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GET /api/patches/809713/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 809713,
    "url": "http://patchwork.ozlabs.org/api/patches/809713/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/81411b5c110b874a19c63cea528d1c913bd2bce3.1504533674.git.maozy.fnst@cn.fujitsu.com/",
    "project": {
        "id": 14,
        "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api",
        "name": "QEMU Development",
        "link_name": "qemu-devel",
        "list_id": "qemu-devel.nongnu.org",
        "list_email": "qemu-devel@nongnu.org",
        "web_url": "",
        "scm_url": "",
        "webscm_url": "",
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<81411b5c110b874a19c63cea528d1c913bd2bce3.1504533674.git.maozy.fnst@cn.fujitsu.com>",
    "list_archive_url": null,
    "date": "2017-09-04T14:35:38",
    "name": "[v9,2/4] net/socket: Convert several helper functions to Error",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "2bebbf5d71c0215a165ed13f9671ebaa9029a6a1",
    "submitter": {
        "id": 71231,
        "url": "http://patchwork.ozlabs.org/api/people/71231/?format=api",
        "name": "Mao Zhongyi",
        "email": "maozy.fnst@cn.fujitsu.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/81411b5c110b874a19c63cea528d1c913bd2bce3.1504533674.git.maozy.fnst@cn.fujitsu.com/mbox/",
    "series": [
        {
            "id": 1398,
            "url": "http://patchwork.ozlabs.org/api/series/1398/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=1398",
            "date": "2017-09-04T14:35:37",
            "name": "Improve error reporting",
            "version": 9,
            "mbox": "http://patchwork.ozlabs.org/series/1398/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/809713/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/809713/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>",
        "X-Original-To": "incoming@patchwork.ozlabs.org",
        "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org",
        "Authentication-Results": "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=<UNKNOWN>)",
        "Received": [
            "from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xmCLf1brqz9sNc\n\tfor <incoming@patchwork.ozlabs.org>;\n\tTue,  5 Sep 2017 00:45:13 +1000 (AEST)",
            "from localhost ([::1]:48277 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>)\n\tid 1dosci-000313-1B\n\tfor incoming@patchwork.ozlabs.org; Mon, 04 Sep 2017 10:45:12 -0400",
            "from eggs.gnu.org ([2001:4830:134:3::10]:33643)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <maozy.fnst@cn.fujitsu.com>) id 1dosVe-0005oB-EU\n\tfor qemu-devel@nongnu.org; Mon, 04 Sep 2017 10:38:02 -0400",
            "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <maozy.fnst@cn.fujitsu.com>) id 1dosVZ-00040f-8i\n\tfor qemu-devel@nongnu.org; Mon, 04 Sep 2017 10:37:54 -0400",
            "from mail.cn.fujitsu.com ([183.91.158.132]:32749\n\thelo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <maozy.fnst@cn.fujitsu.com>) id 1dosVY-0003xu-Fd\n\tfor qemu-devel@nongnu.org; Mon, 04 Sep 2017 10:37:49 -0400",
            "from localhost (HELO cn.fujitsu.com) ([10.167.33.5])\n\tby heian.cn.fujitsu.com with ESMTP; 04 Sep 2017 22:37:40 +0800",
            "from G08CNEXCHPEKD03.g08.fujitsu.local (unknown [10.167.33.85])\n\tby cn.fujitsu.com (Postfix) with ESMTP id 80E904725549;\n\tMon,  4 Sep 2017 22:37:40 +0800 (CST)",
            "from maozy.g08.fujitsu.local (10.167.225.76) by\n\tG08CNEXCHPEKD03.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP\n\tServer (TLS) id 14.3.361.1; Mon, 4 Sep 2017 22:37:45 +0800"
        ],
        "X-IronPort-AV": "E=Sophos;i=\"5.41,475,1498492800\"; d=\"scan'208\";a=\"25197758\"",
        "From": "Mao Zhongyi <maozy.fnst@cn.fujitsu.com>",
        "To": "<qemu-devel@nongnu.org>",
