->client_identifierl,OCI_ATTR_CLIENT_IDENTIFIER,imp_dbh->errhp, status);
}
if ((svp=DBD_ATTRIB_GET_SVP(attr, "ora_client_info", 15)) && SvOK(*svp)) {
STRLEN svp_len;
if (!SvPOK(*svp))
croak("ora_client_info is not a string");
imp_dbh->client_info = (char *) SvPV (*svp, svp_len );
imp_dbh->client_infol= (ub4) svp_len;
OCIAttrSet_log_stat(imp_dbh->seshp,OCI_HTYPE_SESSION, imp_dbh->client_info,imp_dbh->client_infol,OCI_ATTR_CLIENT_INFO,imp_dbh->errhp, status);
}
/* TAF Events */
imp_dbh->using_taf = 0;
if (DBD_ATTRIB_TRUE(attr,"ora_taf",7,svp)){
imp_dbh->using_taf = 1;
imp_dbh->taf_sleep = 5; /* 5 second default */
DBD_ATTRIB_GET_IV( attr, "ora_taf_sleep", 13, svp, imp_dbh->taf_sleep);
if ((svp=DBD_ATTRIB_GET_SVP(attr, "ora_taf_function", 16)) && SvOK(*svp)) {
STRLEN svp_len;
if (!SvPOK(*svp))
croak("ora_taf_function is not a string");
imp_dbh->taf_function = (char *) SvPV (*svp, svp_len );
}
}
imp_dbh->server_version = 0;
/* check to see if DBD_verbose or ora_verbose is set*/
if (DBD_ATTRIB_TRUE(attr,"dbd_verbose",11,svp))
DBD_ATTRIB_GET_IV( attr, "dbd_verbose", 11, svp, dbd_verbose);
if (DBD_ATTRIB_TRUE(attr,"ora_verbose",11,svp))
DBD_ATTRIB_GET_IV( attr, "ora_verbose", 11, svp, dbd_verbose);
/* check to see if success_warn is set. This will */
/* warn after some sucessfull operations for tuning results */
if (DBD_ATTRIB_TRUE(attr,"ora_oci_success_warn",20,svp))
DBD_ATTRIB_GET_IV( attr, "ora_oci_success_warn", 20, svp, oci_warn);
/* check to see if ora_objects set*/
/* with this set any embedded types will go into a DBD::Oracle::Object */
/* rather than just an ref array */
if (DBD_ATTRIB_TRUE(attr,"ora_objects",11,svp))
DBD_ATTRIB_GET_IV( attr, "ora_objects",11, svp, ora_objects);
if (DBIS->debug >= 6 || dbd_verbose >= 6 )
dump_env_to_trace();
/* dbi_imp_data code adapted from DBD::mysql */
if (DBIc_has(imp_dbh, DBIcf_IMPSET)) {
/* dbi_imp_data from take_imp_data */
if (DBIc_has(imp_dbh, DBIcf_ACTIVE)) {
if (DBIS->debug >= 2 || dbd_verbose >= 3 )
PerlIO_printf(DBILOGFP, "dbd_db_login6 skip connect\n");
/* tell our parent we've adopted an active child */
++DBIc_ACTIVE_KIDS(DBIc_PARENT_COM(imp_dbh));
return 1;
}
/* not ACTIVE so connect not skipped */
if (DBIS->debug >= 2 || dbd_verbose >= 3 )
PerlIO_printf(DBILOGFP,
"dbd_db_login6 IMPSET but not ACTIVE so connect not skipped\n");
}
imp_dbh->envhp = imp_drh->envhp; /* will be NULL on first connect */
#if defined(USE_ITHREADS) && defined(PERL_MAGIC_shared_scalar)
shared_dbh_priv_svp = (DBD_ATTRIB_OK(attr)?hv_fetch((HV*)SvRV(attr), "ora_dbh_share", 13, 0):NULL) ;
shared_dbh_priv_sv = shared_dbh_priv_svp?*shared_dbh_priv_svp:NULL ;
if (shared_dbh_priv_sv && SvROK(shared_dbh_priv_sv))
shared_dbh_priv_sv = SvRV(shared_dbh_priv_sv) ;
if (shared_dbh_priv_sv) {
MAGIC * mg ;
