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fixup! Flock: now linker errors

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This commit is contained in:
Maria Matejka 2024-10-20 23:44:55 +02:00
parent bd9f68d739
commit d9ed03394d
1 changed files with 22 additions and 42 deletions
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64
flock/container.c
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@ -997,35 +997,27 @@ hypervisor_container_shutdown(struct cbor_channel *cch, struct flock_machine_con
birdloop_leave(hcf.loop);
}
struct ccs_parser_context {
struct cbor_parser_context *ctx;
struct container_fork_request_child {
CBOR_CHANNEL_EMBED(cch, 4);
u64 bytes_consumed;
u64 major_state;
};
#undef CBOR_PARSER_ERROR
#define CBOR_PARSER_ERROR bug
static struct ccs_parser_context ccx_, *ccx = &ccx_;
static void
hcf_parse(byte *buf, int size)
static enum cbor_parse_result
hcf_parse(struct cbor_channel *cch, enum cbor_parse_result res)
{
ASSERT_DIE(size > 0);
struct cbor_parser_context *ctx = ccx->ctx;
static struct flock_machine_container_config ccf;
SKIP_BACK_DECLARE(struct container_fork_request_child, ccx, cch, cch);
struct cbor_parser_context *ctx = &cch->stream->parser;
for (int pos = 0; pos < size; pos++)
switch (res)
{
switch (cbor_parse_byte(ctx, buf[pos]))
{
case CPR_ERROR:
bug("CBOR parser failure: %s", ctx->error);
case CPR_MORE:
continue;
CBOR_PARSER_ERROR("Invalid input");
case CPR_MAJOR:
/* Check type acceptance */
@ -1116,26 +1108,9 @@ hcf_parse(byte *buf, int size)
}
break;
case CPR_BLOCK_END:
bug("invalid parser state");
}
/* End of array or map */
while (cbor_parse_block_end(ctx))
{
case CPR_BLOCK_END:
switch (ccx->major_state)
{
/* Code to run at the end of the mapping */
case 0: /* toplevel item ended */
/* Reinit the parser */
ccx->major_state = 0;
ccx->bytes_consumed = 0;
cbor_parser_reset(ccx->ctx);
if (size > pos + 1)
hcf_parse(buf + pos + 1, size - pos - 1);
return;
case 1: /* the mapping ended */
if (!ccf.cf.name)
CBOR_PARSER_ERROR("Missing hostname");
@ -1149,15 +1124,14 @@ hcf_parse(byte *buf, int size)
container_start(&ccf);
ccx->major_state = 0;
break;
return CPR_BLOCK_END;
default:
bug("Unexpected state to end a mapping in");
}
}
}
ccx->bytes_consumed += size;
return CPR_MORE;
}
void
@ -1211,14 +1185,20 @@ hypervisor_container_fork(void)
this_thread_id |= 0xf000;
/* initialize the forker */
ccx->ctx = cbor_parser_new(&root_pool, 2);
byte buf[4096];
sock *sk = sk_new(&root_pool);
sk->type = SK_MAGIC;
sk->rbuf = sk->rpos = buf;
sk->rbsize = sizeof buf;
CBOR_STREAM_EMBED(s, 4) stream;
CBOR_STREAM_INIT(&stream, s, cch, &root_pool, struct container_fork_request_child);
cbor_stream_attach(&stream.s, sk);
stream.s.parse = hcf_parse;
while (true)
{
byte buf[4096];
ssize_t rx = read(fds[1], buf, sizeof buf);
times_update();
if (rx == 0)
@ -1230,6 +1210,6 @@ hypervisor_container_fork(void)
if (rx < 0)
bug("Container forker child: failed to read: %m");
hcf_parse(buf, rx);
sk->rx_hook(sk, rx);
}
}