        "Date": "Mon, 4 Sep 2017 22:35:38 +0800",
        "Message-ID": "<81411b5c110b874a19c63cea528d1c913bd2bce3.1504533674.git.maozy.fnst@cn.fujitsu.com>",
        "X-Mailer": "git-send-email 2.9.4",
        "In-Reply-To": "<cover.1504533674.git.maozy.fnst@cn.fujitsu.com>",
        "References": "<cover.1504533674.git.maozy.fnst@cn.fujitsu.com>",
        "MIME-Version": "1.0",
        "Content-Type": "text/plain",
        "X-Originating-IP": "[10.167.225.76]",
        "X-yoursite-MailScanner-ID": "80E904725549.A0109",
        "X-yoursite-MailScanner": "Found to be clean",
        "X-yoursite-MailScanner-From": "maozy.fnst@cn.fujitsu.com",
        "X-detected-operating-system": "by eggs.gnu.org: Genre and OS details not\n\trecognized.",
        "X-Received-From": "183.91.158.132",
        "Subject": "[Qemu-devel] [PATCH v9 2/4] net/socket: Convert several helper\n\tfunctions to Error",
        "X-BeenThere": "qemu-devel@nongnu.org",
        "X-Mailman-Version": "2.1.21",
        "Precedence": "list",
        "List-Id": "<qemu-devel.nongnu.org>",
        "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>",
        "List-Archive": "<http://lists.nongnu.org/archive/html/qemu-devel/>",
        "List-Post": "<mailto:qemu-devel@nongnu.org>",
        "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>",
        "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>",
        "Cc": "jasowang@redhat.com, armbru@redhat.com",
        "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org",
        "Sender": "\"Qemu-devel\"\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>"
    },
    "content": "Currently, net_socket_mcast_create(), net_socket_fd_init_dgram() and\nnet_socket_fd_init() use the function such as fprintf(), perror() to\nreport an error message.\n\nNow, convert these functions to Error.\n\nCc: jasowang@redhat.com\nCc: armbru@redhat.com\nCc: berrange@redhat.com\nSigned-off-by: Mao Zhongyi <maozy.fnst@cn.fujitsu.com>\nReviewed-by: Daniel P. Berrange <berrange@redhat.com>\nReviewed-by: Markus Armbruster <armbru@redhat.com>\n---\n net/socket.c | 82 ++++++++++++++++++++++++++++++++++++------------------------\n 1 file changed, 50 insertions(+), 32 deletions(-)",
    "diff": "diff --git a/net/socket.c b/net/socket.c\nindex b4c5a04..00f9796 100644\n--- a/net/socket.c\n+++ b/net/socket.c\n@@ -209,7 +209,9 @@ static void net_socket_send_dgram(void *opaque)\n     }\n }\n \n-static int net_socket_mcast_create(struct sockaddr_in *mcastaddr, struct in_addr *localaddr)\n+static int net_socket_mcast_create(struct sockaddr_in *mcastaddr,\n+                                   struct in_addr *localaddr,\n+                                   Error **errp)\n {\n     struct ip_mreq imr;\n     int fd;\n@@ -221,16 +223,16 @@ static int net_socket_mcast_create(struct sockaddr_in *mcastaddr, struct in_addr\n #endif\n \n     if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) {\n-        fprintf(stderr, \"qemu: error: specified mcastaddr \\\"%s\\\" (0x%08x) \"\n-                \"does not contain a multicast address\\n\",\n-                inet_ntoa(mcastaddr->sin_addr),\n-                (int)ntohl(mcastaddr->sin_addr.s_addr));\n+        error_setg(errp, \"specified mcastaddr %s (0x%08x) \"\n+                   \"does not contain a multicast address\",\n+                   inet_ntoa(mcastaddr->sin_addr),\n+                   (int)ntohl(mcastaddr->sin_addr.s_addr));\n         return -1;\n-\n     }\n+\n     fd = qemu_socket(PF_INET, SOCK_DGRAM, 0);\n     if (fd < 0) {\n-        perror(\"socket(PF_INET, SOCK_DGRAM)\");\n+        error_setg_errno(errp, errno, \"can't create datagram socket\");\n         return -1;\n     }\n \n@@ -242,13 +244,15 @@ static int net_socket_mcast_create(struct sockaddr_in *mcastaddr, struct in_addr\n     val = 1;\n     ret = qemu_setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val));\n     if (ret < 0) {\n-        perror(\"setsockopt(SOL_SOCKET, SO_REUSEADDR)\");\n+        error_setg_errno(errp, errno,\n+                         \"can't set socket option SO_REUSEADDR\");\n         goto fail;\n     }\n \n     ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr));\n     if (ret < 0) {\n-        perror(\"bind\");\n+        error_setg_errno(errp, errno, \"can't bind ip=%s to socket\",\n+                         inet_ntoa(mcastaddr->sin_addr));\n         goto fail;\n     }\n \n@@ -263,7 +267,9 @@ static int net_socket_mcast_create(struct sockaddr_in *mcastaddr, struct in_addr\n     ret = qemu_setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP,\n                           &imr, sizeof(struct ip_mreq));\n     if (ret < 0) {\n-        perror(\"setsockopt(IP_ADD_MEMBERSHIP)\");\n+        error_setg_errno(errp, errno,\n+                         \"can't add socket to multicast group %s\",\n+                         inet_ntoa(imr.imr_multiaddr));\n         goto fail;\n     }\n \n@@ -272,7 +278,8 @@ static int net_socket_mcast_create(struct sockaddr_in *mcastaddr, struct in_addr\n     ret = qemu_setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP,\n                           &loop, sizeof(loop));\n     if (ret < 0) {\n-        perror(\"setsockopt(SOL_IP, IP_MULTICAST_LOOP)\");\n+        error_setg_errno(errp, errno,\n+                         \"can't force multicast message to loopback\");\n         goto fail;\n     }\n \n@@ -281,7 +288,8 @@ static int net_socket_mcast_create(struct sockaddr_in *mcastaddr, struct in_addr\n         ret = qemu_setsockopt(fd, IPPROTO_IP, IP_MULTICAST_IF,\n                               localaddr, sizeof(*localaddr));\n         if (ret < 0) {\n-            perror(\"setsockopt(IP_MULTICAST_IF)\");\n+            error_setg_errno(errp, errno,\n+                             \"can't set the default network send interface\");\n             goto fail;\n         }\n     }\n@@ -321,7 +329,8 @@ static NetSocketState *net_socket_fd_init_dgram(NetClientState *peer,\n                                                 const char *model,\n                                                 const char *name,\n                                                 int fd, int is_connected,\n-                                                const char *mcast)\n+                                                const char *mcast,\n+                                                Error **errp)\n {\n     struct sockaddr_in saddr;\n     int newfd;\n@@ -335,21 +344,17 @@ static NetSocketState *net_socket_fd_init_dgram(NetClientState *peer,\n \n     if (is_connected && mcast != NULL) {\n             if (parse_host_port(&saddr, mcast) < 0) {\n-                fprintf(stderr,\n-                        \"qemu: error: init_dgram: fd=%d failed parse_host_port()\\n\",\n-                        fd);\n+                error_setg(errp, \"fd=%d failed parse_host_port()\", fd);\n                 goto err;\n             }\n             /* must be bound */\n             if (saddr.sin_addr.s_addr == 0) {\n-                fprintf(stderr, \"qemu: error: init_dgram: fd=%d unbound, \"\n-                        \"cannot setup multicast dst addr\\n\", fd);\n+                error_setg(errp, \"can't setup multicast destination address\");\n                 goto err;\n             }\n             /* clone dgram socket */\n-            newfd = net_socket_mcast_create(&saddr, NULL);\n+            newfd = net_socket_mcast_create(&saddr, NULL, errp);\n             if (newfd < 0) {\n-                /* error already reported by net_socket_mcast_create() */\n                 goto err;\n             }\n             /* clone newfd to fd, close newfd */\n@@ -431,20 +436,21 @@ static NetSocketState *net_socket_fd_init_stream(NetClientState *peer,\n \n static