void spawner_new_c::setup_stream_(const options_class::redirect redirect, std_stream_type source_type, runner* this_runner) {
auto source_pipe = this_runner->get_pipe(source_type);
if (redirect.type == options_class::std) {
if (source_type == std_stream_input) {
get_std(std_stream_input, redirect.flags)->connect(source_pipe);
}
else {
source_pipe->connect(get_std(source_type, redirect.flags));
}
return;
}
PANIC_IF(redirect.type != options_class::pipe);
auto index = redirect.pipe_index;
auto stream = redirect.name;
PANIC_IF(index < 0 || index >= runners.size());
auto target_runner = runners[index];
multipipe_ptr target_pipe;
if (stream == "stdin") {
PANIC_IF(source_type == std_stream_input);
target_pipe = target_runner->get_pipe(std_stream_input, redirect.flags);
source_pipe->connect(target_pipe);
}
else if (stream == "stdout") {
PANIC_IF(source_type != std_stream_input);
target_pipe = target_runner->get_pipe(std_stream_output, redirect.flags);
target_pipe->connect(source_pipe);
}
else if (stream == "stderr") {
PANIC_IF(source_type != std_stream_input);
target_pipe = target_runner->get_pipe(std_stream_error, redirect.flags);
target_pipe->connect(source_pipe);
}
else {
PANIC("invalid stream name");
}
if (control_mode_enabled) {
if (source_type == std_stream_output) {
setup_stream_in_control_mode_(this_runner, source_pipe);
}
else if (stream == "stdout") {
setup_stream_in_control_mode_(target_runner, target_pipe);
}
}
}
void send_duration_info(int duration)
{
DurationMsg dmsg;
dmsg.duration = duration;
ppack(get_pipe(), CK_MSG_DURATION, (CheckMsg *) & dmsg);
}
void send_failure_info(const char *msg)
{
FailMsg fmsg;
fmsg.msg = (char *) msg;
ppack(fileno(get_pipe()), CK_MSG_FAIL, (CheckMsg *) &fmsg);
}
TestResult *
receive_test_result (int waserror)
{
FILE *fp;
RcvMsg *rmsg;
TestResult *result;
fp = get_pipe ();
if (fp == NULL) {
eprintf ("Error in call to get_pipe", __FILE__, __LINE__ - 2);
}
rewind (fp);
rmsg = punpack (fp);
if (rmsg == NULL) {
eprintf ("Error in call to punpack", __FILE__, __LINE__ - 4);
}
teardown_pipe ();
setup_pipe ();
result = construct_test_result (rmsg, waserror);
rcvmsg_free (rmsg);
return result;
}
void send_ctx_info(enum ck_result_ctx ctx)
{
CtxMsg cmsg;
cmsg.ctx = ctx;
ppack(fileno(get_pipe()), CK_MSG_CTX, (CheckMsg *) &cmsg);
}
void send_failure_info(const char *msg)
{
FailMsg fmsg;
fmsg.msg = strdup(msg);
ppack(get_pipe(), CK_MSG_FAIL, (CheckMsg *) & fmsg);
free(fmsg.msg);
}
void send_loc_info(const char * file, int line)
{
LocMsg lmsg;
lmsg.file = (char *) file;
lmsg.line = line;
ppack(fileno(get_pipe()), CK_MSG_LOC, (CheckMsg *) &lmsg);
}
void send_loc_info(const char *file, int line)
{
LocMsg lmsg;
lmsg.file = strdup(file);
lmsg.line = line;
ppack(get_pipe(), CK_MSG_LOC, (CheckMsg *) & lmsg);
free(lmsg.file);
}
bool http_response::get_body(string& out, const char* to_charset /* = NULL */)
{
if (header_ok_ == false)
{
logger_error("header not read yet");
return false;
}
else if (client_->body_length() == 0)
return true;
else if (client_->body_length() < 0)
{
const char* method = client_->request_method();
if (method && (strcmp(method, "GET") == 0
|| strcmp(method, "CONNECT") == 0))
{
return true;
}
logger_error("client request body length(%d) invalid",
(int) client_->body_length());
return false;
}
http_pipe* hp = get_pipe(to_charset);
if (hp)
{
pipe_string ps(out);
hp->append(&ps);
}
string buf;
int ret;
// 读 HTTP 请求体
while (true)
{
ret = client_->read_body(buf);
if (ret < 0)
{
close();
break;
}
