static int linux_netlink_read_message(void)
{
char buffer[1024]; // XXX changed from unsigned char to char because the first argument of linux_netlink_parse is char *
struct iovec iov = {.iov_base = buffer, .iov_len = sizeof(buffer)};
struct msghdr meh = { .msg_iov=&iov, .msg_iovlen=1,
.msg_name=&snl, .msg_namelen=sizeof(snl)
};
const char *sys_name = NULL;
uint8_t busnum, devaddr;
int detached, r;
size_t len;
/* read netlink message */
memset(buffer, 0, sizeof(buffer));
len = recvmsg(linux_netlink_socket, &meh, 0);
if (len < 32) {
if (errno != EAGAIN)
usbi_dbg("error recieving message from netlink");
return -1;
}
/* TODO -- authenticate this message is from the kernel or udevd */
r = linux_netlink_parse(buffer, len, &detached, &sys_name, &busnum, &devaddr);
if (r)
return r;
usbi_dbg("netlink hotplug found device busnum: %hhu, devaddr: %hhu, sys_name: %s, removed: %s",
busnum, devaddr, sys_name, detached ? "yes" : "no");
/* signal device is available (or not) to all contexts */
if (detached)
linux_device_disconnected(busnum, devaddr, sys_name);
else
linux_hotplug_enumerate(busnum, devaddr, sys_name);
return 0;
}
static void *linux_netlink_event_thread_main(void *arg)
{
char dummy;
int r;
struct pollfd fds[] = {
{ .fd = netlink_control_pipe[0],
.events = POLLIN
},
{ .fd = linux_netlink_socket,
.events = POLLIN
},
};
static int linux_netlink_read_message(void)
{
unsigned char buffer[1024];
struct iovec iov = {.iov_base = buffer, .iov_len = sizeof(buffer)};
struct msghdr meh = { .msg_iov=&iov, .msg_iovlen=1,
.msg_name=&snl, .msg_namelen=sizeof(snl) };
const char *sys_name = NULL;
uint8_t busnum, devaddr;
int detached, r;
size_t len;
memset(buffer, 0, sizeof(buffer));
len = recvmsg(linux_netlink_socket, &meh, 0);
if (len < 32) {
if (errno != EAGAIN)
usbi_dbg("error recieving message from netlink");
return -1;
}
r = linux_netlink_parse(buffer, len, &detached, &sys_name,
&busnum, &devaddr);
if (r)
return r;
usbi_dbg("netlink hotplug found device busnum: %hhu, devaddr: %hhu, sys_name: %s, removed: %s",
busnum, devaddr, sys_name, detached ? "yes" : "no");
if (detached)
linux_device_disconnected(busnum, devaddr, sys_name);
else
linux_hotplug_enumerate(busnum, devaddr, sys_name);
return 0;
}
static void *linux_netlink_event_thread_main(void *arg)
{
char dummy;
int r;
struct pollfd fds[] = {
{ .fd = netlink_control_pipe[0],
.events = POLLIN },
{ .fd = linux_netlink_socket,
.events = POLLIN },
};
