libcodbcpp initial release

1 files changed, 52 insertions, 0 deletions

diff --git a/libodbcpp/connection.cpp b/libodbcpp/connection.cpp
new file mode 100644
index 0000000..4130f08
--- /dev/null
+++ b/libodbcpp/connection.cpp
@@ -0,0 +1,52 @@
+#include <sqlext.h>
+#include <syslog.h>
+#include "connection.h"
+#include "error.h"
+
+ODBC::Connection::Connection(const DSN& d) :
+	DSN(d),
+	env(0),
+	conn(0)
+{
+	SQLRETURN dberr = SQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE, &env);
+	if ((dberr != SQL_SUCCESS) && (dberr != SQL_SUCCESS_WITH_INFO)) {
+		throw Error(dberr, SQL_HANDLE_ENV, env, "Allocate handle");
+	}
+
+	dberr = SQLSetEnvAttr(env, SQL_ATTR_ODBC_VERSION, (void *) SQL_OV_ODBC3, 0);
+	if ((dberr != SQL_SUCCESS) && (dberr != SQL_SUCCESS_WITH_INFO)) {
+		throw Error(dberr, SQL_HANDLE_ENV, env, "Set ODBC version");
+	}
+
+	dberr = SQLAllocHandle(SQL_HANDLE_DBC, env, &conn);
+	if ((dberr != SQL_SUCCESS) && (dberr != SQL_SUCCESS_WITH_INFO)) {
+		throw Error(dberr, SQL_HANDLE_ENV, env, "Allocate DBC handle");
+	}
+
+	dberr = SQLSetConnectAttr(conn, SQL_LOGIN_TIMEOUT, (SQLPOINTER *)5, 0);
+	if ((dberr != SQL_SUCCESS) && (dberr != SQL_SUCCESS_WITH_INFO)) {
+		throw Error(dberr, SQL_HANDLE_ENV, env, "Set connection attributes");
+	}
+
+	dberr = SQLConnect(conn, dsn, SQL_NTS, username, SQL_NTS, password, SQL_NTS);
+	if ((dberr != SQL_SUCCESS) && (dberr != SQL_SUCCESS_WITH_INFO)) {
+		throw Error(dberr, SQL_HANDLE_DBC, conn, "Connect");
+	}
+}
+
+ODBC::Connection::~Connection()
+{
+	if (conn) {
+		if (SQLDisconnect(conn) != SQL_SUCCESS) {
+			syslog(LOG_WARNING, "%s: Disconnect error", __FUNCTION__);
+		}
+		if (SQLFreeHandle(SQL_HANDLE_DBC, conn) != SQL_SUCCESS) {
+			syslog(LOG_WARNING, "%s: Free connection handle error", __FUNCTION__);
+		}
+	}
+	if (env) {
+		if (SQLFreeHandle(SQL_HANDLE_ENV, env) != SQL_SUCCESS) {
+			syslog(LOG_WARNING, "%s: Free connection handle error", __FUNCTION__);
+		}
+	}
+}