From: Paolo Bonzini <pbonzini@redhat.com>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [PATCH 10/29] qemu-char: ask and print error information from qemu-sockets
Date: Fri, 19 Oct 2012 15:31:49 +0200 [thread overview]
Message-ID: <1350653528-5834-11-git-send-email-pbonzini@redhat.com> (raw)
In-Reply-To: <1350653528-5834-1-git-send-email-pbonzini@redhat.com>
Before:
$ qemu-system-x86_64 -monitor tcp:localhost:6000
(starts despite error)
$ qemu-system-x86_64 -monitor tcp:foo.bar:12345
getaddrinfo(foo.bar,12345): Name or service not known
chardev: opening backend "socket" failed
$ qemu-system-x86_64 -monitor tcp:localhost:443,server=on
inet_listen_opts: bind(ipv4,127.0.0.1,443): Permission denied
inet_listen_opts: FAILED
chardev: opening backend "socket" failed
After:
$ x86_64-softmmu/qemu-system-x86_64 -monitor tcp:localhost:6000
x86_64-softmmu/qemu-system-x86_64: -monitor tcp:localhost:6000: Failed to connect to socket: Connection refused
chardev: opening backend "socket" failed
$ x86_64-softmmu/qemu-system-x86_64 -monitor tcp:foo.bar:12345
qemu-system-x86_64: -monitor tcp:foo.bar:12345: address resolution failed for foo.bar:12345: Name or service not known
chardev: opening backend "socket" failed
$ x86_64-softmmu/qemu-system-x86_64 -monitor tcp:localhost:443,server=on
qemu-system-x86_64: -monitor tcp:localhost:443,server=on: Failed to bind socket: Permission denied
chardev: opening backend "socket" failed
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
qemu-char.c | 23 +++++++++++++++++------
1 file modificato, 17 inserzioni(+), 6 rimozioni(-)
diff --git a/qemu-char.c b/qemu-char.c
index 8ebd582..04b5c23 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -2097,12 +2097,13 @@ static CharDriverState *qemu_chr_open_udp(QemuOpts *opts)
{
CharDriverState *chr = NULL;
NetCharDriver *s = NULL;
+ Error *local_err = NULL;
int fd = -1;
chr = g_malloc0(sizeof(CharDriverState));
s = g_malloc0(sizeof(NetCharDriver));
- fd = inet_dgram_opts(opts, NULL);
+ fd = inet_dgram_opts(opts, &local_err);
if (fd < 0) {
fprintf(stderr, "inet_dgram_opts failed\n");
goto return_err;
@@ -2118,6 +2119,10 @@ static CharDriverState *qemu_chr_open_udp(QemuOpts *opts)
return chr;
return_err:
+ if (local_err) {
+ qerror_report_err(local_err);
+ error_free(local_err);
+ }
g_free(chr);
g_free(s);
if (fd >= 0) {
@@ -2428,6 +2433,7 @@ static CharDriverState *qemu_chr_open_socket(QemuOpts *opts)
{
CharDriverState *chr = NULL;
TCPCharDriver *s = NULL;
+ Error *local_err = NULL;
int fd = -1;
int is_listen;
int is_waitconnect;
@@ -2448,15 +2454,15 @@ static CharDriverState *qemu_chr_open_socket(QemuOpts *opts)
if (is_unix) {
if (is_listen) {
- fd = unix_listen_opts(opts, NULL);
+ fd = unix_listen_opts(opts, &local_err);
} else {
- fd = unix_connect_opts(opts, NULL, NULL, NULL);
+ fd = unix_connect_opts(opts, &local_err, NULL, NULL);
}
} else {
if (is_listen) {
- fd = inet_listen_opts(opts, 0, NULL);
+ fd = inet_listen_opts(opts, 0, &local_err);
} else {
- fd = inet_connect_opts(opts, NULL, NULL, NULL);
+ fd = inet_connect_opts(opts, &local_err, NULL, NULL);
}
}
if (fd < 0) {
@@ -2517,8 +2523,13 @@ static CharDriverState *qemu_chr_open_socket(QemuOpts *opts)
return chr;
fail:
- if (fd >= 0)
+ if (local_err) {
+ qerror_report_err(local_err);
+ error_free(local_err);
+ }
+ if (fd >= 0) {
closesocket(fd);
+ }
g_free(s);
g_free(chr);
return NULL;
--
1.7.12.1
next prev parent reply other threads:[~2012-10-19 13:33 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-19 13:31 [Qemu-devel] [PULL 00/29] qemu-sockets error propagation + NBD server Paolo Bonzini
