4 files changed, 204 insertions, 0 deletions
diff --git a/lib/pgsql_shim/CMakeLists.txt b/lib/pgsql_shim/CMakeLists.txt
new file mode 100644
index 0000000..327b64a
--- /dev/null
+++ b/lib/pgsql_shim/CMakeLists.txt
@@ -0,0 +1,32 @@
+# Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+
+
+link_directories(${PostgreSQL_LIBRARY_DIRS})
+include_directories(${PostgreSQL_INCLUDE_DIRS})
+
+set(pgsql_shim_SOURCES
+  pgsql_shim.def
+  pgsqlinterface.cpp pgsqlinterface.hpp
+)
+
+if(ICINGA2_UNITY_BUILD)
+  mkunity_target(pgsql_shim pgsql_shim pgsql_shim_SOURCES)
+endif()
+
+add_library(pgsql_shim SHARED ${pgsql_shim_SOURCES})
+
+include(GenerateExportHeader)
+generate_export_header(pgsql_shim)
+
+target_link_libraries(pgsql_shim ${PostgreSQL_LIBRARIES})
+
+set_target_properties (
+  pgsql_shim PROPERTIES
+  FOLDER Lib
+  VERSION ${SPEC_VERSION}
+)
+
+install(
+  TARGETS pgsql_shim
+  RUNTIME DESTINATION ${CMAKE_INSTALL_SBINDIR}
+  LIBRARY DESTINATION ${CMAKE_INSTALL_FULL_LIBDIR}/icinga2
+)
diff --git a/lib/pgsql_shim/pgsql_shim.def b/lib/pgsql_shim/pgsql_shim.def
new file mode 100644
index 0000000..7580d67
--- /dev/null
+++ b/lib/pgsql_shim/pgsql_shim.def
@@ -0,0 +1,3 @@
+LIBRARY pgsql_shim
+EXPORTS
+	create_pgsql_shim
diff --git a/lib/pgsql_shim/pgsqlinterface.cpp b/lib/pgsql_shim/pgsqlinterface.cpp
new file mode 100644
index 0000000..95b6e7d
--- /dev/null
+++ b/lib/pgsql_shim/pgsqlinterface.cpp
@@ -0,0 +1,108 @@
+/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
+
+#include "pgsql_shim/pgsqlinterface.hpp"
+
+using namespace icinga;
+
+struct PgsqlInterfaceImpl final : public PgsqlInterface
+{
+	void Destroy() override
+	{
+		delete this;
+	}
+
+	void clear(PGresult *res) const override
+	{
+		PQclear(res);
+	}
+
+	char *cmdTuples(PGresult *res) const override
+	{
+		return PQcmdTuples(res);
+	}
+
+	char *errorMessage(const PGconn *conn) const override
+	{
+		return PQerrorMessage(conn);
+	}
+
+	size_t escapeStringConn(PGconn *conn, char *to, const char *from, size_t length, int *error) const override
+	{
+		return PQescapeStringConn(conn, to, from, length, error);
+	}
+
+	PGresult *exec(PGconn *conn, const char *query) const override
+	{
+		return PQexec(conn, query);
+	}
+
+	void finish(PGconn *conn) const override
+	{
+		PQfinish(conn);
+	}
+
+	char *fname(const PGresult *res, int field_num) const override
+	{
+		return PQfname(res, field_num);
+	}
+
+	int getisnull(const PGresult *res, int tup_num, int field_num) const override
+	{
+		return PQgetisnull(res, tup_num, field_num);
+	}
+
+	char *getvalue(const PGresult *res, int tup_num, int field_num) const override
+	{
+		return PQgetvalue(res, tup_num, field_num);
+	}
+
+	int isthreadsafe() const override
+	{
+		return PQisthreadsafe();
+	}
+
+	int nfields(const PGresult *res) const override
+	{
+		return PQnfields(res);
+	}
+
+	int ntuples(const PGresult *res) const override
+	{
+		return PQntuples(res);
+	}
+
+	char *resultErrorMessage(const PGresult *res) const override
+	{
+		return PQresultErrorMessage(res);
