NET SEND API 예제

#define UNICODE

#define _UNICODE



#include 

#include 

#include 

#include 



#define MESGLEN 50

PSERVER_INFO_503 GetServerInfo(void);       // gets & displays this systems name

void ListUsers(void);                       // lists users alias on this system

PWKSTA_USER_INFO_1 GetCurrentUser(void);



int wmain(int argc, wchar_t *argv[])

{

    NET_API_STATUS     nasRc;               // return code from NetXxxx()

    PWKSTA_USER_INFO_1 wks_user;            // holds the ptr to the users name

    PSERVER_INFO_503   si503;               // Server info structure

    LPWSTR             awcFromName;         // default machine name for NetMsgBufrSend()



    //

    // Get and display the server name, do this regardless

    //

    si503 = GetServerInfo();

    wprintf(_T("You are logged into domain: %s.\\n"), si503->sv503_domain);



    //

    // Check command line arguments.

    //

    if(argc != 3)

    {

        if(argc == 2)

            //

            // List users on this system

            //

            if((argv[1][0] == '-' || argv[1][0] == '/') &&

               (argv[1][1] == 'd' || argv[1][1] == 'D'))

                    ListUsers();



        fwprintf(stderr, L"Usage: %s UserName_to_send_to \\"quoted message\\"\\n", argv[0]);

        exit(1);

    }



    //

    // Get and display the name of the user currently logged in

    //

    wks_user = GetCurrentUser();

    wprintf(_T("You are user: %s\\n"), wks_user->wkui1_username);

    awcFromName = wks_user->wkui1_username;



    //

    // Send a message

    //

    wprintf(_TEXT("Preparing to send message, please wait... this make take up to 1 minute.\\n"));

    nasRc = NetMessageBufferSend(NULL,              // server name (null means this machine)

                                 argv[1],           // name (alias) of recipient

                                 awcFromName,       // who this is from

                                 (LPBYTE)argv[2],   // message

                                 wcslen(argv[2]) * sizeof(WCHAR));



    //

    // Display the return code (use nasRc-NERR_Base to lookup in lmerr.h)

    //

    switch(nasRc)

    {

        case ERROR_ACCESS_DENIED:

            wprintf(_TEXT("ERROR: You do not have access to the requested function.\\n"));

            break;



        case ERROR_INVALID_PARAMETER:

            wprintf(_TEXT("ERROR: One of the passed parameters is invalid.\\n"));

            break;



        case ERROR_NOT_SUPPORTED:

            wprintf(_TEXT("ERROR: This network request is not supported.\\n"));

            break;



        case NERR_NameNotFound:

            wprintf(_TEXT("ERROR: The user name could not be found or is not logged in."));

            break;



        case NERR_NetworkError:

            wprintf(_TEXT("ERROR: A general failure occurred in the network hardware.\\n"));

            break;



        case NERR_Success:

            wprintf(_TEXT("Message successfully sent!\\n"));

            break;



        default:

            wprintf(_TEXT("ERROR %d: Unknown error\\n"), nasRc);

    }



    //

    // Certain NetXxx() allocate memory that we must free

    //

    GlobalFree(wks_user);

    GlobalFree(si503);

    return(nasRc);

}





PWKSTA_USER_INFO_1 GetCurrentUser(void)

{

    NET_API_STATUS  nasRc;               // return code from NetXxxx()

    LPBYTE          buff;



    nasRc = NetWkstaUserGetInfo(NULL, 1, &buff);

    if(nasRc != NERR_Success)

    {

        fwprintf(stderr, L"Error %d getting logged in user name.\\n", nasRc);

        exit(2);

    }

    return((PWKSTA_USER_INFO_1) buff);

}