On 03/05/2012 12:03 PM, Amos Kong wrote:
> Use tcp_client_start() in those two functions:
> tcp_start_outgoing_migration()
> net_socket_connect_init()
>
> Signed-off-by: Amos Kong <[email protected]>
> ---
> migration-tcp.c | 41 +++++++++++++----------------------------
> net/socket.c | 41 +++++++++++------------------------------
> 2 files changed, 24 insertions(+), 58 deletions(-)
>
> diff --git a/migration-tcp.c b/migration-tcp.c
> index ecadd10..4f89bff 100644
> --- a/migration-tcp.c
> +++ b/migration-tcp.c
> @@ -81,43 +81,28 @@ static void tcp_wait_for_connect(void *opaque)
>
> int tcp_start_outgoing_migration(MigrationState *s, const char *host_port)
> {
> - struct sockaddr_in addr;
> int ret;
> -
> - ret = parse_host_port(&addr, host_port);
> - if (ret < 0) {
> - return ret;
> - }
> + int fd;
>
> s->get_error = socket_errno;
> s->write = socket_write;
> s->close = tcp_close;
>
> - s->fd = qemu_socket(PF_INET, SOCK_STREAM, 0);
> - if (s->fd == -1) {
> - DPRINTF("Unable to open socket");
> - return -socket_error();
> - }
> -
> - socket_set_nonblock(s->fd);
> -
> - do {
> - ret = connect(s->fd, (struct sockaddr *)&addr, sizeof(addr));
> - if (ret == -1) {
> - ret = -socket_error();
> - }
> - if (ret == -EINPROGRESS || ret == -EWOULDBLOCK) {
> - qemu_set_fd_handler2(s->fd, NULL, NULL, tcp_wait_for_connect, s);
> - return 0;
> - }
> - } while (ret == -EINTR);
> -
> - if (ret < 0) {
> + ret = tcp_client_start(host_port, &fd);
> + s->fd = fd;
you don't need fd you can pass s->fd to the function.
Orit
> + if (ret == -EINPROGRESS || ret == -EWOULDBLOCK) {
> + DPRINTF("connect in progress");
> + qemu_set_fd_handler2(s->fd, NULL, NULL, tcp_wait_for_connect, s);
> + } else if (ret < 0) {
> DPRINTF("connect failed\n");
> - migrate_fd_error(s);
> + if (ret != -EINVAL) {
> + migrate_fd_error(s);
> + }
> return ret;
> + } else {
> + migrate_fd_connect(s);
> }
> - migrate_fd_connect(s);
> +
> return 0;
> }
>
> diff --git a/net/socket.c b/net/socket.c
> index 5feb3d2..b7cd8ec 100644
> --- a/net/socket.c
> +++ b/net/socket.c
> @@ -434,41 +434,22 @@ static int net_socket_connect_init(VLANState *vlan,
> const char *host_str)
> {
> NetSocketState *s;
> - int fd, connected, ret, err;
> + int fd, connected, ret;
> struct sockaddr_in saddr;
>
> - if (parse_host_port(&saddr, host_str) < 0)
> - return -1;
> -
> - fd = qemu_socket(PF_INET, SOCK_STREAM, 0);
> - if (fd < 0) {
> - perror("socket");
> - return -1;
> - }
> - socket_set_nonblock(fd);
> -
> - connected = 0;
> - for(;;) {
> - ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr));
> - if (ret < 0) {
> - err = socket_error();
> - if (err == EINTR || err == EWOULDBLOCK) {
> - } else if (err == EINPROGRESS) {
> - break;
> + ret = tcp_client_start(host_str, &fd);
> + if (ret == -EINPROGRESS || ret == -EWOULDBLOCK) {
> + connected = 0;
> #ifdef _WIN32
> - } else if (err == WSAEALREADY || err == WSAEINVAL) {
> - break;
> + } else if (ret == -WSAEALREADY || ret == -WSAEINVAL) {
> + connected = 0;
> #endif
> - } else {
> - perror("connect");
> - closesocket(fd);
> - return -1;
> - }
> - } else {
> - connected = 1;
> - break;
> - }
> + } else if (ret < 0) {
> + return -1;
> + } else {
> + connected = 1;
> }
> +
> s = net_socket_fd_init(vlan, model, name, fd, connected);
> if (!s)
> return -1;
>
>
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