diff options
Diffstat (limited to 'addressbook/backend/pas/pas-backend-file.c')
| -rw-r--r-- | addressbook/backend/pas/pas-backend-file.c | 610 |
1 files changed, 0 insertions, 610 deletions
diff --git a/addressbook/backend/pas/pas-backend-file.c b/addressbook/backend/pas/pas-backend-file.c deleted file mode 100644 index 94c87f655b..0000000000 --- a/addressbook/backend/pas/pas-backend-file.c +++ /dev/null @@ -1,610 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * Author: - * Nat Friedman (nat@helixcode.com) - * - * Copyright 2000, Helix Code, Inc. - */ - -#include "config.h" -#include <gtk/gtksignal.h> -#include <fcntl.h> -#ifdef HAVE_DB_185_H -#include <db_185.h> -#else -#include <db.h> -#endif - -#include <pas-backend-file.h> -#include <pas-book.h> -#include <pas-card-cursor.h> - -#define PAS_BACKEND_FILE_VERSION_NAME "PAS-DB-VERSION" -#define PAS_BACKEND_FILE_VERSION "0.1" - -static PASBackendClass *pas_backend_file_parent_class; -typedef struct _PASBackendFileCursorPrivate PASBackendFileCursorPrivate; - -struct _PASBackendFilePrivate { - GList *clients; - gboolean loaded; - DB *file_db; -}; - -struct _PASBackendFileCursorPrivate { - PASBackend *backend; - PASBook *book; - - GList *elements; - guint32 num_elements; -}; - -static long -get_length(PASCardCursor *cursor, gpointer data) -{ - PASBackendFileCursorPrivate *cursor_data = (PASBackendFileCursorPrivate *) data; - - return cursor_data->num_elements; -} - -static char * -get_nth(PASCardCursor *cursor, long n, gpointer data) -{ - PASBackendFileCursorPrivate *cursor_data = (PASBackendFileCursorPrivate *) data; - GList *nth_item = g_list_nth(cursor_data->elements, n); - - return (char*)nth_item->data; -} - -static void -cursor_destroy(GtkObject *object, gpointer data) -{ - CORBA_Environment ev; - Evolution_Book corba_book; - PASBackendFileCursorPrivate *cursor_data = (PASBackendFileCursorPrivate *) data; - - corba_book = bonobo_object_corba_objref(BONOBO_OBJECT(cursor_data->book)); - - CORBA_exception_init(&ev); - - Evolution_Book_unref(corba_book, &ev); - - if (ev._major != CORBA_NO_EXCEPTION) { - g_warning("cursor_destroy: Exception unreffing " - "corba book.\n"); - } - - CORBA_exception_free(&ev); - - g_list_foreach(cursor_data->elements, (GFunc)g_free, NULL); - g_list_free (cursor_data->elements); - - g_free(cursor_data); -} - -static void -string_to_dbt(const char *str, DBT *dbt) -{ - dbt->data = (void*)str; - dbt->size = strlen (str); -} - -static char * -pas_backend_file_create_unique_id (char *vcard) -{ - return g_strdup ("foo"); /* XXX create unique id here */ -} - -static void -pas_backend_file_process_create_card (PASBackend *backend, - PASBook *book, - PASRequest *req) -{ - PASBackendFile *bf = PAS_BACKEND_FILE (backend); - DB *db = bf->priv->file_db; - DBT id_dbt, vcard_dbt; - int db_error; - char *id; - - id = pas_backend_file_create_unique_id (req->vcard); - - string_to_dbt (id, &id_dbt); - string_to_dbt (req->vcard, &vcard_dbt); - - db_error = db->put (db, &id_dbt, &vcard_dbt, 0); - - if (0 == db_error) { - pas_book_notify_add(book, id); - - pas_book_respond_create ( - book, - Evolution_BookListener_Success, - id); - - db_error = db->sync (db, 0); - if (db_error != 0) - g_warning ("db->sync failed.