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This commit is contained in:
Evan Hunt
2020-02-13 14:44:37 -08:00
parent 0255a97473
commit e851ed0bb5
669 changed files with 35995 additions and 42219 deletions
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84
lib/isc/netmgr/tcpdns.c
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@@ -37,15 +37,13 @@
* changed in the future.
*/
static void
dnslisten_readcb(isc_nmhandle_t *handle, isc_region_t *region, void *arg);
static void dnslisten_readcb(isc_nmhandle_t *handle, isc_region_t *region,
void *arg);
static void
resume_processing(void *arg);
static void resume_processing(void *arg);
static inline size_t
dnslen(unsigned char *base)
{
dnslen(unsigned char *base) {
return ((base[0] << 8) + (base[1]));
}
@@ -60,8 +58,7 @@ dnslen(unsigned char *base)
*/
#define NM_BIG_BUF (65535 + 2) * 2
static inline void
alloc_dnsbuf(isc_nmsocket_t *sock, size_t len)
{
alloc_dnsbuf(isc_nmsocket_t *sock, size_t len) {
REQUIRE(len <= NM_BIG_BUF);
if (sock->buf == NULL) {
@@ -78,8 +75,7 @@ alloc_dnsbuf(isc_nmsocket_t *sock, size_t len)
}
static void
timer_close_cb(uv_handle_t *handle)
{
timer_close_cb(uv_handle_t *handle) {
isc_nmsocket_t *sock = (isc_nmsocket_t *)uv_handle_get_data(handle);
INSIST(VALID_NMSOCK(sock));
atomic_store(&sock->closed, true);
@@ -87,8 +83,7 @@ timer_close_cb(uv_handle_t *handle)
}
static void
dnstcp_readtimeout(uv_timer_t *timer)
{
dnstcp_readtimeout(uv_timer_t *timer) {
isc_nmsocket_t *sock =
(isc_nmsocket_t *)uv_handle_get_data((uv_handle_t *)timer);
@@ -103,8 +98,7 @@ dnstcp_readtimeout(uv_timer_t *timer)
* Accept callback for TCP-DNS connection.
*/
static void
dnslisten_acceptcb(isc_nmhandle_t *handle, isc_result_t result, void *cbarg)
{
dnslisten_acceptcb(isc_nmhandle_t *handle, isc_result_t result, void *cbarg) {
isc_nmsocket_t *dnslistensock = (isc_nmsocket_t *)cbarg;
isc_nmsocket_t *dnssock = NULL;
@@ -154,8 +148,7 @@ dnslisten_acceptcb(isc_nmhandle_t *handle, isc_result_t result, void *cbarg)
* The caller will need to unreference the handle.
*/
static isc_result_t
processbuffer(isc_nmsocket_t *dnssock, isc_nmhandle_t **handlep)
{
processbuffer(isc_nmsocket_t *dnssock, isc_nmhandle_t **handlep) {
size_t len;
REQUIRE(VALID_NMSOCK(dnssock));
@@ -175,8 +168,8 @@ processbuffer(isc_nmsocket_t *dnssock, isc_nmhandle_t **handlep)
*/
len = dnslen(dnssock->buf);
if (len <= dnssock->buf_len - 2) {
isc_nmhandle_t *dnshandle =
isc__nmhandle_get(dnssock, NULL, NULL);
isc_nmhandle_t *dnshandle = isc__nmhandle_get(dnssock, NULL,
NULL);
isc_nmsocket_t *listener = dnssock->listener;
if (listener != NULL && listener->rcb.recv != NULL) {
@@ -206,12 +199,11 @@ processbuffer(isc_nmsocket_t *dnssock, isc_nmhandle_t **handlep)
* a complete DNS packet and, if so - call the callback
*/
static void
dnslisten_readcb(isc_nmhandle_t *handle, isc_region_t *region, void *arg)
{
dnslisten_readcb(isc_nmhandle_t *handle, isc_region_t *region, void *arg) {
isc_nmsocket_t *dnssock = (isc_nmsocket_t *)arg;
unsigned char * base = NULL;
bool done = false;
size_t len;
unsigned char *base = NULL;
bool done = false;
size_t len;
REQUIRE(VALID_NMSOCK(dnssock));
REQUIRE(VALID_NMHANDLE(handle));
@@ -237,7 +229,7 @@ dnslisten_readcb(isc_nmhandle_t *handle, isc_region_t *region, void *arg)
: dnssock->mgr->idle);
do {
isc_result_t result;
