Adding in some code to create a database all nice like

CMakeLists.txt

@@ -50,6 +50,9 @@ include_directories(${JSONGLIB_INCLUDE_DIRS})
 pkg_check_modules(DBUSTEST REQUIRED dbustest-1>=14.04.0)
 include_directories(${DBUSTEST_INCLUDE_DIRS})
 
+pkg_check_modules(SQLITE REQUIRED sqlite3)
+include_directories(${SQLITE_INCLUDE_DIRS})
+
 if(${LOCAL_INSTALL})
   set(DBUSSERVICEDIR "${CMAKE_INSTALL_DATADIR}/dbus-1/services/")
 else()

service/CMakeLists.txt

@@ -1,16 +1,26 @@
 
+include(UseConstantBuilder)
+
 ###########################
 # Generated Lib
 ###########################
 
+
 set(SERVICE_GENERATED_HEADERS
+create-db-sql.h
 service-iface.h
 )
 
 set(SERVICE_GENERATED_SOURCES
 service-iface.c
 )
 
+add_constant_template(SERVICE_GENERATED_SOURCES
+	create-db-sql
+	create_db_sql
+	"${CMAKE_CURRENT_SOURCE_DIR}/create-db.sql"
+)
+
 add_gdbus_codegen(
 OUTFILES SERVICE_GENERATED_SOURCES
 NAME service-iface
@@ -33,6 +43,7 @@ ${JSONGLIB_LIBRARIES}
 ###########################
 
 add_library(dispatcher-lib STATIC
+	create-db.c
 	dispatcher.h
 	dispatcher.c)
 
@@ -41,6 +52,7 @@ target_link_libraries(dispatcher-lib
 	${GLIB2_LIBRARIES}
 	${GOBJECT2_LIBRARIES}
 	${GIO2_LIBRARIES}
+	${SQLITE_LIBRARIES}
 )
 
 ###########################

service/create-db-sql.h

@@ -0,0 +1,3 @@
+
+extern const char * create_db_sql;
+

service/create-db.c

@@ -0,0 +1,60 @@
+
+#include <sqlite3.h>
+#include <glib.h>
+#include "create-db-sql.h"
+
+sqlite3 *
+create_database (void)
+{
+	const gchar * cachedir = g_getenv("URL_DISPATCHER_CACHE_DIR"); /* Mostly for testing */
+
+	if (G_LIKELY(cachedir == NULL)) {
+		cachedir = g_get_user_cache_dir();
+	}
+
+	gchar * urldispatchercachedir = g_build_filename(cachedir, "url-dispatcher", NULL);
+	if (!g_file_test(urldispatchercachedir, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) {
+		gint cachedirokay = g_mkdir_with_parents(urldispatchercachedir, 1 << 6 | 1 << 7 | 1 << 8); // 700
+
+		if (cachedirokay != 0) {
+			g_warning("Unable to make or find cache directory '%s'", urldispatchercachedir);
+			g_free(urldispatchercachedir);
+			return NULL;
+		}
+	}
+
+	gchar * dbfilename = g_build_filename(urldispatchercachedir, "urls.db", NULL);
+	g_free(urldispatchercachedir);
+
+	gboolean dbexists = g_file_test(dbfilename, G_FILE_TEST_EXISTS);
+	int open_status = SQLITE_ERROR;
+	sqlite3 * db = NULL;
+
+	open_status = sqlite3_open(dbfilename, &db);
+	if (open_status != SQLITE_OK) {
+		g_warning("Unable to open URL database");
+		g_free(dbfilename);
+		if (db != NULL) {
+			sqlite3_close(db);
+		}
+		return NULL;
+	}
+
+	g_free(dbfilename);
+
+	if (!dbexists) { /* First usage */
+		int exec_status = SQLITE_ERROR;
+		char * failstring = NULL;
+
+		exec_status = sqlite3_exec(db, create_db_sql, NULL, NULL, &failstring);
+
+		if (exec_status != SQLITE_OK) {
+			g_warning("Unable to create tables: %s", failstring);
+			sqlite3_close(db);
+			return NULL;
+		}
+
+	}
+
+	return db;
+}