diff options
author | Daniel P. Berrange <berrange@redhat.com> | 2017-12-18 13:54:17 +0000 |
---|---|---|
committer | Paolo Bonzini <pbonzini@redhat.com> | 2017-12-21 09:30:32 +0100 |
commit | 194b7f0d448361dd58d2f7f189147cf075988255 (patch) | |
tree | 6ce58f4649a60be3d2931ce4baa8d81dec5cb9f5 /chardev/char-socket.c | |
parent | e4849c1d7cd4472ff4e747a6bcc1994a6e370307 (diff) |
chardev: convert the socket server to QIONetListener
Instead of creating a QIOChannelSocket directly for the chardev
server socket, use a QIONetListener. This provides the ability
to listen on multiple sockets at the same time, so enables
full support for IPv4/IPv6 dual stack.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-Id: <20171218135417.28301-2-berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'chardev/char-socket.c')
-rw-r--r-- | chardev/char-socket.c | 73 |
1 files changed, 30 insertions, 43 deletions
diff --git a/chardev/char-socket.c b/chardev/char-socket.c index 53eda8ef00..630a7f2995 100644 --- a/chardev/char-socket.c +++ b/chardev/char-socket.c @@ -25,6 +25,7 @@ #include "chardev/char.h" #include "io/channel-socket.h" #include "io/channel-tls.h" +#include "io/net-listener.h" #include "qemu/error-report.h" #include "qapi/error.h" #include "qapi/clone-visitor.h" @@ -40,8 +41,7 @@ typedef struct { Chardev parent; QIOChannel *ioc; /* Client I/O channel */ QIOChannelSocket *sioc; /* Client master channel */ - QIOChannelSocket *listen_ioc; - guint listen_tag; + QIONetListener *listener; QCryptoTLSCreds *tls_creds; int connected; int max_size; @@ -93,9 +93,9 @@ static void check_report_connect_error(Chardev *chr, qemu_chr_socket_restart_timer(chr); } -static gboolean tcp_chr_accept(QIOChannel *chan, - GIOCondition cond, - void *opaque); +static void tcp_chr_accept(QIONetListener *listener, + QIOChannelSocket *cioc, + void *opaque); static int tcp_chr_read_poll(void *opaque); static void tcp_chr_disconnect(Chardev *chr); @@ -401,9 +401,9 @@ static void tcp_chr_disconnect(Chardev *chr) tcp_chr_free_connection(chr); - if (s->listen_ioc && s->listen_tag == 0) { - s->listen_tag = qio_channel_add_watch( - QIO_CHANNEL(s->listen_ioc), G_IO_IN, tcp_chr_accept, chr, NULL); + if (s->listener) { + qio_net_listener_set_client_func(s->listener, tcp_chr_accept, + chr, NULL); } update_disconnected_filename(s); if (emit_close) { @@ -702,9 +702,8 @@ static int tcp_chr_new_client(Chardev *chr, QIOChannelSocket *sioc) if (s->do_nodelay) { qio_channel_set_delay(s->ioc, false); } - if (s->listen_tag) { - g_source_remove(s->listen_tag); - s->listen_tag = 0; + if (s->listener) { + qio_net_listener_set_client_func(s->listener, NULL, NULL, NULL); } if (s->tls_creds) { @@ -736,24 +735,14 @@ static int tcp_chr_add_client(Chardev *chr, int fd) return ret; } -static gboolean tcp_chr_accept(QIOChannel *channel, - GIOCondition cond, - void *opaque) +static void tcp_chr_accept(QIONetListener *listener, + QIOChannelSocket *cioc, + void *opaque) { Chardev *chr = CHARDEV(opaque); - QIOChannelSocket *sioc; - - sioc = qio_channel_socket_accept(QIO_CHANNEL_SOCKET(channel), - NULL); - if (!sioc) { - return TRUE; - } - - tcp_chr_new_client(chr, sioc); - object_unref(OBJECT(sioc)); - - return TRUE; + tcp_chr_set_client_ioc_name(chr, cioc); + tcp_chr_new_client(chr, cioc); } static int tcp_chr_wait_connected(Chardev *chr, Error **errp) @@ -767,9 +756,10 @@ static int tcp_chr_wait_connected(Chardev *chr, Error **errp) if (s->is_listen) { info_report("QEMU waiting for connection on: %s", chr->filename); - qio_channel_set_blocking(QIO_CHANNEL(s->listen_ioc), true, NULL); - tcp_chr_accept(QIO_CHANNEL(s->listen_ioc), G_IO_IN, chr); - qio_channel_set_blocking(QIO_CHANNEL(s->listen_ioc), false, NULL); + sioc = qio_net_listener_wait_client(s->listener); + tcp_chr_set_client_ioc_name(chr, sioc); + tcp_chr_new_client(chr, sioc); + object_unref(OBJECT(sioc)); } else { sioc = qio_channel_socket_new(); tcp_chr_set_client_ioc_name(chr, sioc); @@ -797,12 +787,9 @@ static void char_socket_finalize(Object *obj) s->reconnect_timer = 0; } qapi_free_SocketAddress(s->addr); - if (s->listen_tag) { - g_source_remove(s->listen_tag); - s->listen_tag = 0; - } - if (s->listen_ioc) { - object_unref(OBJECT(s->listen_ioc)); + if (s->listener) { + qio_net_listener_set_client_func(s->listener, NULL, NULL, NULL); + object_unref(OBJECT(s->listener)); } if (s->tls_creds) { object_unref(OBJECT(s->tls_creds)); @@ -935,29 +922,29 @@ static void qmp_chardev_open_socket(Chardev *chr, } else { if (s->is_listen) { char *name; - sioc = qio_channel_socket_new(); + s->listener = qio_net_listener_new(); name = g_strdup_printf("chardev-tcp-listener-%s", chr->label); - qio_channel_set_name(QIO_CHANNEL(sioc), name); + qio_net_listener_set_name(s->listener, name); g_free(name); - if (qio_channel_socket_listen_sync(sioc, s->addr, errp) < 0) { + if (qio_net_listener_open_sync(s->listener, s->addr, errp) < 0) { + object_unref(OBJECT(s->listener)); + s->listener = NULL; goto error; } qapi_free_SocketAddress(s->addr); - s->addr = socket_local_address(sioc->fd, errp); + s->addr = socket_local_address(s->listener->sioc[0]->fd, errp); update_disconnected_filename(s); - s->listen_ioc = sioc; if (is_waitconnect && qemu_chr_wait_connected(chr, errp) < 0) { return; } if (!s->ioc) { - s->listen_tag = qio_channel_add_watch( - QIO_CHANNEL(s->listen_ioc), G_IO_IN, - tcp_chr_accept, chr, NULL); + qio_net_listener_set_client_func(s->listener, tcp_chr_accept, + chr, NULL); } } else if (qemu_chr_wait_connected(chr, errp) < 0) { goto error; |