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84 lines
2.3 KiB
C
84 lines
2.3 KiB
C
/*
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Unix SMB/CIFS implementation.
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Packet handling
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Copyright (C) Volker Lendecke 2007
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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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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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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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/*
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* A packet context is a wrapper around a bidirectional file descriptor,
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* hiding the handling of individual requests.
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*/
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struct packet_context;
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/*
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* Initialize a packet context. The fd is given to the packet context, meaning
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* that it is automatically closed when the packet context is freed.
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*/
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struct packet_context *packet_init(TALLOC_CTX *mem_ctx, int fd);
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/*
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* Pull data from the fd
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*/
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NTSTATUS packet_fd_read(struct packet_context *ctx);
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/*
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* Sync read, wait for the next chunk
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*/
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NTSTATUS packet_fd_read_sync(struct packet_context *ctx);
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/*
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* Handle an incoming packet:
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* Return False if none is available
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* Otherwise return True and store the callback result in *status
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*/
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BOOL packet_handler(struct packet_context *ctx,
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BOOL (*full_req)(const struct data_blob *data,
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size_t *length,
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void *private_data),
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NTSTATUS (*callback)(const struct data_blob *data,
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void *private_data),
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void *private_data,
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NTSTATUS *status);
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/*
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* How many bytes of outgoing data do we have pending?
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*/
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size_t packet_outgoing_bytes(struct packet_context *ctx);
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/*
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* Push data to the fd
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*/
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NTSTATUS packet_fd_write(struct packet_context *ctx);
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/*
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* Sync flush all outgoing bytes
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*/
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NTSTATUS packet_flush(struct packet_context *ctx);
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/*
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* Send a list of DATA_BLOBs
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*
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* Example: packet_send(ctx, 2, data_blob_const(&size, sizeof(size)),
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* data_blob_const(buf, size));
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*/
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NTSTATUS packet_send(struct packet_context *ctx, int num_blobs, ...);
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/*
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* Get the packet context's file descriptor
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*/
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int packet_get_fd(struct packet_context *ctx);
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