#include <windows.h>
#include "utils.h"

LPSTR lpszSlotName = "\\\\.\\mailslot\\sample_mailslot";

int main(void)
{
	DWORD cbMessage, cMessage, cbRead, dwRet; 
	HANDLE hMailslot;
	BOOL bRet;
	LPSTR lpszBuffer;

	/* Create Mailslot */
	hMailslot = CreateMailslot(
		lpszSlotName,
		0,                     /* no maximum message size */
		MAILSLOT_WAIT_FOREVER, /* no expiration period */
		NULL);                 /* no security attributes */
	DIE(hMailslot == INVALID_HANDLE_VALUE, "CreateMailSlot");

        /* Timeout - waiting for clients */
	Sleep(5000);

	/* Get number of messages form Mailslot */
	bRet = GetMailslotInfo( 
		hMailslot,             /* mailslot handle */
		(LPDWORD) NULL,        /* no maximum message size */
		&cbMessage,            /* size of next message */
		&cMessage,             /* number of messages */
		(LPDWORD) NULL);       /* no read time-out */
	DIE(bRet == FALSE, "GetMailslotInfo");

	/* Read all messages from Mailslot */
	while (cMessage != 0) {
 	
 		lpszBuffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, cbMessage);
		DIE(lpszBuffer == NULL, "HeapAlloc");
	 
 		bRet = ReadFile(
			hMailslot,
 			lpszBuffer,
 			cbMessage,
 			&cbRead,
 			(LPOVERLAPPED) NULL);
		DIE(bRet == FALSE, "ReadFile from Mailslot");
	 
 		printf("Received: %s\n", lpszBuffer);
	 
 		HeapFree(GetProcessHeap(), 0, lpszBuffer);
	 
 		bRet = GetMailslotInfo( 
			hMailslot,     /* mailslot handle */
			NULL,          /* no maximum message size */
			&cbMessage,    /* size of next message */
			&cMessage,     /* number of messages */
			NULL);         /* no read time-out */
		DIE(bRet == FALSE, "GetMailslotInfo");
	} /* end while */
 		
	dwRet = CloseHandle(hMailslot);
	DIE (dwRet == FALSE, "CloseHandle");

	return 0;
}