From 9e549686b23b6dffdcbd09c9b10dc2cb795fbcdf Mon Sep 17 00:00:00 2001
From: zautrix <zautrix>
Date: Fri, 18 Mar 2005 20:17:03 +0000
Subject: Initial revision

---
(limited to 'libetpan/src/driver/interface/mailstorage.c')

diff --git a/libetpan/src/driver/interface/mailstorage.c b/libetpan/src/driver/interface/mailstorage.c
new file mode 100644
index 0000000..2e2ddcb
--- a/dev/null
+++ b/libetpan/src/driver/interface/mailstorage.c
@@ -0,0 +1,341 @@
+/*
+ * libEtPan! -- a mail stuff library
+ *
+ * Copyright (C) 2001, 2005 - DINH Viet Hoa
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the libEtPan! project nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * $Id$
+ */
+
+#include "mailstorage.h"
+
+#include "maildriver.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+static int mailstorage_get_folder(struct mailstorage * storage,
+    char * pathname, mailsession ** result);
+
+struct mailfolder * mailfolder_new(struct mailstorage * storage,
+    char * pathname, char * virtual_name)
+{
+  struct mailfolder * folder;
+  
+  folder = malloc(sizeof(struct mailfolder));
+  if (folder == NULL)
+    goto err;
+
+  if (pathname != NULL) {
+    folder->fld_pathname = strdup(pathname);
+    if (folder->fld_pathname == NULL)
+      goto free;
+  }
+  else
+    folder->fld_pathname = NULL;
+  
+  if (virtual_name != NULL) {
+    folder->fld_virtual_name = strdup(virtual_name);
+    if (folder->fld_virtual_name == NULL)
+      goto free_pathname;
+  }
+  else
+    folder->fld_virtual_name = NULL;
+
+  folder->fld_storage = storage;
+
+  folder->fld_session = NULL;
+  folder->fld_shared_session = 0;
+  folder->fld_pos = NULL;
+
+  folder->fld_parent = NULL;
+  folder->fld_sibling_index = 0;
+  folder->fld_children = carray_new(128);
+  if (folder->fld_children == NULL)
+    goto free_virtualname;
+
+  return folder;
+
+free_virtualname:
+  if (folder->fld_virtual_name != NULL)
+    free(folder->fld_virtual_name);
+free_pathname:
+  if (folder->fld_pathname != NULL)
+    free(folder->fld_pathname);
+free:
+  free(folder);
+err:
+  return NULL;
+}
+
+void mailfolder_free(struct mailfolder * folder)
+{
+  if (folder->fld_parent != NULL)
+    mailfolder_detach_parent(folder);
+
+  while (carray_count(folder->fld_children) > 0) {
+    struct mailfolder * child;
+
+    child = carray_get(folder->fld_children, 0);
+    mailfolder_detach_parent(child);
+  }
+
+  carray_free(folder->fld_children);
+
+  if (folder->fld_session != NULL)
+    mailfolder_disconnect(folder);
+
+  if (folder->fld_virtual_name != NULL)
+    free(folder->fld_virtual_name);
+  if (folder->fld_pathname != NULL)
+    free(folder->fld_pathname);
+  free(folder);
+}
+
+int mailfolder_connect(struct mailfolder * folder)
+{
+  mailsession * session;
+  int res;
+  int r;
+  
+  if (folder->fld_storage == NULL) {
+    res = MAIL_ERROR_INVAL;
+    goto err;
+  }
+
+  if (folder->fld_storage->sto_session == NULL) {
+    r = mailstorage_connect(folder->fld_storage);
+    if (r != MAIL_NO_ERROR) {
+      res = r;
+      goto err;
+    }
+  }
+
+  if (folder->fld_session != NULL) {
+    if ((folder->fld_pathname != NULL) && (folder->fld_shared_session)) {
+      if (folder->fld_session->sess_driver->sess_select_folder != NULL) {
+        r = mailsession_select_folder(folder->fld_session,
+            folder->fld_pathname);
+        if (r != MAIL_NO_ERROR) {
+          res = r;
+          goto err;
+        }
+      }
+    }
+
+    return MAIL_NO_ERROR;
+  }
+  
+  r = mailstorage_get_folder(folder->fld_storage, folder->fld_pathname,
+      &session);
+  if (r != MAIL_NO_ERROR) {
+    res = r;
+    goto err;
+  }
+  folder->fld_session = session;
+  folder->fld_shared_session = (session == folder->fld_storage->sto_session);
+  if (folder->fld_shared_session) {
+    r = clist_append(folder->fld_storage->sto_shared_folders, folder);
+    if (r < 0) {
+      folder->fld_session = NULL;
+      res = MAIL_ERROR_MEMORY;
