static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan,

                                                const char *model,

                                                const char *name,

                                                int fd, int is_connected)

{

    struct sockaddr_in saddr;

    int newfd;

    socklen_t saddr_len;

    VLANClientState *nc;

    NetSocketState *s;



    /* fd passed: multicast: "learn" dgram_dst address from bound address and save it

     * Because this may be "shared" socket from a "master" process, datagrams would be recv()

     * by ONLY ONE process: we must "clone" this dgram socket --jjo

     */



    if (is_connected) {

        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);

                return NULL;

            }

            /* clone dgram socket */

            newfd = net_socket_mcast_create(&saddr, NULL);

            if (newfd < 0) {

                /* error already reported by net_socket_mcast_create() */

                close(fd);

                return NULL;

            }

            /* clone newfd to fd, close newfd */

            dup2(newfd, fd);

            close(newfd);



        } else {

            fprintf(stderr,

                    "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",

                    fd, strerror(errno));

            return NULL;

        }

    }



    nc = qemu_new_net_client(&net_dgram_socket_info, vlan, NULL, model, name);



    snprintf(nc->info_str, sizeof(nc->info_str),

            "socket: fd=%d (%s mcast=%s:%d)",

            fd, is_connected ? "cloned" : "",

            inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));



    s = DO_UPCAST(NetSocketState, nc, nc);



    s->fd = fd;



    qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);



    /* mcast: save bound address as dst */

    if (is_connected) s->dgram_dst=saddr;



    return s;

}

static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan,

                                                const char *model,

                                                const char *name,

                                                int fd, int is_connected)

{

    struct sockaddr_in saddr;

    int newfd;

    socklen_t saddr_len;

    VLANClientState *nc;

    NetSocketState *s;



    









    if (is_connected) {

        if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) {

            

            if (saddr.sin_addr.s_addr == 0) {

                fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, "

                        "cannot setup multicast dst addr\n", fd);

                return NULL;

            }

            

            newfd = net_socket_mcast_create(&saddr, NULL);

            if (newfd < 0) {

                

                close(fd);

                return NULL;

            }

            

            dup2(newfd, fd);

            close(newfd);



        } else {

            fprintf(stderr,

                    "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",

                    fd, strerror(errno));

            return NULL;

        }

    }



    nc = qemu_new_net_client(&net_dgram_socket_info, vlan, NULL, model, name);



    snprintf(nc->info_str, sizeof(nc->info_str),

            "socket: fd=%d (%s mcast=%s:%d)",

            fd, is_connected ? "cloned" : "",

            inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));



    s = DO_UPCAST(NetSocketState, nc, nc);



    s->fd = fd;



    qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);



    

    if (is_connected) s->dgram_dst=saddr;



    return s;

}

                return NULL;                 close(fd);                 return NULL;             return NULL;
static NetSocketState *FUNC_0(VLANState *vlan,

                                                const char *model,

                                                const char *name,

                                                int fd, int is_connected)

{

    struct sockaddr_in VAR_0;

    int VAR_1;

    socklen_t saddr_len;

    VLANClientState *nc;

    NetSocketState *s;



    









    if (is_connected) {

        if (getsockname(fd, (struct sockaddr *) &VAR_0, &saddr_len) == 0) {

            

            if (VAR_0.sin_addr.s_addr == 0) {

                fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, "

                        "cannot setup multicast dst addr\n", fd);

                return NULL;

            }

            

            VAR_1 = net_socket_mcast_create(&VAR_0, NULL);

            if (VAR_1 < 0) {

                

                close(fd);

                return NULL;

            }

            

            dup2(VAR_1, fd);

            close(VAR_1);



        } else {

            fprintf(stderr,

                    "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",

                    fd, strerror(errno));

            return NULL;

        }

    }



    nc = qemu_new_net_client(&net_dgram_socket_info, vlan, NULL, model, name);



    snprintf(nc->info_str, sizeof(nc->info_str),

            "socket: fd=%d (%s mcast=%s:%d)",

            fd, is_connected ? "cloned" : "",

            inet_ntoa(VAR_0.sin_addr), ntohs(VAR_0.sin_port));



    s = DO_UPCAST(NetSocketState, nc, nc);



    s->fd = fd;



    qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);



    

    if (is_connected) s->dgram_dst=VAR_0;



    return s;

}

static NetSocketState *FUNC_0(VLANState *vlan,
const char *model,
const char *name,
int fd, int is_connected)
{ struct sockaddr_in VAR_0; int VAR_1; socklen_t saddr_len; VLANClientState *nc; NetSocketState *s; if (is_connected) { if (getsockname(fd, (struct sockaddr *) &VAR_0, &saddr_len) == 0) { if (VAR_0.sin_addr.s_addr == 0) { fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, "
"cannot setup multicast dst addr\n", fd); return NULL; } VAR_1 = net_socket_mcast_create(&VAR_0, NULL); if (VAR_1 < 0) { close(fd); return NULL; } dup2(VAR_1, fd); close(VAR_1); } else { fprintf(stderr,
"qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
fd, strerror(errno)); return NULL; } } nc = qemu_new_net_client(&net_dgram_socket_info, vlan, NULL, model, name); snprintf(nc->info_str, sizeof(nc->info_str),
"socket: fd=%d (%s mcast=%s:%d)",
fd, is_connected ? "cloned" : "",
inet_ntoa(VAR_0.sin_addr), ntohs(VAR_0.sin_port)); s = DO_UPCAST(NetSocketState, nc, nc); s->fd = fd; qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s); if (is_connected) s->dgram_dst=VAR_0; return s; }