PARCEventQueue *
metisDispatcher_CreateStreamBufferFromSocket(MetisDispatcher *dispatcher, MetisSocketType fd)
{
assertNotNull(dispatcher, "Parameter dispatcher must be non-null");
PARCEventQueue *buffer = parcEventQueue_Create(dispatcher->Base, fd, PARCEventQueueOption_CloseOnFree | PARCEventQueueOption_DeferCallbacks);
assertNotNull(buffer, "Got null from parcEventBufver_Create for socket %d", fd);
return buffer;
}
/**
* Connect to an INET peer
* @return NULL on error, otherwise a streambuffer
*/
static PARCEventQueue *
metisDispatcher_StreamBufferConnect_INET(MetisDispatcher *dispatcher, const CPIAddress *localAddress, const CPIAddress *remoteAddress)
{
struct sockaddr_in localSock, remoteSock;
cpiAddress_GetInet(localAddress, &localSock);
cpiAddress_GetInet(remoteAddress, &remoteSock);
PARCEventQueue *buffer = parcEventQueue_Create(dispatcher->Base, -1, PARCEventQueueOption_CloseOnFree);
assertNotNull(buffer, "got null buffer from parcEventQueue_Create()");
bool success = metisDispatcher_StreamBufferBindAndConnect(dispatcher, buffer,
(struct sockaddr *) &localSock, sizeof(localSock),
(struct sockaddr *) &remoteSock, sizeof(remoteSock));
if (!success) {
parcEventQueue_Destroy(&buffer);
buffer = NULL;
}
return buffer;
}
MetisIoOperations *
metisStreamConnection_AcceptConnection(MetisForwarder *metis, int fd, MetisAddressPair *pair, bool isLocal)
{
_MetisStreamState *stream = parcMemory_AllocateAndClear(sizeof(_MetisStreamState));
assertNotNull(stream, "parcMemory_AllocateAndClear(%zu) returned NULL", sizeof(_MetisStreamState));
MetisDispatcher *dispatcher = metisForwarder_GetDispatcher(metis);
PARCEventScheduler *eventBase = metisDispatcher_GetEventScheduler(dispatcher);
stream->bufferEventVector = parcEventQueue_Create(eventBase, fd, PARCEventQueueOption_CloseOnFree | PARCEventQueueOption_DeferCallbacks);
stream->metis = metis;
stream->logger = metisLogger_Acquire(metisForwarder_GetLogger(metis));
stream->fd = fd;
stream->id = metisForwarder_GetNextConnectionId(metis);
stream->addressPair = pair;
stream->isClosed = false;
// allocate a connection
MetisIoOperations *io_ops = parcMemory_AllocateAndClear(sizeof(MetisIoOperations));
assertNotNull(io_ops, "parcMemory_AllocateAndClear(%zu) returned NULL", sizeof(MetisIoOperations));
memcpy(io_ops, &_template, sizeof(MetisIoOperations));
io_ops->closure = stream;
parcEventQueue_SetCallbacks(stream->bufferEventVector, _conn_readcb, NULL, _conn_eventcb, (void *) io_ops);
parcEventQueue_Enable(stream->bufferEventVector, PARCEventType_Read);
metisMessenger_Send(metisForwarder_GetMessenger(stream->metis), metisMissive_Create(MetisMissiveType_ConnectionCreate, stream->id));
// As we are acceting a connection, we begin in the UP state
_setConnectionState(stream, true);
if (metisLogger_IsLoggable(stream->logger, MetisLoggerFacility_IO, PARCLogLevel_Debug)) {
char *pair_str = metisAddressPair_ToString(pair);
metisLogger_Log(stream->logger, MetisLoggerFacility_IO, PARCLogLevel_Debug, __func__,
"StreamConnection %p accept for address pair %s", (void *) stream, pair_str);
free(pair_str);
}
return io_ops;
}
/**
* Creates a client-specific session
*
* <#Discussion#>
*
* @param <#param1#>
* @return <#return#>
*
* Example:
* @code
* <#example#>
* @endcode
*/
static _MetisCommandLineInterface_Session *
metisCliSession_Create(MetisCommandLineInterface *cli, MetisSocketType clientSocket, struct sockaddr *clientAddress, int clientAddressLength)
{
_MetisCommandLineInterface_Session *session = parcMemory_AllocateAndClear(sizeof(_MetisCommandLineInterface_Session));
assertNotNull(session, "parcMemory_AllocateAndClear(%zu) returned NULL", sizeof(_MetisCommandLineInterface_Session));
session->parentCli = cli;
session->clientAddress = parcMemory_Allocate(clientAddressLength);
assertNotNull(session->clientAddress, "parcMemory_Allocate(%d) returned NULL", clientAddressLength);
session->clientAddressLength = clientAddressLength;
session->clientSocket = clientSocket;
memcpy(session->clientAddress, clientAddress, clientAddressLength);
MetisDispatcher *dispatcher = metisForwarder_GetDispatcher(cli->metis);
PARCEventScheduler *eventBase = metisDispatcher_GetEventScheduler(dispatcher);
session->streamBuffer = parcEventQueue_Create(eventBase, clientSocket, PARCEventQueueOption_CloseOnFree | PARCEventQueueOption_DeferCallbacks);
parcEventQueue_SetCallbacks(session->streamBuffer, _metisCliSession_ReadCallback, NULL, _metisCliSession_EventCallback, session);
parcEventQueue_Enable(session->streamBuffer, PARCEventType_Read);
return session;
}
LONGBOW_TEST_CASE(Global, metisMessage_Write)
{
char message_str[] = "\x00Once upon a time ...";
PARCEventScheduler *scheduler = parcEventScheduler_Create();
PARCEventQueue *queue = parcEventQueue_Create(scheduler, -1, PARCEventQueueOption_CloseOnFree);
PARCEventBuffer *buff = parcEventBuffer_Create();
parcEventBuffer_Append(buff, message_str, sizeof(message_str));
PARCLogReporter *reporter = parcLogReporterTextStdout_Create();
MetisLogger *logger = metisLogger_Create(reporter, parcClock_Wallclock());
parcLogReporter_Release(&reporter);
MetisMessage *message = metisMessage_CreateFromBuffer(1, 2, buff, logger);
int result = metisMessage_Write(queue, message);
assertTrue(result == 0, "Got error from metisMessage_Write");
// buff is deallocated by metisMessage_Release
metisLogger_Release(&logger);
metisMessage_Release(&message);
parcEventQueue_Destroy(&queue);
parcEventScheduler_Destroy(&scheduler);
}