2012-10-19 13:31 ` [Qemu-devel] [PATCH 01/29] error: add error_set_errno and error_setg_errno Paolo Bonzini
2012-10-19 13:31 ` [Qemu-devel] [PATCH 02/29] qemu-sockets: add Error ** to all functions Paolo Bonzini
2012-10-19 13:31 ` [Qemu-devel] [PATCH 03/29] qemu-sockets: unix_listen and unix_connect are portable Paolo Bonzini
2012-10-19 13:31 ` [Qemu-devel] [PATCH 04/29] qemu-sockets: add nonblocking connect for Unix sockets Paolo Bonzini
2012-10-19 13:31 ` [Qemu-devel] [PATCH 05/29] migration: avoid using error_is_set and thus relying on errp != NULL Paolo Bonzini
2012-10-19 13:31 ` [Qemu-devel] [PATCH 06/29] migration: centralize call to migrate_fd_error() Paolo Bonzini
2012-10-19 13:31 ` [Qemu-devel] [PATCH 07/29] migration: use qemu-sockets to establish Unix sockets Paolo Bonzini
2012-10-19 13:31 ` [Qemu-devel] [PATCH 08/29] migration (outgoing): add error propagation for all protocols Paolo Bonzini
2012-10-22 15:52 ` Markus Armbruster
2012-10-23 11:27 ` Paolo Bonzini
2012-10-19 13:31 ` [Qemu-devel] [PATCH 09/29] migration (incoming): add error propagation to fd and exec protocols Paolo Bonzini
2012-10-19 13:31 ` Paolo Bonzini [this message]
2012-10-19 13:31 ` [Qemu-devel] [PATCH 11/29] nbd: ask and print error information from qemu-sockets Paolo Bonzini
2012-10-19 13:31 ` [Qemu-devel] [PATCH 12/29] qemu-ga: " Paolo Bonzini
2012-10-19 13:31 ` [Qemu-devel] [PATCH 13/29] vnc: avoid Yoda conditionals Paolo Bonzini
2012-10-19 13:31 ` [Qemu-devel] [PATCH 14/29] vnc: introduce a single label for error returns Paolo Bonzini
2012-10-22 15:49 ` Markus Armbruster
2012-10-23 11:32 ` Paolo Bonzini
2012-10-19 13:31 ` [Qemu-devel] [PATCH 15/29] vnc: reorganize code for reverse mode Paolo Bonzini
2012-10-22 15:39 ` Markus Armbruster
2012-10-19 13:31 ` [Qemu-devel] [PATCH 16/29] vnc: add error propagation to vnc_display_open Paolo Bonzini
2012-10-19 13:31 ` [Qemu-devel] [PATCH 17/29] qemu-sockets: include strerror or gai_strerror output in error messages Paolo Bonzini
2012-10-19 13:31 ` [Qemu-devel] [PATCH 18/29] qemu-sockets: add error propagation to inet_connect_addr Paolo Bonzini
2012-10-22 15:53 ` Markus Armbruster
2012-10-19 13:31 ` [Qemu-devel] [PATCH 19/29] qemu-sockets: add error propagation to inet_dgram_opts Paolo Bonzini
2012-10-19 13:31 ` [Qemu-devel] [PATCH 20/29] qemu-sockets: add error propagation to inet_parse Paolo Bonzini
2012-10-19 13:32 ` [Qemu-devel] [PATCH 21/29] qemu-sockets: add error propagation to Unix socket functions Paolo Bonzini
2012-10-19 13:32 ` [Qemu-devel] [PATCH 22/29] vnc: drop QERR_VNC_SERVER_FAILED Paolo Bonzini
2012-10-19 13:32 ` [Qemu-devel] [PATCH 23/29] build: add QAPI files to the tools Paolo Bonzini
2012-10-19 13:32 ` [Qemu-devel] [PATCH 24/29] qapi: add socket address types Paolo Bonzini
2012-10-19 13:32 ` [Qemu-devel] [PATCH 25/29] qemu-sockets: return InetSocketAddress from inet_parse Paolo Bonzini
2012-10-19 13:32 ` [Qemu-devel] [PATCH 26/29] qemu-sockets: add socket_listen, socket_connect, socket_parse Paolo Bonzini
2012-10-19 13:32 ` [Qemu-devel] [PATCH 27/29] block: prepare code for adding block notifiers Paolo Bonzini
2012-10-19 13:32 ` [Qemu-devel] [PATCH 28/29] block: add close notifiers Paolo Bonzini
2012-10-19 13:32 ` [Qemu-devel] [PATCH 29/29] qmp: add NBD server commands Paolo Bonzini
2012-10-22 15:59 ` [Qemu-devel] [PULL 00/29] qemu-sockets error propagation + NBD server Markus Armbruster
2012-10-22 19:53 ` Anthony Liguori
2012-10-23 12:34 ` Paolo Bonzini
2012-10-23 15:27 ` Paolo Bonzini
2012-10-23 21:24 ` Paolo Bonzini
2012-10-26 15:33 ` Anthony Liguori
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