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varnishcache
varnish-cache
Commits
856d5627
Commit
856d5627
authored
Mar 07, 2017
by
Poul-Henning Kamp
Browse files
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Plain Diff
The beginnings of a TX-scheduling facility.
parent
c14a8185
Changes
5
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Side-by-side
Showing
5 changed files
with
70 additions
and
12 deletions
+70
-12
cache_http2.h
bin/varnishd/http2/cache_http2.h
+11
-0
cache_http2_deliver.c
bin/varnishd/http2/cache_http2_deliver.c
+8
-0
cache_http2_proto.c
bin/varnishd/http2/cache_http2_proto.c
+8
-8
cache_http2_send.c
bin/varnishd/http2/cache_http2_send.c
+38
-2
cache_http2_session.c
bin/varnishd/http2/cache_http2_session.c
+5
-2
No files found.
bin/varnishd/http2/cache_http2.h
View file @
856d5627
...
@@ -122,6 +122,9 @@ struct h2_req {
...
@@ -122,6 +122,9 @@ struct h2_req {
VTAILQ_ENTRY
(
h2_req
)
list
;
VTAILQ_ENTRY
(
h2_req
)
list
;
int64_t
window
;
int64_t
window
;
struct
h2h_decode
*
decode
;
struct
h2h_decode
*
decode
;
struct
worker
*
tx_wrk
;
VTAILQ_ENTRY
(
h2_req
)
tx_list
;
};
};
VTAILQ_HEAD
(
h2_req_s
,
h2_req
);
VTAILQ_HEAD
(
h2_req_s
,
h2_req
);
...
@@ -158,6 +161,10 @@ struct h2_sess {
...
@@ -158,6 +161,10 @@ struct h2_sess {
struct
req
*
new_req
;
struct
req
*
new_req
;
int
go_away
;
int
go_away
;
uint32_t
go_away_last_stream
;
uint32_t
go_away_last_stream
;
VTAILQ_HEAD
(,
h2_req
)
txqueue
;
struct
h2_req
req0
[
1
];
};
};
/* http2/cache_http2_panic.c */
/* http2/cache_http2_panic.c */
...
@@ -191,6 +198,10 @@ h2_error h2h_decode_fini(const struct h2_sess *h2, struct h2h_decode *d);
...
@@ -191,6 +198,10 @@ h2_error h2h_decode_fini(const struct h2_sess *h2, struct h2h_decode *d);
h2_error
h2h_decode_bytes
(
struct
h2_sess
*
h2
,
struct
h2h_decode
*
d
,
h2_error
h2h_decode_bytes
(
struct
h2_sess
*
h2
,
struct
h2h_decode
*
d
,
const
uint8_t
*
ptr
,
size_t
len
);
const
uint8_t
*
ptr
,
size_t
len
);
/* cache_http2_send.c */
void
H2_Send_Get
(
struct
worker
*
,
struct
h2_sess
*
,
struct
h2_req
*
);
void
H2_Send_Rel
(
struct
worker
*
,
struct
h2_sess
*
,
struct
h2_req
*
);
h2_error
H2_Send_Frame
(
struct
worker
*
,
const
struct
h2_sess
*
,
h2_error
H2_Send_Frame
(
struct
worker
*
,
const
struct
h2_sess
*
,
h2_frame
type
,
uint8_t
flags
,
uint32_t
len
,
uint32_t
stream
,
h2_frame
type
,
uint8_t
flags
,
uint32_t
len
,
uint32_t
stream
,
const
void
*
);
const
void
*
);
...
...
bin/varnishd/http2/cache_http2_deliver.c
View file @
856d5627
...
@@ -85,8 +85,10 @@ h2_bytes(struct req *req, enum vdp_action act, void **priv,
...
@@ -85,8 +85,10 @@ h2_bytes(struct req *req, enum vdp_action act, void **priv,
return
(
0
);
return
(
0
);
AZ
(
req
->
vdp_nxt
);
/* always at the bottom of the pile */
AZ
(
req
->
vdp_nxt
);
/* always at the bottom of the pile */
H2_Send_Get
(
req
->
wrk
,
r2
->
h2sess
,
r2
);
H2_Send
(
req
->
wrk
,
r2
,
H2_Send
(
req
->
wrk
,
r2
,
act
==
VDP_FLUSH
?
