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path: root/erts/emulator/drivers/common/inet_drv.c
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Diffstat (limited to 'erts/emulator/drivers/common/inet_drv.c')
-rw-r--r--erts/emulator/drivers/common/inet_drv.c165
1 files changed, 117 insertions, 48 deletions
diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c
index 3210ffa92a..236b8710fb 100644
--- a/erts/emulator/drivers/common/inet_drv.c
+++ b/erts/emulator/drivers/common/inet_drv.c
@@ -678,6 +678,8 @@ static int my_strncasecmp(const char *s1, const char *s2, size_t n)
#define INET_LOPT_UDP_READ_PACKETS 33 /* Number of packets to read */
#define INET_OPT_RAW 34 /* Raw socket options */
#define INET_LOPT_TCP_SEND_TIMEOUT_CLOSE 35 /* auto-close on send timeout or not */
+#define INET_LOPT_TCP_MSGQ_HIWTRMRK 36 /* set local high watermark */
+#define INET_LOPT_TCP_MSGQ_LOWTRMRK 37 /* set local low watermark */
/* SCTP options: a separate range, from 100: */
#define SCTP_OPT_RTOINFO 100
#define SCTP_OPT_ASSOCINFO 101
@@ -788,6 +790,8 @@ static int my_strncasecmp(const char *s1, const char *s2, size_t n)
#define INET_HIGH_WATERMARK (1024*8) /* 8k pending high => busy */
#define INET_LOW_WATERMARK (1024*4) /* 4k pending => allow more */
+#define INET_HIGH_MSGQ_WATERMARK (1024*8) /* 8k pending high => busy */
+#define INET_LOW_MSGQ_WATERMARK (1024*4) /* 4k pending => allow more */
#define INET_INFINITY 0xffffffff /* infinity value */
@@ -879,7 +883,7 @@ typedef struct subs_list_ {
#define NO_PROCESS 0
#define NO_SUBSCRIBERS(SLP) ((SLP)->subscriber == NO_PROCESS)
-static void send_to_subscribers(ErlDrvPort, subs_list *, int,
+static void send_to_subscribers(ErlDrvTermData, subs_list *, int,
ErlDrvTermData [], int);
static void free_subscribers(subs_list*);
static int save_subscriber(subs_list *, ErlDrvTermData);
@@ -1873,8 +1877,7 @@ static int deq_async(inet_descriptor* desc, int* ap, ErlDrvTermData* cp, int* rp
** {inet_async, Port, Ref, ok}
*/
static int
-send_async_ok(ErlDrvPort port, ErlDrvTermData Port, int Ref,
- ErlDrvTermData recipient)
+send_async_ok(ErlDrvTermData Port, int Ref,ErlDrvTermData recipient)
{
ErlDrvTermData spec[2*LOAD_ATOM_CNT + LOAD_PORT_CNT +
LOAD_INT_CNT + LOAD_TUPLE_CNT];
@@ -1888,14 +1891,14 @@ send_async_ok(ErlDrvPort port, ErlDrvTermData Port, int Ref,
ASSERT(i == sizeof(spec)/sizeof(*spec));
- return driver_send_term(port, recipient, spec, i);
+ return erl_drv_send_term(Port, recipient, spec, i);
}
/* send message:
** {inet_async, Port, Ref, {ok,Port2}}
*/
static int
-send_async_ok_port(ErlDrvPort port, ErlDrvTermData Port, int Ref,
+send_async_ok_port(ErlDrvTermData Port, int Ref,
ErlDrvTermData recipient, ErlDrvTermData Port2)
{
ErlDrvTermData spec[2*LOAD_ATOM_CNT + 2*LOAD_PORT_CNT +
@@ -1914,14 +1917,14 @@ send_async_ok_port(ErlDrvPort port, ErlDrvTermData Port, int Ref,
ASSERT(i == sizeof(spec)/sizeof(*spec));
- return driver_send_term(port, recipient, spec, i);
