Merge from trunk

[plcapi.git] / trunk / psycopg2 / psycopg / connection.h

diff --git a/trunk/psycopg2/psycopg/connection.h b/trunk/psycopg2/psycopg/connection.h
new file mode 100644 (file)
index 0000000..7010120
--- /dev/null
+++ b/trunk/psycopg2/psycopg/connection.h
@@ -0,0 +1,97 @@
+/* connection.h - definition for the psycopg connection type
+ *
+ * Copyright (C) 2003 Federico Di Gregorio <fog@debian.org>
+ *
+ * This file is part of psycopg.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2,
+ * or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef PSYCOPG_CONNECTION_H
+#define PSYCOPG_CONNECTION_H 1
+
+#include <Python.h>
+#include <libpq-fe.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* connection status */
+#define CONN_STATUS_READY 1
+#define CONN_STATUS_BEGIN 2
+#define CONN_STATUS_SYNC  3
+#define CONN_STATUS_ASYNC 4
+    
+extern PyTypeObject connectionType;
+
+typedef struct {
+    PyObject HEAD;
+
+    pthread_mutex_t lock;   /* the global connection lock */
+
+    char *dsn;              /* data source name */
+    char *critical;         /* critical error on this connection */
+    char *encoding;         /* current backend encoding */
+    
+    long int closed;          /* 2 means connection has been closed */
+    long int isolation_level; /* isolation level for this connection */
+    long int mark;            /* number of commits/rollbacks done so far */ 
+    int status;               /* status of the connection */
+    int protocol;             /* protocol version */
+    
+    PGconn *pgconn;         /* the postgresql connection */
+
+    PyObject *async_cursor;
+    
+    /* notice processing */
+    PyObject *notice_list;
+    PyObject *notice_filter;
+
+    /* notifies */
+    PyObject *notifies;
+
+    /* errors (DBAPI-2.0 extension) */
+    PyObject *exc_Error;
+    PyObject *exc_Warning;
+    PyObject *exc_InterfaceError;
+    PyObject *exc_DatabaseError;
+    PyObject *exc_InternalError;
+    PyObject *exc_OperationalError;
+    PyObject *exc_ProgrammingError;
+    PyObject *exc_IntegrityError;
+    PyObject *exc_DataError;
+    PyObject *exc_NotSupportedError;
+    
+} connectionObject;
+    
+/* C-callable functions in connection_int.c and connection_ext.c */
+extern int  conn_connect(connectionObject *self);
+extern void conn_close(connectionObject *self);
+extern int  conn_commit(connectionObject *self);
+extern int  conn_rollback(connectionObject *self);
+extern int  conn_switch_isolation_level(connectionObject *self, int level);
+extern int  conn_set_client_encoding(connectionObject *self, char *enc); 
+
+/* exception-raising macros */
+#define EXC_IF_CONN_CLOSED(self) if ((self)->closed > 0) { \
+    PyErr_SetString(InterfaceError, "connection already closed"); \
+    return NULL; }
+    
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* !defined(PSYCOPG_CONNECTION_H) */