NetSocketState *net_socket_fd_init(NetClientState *peer,\n                                           const char *model, const char *name,\n-                                          int fd, int is_connected, const char *mc)\n+                                          int fd, int is_connected,\n+                                          const char *mc, Error **errp)\n {\n     int so_type = -1, optlen=sizeof(so_type);\n \n     if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type,\n         (socklen_t *)&optlen)< 0) {\n-        fprintf(stderr, \"qemu: error: getsockopt(SO_TYPE) for fd=%d failed\\n\",\n-                fd);\n+        error_setg(errp, \"can't get socket option SO_TYPE\");\n         closesocket(fd);\n         return NULL;\n     }\n     switch(so_type) {\n     case SOCK_DGRAM:\n-        return net_socket_fd_init_dgram(peer, model, name, fd, is_connected, mc);\n+        return net_socket_fd_init_dgram(peer, model, name, fd, is_connected,\n+                                        mc, errp);\n     case SOCK_STREAM:\n         return net_socket_fd_init_stream(peer, model, name, fd, is_connected);\n     default:\n@@ -535,6 +541,7 @@ static int net_socket_connect_init(NetClientState *peer,\n     NetSocketState *s;\n     int fd, connected, ret;\n     struct sockaddr_in saddr;\n+    Error *err = NULL;\n \n     if (parse_host_port(&saddr, host_str) < 0)\n         return -1;\n@@ -566,9 +573,12 @@ static int net_socket_connect_init(NetClientState *peer,\n             break;\n         }\n     }\n-    s = net_socket_fd_init(peer, model, name, fd, connected, NULL);\n-    if (!s)\n+    s = net_socket_fd_init(peer, model, name, fd, connected, NULL, &err);\n+    if (!s) {\n+        error_report_err(err);\n         return -1;\n+    }\n+\n     snprintf(s->nc.info_str, sizeof(s->nc.info_str),\n              \"socket: connect to %s:%d\",\n              inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));\n@@ -585,6 +595,7 @@ static int net_socket_mcast_init(NetClientState *peer,\n     int fd;\n     struct sockaddr_in saddr;\n     struct in_addr localaddr, *param_localaddr;\n+    Error *err = NULL;\n \n     if (parse_host_port(&saddr, host_str) < 0)\n         return -1;\n@@ -597,13 +608,17 @@ static int net_socket_mcast_init(NetClientState *peer,\n         param_localaddr = NULL;\n     }\n \n-    fd = net_socket_mcast_create(&saddr, param_localaddr);\n-    if (fd < 0)\n+    fd = net_socket_mcast_create(&saddr, param_localaddr, &err);\n+    if (fd < 0) {\n+        error_report_err(err);\n         return -1;\n+    }\n \n-    s = net_socket_fd_init(peer, model, name, fd, 0, NULL);\n-    if (!s)\n+    s = net_socket_fd_init(peer, model, name, fd, 0, NULL, &err);\n+    if (!s) {\n+        error_report_err(err);\n         return -1;\n+    }\n \n     s->dgram_dst = saddr;\n \n@@ -623,6 +638,7 @@ static int net_socket_udp_init(NetClientState *peer,\n     NetSocketState *s;\n     int fd, ret;\n     struct sockaddr_in laddr, raddr;\n+    Error *err = NULL;\n \n     if (parse_host_port(&laddr, lhost) < 0) {\n         return -1;\n@@ -651,8 +667,9 @@ static int net_socket_udp_init(NetClientState *peer,\n     }\n     qemu_set_nonblock(fd);\n \n-    s = net_socket_fd_init(peer, model, name, fd, 0, NULL);\n+    s = net_socket_fd_init(peer, model, name, fd, 0, NULL, &err);\n     if (!s) {\n+        error_report_err(err);\n         return -1;\n     }\n \n@@ -695,7 +712,8 @@ int net_init_socket(const Netdev *netdev, const char *name,\n             return -1;\n         }\n         qemu_set_nonblock(fd);\n-        if (!net_socket_fd_init(peer, \"socket\", name, fd, 1, sock->mcast)) {\n+        if (!net_socket_fd_init(peer, \"socket\", name, fd, 1, sock->mcast,\n+                                errp)) {\n             return -1;\n         }\n         return 0;\n",
    "prefixes": [
        "v9",
        "2/4"
    ]
}