+ return erl_drv_send_term(Port, recipient, spec, i);
}
/* send message:
** {inet_async, Port, Ref, {error,Reason}}
*/
static int
-send_async_error(ErlDrvPort port, ErlDrvTermData Port, int Ref,
+send_async_error(ErlDrvTermData Port, int Ref,
ErlDrvTermData recipient, ErlDrvTermData Reason)
{
ErlDrvTermData spec[3*LOAD_ATOM_CNT + LOAD_PORT_CNT +
@@ -1939,7 +1942,7 @@ send_async_error(ErlDrvPort port, ErlDrvTermData Port, int Ref,
i = LOAD_TUPLE(spec, i, 4);
ASSERT(i == sizeof(spec)/sizeof(*spec));
DEBUGF(("send_async_error %ld %ld\r\n", recipient, Reason));
- return driver_send_term(port, recipient, spec, i);
+ return erl_drv_send_term(Port, recipient, spec, i);
}
@@ -1951,7 +1954,7 @@ static int async_ok(inet_descriptor* desc)
if (deq_async(desc, &aid, &caller, &req) < 0)
return -1;
- return send_async_ok(desc->port, desc->dport, aid, caller);
+ return send_async_ok(desc->dport, aid, caller);
}
static int async_ok_port(inet_descriptor* desc, ErlDrvTermData Port2)
@@ -1962,7 +1965,7 @@ static int async_ok_port(inet_descriptor* desc, ErlDrvTermData Port2)
if (deq_async(desc, &aid, &caller, &req) < 0)
return -1;
- return send_async_ok_port(desc->port, desc->dport, aid, caller, Port2);
+ return send_async_ok_port(desc->dport, aid, caller, Port2);
}
static int async_error_am(inet_descriptor* desc, ErlDrvTermData reason)
@@ -1973,8 +1976,7 @@ static int async_error_am(inet_descriptor* desc, ErlDrvTermData reason)
if (deq_async(desc, &aid, &caller, &req) < 0)
return -1;
- return send_async_error(desc->port, desc->dport, aid, caller,
- reason);
+ return send_async_error(desc->dport, aid, caller, reason);
}
/* dequeue all operations */
@@ -1985,8 +1987,7 @@ static int async_error_am_all(inet_descriptor* desc, ErlDrvTermData reason)
ErlDrvTermData caller;
while (deq_async(desc, &aid, &caller, &req) == 0) {
- send_async_error(desc->port, desc->dport, aid, caller,
- reason);
+ send_async_error(desc->dport, aid, caller, reason);
}
return 0;
}
@@ -2014,7 +2015,7 @@ static int inet_reply_ok(inet_descriptor* desc)
ASSERT(i == sizeof(spec)/sizeof(*spec));
desc->caller = 0;
- return driver_send_term(desc->port, caller, spec, i);
+ return erl_drv_send_term(desc->dport, caller, spec, i);
}
#ifdef HAVE_SCTP
@@ -2033,7 +2034,7 @@ static int inet_reply_ok_port(inet_descriptor* desc, ErlDrvTermData dport)
ASSERT(i == sizeof(spec)/sizeof(*spec));
desc->caller = 0;
- return driver_send_term(desc->port, caller, spec, i);
+ return erl_drv_send_term(desc->dport, caller, spec, i);
}
#endif
@@ -2056,7 +2057,7 @@ static int inet_reply_error_am(inet_descriptor* desc, ErlDrvTermData reason)
desc->caller = 0;
DEBUGF(("inet_reply_error_am %ld %ld\r\n", caller, reason));
- return driver_send_term(desc->port, caller, spec, i);
+ return erl_drv_send_term(desc->dport, caller, spec, i);
}
/* send:
@@ -2165,12 +2166,12 @@ static int http_response_inetdrv(void *arg, int major, int minor,
i = LOAD_TUPLE(spec, i, 2);