SvLOCK (shared_dbh_priv_sv) ;
/* some magic from shared.xs (no public api yet :-( */
mg = mg_find(shared_dbh_priv_sv, PERL_MAGIC_shared_scalar) ;
shared_dbh_ssv = (shared_sv * )(mg?mg -> mg_ptr:NULL) ; /*sharedsv_find(*shared_dbh_priv_sv) ;*/
if (!shared_dbh_ssv)
croak ("value of ora_dbh_share must be a scalar that is shared") ;
shared_dbh = (imp_dbh_t *)SvPVX(shared_dbh_ssv -> sv) ;
shared_dbh_len = SvCUR((shared_dbh_ssv -> sv)) ;
if (shared_dbh_len > 0 && shared_dbh_len != sizeof (imp_dbh_t))
croak ("Invalid value for ora_dbh_dup") ;
if (shared_dbh_len == sizeof (imp_dbh_t)) {
/* initialize from shared data */
memcpy (((char *)imp_dbh) + DBH_DUP_OFF, ((char *)shared_dbh) + DBH_DUP_OFF, DBH_DUP_LEN) ;
shared_dbh -> refcnt++ ;
imp_dbh -> shared_dbh_priv_sv = shared_dbh_priv_sv ;
imp_dbh -> shared_dbh = shared_dbh ;
if (DBIS->debug >= 2 || dbd_verbose >= 3 )
PerlIO_printf(DBILOGFP, " dbd_db_login: use shared Oracle database handles.\n");
} else {
shared_dbh = NULL ;
}
}
#endif
imp_dbh->get_oci_handle = oci_db_handle;
if ((svp=DBD_ATTRIB_GET_SVP(attr, "ora_envhp", 9)) && SvOK(*svp)) {
if (!SvTRUE(*svp)) {
imp_dbh->envhp = NULL; /* force new environment */
forced_new_environment = 1;
}
}
if (!imp_dbh->envhp ) {
SV **init_mode_sv;
ub4 init_mode = OCI_OBJECT; /* needed for LOBs (8.0.4) */
DBD_ATTRIB_GET_IV(attr, "ora_init_mode",13, init_mode_sv, init_mode);
{
size_t rsize = 0;
/* Get CLIENT char and nchar charset id values */
OCINlsEnvironmentVariableGet_log_stat( &charsetid,(size_t) 0, OCI_NLS_CHARSET_ID, 0, &rsize ,status );
if (status != OCI_SUCCESS) {
oci_error(dbh, NULL, status,
"OCINlsEnvironmentVariableGet(OCI_NLS_CHARSET_ID) Check NLS settings etc.");
return 0;
}
OCINlsEnvironmentVariableGet_log_stat( &ncharsetid,(size_t) 0, OCI_NLS_NCHARSET_ID, 0, &rsize ,status );
if (status != OCI_SUCCESS) {
oci_error(dbh, NULL, status,
"OCINlsEnvironmentVariableGet(OCI_NLS_NCHARSET_ID) Check NLS settings etc.");
return 0;
}
/*{
After using OCIEnvNlsCreate() to create the environment handle,
**the actual lengths and returned lengths of bind and define handles are
always in number of bytes**. This applies to the following calls:
* OCIBindByName() * OCIBindByPos() * OCIBindDynamic()
* OCIDefineByPos() * OCIDefineDynamic()
This function enables you to set charset and ncharset ids at
environment creation time. [...]
This function sets nonzero charset and ncharset as client side
database and national character sets, replacing the ones specified
by NLS_LANG and NLS_NCHAR. When charset and ncharset are 0, it
behaves exactly the same as OCIEnvCreate(). Specifically, charset
controls the encoding for metadata and data with implicit form
attribute and ncharset controls the encoding for data with SQLCS_NCHAR
form attribute.