1
:
0
,
H2_F_DATA
,
H2FF_NONE
,
len
,
ptr
);
act
==
VDP_FLUSH
?
1
:
0
,
H2_F_DATA
,
H2FF_NONE
,
len
,
ptr
);
H2_Send_Rel
(
req
->
wrk
,
r2
->
h2sess
,
r2
);
return
(
0
);
return
(
0
);
}
}
...
@@ -140,11 +142,13 @@ h2_minimal_response(struct req *req, uint16_t status)
...
@@ -140,11 +142,13 @@ h2_minimal_response(struct req *req, uint16_t status)
req
->
err_code
=
status
;
req
->
err_code
=
status
;
/* XXX return code checking once H2_Send returns anything but 0 */
/* XXX return code checking once H2_Send returns anything but 0 */
H2_Send_Get
(
req
->
wrk
,
r2
->
h2sess
,
r2
);
H2_Send
(
req
->
wrk
,
r2
,
1
,
H2_Send
(
req
->
wrk
,
r2
,
1
,
H2_F_HEADERS
,
H2_F_HEADERS
,
H2FF_HEADERS_END_HEADERS
|
H2FF_HEADERS_END_HEADERS
|
(
status
<
200
?
0
:
H2FF_HEADERS_END_STREAM
),
(
status
<
200
?
0
:
H2FF_HEADERS_END_STREAM
),
l
,
buf
);
l
,
buf
);
H2_Send_Rel
(
req
->
wrk
,
r2
->
h2sess
,
r2
);
return
(
0
);
return
(
0
);
}
}
...
@@ -240,8 +244,10 @@ h2_deliver(struct req *req, struct boc *boc, int sendbody)
...
@@ -240,8 +244,10 @@ h2_deliver(struct req *req, struct boc *boc, int sendbody)
sz
=
(
char
*
)
p
-
req
->
ws
->
f
;
sz
=
(
char
*
)
p
-
req
->
ws
->
f
;
/* XXX: Optimize !sendbody case */
/* XXX: Optimize !sendbody case */
H2_Send_Get
(
req
->
wrk
,
r2
->
h2sess
,
r2
);
H2_Send
(
req
->
wrk
,
r2
,
1
,
H2_F_HEADERS
,
H2FF_HEADERS_END_HEADERS
,
H2_Send
(
req
->
wrk
,
r2
,
1
,
H2_F_HEADERS
,
H2FF_HEADERS_END_HEADERS
,
sz
,
req
->
ws
->
f
);
sz
,
req
->
ws
->
f
);
H2_Send_Rel
(
req
->
wrk
,
r2
->
h2sess
,
r2
);
WS_Release
(
req
->
ws
,
0
);
WS_Release
(
req
->
ws
,
0
);
...
@@ -254,7 +260,9 @@ h2_deliver(struct req *req, struct boc *boc, int sendbody)
...
@@ -254,7 +260,9 @@ h2_deliver(struct req *req, struct boc *boc, int sendbody)
err
=
VDP_DeliverObj
(
req
);
err
=
VDP_DeliverObj
(
req
);
/*XXX*/
(
void
)
err
;
/*XXX*/
(
void
)
err
;
H2_Send_Get
(
req
->
wrk
,
r2
->
h2sess
,
r2
);
H2_Send
(
req
->
wrk
,
r2
,
1
,
H2_F_DATA
,
H2FF_DATA_END_STREAM
,
0
,
NULL
);
H2_Send
(
req
->
wrk
,
r2
,
1
,
H2_F_DATA
,
H2FF_DATA_END_STREAM
,
0
,
NULL
);
H2_Send_Rel
(
req
->
wrk
,
r2
->
h2sess
,
r2
);
AZ
(
req
->
wrk
->
v1l
);
AZ
(
req
->
wrk
->
v1l
);
VDP_close
(
req
);
VDP_close
(
req
);
...
...
bin/varnishd/http2/cache_http2_proto.c
View file @
856d5627
...
@@ -186,10 +186,10 @@ h2_rx_ping(struct worker *wrk, struct h2_sess *h2, struct h2_req *r2)
...