i = LOAD_TUPLE(spec, i, 4);
ASSERT(i<=27);
- return driver_send_term(desc->inet.port, caller, spec, i);
+ return erl_drv_send_term(desc->inet.dport, caller, spec, i);
}
else {
i = LOAD_TUPLE(spec, i, 3);
ASSERT(i<=27);
- return driver_output_term(desc->inet.port, spec, i);
+ return erl_drv_output_term(desc->inet.dport, spec, i);
}
}
@@ -2262,12 +2263,12 @@ http_request_inetdrv(void* arg, const http_atom_t* meth, const char* meth_ptr,
i = LOAD_TUPLE(spec, i, 2);
i = LOAD_TUPLE(spec, i, 4);
ASSERT(i <= 43);
- return driver_send_term(desc->inet.port, caller, spec, i);
+ return erl_drv_send_term(desc->inet.dport, caller, spec, i);
}
else {
i = LOAD_TUPLE(spec, i, 3);
ASSERT(i <= 43);
- return driver_output_term(desc->inet.port, spec, i);
+ return erl_drv_output_term(desc->inet.dport, spec, i);
}
}
@@ -2316,12 +2317,12 @@ http_header_inetdrv(void* arg, const http_atom_t* name, const char* name_ptr,
i = LOAD_TUPLE(spec, i, 2);
i = LOAD_TUPLE(spec, i, 4);
ASSERT(i <= 26);
- return driver_send_term(desc->inet.port, caller, spec, i);
+ return erl_drv_send_term(desc->inet.dport, caller, spec, i);
}
else {
i = LOAD_TUPLE(spec, i, 3);
ASSERT(i <= 26);
- return driver_output_term(desc->inet.port, spec, i);
+ return erl_drv_output_term(desc->inet.dport, spec, i);
}
}
@@ -2347,7 +2348,7 @@ static int http_eoh_inetdrv(void* arg)
i = LOAD_TUPLE(spec, i, 2);
i = LOAD_TUPLE(spec, i, 4);
ASSERT(i <= 14);
- return driver_send_term(desc->inet.port, caller, spec, i);
+ return erl_drv_send_term(desc->inet.dport, caller, spec, i);
}
else {
/* {http, S, http_eoh} */
@@ -2356,7 +2357,7 @@ static int http_eoh_inetdrv(void* arg)
i = LOAD_ATOM(spec, i, am_http_eoh);
i = LOAD_TUPLE(spec, i, 3);
ASSERT(i <= 14);
- return driver_output_term(desc->inet.port, spec, i);
+ return erl_drv_output_term(desc->inet.dport, spec, i);
}
}
@@ -2384,7 +2385,7 @@ static int http_error_inetdrv(void* arg, const char* buf, int len)
i = LOAD_TUPLE(spec, i, 2);
i = LOAD_TUPLE(spec, i, 4);
ASSERT(i <= 19);
- return driver_send_term(desc->inet.port, caller, spec, i);
+ return erl_drv_send_term(desc->inet.dport, caller, spec, i);
}
else {
/* {http, S, {http_error,Line} */
@@ -2395,7 +2396,7 @@ static int http_error_inetdrv(void* arg, const char* buf, int len)
i = LOAD_TUPLE(spec, i, 2);
i = LOAD_TUPLE(spec, i, 3);
ASSERT(i <= 19);
- return driver_output_term(desc->inet.port, spec, i);
+ return erl_drv_output_term(desc->inet.dport, spec, i);
}
}
@@ -2448,11 +2449,11 @@ int ssl_tls_inetdrv(void* arg, unsigned type, unsigned major, unsigned minor,
i = LOAD_TUPLE(spec, i, 2);
i = LOAD_TUPLE(spec, i, 4);
ASSERT(i <= 28);
- ret = driver_send_term(desc->inet.port, caller, spec, i);
+ ret = erl_drv_send_term(desc->inet.dport, caller, spec, i);
}
else {
ASSERT(i <= 28);
- ret = driver_output_term(desc->inet.port, spec, i);
+ ret = erl_drv_output_term(desc->inet.dport, spec, i);
}
done:
driver_free_binary(bin);
