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add flags to net_recv_queue() and net_send_queue(),.

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NETBUF_CALL_CB_ALWAYS flag, calls the registered cb everytime data has
been received or sent.
This commit is contained in:
Joris Vink 2013-05-02 00:28:49 +02:00
parent 3918a7a0a2
commit 5f983d575b
5 changed files with 28 additions and 21 deletions
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7
includes/kore.h
View File

@ -34,6 +34,7 @@ struct netbuf {
u_int32_t len;
u_int8_t type;
u_int8_t retain;
u_int8_t flags;
void *owner;
int (*cb)(struct netbuf *);
@ -57,6 +58,8 @@ struct listener {
#define CONN_READ_POSSIBLE 0x01
#define CONN_WRITE_POSSIBLE 0x02
#define NETBUF_CALL_CB_ALWAYS 0x01
struct connection {
int fd;
int state;
@ -120,11 +123,11 @@ int net_recv(struct connection *);
int net_send(struct connection *);
int net_send_flush(struct connection *);
int net_recv_flush(struct connection *);
int net_recv_queue(struct connection *, size_t,
int net_recv_queue(struct connection *, size_t, int,
struct netbuf **, int (*cb)(struct netbuf *));
int net_recv_expand(struct connection *c, struct netbuf *, size_t,
int (*cb)(struct netbuf *));
int net_send_queue(struct connection *, u_int8_t *, size_t,
int net_send_queue(struct connection *, u_int8_t *, size_t, int,
struct netbuf **, int (*cb)(struct netbuf *));
struct spdy_header_block *spdy_header_block_create(int);

4
src/http.c
View File

@ -130,14 +130,14 @@ http_response(struct http_request *req, int status, u_int8_t *d, u_int32_t len)
0, hlen, req->stream->stream_id))
return (KORE_RESULT_ERROR);
if (!net_send_queue(req->owner, htext, hlen, NULL, NULL))
if (!net_send_queue(req->owner, htext, hlen, 0, NULL, NULL))
return (KORE_RESULT_ERROR);
if (len > 0) {
if (!spdy_frame_send(req->owner, SPDY_DATA_FRAME,
0, len, req->stream->stream_id))
return (KORE_RESULT_ERROR);
if (!net_send_queue(req->owner, d, len, NULL, NULL))
if (!net_send_queue(req->owner, d, len, 0, NULL, NULL))
return (KORE_RESULT_ERROR);
}

2
src/kore.c
View File

@ -323,7 +323,7 @@ kore_connection_handle(struct connection *c, int flags)
if (!memcmp(data, "spdy/3", 6))
kore_log("using SPDY/3");
c->proto = CONN_PROTO_SPDY;
if (!net_recv_queue(c, SPDY_FRAME_SIZE,
if (!net_recv_queue(c, SPDY_FRAME_SIZE, 0,
NULL, spdy_frame_recv))
return (KORE_RESULT_ERROR);
} else {

22
src/net.c
View File

@ -38,7 +38,7 @@
#include "kore.h"
int
net_send_queue(struct connection *c, u_int8_t *data, size_t len,
net_send_queue(struct connection *c, u_int8_t *data, size_t len, int flags,
struct netbuf **out, int (*cb)(struct netbuf *))
{
struct netbuf *nb;
@ -51,6 +51,7 @@ net_send_queue(struct connection *c, u_int8_t *data, size_t len,
nb->owner = c;
nb->offset = 0;
nb->retain = 0;
nb->flags = flags;
nb->type = NETBUF_SEND;
if (len > 0) {
@ -68,7 +69,7 @@ net_send_queue(struct connection *c, u_int8_t *data, size_t len,
}
int
net_recv_queue(struct connection *c, size_t len,
net_recv_queue(struct connection *c, size_t len, int flags,
struct netbuf **out, int (*cb)(struct netbuf *))
{
struct netbuf *nb;
@ -81,6 +82,7 @@ net_recv_queue(struct connection *c, size_t len,
nb->owner = c;
nb->offset = 0;
nb->retain = 0;
nb->flags = flags;
nb->type = NETBUF_RECV;
nb->buf = (u_int8_t *)kore_malloc(nb->len);
@ -144,16 +146,19 @@ net_send(struct connection *c)
}
nb->offset += (size_t)r;
if (nb->offset == nb->len) {
TAILQ_REMOVE(&(c->send_queue), nb, list);
if (nb->offset == nb->len || (nb->flags & NETBUF_CALL_CB_ALWAYS)) {
if (nb->offset == nb->len)
TAILQ_REMOVE(&(c->send_queue), nb, list);
if (nb->cb != NULL)
r = nb->cb(nb);
else
r = KORE_RESULT_OK;
free(nb->buf);
free(nb);
if (nb->offset == nb->len) {
free(nb->buf);
free(nb);
}
} else {
r = KORE_RESULT_OK;
}
@ -202,14 +207,15 @@ net_recv(struct connection *c)
}
nb->offset += (size_t)r;
if (nb->offset == nb->len) {
if (nb->offset == nb->len || (nb->flags & NETBUF_CALL_CB_ALWAYS)) {
if (nb->cb == NULL) {
kore_log("kore_read_client(): nb->cb == NULL");
return (KORE_RESULT_ERROR);
}
nb->retain++;
TAILQ_REMOVE(&(c->recv_queue), nb, list);
if (nb->offset == nb->len)
TAILQ_REMOVE(&(c->recv_queue), nb, list);
r = nb->cb(nb);
nb->retain--;

14
src/spdy.c
View File

@ -100,8 +100,10 @@ spdy_frame_recv(struct netbuf *nb)
kore_log("received data frame, can't handle that yet.");
}
if (r == KORE_RESULT_OK)
r = net_recv_queue(c, SPDY_FRAME_SIZE, NULL, spdy_frame_recv);
if (r == KORE_RESULT_OK) {
r = net_recv_queue(c, SPDY_FRAME_SIZE,
0, NULL, spdy_frame_recv);
}
return (r);
}
@ -144,7 +146,7 @@ spdy_frame_send(struct connection *c, u_int16_t type, u_int8_t flags,
break;
}
return (net_send_queue(c, nb, length, NULL, NULL));
return (net_send_queue(c, nb, length, 0, NULL, NULL));
}
struct spdy_stream *
@ -238,7 +240,7 @@ spdy_header_block_release(struct connection *c,
int
spdy_stream_get_header(struct spdy_header_block *s, char *header, char **out)
{
char *cmp, t[128];
char *cmp;
u_int8_t *p, *end;
u_int32_t i, nlen, vlen;
@ -267,10 +269,6 @@ spdy_stream_get_header(struct spdy_header_block *s, char *header, char **out)
}
cmp = (char *)(p + 4);
memcpy(t, cmp, nlen);
t[nlen] = '\0';
kore_log("header %s", t);
if (!strncasecmp(cmp, header, nlen)) {
kore_log("found %s header", header);