+      goto err;
+    }
+    folder->fld_pos = clist_end(folder->fld_storage->sto_shared_folders);
+  }
+
+  return MAIL_NO_ERROR;
+
+err:
+  return res;
+}
+
+void mailfolder_disconnect(struct mailfolder * folder)
+{
+  if (folder->fld_session == NULL)
+    return;
+
+  if (folder->fld_shared_session) {
+    clist_delete(folder->fld_storage->sto_shared_folders, folder->fld_pos);
+    folder->fld_pos = NULL;
+  }
+  else {
+    mailsession_logout(folder->fld_session);
+    mailsession_free(folder->fld_session);
+  }
+
+  folder->fld_session = NULL;
+}
+
+int mailfolder_add_child(struct mailfolder * parent,
+    struct mailfolder * child)
+{
+  unsigned int index;
+  int r;
+  
+  r = carray_add(parent->fld_children, child, &index);
+  if (r < 0)
+    return MAIL_ERROR_MEMORY;
+  
+  child->fld_sibling_index = index;
+  child->fld_parent = parent;
+
+  return MAIL_NO_ERROR;
+}
+
+int mailfolder_detach_parent(struct mailfolder * folder)
+{
+  unsigned int i;
+  int r;
+  
+  if (folder->fld_parent == NULL)
+    return MAIL_ERROR_INVAL;
+
+  r = carray_delete_slow(folder->fld_parent->fld_children,
+      folder->fld_sibling_index);
+  if (r < 0)
+    return MAIL_ERROR_INVAL;
+  
+  for(i = 0 ; i < carray_count(folder->fld_parent->fld_children) ; i ++) {
+    struct mailfolder * child;
+    
+    child = carray_get(folder->fld_parent->fld_children, i);
+    child->fld_sibling_index = i;
+  }
+
+  folder->fld_parent = NULL;
+  folder->fld_sibling_index = 0;
+
+  return MAIL_NO_ERROR;
+}
+
+struct mailstorage * mailstorage_new(char * sto_id)
+{
+  struct mailstorage * storage;
+
+  storage = malloc(sizeof(struct mailstorage));
+  if (storage == NULL)
+    goto err;
+
+  if (sto_id != NULL) {
+    storage->sto_id = strdup(sto_id);
+    if (storage->sto_id == NULL)
+      goto free;
+  }
+  else
+    storage->sto_id = NULL;
+
+  storage->sto_data = NULL;
+  storage->sto_session = NULL;
+  storage->sto_driver = NULL;
+  storage->sto_shared_folders = clist_new();
+  if (storage->sto_shared_folders == NULL)
+    goto free_id;
+
+  return storage;
+
+ free_id:
+  if (storage->sto_id != NULL)
+    free(storage->sto_id);
+ free:
+  free(storage);
+ err:
+  return NULL;
+}
+
+void mailstorage_free(struct mailstorage * storage)
+{
+  if (storage->sto_session != NULL)
+    mailstorage_disconnect(storage);
+  
+  if (storage->sto_driver != NULL) {
+    if (storage->sto_driver->sto_uninitialize != NULL)
+      storage->sto_driver->sto_uninitialize(storage);
+  }
+  
+  clist_free(storage->sto_shared_folders);
+
+  if (storage->sto_id != NULL)
+    free(storage->sto_id);
+  
+  free(storage);
+}
+
+int mailstorage_connect(struct mailstorage * storage)
+{
+  if (storage->sto_session != NULL)
+    return MAIL_NO_ERROR;
+
+  if (!clist_isempty(storage->sto_shared_folders))
+    return MAIL_ERROR_BAD_STATE;
+
+  if (storage->sto_driver->sto_connect == NULL)
+    return MAIL_ERROR_NOT_IMPLEMENTED;
+
+  return storage->sto_driver->sto_connect(storage);
+}
+
+
+void mailstorage_disconnect(struct mailstorage * storage)
+{
+  int r;
+  clistiter * cur;
+
+  while ((cur = clist_begin(storage->sto_shared_folders)) != NULL) {
+    struct mailfolder * folder;
+
+    folder = cur->data;
+    mailfolder_disconnect(folder);
+  }
+
+  if (storage->sto_session == NULL)
+    return;
+
+  r = mailsession_logout(storage->sto_session);
+
+  mailsession_free(storage->sto_session);
+  storage->sto_session = NULL;
+}
+
+
+int mailstorage_noop(struct mailstorage * storage)
+{
+  return mailsession_noop(storage->sto_session);
+}
+
+
+static int mailstorage_get_folder(struct mailstorage * storage,
+    char * pathname, mailsession ** result)
+{
+  if (storage->sto_driver->sto_get_folder_session == NULL)
+    return MAIL_ERROR_NOT_IMPLEMENTED;
+
+  return storage->sto_driver->sto_get_folder_session(storage,
+      pathname, result);
+}
--
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