else if (ret == 0)
break;
if (hp)
hp->update(buf.c_str(), ret);
else
out.append(buf);
}
if (hp)
{
hp->update_end();
delete hp;
}
return true;
}
/* pubid : recver; user = sender */
void *get_pipe_strict(char *pubid, USERS *user, acetables *g_ape)
{
transpipe *pipe = get_pipe(pubid, g_ape);
if (pipe != NULL && pipe->type == CHANNEL_PIPE && !isonchannel(user, pipe->pipe)) {
return NULL;
}
return pipe;
}
/* to manage subuser use post_to_pipe() instead */
void post_raw_pipe(RAW *raw, char *pipe, acetables *g_ape)
{
transpipe *spipe;
if ((spipe = get_pipe(pipe, g_ape)) != NULL) {
if (spipe->type == CHANNEL_PIPE) {
post_raw_channel(raw, spipe->pipe, g_ape);
} else {
post_raw(raw, spipe->pipe, g_ape);
}
}
}
USERS *seek_user_simple(const char *pubid, acetables *g_ape)
{
transpipe *gpipe;
gpipe = get_pipe(pubid, g_ape);
if (gpipe == NULL || gpipe->type != USER_PIPE) {
return NULL;
}
return gpipe->pipe;
}
CHANNEL *getchanbypubid(const char *pubid, acetables *g_ape)
{
transpipe *gpipe;
gpipe = get_pipe(pubid, g_ape);
if (gpipe == NULL || gpipe->type != CHANNEL_PIPE) {
return NULL;
}
return gpipe->pipe;
}
void spawner_new_c::process_agent_message_(const std::string& message, int agent_index) {
std::string mod_message = std::to_string(agent_index) + "#" + message;
auto runner = runners[agent_to_runner_index_(agent_index)];
runner->get_pipe(std_stream_output)->write(mod_message.c_str(), mod_message.size());
wait_agent_mutex_.lock();
if (awaited_agents_[agent_index - 1]) {
awaited_agents_[agent_index - 1] = false;
runner->suspend();
static_cast<secure_runner*>(runner)->prolong_time_limits();
} else {
// it hasn't been waited for, but sent a message. what do?
}
wait_agent_mutex_.unlock();
}
/* Post raw to a proxy and propagate it to all of it's attached users */
void proxy_post_raw(RAW *raw, ape_proxy *proxy, acetables *g_ape)
{
ape_proxy_pipe *to = proxy->to;
transpipe *pipe;
while (to != NULL) {
pipe = get_pipe(to->pipe, g_ape);
if (pipe != NULL && pipe->type == USER_PIPE) {
post_raw(raw, pipe->pipe, g_ape);
} else {
;//
}
to = to->next;
}
}
ape_proxy *proxy_are_linked(char *pubid, char *pubid_proxy, acetables *g_ape)
{
transpipe *pipe = get_pipe(pubid_proxy, g_ape);
struct _ape_proxy_pipe *ppipe;
if (pipe == NULL || pipe->type != PROXY_PIPE || ((ppipe = ((ape_proxy *)(pipe->pipe))->to) == NULL)) {
return NULL;
}
while (ppipe != NULL) {
if (strcmp(pubid, ppipe->pipe) == 0) {
return ((ape_proxy *)(pipe->pipe));
}
ppipe = ppipe->next;
}
return NULL;
}
void proxy_attach(ape_proxy *proxy, char *pipe, int allow_write, acetables *g_ape)
{
ape_proxy_pipe *to;
transpipe *gpipe;
if (proxy == NULL || ((gpipe = get_pipe(pipe, g_ape)) == NULL)) {
return;
}
to = xmalloc(sizeof(*to));
memcpy(to->pipe, gpipe->pubid, strlen(gpipe->pubid)+1);
to->allow_write = allow_write;
to->next = proxy->to;
proxy->to = to;
proxy->nlink++;
link_pipe(gpipe, proxy->pipe, proxy_detach);
}
/* Returns :
* -1 if splice is not possible or not possible anymore and we must switch to
* user-land copy (eg: to_forward reached)
* 0 when we know that polling is required to get more data (EAGAIN)
* 1 for all other cases (we can safely try again, or if an activity has been
* detected (DATA/NULL/ERR))
* Sets :
* BF_READ_NULL
* BF_READ_PARTIAL
* BF_WRITE_PARTIAL (during copy)
* BF_OUT_EMPTY (during copy)
* SI_FL_ERR
* SI_FL_WAIT_ROOM
* (SI_FL_WAIT_RECV)
*
* This function automatically allocates a pipe from the pipe pool. It also
* carefully ensures to clear b->pipe whenever it leaves the pipe empty.
