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[libmicrohttpd] branch master updated: Fixes and improvements for 6c7513
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[libmicrohttpd] branch master updated: Fixes and improvements for 6c751386a2e06d35b6d072c064bd581ddd561c52 |
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Fri, 16 Apr 2021 16:13:37 +0200 |
This is an automated email from the git hooks/post-receive script.
karlson2k pushed a commit to branch master
in repository libmicrohttpd.
The following commit(s) were added to refs/heads/master by this push:
new 61fa3896 Fixes and improvements for
6c751386a2e06d35b6d072c064bd581ddd561c52
61fa3896 is described below
commit 61fa3896442b5629e28d36d4e9e924440e03d873
Author: Evgeny Grin (Karlson2k) <k2k@narod.ru>
AuthorDate: Fri Apr 16 17:11:21 2021 +0300
Fixes and improvements for 6c751386a2e06d35b6d072c064bd581ddd561c52
Fixed build on platforms without epoll,
saved one sys-call for externally added connections.
---
src/microhttpd/daemon.c | 57 +++++++++++++++++--------------------
src/microhttpd/internal.h | 20 +++++++------
src/microhttpd/mhd_send.c | 71 ++++++++++++++++++++++++++++++++---------------
3 files changed, 84 insertions(+), 64 deletions(-)
diff --git a/src/microhttpd/daemon.c b/src/microhttpd/daemon.c
index fde1703d..294ed722 100644
--- a/src/microhttpd/daemon.c
+++ b/src/microhttpd/daemon.c
@@ -2376,7 +2376,7 @@ psk_gnutls_adapter (gnutls_session_t session,
* @param non_blck indicate that socket in non-blocking mode
* @param sk_spipe_supprs indicate that the @a client_socket has
* set SIGPIPE suppression
- * @param sk_is_unix true if this is a UNIX domain socket (AF_UNIX)
+ * @param sk_is_nonip _MHD_YES if this is not a TCP/IP socket
* @return pointer to the connection on success, NULL if this daemon could
* not handle the connection (i.e. malloc failed, etc).
* The socket will be closed in case of error; 'errno' is
@@ -2390,7 +2390,7 @@ new_connection_prepare_ (struct MHD_Daemon *daemon,
bool external_add,
bool non_blck,
bool sk_spipe_supprs,
- bool sk_is_unix)
+ enum MHD_tristate sk_is_nonip)
{
struct MHD_Connection *connection;
int eno = 0;
@@ -2492,7 +2492,7 @@ new_connection_prepare_ (struct MHD_Daemon *daemon,
connection->addr_len = addrlen;
connection->socket_fd = client_socket;
connection->sk_nonblck = non_blck;
- connection->is_unix = sk_is_unix;
+ connection->is_nonip = sk_is_nonip;
connection->sk_spipe_suppress = sk_spipe_supprs;
connection->daemon = daemon;
connection->last_activity = MHD_monotonic_sec_counter ();
@@ -2863,7 +2863,7 @@ cleanup:
* @param non_blck indicate that socket in non-blocking mode
* @param sk_spipe_supprs indicate that the @a client_socket has
* set SIGPIPE suppression
- * @param sk_is_unix true if this is a UNIX domain socket (AF_UNIX)
+ * @param sk_is_nonip _MHD_YES if this is not a TCP/IP socket
* @return #MHD_YES on success, #MHD_NO if this daemon could
* not handle the connection (i.e. malloc failed, etc).
* The socket will be closed in any case; 'errno' is
@@ -2877,7 +2877,7 @@ internal_add_connection (struct MHD_Daemon *daemon,
bool external_add,
bool non_blck,
bool sk_spipe_supprs,
- bool sk_is_unix)
+ enum MHD_tristate sk_is_nonip)
{
struct MHD_Connection *connection;
@@ -2923,7 +2923,7 @@ internal_add_connection (struct MHD_Daemon *daemon,
external_add,
non_blck,
sk_spipe_supprs,
- sk_is_unix);
+ sk_is_nonip);
if (NULL == connection)
return MHD_NO;
@@ -3348,7 +3348,6 @@ MHD_add_connection (struct MHD_Daemon *daemon,
{
bool sk_nonbl;
bool sk_spipe_supprs;