}*/
OCIEnvNlsCreate_log_stat( &imp_dbh->envhp, init_mode, 0, NULL, NULL, NULL, 0, 0,
charsetid, ncharsetid, status );
if (status != OCI_SUCCESS) {
oci_error(dbh, NULL, status,
"OCIEnvNlsCreate. Check ORACLE_HOME (Linux) env var or PATH (Windows) and or NLS settings, permissions, etc.");
return 0;
}
if (!imp_drh->envhp) /* cache first envhp info drh as future default */
imp_drh->envhp = imp_dbh->envhp;
svp = DBD_ATTRIB_GET_SVP(attr, "ora_charset", 11);/*get the charset passed in by the user*/
if (svp) {
if (!SvPOK(*svp)) {
croak("ora_charset is not a string");
}
new_charsetid = OCINlsCharSetNameToId(imp_dbh->envhp, (oratext*)SvPV_nolen(*svp));
if (!new_charsetid) {
croak("ora_charset value (%s) is not valid", SvPV_nolen(*svp));
}
}
svp = DBD_ATTRIB_GET_SVP(attr, "ora_ncharset", 12); /*get the ncharset passed in by the user*/
if (svp) {
if (!SvPOK(*svp)) {
croak("ora_ncharset is not a string");
}
new_ncharsetid = OCINlsCharSetNameToId(imp_dbh->envhp, (oratext*)SvPV_nolen(*svp));
if (!new_ncharsetid) {
croak("ora_ncharset value (%s) is not valid", SvPV_nolen(*svp));
}
}
if (new_charsetid || new_ncharsetid) { /* reset the ENV with the new charset from above*/
if (new_charsetid) charsetid = new_charsetid;
if (new_ncharsetid) ncharsetid = new_ncharsetid;
imp_dbh->envhp = NULL;
OCIEnvNlsCreate_log_stat( &imp_dbh->envhp, init_mode, 0, NULL, NULL, NULL, 0, 0,
charsetid, ncharsetid, status );
if (status != OCI_SUCCESS) {
oci_error(dbh, NULL, status,
"OCIEnvNlsCreate. Check ORACLE_HOME (Linux) env var or PATH (Windows) and or NLS settings, permissions, etc");
return 0;
}
if (!imp_drh->envhp) /* cache first envhp info drh as future default */
imp_drh->envhp = imp_dbh->envhp;
}
/* update the hard-coded csid constants for unicode charsets */
utf8_csid = OCINlsCharSetNameToId(imp_dbh->envhp, (void*)"UTF8");
al32utf8_csid = OCINlsCharSetNameToId(imp_dbh->envhp, (void*)"AL32UTF8");
al16utf16_csid = OCINlsCharSetNameToId(imp_dbh->envhp, (void*)"AL16UTF16");
}
}
if (shared_dbh_ssv) { /*is this a cached or shared handle from DBI*/
if (!imp_dbh->envhp) { /*no hande so create a new one*/
OCIEnvInit_log_stat( &imp_dbh->envhp, OCI_DEFAULT, 0, 0, status);
if (status != OCI_SUCCESS) {
oci_error(dbh, (OCIError*)imp_dbh->envhp, status, "OCIEnvInit");
return 0;
}
}
}
OCIHandleAlloc_ok(imp_dbh->envhp, &imp_dbh->errhp, OCI_HTYPE_ERROR, status);
OCIAttrGet_log_stat(imp_dbh->envhp, OCI_HTYPE_ENV, &charsetid, (ub4)0 ,
OCI_ATTR_ENV_CHARSET_ID, imp_dbh->errhp, status);
if (status != OCI_SUCCESS) {
oci_error(dbh, imp_dbh->errhp, status, "OCIAttrGet OCI_ATTR_ENV_CHARSET_ID");
return 0;
}
OCIAttrGet_log_stat(imp_dbh->envhp, OCI_HTYPE_ENV, &ncharsetid, (ub4)0 ,
OCI_ATTR_ENV_NCHARSET_ID, imp_dbh->errhp, status);
if (status != OCI_SUCCESS) {
oci_error(dbh, imp_dbh->errhp, status, "OCIAttrGet OCI_ATTR_ENV_NCHARSET_ID");
return 0;
}
/* At this point we have charsetid & ncharsetid
* note that it is possible for charsetid and ncharestid to
* be distinct if NLS_LANG and NLS_NCHAR are both used.
