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+/*
+ * Unix SMB/CIFS implementation.
+ *
+ * Copyright (C) Stefan Metzmacher 2009
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _LIBCLI_UTIL_TSTREAM_H_
+#define _LIBCLI_UTIL_TSTREAM_H_
+
+/**
+ * @brief A helper function to read a full PDU from a stream
+ *
+ * This function is designed for simple PDUs and as compat layer
+ * for the Samba4 packet interface.
+ *
+ * tstream_readv_pdu_send() is a more powerful interface,
+ * which is part of the main (non samba specific) tsocket code.
+ *
+ * @param[in] mem_ctx The memory context for the result.
+ *
+ * @param[in] ev The event context the operation should work on.
+ *
+ * @param[in] stream The stream to read data from.
+ *
+ * @param[in] inital_read_size The initial byte count that is needed to workout
+ * the full pdu size.
+ *
+ * @param[in] full_fn The callback function that will report the size
+ * of the full pdu.
+ *
+ * @param[in] full_private The private data for the callback function.
+ *
+ * @return The async request handle. NULL on fatal error.
+ *
+ * @see tstream_read_pdu_blob_recv()
+ * @see tstream_readv_pdu_send()
+ * @see tstream_readv_pdu_queue_send()
+ *
+ */
+struct tevent_req *tstream_read_pdu_blob_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct tstream_context *stream,
+ size_t inital_read_size,
+ NTSTATUS (*full_fn)(void *private_data,
+ DATA_BLOB blob,
+ size_t *packet_size),
+ void *full_private);
+/**
+ * @brief Receive the result of the tstream_read_pdu_blob_send() call.
+ *
+ * @param[in] req The tevent request from tstream_read_pdu_blob_send().
+ *
+ * @param[in] mem_ctx The memory context for returned pdu DATA_BLOB.
+ *
+ * @param[in] pdu_blob The DATA_BLOB with the full pdu.
+ *
+ * @return The NTSTATUS result, NT_STATUS_OK on success
+ * and others on failure.
+ *
+ * @see tstream_read_pdu_blob_send()
+ */
+NTSTATUS tstream_read_pdu_blob_recv(struct tevent_req *req,
+ TALLOC_CTX *mem_ctx,
+ DATA_BLOB *pdu_blob);
+
+#endif /* _LIBCLI_UTIL_TSTREAM_H_ */