- bool sk_is_unix = false;
/* NOT thread safe with internal thread. TODO: fix thread safety. */
if ((0 == (daemon->options & MHD_USE_INTERNAL_POLLING_THREAD)) &&
@@ -3419,20 +3418,6 @@ MHD_add_connection (struct MHD_Daemon *daemon,
_ ("Failed to set noninheritable mode on new client socket.\n"));
#endif
}
-#ifdef SO_DOMAIN
- {
- int af;
- socklen_t len = sizeof (af);
-
- if ( (0 == getsockopt (daemon->listen_fd,
- SOL_SOCKET,
- SO_DOMAIN,
- &af,
- &len)) &&
- (AF_UNIX == af) )
- sk_is_unix = true;
- }
-#endif
#if defined(MHD_USE_POSIX_THREADS) || defined(MHD_USE_W32_THREADS)
if (NULL != daemon->worker_pool)
@@ -3453,7 +3438,7 @@ MHD_add_connection (struct MHD_Daemon *daemon,
true,
sk_nonbl,
sk_spipe_supprs,
- sk_is_unix);
+ _MHD_UNKNOWN);
}
/* all pools are at their connection limit, must refuse */
MHD_socket_close_chk_ (client_socket);
@@ -3471,7 +3456,7 @@ MHD_add_connection (struct MHD_Daemon *daemon,
true,
sk_nonbl,
sk_spipe_supprs,
- sk_is_unix);
+ _MHD_UNKNOWN);
}
@@ -5840,20 +5825,25 @@ parse_options_va (struct MHD_Daemon *daemon,
{
daemon->listen_fd = va_arg (ap,
MHD_socket);
-#ifdef SO_DOMAIN
+#if defined(SO_DOMAIN) && defined(AF_UNIX)
{
int af;
socklen_t len = sizeof (af);
- if ( (0 == getsockopt (daemon->listen_fd,
- SOL_SOCKET,
- SO_DOMAIN,
- &af,
- &len)) &&
- (AF_UNIX == af) )
- daemon->listen_is_unix = true;
+ if (0 == getsockopt (daemon->listen_fd,
+ SOL_SOCKET,
+ SO_DOMAIN,
+ &af,
+ &len))
+ {
+ daemon->listen_is_unix = (AF_UNIX == af) ? _MHD_YES : MHD_NO;
+ }
+ else
+ daemon->listen_is_unix = _MHD_UNKNOWN;
}
-#endif
+#else /* ! SO_DOMAIN || ! AF_UNIX */
+ daemon->listen_is_unix = _MHD_UNKNOWN;
+#endif /* ! SO_DOMAIN || ! AF_UNIX */
}
break;
case MHD_OPTION_EXTERNAL_LOGGER:
@@ -6342,6 +6332,7 @@ MHD_start_daemon_va (unsigned int flags,
}
#endif /* HTTPS_SUPPORT */
daemon->listen_fd = MHD_INVALID_SOCKET;
+ daemon->listen_is_unix = _MHD_NO;
daemon->listening_address_reuse = 0;
daemon->options = *pflags;
pflags = &daemon->options;
@@ -6722,6 +6713,8 @@ MHD_start_daemon_va (unsigned int flags,
servaddr = (struct sockaddr *) &servaddr4;
}
}
+ else
+ daemon->listen_is_unix = _MHD_UNKNOWN;
daemon->listen_fd = listen_fd;
if (0 != (*pflags & MHD_USE_IPv6))
{
diff --git a/src/microhttpd/internal.h b/src/microhttpd/internal.h
index c939d3e2..fe71e9ab 100644
--- a/src/microhttpd/internal.h
+++ b/src/microhttpd/internal.h
@@ -174,7 +174,9 @@ enum MHD_tristate
{
_MHD_UNKNOWN = -1, /**< State is not yet checked nor set */
_MHD_OFF = false, /**< State is "off" / "disabled" */
- _MHD_ON = true /**< State is "on" / "enabled" */
+ _MHD_NO = false, /**< State is "off" / "disabled" */
+ _MHD_ON = true, /**< State is "on" / "enabled" */
+ _MHD_YES = true /**< State is "on" / "enabled" */
};
@@ -994,9 +996,10 @@ struct MHD_Connection
MHD_socket socket_fd;
/**
- * true if #socket_fd is a UNIX domain socket, false (TCP) otherwise.
+ * true if @e socket_fd is not TCP/IP (a UNIX domain socket, a pipe),
+ * false (TCP/IP) otherwise.
*/
- bool is_unix;
+ enum MHD_tristate is_nonip;
/**
* true if #socket_fd is non-blocking, false otherwise.
@@ -1444,6 +1447,11 @@ struct MHD_Daemon
*/
struct MHD_Connection *cleanup_tail;
+ /**
+ * _MHD_YES if the @e listen_fd socket is a UNIX domain socket.
+ */
+ enum MHD_tristate listen_is_unix;
+
#ifdef EPOLL_SUPPORT
/**
* Head of EDLL of connections ready for processing (in epoll mode).
@@ -1469,12 +1477,6 @@ struct MHD_Daemon
*/
bool listen_socket_in_epoll;
- /**
- * true if the @e listen_fd socket is a UNIX domain socket,
- * false if not.
