internal unsafe bool AddMail(IMail mail,
FolderModel folderModel) {
byte[] rfc822Buffer = mail.Rfc822Buffer;
Debug.Assert(rfc822Buffer.Length > 0 &&
rfc822Buffer.Length <= GoogleEmailUploaderConfig.MaximumBatchSize);
bool canAdd = (
// If its multimail batch let it be almost default mail batch size
this.mailCount > 0 &&
this.MemoryStream.Length + rfc822Buffer.Length + 2048
<= GoogleEmailUploaderConfig.NormalBatchSize &&
this.mailCount < GoogleEmailUploaderConfig.MaximumMailsPerBatch
) || (
// If this mail is HUGE then its ok to be in singleton batch.
this.mailCount == 0 &&
rfc822Buffer.Length <=
GoogleEmailUploaderConfig.MaximumBatchSize);
if (!canAdd) {
return false;
}
this.batchXmlTextWriter.WriteStartElement(MailBatch.EntryElementName,
MailBatch.AtomNS);
{
// Add the category element to the feed.
this.batchXmlTextWriter.WriteStartElement("category",
MailBatch.AtomNS);
this.batchXmlTextWriter.WriteAttributeString("scheme",
MailBatch.GDataKindURI);
this.batchXmlTextWriter.WriteAttributeString("term",
MailBatch.AppsMailItemURI);
this.batchXmlTextWriter.WriteEndElement();
}
// Write out batchId
{
this.batchXmlTextWriter.WriteStartElement(MailBatch.IdElementName,
MailBatch.GDataBatchNS);
this.batchXmlTextWriter.WriteString(this.mailCount.ToString());
this.batchXmlTextWriter.WriteEndElement();
}
// Write out rfc822...
{
bool containsNonPrintASCII = false;
// This test is rough. utf8 is multi byte, so having the illegal xml
// byte need not mean its illegal xml. We could send every thing as
// base64. This just helps us to optimize saving bytes on the wire.
for (int i = 0; i < rfc822Buffer.Length; ++i) {
byte b = rfc822Buffer[i];
if (b >= 0x80 ||
!MailBatch.IsPrintableAscii[b]) {
containsNonPrintASCII = true;
break;
}
}
this.batchXmlTextWriter.WriteStartElement("rfc822Msg",
MailBatch.AppsNS);
if (containsNonPrintASCII) {
// If the rfc822 contains illegal xml chars then
// we use base64 encoding.
this.batchXmlTextWriter.WriteAttributeString("encoding",
"base64");
this.batchXmlTextWriter.WriteBase64(rfc822Buffer,
0,
rfc822Buffer.Length);
} else {
// Otherwise we embed the rfc as is.
string rfcString = Encoding.UTF8.GetString(rfc822Buffer);
this.batchXmlTextWriter.WriteString(rfcString);
}
this.batchXmlTextWriter.WriteEndElement();
}
// Write out mail item properties except IS_TRASH. We will not move
// anything to Trash folder as it automatically empties the Trash.
{
if (!mail.IsRead) {
this.batchXmlTextWriter.WriteStartElement("mailItemProperty",
MailBatch.AppsNS);
this.batchXmlTextWriter.WriteAttributeString("value",
"IS_UNREAD");
this.batchXmlTextWriter.WriteEndElement();
}
if (mail.IsStarred) {
this.batchXmlTextWriter.WriteStartElement("mailItemProperty",
MailBatch.AppsNS);
this.batchXmlTextWriter.WriteAttributeString("value",
"IS_STARRED");
this.batchXmlTextWriter.WriteEndElement();
}
if (MailBatch.IsAncestor(mail.Folder, FolderKind.Inbox) &&
!this.GoogleEmailUploaderModel.IsArchiveEverything) {
this.batchXmlTextWriter.WriteStartElement("mailItemProperty",
MailBatch.AppsNS);
this.batchXmlTextWriter.WriteAttributeString("value",
"IS_INBOX");
this.batchXmlTextWriter.WriteEndElement();
}
if (MailBatch.IsAncestor(mail.Folder, FolderKind.Sent)) {
this.batchXmlTextWriter.WriteStartElement("mailItemProperty",
MailBatch.AppsNS);
this.batchXmlTextWriter.WriteAttributeString("value",
"IS_SENT");
this.batchXmlTextWriter.WriteEndElement();
}
if (MailBatch.IsAncestor(mail.Folder, FolderKind.Draft)) {
this.batchXmlTextWriter.WriteStartElement("mailItemProperty",
MailBatch.AppsNS);
this.batchXmlTextWriter.WriteAttributeString("value",
"IS_DRAFT");
this.batchXmlTextWriter.WriteEndElement();
}
}
// Write out labels...
{
string[] labels = folderModel.Labels;
for (int i = 0; i < labels.Length; ++i) {
this.batchXmlTextWriter.WriteStartElement("label",
MailBatch.AppsNS);
this.batchXmlTextWriter.WriteAttributeString("labelName",
labels[i]);
this.batchXmlTextWriter.WriteEndElement();
}
}
this.batchXmlTextWriter.WriteEndElement();
this.mailCount++;
this.lastAddedFolderModel = folderModel;
MailBatchDatum batchData =
new MailBatchDatum(folderModel,
mail.MailId,
MailBatch.GetMailHeader(mail));
this.MailBatchData.Add(batchData);
return true;
}
internal void CreateTestBatch() {
this.MemoryStream.Position = 0;
this.MemoryStream.SetLength(0);
this.MailBatchData.Clear();
this.mailCount = 1;
byte[] uploadBuffer = new byte[MailBatch.UploadTestString.Length];
uploadBuffer = Encoding.UTF8.GetBytes(MailBatch.UploadTestString);
this.MemoryStream.Write(uploadBuffer,
0,
MailBatch.UploadTestString.Length);
MailBatchDatum batchData =
new MailBatchDatum(null,
String.Empty,
String.Empty);
this.MailBatchData.Add(batchData);
}
