#define _em_nn
#include <pthread.h>
-
-static int em_send_failures = 0; // test programme can set this to emulate eagain send failures
-static int em_timeout = -1; // set by set socket option
-static int em_mtc_msgs = 0; // set to generate 'received' messages with mt-call header data
-static int return_value = 0; // functions should return this value
-static int rcv_count = 0; // receive counter for transaction id to allow test to rest
-static int rcv_delay = 0; // forced delay before call to rcvmsg starts to work
-
-static int gates_ok = 0;
-static pthread_mutex_t rcv_gate;
-
-
-// ----------- epoll emulation ---------------------------------------------
-
-// CAUTION: sys/epoll.h must be included before this define and function will properly compile.
-#define epoll_wait em_wait
-/*
- Every other call returns 1 ready; alternate calls return 0 ready.
- Mostly for testing the timeout receive call. First call should return
- something ready and the second should return nothing ready so we can
- drive both cases.
-*/
-static int em_wait( int fd, void* events, int n, int to ) {
- static int ready = 0;
-
- ready = !ready;
- return ready;
-}
-
-
-
-/*
- Simulated v1 message for receive to return. This needs to match the RMr header
- so that we can fill in length, type and xaction id things.
-#define MSG_VER 1
-struct em_msg {
- int32_t mtype; // message type ("long" network integer)
- int32_t plen; // payload length
- int32_t rmr_ver; // our internal message version number
- unsigned char xid[32]; // space for user transaction id or somesuch
- unsigned char sid[32]; // sender ID for return to sender needs
- unsigned char src[16]; // name of the sender (source)
- unsigned char meid[32]; // managed element id.
- struct timespec ts; // timestamp ???
-};
-*/
-
-/*
- v2 message; should be able to use it for everything that is set up here as
- we don't add a payload even if setting a v1 type.
-*/
-#define ALT_MSG_VER 1 // alternate every so often
-#define MSG_VER 2 // default version to insert
-struct em_msg {
- int32_t mtype; // message type ("long" network integer)
- int32_t plen; // payload length
- int32_t rmr_ver; // our internal message version number
- unsigned char xid[32]; // space for user transaction id or somesuch
- unsigned char sid[32]; // sender ID for return to sender needs
- unsigned char src[64]; // name of the sender (source)
- unsigned char meid[32]; // managed element id.
- struct timespec ts; // timestamp ???
-
- // V2 extension
- int32_t flags; // HFL_* constants
- int32_t len0; // length of the RMr header data
- int32_t len1; // length of the tracing data
- int32_t len2; // length of data 1 (d1)
- int32_t len3; // length of data 2 (d2)
- int32_t sub_id; // subscription id (-1 invalid)
-};
-
-
-
-// -- emulation control functions ------------------------------------------------------
-
-/*
- Test app can call this to have all emulated functions return failure instead
- of success.
-*/
-static void en_set_return( int rv ) {
- return_value = rv;
-}
-
-
-
-static int em_nng_foo() {
- fprintf( stderr, "emulated functions in play" );
-}
-
-
-/*
- Turns on/off the generation of multi-threaded call messages
-*/
-static int em_set_mtc_msgs( int state ) {
- em_mtc_msgs = state;
-}
-
-/*
- Returns the size of the header we inserted
-*/
-static int em_hdr_size() {
- if( em_mtc_msgs ) {
- return (int) sizeof( struct em_msg ) + 4;
- }
-
- return (int) sizeof( struct em_msg );
-}
-
-static void em_set_rcvcount( int v ) {
- rcv_count = v;
-}
-
-static void em_set_rcvdelay( int v ) {
- rcv_delay = v;
-}
-
-static void em_start() {
- if( ! gates_ok ) {
- pthread_mutex_init( &rcv_gate, NULL );
- gates_ok = 1;
- }
-}
+#include "test_common_em.c" // things common to all emulation code
//--------------------------------------------------------------------------
#ifdef EMULATE_NNG
int boo;
};
+#define SOCKET_TYPE nng_socket // socket representation is different in each transport
/*
Receive message must allocate a new buffer and return the pointer into *m.
