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timeouts: change millisecond timeouts to timediff_t from time_t

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For millisecond timers we like timediff_t better. Also, time_t can be
unsigned so returning a negative value doesn't work then.

Closes #5479
This commit is contained in:
Daniel Stenberg 2020-05-29 00:08:03 +02:00
parent fc55c723c4
commit 842f73de58
No known key found for this signature in database
GPG Key ID: 5CC908FDB71E12C2
15 changed files with 45 additions and 54 deletions
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8
lib/asyn-thread.c
View File

@ -179,7 +179,7 @@ struct thread_sync_data {
struct thread_data { struct thread_data {
curl_thread_t thread_hnd; curl_thread_t thread_hnd;
unsigned int poll_interval; unsigned int poll_interval;
time_t interval_end; timediff_t interval_end;
struct thread_sync_data tsd; struct thread_sync_data tsd;
}; };
@ -622,7 +622,7 @@ CURLcode Curl_resolver_is_resolved(struct connectdata *conn,
else { else {
/* poll for name lookup done with exponential backoff up to 250ms */ /* poll for name lookup done with exponential backoff up to 250ms */
/* should be fine even if this converts to 32 bit */ /* should be fine even if this converts to 32 bit */
time_t elapsed = (time_t)Curl_timediff(Curl_now(), timediff_t elapsed = Curl_timediff(Curl_now(),
data->progress.t_startsingle); data->progress.t_startsingle);
if(elapsed < 0) if(elapsed < 0)
elapsed = 0; elapsed = 0;
@ -648,7 +648,7 @@ int Curl_resolver_getsock(struct connectdata *conn,
curl_socket_t *socks) curl_socket_t *socks)
{ {
int ret_val = 0; int ret_val = 0;
time_t milli; timediff_t milli;
timediff_t ms; timediff_t ms;
struct Curl_easy *data = conn->data; struct Curl_easy *data = conn->data;
struct resdata *reslv = (struct resdata *)data->state.resolver; struct resdata *reslv = (struct resdata *)data->state.resolver;
@ -672,7 +672,7 @@ int Curl_resolver_getsock(struct connectdata *conn,
if(ms < 3) if(ms < 3)
milli = 0; milli = 0;
else if(ms <= 50) else if(ms <= 50)
milli = (time_t)ms/3; milli = ms/3;
else if(ms <= 250) else if(ms <= 250)
milli = 50; milli = 50;
else else

6
lib/ftp.c
View File

@ -633,8 +633,8 @@ CURLcode Curl_GetFTPResponse(ssize_t *nreadp, /* return number of bytes read */
while(!*ftpcode && !result) { while(!*ftpcode && !result) {
/* check and reset timeout value every lap */ /* check and reset timeout value every lap */
time_t timeout = Curl_pp_state_timeout(pp, FALSE); timediff_t timeout = Curl_pp_state_timeout(pp, FALSE);
time_t interval_ms; timediff_t interval_ms;
if(timeout <= 0) { if(timeout <= 0) {
failf(data, "FTP response timeout"); failf(data, "FTP response timeout");
@ -3252,7 +3252,7 @@ static CURLcode ftp_done(struct connectdata *conn, CURLcode status,
* data has been transferred. This happens when doing through NATs etc that * data has been transferred. This happens when doing through NATs etc that
* abandon old silent connections. * abandon old silent connections.
*/ */
long old_time = pp->response_time; timediff_t old_time = pp->response_time;
pp->response_time = 60*1000; /* give it only a minute for now */ pp->response_time = 60*1000; /* give it only a minute for now */
pp->response = Curl_now(); /* timeout relative now */ pp->response = Curl_now(); /* timeout relative now */

