int process_uevent_message(int sock)
{
char buffer[64 * 1024];
char *s = buffer, *p;
char *end;
int count, param_idx = 0, ret;
struct uevent *event;
count = recv(sock, buffer, sizeof(buffer), 0);
if (count < 0) {
LOGE("Error receiving uevent (%s)", strerror(errno));
return -errno;
}
event = malloc(sizeof(struct uevent));
if (!event) {
LOGE("Error allcating memroy (%s)", strerror(errno));
return -errno;
}
memset(event, 0, sizeof(struct uevent));
end = s + count;
for (p = s; *p != '@'; p++)
;
p++;
event->path = strdup(p);
s += strlen(s) + 1;
LOGE("UEVENT %s\n",s);
while (s < end) {
if (!strncmp(s, "ACTION=", strlen("ACTION="))) {
char *a = s + strlen("ACTION=");
if (!strcmp(a, "add"))
event->action = action_add;
else if (!strcmp(a, "change"))
event->action = action_change;
else if (!strcmp(a, "remove"))
event->action = action_remove;
} else if (!strncmp(s, "SEQNUM=", strlen("SEQNUM=")))
event->seqnum = atoi(s + strlen("SEQNUM="));
else if (!strncmp(s, "SUBSYSTEM=", strlen("SUBSYSTEM=")))
event->subsystem = strdup(s + strlen("SUBSYSTEM="));
else
event->param[param_idx++] = strdup(s);
s += strlen(s) + 1;
}
ret = dispatch_uevent(event);
#if DEBUG_UEVENT
dump_uevent(event);
#endif
free_uevent(event);
return ret;
}
static int dispatch_uevent(struct uevent *event)
{
int i;
#if DEBUG_UEVENT
dump_uevent(event);
#endif
for (i = 0; dispatch_table[i].subsystem != NULL; i++) {
if (!strcmp(dispatch_table[i].subsystem, event->subsystem))
return dispatch_table[i].dispatch(event);
}
#if DEBUG_UEVENT
LOG_VOL("No uevent handlers registered for '%s' subsystem", event->subsystem);
#endif
return 0;
}
