diff options
Diffstat (limited to 'addressbook/backend/pas/pas-backend-file.c')
| -rw-r--r-- | addressbook/backend/pas/pas-backend-file.c | 1163 |
1 files changed, 0 insertions, 1163 deletions
diff --git a/addressbook/backend/pas/pas-backend-file.c b/addressbook/backend/pas/pas-backend-file.c deleted file mode 100644 index e2ca9a7348..0000000000 --- a/addressbook/backend/pas/pas-backend-file.c +++ /dev/null @@ -1,1163 +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> -#include <time.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" -#include <ebook/e-card.h> -#include <e-util/e-sexp.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; -typedef struct _PASBackendFileBookView PASBackendFileBookView; -typedef struct _PASBackendFileSearchContext PASBackendFileSearchContext; - -struct _PASBackendFilePrivate { - GList *clients; - gboolean loaded; - char *uri; - DB *file_db; - GList *book_views; -}; - -struct _PASBackendFileCursorPrivate { - PASBackend *backend; - PASBook *book; - - GList *elements; - guint32 num_elements; -}; - -struct _PASBackendFileBookView { - PASBookView *book_view; - gchar *search; - ESExp *search_sexp; - PASBackendFileSearchContext *search_context; -}; - -struct _PASBackendFileSearchContext { - ECard *ecard; -}; - -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 g_strdup((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 -view_destroy(GtkObject *object, gpointer data) -{ - CORBA_Environment ev; - Evolution_Book corba_book; - PASBook *book = (PASBook *)data; - PASBackendFile *bf; - GList *list; - - bf = PAS_BACKEND_FILE(pas_book_get_backend(book)); - for (list = bf->priv->book_views; list; list = g_list_next(list)) { - PASBackendFileBookView *view = list->data; - if (view->book_view == PAS_BOOK_VIEW(object)) { - gtk_object_unref((GtkObject *)view->search_sexp); - g_free (view->search_context); - g_free (view->search); - g_free (view); - bf->priv->book_views = g_list_remove_link(bf->priv->book_views, list); - g_list_free_1(list); - break; - } - } - - corba_book = bonobo_object_corba_objref(BONOBO_OBJECT(book)); - - CORBA_exception_init(&ev); - - Evolution_Book_unref(corba_book, &ev); - - if (ev._major != CORBA_NO_EXCEPTION) { - g_warning("view_destroy: Exception unreffing " - "corba book.\n"); - } - - CORBA_exception_free(&ev); -} - -static void -string_to_dbt(const char *str, DBT *dbt) -{ - dbt->data = (void*)str; - dbt->size = strlen (str) + 1; -} - -static char * -pas_backend_file_create_unique_id (char *vcard) -{ - /* use a 32 counter and the 32 bit timestamp to make an id. - it's doubtful 2^32 id's will be created in a second, so we - should be okay. */ - static guint c = 0; - return g_strdup_printf ("pas-id-%08lX%08X", time(NULL), c++); -} - -static gboolean -compare_email (ECard *ecard, const char *str, - char *(*compare)(const char*, const char*)) -{ - ECardList *prop_list; - ECardIterator *iter; - gboolean truth = FALSE; - - gtk_object_get(GTK_OBJECT(ecard), - "email", &prop_list, NULL); - - iter = e_card_list_get_iterator(prop_list); - - while (e_card_iterator_is_valid(iter)) { - - if (compare((char*)e_card_iterator_get(iter), str)) { - truth = TRUE; - break; - } - else { - e_card_iterator_next(iter); - } - } - - gtk_object_unref (GTK_OBJECT(iter)); - - return truth; -} - -static gboolean -compare_phone (ECard *ecard, const char *str, - char *(*compare)(const char*, const char*)) -{ - ECardList *prop_list; - ECardIterator *iter; - gboolean truth = FALSE; - - gtk_object_get(GTK_OBJECT(ecard), - "phone", &prop_list, NULL); - - iter = e_card_list_get_iterator(prop_list); - - while (e_card_iterator_is_valid(iter)) { - ECardPhone *phone = (ECardPhone*)e_card_iterator_get(iter); - if (compare(phone->number, str)) { - truth = TRUE; - break; - } - else { - e_card_iterator_next(iter); - } - } - - gtk_object_unref (GTK_OBJECT(iter)); - - return truth; -} - -static gboolean -compare_address (ECard *ecard, const char *str, - char *(*compare)(const char*, const char*)) -{ - g_warning("address searching not implemented\n"); - return FALSE; -} - -static struct prop_info { - const char *query_prop; - const char *ecard_prop; -#define PROP_TYPE_NORMAL 0x01 -#define PROP_TYPE_LIST 0x02 -#define PROP_TYPE_LISTITEM 0x03 - int prop_type; - gboolean (*list_compare)(ECard *ecard, const char *str, - char *(*compare)(const char*, const char*)); - -} prop_info_table[] = { - /* query prop, ecard prop, type, list compare function */ - { "file_as", "file_as", PROP_TYPE_NORMAL, NULL }, - { "full_name", "full_name", PROP_TYPE_NORMAL, NULL }, - { "url", "url", PROP_TYPE_NORMAL, NULL }, - { "mailer", "mailer", PROP_TYPE_NORMAL, NULL }, - { "org", "org", PROP_TYPE_NORMAL, NULL }, - { "org_unit", "org_unit", PROP_TYPE_NORMAL, NULL }, - { "office", "office", PROP_TYPE_NORMAL, NULL }, - { "title", "title", PROP_TYPE_NORMAL, NULL }, - { "role", "role", PROP_TYPE_NORMAL, NULL }, - { "manager", "manager", PROP_TYPE_NORMAL, NULL }, - { "assistant", "assistant", PROP_TYPE_NORMAL, NULL }, - { "nickname", "nickname", PROP_TYPE_NORMAL, NULL }, - { "spouse", "spouse", PROP_TYPE_NORMAL, NULL }, - { "email", "email", PROP_TYPE_LIST, compare_email }, - { "phone", "phone", PROP_TYPE_LIST, compare_phone }, - { "address", "address", PROP_TYPE_LIST, compare_address }, - { "note", "note", PROP_TYPE_NORMAL, NULL }, -}; -static int num_prop_infos = sizeof(prop_info_table) / sizeof(prop_info_table[0]); - -static ESExpResult * -entry_compare(PASBackendFileSearchContext *ctx, struct _ESExp *f, - int argc, struct _ESExpResult **argv, - char *(*compare)(const char*, const char*)) -{ - ESExpResult *r; - int truth = FALSE; - - if (argc == 2 - && argv[0]->type == ESEXP_RES_STRING - && argv[1]->type == ESEXP_RES_STRING) { - char *propname; - struct prop_info *info = NULL; - int i; - - propname = argv[0]->value.string; - - for (i = 0; i < num_prop_infos; i ++) { - if (!strcmp (prop_info_table[i].query_prop, propname)) { - info = &prop_info_table[i]; - break; - } - } - - if (info) { - if (info->prop_type == PROP_TYPE_NORMAL) { - char *prop = NULL; - /* searches where the query's property - maps directly to an ecard property */ - - gtk_object_get(GTK_OBJECT(ctx->ecard), - info->ecard_prop, &prop, NULL); - - if (prop && compare(prop, argv[1]->value.string)) { - truth = TRUE; - } - if ((!prop) && compare("", argv[1]->value.string)) { - truth = TRUE; - } - } - else if (info->prop_type == PROP_TYPE_LIST) { - /* the special searches that match any of the list elements */ - truth = info->list_compare (ctx->ecard, argv[1]->value.string, compare); - } - } - - } - r = e_sexp_result_new(ESEXP_RES_BOOL); - r->value.bool = truth; - - return r; -} - -static ESExpResult * -func_contains(struct _ESExp *f, int argc, struct _ESExpResult **argv, void *data) -{ - PASBackendFileSearchContext *ctx = data; - - return entry_compare (ctx, f, argc, argv, strstr); -} - -static char * -is_helper (const char *s1, const char *s2) -{ - if (!strcmp(s1, s2)) - return (char*)s1; - else - return NULL; -} - -static ESExpResult * -func_is(struct _ESExp *f, int argc, struct _ESExpResult **argv, void *data) -{ - PASBackendFileSearchContext *ctx = data; - - return entry_compare (ctx, f, argc, argv, is_helper); -} - -static char * -endswith_helper (const char *s1, const char *s2) -{ - char *p; - if ((p = strstr(s1, s2)) - && (strlen(p) == strlen(s2))) - return p; - else - return NULL; -} - -static ESExpResult * -func_endswith(struct _ESExp *f, int