\n"); - } - else { - /* XXX need a different call status for this case, i - think */ - pas_book_respond_create ( - book, - Evolution_BookListener_CardNotFound, - ""); - } - - g_free (id); - g_free (req->vcard); -} - -static void -pas_backend_file_process_remove_card (PASBackend *backend, - PASBook *book, - PASRequest *req) -{ - PASBackendFile *bf = PAS_BACKEND_FILE (backend); - DB *db = bf->priv->file_db; - DBT id_dbt; - int db_error; - - string_to_dbt (req->id, &id_dbt); - - db_error = db->del (db, &id_dbt, 0); - - if (0 == db_error) { - pas_book_notify_remove (book, req->id); - - pas_book_respond_remove ( - book, - Evolution_BookListener_Success); - - db_error = db->sync (db, 0); - if (db_error != 0) - g_warning ("db->sync failed.\n"); - } - else { - pas_book_respond_remove ( - book, - Evolution_BookListener_CardNotFound); - } - - g_free (req->id); -} - -static void -pas_backend_file_process_modify_card (PASBackend *backend, - PASBook *book, - PASRequest *req) -{ - PASBackendFile *bf = PAS_BACKEND_FILE (backend); - DB *db = bf->priv->file_db; - DBT id_dbt, vcard_dbt; - int db_error; - - string_to_dbt (req->id, &id_dbt); - string_to_dbt (req->vcard, &vcard_dbt); - - db_error = db->put (db, &id_dbt, &vcard_dbt, 0); - - if (0 == db_error) { - - pas_book_notify_change (book, req->id); - - pas_book_respond_modify ( - book, - Evolution_BookListener_Success); - - db_error = db->sync (db, 0); - if (db_error != 0) - g_warning ("db->sync failed.\n"); - } - else { - pas_book_respond_modify ( - book, - Evolution_BookListener_CardNotFound); - } - - g_free (req->vcard); -} - -static void -pas_backend_file_build_all_cards_list(PASBackend *backend, - PASBackendFileCursorPrivate *cursor_data) -{ - PASBackendFile *bf = PAS_BACKEND_FILE (backend); - DB *db = bf->priv->file_db; - int db_error; - - cursor_data->elements = NULL; - do { - DBT id_dbt, vcard_dbt; - char *id; - - db_error = db->seq(db, &id_dbt, &vcard_dbt, R_NEXT); - - id = g_strndup(id_dbt.data, id_dbt.size); - - /* don't include the version in the list of cards */ - if (!strcmp (id, PAS_BACKEND_FILE_VERSION_NAME)) { - g_free(id); - continue; - } - else { - g_free(id); - g_list_append(cursor_data->elements, g_strndup(vcard_dbt.data, - vcard_dbt.size)); - } - - } while (db_error == 0); - - if (db_error == -1) { - g_warning ("pas_backend_file_build_all_cards_list: error building list\n"); - } - else { - cursor_data->num_elements = g_list_length (cursor_data->elements); - } -} - -static void -pas_backend_file_process_get_all_cards (PASBackend *backend, - PASBook *book, - PASRequest *req) -{ - /* - PASBackendFile *bf = PAS_BACKEND_FILE (backend); - DB *db = bf->priv->file_db; - DBT id_dbt, vcard_dbt; - */ - CORBA_Environment ev; - int db_error = 0; - PASBackendFileCursorPrivate *cursor_data; - PASCardCursor *cursor; - Evolution_Book corba_book; - - cursor_data = g_new(PASBackendFileCursorPrivate, 1); - cursor_data->backend = backend; - cursor_data->book = book; - - pas_backend_file_build_all_cards_list(backend, cursor_data); - - corba_book = bonobo_object_corba_objref(BONOBO_OBJECT(book)); - - CORBA_exception_init(&ev); - - Evolution_Book_ref(corba_book, &ev); - - if (ev._major != CORBA_NO_EXCEPTION) { - g_warning("pas_backend_file_process_get_all_cards: Exception reffing " - "corba book.