*/
static int stream_sock_splice_in(struct buffer *b, struct stream_interface *si)
{
static int splice_detects_close;
int fd = si->fd;
int ret;
unsigned long max;
int retval = 1;
if (!b->to_forward)
return -1;
if (!(b->flags & BF_KERN_SPLICING))
return -1;
if (b->l) {
/* We're embarrassed, there are already data pending in
* the buffer and we don't want to have them at two
* locations at a time. Let's indicate we need some
* place and ask the consumer to hurry.
*/
si->flags |= SI_FL_WAIT_ROOM;
EV_FD_CLR(fd, DIR_RD);
b->rex = TICK_ETERNITY;
b->cons->chk_snd(b->cons);
return 1;
}
if (unlikely(b->pipe == NULL)) {
if (pipes_used >= global.maxpipes || !(b->pipe = get_pipe())) {
b->flags &= ~BF_KERN_SPLICING;
return -1;
}
}
/* At this point, b->pipe is valid */
while (1) {
if (b->to_forward == BUF_INFINITE_FORWARD)
max = MAX_SPLICE_AT_ONCE;
else
max = b->to_forward;
if (!max) {
/* It looks like the buffer + the pipe already contain
* the maximum amount of data to be transferred. Try to
* send those data immediately on the other side if it
* is currently waiting.
*/
retval = -1; /* end of forwarding */
break;
}
ret = splice(fd, NULL, b->pipe->prod, NULL, max,
SPLICE_F_MOVE|SPLICE_F_NONBLOCK);
if (ret <= 0) {
if (ret == 0) {
/* connection closed. This is only detected by
* recent kernels (>= 2.6.27.13). If we notice
* it works, we store the info for later use.
*/
splice_detects_close = 1;
b->flags |= BF_READ_NULL;
retval = 1; /* no need for further polling */
break;
}
if (errno == EAGAIN) {
/* there are two reasons for EAGAIN :
* - nothing in the socket buffer (standard)
* - pipe is full
* - the connection is closed (kernel < 2.6.27.13)
* Since we don't know if pipe is full, we'll
* stop if the pipe is not empty. Anyway, we
* will almost always fill/empty the pipe.
*/
if (b->pipe->data) {
si->flags |= SI_FL_WAIT_ROOM;
retval = 1;
break;
}
/* We don't know if the connection was closed,
* but if we know splice detects close, then we
* know it for sure.
* But if we're called upon POLLIN with an empty
* pipe and get EAGAIN, it is suspect enough to
* try to fall back to the normal recv scheme
* which will be able to deal with the situation.
*/
if (splice_detects_close)
retval = 0; /* we know for sure that it's EAGAIN */
else
retval = -1;
break;
}
if (errno == ENOSYS || errno == EINVAL) {
/* splice not supported on this end, disable it */
b->flags &= ~BF_KERN_SPLICING;
si->flags &= ~SI_FL_CAP_SPLICE;
put_pipe(b->pipe);
b->pipe = NULL;
return -1;
}
/* here we have another error */
si->flags |= SI_FL_ERR;
retval = 1;
break;
} /* ret <= 0 */
if (b->to_forward != BUF_INFINITE_FORWARD)
b->to_forward -= ret;
b->total += ret;
b->pipe->data += ret;
b->flags |= BF_READ_PARTIAL;
b->flags &= ~BF_OUT_EMPTY;
if (b->pipe->data >= SPLICE_FULL_HINT ||
ret >= global.tune.recv_enough) {
/* We've read enough of it for this time. */
retval = 1;
break;
}
} /* while */
if (unlikely(!b->pipe->data)) {
put_pipe(b->pipe);
b->pipe = NULL;
}
return retval;
}
std::shared_ptr<input_pipe_c> runner::get_input_pipe() {
return std::static_pointer_cast<input_pipe_c>(get_pipe(STD_INPUT_PIPE));
}
/*
* Find a file on file_list. Outputs return a FILE*, while inputs return FIN*.