18
lib/pingpong.c
View File

@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___ * | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____| * \___|\___/|_| \_\_____|
* *
* Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al. * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
* *
* This software is licensed as described in the file COPYING, which * This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms * you should have received as part of this distribution. The terms
@ -44,12 +44,12 @@
/* Returns timeout in ms. 0 or negative number means the timeout has already /* Returns timeout in ms. 0 or negative number means the timeout has already
triggered */ triggered */
time_t Curl_pp_state_timeout(struct pingpong *pp, bool disconnecting) timediff_t Curl_pp_state_timeout(struct pingpong *pp, bool disconnecting)
{ {
struct connectdata *conn = pp->conn; struct connectdata *conn = pp->conn;
struct Curl_easy *data = conn->data; struct Curl_easy *data = conn->data;
time_t timeout_ms; /* in milliseconds */ timediff_t timeout_ms; /* in milliseconds */
long response_time = (data->set.server_response_timeout)? timediff_t response_time = (data->set.server_response_timeout)?
data->set.server_response_timeout: pp->response_time; data->set.server_response_timeout: pp->response_time;
/* if CURLOPT_SERVER_RESPONSE_TIMEOUT is set, use that to determine /* if CURLOPT_SERVER_RESPONSE_TIMEOUT is set, use that to determine
@ -60,12 +60,12 @@ time_t Curl_pp_state_timeout(struct pingpong *pp, bool disconnecting)
/* Without a requested timeout, we only wait 'response_time' seconds for the /* Without a requested timeout, we only wait 'response_time' seconds for the
full response to arrive before we bail out */ full response to arrive before we bail out */
timeout_ms = response_time - timeout_ms = response_time -
(time_t)Curl_timediff(Curl_now(), pp->response); /* spent time */ Curl_timediff(Curl_now(), pp->response); /* spent time */
if(data->set.timeout && !disconnecting) { if(data->set.timeout && !disconnecting) {
/* if timeout is requested, find out how much remaining time we have */ /* if timeout is requested, find out how much remaining time we have */
time_t timeout2_ms = data->set.timeout - /* timeout time */ timediff_t timeout2_ms = data->set.timeout - /* timeout time */
(time_t)Curl_timediff(Curl_now(), conn->now); /* spent time */ Curl_timediff(Curl_now(), conn->now); /* spent time */
/* pick the lowest number */ /* pick the lowest number */
timeout_ms = CURLMIN(timeout_ms, timeout2_ms); timeout_ms = CURLMIN(timeout_ms, timeout2_ms);
@ -83,8 +83,8 @@ CURLcode Curl_pp_statemach(struct pingpong *pp, bool block,
struct connectdata *conn = pp->conn; struct connectdata *conn = pp->conn;
curl_socket_t sock = conn->sock[FIRSTSOCKET]; curl_socket_t sock = conn->sock[FIRSTSOCKET];
int rc; int rc;
time_t interval_ms; timediff_t interval_ms;
time_t timeout_ms = Curl_pp_state_timeout(pp, disconnecting); timediff_t timeout_ms = Curl_pp_state_timeout(pp, disconnecting);
struct Curl_easy *data = conn->data; struct Curl_easy *data = conn->data;
CURLcode result = CURLE_OK; CURLcode result = CURLE_OK;

7
lib/pingpong.h
View File

@ -7,7 +7,7 @@
* | (__| |_| | _ <| |___ * | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____| * \___|\___/|_| \_\_____|
* *
* Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al. * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
* *
* This software is licensed as described in the file COPYING, which * This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms * you should have received as part of this distribution. The terms
@ -60,9 +60,8 @@ struct pingpong {
size_t sendsize; /* total size of the sendthis buffer */ size_t sendsize; /* total size of the sendthis buffer */
struct curltime response; /* set to Curl_now() when a command has been sent struct curltime response; /* set to Curl_now() when a command has been sent
off, used to time-out response reading */ off, used to time-out response reading */
long response_time; /* When no timeout is given, this is the amount of timediff_t response_time; /* When no timeout is given, this is the amount of
milliseconds we await for a server response. */ milliseconds we await for a server response. */
struct connectdata *conn; /* points to the connectdata struct that this struct connectdata *conn; /* points to the connectdata struct that this
belongs to */ belongs to */
@ -89,7 +88,7 @@ void Curl_pp_init(struct pingpong *pp);
/* Returns timeout in ms. 0 or negative number means the timeout has already /* Returns timeout in ms. 0 or negative number means the timeout has already
triggered */ triggered */
time_t Curl_pp_state_timeout(struct pingpong *pp, bool disconnecting); timediff_t Curl_pp_state_timeout(struct pingpong *pp, bool disconnecting);
/*********************************************************************** /***********************************************************************

6
lib/progress.c
View File

@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___ * | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____| * \___|\___/|_| \_\_____|
* *
* Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al. * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
* *
* This software is licensed as described in the file COPYING, which * This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms * you should have received as part of this distribution. The terms
@ -282,9 +282,9 @@ timediff_t Curl_pgrsLimitWaitTime(curl_off_t cursize,
* stay below 'limit'. * stay below 'limit'.
*/ */
if(size < CURL_OFF_T_MAX/1000) if(size < CURL_OFF_T_MAX/1000)
minimum = (time_t) (CURL_OFF_T_C(1000) * size / limit); minimum = (timediff_t) (CURL_OFF_T_C(1000) * size / limit);
else { else {
minimum = (time_t) (size / limit); minimum = (timediff_t) (size / limit);
if(minimum < TIMEDIFF_T_MAX/1000) if(minimum < TIMEDIFF_T_MAX/1000)
minimum *= 1000; minimum *= 1000;
else else