argc, struct _ESExpResult **argv, void *data) -{ - PASBackendFileSearchContext *ctx = data; - - return entry_compare (ctx, f, argc, argv, endswith_helper); -} - -static char * -beginswith_helper (const char *s1, const char *s2) -{ - char *p; - if ((p = strstr(s1, s2)) - && (p == s1)) - return p; - else - return NULL; -} - -static ESExpResult * -func_beginswith(struct _ESExp *f, int argc, struct _ESExpResult **argv, void *data) -{ - PASBackendFileSearchContext *ctx = data; - - return entry_compare (ctx, f, argc, argv, beginswith_helper); -} - -/* 'builtin' functions */ -static struct { - char *name; - ESExpFunc *func; - int type; /* set to 1 if a function can perform shortcut evaluation, or - doesn't execute everything, 0 otherwise */ -} symbols[] = { - { "contains", func_contains, 0 }, - { "is", func_is, 0 }, - { "beginswith", func_beginswith, 0 }, - { "endswith", func_endswith, 0 }, -}; - -static gboolean -vcard_matches_search (PASBackendFileBookView *view, char *vcard_string) -{ - ESExpResult *r; - gboolean retval; - - view->search_context->ecard = e_card_new (vcard_string); - - /* if it's not a valid vcard why is it in our db? :) */ - if (!view->search_context->ecard) - return FALSE; - - r = e_sexp_eval(view->search_sexp); - - retval = (r && r->type == ESEXP_RES_BOOL && r->value.bool); - - gtk_object_unref(GTK_OBJECT(view->search_context->ecard)); - - e_sexp_result_free(r); - - return retval; -} - -static void -pas_backend_file_search (PASBackendFile *bf, - PASBook *book, - PASBackendFileBookView *view) -{ - int db_error = 0; - GList *cards = NULL; - DB *db = bf->priv->file_db; - DBT id_dbt, vcard_dbt; - int i; - - view->search_sexp = e_sexp_new(); - view->search_context = g_new0(PASBackendFileSearchContext, 1); - - for(i=0;i<sizeof(symbols)/sizeof(symbols[0]);i++) { - if (symbols[i].type == 1) { - e_sexp_add_ifunction(view->search_sexp, 0, symbols[i].name, - (ESExpIFunc *)symbols[i].func, view->search_context); - } else { - e_sexp_add_function(view->search_sexp, 0, symbols[i].name, - symbols[i].func, view->search_context); - } - } - - e_sexp_input_text(view->search_sexp, view->search, strlen(view->search)); - e_sexp_parse(view->search_sexp); - - db_error = db->seq(db, &id_dbt, &vcard_dbt, R_FIRST); - - while (db_error == 0) { - - /* don't include the version in the list of cards */ - if (id_dbt.size != strlen(PAS_BACKEND_FILE_VERSION_NAME + 1) - || strcmp (id_dbt.data, PAS_BACKEND_FILE_VERSION_NAME)) { - char *vcard_string = vcard_dbt.data; - - /* check if the vcard matches the search sexp */ - if (vcard_matches_search (view, vcard_string)) { - cards = g_list_append (cards, strdup(vcard_string)); - } - } - - db_error = db->seq(db, &id_dbt, &vcard_dbt, R_NEXT); - } - - if (db_error == -1) { - g_warning ("pas_backend_file_search: error building list\n"); - } - else { - pas_book_view_notify_add (view->book_view, cards); - } - - /* - ** It's fine to do this now since the data has been handed off. - */ - g_list_foreach (cards, (GFunc)g_free, NULL); - g_list_free (cards); -} - -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; - GList *list; - ECard *card; - char *vcard; - - id = pas_backend_file_create_unique_id (req->vcard); - - string_to_dbt (id, &id_dbt); - - card = e_card_new(req->vcard); - e_card_set_id(card, id); - vcard = e_card_get_vcard(card); - - string_to_dbt (vcard, &vcard_dbt); - - db_error = db->put (db, &id_dbt, &vcard_dbt, 0); - - if (0 == db_error) { - db_error = db->sync (db, 0); - if (db_error != 0) - g_warning ("db->sync failed.