@@ -2502,7 +2503,7 @@ static int inet_async_data(inet_descriptor* desc, const char* buf, int len)
i = LOAD_TUPLE(spec, i, 4);
ASSERT(i == 15);
desc->caller = 0;
- return driver_send_term(desc->port, caller, spec, i);
+ return erl_drv_send_term(desc->dport, caller, spec, i);
}
else {
/* INET_MODE_BINARY => [H1,H2,...HSz | Binary] */
@@ -2516,7 +2517,7 @@ static int inet_async_data(inet_descriptor* desc, const char* buf, int len)
i = LOAD_TUPLE(spec, i, 4);
ASSERT(i <= 20);
desc->caller = 0;
- code = driver_send_term(desc->port, caller, spec, i);
+ code = erl_drv_send_term(desc->dport, caller, spec, i);
return code;
}
}
@@ -3109,7 +3110,7 @@ inet_async_binary_data
ASSERT(i <= PACKET_ERL_DRV_TERM_DATA_LEN);
desc->caller = 0;
- return driver_send_term(desc->port, caller, spec, i);
+ return erl_drv_send_term(desc->dport, caller, spec, i);
}
/*
@@ -3132,7 +3133,7 @@ static int tcp_message(inet_descriptor* desc, const char* buf, int len)
i = LOAD_STRING(spec, i, buf, len); /* => [H1,H2,...Hn] */
i = LOAD_TUPLE(spec, i, 3);
ASSERT(i <= 20);
- return driver_output_term(desc->port, spec, i);
+ return erl_drv_output_term(desc->dport, spec, i);
}
else {
/* INET_MODE_BINARY => [H1,H2,...HSz | Binary] */
@@ -3144,7 +3145,7 @@ static int tcp_message(inet_descriptor* desc, const char* buf, int len)
i = LOAD_STRING_CONS(spec, i, buf, hsz);
i = LOAD_TUPLE(spec, i, 3);
ASSERT(i <= 20);
- code = driver_output_term(desc->port, spec, i);
+ code = erl_drv_output_term(desc->dport, spec, i);
return code;
}
}
@@ -3179,7 +3180,7 @@ tcp_binary_message(inet_descriptor* desc, ErlDrvBinary* bin, int offs, int len)
}
i = LOAD_TUPLE(spec, i, 3);
ASSERT(i <= 20);
- return driver_output_term(desc->port, spec, i);
+ return erl_drv_output_term(desc->dport, spec, i);
}
/*
@@ -3198,7 +3199,7 @@ static int tcp_closed_message(tcp_descriptor* desc)
i = LOAD_PORT(spec, i, desc->inet.dport);
i = LOAD_TUPLE(spec, i, 2);
ASSERT(i <= 6);
- return driver_output_term(desc->inet.port, spec, i);
+ return erl_drv_output_term(desc->inet.dport, spec, i);
}
return 0;
}
@@ -3219,7 +3220,7 @@ static int tcp_error_message(tcp_descriptor* desc, int err)
i = LOAD_ATOM(spec, i, am_err);
i = LOAD_TUPLE(spec, i, 3);
ASSERT(i <= 8);
- return driver_output_term(desc->inet.port, spec, i);
+ return erl_drv_output_term(desc->inet.dport, spec, i);
}
/*
@@ -3310,7 +3311,7 @@ static int packet_binary_message
/* Close up the outer 5-tuple: */
i = LOAD_TUPLE(spec, i, 5);
ASSERT(i <= PACKET_ERL_DRV_TERM_DATA_LEN);
- return driver_output_term(desc->port, spec, i);
+ return erl_drv_output_term(desc->dport, spec, i);
}
/*
@@ -3337,7 +3338,7 @@ static int packet_error_message(udp_descriptor* udesc, int err)
i = LOAD_ATOM(spec, i, am_err);
i = LOAD_TUPLE(spec, i, 3);
ASSERT(i == sizeof(spec)/sizeof(*spec));
- return driver_output_term(desc->port, spec, i);
+ return erl_drv_output_term(desc->dport, spec, i);
}
@@ -5465,6 +5466,28 @@ static int inet_set_opts(inet_descriptor* desc, char* ptr, int len)
}
continue;