2
lib/vssh/libssh2.c
View File

@ -2969,7 +2969,7 @@ static CURLcode ssh_block_statemach(struct connectdata *conn,
fd_write = sock; fd_write = sock;
/* wait for the socket to become ready */ /* wait for the socket to become ready */
(void)Curl_socket_check(fd_read, CURL_SOCKET_BAD, fd_write, (void)Curl_socket_check(fd_read, CURL_SOCKET_BAD, fd_write,
left>1000?1000:(time_t)left); left>1000?1000:left);
} }
#endif #endif

2
lib/vtls/bearssl.c
View File

@ -642,7 +642,7 @@ static CURLcode bearssl_connect_common(struct connectdata *conn,
struct Curl_easy *data = conn->data; struct Curl_easy *data = conn->data;
struct ssl_connect_data *connssl = &conn->ssl[sockindex]; struct ssl_connect_data *connssl = &conn->ssl[sockindex];
curl_socket_t sockfd = conn->sock[sockindex]; curl_socket_t sockfd = conn->sock[sockindex];
time_t timeout_ms; timediff_t timeout_ms;
int what; int what;
/* check if the connection has already been established */ /* check if the connection has already been established */

4
lib/vtls/gskit.c
View File

@ -819,7 +819,7 @@ static CURLcode gskit_connect_step1(struct connectdata *conn, int sockindex)
if(!result) { if(!result) {
/* Compute the handshake timeout. Since GSKit granularity is 1 second, /* Compute the handshake timeout. Since GSKit granularity is 1 second,
we round up the required value. */ we round up the required value. */
long timeout = Curl_timeleft(data, NULL, TRUE); timediff_t timeout = Curl_timeleft(data, NULL, TRUE);
if(timeout < 0) if(timeout < 0)
result = CURLE_OPERATION_TIMEDOUT; result = CURLE_OPERATION_TIMEDOUT;
else else
@ -932,7 +932,7 @@ static CURLcode gskit_connect_step2(struct connectdata *conn, int sockindex,
/* Poll or wait for end of SSL asynchronous handshake. */ /* Poll or wait for end of SSL asynchronous handshake. */
for(;;) { for(;;) {
long timeout_ms = nonblocking? 0: Curl_timeleft(data, NULL, TRUE); timediff_t timeout_ms = nonblocking? 0: Curl_timeleft(data, NULL, TRUE);
if(timeout_ms < 0) if(timeout_ms < 0)
timeout_ms = 0; timeout_ms = 0;
stmv.tv_sec = timeout_ms / 1000; stmv.tv_sec = timeout_ms / 1000;

2
lib/vtls/gtls.c
View File

@ -235,7 +235,7 @@ static CURLcode handshake(struct connectdata *conn,
what = Curl_socket_check(readfd, CURL_SOCKET_BAD, writefd, what = Curl_socket_check(readfd, CURL_SOCKET_BAD, writefd,
nonblocking?0: nonblocking?0:
timeout_ms?(time_t)timeout_ms:1000); timeout_ms?timeout_ms:1000);
if(what < 0) { if(what < 0) {
/* fatal error */ /* fatal error */
failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO); failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO);

2
lib/vtls/mbedtls.c
View File

@ -938,7 +938,7 @@ mbed_connect_common(struct connectdata *conn,
connssl->connecting_state?sockfd:CURL_SOCKET_BAD; connssl->connecting_state?sockfd:CURL_SOCKET_BAD;
what = Curl_socket_check(readfd, CURL_SOCKET_BAD, writefd, what = Curl_socket_check(readfd, CURL_SOCKET_BAD, writefd,
nonblocking ? 0 : (time_t)timeout_ms); nonblocking ? 0 : timeout_ms);
if(what < 0) { if(what < 0) {
/* fatal error */ /* fatal error */
failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO); failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO);

7
lib/vtls/mesalink.c
View File

@ -6,7 +6,7 @@
* \___|\___/|_| \_\_____| * \___|\___/|_| \_\_____|
* *
* Copyright (C) 2017 - 2018, Yiming Jing, <jingyiming@baidu.com> * Copyright (C) 2017 - 2018, Yiming Jing, <jingyiming@baidu.com>
* Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al. * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
* *
* This software is licensed as described in the file COPYING, which * This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms * you should have received as part of this distribution. The terms
@ -542,9 +542,8 @@ mesalink_connect_common(struct connectdata *conn, int sockindex,
? sockfd ? sockfd
: CURL_SOCKET_BAD; : CURL_SOCKET_BAD;
what = Curl_socket_check( what = Curl_socket_check(readfd, CURL_SOCKET_BAD, writefd,
readfd, CURL_SOCKET_BAD, writefd, nonblocking ? 0 : timeout_ms);
nonblocking ? 0 : (time_t)timeout_ms);
if(what < 0) { if(what < 0) {
/* fatal error */ /* fatal error */
failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO); failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO);

