#define RMR_MAX_XID 32 // space in header reserved for user xaction id
-#define RMR_MAX_SID 32 // spece in header reserved for sender id
#define RMR_MAX_MEID 32 // spece in header reserved for managed element id
#define RMR_MAX_SRC 64 // max length of hostname (which could be IPv6 addr with [...]:port so more than the 39 bytes of a plain addr
+#define RMR_MAX_SID 32 // misc sender info/data (reserved)
#define RMR_MAX_RCV_BYTES 4096 // max bytes we support in a receive message
// various flags for function calls
#define RMRFL_NONE 0x00 // no flags
-#define RMRFL_AUTO_ALLOC 0x01 // send auto allocates a zerocopy buffer
+#define RMRFL_NOTHREAD 0x01 // do not start an additional route collector thread
+#define RMRFL_MTCALL 0x02 // set up multi-threaded call support (rmr_init)
+#define RMRFL_AUTO_ALLOC 0x03 // send auto allocates a zerocopy buffer
+#define RMRFL_NAME_ONLY 0x04 // only the hostname:ip is provided as source information for rts() calls
#define RMR_DEF_SIZE 0 // pass as size to have msg allocation use the default msg size
#define RMR_ERR_UNSET 13 // the message hasn't been populated with a transport buffer
#define RMR_ERR_TRUNC 14 // received message likely truncated
#define RMR_ERR_INITFAILED 15 // initialisation of something (probably message) failed
+#define RMR_ERR_NOTSUPP 16 // the request is not supported, or RMr was not initialised for the request
#define RMR_WH_CONNECTED(a) (a>=0) // for now whid is integer; it could be pointer at some future date
extern rmr_mbuf_t* rmr_wh_send_msg( void* vctx, rmr_whid_t whid, rmr_mbuf_t* msg );
extern void rmr_wh_close( void* vctx, int whid );
+// ----- mt call support --------------------------------------------------------------------------------
+extern rmr_mbuf_t* rmr_mt_call( void* vctx, rmr_mbuf_t* mbuf, int call_id, int max_wait );
+extern rmr_mbuf_t* rmr_mt_rcv( void* vctx, rmr_mbuf_t* mbuf, int max_wait );
// ----- msg buffer operations (no context needed) ------------------------------------------------------
extern int rmr_bytes2meid( rmr_mbuf_t* mbuf, unsigned char const* src, int len );
extern void rmr_free_msg( rmr_mbuf_t* mbuf );
extern unsigned char* rmr_get_meid( rmr_mbuf_t* mbuf, unsigned char* dest );
extern unsigned char* rmr_get_src( rmr_mbuf_t* mbuf, unsigned char* dest );
+extern unsigned char* rmr_get_srcip( rmr_mbuf_t* msg, unsigned char* dest );
extern rmr_mbuf_t* rmr_realloc_msg( rmr_mbuf_t* mbuf, int new_tr_size );
extern int rmr_str2meid( rmr_mbuf_t* mbuf, unsigned char const* str );
extern void rmr_str2payload( rmr_mbuf_t* mbuf, unsigned char const* str );