6e5cb299dd
Basically, `devtools/reduce-includes.sh */*.c`. Build time from make clean (RUST=0) (includes building external libs): Before: real 0m38.944000-40.416000(40.1131+/-0.4)s user 3m6.790000-17.159000(15.0571+/-2.8)s sys 0m35.304000-37.336000(36.8942+/-0.57)s After: real 0m37.872000-39.974000(39.5466+/-0.59)s user 3m1.211000-14.968000(12.4556+/-3.9)s sys 0m35.008000-36.830000(36.4143+/-0.5)s Build time after touch config.vars (RUST=0): Before: real 0m19.831000-21.862000(21.5528+/-0.58)s user 2m15.361000-30.731000(28.4798+/-4.4)s sys 0m21.056000-22.339000(22.0346+/-0.35)s After: real 0m18.384000-21.307000(20.8605+/-0.92)s user 2m5.585000-26.843000(23.6017+/-6.7)s sys 0m19.650000-22.003000(21.4943+/-0.69)s Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
#include "config.h"
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#include <common/ping.h>
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#include <wire/peer_wire.h>
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bool check_ping_make_pong(const tal_t *ctx, const u8 *ping, u8 **pong)
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{
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u16 num_pong_bytes;
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u8 *ignored;
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if (!fromwire_ping(ctx, ping, &num_pong_bytes, &ignored))
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return false;
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tal_free(ignored);
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/* BOLT #1:
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*
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* A node receiving a `ping` message:
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* - if `num_pong_bytes` is less than 65532:
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* - MUST respond by sending a `pong` message, with `byteslen` equal
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* to `num_pong_bytes`.
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* - otherwise (`num_pong_bytes` is **not** less than 65532):
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* - MUST ignore the `ping`.
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*/
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if (num_pong_bytes < 65532) {
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/* BOLT #1:
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*
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* A node sending a `pong` message:
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* - SHOULD set `ignored` to 0s.
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* - MUST NOT set `ignored` to sensitive data such as secrets
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* or portions of initialized memory.
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*/
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ignored = tal_arrz(ctx, u8, num_pong_bytes);
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*pong = towire_pong(ctx, ignored);
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tal_free(ignored);
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} else
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*pong = NULL;
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return true;
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}
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u8 *make_ping(const tal_t *ctx, u16 num_pong_bytes, u16 padlen)
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{
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/* BOLT #1:
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*
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* A node sending a `ping` message:
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* - SHOULD set `ignored` to 0s.
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* - MUST NOT set `ignored` to sensitive data such as secrets or
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* portions of initialized memory.
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*/
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u8 *ping, *ignored = tal_arrz(ctx, u8, padlen);
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ping = towire_ping(ctx, num_pong_bytes, ignored);
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tal_free(ignored);
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return ping;
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}
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