- */
- bool listen_is_unix;
-
#ifdef UPGRADE_SUPPORT
#ifdef HTTPS_SUPPORT
/**
diff --git a/src/microhttpd/mhd_send.c b/src/microhttpd/mhd_send.c
index e8ae35d2..7637773e 100644
--- a/src/microhttpd/mhd_send.c
+++ b/src/microhttpd/mhd_send.c
@@ -174,6 +174,9 @@ MHD_connection_set_nodelay_state_ (struct MHD_Connection
*connection,
const MHD_SCKT_OPT_BOOL_ on_val = 1;
int err_code;
+ if (_MHD_YES == connection->is_nonip)
+ return true;
+
if (0 == setsockopt (connection->socket_fd,
IPPROTO_TCP,
TCP_NODELAY,
@@ -186,18 +189,29 @@ MHD_connection_set_nodelay_state_ (struct MHD_Connection
*connection,
err_code = MHD_socket_get_error_ ();
switch (err_code)
{
- case ENOTSOCK:
- /* FIXME: Could be we are talking to a pipe, maybe remember this
- and avoid all setsockopt() in the future? */
+ case EINVAL:
+ case ENOPROTOOPT:
+ case ENOTSOCK:
+ if (_MHD_NO == connection->is_nonip)
+ {
+#ifdef HAVE_MESSAGES
+ MHD_DLOG (connection->daemon,
+ _ ("Setting %s option to %s state failed "
+ "for TCP/IP socket %d: %s\n"),
+ "TCP_NODELAY",
+ nodelay_state ? _ ("ON") : _ ("OFF"),
+ (int) connection->socket_fd,
+ MHD_socket_strerr_ (err_code));
+#endif /* HAVE_MESSAGES */
+ }
+ else
+ connection->is_nonip = _MHD_YES;
break;
case EBADF:
- /* FIXME: should we die hard here? */
- case EINVAL:
- /* FIXME: optlen invalid, should at least log this, maybe die */
case EFAULT:
- /* wopsie, should at least log this, FIXME: maybe die */
- case ENOPROTOOPT:
- /* optlen unknown, should at least log this */
+ /* Hard errors, something is wrong. Too tricky to
+ * break connection here, just log the message.
+ * Shound't really happen too often. */
default:
#ifdef HAVE_MESSAGES
MHD_DLOG (connection->daemon,
@@ -230,7 +244,7 @@ connection_set_cork_state_ (struct MHD_Connection
*connection,
const MHD_SCKT_OPT_BOOL_ on_val = 1;
int err_code;
- if (connection->is_unix)
+ if (_MHD_YES == connection->is_nonip)
return true;
if (0 == setsockopt (connection->socket_fd,
IPPROTO_TCP,
@@ -244,18 +258,29 @@ connection_set_cork_state_ (struct MHD_Connection
*connection,
err_code = MHD_socket_get_error_ ();
switch (err_code)
{
- case ENOTSOCK:
- /* FIXME: Could be we are talking to a pipe, maybe remember this
- and avoid all setsockopt() in the future? */
+ case EINVAL:
+ case ENOPROTOOPT:
+ case ENOTSOCK:
+ if (_MHD_NO == connection->is_nonip)
+ {
+#ifdef HAVE_MESSAGES
+ MHD_DLOG (connection->daemon,
+ _ ("Setting %s option to %s state failed "
+ "for TCP/IP socket %d: %s\n"),
+ "TCP_NODELAY",
+ nodelay_state ? _ ("ON") : _ ("OFF"),
+ (int) connection->socket_fd,
+ MHD_socket_strerr_ (err_code));
+#endif /* HAVE_MESSAGES */
+ }
+ else
+ connection->is_nonip = _MHD_YES;
break;
case EBADF:
- /* FIXME: should we die hard here? */
- case EINVAL:
- /* FIXME: optlen invalid, should at least log this, maybe die */
case EFAULT:
- /* wopsie, should at least log this, FIXME: maybe die */
- case ENOPROTOOPT:
- /* optlen unknown, should at least log this */
+ /* Hard errors, something is wrong. Too tricky to
+ * break connection here, just log the message.
+ * Shound't really happen too often. */
default:
#ifdef HAVE_MESSAGES
MHD_DLOG (connection->daemon,
@@ -295,7 +320,7 @@ pre_send_setopt (struct MHD_Connection *connection,
* Final piece is indicated by push_data == true. */
const bool buffer_data = (! push_data);
- if (connection->is_unix)
+ if (_MHD_YES == connection->is_nonip)
return;
/* The goal is to minimise the total number of additional sys-calls
* before and after send().
@@ -519,8 +544,8 @@ zero_send_ (struct MHD_Connection *connection)
{
int dummy;
- if (connection->is_unix)
- return;
+ if (_MHD_YES == connection->is_nonip)
+ return false;
mhd_assert (_MHD_OFF == connection->sk_corked);
mhd_assert (_MHD_ON == connection->sk_nodelay);
dummy = 0; /* Mute compiler and analyzer warnings */
@@ -556,7 +581,7 @@ post_send_setopt (struct MHD_Connection *connection,
* Final piece is indicated by push_data == true. */
const bool buffer_data = (! push_data);
- if (connection->is_unix)
+ if (_MHD_YES == connection->is_nonip)
return;
if (buffer_data)
return; /* Nothing to do after send(). */
--
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