7
lib/vtls/openssl.c
View File

@ -3929,7 +3929,6 @@ static CURLcode ossl_connect_common(struct connectdata *conn,
struct Curl_easy *data = conn->data; struct Curl_easy *data = conn->data;
struct ssl_connect_data *connssl = &conn->ssl[sockindex]; struct ssl_connect_data *connssl = &conn->ssl[sockindex];
curl_socket_t sockfd = conn->sock[sockindex]; curl_socket_t sockfd = conn->sock[sockindex];
timediff_t timeout_ms;
int what; int what;
/* check if the connection has already been established */ /* check if the connection has already been established */
@ -3940,7 +3939,7 @@ static CURLcode ossl_connect_common(struct connectdata *conn,
if(ssl_connect_1 == connssl->connecting_state) { if(ssl_connect_1 == connssl->connecting_state) {
/* Find out how much more time we're allowed */ /* Find out how much more time we're allowed */
timeout_ms = Curl_timeleft(data, NULL, TRUE); const timediff_t timeout_ms = Curl_timeleft(data, NULL, TRUE);
if(timeout_ms < 0) { if(timeout_ms < 0) {
/* no need to continue if time already is up */ /* no need to continue if time already is up */
@ -3958,7 +3957,7 @@ static CURLcode ossl_connect_common(struct connectdata *conn,
ssl_connect_2_writing == connssl->connecting_state) { ssl_connect_2_writing == connssl->connecting_state) {
/* check allowed time left */ /* check allowed time left */
timeout_ms = Curl_timeleft(data, NULL, TRUE); const timediff_t timeout_ms = Curl_timeleft(data, NULL, TRUE);
if(timeout_ms < 0) { if(timeout_ms < 0) {
/* no need to continue if time already is up */ /* no need to continue if time already is up */
@ -3976,7 +3975,7 @@ static CURLcode ossl_connect_common(struct connectdata *conn,
connssl->connecting_state?sockfd:CURL_SOCKET_BAD; connssl->connecting_state?sockfd:CURL_SOCKET_BAD;
what = Curl_socket_check(readfd, CURL_SOCKET_BAD, writefd, what = Curl_socket_check(readfd, CURL_SOCKET_BAD, writefd,
nonblocking?0:(time_t)timeout_ms); nonblocking?0:timeout_ms);
if(what < 0) { if(what < 0) {
/* fatal error */ /* fatal error */
failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO); failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO);

12
lib/vtls/schannel.c
View File

@ -1514,7 +1514,7 @@ schannel_connect_common(struct connectdata *conn, int sockindex,
connssl->connecting_state ? sockfd : CURL_SOCKET_BAD; connssl->connecting_state ? sockfd : CURL_SOCKET_BAD;
what = Curl_socket_check(readfd, CURL_SOCKET_BAD, writefd, what = Curl_socket_check(readfd, CURL_SOCKET_BAD, writefd,
nonblocking ? 0 : (time_t)timeout_ms); nonblocking ? 0 : timeout_ms);
if(what < 0) { if(what < 0) {
/* fatal error */ /* fatal error */
failf(data, "select/poll on SSL/TLS socket, errno: %d", SOCKERRNO); failf(data, "select/poll on SSL/TLS socket, errno: %d", SOCKERRNO);
@ -1663,13 +1663,9 @@ schannel_send(struct connectdata *conn, int sockindex,
/* send entire message or fail */ /* send entire message or fail */
while(len > (size_t)written) { while(len > (size_t)written) {
ssize_t this_write; ssize_t this_write = 0;
timediff_t timeout_ms;
int what; int what;
timediff_t timeout_ms = Curl_timeleft(conn->data, NULL, FALSE);
this_write = 0;
timeout_ms = Curl_timeleft(conn->data, NULL, FALSE);
if(timeout_ms < 0) { if(timeout_ms < 0) {
/* we already got the timeout */ /* we already got the timeout */
failf(conn->data, "schannel: timed out sending data " failf(conn->data, "schannel: timed out sending data "
@ -1678,7 +1674,7 @@ schannel_send(struct connectdata *conn, int sockindex,
written = -1; written = -1;
break; break;
} }
if(!timeout_ms) else if(!timeout_ms)
timeout_ms = TIMEDIFF_T_MAX; timeout_ms = TIMEDIFF_T_MAX;
what = SOCKET_WRITABLE(conn->sock[sockindex], timeout_ms); what = SOCKET_WRITABLE(conn->sock[sockindex], timeout_ms);
if(what < 0) { if(what < 0) {