@@ -186,10 +186,10 @@ h2_rx_ping(struct worker *wrk, struct h2_sess *h2, struct h2_req *r2)
return
(
H2CE_PROTOCOL_ERROR
);
return
(
H2CE_PROTOCOL_ERROR
);
if
(
h2
->
rxf_flags
!=
0
)
// We never send pings
if
(
h2
->
rxf_flags
!=
0
)
// We never send pings
return
(
H2SE_PROTOCOL_ERROR
);
return
(
H2SE_PROTOCOL_ERROR
);
Lck_Lock
(
&
h2
->
sess
->
mtx
);
H2_Send_Get
(
wrk
,
h2
,
r2
);
H2_Send_Frame
(
wrk
,
h2
,
H2_Send_Frame
(
wrk
,
h2
,
H2_F_PING
,
H2FF_PING_ACK
,
8
,
0
,
h2
->
rxf_data
);
H2_F_PING
,
H2FF_PING_ACK
,
8
,
0
,
h2
->
rxf_data
);
Lck_Unlock
(
&
h2
->
sess
->
mtx
);
H2_Send_Rel
(
wrk
,
h2
,
r2
);
return
(
0
);
return
(
0
);
}
}
...
@@ -357,10 +357,10 @@ h2_rx_settings(struct worker *wrk, struct h2_sess *h2, struct h2_req *r2)
...
@@ -357,10 +357,10 @@ h2_rx_settings(struct worker *wrk, struct h2_sess *h2, struct h2_req *r2)
if
(
retval
)
if
(
retval
)
return
(
retval
);
return
(
retval
);
}
}
Lck_Lock
(
&
h2
->
sess
->
mtx
);
H2_Send_Get
(
wrk
,
h2
,
r2
);
H2_Send_Frame
(
wrk
,
h2
,
H2_Send_Frame
(
wrk
,
h2
,
H2_F_SETTINGS
,
H2FF_SETTINGS_ACK
,
0
,
0
,
NULL
);
H2_F_SETTINGS
,
H2FF_SETTINGS_ACK
,
0
,
0
,
NULL
);
Lck_Unlock
(
&
h2
->
sess
->
mtx
);
H2_Send_Rel
(
wrk
,
h2
,
r2
);
}
}
return
(
0
);
return
(
0
);
}
}
...
@@ -636,10 +636,10 @@ h2_procframe(struct worker *wrk, struct h2_sess *h2,
...
@@ -636,10 +636,10 @@ h2_procframe(struct worker *wrk, struct h2_sess *h2,
VSLb
(
h2
->
vsl
,
SLT_Debug
,
"H2: stream %u: %s"
,
h2
->
rxf_stream
,
h2e
->
txt
);
VSLb
(
h2
->
vsl
,
SLT_Debug
,
"H2: stream %u: %s"
,
h2
->
rxf_stream
,
h2e
->
txt
);
vbe32enc
(
b
,
h2e
->
val
);
vbe32enc
(
b
,
h2e
->
val
);
Lck_Lock
(
&
h2
->
sess
->
mtx
);
H2_Send_Get
(
wrk
,
h2
,
r2
);
(
void
)
H2_Send_Frame
(
wrk
,
h2
,
H2_F_RST_STREAM
,
(
void
)
H2_Send_Frame
(
wrk
,
h2
,
H2_F_RST_STREAM
,
0
,
sizeof
b
,
h2
->
rxf_stream
,
b
);
0
,
sizeof
b
,
h2
->
rxf_stream
,
b
);
Lck_Unlock
(
&
h2
->
sess
->
mtx
);
H2_Send_Rel
(
wrk
,
h2
,
r2
);
h2_del_req
(
wrk
,
r2
);
h2_del_req
(
wrk
,
r2
);
return
(
0
);
return
(
0
);
...
@@ -732,9 +732,9 @@ h2_rxframe(struct worker *wrk, struct h2_sess *h2)
...
