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80 lines
2.5 KiB
C
80 lines
2.5 KiB
C
/*
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* Unix SMB/CIFS implementation.
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*
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* Copyright (C) Stefan Metzmacher 2009
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _LIBCLI_UTIL_TSTREAM_H_
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#define _LIBCLI_UTIL_TSTREAM_H_
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/**
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* @brief A helper function to read a full PDU from a stream
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*
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* This function is designed for simple PDUs and as compat layer
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* for the Samba4 packet interface.
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*
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* tstream_readv_pdu_send() is a more powerful interface,
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* which is part of the main (non samba specific) tsocket code.
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*
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* @param[in] mem_ctx The memory context for the result.
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*
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* @param[in] ev The event context the operation should work on.
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*
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* @param[in] stream The stream to read data from.
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*
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* @param[in] inital_read_size The initial byte count that is needed to workout
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* the full pdu size.
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*
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* @param[in] full_fn The callback function that will report the size
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* of the full pdu.
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*
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* @param[in] full_private The private data for the callback function.
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*
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* @return The async request handle. NULL on fatal error.
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*
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* @see tstream_read_pdu_blob_recv()
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* @see tstream_readv_pdu_send()
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* @see tstream_readv_pdu_queue_send()
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*
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*/
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struct tevent_req *tstream_read_pdu_blob_send(TALLOC_CTX *mem_ctx,
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struct tevent_context *ev,
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struct tstream_context *stream,
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size_t inital_read_size,
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NTSTATUS (*full_fn)(void *private_data,
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DATA_BLOB blob,
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size_t *packet_size),
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void *full_private);
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/**
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* @brief Receive the result of the tstream_read_pdu_blob_send() call.
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*
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* @param[in] req The tevent request from tstream_read_pdu_blob_send().
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*
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* @param[in] mem_ctx The memory context for returned pdu DATA_BLOB.
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*
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* @param[in] pdu_blob The DATA_BLOB with the full pdu.
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*
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* @return The NTSTATUS result, NT_STATUS_OK on success
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* and others on failure.
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*
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* @see tstream_read_pdu_blob_send()
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*/
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NTSTATUS tstream_read_pdu_blob_recv(struct tevent_req *req,
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TALLOC_CTX *mem_ctx,
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DATA_BLOB *pdu_blob);
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#endif /* _LIBCLI_UTIL_TSTREAM_H_ */
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