\n"); - - for (list = bf->priv->book_views; list; list = g_list_next(list)) { - PASBackendFileBookView *view = list->data; - if (vcard_matches_search (view, vcard)) - pas_book_view_notify_add_1 (view->book_view, req->vcard); - } - - pas_book_respond_create ( - book, - Evolution_BookListener_Success, - id); - - } - 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 (vcard); - g_free (req->vcard); - - gtk_object_unref(GTK_OBJECT(card)); - card = NULL; -} - -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, vcard_dbt; - int db_error; - GList *list; - char *vcard_string; - - string_to_dbt (req->id, &id_dbt); - - db_error = db->get (db, &id_dbt, &vcard_dbt, 0); - if (0 != db_error) { - pas_book_respond_remove ( - book, - Evolution_BookListener_CardNotFound); - g_free (req->id); - return; - } - - db_error = db->del (db, &id_dbt, 0); - if (0 != db_error) { - pas_book_respond_remove ( - book, - Evolution_BookListener_CardNotFound); - g_free (req->id); - return; - } - - db_error = db->sync (db, 0); - if (db_error != 0) - g_warning ("db->sync failed.\n"); - - - vcard_string = vcard_dbt.data; - for (list = bf->priv->book_views; list; list = g_list_next(list)) { - PASBackendFileBookView *view = list->data; - if (vcard_matches_search (view, vcard_string)) - pas_book_view_notify_remove (view->book_view, req->id); - } - - pas_book_respond_remove ( - book, - Evolution_BookListener_Success); - - 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; - GList *list; - ECard *card; - char *id; - char *old_vcard_string; - - /* create a new ecard from the request data */ - card = e_card_new(req->vcard); - id = e_card_get_id(card); - - string_to_dbt (id, &id_dbt); - - /* get the old ecard - the one that's presently in the db */ - db_error = db->get (db, &id_dbt, &vcard_dbt, 0); - if (0 != db_error) { - pas_book_respond_modify ( - book, - Evolution_BookListener_CardNotFound); - g_free (req->id); - return; - } - old_vcard_string = g_strdup(vcard_dbt.data); - - string_to_dbt (req->vcard, &vcard_dbt); - - db_error = db->put (db, &id_dbt, &vcard_dbt, 0); - - if (0 == db_error) { - db_error = db->sync (db, 0); - if (db_error != 0) - g_warning ("db->sync failed.\n"); - - for (list = bf->priv->book_views; list; list = g_list_next(list)) { - PASBackendFileBookView *view = list->data; - gboolean old_match, new_match; - - old_match = vcard_matches_search (view, old_vcard_string); - new_match = vcard_matches_search (view, req->vcard); - if (old_match && new_match) - pas_book_view_notify_change_1 (view->book_view, req->vcard); - else if (new_match) - pas_book_view_notify_add_1 (view->book_view, req->vcard); - else /* if (old_match) */ - pas_book_view_notify_remove (view->book_view, id); - } - - pas_book_respond_modify ( - book, - Evolution_BookListener_Success); - } - else { - pas_book_respond_modify ( - book, - Evolution_BookListener_CardNotFound); - } - - gtk_object_unref(GTK_OBJECT(card)); - 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; - DBT id_dbt, vcard_dbt; - - cursor_data->elements = NULL; - - db_error = db->seq(db, &id_dbt, &vcard_dbt, R_FIRST); - - while (db_error == 0) { - - /* don't include the version in the list of cards */ - if (id_dbt.size != strlen(PAS_BACKEND_FILE_VERSION_NAME + 1) - || strcmp (id_dbt.data, PAS_BACKEND_FILE_VERSION_NAME)) { - - cursor_data->elements = g_list_append(cursor_data->elements, - g_strdup(vcard_dbt.data)); - - } - - db_error = db->seq(db, &id_dbt, &vcard_dbt, R_NEXT); - - } - - 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_cursor (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_cursor: 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_get_book_view (PASBackend *backend, - PASBook *book, - PASRequest *req) -{ - PASBackendFile *bf = PAS_BACKEND_FILE (backend); - CORBA_Environment ev; - PASBookView *book_view; - Evolution_Book corba_book; - PASBackendFileBookView *view; - - g_return_if_fail (req->listener != NULL); - - 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_book_view: Exception reffing " - "corba book.