diff options
| -rw-r--r-- | net/socket.c | 82 |
1 files changed, 50 insertions, 32 deletions
diff --git a/net/socket.c b/net/socket.c index b4c5a042a9..00f9796d5d 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; @@ -221,16 +223,16 @@ 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", - inet_ntoa(mcastaddr->sin_addr), - (int)ntohl(mcastaddr->sin_addr.s_addr)); + error_setg(errp, "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; - } + fd = qemu_socket(PF_INET, SOCK_DGRAM, 0); if (fd < 0) { - perror("socket(PF_INET, SOCK_DGRAM)"); + error_setg_errno(errp, errno, "can't create datagram socket"); return -1; } @@ -242,13 +244,15 @@ 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, + "can't set socket option SO_REUSEADDR"); goto fail; } ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr)); if (ret < 0) { - perror("bind"); + error_setg_errno(errp, errno, "can't bind ip=%s to socket", + inet_ntoa(mcastaddr->sin_addr)); goto fail; } @@ -263,7 +267,9 @@ 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, + "can't add socket to multicast group %s", + 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, + "can't force multicast message to loopback"); 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, + "can't set the default network send interface"); goto fail; } } @@ -321,7 +329,8 @@ static NetSocketState *net_socket_fd_init_dgram(NetClientState *peer, const char *model, const char *name, int fd, int is_connected, - const char *mcast) + const char *mcast, + Error **errp) { struct sockaddr_in saddr; int newfd; @@ -335,21 +344,17 @@ static NetSocketState *net_socket_fd_init_dgram(NetClientState *peer, if (is_connected && mcast != NULL) { if (parse_host_port(&saddr, mcast) < 0) { - fprintf(stderr, - "qemu: error: init_dgram: fd=%d failed parse_host_port()\n", - fd); + error_setg(errp, "fd=%d failed parse_host_port()", fd); goto err; } /* 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, "can't setup multicast destination address"); 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 */ @@ -431,20 +436,21 @@ 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, const char *mc) + int fd, int is_connected, + const char *mc, 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", - fd); + error_setg(errp, "can't get socket option SO_TYPE"); closesocket(fd); return NULL; } switch(so_type) { case SOCK_DGRAM: - return net_socket_fd_init_dgram(peer, model, name, fd, is_connected, mc); + return net_socket_fd_init_dgram(peer, model, name, fd, is_connected, + mc, errp); case SOCK_STREAM: return net_socket_fd_init_stream(peer, model, name, fd, is_connected); default: @@ -535,6 +541,7 @@ 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; @@ -566,9 +573,12 @@ static int net_socket_connect_init(NetClientState *peer, break; } } - s = net_socket_fd_init(peer, model, name, fd, connected, NULL); - if (!s) + s = net_socket_fd_init(peer, model, name, fd, connected, NULL, &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)); @@ -585,6 +595,7 @@ 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; @@ -597,13 +608,17 @@ 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, NULL); - if (!s) + s = net_socket_fd_init(peer, model, name, fd, 0, NULL, &err); + if (!s) { + error_report_err(err); return -1; + } s->dgram_dst = saddr; @@ -623,6 +638,7 @@ 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; @@ -651,8 +667,9 @@ static int net_socket_udp_init(NetClientState *peer, } qemu_set_nonblock(fd); - s = net_socket_fd_init(peer, model, name, fd, 0, NULL); + s = net_socket_fd_init(peer, model, name, fd, 0, NULL, &err); if (!s) { + error_report_err(err); return -1; } @@ -695,7 +712,8 @@ 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, sock->mcast)) { + if (!net_socket_fd_init(peer, "socket", name, fd, 1, sock->mcast, + errp)) { return -1; } return 0; |