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// $Id$
#include "ace/Memory_Pool.h"
#include "ace/Shared_Memory_MM.h"
#include "ace/Malloc.h"
#include "ace/Malloc_T.h"
#include "ace/Thread_Manager.h"
#define DATA_SIZE 100
#define MESSAGE1 "Hiya over there client process"
#define MESSAGE2 "Did you hear me the first time?"
const ACE_TCHAR *poolname="My_Pool";
typedef ACE_Malloc<ACE_MMAP_MEMORY_POOL, ACE_Null_Mutex> Malloc_Allocator;
static void *
server (void * = 0)
{
ACE_MMAP_Memory_Pool_Options opt;
//Create the memory allocator passing it the shared memory
//pool that you want to use
Malloc_Allocator shm_allocator(poolname,poolname,&opt);
//Create a message, allocate memory for it and bind it with
//a name so that the client can the find it in the memory
//pool
char* Message1=(char*)shm_allocator.malloc(strlen(MESSAGE1)+1);
ACE_OS::strcpy(Message1,MESSAGE1);
shm_allocator.bind("FirstMessage",Message1);
ACE_DEBUG((LM_DEBUG,"<<%s\n",Message1));
//How about a second message
char* Message2=(char*)shm_allocator.malloc(strlen(MESSAGE2)+1);
ACE_OS::strcpy(Message2,MESSAGE2);
shm_allocator.bind("SecondMessage",Message2);
ACE_DEBUG((LM_DEBUG,"<<%s\n",Message2));
//Set the Server to go to sleep for a while so that the client has
//a chance to do its stuff
ACE_DEBUG((LM_DEBUG, "Server done writing.. going to sleep zzz..\n\n\n"));
ACE_OS::sleep(10);
ACE_DEBUG ((LM_DEBUG, "server exit\n"));
return 0;
}
static void *
client (void * = 0)
{
ACE_MMAP_Memory_Pool_Options opt;
//Create the memory allocator passing it the shared memory
//pool that you want to use
Malloc_Allocator shm_allocator(poolname,poolname,&opt);
//Lets get that first message. Notice that the find is looking up the
//memory based on the "name" that was bound to it by the server.
void *Message1 = 0;
if(shm_allocator.find("FirstMessage") == -1 )
{
ACE_ERROR((LM_ERROR,
"Client ack\n"));
return 0;
}
if(shm_allocator.find("FirstMessage",Message1)==-1)
{
ACE_ERROR((LM_ERROR,
"Client: Problem cant find data that server has sent\n"));
return 0;
}
ACE_OS::printf(">>%s\n",(char*) Message1);
ACE_OS::fflush(stdout);
//Lets get that second message now.
void *Message2;
if(shm_allocator.find("SecondMessage",Message2)==-1)
{
ACE_ERROR((LM_ERROR,
"Client: Problem cant find data that server has sent\n"));
ACE_OS::exit(1);
}
ACE_OS::printf(">>%s\n",(char*)Message2);
ACE_OS::fflush(stdout);
ACE_DEBUG((LM_DEBUG,"Client done reading! BYE NOW\n"));
ACE_OS::fflush(stdout);
//Get rid of all resources allocated by the server. In other
//words get rid of the shared memory pool that had been
//previously allocated
shm_allocator.remove();
return 0;
}
int main (int, char *argv[])
{
switch (*argv[1])
{
case 's':
server ();
break;
default:
client ();
break;
}
return 0;
}
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