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Diffstat (limited to 'libs/libcurl/src/multi.c')
-rw-r--r--libs/libcurl/src/multi.c39
1 files changed, 28 insertions, 11 deletions
diff --git a/libs/libcurl/src/multi.c b/libs/libcurl/src/multi.c
index 6d819b4aaa..cef2805c8e 100644
--- a/libs/libcurl/src/multi.c
+++ b/libs/libcurl/src/multi.c
@@ -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
* you should have received as part of this distribution. The terms
@@ -47,6 +47,7 @@
#include "http_proxy.h"
#include "http2.h"
#include "socketpair.h"
+#include "socks.h"
/* The last 3 #include files should be in this order */
#include "curl_printf.h"
#include "curl_memory.h"
@@ -369,6 +370,8 @@ struct Curl_multi *Curl_multi_handle(int hashsize, /* socket hash */
/* -1 means it not set by user, use the default value */
multi->maxconnects = -1;
+ multi->max_concurrent_streams = 100;
+ multi->ipv6_works = Curl_ipv6works(NULL);
#ifdef ENABLE_WAKEUP
if(Curl_socketpair(AF_UNIX, SOCK_STREAM, 0, multi->wakeup_pair) < 0) {
@@ -590,6 +593,9 @@ static CURLcode multi_done(struct Curl_easy *data,
detach_connnection(data);
if(CONN_INUSE(conn)) {
/* Stop if still used. */
+ /* conn->data must not remain pointing to this transfer since it is going
+ away! Find another to own it! */
+ conn->data = conn->easyq.head->ptr;
CONN_UNLOCK(data);
DEBUGF(infof(data, "Connection still in use %zu, "
"no more multi_done now!\n",
@@ -725,8 +731,8 @@ CURLMcode curl_multi_remove_handle(struct Curl_multi *multi,
we don't leave a half-baked one around */
if(easy_owns_conn) {
- /* multi_done() clears the conn->data field to lose the association
- between the easy handle and the connection
+ /* multi_done() clears the association between the easy handle and the
+ connection.
Note that this ignores the return code simply because there's
nothing really useful to do with it anyway! */
@@ -851,6 +857,9 @@ static int waitconnect_getsock(struct connectdata *conn,
return Curl_ssl_getsock(conn, sock);
#endif
+ if(SOCKS_STATE(conn->cnnct.state))
+ return Curl_SOCKS_getsock(conn, sock, FIRSTSOCKET);
+
for(i = 0; i<2; i++) {
if(conn->tempsock[i] != CURL_SOCKET_BAD) {
sock[s] = conn->tempsock[i];
@@ -1048,6 +1057,9 @@ static CURLMcode Curl_multi_wait(struct Curl_multi *multi,
if(multi->in_callback)
return CURLM_RECURSIVE_API_CALL;
+ if(timeout_ms < 0)
+ return CURLM_BAD_FUNCTION_ARGUMENT;
+
/* Count up how many fds we have from the multi handle */
data = multi->easyp;
while(data) {
@@ -1187,7 +1199,7 @@ static CURLMcode Curl_multi_wait(struct Curl_multi *multi,
data from it until it receives an error (except EINTR).
In normal cases it will get EAGAIN or EWOULDBLOCK
when there is no more data, breaking the loop. */
- if(sread(multi->wakeup_pair[0], buf, sizeof(buf)) < 0) {
+ if(sread(multi->wakeup_pair[0], buf, sizeof(buf)) <= 0) {
#ifndef USE_WINSOCK
if(EINTR == SOCKERRNO)
continue;
@@ -2183,8 +2195,13 @@ static CURLMcode multi_runsingle(struct Curl_multi *multi,
}
}
}
- else if(comeback)
- rc = CURLM_CALL_MULTI_PERFORM;
+ else if(comeback) {
+ /* This avoids CURLM_CALL_MULTI_PERFORM so that a very fast transfer
+ won't get stuck on this transfer at the expense of other concurrent
+ transfers */
+ Curl_expire(data, 0, EXPIRE_RUN_NOW);
+ rc = CURLM_OK;
+ }
break;
}
@@ -2897,8 +2914,8 @@ CURLMcode curl_multi_setopt(struct Curl_multi *multi,
if(streams < 1)
streams = 100;
multi->max_concurrent_streams =
- (streams > (long)INITIAL_MAX_CONCURRENT_STREAMS)?
- (long)INITIAL_MAX_CONCURRENT_STREAMS : streams;
+ (streams > (long)INITIAL_MAX_CONCURRENT_STREAMS)?
+ INITIAL_MAX_CONCURRENT_STREAMS : (unsigned int)streams;
}
break;
default:
@@ -3340,8 +3357,8 @@ void Curl_multi_dump(struct Curl_multi *multi)
}
#endif
-size_t Curl_multi_max_concurrent_streams(struct Curl_multi *multi)
+unsigned int Curl_multi_max_concurrent_streams(struct Curl_multi *multi)
{
- return multi ? ((size_t)multi->max_concurrent_streams ?
- (size_t)multi->max_concurrent_streams : 100) : 0;
+ DEBUGASSERT(multi);
+ return multi->max_concurrent_streams;
}