@@ -732,9 +732,9 @@ h2_rxframe(struct worker *wrk, struct h2_sess *h2)
if
(
h2e
)
{
if
(
h2e
)
{
vbe32enc
(
b
,
h2
->
highest_stream
);
vbe32enc
(
b
,
h2
->
highest_stream
);
vbe32enc
(
b
+
4
,
h2e
->
val
);
vbe32enc
(
b
+
4
,
h2e
->
val
);
Lck_Lock
(
&
h2
->
sess
->
mtx
);
H2_Send_Get
(
wrk
,
h2
,
h2
->
req0
);
(
void
)
H2_Send_Frame
(
wrk
,
h2
,
H2_F_GOAWAY
,
0
,
8
,
0
,
b
);
(
void
)
H2_Send_Frame
(
wrk
,
h2
,
H2_F_GOAWAY
,
0
,
8
,
0
,
b
);
Lck_Unlock
(
&
h2
->
sess
->
mtx
);
H2_Send_Rel
(
wrk
,
h2
,
h2
->
req0
);
}
}
return
(
h2e
?
0
:
1
);
return
(
h2e
?
0
:
1
);
}
}
bin/varnishd/http2/cache_http2_send.c
View file @
856d5627
...
@@ -36,6 +36,36 @@
...
@@ -36,6 +36,36 @@
#include "vend.h"
#include "vend.h"
void
H2_Send_Get
(
struct
worker
*
wrk
,
struct
h2_sess
*
h2
,
struct
h2_req
*
r2
)
{
CHECK_OBJ_NOTNULL
(
wrk
,
WORKER_MAGIC
);
CHECK_OBJ_NOTNULL
(
h2
,
H2_SESS_MAGIC
);
CHECK_OBJ_NOTNULL
(
r2
,
H2_REQ_MAGIC
);
r2
->
tx_wrk
=
wrk
;
Lck_Lock
(
&
h2
->
sess
->
mtx
);
VTAILQ_INSERT_TAIL
(
&
h2
->
txqueue
,
r2
,
tx_list
);
while
(
VTAILQ_FIRST
(
&
h2
->
txqueue
)
!=
r2
)
Lck_CondWait
(
&
wrk
->
cond
,
&
h2
->
sess
->
mtx
,
0
);
Lck_Unlock
(
&
h2
->
sess
->
mtx
);
}
void
H2_Send_Rel
(
struct
worker
*
wrk
,
struct
h2_sess
*
h2
,
struct
h2_req
*
r2
)
{
CHECK_OBJ_NOTNULL
(
wrk
,
WORKER_MAGIC
);
CHECK_OBJ_NOTNULL
(
h2
,
H2_SESS_MAGIC
);
CHECK_OBJ_NOTNULL
(
r2
,
H2_REQ_MAGIC
);
Lck_Lock
(
&
h2
->
sess
->
mtx
);
assert
(
VTAILQ_FIRST
(
&
h2
->
txqueue
)
==
r2
);
VTAILQ_REMOVE
(
&
h2
->
txqueue
,
r2
,
tx_list
);
r2
=
VTAILQ_FIRST
(
&
h2
->
txqueue
);
if
(
r2
!=
NULL
)
AZ
(
pthread_cond_signal
(
&
r2
->
tx_wrk
->
cond
));
Lck_Unlock
(
&
h2
->
sess
->
mtx
);
}
static
void
static
void
h2_mk_hdr
(
uint8_t
*
hdr
,
h2_frame
ftyp
,
uint8_t
flags
,
h2_mk_hdr
(
uint8_t
*
hdr
,
h2_frame
ftyp
,
uint8_t
flags
,
uint32_t
len
,
uint32_t
stream
)
uint32_t
len
,
uint32_t
stream
)
...
@@ -64,7 +94,6 @@ H2_Send_Frame(struct worker *wrk, const struct h2_sess *h2,
...
@@ -64,7 +94,6 @@ H2_Send_Frame(struct worker *wrk, const struct h2_sess *h2,
ssize_t
s
;
ssize_t
s
;
(
void
)
wrk
;
(
void
)
wrk
;
Lck_AssertHeld
(
&
h2
->
sess
->
mtx
);
AN
(
ftyp
);
AN
(
ftyp
);
AZ
(
flags
&
~
(
ftyp
->
flags
));
AZ
(
flags
&
~
(
ftyp
->
flags
));
...
@@ -74,7 +103,9 @@ H2_Send_Frame(struct worker *wrk, const struct h2_sess *h2,
...
