diff options
Diffstat (limited to 'io')
-rw-r--r-- | io/channel-buffer.c | 1 | ||||
-rw-r--r-- | io/channel-command.c | 1 | ||||
-rw-r--r-- | io/channel-file.c | 1 | ||||
-rw-r--r-- | io/channel-null.c | 1 | ||||
-rw-r--r-- | io/channel-socket.c | 19 | ||||
-rw-r--r-- | io/channel-tls.c | 1 | ||||
-rw-r--r-- | io/channel-websock.c | 1 | ||||
-rw-r--r-- | io/channel.c | 16 |
8 files changed, 36 insertions, 5 deletions
diff --git a/io/channel-buffer.c b/io/channel-buffer.c index bf52011be2..8096180f85 100644 --- a/io/channel-buffer.c +++ b/io/channel-buffer.c @@ -54,6 +54,7 @@ static ssize_t qio_channel_buffer_readv(QIOChannel *ioc, size_t niov, int **fds, size_t *nfds, + int flags, Error **errp) { QIOChannelBuffer *bioc = QIO_CHANNEL_BUFFER(ioc); diff --git a/io/channel-command.c b/io/channel-command.c index 74516252ba..e7edd091af 100644 --- a/io/channel-command.c +++ b/io/channel-command.c @@ -203,6 +203,7 @@ static ssize_t qio_channel_command_readv(QIOChannel *ioc, size_t niov, int **fds, size_t *nfds, + int flags, Error **errp) { QIOChannelCommand *cioc = QIO_CHANNEL_COMMAND(ioc); diff --git a/io/channel-file.c b/io/channel-file.c index b67687c2aa..d76663e6ae 100644 --- a/io/channel-file.c +++ b/io/channel-file.c @@ -86,6 +86,7 @@ static ssize_t qio_channel_file_readv(QIOChannel *ioc, size_t niov, int **fds, size_t *nfds, + int flags, Error **errp) { QIOChannelFile *fioc = QIO_CHANNEL_FILE(ioc); diff --git a/io/channel-null.c b/io/channel-null.c index 75e3781507..4fafdb770d 100644 --- a/io/channel-null.c +++ b/io/channel-null.c @@ -60,6 +60,7 @@ qio_channel_null_readv(QIOChannel *ioc, size_t niov, int **fds G_GNUC_UNUSED, size_t *nfds G_GNUC_UNUSED, + int flags, Error **errp) { QIOChannelNull *nioc = QIO_CHANNEL_NULL(ioc); diff --git a/io/channel-socket.c b/io/channel-socket.c index b76dca9cc1..7aca84f61a 100644 --- a/io/channel-socket.c +++ b/io/channel-socket.c @@ -173,6 +173,9 @@ int qio_channel_socket_connect_sync(QIOChannelSocket *ioc, } #endif + qio_channel_set_feature(QIO_CHANNEL(ioc), + QIO_CHANNEL_FEATURE_READ_MSG_PEEK); + return 0; } @@ -406,6 +409,9 @@ qio_channel_socket_accept(QIOChannelSocket *ioc, } #endif /* WIN32 */ + qio_channel_set_feature(QIO_CHANNEL(cioc), + QIO_CHANNEL_FEATURE_READ_MSG_PEEK); + trace_qio_channel_socket_accept_complete(ioc, cioc, cioc->fd); return cioc; @@ -496,6 +502,7 @@ static ssize_t qio_channel_socket_readv(QIOChannel *ioc, size_t niov, int **fds, size_t *nfds, + int flags, Error **errp) { QIOChannelSocket *sioc = QIO_CHANNEL_SOCKET(ioc); @@ -517,6 +524,10 @@ static ssize_t qio_channel_socket_readv(QIOChannel *ioc, } + if (flags & QIO_CHANNEL_READ_FLAG_MSG_PEEK) { + sflags |= MSG_PEEK; + } + retry: ret = recvmsg(sioc->fd, &msg, sflags); if (ret < 0) { @@ -624,11 +635,17 @@ static ssize_t qio_channel_socket_readv(QIOChannel *ioc, size_t niov, int **fds, size_t *nfds, + int flags, Error **errp) { QIOChannelSocket *sioc = QIO_CHANNEL_SOCKET(ioc); ssize_t done = 0; ssize_t i; + int sflags = 0; + + if (flags & QIO_CHANNEL_READ_FLAG_MSG_PEEK) { + sflags |= MSG_PEEK; + } for (i = 0; i < niov; i++) { ssize_t ret; @@ -636,7 +653,7 @@ static ssize_t qio_channel_socket_readv(QIOChannel *ioc, ret = recv(sioc->fd, iov[i].iov_base, iov[i].iov_len, - 0); + sflags); if (ret < 0) { if (errno == EAGAIN) { if (done) { diff --git a/io/channel-tls.c b/io/channel-tls.c index 4ce890a538..c730cb8ec5 100644 --- a/io/channel-tls.c +++ b/io/channel-tls.c @@ -260,6 +260,7 @@ static ssize_t qio_channel_tls_readv(QIOChannel *ioc, size_t niov, int **fds, size_t *nfds, + int flags, Error **errp) { QIOChannelTLS *tioc = QIO_CHANNEL_TLS(ioc); diff --git a/io/channel-websock.c b/io/channel-websock.c index fb4932ade7..a12acc27cf 100644 --- a/io/channel-websock.c +++ b/io/channel-websock.c @@ -1081,6 +1081,7 @@ static ssize_t qio_channel_websock_readv(QIOChannel *ioc, size_t niov, int **fds, size_t *nfds, + int flags, Error **errp) { QIOChannelWebsock *wioc = QIO_CHANNEL_WEBSOCK(ioc); diff --git a/io/channel.c b/io/channel.c index 0640941ac5..a8c7f11649 100644 --- a/io/channel.c +++ b/io/channel.c @@ -52,6 +52,7 @@ ssize_t qio_channel_readv_full(QIOChannel *ioc, size_t niov, int **fds, size_t *nfds, + int flags, Error **errp) { QIOChannelClass *klass = QIO_CHANNEL_GET_CLASS(ioc); @@ -63,7 +64,14 @@ ssize_t qio_channel_readv_full(QIOChannel *ioc, return -1; } - return klass->io_readv(ioc, iov, niov, fds, nfds, errp); + if ((flags & QIO_CHANNEL_READ_FLAG_MSG_PEEK) && + !qio_channel_has_feature(ioc, QIO_CHANNEL_FEATURE_READ_MSG_PEEK)) { + error_setg_errno(errp, EINVAL, + "Channel does not support peek read"); + return -1; + } + + return klass->io_readv(ioc, iov, niov, fds, nfds, flags, errp); } @@ -146,7 +154,7 @@ int qio_channel_readv_full_all_eof(QIOChannel *ioc, while ((nlocal_iov > 0) || local_fds) { ssize_t len; len = qio_channel_readv_full(ioc, local_iov, nlocal_iov, local_fds, - local_nfds, errp); + local_nfds, 0, errp); if (len == QIO_CHANNEL_ERR_BLOCK) { if (qemu_in_coroutine()) { qio_channel_yield(ioc, G_IO_IN); @@ -284,7 +292,7 @@ ssize_t qio_channel_readv(QIOChannel *ioc, size_t niov, Error **errp) { - return qio_channel_readv_full(ioc, iov, niov, NULL, NULL, errp); + return qio_channel_readv_full(ioc, iov, niov, NULL, NULL, 0, errp); } @@ -303,7 +311,7 @@ ssize_t qio_channel_read(QIOChannel *ioc, Error **errp) { struct iovec iov = { .iov_base = buf, .iov_len = buflen }; - return qio_channel_readv_full(ioc, &iov, 1, NULL, NULL, errp); + return qio_channel_readv_full(ioc, &iov, 1, NULL, NULL, 0, errp); } |