isc_result_t result;
isc_nmhandle_t *dnshandle = NULL;
result = processbuffer(dnssock, &dnshandle);
@@ -290,11 +282,10 @@ isc_result_t
isc_nm_listentcpdns(isc_nm_t *mgr, isc_nmiface_t *iface, isc_nm_recv_cb_t cb,
void *cbarg, isc_nm_cb_t accept_cb, void *accept_cbarg,
size_t extrahandlesize, int backlog, isc_quota_t *quota,
isc_nmsocket_t **sockp)
{
isc_nmsocket_t **sockp) {
/* A 'wrapper' socket object with outer set to true TCP socket */
isc_nmsocket_t *dnslistensock =
isc_mem_get(mgr->mctx, sizeof(*dnslistensock));
isc_nmsocket_t *dnslistensock = isc_mem_get(mgr->mctx,
sizeof(*dnslistensock));
isc_result_t result;
REQUIRE(VALID_NM(mgr));
@@ -322,8 +313,7 @@ isc_nm_listentcpdns(isc_nm_t *mgr, isc_nmiface_t *iface, isc_nm_recv_cb_t cb,
}
void
isc_nm_tcpdns_stoplistening(isc_nmsocket_t *sock)
{
isc_nm_tcpdns_stoplistening(isc_nmsocket_t *sock) {
REQUIRE(VALID_NMSOCK(sock));
REQUIRE(sock->type == isc_nm_tcpdnslistener);
@@ -339,8 +329,7 @@ isc_nm_tcpdns_stoplistening(isc_nmsocket_t *sock)
}
void
isc_nm_tcpdns_sequential(isc_nmhandle_t *handle)
{
isc_nm_tcpdns_sequential(isc_nmhandle_t *handle) {
REQUIRE(VALID_NMHANDLE(handle));
if (handle->sock->type != isc_nm_tcpdnssocket ||
@@ -361,8 +350,7 @@ isc_nm_tcpdns_sequential(isc_nmhandle_t *handle)
}
void
isc_nm_tcpdns_keepalive(isc_nmhandle_t *handle)
{
isc_nm_tcpdns_keepalive(isc_nmhandle_t *handle) {
REQUIRE(VALID_NMHANDLE(handle));
if (handle->sock->type != isc_nm_tcpdnssocket ||
@@ -375,19 +363,18 @@ isc_nm_tcpdns_keepalive(isc_nmhandle_t *handle)
}
typedef struct tcpsend {
isc_mem_t * mctx;
isc_mem_t *mctx;
isc_nmhandle_t *handle;
isc_region_t region;
isc_region_t region;
isc_nmhandle_t *orighandle;
isc_nm_cb_t cb;
void * cbarg;
isc_nm_cb_t cb;
void *cbarg;
} tcpsend_t;
static void
resume_processing(void *arg)
{
resume_processing(void *arg) {
isc_nmsocket_t *sock = (isc_nmsocket_t *)arg;
isc_result_t result;
isc_result_t result;
REQUIRE(VALID_NMSOCK(sock));
REQUIRE(sock->tid == isc_nm_tid());
@@ -448,8 +435,7 @@ resume_processing(void *arg)
}
static void
tcpdnssend_cb(isc_nmhandle_t *handle, isc_result_t result, void *cbarg)
{
tcpdnssend_cb(isc_nmhandle_t *handle, isc_result_t result, void *cbarg) {
tcpsend_t *ts = (tcpsend_t *)cbarg;
UNUSED(handle);
@@ -466,8 +452,7 @@ tcpdnssend_cb(isc_nmhandle_t *handle, isc_result_t result, void *cbarg)
*/
isc_result_t
isc__nm_tcpdns_send(isc_nmhandle_t *handle, isc_region_t *region,
isc_nm_cb_t cb, void *cbarg)
{
isc_nm_cb_t cb, void *cbarg) {
tcpsend_t *t = NULL;
REQUIRE(VALID_NMHANDLE(handle));
@@ -504,8 +489,7 @@ isc__nm_tcpdns_send(isc_nmhandle_t *handle, isc_region_t *region,
}
static void
tcpdns_close_direct(isc_nmsocket_t *sock)
{
tcpdns_close_direct(isc_nmsocket_t *sock) {
REQUIRE(sock->tid == isc_nm_tid());
if (sock->outer != NULL) {
sock->outer->rcb.recv = NULL;
@@ -523,8 +507,7 @@ tcpdns_close_direct(isc_nmsocket_t *sock)
}
void
isc__nm_tcpdns_close(isc_nmsocket_t *sock)
{
isc__nm_tcpdns_close(isc_nmsocket_t *sock) {
REQUIRE(VALID_NMSOCK(sock));
REQUIRE(sock->type == isc_nm_tcpdnssocket);
@@ -541,8 +524,7 @@ isc__nm_tcpdns_close(isc_nmsocket_t *sock)
}
void
isc__nm_async_tcpdnsclose(isc__networker_t *worker, isc__netievent_t *ev0)
{
isc__nm_async_tcpdnsclose(isc__networker_t *worker, isc__netievent_t *ev0) {
isc__netievent_tcpdnsclose_t *ievent =
(isc__netievent_tcpdnsclose_t *)ev0;