/*returns TRUE if a body is expected, and initialize a few things in the input stream context*/
static int check_body(belle_sip_channel_t *obj){
belle_sip_message_t *msg=obj->input_stream.msg;
belle_sip_header_content_length_t* content_length_header = belle_sip_message_get_header_by_type(msg,belle_sip_header_content_length_t);
int expect_body=FALSE;
obj->input_stream.content_length= content_length_header ? belle_sip_header_content_length_get_content_length(content_length_header) : 0;
if (BELLE_SIP_OBJECT_IS_INSTANCE_OF(msg,belle_sip_response_t) || BELLE_SIP_OBJECT_IS_INSTANCE_OF(msg,belle_sip_request_t)){
expect_body=obj->input_stream.content_length>0;
}else{/*http*/
if (belle_sip_message_get_header_by_type(msg, belle_sip_header_content_type_t)!=NULL){
belle_sip_header_t *transfer_encoding=belle_sip_message_get_header(msg,"Transfer-Encoding");
if (transfer_encoding){
const char *value=belle_sip_header_get_unparsed_value(transfer_encoding);
if (strstr(value,"chunked")!=0){
obj->input_stream.chuncked_mode=1;
obj->input_stream.content_length=0;
obj->input_stream.chunk_size=-1;
obj->input_stream.chunk_read_size=0;
}
}
expect_body=TRUE;
}
}
if (expect_body){
belle_sip_body_handler_t *bh;
/*should notify the listeners*/
BELLE_SIP_INVOKE_LISTENERS_ARG1_ARG2(obj->listeners,belle_sip_channel_listener_t,on_message_headers,obj,msg);
/*check if the listener has setup a body handler, otherwise create a default one*/
if ((bh=belle_sip_message_get_body_handler(msg))==NULL){
belle_sip_message_set_body_handler(msg,(bh=(belle_sip_body_handler_t*)belle_sip_memory_body_handler_new(NULL,NULL)));
}
belle_sip_body_handler_begin_transfer(bh);
}
return expect_body;
}
SalBodyHandler * sal_body_handler_new(void) {
belle_sip_memory_body_handler_t *body_handler = belle_sip_memory_body_handler_new(NULL, NULL);
return (SalBodyHandler *)BELLE_SIP_BODY_HANDLER(body_handler);
}