* BTW: NLS_NCHAR is set as follows: NSL_LANG=AL32UTF8
*/
if (DBIS->debug >= 3 || dbd_verbose >= 3 ) {
oratext charsetname[OCI_NLS_MAXBUFSZ];
oratext ncharsetname[OCI_NLS_MAXBUFSZ];
OCINlsCharSetIdToName(imp_dbh->envhp,charsetname, sizeof(charsetname),charsetid );
OCINlsCharSetIdToName(imp_dbh->envhp,ncharsetname, sizeof(ncharsetname),ncharsetid );
PerlIO_printf(DBILOGFP," charset id=%d, name=%s, ncharset id=%d, name=%s"
" (csid: utf8=%d al32utf8=%d)\n",
charsetid,charsetname, ncharsetid,ncharsetname, utf8_csid, al32utf8_csid);
#ifdef ORA_OCI_112
if (imp_dbh->using_drcp)
PerlIO_printf(DBILOGFP," Useing DRCP Connection\n ");
#endif
}
if (!shared_dbh) {
OCIHandleAlloc_ok(imp_dbh->envhp, &imp_dbh->srvhp, OCI_HTYPE_SERVER, status);
if (status != OCI_SUCCESS) {
oci_error(dbh, imp_dbh->errhp, status, "OCIServerAttach");
OCIHandleFree_log_stat(imp_dbh->srvhp, OCI_HTYPE_SERVER, status);
OCIHandleFree_log_stat(imp_dbh->errhp, OCI_HTYPE_ERROR, status);
return 0;
}
{
SV **sess_mode_type_sv;
ub4 sess_mode_type = OCI_DEFAULT;
ub4 cred_type;
DBD_ATTRIB_GET_IV(attr, "ora_session_mode",16, sess_mode_type_sv, sess_mode_type);
#ifdef ORA_OCI_112
if (imp_dbh->using_drcp) { /* connect uisng a DRCP */
ub4 purity = OCI_ATTR_PURITY_SELF;
/* pool Default values */
if (!imp_dbh->pool_min )
imp_dbh->pool_min = 4;
if (!imp_dbh->pool_max )
imp_dbh->pool_max = 40;
if (!imp_dbh->pool_incr)
imp_dbh->pool_incr = 2;
OCIHandleAlloc_ok(imp_dbh->envhp, &imp_dbh->poolhp, OCI_HTYPE_SPOOL, status);
OCISessionPoolCreate_log_stat(imp_dbh->envhp,
imp_dbh->errhp,
imp_dbh->poolhp,
(OraText **) &imp_dbh->pool_name,
(ub4 *) &imp_dbh->pool_namel,
(OraText *) dbname,
strlen(dbname),
imp_dbh->pool_min,
imp_dbh->pool_max,
imp_dbh->pool_incr,
(OraText *) uid,
strlen(uid),
(OraText *) pwd,
strlen(pwd),
status);
if (status != OCI_SUCCESS) {
oci_error(dbh, imp_dbh->errhp, status, "OCISessionPoolCreate");
OCIServerDetach_log_stat(imp_dbh->srvhp, imp_dbh->errhp, OCI_DEFAULT, status);
OCIHandleFree_log_stat(imp_dbh->poolhp, OCI_HTYPE_SPOOL,status);
OCIHandleFree_log_stat(imp_dbh->srvhp, OCI_HTYPE_SERVER, status);
OCIHandleFree_log_stat(imp_dbh->errhp, OCI_HTYPE_ERROR, status);
return 0;
}
OCIHandleAlloc_ok(imp_dbh->envhp, &imp_dbh->authp, OCI_HTYPE_AUTHINFO, status);
OCIAttrSet_log_stat(imp_dbh->authp, (ub4) OCI_HTYPE_AUTHINFO,
&purity, (ub4) 0,(ub4) OCI_ATTR_PURITY, imp_dbh->errhp, status);
if (imp_dbh->pool_class) /*pool_class may or may not be used */
OCIAttrSet_log_stat(imp_dbh->authp, (ub4) OCI_HTYPE_AUTHINFO,
(OraText *) imp_dbh->pool_class, (ub4) imp_dbh->pool_classl,
(ub4) OCI_ATTR_CONNECTION_CLASS, imp_dbh->errhp, status);
cred_type = ora_parse_uid(imp_dbh, &uid, &pwd);
OCISessionGet_log_stat(imp_dbh->envhp, imp_dbh->errhp, &imp_dbh->svchp, imp_dbh->authp,
imp_dbh->pool_name, (ub4)strlen((char *)imp_dbh->pool_name), status);
if (status != OCI_SUCCESS) {
