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Re: [Qemu-devel] [PATCH 2/4] net/socket: allow ipv6 for net_socket_liste
From: |
Kevin Wolf |
Subject: |
Re: [Qemu-devel] [PATCH 2/4] net/socket: allow ipv6 for net_socket_listen_init and socket_connect_init |
Date: |
Fri, 24 Feb 2012 10:25:32 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:10.0.1) Gecko/20120209 Thunderbird/10.0.1 |
Am 10.02.2012 07:27, schrieb Amos Kong:
> Remove use of parse_host_port.
> More SO_SOCKADDR changes.
>
> Signed-off-by: Juan Quintela <address@hidden>
> Signed-off-by: Amos Kong <address@hidden>
> ---
> net/socket.c | 60
> +++++++++++-----------------------------------------------
> 1 files changed, 11 insertions(+), 49 deletions(-)
>
> diff --git a/net/socket.c b/net/socket.c
> index d4c2002..439a69c 100644
> --- a/net/socket.c
> +++ b/net/socket.c
> @@ -403,29 +403,13 @@ static int net_socket_listen_init(VLANState *vlan,
> const char *host_str)
> {
> NetSocketListenState *s;
> - int fd, val, ret;
> - struct sockaddr_in saddr;
> -
> - if (parse_host_port(&saddr, host_str) < 0)
> - return -1;
> + int fd, ret;
>
> s = g_malloc0(sizeof(NetSocketListenState));
>
> - fd = qemu_socket(PF_INET, SOCK_STREAM, 0);
> - if (fd < 0) {
> - perror("socket");
> - g_free(s);
> - return -1;
> - }
> - socket_set_nonblock(fd);
> -
> - /* allow fast reuse */
> - val = 1;
> - setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val,
> sizeof(val));
> -
> - ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr));
> + ret = tcp_server_start(host_str, &fd);
> if (ret < 0) {
> - perror("bind");
> + fprintf(stderr, "tcp_server_start: %s\n", strerror(ret));
error_report, and it should be strerror(-ret).
> g_free(s);
> closesocket(fd);
> return -1;
> @@ -451,41 +435,19 @@ 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");
> + ret = tcp_client_start(host_str, &fd);
> + if (ret == -EINPROGRESS || ret == -EWOULDBLOCK) {
> + connected = 0;
> + } else if (ret < 0) {
> + closesocket(fd);
There is no open fd in this case. The only time that fd != -1 and ret <
0 is for -EINPROGRESS and -EWOULDBLOCK.
> return -1;
> + } else {
> + connected = 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;
> -#ifdef _WIN32
> - } else if (err == WSAEALREADY || err == WSAEINVAL) {
> - break;
> -#endif
This part is lost without replacement?
> - } else {
> - perror("connect");
> - closesocket(fd);
tcp_client_start uses close() instead of closesocket() in error case,
should probably be changed.
Kevin
- [Qemu-devel] [PATCH 0/4] support to migrate with IPv6 address, Amos Kong, 2012/02/10
- [Qemu-devel] [PATCH 1/4] Use getaddrinfo for migration, Amos Kong, 2012/02/10
- [Qemu-devel] [PATCH 2/4] net/socket: allow ipv6 for net_socket_listen_init and socket_connect_init, Amos Kong, 2012/02/10
- Re: [Qemu-devel] [PATCH 2/4] net/socket: allow ipv6 for net_socket_listen_init and socket_connect_init,
Kevin Wolf <=
- [Qemu-devel] [PATCH 3/4] net: split hostname and service by last colon, Amos Kong, 2012/02/10
- [Qemu-devel] [PATCH 4/4] net: support to include ipv6 address by brackets, Amos Kong, 2012/02/10
- Re: [Qemu-devel] [PATCH 0/4] support to migrate with IPv6 address, Kevin Wolf, 2012/02/24