X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=netlink.c;fp=netlink.c;h=0000000000000000000000000000000000000000;hb=f93eca3530bef2cc23ffe6c3a04493ad171c2aed;hp=12897498daf6acb12fad9fdde6c125d2559d77b4;hpb=42c9b99f2bb21d0ff1f1918314f9d5dd82a62763;p=catta

diff --git a/netlink.c b/netlink.c
deleted file mode 100644
index 1289749..0000000
--- a/netlink.c
+++ /dev/null
@@ -1,162 +0,0 @@
-#include <unistd.h>
-#include <errno.h>
-#include <string.h>
-
-#include "netlink.h"
-
-struct _AvahiNetlink {
-    GMainContext *context;
-    gint fd;
-    guint seq;
-    GPollFD poll_fd;
-    GSource *source;
-    void (*callback) (AvahiNetlink *nl, struct nlmsghdr *n, gpointer userdata);
-    gpointer userdata;
-};
-
-gboolean avahi_netlink_work(AvahiNetlink *nl, gboolean block) {
-    g_assert(nl);
-
-    for (;;) {
-        guint8 replybuf[64*1024];
-        ssize_t bytes;
-        struct nlmsghdr *p = (struct nlmsghdr *) replybuf;
-
-        if ((bytes = recv(nl->fd, replybuf, sizeof(replybuf), block ? 0 : MSG_DONTWAIT)) < 0) {
-
-            if (errno == EAGAIN || errno == EINTR)
-                break;
-
-            g_warning("NETLINK: recv() failed");
-            return FALSE;
-        }
-
-        if (nl->callback) {
-            for (; bytes > 0; p = NLMSG_NEXT(p, bytes)) {
-                if (!NLMSG_OK(p, (size_t) bytes)) {
-                    g_warning("NETLINK: packet truncated");
-                    return FALSE;
-                }
-
-                nl->callback(nl, p, nl->userdata);
-            }
-        }
-
-        if (block)
-            break;
-    }
-
-    return TRUE;
-}
-
-static gboolean prepare_func(GSource *source, gint *timeout) {
-    g_assert(source);
-    g_assert(timeout);
-    
-    *timeout = -1;
-    return FALSE;
-}
-
-static gboolean check_func(GSource *source) {
-    AvahiNetlink* nl;
-    g_assert(source);
-
-    nl = *((AvahiNetlink**) (((guint8*) source) + sizeof(GSource)));
-    g_assert(nl);
-    
-    return nl->poll_fd.revents & (G_IO_IN|G_IO_HUP|G_IO_ERR);
-}
-
-static gboolean dispatch_func(GSource *source, GSourceFunc callback, gpointer user_data) {
-    AvahiNetlink* nl;
-    g_assert(source);
-
-    nl = *((AvahiNetlink**) (((guint8*) source) + sizeof(GSource)));
-    g_assert(nl);
-    
-    return avahi_netlink_work(nl, FALSE);
-}
-
-AvahiNetlink *avahi_netlink_new(GMainContext *context, gint priority, guint32 groups, void (*cb) (AvahiNetlink *nl, struct nlmsghdr *n, gpointer userdata), gpointer userdata) {
-    int fd;
-    struct sockaddr_nl addr;
-    AvahiNetlink *nl;
-
-    static GSourceFuncs source_funcs = {
-        prepare_func,
-        check_func,
-        dispatch_func,
-        NULL,
-        NULL,
-        NULL
-    };
-    
-    g_assert(context);
-    g_assert(cb);
-
-    if ((fd = socket(PF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE)) < 0) {
-        g_critical("NETLINK: socket(PF_NETLINK): %s", strerror(errno));
-        return NULL;
-    }
-    
-    memset(&addr, 0, sizeof(addr));
-    addr.nl_family = AF_NETLINK;
-    addr.nl_groups = groups;
-    addr.nl_pid = getpid();
-
-    if (bind(fd, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
-        close(fd);
-        g_critical("bind(): %s", strerror(errno));
-        return NULL;
-    }
-
-    nl = g_new(AvahiNetlink, 1);
-    nl->context = context;
-    g_main_context_ref(context);
-    nl->fd = fd;
-    nl->seq = 0;
-    nl->callback = cb;
-    nl->userdata = userdata;
-
-    nl->source = g_source_new(&source_funcs, sizeof(GSource) + sizeof(AvahiNetlink*));
-    *((AvahiNetlink**) (((guint8*) nl->source) + sizeof(GSource))) = nl;
-
-    g_source_set_priority(nl->source, priority);
-    
-    memset(&nl->poll_fd, 0, sizeof(GPollFD));
-    nl->poll_fd.fd = fd;
-    nl->poll_fd.events = G_IO_IN|G_IO_ERR|G_IO_HUP;
-    g_source_add_poll(nl->source, &nl->poll_fd);
-    
-    g_source_attach(nl->source, nl->context);
-    
-    return nl;
-}
-
-void avahi_netlink_free(AvahiNetlink *nl) {
-    g_assert(nl);
-    
-    g_source_destroy(nl->source);
-    g_source_unref(nl->source);
-    g_main_context_unref(nl->context);
-    close(nl->fd);
-    g_free(nl);
-}
-
-int avahi_netlink_send(AvahiNetlink *nl, struct nlmsghdr *m, guint *ret_seq) {
-    g_assert(nl);
-    g_assert(m);
-    
-    m->nlmsg_seq = nl->seq++;
-    m->nlmsg_flags |= NLM_F_ACK;
-
-    if (send(nl->fd, m, m->nlmsg_len, 0) < 0) {
-        g_warning("NETLINK: send(): %s\n", strerror(errno));
-        return -1;
-    }
-
-    if (ret_seq)
-        *ret_seq = m->nlmsg_seq;
-
-    return 0;
-}