X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=src%2Frmr%2Fnng%2Fsrc%2Frmr_nng.c;h=1b6e1f0458891fa8204f0addbbc78eae7d8a5ea7;hb=6511ac74cdc367a94bffeb3743624775acd52c5b;hp=cf5e4295308af24a48164c3bf533f874681473a0;hpb=750cbee6b224532fc10971c04df556ce4bceb832;p=ric-plt%2Flib%2Frmr.git diff --git a/src/rmr/nng/src/rmr_nng.c b/src/rmr/nng/src/rmr_nng.c index cf5e429..1b6e1f0 100644 --- a/src/rmr/nng/src/rmr_nng.c +++ b/src/rmr/nng/src/rmr_nng.c @@ -254,6 +254,7 @@ extern rmr_mbuf_t* rmr_rts_msg( void* vctx, rmr_mbuf_t* msg ) { errno = EINVAL; // if msg is null, this is their clue if( msg != NULL ) { msg->state = RMR_ERR_BADARG; + msg->tp_state = errno; } return msg; } @@ -262,6 +263,7 @@ extern rmr_mbuf_t* rmr_rts_msg( void* vctx, rmr_mbuf_t* msg ) { if( msg->header == NULL ) { fprintf( stderr, "[ERR] rmr_send_msg: message had no header\n" ); msg->state = RMR_ERR_NOHDR; + msg->tp_state = errno; return msg; } @@ -345,6 +347,7 @@ extern rmr_mbuf_t* rmr_call( void* vctx, rmr_mbuf_t* msg ) { if( msg->state != RMR_ERR_RETRY ) { msg->state = RMR_ERR_CALLFAILED; // errno not available to all wrappers; don't stomp if marked retry } + msg->tp_state = errno; return msg; } @@ -365,10 +368,11 @@ extern rmr_mbuf_t* rmr_rcv_msg( void* vctx, rmr_mbuf_t* old_msg ) { rmr_mbuf_t* qm; // message that was queued on the ring if( (ctx = (uta_ctx_t *) vctx) == NULL ) { + errno = EINVAL; if( old_msg != NULL ) { old_msg->state = RMR_ERR_BADARG; + old_msg->tp_state = errno; } - errno = EINVAL; return old_msg; } errno = 0; @@ -402,10 +406,11 @@ extern rmr_mbuf_t* rmr_torcv_msg( void* vctx, rmr_mbuf_t* old_msg, int ms_to ) { rmr_mbuf_t* msg; if( (ctx = (uta_ctx_t *) vctx) == NULL ) { + errno = EINVAL; if( old_msg != NULL ) { old_msg->state = RMR_ERR_BADARG; + old_msg->tp_state = errno; } - errno = EINVAL; return old_msg; } @@ -457,6 +462,7 @@ extern rmr_mbuf_t* rmr_torcv_msg( void* vctx, rmr_mbuf_t* old_msg, int ms_to ) { nready = epoll_wait( eps->ep_fd, eps->events, 1, ms_to ); // block until something or timedout if( nready <= 0 ) { // we only wait on ours, so we assume ready means it's ours msg->state = RMR_ERR_TIMEOUT; + msg->tp_state = errno; } else { return rcv_msg( ctx, msg ); // receive it and return it } @@ -480,10 +486,11 @@ extern rmr_mbuf_t* rmr_rcv_specific( void* vctx, rmr_mbuf_t* msg, char* expect, int exp_len = 0; // length of expected ID if( (ctx = (uta_ctx_t *) vctx) == NULL ) { + errno = EINVAL; if( msg != NULL ) { msg->state = RMR_ERR_BADARG; + msg->tp_state = errno; } - errno = EINVAL; return msg; } @@ -524,17 +531,15 @@ extern rmr_mbuf_t* rmr_rcv_specific( void* vctx, rmr_mbuf_t* msg, char* expect, return NULL; } -// CAUTION: these are not supported as they must be set differently (between create and open) in NNG. -// until those details are worked out, these generate a warning. /* - Set send timeout. The value time is assumed to be microseconds. The timeout is the - rough maximum amount of time that RMr will block on a send attempt when the underlying + Set send timeout. The value time is assumed to be milliseconds. The timeout is the + _rough_ maximum amount of time that RMr will block on a send attempt when the underlying mechnism indicates eagain or etimeedout. All other error conditions are reported without this delay. Setting a timeout of 0 causes no retries to be attempted in - RMr code. Setting a timeout of 1 causes RMr to spin up to 10K retries before returning, - but without issuing a sleep. If timeout is > 1, then RMr will issue