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40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
#ifndef LIGHTNING_WIRE_WIRE_IO_H
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#define LIGHTNING_WIRE_WIRE_IO_H
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#include "config.h"
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#include <ccan/endian/endian.h>
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#include <ccan/io/io.h>
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#include <ccan/short_types/short_types.h>
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/* We don't allow > 64M msgs: enough for 483 64k failure msgs. */
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#define WIRE_LEN_LIMIT (1 << 26)
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typedef be32 wire_len_t;
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#define wirelen_to_cpu be32_to_cpu
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#define cpu_to_wirelen cpu_to_be32
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/* Read message into *data, allocating off ctx. */
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struct io_plan *io_read_wire_(struct io_conn *conn,
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const tal_t *ctx,
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u8 **data,
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struct io_plan *(*next)(struct io_conn *, void *),
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void *next_arg);
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#define io_read_wire(conn, ctx, data, next, arg) \
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io_read_wire_((conn), (ctx), (data), \
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typesafe_cb_preargs(struct io_plan *, void *, \
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(next), (arg), struct io_conn *), \
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(arg))
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/* Write message from data (tal_count(data) gives length). data can be take() */
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struct io_plan *io_write_wire_(struct io_conn *conn,
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const u8 *data,
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struct io_plan *(*next)(struct io_conn *, void *),
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void *next_arg);
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#define io_write_wire(conn, data, next, arg) \
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io_write_wire_((conn), (data), \
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typesafe_cb_preargs(struct io_plan *, void *, \
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(next), (arg), struct io_conn *), \
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(arg))
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#endif /* LIGHTNING_WIRE_WIRE_IO_H */
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