*/
PTR
file_find(STRING * sval, int type)
{
PTR result = 0;
FILE_NODE *p;
FILE_NODE *q;
char *name = sval->str;
TRACE(("file_find(%s, %d)\n", name, type));
for (q = 0, p = file_list; p != 0; q = p, p = p->link) {
/* search is by name and type */
if (strcmp(name, p->name->str) == 0 &&
(p->type == type ||
/* no distinction between F_APPEND and F_TRUNC here */
(p->type >= F_APPEND && type >= F_APPEND))) {
if (q != 0) {
/* delete from list for move to front */
q->link = p->link;
}
break; /* while loop */
}
}
if (!p) {
/* open a new one */
p = alloc_filenode();
switch (p->type = (short) type) {
case F_TRUNC:
if (!(p->ptr = (PTR) tfopen(name, BinMode2("wb", "w"))))
output_failed(name);
break;
case F_APPEND:
if (!(p->ptr = (PTR) tfopen(name, BinMode2("ab", "a"))))
output_failed(name);
break;
case F_IN:
p->ptr = (PTR) FINopen(name, 0);
break;
case PIPE_OUT:
case PIPE_IN:
#if defined(HAVE_REAL_PIPES) || defined(HAVE_FAKE_PIPES)
if (!(p->ptr = get_pipe(name, type, &p->pid))) {
if (type == PIPE_OUT)
output_failed(name);
}
#else
rt_error("pipes not supported");
#endif
break;
#ifdef DEBUG
default:
bozo("bad file type");
#endif
}
} else if (p->ptr == 0 && type == F_IN) {
p->ptr = (PTR) FINopen(name, 0);
}
/* put p at the front of the list */
if (p->ptr == 0) {
free_filenode(p);
} else {
if (p != file_list) {
p->link = file_list;
file_list = p;
}
/* successful open */
p->name = sval;
sval->ref_cnt++;
TRACE(("-> %p\n", p->ptr));
result = p->ptr;
}
return result;
}
bool http_response::get_body(xml& out, const char* to_charset /* = NULL */)
{
if (header_ok_ == false)
{
logger_error("header not read yet");
return false;
} else if (client_->body_length() == 0)
return true;
else if (client_->body_length() < 0)
{
const char* method = client_->request_method();
if (method && (strcmp(method, "GET") == 0
|| strcmp(method, "CONNECT") == 0))
{
return true;
}
logger_error("client request body length(%d) invalid",
(int) client_->body_length());
return false;
}
if (debug_)
client_->print_header("----request---");
http_pipe* hp = get_pipe(to_charset);
if (hp)
hp->append(&out);
string buf;
int ret;
while (true)
{
// 循环读取客户端请求数据体
ret = client_->read_body(buf);
if (ret == 0)
break;
if (ret < 0)
{
logger_error("read client body error");
close();
return false;
}
// 流式分析 xml 格式的数据体
if (hp)
hp->update(buf.c_str(), ret);
else
out.update(buf.c_str());
if (debug_)
printf("%s", buf.c_str());
}
if (hp)
{
hp->update_end();
delete hp;
}
return true;
}
static void stub_recv_cmd_submit(struct stub_device *sdev, struct usbip_header *pdu)
{
int ret;
struct stub_priv *priv;
struct usbip_device *ud = &sdev->ud;
struct usb_device *udev = interface_to_usbdev(sdev->interface);
int pipe = get_pipe(sdev, pdu->base.ep, pdu->base.direction);
priv = stub_priv_alloc(sdev, pdu);
if (!priv)
return;
/* setup a urb */
if (usb_pipeisoc(pipe))
priv->urb = usb_alloc_urb(pdu->u.cmd_submit.number_of_packets, GFP_KERNEL);
else
priv->urb = usb_alloc_urb(0, GFP_KERNEL);
if (!priv->urb) {
uerr("malloc urb\n");
usbip_event_add(ud, SDEV_EVENT_ERROR_MALLOC);
return;
}
/* set priv->urb->transfer_buffer */
if (pdu->u.cmd_submit.transfer_buffer_length > 0) {
priv->urb->transfer_buffer =
kzalloc(pdu->u.cmd_submit.transfer_buffer_length, GFP_KERNEL);
if (!priv->urb->transfer_buffer) {
uerr("malloc x_buff\n");
usbip_event_add(ud, SDEV_EVENT_ERROR_MALLOC);
return;
}
}
/* set priv->urb->setup_packet */
priv->urb->setup_packet = kzalloc(8, GFP_KERNEL);
if (!priv->urb->setup_packet) {
uerr("allocate setup_packet\n");
usbip_event_add(ud, SDEV_EVENT_ERROR_MALLOC);
return;
}
memcpy(priv->urb->setup_packet, &pdu->u.cmd_submit.setup, 8);
/* set other members from the base header of pdu */
priv->urb->context = (void *) priv;
priv->urb->dev = udev;
priv->urb->pipe = pipe;
priv->urb->complete = stub_complete;
usbip_pack_pdu(pdu, priv->urb, USBIP_CMD_SUBMIT, 0);
if (usbip_recv_xbuff(ud, priv->urb) < 0)
return;
if (usbip_recv_iso(ud, priv->urb) < 0)
return;
/* no need to submit an intercepted request, but harmless? */
tweak_special_requests(priv->urb);
/* urb is now ready to submit */
ret = usb_submit_urb(priv->urb, GFP_KERNEL);
if (ret == 0)
dbg_stub_rx("submit urb ok, seqnum %u\n", pdu->base.seqnum);
else {
uerr("submit_urb error, %d\n", ret);
usbip_dump_header(pdu);
usbip_dump_urb(priv->urb);
/*
* Pessimistic.
