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winlin 2021-01-18 11:38:06 +08:00
parent 5e3e013c60
commit 5207e90a2a
3 changed files with 35 additions and 10 deletions
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4
trunk/3rdparty/st-srs/Makefile vendored
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@ -189,10 +189,6 @@ OTHER_FLAGS = -Wall
ifeq ($(shell test -f /usr/include/sys/epoll.h && echo yes), yes)
DEFINES += -DMD_HAVE_EPOLL
endif
# For SRS, sendmmsg
ifeq ($(shell grep -qs sendmmsg /usr/include/sys/socket.h && echo yes), yes)
DEFINES += -DMD_HAVE_SENDMMSG -D_GNU_SOURCE
endif
endif
ifeq ($(OS), NETBSD)

31
trunk/3rdparty/st-srs/io.c vendored
View file

@ -742,17 +742,16 @@ int st_sendmsg(_st_netfd_t *fd, const struct msghdr *msg, int flags, st_utime_t
return n;
}
#if defined(MD_HAVE_SENDMMSG) && defined(_GNU_SOURCE)
int st_sendmmsg(st_netfd_t fd, struct mmsghdr *msgvec, unsigned int vlen, int flags, st_utime_t timeout)
int st_sendmmsg(st_netfd_t fd, struct st_mmsghdr *msgvec, unsigned int vlen, int flags, st_utime_t timeout)
{
#if defined(MD_HAVE_SENDMMSG) && defined(_GNU_SOURCE)
int n;
int left;
struct mmsghdr *p;
left = (int)vlen;
while (left > 0) {
p = msgvec + (vlen - left);
p = (struct mmsghdr*)msgvec + (vlen - left);
if ((n = sendmmsg(fd->osfd, p, left, flags)) < 0) {
if (errno == EINTR)
@ -772,8 +771,30 @@ int st_sendmmsg(st_netfd_t fd, struct mmsghdr *msgvec, unsigned int vlen, int fl
return n;
}
return (int)vlen - left;
}
#else
struct st_mmsghdr *p;
int i, n;
// @see http://man7.org/linux/man-pages/man2/sendmmsg.2.html
for (i = 0; i < (int)vlen; ++i) {
p = msgvec + i;
n = st_sendmsg(fd, &p->msg_hdr, flags, timeout);
if (n < 0) {
// An error is returned only if no datagrams could be sent.
if (i == 0) {
return n;
}
return i + 1;
}
p->msg_len = n;
}
// Returns the number of messages sent from msgvec; if this is less than vlen, the caller can retry with a
// further sendmmsg() call to send the remaining messages.
return vlen;
#endif
}
/*

10
trunk/3rdparty/st-srs/public.h vendored
View file

@ -151,7 +151,15 @@ extern int st_recvfrom(st_netfd_t fd, void *buf, int len, struct sockaddr *from,
extern int st_sendto(st_netfd_t fd, const void *msg, int len, const struct sockaddr *to, int tolen, st_utime_t timeout);
extern int st_recvmsg(st_netfd_t fd, struct msghdr *msg, int flags, st_utime_t timeout);
extern int st_sendmsg(st_netfd_t fd, const struct msghdr *msg, int flags, st_utime_t timeout);
extern int st_sendmmsg(st_netfd_t fd, struct mmsghdr *msgvec, unsigned int vlen, int flags, st_utime_t timeout);
// @see http://man7.org/linux/man-pages/man2/sendmmsg.2.html
#include <sys/socket.h>
struct st_mmsghdr {
struct msghdr msg_hdr; /* Message header */
unsigned int msg_len; /* Number of bytes transmitted */
};
extern int st_sendmmsg(st_netfd_t fd, struct st_mmsghdr *msgvec, unsigned int vlen, int flags, st_utime_t timeout);
extern st_netfd_t st_open(const char *path, int oflags, mode_t mode);
#ifdef DEBUG