From: Mao Zhongyi <maozy.fnst@cn.fujitsu.com>
To: qemu-devel@nongnu.org
Cc: jasowang@redhat.com, armbru@redhat.com
Subject: [Qemu-devel] [PATCH v5 2/4] net/socket: Convert error message to Error
Date: Tue, 27 Jun 2017 11:24:40 +0800 [thread overview]
Message-ID: <598314a0acefb6df093882fc61074dbf39c66a7f.1498530543.git.maozy.fnst@cn.fujitsu.com> (raw)
In-Reply-To: <cover.1498530543.git.maozy.fnst@cn.fujitsu.com>
Currently, net_socket_mcast_create(), net_socket_fd_init_dgram() and
net_socket_fd_init() use the function such as fprintf(), perror() to
report an error message.
Now, convert these functions to Error.
Cc: jasowang@redhat.com
Cc: armbru@redhat.com
Signed-off-by: Mao Zhongyi <maozy.fnst@cn.fujitsu.com>
---
net/socket.c | 76 ++++++++++++++++++++++++++++++++++++++----------------------
1 file changed, 48 insertions(+), 28 deletions(-)
diff --git a/net/socket.c b/net/socket.c
index 53765bd..e136f87 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -209,7 +209,9 @@ static void net_socket_send_dgram(void *opaque)
}
}
-static int net_socket_mcast_create(struct sockaddr_in *mcastaddr, struct in_addr *localaddr)
+static int net_socket_mcast_create(struct sockaddr_in *mcastaddr,
+ struct in_addr *localaddr,
+ Error **errp)
{
struct ip_mreq imr;
int fd;
@@ -221,8 +223,8 @@ static int net_socket_mcast_create(struct sockaddr_in *mcastaddr, struct in_addr
#endif
if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) {
- fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) "
- "does not contain a multicast address\n",
+ error_setg(errp, "qemu: error: specified mcastaddr %s (0x%08x) "
+ "does not contain a multicast address",
inet_ntoa(mcastaddr->sin_addr),
(int)ntohl(mcastaddr->sin_addr.s_addr));
return -1;
@@ -230,7 +232,8 @@ static int net_socket_mcast_create(struct sockaddr_in *mcastaddr, struct in_addr
}
fd = qemu_socket(PF_INET, SOCK_DGRAM, 0);
if (fd < 0) {
- perror("socket(PF_INET, SOCK_DGRAM)");
+ error_setg_errno(errp, errno, "Create socket(PF_INET, SOCK_DGRAM)"
+ " failed");
return -1;
}
@@ -242,13 +245,15 @@ static int net_socket_mcast_create(struct sockaddr_in *mcastaddr, struct in_addr
val = 1;
ret = qemu_setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val));
if (ret < 0) {
- perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
+ error_setg_errno(errp, errno, "Set the socket fd=%d attribute"
+ " SO_REUSEADDR failed", fd);
goto fail;
}
ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr));
if (ret < 0) {
- perror("bind");
+ error_setg_errno(errp, errno, "Bind ip=%s to fd=%d failed",
+ inet_ntoa(mcastaddr->sin_addr), fd);
goto fail;
}
@@ -263,7 +268,8 @@ static int net_socket_mcast_create(struct sockaddr_in *mcastaddr, struct in_addr
ret = qemu_setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
&imr, sizeof(struct ip_mreq));
if (ret < 0) {
- perror("setsockopt(IP_ADD_MEMBERSHIP)");
+ error_setg_errno(errp, errno, "Add socket fd=%d to multicast group %s"
+ " failed", fd, inet_ntoa(imr.imr_multiaddr));
goto fail;
}
@@ -272,7 +278,8 @@ static int net_socket_mcast_create(struct sockaddr_in *mcastaddr, struct in_addr
ret = qemu_setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP,
&loop, sizeof(loop));
if (ret < 0) {
- perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
+ error_setg_errno(errp, errno, "Force multicast message to loopback"
+ " failed");
goto fail;
}
@@ -281,7 +288,8 @@ static int net_socket_mcast_create(struct sockaddr_in *mcastaddr, struct in_addr
ret = qemu_setsockopt(fd, IPPROTO_IP, IP_MULTICAST_IF,
localaddr, sizeof(*localaddr));
if (ret < 0) {
- perror("setsockopt(IP_MULTICAST_IF)");
+ error_setg_errno(errp, errno, "Set the default network send "
+ "interfaec failed");
goto fail;
}
}
@@ -320,7 +328,8 @@ static NetClientInfo net_dgram_socket_info = {
static NetSocketState *net_socket_fd_init_dgram(NetClientState *peer,
const char *model,
const char *name,
- int fd, int is_connected)
+ int fd, int is_connected,
+ Error **errp)
{
struct sockaddr_in saddr;
int newfd;
@@ -337,14 +346,13 @@ static NetSocketState *net_socket_fd_init_dgram(NetClientState *peer,
if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) {
/* must be bound */
if (saddr.sin_addr.s_addr == 0) {
- fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, "
- "cannot setup multicast dst addr\n", fd);
+ error_setg(errp, "qemu: error: init_dgram: fd=%d unbound, "
+ "cannot setup multicast dst addr", fd);
goto err;
}
/* clone dgram socket */
- newfd = net_socket_mcast_create(&saddr, NULL);
+ newfd = net_socket_mcast_create(&saddr, NULL, errp);