@@ -74,7 +103,9 @@ H2_Send_Frame(struct worker *wrk, const struct h2_sess *h2,
AZ
(
ftyp
->
act_snonzero
);
AZ
(
ftyp
->
act_snonzero
);
h2_mk_hdr
(
hdr
,
ftyp
,
flags
,
len
,
stream
);
h2_mk_hdr
(
hdr
,
ftyp
,
flags
,
len
,
stream
);
Lck_Lock
(
&
h2
->
sess
->
mtx
);
VSLb_bin
(
h2
->
vsl
,
SLT_H2TxHdr
,
9
,
hdr
);
VSLb_bin
(
h2
->
vsl
,
SLT_H2TxHdr
,
9
,
hdr
);
Lck_Unlock
(
&
h2
->
sess
->
mtx
);
s
=
write
(
h2
->
sess
->
fd
,
hdr
,
sizeof
hdr
);
s
=
write
(
h2
->
sess
->
fd
,
hdr
,
sizeof
hdr
);
if
(
s
!=
sizeof
hdr
)
if
(
s
!=
sizeof
hdr
)
...
@@ -83,7 +114,9 @@ H2_Send_Frame(struct worker *wrk, const struct h2_sess *h2,
...
@@ -83,7 +114,9 @@ H2_Send_Frame(struct worker *wrk, const struct h2_sess *h2,
s
=
write
(
h2
->
sess
->
fd
,
ptr
,
len
);
s
=
write
(
h2
->
sess
->
fd
,
ptr
,
len
);
if
(
s
!=
len
)
if
(
s
!=
len
)
return
(
H2CE_PROTOCOL_ERROR
);
// XXX Need private ?
return
(
H2CE_PROTOCOL_ERROR
);
// XXX Need private ?
Lck_Lock
(
&
h2
->
sess
->
mtx
);
VSLb_bin
(
h2
->
vsl
,
SLT_H2TxBody
,
len
,
ptr
);
VSLb_bin
(
h2
->
vsl
,
SLT_H2TxBody
,
len
,
ptr
);
Lck_Unlock
(
&
h2
->
sess
->
mtx
);
}
}
return
(
0
);
return
(
0
);
}
}
...
@@ -106,11 +139,14 @@ H2_Send(struct worker *wrk, struct h2_req *r2, int flush,
...
@@ -106,11 +139,14 @@ H2_Send(struct worker *wrk, struct h2_req *r2, int flush,
(
void
)
flush
;
(
void
)
flush
;
CHECK_OBJ_NOTNULL
(
wrk
,
WORKER_MAGIC
);
CHECK_OBJ_NOTNULL
(
r2
,
H2_REQ_MAGIC
);
CHECK_OBJ_NOTNULL
(
r2
,
H2_REQ_MAGIC
);
h2
=
r2
->
h2sess
;
h2
=
r2
->
h2sess
;
CHECK_OBJ_NOTNULL
(
h2
,
H2_SESS_MAGIC
);
CHECK_OBJ_NOTNULL
(
h2
,
H2_SESS_MAGIC
);
assert
(
len
==
0
||
ptr
!=
NULL
);
assert
(
len
==
0
||
ptr
!=
NULL
);
assert
(
VTAILQ_FIRST
(
&
h2
->
txqueue
)
==
r2
);
AN
(
ftyp
);
AN
(
ftyp
);
AZ
(
flags
&
~
(
ftyp
->
flags
));
AZ
(
flags
&
~
(
ftyp
->
flags
));
if
(
r2
->
stream
==
0
)
if
(
r2
->
stream
==
0
)
...
@@ -120,6 +156,7 @@ H2_Send(struct worker *wrk, struct h2_req *r2, int flush,
...
@@ -120,6 +156,7 @@ H2_Send(struct worker *wrk, struct h2_req *r2, int flush,
Lck_Lock
(
&
h2
->
sess
->
mtx
);
Lck_Lock
(
&
h2
->
sess
->
mtx
);
mfs
=
h2
->
remote_settings
.
max_frame_size
;
mfs
=
h2
->
remote_settings
.
max_frame_size
;
Lck_Unlock
(
&
h2
->
sess
->
mtx
);
if
(
len
<
mfs
)
{
if
(
len
<
mfs
)
{
retval
=
H2_Send_Frame
(
wrk
,
h2
,
retval
=
H2_Send_Frame
(
wrk
,
h2
,
ftyp
,
flags
,
len
,
r2
->
stream
,
ptr
);
ftyp
,
flags
,
len
,
r2
->
stream
,
ptr
);
...