\n"); - } - - CORBA_exception_free(&ev); - - book_view = pas_book_view_new (req->listener); - - gtk_signal_connect(GTK_OBJECT(book_view), "destroy", - GTK_SIGNAL_FUNC(view_destroy), book); - - pas_book_respond_get_book_view (book, - (book_view != NULL - ? Evolution_BookListener_Success - : Evolution_BookListener_CardNotFound /* XXX */), - book_view); - - view = g_new(PASBackendFileBookView, 1); - view->book_view = book_view; - view->search = g_strdup(req->search); - - bf->priv->book_views = g_list_prepend(bf->priv->book_views, view); - - pas_backend_file_search (bf, book, view); -} - -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 GetCursor: - pas_backend_file_process_get_cursor (backend, book, req); - break; - - case GetBookView: - pas_backend_file_process_get_book_view (backend, book, req); - break; - } - - g_free (req); -} - -static void -pas_backend_file_book_destroy_cb (PASBook *book, gpointer data) -{ - PASBackendFile *backend; - - backend = PAS_BACKEND_FILE (data); - - 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_strdup (vcard_dbt.data); - } - 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_strdup (version_dbt.data); - } - 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 gboolean -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); - - g_free (filename); - - 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? */ - - bf->priv->uri = g_strdup (uri); - } else { - GList *l; - - for (l = bf->priv->clients; l; l = l->next) { - PASBook *book; - - book = PAS_BOOK (l->data); - pas_book_respond_open (book, Evolution_BookListener_OtherError); - } - - return FALSE; - } - - return TRUE; -} - -/* Get_uri handler for the addressbook file backend */ -static const char * -pas_backend_file_get_uri (PASBackend *backend) -{ - PASBackendFile *bf; - - bf = PAS_BACKEND_FILE (backend); - - g_return_val_if_fail (bf->priv->loaded, NULL); - g_assert (bf->priv->uri != NULL); - - return bf->priv->uri; -} - -static gboolean -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); - - if (!book) { - if (!bf->priv->clients) - pas_backend_last_client_gone (backend); - - return FALSE; - } - - gtk_signal_connect (GTK_OBJECT (book), "destroy", - pas_backend_file_book_destroy_cb, backend); - - 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); - } - - return TRUE; -} - -static void -pas_backend_file_remove_client (PASBackend *backend, - PASBook *book) -{ - PASBackendFile *bf; - GList *l; - PASBook *lbook; - - g_return_if_fail (backend != NULL); - g_return_if_fail (PAS_IS_BACKEND_FILE (backend)); - g_return_if_fail (book != NULL); - g_return_if_fail (PAS_IS_BOOK (book)); - - bf = PAS_BACKEND_FILE (backend); - - /* Find the book in the list of clients */ - - for (l = bf->priv->clients; l; l = l->next) { - lbook = PAS_BOOK (l->data); - - if (lbook == book) - break; - } - - g_assert (l != NULL); - - /* Disconnect */ - - bf->priv->clients = g_list_remove_link (bf->priv->clients, l); - g_list_free_1 (l); - - /* When all clients go away, notify the parent factory about it so that - * it may decide whether to kill the backend or not. - */ - if (!bf->priv->clients) - pas_backend_last_client_gone (backend); -} - -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) -{ - PASBackendFile *bf; - - bf = PAS_BACKEND_FILE (object); - - if (bf->priv->uri) { - g_free (bf->priv->uri); - bf->priv->uri = NULL; - } - - 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->get_uri = pas_backend_file_get_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; - priv->book_views = 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; -} |