if (newfd < 0) {
- /* error already reported by net_socket_mcast_create() */
goto err;
}
/* clone newfd to fd, close newfd */
@@ -352,8 +360,8 @@ static NetSocketState *net_socket_fd_init_dgram(NetClientState *peer,
close(newfd);
} else {
- fprintf(stderr,
- "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
+ error_setg(errp,
+ "qemu: error: init_dgram: fd=%d failed getsockname(): %s",
fd, strerror(errno));
goto err;
}
@@ -432,24 +440,26 @@ static NetSocketState *net_socket_fd_init_stream(NetClientState *peer,
static NetSocketState *net_socket_fd_init(NetClientState *peer,
const char *model, const char *name,
- int fd, int is_connected)
+ int fd, int is_connected,
+ Error **errp)
{
int so_type = -1, optlen=sizeof(so_type);
if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type,
(socklen_t *)&optlen)< 0) {
- fprintf(stderr, "qemu: error: getsockopt(SO_TYPE) for fd=%d failed\n",
+ error_setg(errp, "qemu: error: getsockopt(SO_TYPE) for fd=%d failed",
fd);
closesocket(fd);
return NULL;
}
switch(so_type) {
case SOCK_DGRAM:
- return net_socket_fd_init_dgram(peer, model, name, fd, is_connected);
+ return net_socket_fd_init_dgram(peer, model, name, fd, is_connected,
+ errp);
case SOCK_STREAM:
return net_socket_fd_init_stream(peer, model, name, fd, is_connected);
default:
- error_report("qemu: error: socket type=%d for fd=%d is not"
+ error_setg(errp, "qemu: error: socket type=%d for fd=%d is not"
" SOCK_DGRAM or SOCK_STREAM", so_type, fd);
closesocket(fd);
}
@@ -536,6 +546,7 @@ static int net_socket_connect_init(NetClientState *peer,
NetSocketState *s;
int fd, connected, ret;
struct sockaddr_in saddr;
+ Error *err = NULL;
if (parse_host_port(&saddr, host_str) < 0)
return -1;
@@ -567,9 +578,11 @@ static int net_socket_connect_init(NetClientState *peer,
break;
}
}
- s = net_socket_fd_init(peer, model, name, fd, connected);
- if (!s)
+ s = net_socket_fd_init(peer, model, name, fd, connected, &err);
+ if (!s) {
+ error_report_err(err);
return -1;
+ }
snprintf(s->nc.info_str, sizeof(s->nc.info_str),
"socket: connect to %s:%d",
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
@@ -586,6 +599,7 @@ static int net_socket_mcast_init(NetClientState *peer,
int fd;
struct sockaddr_in saddr;
struct in_addr localaddr, *param_localaddr;
+ Error *err = NULL;
if (parse_host_port(&saddr, host_str) < 0)
return -1;
@@ -598,13 +612,17 @@ static int net_socket_mcast_init(NetClientState *peer,
param_localaddr = NULL;
}
- fd = net_socket_mcast_create(&saddr, param_localaddr);
- if (fd < 0)
+ fd = net_socket_mcast_create(&saddr, param_localaddr, &err);
+ if (fd < 0) {
+ error_report_err(err);
return -1;
+ }
- s = net_socket_fd_init(peer, model, name, fd, 0);
- if (!s)
+ s = net_socket_fd_init(peer, model, name, fd, 0, &err);
+ if (!s) {
+ error_report_err(err);
return -1;
+ }
s->dgram_dst = saddr;
@@ -624,6 +642,7 @@ static int net_socket_udp_init(NetClientState *peer,
NetSocketState *s;
int fd, ret;
struct sockaddr_in laddr, raddr;
+ Error *err = NULL;
if (parse_host_port(&laddr, lhost) < 0) {
return -1;
@@ -652,8 +671,9 @@ static int net_socket_udp_init(NetClientState *peer,
}
qemu_set_nonblock(fd);
- s = net_socket_fd_init(peer, model, name, fd, 0);
+ s = net_socket_fd_init(peer, model, name, fd, 0, &err);
if (!s) {
+ error_report_err(err);
return -1;
}
@@ -696,7 +716,7 @@ int net_init_socket(const Netdev *netdev, const char *name,
return -1;
}
qemu_set_nonblock(fd);
- if (!net_socket_fd_init(peer, "socket", name, fd, 1)) {
+ if (!net_socket_fd_init(peer, "socket", name, fd, 1, errp)) {
return -1;
}
return 0;
--
2.9.4
next prev parent reply other threads:[~2017-06-27 3:25 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-27 3:24 [Qemu-devel] [PATCH v5 0/4] Improve error reporting Mao Zhongyi
2017-06-27 3:24 ` [Qemu-devel] [PATCH v5 1/4] net/socket: Don't treat odd socket type as SOCK_STREAM Mao Zhongyi
2017-06-27 3:24 ` Mao Zhongyi [this message]
2017-06-27 7:43 ` [Qemu-devel] [PATCH v5 2/4] net/socket: Convert error message to Error Markus Armbruster
2017-06-28 4:07 ` Mao Zhongyi
2017-06-27 3:24 ` [Qemu-devel] [PATCH v5 3/4] net/net: Convert parse_host_port() " Mao Zhongyi
2017-06-27 8:04 ` Markus Armbruster
2017-06-28 4:08 ` Mao Zhongyi
2017-06-28 5:51 ` Markus Armbruster
2017-06-28 8:02 ` Paolo Bonzini
2017-06-28 10:56 ` Markus Armbruster
2017-06-28 13:01 ` Mao Zhongyi
2017-06-27 3:24 ` [Qemu-devel] [PATCH v5 4/4] net/socket: Improve -net socket error reporting Mao Zhongyi
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