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r15719@tombo: nickm | 2007-12-26 14:02:12 -0500

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More tweaks on 0-byte TLS writes.


svn:r12989
This commit is contained in:
Nick Mathewson 2007-12-26 19:02:15 +00:00
parent 80151b42df
commit 27220fb395
1 changed files with 15 additions and 7 deletions
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22
src/or/buffers.c
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@ -231,8 +231,9 @@ buf_shrink_freelists(int free_all)
int n_to_skip = freelists[i].cur_length - n_to_free;
chunk_t **chp = &freelists[i].head;
chunk_t *chunk;
log_notice(LD_MM, "FL for %d: keep %d, drop %d.",
(int)freelists[i].alloc_size, n_to_skip, n_to_free);
log_info(LD_MM, "Cleaning freelist for %d-byte chunks: keeping %d, "
"dropping %d.",
(int)freelists[i].alloc_size, n_to_skip, n_to_free);
while (n_to_skip) {
tor_assert((*chp)->next);
chp = &(*chp)->next;
@ -666,16 +667,23 @@ flush_chunk(int s, buf_t *buf, chunk_t *chunk, size_t sz,
static INLINE int
flush_chunk_tls(tor_tls_t *tls, buf_t *buf, chunk_t *chunk,
size_t sz, size_t *buf_flushlen)
size_t sz, size_t *buf_flushlen)
{
int r;
size_t forced;
char *data;
forced = tor_tls_get_forced_write_size(tls);
if (forced > sz)
sz = forced;
tor_assert(sz <= chunk->datalen);
r = tor_tls_write(tls, chunk->data, sz);
if (chunk) {
data = chunk->data;
tor_assert(sz <= chunk->datalen);
} else {
data = NULL;
tor_assert(sz == 0);
}
r = tor_tls_write(tls, data, sz);
if (r < 0)
return r;
if (*buf_flushlen > (size_t)r)
@ -742,7 +750,7 @@ flush_buf_tls(tor_tls_t *tls, buf_t *buf, size_t flushlen, size_t *buf_flushlen)
check_no_tls_errors();
check();
while (sz >= 0) {
do {
size_t flushlen0;
if (buf->head) {
if ((ssize_t)buf->head->datalen >= sz)
@ -759,7 +767,7 @@ flush_buf_tls(tor_tls_t *tls, buf_t *buf, size_t flushlen, size_t *buf_flushlen)
return r;
flushed += r;
sz -= r;
}
} while (sz > 0);
return flushed;
}