Exemplo n.º 1
0
int process_uevent_message(int socket)
{
    char buffer[64 * 1024]; // Thank god we're not in the kernel :)
    int count;
    char *s = buffer;
    char *end;
    struct uevent *event;
    int param_idx = 0;
    int i;
    int first = 1;
    int rc = 0;

    if ((count = recv(socket, buffer, sizeof(buffer), 0)) < 0) {
        LOGE("Error receiving uevent (%s)", strerror(errno));
        return -errno;
    }

    if (!(event = malloc(sizeof(struct uevent)))) {
        LOGE("Error allocating memory (%s)", strerror(errno));
        return -errno;
    }

    memset(event, 0, sizeof(struct uevent));

    end = s + count;
    while (s < end) {
        if (first) {
            char *p;
            for (p = s; *p != '@'; p++);
            p++;
            event->path = strdup(p);
            first = 0;
        } else {
            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;
    }

    rc = dispatch_uevent(event);
    
    free_uevent(event);
    return rc;
}
Exemplo n.º 2
0
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;
}
Exemplo n.º 3
0
int simulate_uevent(char *subsys, char *path, char *action, char **params)
{
    struct uevent *event;
    char tmp[255];
    int i, rc;

    if (!(event = malloc(sizeof(struct uevent)))) {
        LOGE("Error allocating memory (%s)", strerror(errno));
        return -errno;
    }

    memset(event, 0, sizeof(struct uevent));

    event->subsystem = strdup(subsys);

    if (!strcmp(action, "add"))
        event->action = action_add;
    else if (!strcmp(action, "change"))
        event->action = action_change;
    else if (!strcmp(action, "remove"))
        event->action = action_remove;
    else {
        LOGE("Invalid action '%s'", action);
        return -1;
    }

    event->path = strdup(path);

    for (i = 0; i < UEVENT_PARAMS_MAX; i++) {
        if (!params[i])
            break;
        event->param[i] = strdup(params[i]);
    }

    rc = dispatch_uevent(event);
    free_uevent(event);
    return rc;
}