diff options
author | Wojtek Kosior <wk@koszkonutek-tmp.pl.eu.org> | 2021-04-30 00:33:56 +0200 |
---|---|---|
committer | Wojtek Kosior <wk@koszkonutek-tmp.pl.eu.org> | 2021-04-30 00:33:56 +0200 |
commit | aa4d426b4d3527d7e166df1a05058c9a4a0f6683 (patch) | |
tree | 4ff17ce8b89a2321b9d0ed4bcfc37c447bcb6820 /vmime-master/src/vmime/net/smtp/SMTPChunkingOutputStreamAdapter.cpp | |
download | smtps-and-pop3s-console-program-master.tar.gz smtps-and-pop3s-console-program-master.zip |
Diffstat (limited to 'vmime-master/src/vmime/net/smtp/SMTPChunkingOutputStreamAdapter.cpp')
-rw-r--r-- | vmime-master/src/vmime/net/smtp/SMTPChunkingOutputStreamAdapter.cpp | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/vmime-master/src/vmime/net/smtp/SMTPChunkingOutputStreamAdapter.cpp b/vmime-master/src/vmime/net/smtp/SMTPChunkingOutputStreamAdapter.cpp new file mode 100644 index 0000000..3b242d1 --- /dev/null +++ b/vmime-master/src/vmime/net/smtp/SMTPChunkingOutputStreamAdapter.cpp @@ -0,0 +1,180 @@ +// +// VMime library (http://www.vmime.org) +// Copyright (C) 2002 Vincent Richard <vincent@vmime.org> +// +// This program is free software; you can redistribute it and/or +// modify it under the terms of the GNU General Public License as +// published by the Free Software Foundation; either version 3 of +// the License, or (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this program; if not, write to the Free Software Foundation, Inc., +// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +// +// Linking this library statically or dynamically with other modules is making +// a combined work based on this library. Thus, the terms and conditions of +// the GNU General Public License cover the whole combination. +// + +#include "vmime/config.hpp" + + +#if VMIME_HAVE_MESSAGING_FEATURES && VMIME_HAVE_MESSAGING_PROTO_SMTP + + +#include "vmime/net/smtp/SMTPChunkingOutputStreamAdapter.hpp" + +#include "vmime/net/smtp/SMTPConnection.hpp" +#include "vmime/net/smtp/SMTPTransport.hpp" + +#include <algorithm> + + +namespace vmime { +namespace net { +namespace smtp { + + +SMTPChunkingOutputStreamAdapter::SMTPChunkingOutputStreamAdapter( + const shared_ptr <SMTPConnection>& conn, + const size_t size, + utility::progressListener* progress +) + : m_connection(conn), + m_bufferSize(0), + m_chunkCount(0), + m_totalSize(size), + m_totalSent(0), + m_progress(progress) { + + if (progress) { + progress->start(size); + } +} + + +void SMTPChunkingOutputStreamAdapter::sendChunk( + const byte_t* const data, + const size_t count, + const bool last +) { + + if (count == 0 && !last) { + // Nothing to send + return; + } + + // Send this chunk + m_connection->sendRequest(SMTPCommand::BDAT(count, last)); + m_connection->getSocket()->sendRaw(data, count); + + ++m_chunkCount; + + if (m_progress) { + + m_totalSent += count; + m_totalSize = std::max(m_totalSize, m_totalSent); + + m_progress->progress(m_totalSent, m_totalSize); + } + + if (m_connection->getTracer()) { + m_connection->getTracer()->traceSendBytes(count); + } + + // If PIPELINING is not supported, read one response for this BDAT command + if (!m_connection->hasExtension("PIPELINING")) { + + shared_ptr <SMTPResponse> resp = m_connection->readResponse(); + + if (resp->getCode() != 250) { + m_connection->getTransport()->disconnect(); + throw exceptions::command_error("BDAT", resp->getText()); + } + + // If PIPELINING is supported, read one response for each chunk (ie. number + // of BDAT commands issued) after the last chunk has been sent + } else if (last) { + + bool invalidReply = false; + shared_ptr <SMTPResponse> resp; + + for (unsigned int i = 0 ; i < m_chunkCount ; ++i) { + + resp = m_connection->readResponse(); + + if (resp->getCode() != 250) { + invalidReply = true; + } + } + + if (invalidReply) { + m_connection->getTransport()->disconnect(); + throw exceptions::command_error("BDAT", resp->getText()); + } + } +} + + +void SMTPChunkingOutputStreamAdapter::writeImpl( + const byte_t* const data, + const size_t count +) { + + const byte_t* curData = data; + size_t curCount = count; + + while (curCount != 0) { + + // Fill the buffer + const size_t remaining = sizeof(m_buffer) - m_bufferSize; + const size_t bytesToCopy = std::min(remaining, curCount); + + std::copy(curData, curData + bytesToCopy, m_buffer + m_bufferSize); + + m_bufferSize += bytesToCopy; + curData += bytesToCopy; + curCount -= bytesToCopy; + + // If the buffer is full, send this chunk + if (m_bufferSize >= sizeof(m_buffer)) { + + sendChunk(m_buffer, m_bufferSize, /* last */ false); + m_bufferSize = 0; + } + } +} + + +void SMTPChunkingOutputStreamAdapter::flush() { + + sendChunk(m_buffer, m_bufferSize, /* last */ true); + m_bufferSize = 0; + + if (m_progress) { + m_progress->stop(m_totalSize); + } + + if (m_connection->getTracer()) { + m_connection->getTracer()->traceSendBytes(m_bufferSize); + } +} + + +size_t SMTPChunkingOutputStreamAdapter::getBlockSize() { + + return sizeof(m_buffer); +} + + +} // smtp +} // net +} // vmime + + +#endif // VMIME_HAVE_MESSAGING_FEATURES && VMIME_HAVE_MESSAGING_PROTO_SMTP |