@@ -145,6 +182,5 @@ H2_Send(struct worker *wrk, struct h2_req *r2, int flush,
...
@@ -145,6 +182,5 @@ H2_Send(struct worker *wrk, struct h2_req *r2, int flush,
ftyp
=
ftyp
->
continuation
;
ftyp
=
ftyp
->
continuation
;
}
while
(
len
>
0
&&
retval
==
0
);
}
while
(
len
>
0
&&
retval
==
0
);
}
}
Lck_Unlock
(
&
h2
->
sess
->
mtx
);
return
(
retval
);
return
(
retval
);
}
}
bin/varnishd/http2/cache_http2_session.c
View file @
856d5627
...
@@ -99,6 +99,7 @@ h2_new_sess(const struct worker *wrk, struct sess *sp, struct req *srq)
...
@@ -99,6 +99,7 @@ h2_new_sess(const struct worker *wrk, struct sess *sp, struct req *srq)
h2
->
htc
->
rfd
=
&
sp
->
fd
;
h2
->
htc
->
rfd
=
&
sp
->
fd
;
h2
->
sess
=
sp
;
h2
->
sess
=
sp
;
VTAILQ_INIT
(
&
h2
->
streams
);
VTAILQ_INIT
(
&
h2
->
streams
);
VTAILQ_INIT
(
&
h2
->
txqueue
);
h2
->
local_settings
=
H2_proto_settings
;
h2
->
local_settings
=
H2_proto_settings
;
h2
->
remote_settings
=
H2_proto_settings
;
h2
->
remote_settings
=
H2_proto_settings
;
...
@@ -108,6 +109,8 @@ h2_new_sess(const struct worker *wrk, struct sess *sp, struct req *srq)
...
@@ -108,6 +109,8 @@ h2_new_sess(const struct worker *wrk, struct sess *sp, struct req *srq)
SES_Reserve_xport_priv
(
sp
,
&
up
);
SES_Reserve_xport_priv
(
sp
,
&
up
);
*
up
=
(
uintptr_t
)
h2
;
*
up
=
(
uintptr_t
)
h2
;
INIT_OBJ
(
h2
->
req0
,
H2_REQ_MAGIC
);
h2
->
req0
->
h2sess
=
h2
;
}
}
AN
(
up
);
AN
(
up
);
CAST_OBJ_NOTNULL
(
h2
,
(
void
*
)(
*
up
),
H2_SESS_MAGIC
);
CAST_OBJ_NOTNULL
(
h2
,
(
void
*
)(
*
up
),
H2_SESS_MAGIC
);
...
@@ -333,13 +336,13 @@ h2_new_session(struct worker *wrk, void *arg)
...
@@ -333,13 +336,13 @@ h2_new_session(struct worker *wrk, void *arg)
THR_SetRequest
(
h2
->
srq
);
THR_SetRequest
(
h2
->
srq
);
Lck_Lock
(
&
h2
->
sess
->
mtx
);
H2_Send_Get
(
wrk
,
h2
,
h2
->
req0
);
H2_Send_Frame
(
wrk
,
h2
,
H2_Send_Frame
(
wrk
,
h2
,
H2_F_SETTINGS
,
H2FF_NONE
,
sizeof
H2_settings
,
0
,
H2_settings
);
H2_F_SETTINGS
,
H2FF_NONE
,
sizeof
H2_settings
,
0
,
H2_settings
);
H2_Send_Rel
(
wrk
,
h2
,
h2
->
req0
);
/* and off we go... */
/* and off we go... */
h2
->
cond
=
&
wrk
->
cond
;
h2
->
cond
=
&
wrk
->
cond
;
Lck_Unlock
(
&
h2
->
sess
->
mtx
);
while
(
h2_rxframe
(
wrk
,
h2
))
{
while
(
h2_rxframe
(
wrk
,
h2
))
{
WS_Reset
(
h2
->
ws
,
wsp
);
WS_Reset
(
h2
->
ws
,
wsp
);
...
...
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