+ case INET_LOPT_TCP_MSGQ_HIWTRMRK:
+ if (desc->stype == SOCK_STREAM) {
+ ErlDrvSizeT high;
+ if (ival < ERL_DRV_BUSY_MSGQ_LIM_MIN
+ || ERL_DRV_BUSY_MSGQ_LIM_MAX < ival)
+ return -1;
+ high = (ErlDrvSizeT) ival;
+ erl_drv_busy_msgq_limits(desc->port, NULL, &high);
+ }
+ continue;
+
+ case INET_LOPT_TCP_MSGQ_LOWTRMRK:
+ if (desc->stype == SOCK_STREAM) {
+ ErlDrvSizeT low;
+ if (ival < ERL_DRV_BUSY_MSGQ_LIM_MIN
+ || ERL_DRV_BUSY_MSGQ_LIM_MAX < ival)
+ return -1;
+ low = (ErlDrvSizeT) ival;
+ erl_drv_busy_msgq_limits(desc->port, &low, NULL);
+ }
+ continue;
+
case INET_LOPT_TCP_SEND_TIMEOUT:
if (desc->stype == SOCK_STREAM) {
tcp_descriptor* tdesc = (tcp_descriptor*) desc;
@@ -6365,6 +6388,32 @@ static ErlDrvSSizeT inet_fill_opts(inet_descriptor* desc,
}
continue;
+ case INET_LOPT_TCP_MSGQ_HIWTRMRK:
+ if (desc->stype == SOCK_STREAM) {
+ ErlDrvSizeT high = ERL_DRV_BUSY_MSGQ_READ_ONLY;
+ *ptr++ = opt;
+ erl_drv_busy_msgq_limits(desc->port, NULL, &high);
+ ival = high > INT_MAX ? INT_MAX : (int) high;
+ put_int32(ival, ptr);
+ }
+ else {
+ TRUNCATE_TO(0,ptr);
+ }
+ continue;
+
+ case INET_LOPT_TCP_MSGQ_LOWTRMRK:
+ if (desc->stype == SOCK_STREAM) {
+ ErlDrvSizeT low = ERL_DRV_BUSY_MSGQ_READ_ONLY;
+ *ptr++ = opt;
+ erl_drv_busy_msgq_limits(desc->port, &low, NULL);
+ ival = low > INT_MAX ? INT_MAX : (int) low;
+ put_int32(ival, ptr);
+ }
+ else {
+ TRUNCATE_TO(0,ptr);
+ }
+ continue;
+
case INET_LOPT_TCP_SEND_TIMEOUT:
if (desc->stype == SOCK_STREAM) {
*ptr++ = opt;
@@ -7278,7 +7327,7 @@ static ErlDrvSSizeT sctp_fill_opts(inet_descriptor* desc,
i = LOAD_TUPLE(spec, i, 3);
/* Now, convert "spec" into the returnable term: */
- driver_send_term(desc->port, driver_caller(desc->port), spec, i);
+ erl_drv_send_term(desc->dport, driver_caller(desc->port), spec, i);
FREE(spec);
(*dest)[0] = INET_REP;
@@ -7360,7 +7409,7 @@ send_empty_out_q_msgs(inet_descriptor* desc)
ASSERT(msg_len == sizeof(msg)/sizeof(*msg));
- send_to_subscribers(desc->port,
+ send_to_subscribers(desc->dport,
&desc->empty_out_q_subs,
1,
msg,
@@ -8007,6 +8056,7 @@ static int tcp_inet_init(void)
static ErlDrvData tcp_inet_start(ErlDrvPort port, char* args)
{
+ ErlDrvSizeT q_low, q_high;
tcp_descriptor* desc;
DEBUGF(("tcp_inet_start(%ld) {\r\n", (long)port));
@@ -8016,6 +8066,17 @@ static ErlDrvData tcp_inet_start(ErlDrvPort port, char* args)
return ERL_DRV_ERROR_ERRNO;
desc->high = INET_HIGH_WATERMARK;
desc->low = INET_LOW_WATERMARK;
+ q_high = INET_HIGH_MSGQ_WATERMARK;
+ q_low = INET_LOW_MSGQ_WATERMARK;
+ if (q_low < ERL_DRV_BUSY_MSGQ_LIM_MIN)
+ q_low = ERL_DRV_BUSY_MSGQ_LIM_MIN;
+ else if (q_low > ERL_DRV_BUSY_MSGQ_LIM_MAX)
+ q_low = ERL_DRV_BUSY_MSGQ_LIM_MAX;
+ if (q_high < ERL_DRV_BUSY_MSGQ_LIM_MIN)
+ q_high = ERL_DRV_BUSY_MSGQ_LIM_MIN;
+ else if (q_high > ERL_DRV_BUSY_MSGQ_LIM_MAX)
+ q_high = ERL_DRV_BUSY_MSGQ_LIM_MAX;
+ erl_drv_busy_msgq_limits(port, &q_low, &q_high);
desc->send_timeout = INET_INFINITY;
desc->send_timeout_close = 0;
