char * get_next_arg(char * buffer, char** end)
{
// skip arg
buffer = get_end_of_arg(buffer);
// skip space
buffer = prv_end_of_space(buffer);
if (NULL != end)
{
*end = get_end_of_arg(buffer);
}
return buffer;
}
static void prv_change(char * buffer,
void * user_data)
{
lwm2m_context_t * lwm2mH = (lwm2m_context_t *) user_data;
lwm2m_uri_t uri;
char * end = NULL;
int result;
end = get_end_of_arg(buffer);
if (end[0] == 0) goto syntax_error;
result = lwm2m_stringToUri(buffer, end - buffer, &uri);
if (result == 0) goto syntax_error;
buffer = get_next_arg(end, &end);
if (buffer[0] == 0)
{
fprintf(stderr, "report change!\n");
lwm2m_resource_value_changed(lwm2mH, &uri);
}
else
{
handle_value_changed(lwm2mH, &uri, buffer, end - buffer);
}
return;
syntax_error:
fprintf(stdout, "Syntax error !\n");
}
static void prv_object_dump(char * buffer,
void * user_data)
{
lwm2m_context_t * lwm2mH = (lwm2m_context_t *) user_data;
lwm2m_uri_t uri;
char * end = NULL;
int result;
lwm2m_object_t * objectP;
uint16_t i;
end = get_end_of_arg(buffer);
if (end[0] == 0) goto syntax_error;
result = lwm2m_stringToUri(buffer, end - buffer, &uri);
if (result == 0) goto syntax_error;
if (uri.flag & LWM2M_URI_FLAG_RESOURCE_ID) goto syntax_error;
objectP = prv_find_object(lwm2mH, uri.objectId);
if (objectP == NULL)
{
fprintf(stdout, "Object not found.\n");
return;
}
if (uri.flag & LWM2M_URI_FLAG_INSTANCE_ID)
{
prv_instance_dump(objectP, uri.instanceId);
}
else
{
lwm2m_list_t * instanceP;
for (instanceP = objectP->instanceList; instanceP != NULL ; instanceP = instanceP->next)
{
fprintf(stdout, "Instance %d:\r\n", instanceP->id);
prv_instance_dump(objectP, instanceP->id);
fprintf(stdout, "\r\n");
}
}
return;
syntax_error:
fprintf(stdout, "Syntax error !\n");
}
static void prv_bootstrap_client(char * buffer,
void * user_data)
{
internal_data_t * dataP = (internal_data_t *)user_data;
char * uri;
char * name;
char* end = NULL;
char * host;
char * port;
connection_t * newConnP = NULL;
uri = buffer;
end = get_end_of_arg(buffer);
if (end[0] != 0)
{
*end = 0;
buffer = end + 1;
name = get_next_arg(buffer, &end);
}
if (!check_end_of_args(end)) goto syntax_error;
// parse uri in the form "coaps://[host]:[port]"
if (0==strncmp(uri, "coaps://", strlen("coaps://"))) {
host = uri+strlen("coaps://");
}
else if (0==strncmp(uri, "coap://", strlen("coap://"))) {
host = uri+strlen("coap://");
}
else {
goto syntax_error;
}
port = strrchr(host, ':');
if (port == NULL) goto syntax_error;
// remove brackets
if (host[0] == '[')
{
host++;
if (*(port - 1) == ']')
{
*(port - 1) = 0;
}
else goto syntax_error;
}
// split strings
*port = 0;
port++;
fprintf(stderr, "Trying to connect to LWM2M CLient at %s:%s\r\n", host, port);
newConnP = connection_create(dataP->connList, dataP->sock, host, port);
if (newConnP == NULL) {
fprintf(stderr, "Connection creation failed.\r\n");
return;
}
dataP->connList = newConnP;
// simulate a client bootstrap request.
if (COAP_204_CHANGED == prv_bootstrap_callback(newConnP, COAP_NO_ERROR, NULL, name, user_data))
{
fprintf(stdout, "OK");
}
else
{
fprintf(stdout, "Error");
}
return;
syntax_error:
fprintf(stdout, "Syntax error !");
}