\n"); - } - - CORBA_exception_free(&ev); - - cursor = pas_card_cursor_new(get_length, - get_nth, - cursor_data); - - gtk_signal_connect(GTK_OBJECT(cursor), "destroy", - GTK_SIGNAL_FUNC(cursor_destroy), cursor_data); - - pas_book_respond_get_cursor ( - book, - (db_error == 0 - ? Evolution_BookListener_Success - : Evolution_BookListener_CardNotFound), - cursor); -} - -static void -pas_backend_file_process_check_connection (PASBackend *backend, - PASBook *book, - PASRequest *req) -{ - PASBackendFile *bf = PAS_BACKEND_FILE (backend); - - pas_book_report_connection (book, bf->priv->file_db != NULL); -} - -static void -pas_backend_file_process_client_requests (PASBook *book) -{ - PASBackend *backend; - PASRequest *req; - - backend = pas_book_get_backend (book); - - req = pas_book_pop_request (book); - if (req == NULL) - return; - - switch (req->op) { - case CreateCard: - pas_backend_file_process_create_card (backend, book, req); - break; - - case RemoveCard: - pas_backend_file_process_remove_card (backend, book, req); - break; - - case ModifyCard: - pas_backend_file_process_modify_card (backend, book, req); - break; - - case CheckConnection: - pas_backend_file_process_check_connection (backend, book, req); - break; - - case GetAllCards: - pas_backend_file_process_get_all_cards (backend, book, req); - break; - } - - g_free (req); -} - -static void -pas_backend_file_book_destroy_cb (PASBook *book) -{ - PASBackendFile *backend; - - backend = PAS_BACKEND_FILE (pas_book_get_backend (book)); - - pas_backend_remove_client (PAS_BACKEND (backend), book); -} - -static char * -pas_backend_file_get_vcard (PASBook *book, const char *id) -{ - PASBackendFile *bf; - DBT id_dbt, vcard_dbt; - DB *db; - int db_error; - - bf = PAS_BACKEND_FILE (pas_book_get_backend (book)); - db = bf->priv->file_db; - - string_to_dbt (id, &id_dbt); - - db_error = db->get (db, &id_dbt, &vcard_dbt, 0); - if (db_error == 0) { - /* success */ - return g_strndup (vcard_dbt.data, vcard_dbt.size); - } - else if (db_error == 1) { - /* key was not in file */ - return g_strdup (""); /* XXX */ - } - else /* if (db_error < 0)*/ { - /* error */ - return g_strdup (""); /* XXX */ - } -} - -static char * -pas_backend_file_extract_path_from_uri (const char *uri) -{ - g_assert (strncasecmp (uri, "file:", 5) == 0); - - return g_strdup (uri + 5); -} - -static gboolean -pas_backend_file_upgrade_db (PASBackendFile *bf, char *old_version) -{ - if (!strcmp (old_version, "0.0")) { - /* 0.0 is the same as 0.1, we just need to add the version */ - DB *db = bf->priv->file_db; - DBT version_name_dbt, version_dbt; - int db_error; - - string_to_dbt (PAS_BACKEND_FILE_VERSION_NAME, &version_name_dbt); - string_to_dbt (PAS_BACKEND_FILE_VERSION, &version_dbt); - - db_error = db->put (db, &version_name_dbt, &version_dbt, 0); - if (db_error == 0) - return TRUE; - else - return FALSE; - } - else { - g_warning ("unsupported version '%s' found in PAS backend file\n", - old_version); - return FALSE; - } -} - -static gboolean -pas_backend_file_maybe_upgrade_db (PASBackendFile *bf) -{ - DB *db = bf->priv->file_db; - DBT version_name_dbt, version_dbt; - int db_error; - char *version; - gboolean ret_val = TRUE; - - string_to_dbt (PAS_BACKEND_FILE_VERSION_NAME, &version_name_dbt); - - db_error = db->get (db, &version_name_dbt, &version_dbt, 0); - if (db_error == 0) { - /* success */ - version = g_strndup (version_dbt.data, version_dbt.size); - } - else { - /* key was not in file */ - version = g_strdup ("0.0"); - } - - if (strcmp (version, PAS_BACKEND_FILE_VERSION)) - ret_val = pas_backend_file_upgrade_db (bf, version); - - g_free (version); - - return ret_val; -} - -static void -pas_backend_file_load_uri (PASBackend *backend, - const char *uri) -{ - PASBackendFile *bf = PAS_BACKEND_FILE (backend); - char *filename; - - g_assert (bf->priv->loaded == FALSE); - - filename = pas_backend_file_extract_path_from_uri (uri); - - bf->priv->file_db = dbopen (filename, O_RDWR | O_CREAT, 0666, DB_HASH, NULL); - - if (bf->priv->file_db != NULL) { - if (pas_backend_file_maybe_upgrade_db (bf)) - bf->priv->loaded = TRUE; - /* XXX what if we fail to upgrade it? */ - } - else - g_warning ("pas_backend_file_load_uri failed for '%s'\n", filename); - - g_free (filename); -} - -static void -pas_backend_file_add_client (PASBackend *backend, - Evolution_BookListener listener) -{ - PASBackendFile *bf; - PASBook *book; - - g_assert (backend != NULL); - g_assert (PAS_IS_BACKEND_FILE (backend)); - - bf = PAS_BACKEND_FILE (backend); - - book = pas_book_new ( - backend, listener, - pas_backend_file_get_vcard); - - g_assert (book != NULL); - - gtk_signal_connect (GTK_OBJECT (book), "destroy", - pas_backend_file_book_destroy_cb, NULL); - - gtk_signal_connect (GTK_OBJECT (book), "requests_queued", - pas_backend_file_process_client_requests, NULL); - - bf->priv->clients = g_list_prepend ( - bf->priv->clients, book); - - if (bf->priv->loaded) { - pas_book_respond_open ( - book, Evolution_BookListener_Success); - } else { - /* Open the book. */ - pas_book_respond_open ( - book, Evolution_BookListener_Success); - } -} - -static void -pas_backend_file_remove_client (PASBackend *backend, - PASBook *book) -{ - g_return_if_fail (backend != NULL); - g_return_if_fail (PAS_IS_BACKEND (backend)); - g_return_if_fail (book != NULL); - g_return_if_fail (PAS_IS_BOOK (book)); - - g_warning ("pas_backend_file_remove_client: Unimplemented!\n"); -} - -static gboolean -pas_backend_file_construct (PASBackendFile *backend) -{ - g_assert (backend != NULL); - g_assert (PAS_IS_BACKEND_FILE (backend)); - - if (! pas_backend_construct (PAS_BACKEND (backend))) - return FALSE; - - return TRUE; -} - -/** - * pas_backend_file_new: - */ -PASBackend * -pas_backend_file_new (void) -{ - PASBackendFile *backend; - - backend = gtk_type_new (pas_backend_file_get_type ()); - - if (! pas_backend_file_construct (backend)) { - gtk_object_unref (GTK_OBJECT (backend)); - - return NULL; - } - - return PAS_BACKEND (backend); -} - -static void -pas_backend_file_destroy (GtkObject *object) -{ - GTK_OBJECT_CLASS (pas_backend_file_parent_class)->destroy (object); -} - -static void -pas_backend_file_class_init (PASBackendFileClass *klass) -{ - GtkObjectClass *object_class = (GtkObjectClass *) klass; - PASBackendClass *parent_class; - - pas_backend_file_parent_class = gtk_type_class (pas_backend_get_type ()); - - parent_class = PAS_BACKEND_CLASS (klass); - - /* Set the virtual methods. */ - parent_class->load_uri = pas_backend_file_load_uri; - parent_class->add_client = pas_backend_file_add_client; - parent_class->remove_client = pas_backend_file_remove_client; - - object_class->destroy = pas_backend_file_destroy; -} - -static void -pas_backend_file_init (PASBackendFile *backend) -{ - PASBackendFilePrivate *priv; - - priv = g_new0 (PASBackendFilePrivate, 1); - priv->loaded = FALSE; - priv->clients = NULL; - - backend->priv = priv; -} - -/** - * pas_backend_file_get_type: - */ -GtkType -pas_backend_file_get_type (void) -{ - static GtkType type = 0; - - if (! type) { - GtkTypeInfo info = { - "PASBackendFile", - sizeof (PASBackendFile), - sizeof (PASBackendFileClass), - (GtkClassInitFunc) pas_backend_file_class_init, - (GtkObjectInitFunc) pas_backend_file_init, - NULL, /* reserved 1 */ - NULL, /* reserved 2 */ - (GtkClassInitFunc) NULL - }; - - type = gtk_type_unique (pas_backend_get_type (), &info); - } - - return type; -} |