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Fix offset after EAGAIN if buffer is locked

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This commit is contained in:
ruti 2024-10-18 12:30:15 +03:00
parent a067afe6e4
commit 2240039377
3 changed files with 17 additions and 13 deletions
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3
desync.c
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@ -489,7 +489,7 @@ ssize_t desync(int sfd, char *buffer, size_t bfsize,
return -1;
}
#endif
long lp = offset;
long lp = 0;
struct part part;
int i = 0, r = 0;
@ -504,6 +504,7 @@ ssize_t desync(int sfd, char *buffer, size_t bfsize,
pos += part.s * (part.r - r);
if (!(part.flag & OFFSET_START) && offset && pos <= offset) {
LOG(LOG_S, "offset: %zd, skip\n", offset);
continue;
}
if (pos < 0 || pos > n || pos < lp) {

3
extend.c
View File

@ -166,6 +166,7 @@ static int reconnect(struct poolhd *pool, struct eval *val, int m)
client->attempt = m;
client->cache = 1;
client->buff.offset = 0;
client->round_sent = 0;
return 0;
}
@ -367,7 +368,7 @@ ssize_t tcp_send_hook(struct poolhd *pool, struct eval *remote,
int m = client->attempt;
LOG((m ? LOG_S : LOG_L), "desync params index: %d\n", m);
ssize_t offset = client->round_sent + client->buff.offset;
ssize_t offset = client->round_sent;
if (!offset && remote->round_count) offset = -1;
sn = desync(remote->fd, buffer, bfsize, n,

10
proxy.c
View File

@ -651,12 +651,12 @@ int on_tunnel(struct poolhd *pool, struct eval *val,
ssize_t sn = tcp_send_hook(pool, pair,
val->buff.data + val->buff.offset, n, n);
if (sn < n) {
if (sn < 0) {
uniperror("send");
return -1;
}
if (sn > 0)
val->round_sent += sn;
if (sn < n) {
val->buff.offset += sn;
return 0;
}
@ -692,12 +692,12 @@ int on_tunnel(struct poolhd *pool, struct eval *val,
}
ssize_t sn = tcp_send_hook(pool, pair, buffer, bfsize, n);
val->round_sent += sn > 0 ? sn : 0;
if (sn < n) {
if (sn < 0) {
uniperror("send");
return -1;
}
val->round_sent += sn;
if (sn < n) {
LOG(LOG_S, "send: %zd != %zd (fd: %d)\n", sn, n, pair->fd);
assert(val->buff.locked
|| !(val->buff.size || val->buff.offset));
@ -710,6 +710,8 @@ int on_tunnel(struct poolhd *pool, struct eval *val,
}
memcpy(val->buff.data, buffer + sn, n - sn);
}
else val->buff.offset += sn;
if (mod_etype(pool, val, 0) ||
mod_etype(pool, pair, POLLOUT)) {
uniperror("mod_etype");