+	}
+
+	ExecStatusType resultStatus(const PGresult *res) const override
+	{
+		return PQresultStatus(res);
+	}
+
+	int serverVersion(const PGconn *conn) const override
+	{
+		return PQserverVersion(conn);
+	}
+
+	PGconn *setdbLogin(const char *pghost, const char *pgport, const char *pgoptions, const char *pgtty, const char *dbName, const char *login, const char *pwd) const override
+	{
+		return PQsetdbLogin(pghost, pgport, pgoptions, pgtty, dbName, login, pwd);
+	}
+
+	PGconn *connectdb(const char *conninfo) const override
+	{
+		return PQconnectdb(conninfo);
+	}
+
+	ConnStatusType status(const PGconn *conn) const override
+	{
+		return PQstatus(conn);
+	}
+};
+
+PgsqlInterface *create_pgsql_shim()
+{
+	return new PgsqlInterfaceImpl();
+}
diff --git a/lib/pgsql_shim/pgsqlinterface.hpp b/lib/pgsql_shim/pgsqlinterface.hpp
new file mode 100644
index 0000000..2fe3303
--- /dev/null
+++ b/lib/pgsql_shim/pgsqlinterface.hpp
@@ -0,0 +1,61 @@
+/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
+
+#ifndef PGSQLINTERFACE_H
+#define PGSQLINTERFACE_H
+
+#include "pgsql_shim/pgsql_shim_export.h"
+#include <memory>
+#include <libpq-fe.h>
+
+namespace icinga
+{
+
+struct PgsqlInterface
+{
+	PgsqlInterface(const PgsqlInterface&) = delete;
+	PgsqlInterface& operator=(PgsqlInterface&) = delete;
+
+	virtual void Destroy() = 0;
+
+	virtual void clear(PGresult *res) const = 0;
+	virtual char *cmdTuples(PGresult *res) const = 0;
+	virtual char *errorMessage(const PGconn *conn) const = 0;
+	virtual size_t escapeStringConn(PGconn *conn, char *to, const char *from, size_t length, int *error) const = 0;
+	virtual PGresult *exec(PGconn *conn, const char *query) const = 0;
+	virtual void finish(PGconn *conn) const = 0;
+	virtual char *fname(const PGresult *res, int field_num) const = 0;
+	virtual int getisnull(const PGresult *res, int tup_num, int field_num) const = 0;
+	virtual char *getvalue(const PGresult *res, int tup_num, int field_num) const = 0;
+	virtual int isthreadsafe() const = 0;
+	virtual int nfields(const PGresult *res) const = 0;
+	virtual int ntuples(const PGresult *res) const = 0;
+	virtual char *resultErrorMessage(const PGresult *res) const = 0;
+	virtual ExecStatusType resultStatus(const PGresult *res) const = 0;
+	virtual int serverVersion(const PGconn *conn) const = 0;
+	virtual PGconn *setdbLogin(const char *pghost, const char *pgport, const char *pgoptions, const char *pgtty, const char *dbName, const char *login, const char *pwd) const = 0;
+	virtual PGconn *connectdb(const char *conninfo) const = 0;
+	virtual ConnStatusType status(const PGconn *conn) const = 0;
+
+protected:
+	PgsqlInterface() = default;
+	~PgsqlInterface() = default;
+};
+
+struct PgsqlInterfaceDeleter
+{
+	void operator()(PgsqlInterface *ifc) const
+	{
+		ifc->Destroy();
+	}
+};
+
+}
+
+extern "C"
+{
+	PGSQL_SHIM_EXPORT icinga::PgsqlInterface *create_pgsql_shim();
+}
+
+typedef icinga::PgsqlInterface *(*create_pgsql_shim_ptr)();
+
+#endif /* PGSQLINTERFACE_H */