oci_error(dbh, imp_dbh->errhp, status, "OCISessionGet");
OCIServerDetach_log_stat(imp_dbh->srvhp, imp_dbh->errhp, OCI_DEFAULT, status);
OCISessionPoolDestroy(imp_dbh->poolhp, imp_dbh->errhp,status);
OCIHandleFree_log_stat(imp_dbh->poolhp, OCI_HTYPE_SPOOL,status);
OCIHandleFree_log_stat(imp_dbh->srvhp, OCI_HTYPE_SERVER, status);
OCIHandleFree_log_stat(imp_dbh->errhp, OCI_HTYPE_ERROR, status);
return 0;
}
if (DBIS->debug >= 4 || dbd_verbose >= 4 ) {
PerlIO_printf(DBILOGFP,"Using DRCP with session settings min=%d, max=%d, and increment=%d\n",imp_dbh->pool_min,
imp_dbh->pool_max,
imp_dbh->pool_incr);
if (imp_dbh->pool_class)
PerlIO_printf(DBILOGFP,"with connection class=%s\n",imp_dbh->pool_class);
}
}
else {
#endif /* ORA_OCI_112 */
OCIHandleAlloc_ok(imp_dbh->envhp, &imp_dbh->svchp, OCI_HTYPE_SVCCTX, status);
OCIServerAttach_log_stat(imp_dbh, dbname,OCI_DEFAULT, status);
if (status != OCI_SUCCESS) {
oci_error(dbh, imp_dbh->errhp, status, "OCIServerAttach");
OCIHandleFree_log_stat(imp_dbh->seshp, OCI_HTYPE_SESSION,status);
OCIHandleFree_log_stat(imp_dbh->srvhp, OCI_HTYPE_SERVER, status);
OCIHandleFree_log_stat(imp_dbh->errhp, OCI_HTYPE_ERROR, status);
OCIHandleFree_log_stat(imp_dbh->svchp, OCI_HTYPE_SVCCTX, status);
if (forced_new_environment)
OCIHandleFree_log_stat(imp_dbh->envhp, OCI_HTYPE_ENV, status);
return 0;
}
OCIAttrSet_log_stat( imp_dbh->svchp, OCI_HTYPE_SVCCTX, imp_dbh->srvhp,
(ub4) 0, OCI_ATTR_SERVER, imp_dbh->errhp, status);
OCIHandleAlloc_ok(imp_dbh->envhp, &imp_dbh->seshp, OCI_HTYPE_SESSION, status);
cred_type = ora_parse_uid(imp_dbh, &uid, &pwd);
OCISessionBegin_log_stat( imp_dbh->svchp, imp_dbh->errhp, imp_dbh->seshp,cred_type, sess_mode_type, status);
if (status == OCI_SUCCESS_WITH_INFO) {
/* eg ORA-28011: the account will expire soon; change your password now */
oci_error(dbh, imp_dbh->errhp, status, "OCISessionBegin");
status = OCI_SUCCESS;
}
if (status != OCI_SUCCESS) {
oci_error(dbh, imp_dbh->errhp, status, "OCISessionBegin");
OCIServerDetach_log_stat(imp_dbh->srvhp, imp_dbh->errhp, OCI_DEFAULT, status);
OCIHandleFree_log_stat(imp_dbh->seshp, OCI_HTYPE_SESSION,status);
OCIHandleFree_log_stat(imp_dbh->srvhp, OCI_HTYPE_SERVER, status);
OCIHandleFree_log_stat(imp_dbh->errhp, OCI_HTYPE_ERROR, status);
OCIHandleFree_log_stat(imp_dbh->svchp, OCI_HTYPE_SVCCTX, status);
if (forced_new_environment)
OCIHandleFree_log_stat(imp_dbh->envhp, OCI_HTYPE_ENV, status);
return 0;
}
OCIAttrSet_log_stat(imp_dbh->svchp, (ub4) OCI_HTYPE_SVCCTX,
imp_dbh->seshp, (ub4) 0,(ub4) OCI_ATTR_SESSION, imp_dbh->errhp, status);
#ifdef ORA_OCI_112
}
#endif
}
}
DBIc_IMPSET_on(imp_dbh); /* imp_dbh set up now */
DBIc_ACTIVE_on(imp_dbh); /* call disconnect before freeing */
imp_dbh->ph_type = 1; /* SQLT_CHR "(ORANET TYPE) character string" */
imp_dbh->ph_csform = 0; /* meaning auto (see dbd_rebind_ph) */