d1_size = 4;
}
- b = (void *) malloc( 2048 );
if( m != NULL ) {
+ b = (void *) malloc( 2048 );
memset( b, 0, 2048 );
*m = (nng_msg *) b;
}
pthread_mutex_unlock( &rcv_gate );
snprintf( msg->xid, 32, "%015d", rcv_count ); // simple transaction id so we can test receive specific and ring stuff
- snprintf( msg->src, 16, "localhost:4562" ); // set src id (unrealistic) so that rts() can be tested
+ snprintf( msg->src, 64, "localhost:4562" ); // set src id (unrealistic) so that rts() can be tested
+ snprintf( msg->srcip, 64, "89.2.19.19:4562" ); // set src ip for rts testing
+
+ //fprintf( stderr, ">>> simulated received message: %s %s p=%p len0=%d\n", msg->src, msg->srcip, msg, (int) ntohl( msg->len0 ) );
+ } else {
+ fprintf( stderr, "<WARN> em: simulated receive no msg pointer provided\n" );
}
- //fprintf( stderr, ">>> simulated received message: %s\n", msg->xid );
return return_value;
}
return return_value;
}
static int em_nng_recv(nng_socket s, void * v, size_t * t, int i ) {
-
return return_value;
}
static int em_nng_send( nng_socket s, void* m, int l, int f ) {
+ free( m ); // we must ditch the message as nng does (or reuses)
return return_value;
}
*/
static void em_nng_free( void* p, size_t l ) {
if( p ) {
- //fprintf( stderr, ">>>>> not freed: %p\n", p );
free( p );
}
}
static void em_nng_msg_free( void* p ) {
if( p ) {
- //fprintf( stderr, ">>>>> not freed: %p\n", p );
free( p );
}
}
#else
+#define SOCKET_TYPE int // socket representation is different in each transport
+
// ----------------------- emulated nano functions --------------------------
struct em_nn_msghdr {
static int count = 0; // we'll simulate a message going in by dropping an rmr-ish msg with transaction id only
int trace_size = 0;
static int counter = 0; // if timeout value is set; we return timeout (eagain) every 3 calls
+ int d1_size = 0;
if( em_timeout > 0 ) {
counter++;
}
}
+ if( em_mtc_msgs ) {
+ d1_size = 4;
+ }
+
b = (void *) malloc( 2048 );
if( m != NULL ) { // blindly we assume this is 2k or bigger
memset( m, 0, 2048 );
msg->plen = htonl( 220 );
msg->len0 = htonl( sizeof( struct em_msg ) );
msg->len1 = htonl( trace_size );
+ msg->len2 = htonl( d1_size );
+ msg->len3 = htonl( 0 );
snprintf( msg->xid, 32, "%015d", count++ ); // simple transaction id so we can test receive specific and ring stuff
- snprintf( msg->src, 16, "localhost:4562" ); // set src id (unrealistic) so that rts() can be tested
+ snprintf( msg->src, 64, "localhost:4562" ); // set src id (unrealistic) so that rts() can be tested
+ snprintf( msg->srcip, 64, "89.2.19.19:4562" ); // set src ip for rts testing
//fprintf( stderr, "<EM> returning message len=%d\n\n", ntohl( msg->plen ) );
} else {
fprintf( stderr, "<EM> message was nil\n\n" );
}
- //fprintf( stderr, ">>> simulated received message: %s len=%d\n", msg->xid, msg->plen );
+ //fprintf( stderr, ">>> simulated received message: %s %s len=%d p=%p\n", msg->src, msg->srcip, ntohl( msg->plen ), m );
return 2048;
}
}
static void em_nn_freemsg( void* ptr ) {
+ free( ptr );
return;
}