a sleep (1us) - after every 10K send attempts until the time value is reached. Retries are abandoned - if NNG returns anything other than NNG_AGAIN or NNG_TIMEDOUT. + RMr code. Setting a timeout of 1 causes RMr to spin up to 1K retries before returning, + but _without_ issuing a sleep. If timeout is > 1, then RMr will issue a sleep (1us) + after every 1K send attempts until the "time" value is reached. Retries are abandoned + if NNG returns anything other than NNG_EAGAIN or NNG_ETIMEDOUT. The default, if this function is not used, is 1; meaning that RMr will retry, but will not enter a sleep. In all cases the caller should check the status in the message returned @@ -559,6 +564,8 @@ extern int rmr_set_stimeout( void* vctx, int time ) { /* Set receive timeout -- not supported in nng implementation + + CAUTION: this is not supported as they must be set differently (between create and open) in NNG. */ extern int rmr_set_rtimeout( void* vctx, int time ) { fprintf( stderr, "[WRN] Current implementation of RMR ontop of NNG does not support setting a receive timeout\n" ); @@ -670,6 +677,11 @@ static void* init( char* uproto_port, int max_msg_size, int flags ) { } if( DEBUG ) fprintf( stderr, "[DBUG] default ip address: %s\n", ctx->my_ip ); + if( (tok = getenv( ENV_WARNINGS )) != NULL ) { + if( *tok == '1' ) { + ctx->flags |= CTXFL_WARN; // turn on some warnings (not all, just ones that shouldn't impact performance) + } + } if( (interface = getenv( ENV_BIND_IF )) == NULL ) { @@ -827,6 +839,7 @@ extern rmr_mbuf_t* rmr_mt_rcv( void* vctx, rmr_mbuf_t* mbuf, int max_wait ) { errno = EINVAL; if( mbuf ) { mbuf->state = RMR_ERR_BADARG; + mbuf->tp_state = errno; } return mbuf; } @@ -835,6 +848,7 @@ extern rmr_mbuf_t* rmr_mt_rcv( void* vctx, rmr_mbuf_t* mbuf, int max_wait ) { errno = EINVAL; if( mbuf != NULL ) { mbuf->state = RMR_ERR_NOTSUPP; + mbuf->tp_state = errno; } return mbuf; } @@ -868,6 +882,7 @@ extern rmr_mbuf_t* rmr_mt_rcv( void* vctx, rmr_mbuf_t* mbuf, int max_wait ) { } errno = 0; + state = 0; while( chute->mbuf == NULL && ! errno ) { if( seconds ) { state = sem_timedwait( &chute->barrier, &ts ); // wait for msg or timeout @@ -897,6 +912,9 @@ extern rmr_mbuf_t* rmr_mt_rcv( void* vctx, rmr_mbuf_t* mbuf, int max_wait ) { } } + if( mbuf ) { + mbuf->tp_state = errno; + } return mbuf; } @@ -928,9 +946,10 @@ extern rmr_mbuf_t* rmr_mt_call( void* vctx, rmr_mbuf_t* mbuf, int call_id, int m long nano_sec; // max wait xlated to nano seconds int state; + errno = EINVAL; if( (ctx = (uta_ctx_t *) vctx) == NULL || mbuf == NULL ) { - errno = EINVAL; if( mbuf ) { + mbuf->tp_state = errno; mbuf->state = RMR_ERR_BADARG; } return mbuf; @@ -938,11 +957,13 @@ extern rmr_mbuf_t* rmr_mt_call( void* vctx, rmr_mbuf_t* mbuf, int call_id, int m if( ! (ctx->flags & CFL_MTC_ENABLED) ) { mbuf->state = RMR_ERR_NOTSUPP; + mbuf->tp_state = errno; return mbuf; } if( call_id > MAX_CALL_ID || call_id < 2 ) { // 0 and 1 are reserved; user app cannot supply them mbuf->state = RMR_ERR_BADARG; + mbuf->tp_state = errno; return mbuf; } @@ -984,10 +1005,12 @@ extern rmr_mbuf_t* rmr_mt_call( void* vctx, rmr_mbuf_t* mbuf, int call_id, int m mbuf = mtosend_msg( ctx, mbuf, 0 ); // use internal function so as not to strip call-id; should be nil on success! if( mbuf ) { if( mbuf->state != RMR_OK ) { + mbuf->tp_state = errno; return mbuf; // timeout or unable to connect or no endpoint are most likely issues } } + state = 0; errno = 0; while( chute->mbuf == NULL && ! errno ) { if( seconds ) {