* This connection will be discarded.
*/
usbip_event_add(ud, SDEV_EVENT_ERROR_SUBMIT);
}
dbg_stub_rx("Leave\n");
return;
}
std::shared_ptr<output_pipe_c> base_runner::get_output_pipe() {
return std::static_pointer_cast<output_pipe_c>(get_pipe(STD_INPUT_PIPE));
}
static int proc_err_get(lua_State *L)
{
lua_apr_proc *process = proc_check(L, 1);
return get_pipe(L, process->handle.err, "err_parent");
}
void render_all_pipes(GameData* data, DrawConfig* config){
for(int i=0; i < get_num_pipes(data); i++){
Pipe pipe = get_pipe(data,i);
render_pipe(data,config,&pipe);
}
}
/*
* This is the callback which is called by the connection layer to receive data
* into the buffer from the connection. It iterates over the transport layer's
* rcv_buf function.
*/
static void si_conn_recv_cb(struct connection *conn)
{
struct stream_interface *si = conn->owner;
struct channel *chn = si->ib;
int ret, max, cur_read;
int read_poll = MAX_READ_POLL_LOOPS;
/* stop immediately on errors. Note that we DON'T want to stop on
* POLL_ERR, as the poller might report a write error while there
* are still data available in the recv buffer. This typically
* happens when we send too large a request to a backend server
* which rejects it before reading it all.
*/
if (conn->flags & CO_FL_ERROR)
return;
/* stop here if we reached the end of data */
if (conn_data_read0_pending(conn))
goto out_shutdown_r;
/* maybe we were called immediately after an asynchronous shutr */
if (chn->flags & CF_SHUTR)
return;
cur_read = 0;
if ((chn->flags & (CF_STREAMER | CF_STREAMER_FAST)) && !chn->buf->o &&
global.tune.idle_timer &&
(unsigned short)(now_ms - chn->last_read) >= global.tune.idle_timer) {
/* The buffer was empty and nothing was transferred for more
* than one second. This was caused by a pause and not by
* congestion. Reset any streaming mode to reduce latency.
*/
chn->xfer_small = 0;
chn->xfer_large = 0;
chn->flags &= ~(CF_STREAMER | CF_STREAMER_FAST);
}
/* First, let's see if we may splice data across the channel without
* using a buffer.
*/
if (conn->xprt->rcv_pipe &&
(chn->pipe || chn->to_forward >= MIN_SPLICE_FORWARD) &&
chn->flags & CF_KERN_SPLICING) {
if (buffer_not_empty(chn->buf)) {
/* We're embarrassed, there are already data pending in
* the buffer and we don't want to have them at two
* locations at a time. Let's indicate we need some
* place and ask the consumer to hurry.
*/
goto abort_splice;
}
if (unlikely(chn->pipe == NULL)) {
if (pipes_used >= global.maxpipes || !(chn->pipe = get_pipe())) {
chn->flags &= ~CF_KERN_SPLICING;
goto abort_splice;
}
}
ret = conn->xprt->rcv_pipe(conn, chn->pipe, chn->to_forward);
if (ret < 0) {
/* splice not supported on this end, let's disable it */
chn->flags &= ~CF_KERN_SPLICING;
goto abort_splice;
}
if (ret > 0) {
if (chn->to_forward != CHN_INFINITE_FORWARD)
chn->to_forward -= ret;
chn->total += ret;
cur_read += ret;
chn->flags |= CF_READ_PARTIAL;
}
if (conn_data_read0_pending(conn))
goto out_shutdown_r;
if (conn->flags & CO_FL_ERROR)
return;
if (conn->flags & CO_FL_WAIT_ROOM) {
/* the pipe is full or we have read enough data that it
* could soon be full. Let's stop before needing to poll.