7
lib/vtls/sectransp.c
View File

@ -2836,7 +2836,6 @@ sectransp_connect_common(struct connectdata *conn,
struct Curl_easy *data = conn->data; struct Curl_easy *data = conn->data;
struct ssl_connect_data *connssl = &conn->ssl[sockindex]; struct ssl_connect_data *connssl = &conn->ssl[sockindex];
curl_socket_t sockfd = conn->sock[sockindex]; curl_socket_t sockfd = conn->sock[sockindex];
timediff_t timeout_ms;
int what; int what;
/* check if the connection has already been established */ /* check if the connection has already been established */
@ -2847,7 +2846,7 @@ sectransp_connect_common(struct connectdata *conn,
if(ssl_connect_1 == connssl->connecting_state) { if(ssl_connect_1 == connssl->connecting_state) {
/* Find out how much more time we're allowed */ /* Find out how much more time we're allowed */
timeout_ms = Curl_timeleft(data, NULL, TRUE); const timediff_t timeout_ms = Curl_timeleft(data, NULL, TRUE);
if(timeout_ms < 0) { if(timeout_ms < 0) {
/* no need to continue if time already is up */ /* no need to continue if time already is up */
@ -2865,7 +2864,7 @@ sectransp_connect_common(struct connectdata *conn,
ssl_connect_2_writing == connssl->connecting_state) { ssl_connect_2_writing == connssl->connecting_state) {
/* check allowed time left */ /* check allowed time left */
timeout_ms = Curl_timeleft(data, NULL, TRUE); const timediff_t timeout_ms = Curl_timeleft(data, NULL, TRUE);
if(timeout_ms < 0) { if(timeout_ms < 0) {
/* no need to continue if time already is up */ /* no need to continue if time already is up */
@ -2883,7 +2882,7 @@ sectransp_connect_common(struct connectdata *conn,
connssl->connecting_state?sockfd:CURL_SOCKET_BAD; connssl->connecting_state?sockfd:CURL_SOCKET_BAD;
what = Curl_socket_check(readfd, CURL_SOCKET_BAD, writefd, what = Curl_socket_check(readfd, CURL_SOCKET_BAD, writefd,
nonblocking?0:(time_t)timeout_ms); nonblocking ? 0 : timeout_ms);
if(what < 0) { if(what < 0) {
/* fatal error */ /* fatal error */
failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO); failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO);

5
lib/vtls/wolfssl.c
View File

@ -944,7 +944,6 @@ wolfssl_connect_common(struct connectdata *conn,
struct Curl_easy *data = conn->data; struct Curl_easy *data = conn->data;
struct ssl_connect_data *connssl = &conn->ssl[sockindex]; struct ssl_connect_data *connssl = &conn->ssl[sockindex];
curl_socket_t sockfd = conn->sock[sockindex]; curl_socket_t sockfd = conn->sock[sockindex];
time_t timeout_ms;
int what; int what;
/* check if the connection has already been established */ /* check if the connection has already been established */
@ -955,7 +954,7 @@ wolfssl_connect_common(struct connectdata *conn,
if(ssl_connect_1 == connssl->connecting_state) { if(ssl_connect_1 == connssl->connecting_state) {
/* Find out how much more time we're allowed */ /* Find out how much more time we're allowed */
timeout_ms = Curl_timeleft(data, NULL, TRUE); const timediff_t timeout_ms = Curl_timeleft(data, NULL, TRUE);
if(timeout_ms < 0) { if(timeout_ms < 0) {
/* no need to continue if time already is up */ /* no need to continue if time already is up */
@ -973,7 +972,7 @@ wolfssl_connect_common(struct connectdata *conn,
ssl_connect_2_writing == connssl->connecting_state) { ssl_connect_2_writing == connssl->connecting_state) {
/* check allowed time left */ /* check allowed time left */
timeout_ms = Curl_timeleft(data, NULL, TRUE); const timediff_t timeout_ms = Curl_timeleft(data, NULL, TRUE);
if(timeout_ms < 0) { if(timeout_ms < 0) {
/* no need to continue if time already is up */ /* no need to continue if time already is up */