desc->busy_on_send = 0;
@@ -8039,6 +8100,7 @@ static ErlDrvData tcp_inet_start(ErlDrvPort port, char* args)
static tcp_descriptor* tcp_inet_copy(tcp_descriptor* desc,SOCKET s,
ErlDrvTermData owner, int* err)
{
+ ErlDrvSizeT q_low, q_high;
ErlDrvPort port = desc->inet.port;
tcp_descriptor* copy_desc;
@@ -8076,6 +8138,13 @@ static tcp_descriptor* tcp_inet_copy(tcp_descriptor* desc,SOCKET s,
FREE(copy_desc);
return NULL;
}
+
+ /* Read busy msgq limits of parent */
+ q_low = q_high = ERL_DRV_BUSY_MSGQ_READ_ONLY;
+ erl_drv_busy_msgq_limits(desc->inet.port, &q_low, &q_high);
+ /* Write same busy msgq limits to child */
+ erl_drv_busy_msgq_limits(port, &q_low, &q_high);
+
copy_desc->inet.port = port;
copy_desc->inet.dport = driver_mk_port(port);
*err = 0;
@@ -8108,7 +8177,7 @@ static void tcp_close_check(tcp_descriptor* desc)
desc->inet.state = INET_STATE_LISTENING;
while (deq_multi_op(desc,&id,&req,&caller,NULL,&monitor) == 0) {
driver_demonitor_process(desc->inet.port, &monitor);
- send_async_error(desc->inet.port, desc->inet.dport, id, caller, am_closed);
+ send_async_error(desc->inet.dport, id, caller, am_closed);
}
clean_multi_timers(&(desc->mtd), desc->inet.port);
}
@@ -8532,7 +8601,7 @@ static void tcp_inet_multi_timeout(ErlDrvData e, ErlDrvTermData caller)
sock_select(INETP(desc),FD_ACCEPT,0);
desc->inet.state = INET_STATE_LISTENING; /* restore state */
}
- send_async_error(desc->inet.port, desc->inet.dport, id, caller, am_timeout);
+ send_async_error(desc->inet.dport, id, caller, am_timeout);
}
@@ -9273,7 +9342,7 @@ static int tcp_inet_input(tcp_descriptor* desc, HANDLE event)
if (s == INVALID_SOCKET) { /* Not ERRNO_BLOCK, that's handled right away */
- ret = send_async_error(desc->inet.port, desc->inet.dport,
+ ret = send_async_error(desc->inet.dport,
id, caller, error_atom(sock_errno()));
goto done;
}
@@ -9283,7 +9352,7 @@ static int tcp_inet_input(tcp_descriptor* desc, HANDLE event)
if ((accept_desc = tcp_inet_copy(desc,s,caller,&err)) == NULL) {
sock_close(s);
- ret = send_async_error(desc->inet.port, desc->inet.dport,
+ ret = send_async_error(desc->inet.dport,
id, caller, error_atom(err));
goto done;
}
@@ -9294,7 +9363,7 @@ static int tcp_inet_input(tcp_descriptor* desc, HANDLE event)
ERL_DRV_READ, 1);
#endif
accept_desc->inet.state = INET_STATE_CONNECTED;
- ret = send_async_ok_port(desc->inet.port, desc->inet.dport,
+ ret = send_async_ok_port(desc->inet.dport,
id, caller, accept_desc->inet.dport);
}
}
@@ -10936,7 +11005,7 @@ subs_list *subs;
static void send_to_subscribers
(
- ErlDrvPort port,
+ ErlDrvTermData port,
subs_list *subs,
int free_subs,
ErlDrvTermData msg[],
@@ -10953,7 +11022,7 @@ static void send_to_subscribers
this = subs;
while(this) {
- (void) driver_send_term(port, this->subscriber, msg, msg_len);
+ (void) erl_drv_send_term(port, this->subscriber, msg, msg_len);
if(free_subs && !first) {
next = this->next;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-07 09:35:26 +0000