*/
si->flags |= SI_FL_WAIT_ROOM;
__conn_data_stop_recv(conn);
}
/* splice not possible (anymore), let's go on on standard copy */
}
abort_splice:
if (chn->pipe && unlikely(!chn->pipe->data)) {
put_pipe(chn->pipe);
chn->pipe = NULL;
}
/* Important note : if we're called with POLL_IN|POLL_HUP, it means the read polling
* was enabled, which implies that the recv buffer was not full. So we have a guarantee
* that if such an event is not handled above in splice, it will be handled here by
* recv().
*/
while (!(conn->flags & (CO_FL_ERROR | CO_FL_SOCK_RD_SH | CO_FL_DATA_RD_SH | CO_FL_WAIT_ROOM | CO_FL_HANDSHAKE))) {
max = bi_avail(chn);
if (!max) {
si->flags |= SI_FL_WAIT_ROOM;
break;
}
ret = conn->xprt->rcv_buf(conn, chn->buf, max);
if (ret <= 0)
break;
cur_read += ret;
/* if we're allowed to directly forward data, we must update ->o */
if (chn->to_forward && !(chn->flags & (CF_SHUTW|CF_SHUTW_NOW))) {
unsigned long fwd = ret;
if (chn->to_forward != CHN_INFINITE_FORWARD) {
if (fwd > chn->to_forward)
fwd = chn->to_forward;
chn->to_forward -= fwd;
}
b_adv(chn->buf, fwd);
}
chn->flags |= CF_READ_PARTIAL;
chn->total += ret;
if (channel_full(chn)) {
si->flags |= SI_FL_WAIT_ROOM;
break;
}
if ((chn->flags & CF_READ_DONTWAIT) || --read_poll <= 0) {
si->flags |= SI_FL_WAIT_ROOM;
__conn_data_stop_recv(conn);
break;
}
/* if too many bytes were missing from last read, it means that
* it's pointless trying to read again because the system does
* not have them in buffers.
*/
if (ret < max) {
/* if a streamer has read few data, it may be because we
* have exhausted system buffers. It's not worth trying
* again.
*/
if (chn->flags & CF_STREAMER)
break;
/* if we read a large block smaller than what we requested,
* it's almost certain we'll never get anything more.
*/
if (ret >= global.tune.recv_enough)
break;
}
} /* while !flags */
if (conn->flags & CO_FL_ERROR)
return;
if (cur_read) {
if ((chn->flags & (CF_STREAMER | CF_STREAMER_FAST)) &&
(cur_read <= chn->buf->size / 2)) {
chn->xfer_large = 0;
chn->xfer_small++;
if (chn->xfer_small >= 3) {
/* we have read less than half of the buffer in
* one pass, and this happened at least 3 times.
* This is definitely not a streamer.
*/
chn->flags &= ~(CF_STREAMER | CF_STREAMER_FAST);
}
else if (chn->xfer_small >= 2) {
/* if the buffer has been at least half full twice,
* we receive faster than we send, so at least it
* is not a "fast streamer".
*/
chn->flags &= ~CF_STREAMER_FAST;
}
}
else if (!(chn->flags & CF_STREAMER_FAST) &&
(cur_read >= chn->buf->size - global.tune.maxrewrite)) {
/* we read a full buffer at once */
chn->xfer_small = 0;
chn->xfer_large++;
if (chn->xfer_large >= 3) {
/* we call this buffer a fast streamer if it manages
* to be filled in one call 3 consecutive times.
*/
chn->flags |= (CF_STREAMER | CF_STREAMER_FAST);
}
}
else {
chn->xfer_small = 0;
chn->xfer_large = 0;
}
chn->last_read = now_ms;
}
if (conn_data_read0_pending(conn))
/* connection closed */
goto out_shutdown_r;
return;
out_shutdown_r:
/* we received a shutdown */
chn->flags |= CF_READ_NULL;
if (chn->flags & CF_AUTO_CLOSE)
channel_shutw_now(chn);
stream_sock_read0(si);
conn_data_read0(conn);
return;
}