if (!imp_drh->envhp) /* cache first envhp info drh as future default */
imp_drh->envhp = imp_dbh->envhp;
#if defined(USE_ITHREADS) && defined(PERL_MAGIC_shared_scalar)
if (shared_dbh_ssv && !shared_dbh) {
/* much of this could be replaced with a single sv_setpvn() */
(void)SvUPGRADE(shared_dbh_priv_sv, SVt_PV);
SvGROW(shared_dbh_priv_sv, sizeof(imp_dbh_t) + 1) ;
SvCUR (shared_dbh_priv_sv) = sizeof(imp_dbh_t) ;
imp_dbh->refcnt = 1 ;
imp_dbh->shared_dbh_priv_sv = shared_dbh_priv_sv ;
memcpy(SvPVX(shared_dbh_priv_sv) + DBH_DUP_OFF, ((char *)imp_dbh) + DBH_DUP_OFF, DBH_DUP_LEN) ;
SvSETMAGIC(shared_dbh_priv_sv);
imp_dbh->shared_dbh = (imp_dbh_t *)SvPVX(shared_dbh_ssv->sv);
}
#endif
/* set up TAF callback if wanted */
if (imp_dbh->using_taf){
bool can_taf;
OCIAttrGet_log_stat(imp_dbh->srvhp, OCI_HTYPE_SERVER, &can_taf, NULL,
OCI_ATTR_TAF_ENABLED, imp_dbh->errhp, status);
if (!can_taf){
croak("You are attempting to enable TAF on a server that is not TAF Enabled \n");
}
if (DBIS->debug >= 4 || dbd_verbose >= 4 ) {
PerlIO_printf(DBILOGFP,"Setting up TAF with wait time of %d seconds\n",imp_dbh->taf_sleep);
}
status = reg_taf_callback(imp_dbh);
if (status != OCI_SUCCESS) {
oci_error(dbh, NULL, status,
"Setting TAF Callback Failed! ");
return 0;
}
}
return 1;
}
int
dbd_db_commit(SV *dbh, imp_dbh_t *imp_dbh)
{
dTHX;
sword status;
OCITransCommit_log_stat(imp_dbh->svchp, imp_dbh->errhp, OCI_DEFAULT, status);
if (status != OCI_SUCCESS) {
oci_error(dbh, imp_dbh->errhp, status, "OCITransCommit");
return 0;
}
return 1;
}
int
dbd_st_cancel(SV *sth, imp_sth_t *imp_sth)
{
dTHX;
sword status;
status = OCIBreak(imp_sth->svchp, imp_sth->errhp);
if (status != OCI_SUCCESS) {
oci_error(sth, imp_sth->errhp, status, "OCIBreak");
return 0;
}
/* if we are using a scrolling cursor we should get rid of the
cursor by fetching row 0 */
if (imp_sth->exe_mode==OCI_STMT_SCROLLABLE_READONLY){
OCIStmtFetch_log_stat(imp_sth->stmhp, imp_sth->errhp, 0,OCI_FETCH_NEXT,0, status);
}
return 1;
}
int
dbd_db_rollback(SV *dbh, imp_dbh_t *imp_dbh)
{
dTHX;
sword status;
OCITransRollback_log_stat(imp_dbh->svchp, imp_dbh->errhp, OCI_DEFAULT, status);
if (status != OCI_SUCCESS) {
oci_error(dbh, imp_dbh->errhp, status, "OCITransRollback");
return 0;
}
return 1;
}
int dbd_st_bind_col(SV *sth, imp_sth_t *imp_sth, SV *col, SV *ref, IV type, SV *attribs) {
dTHX;
int field;
if (!SvIOK(col)) {
croak ("Invalid column number") ;
}
field = SvIV(col);
if ((field < 1) || (field > DBIc_NUM_FIELDS(imp_sth))) {
croak("cannot bind to non-existent field %d", field);
}
imp_sth->fbh[field-1].req_type = type;
imp_sth->fbh[field-1].bind_flags = 0; /* default to none */
#if DBIXS_REVISION >= 13590
/* DBIXS 13590 added StrictlyTyped and DiscardString attributes */
if (attribs) {
HV *attr_hash;
SV **attr;
if (!SvROK(attribs)) {
croak ("attributes is not a reference");
}