| | | Win32程序设计之网络通信 | | 2001-05-31·
·QQ新人类编译··yesky
| 上一页 1 2 3 4 5 6 7 下一页
列表2
该程序每隔5秒写一次mailslot
//***************************************************************
// From the book "Win32 System Services: The Heart of Windows NT"
// by Marshall Brain
// Published by Prentice Hall
file://
// This code implements a simple mailslot sender.
file://***************************************************************
// sms_send.c
// Usage: sms_send
#include
#include
#include
int main()
{
char toSendTxt[100], buffer[100];
DWORD bufferLen=100;
HANDLE hSMS_Slot;
BOOL Status;
DWORD NumBytesWritten;
/* Create the mailslot file handle for
sending messages */
hSMS_Slot=CreateFile("\\\\*\\mailslot\\sms",
GENERIC_WRITE, FILE_SHARE_READ,
(LPSECURITY_ATTRIBUTES) NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
(HANDLE) NULL);
/* Check and see if the mailslot file was
opened, if not terminate program */
if (hSMS_Slot == INVALID_HANDLE_VALUE)
{
cerr << "ERROR: Unable to create mailslot "
<< GetLastError() << endl;
return (1);
}
/* form string to send */
GetComputerName(buffer, &bufferLen);
strcpy(toSendTxt, "Test string from ");
strcat(toSendTxt, buffer);
/* Repeatedly send message until program
is terminated */
while(1)
{
cout << "Sending..." << endl;
/* Write message to mailslot */
Status=WriteFile(hSMS_Slot,
toSendTxt, (DWORD) strlen(toSendTxt)+1,
&NumBytesWritten, (LPOVERLAPPED) NULL);
/* If error occurs when writing to mailslot,
terminate program */
if (!Status)
{
cerr << "ERROR: Unable to write to mailslot "
<< GetLastError() << endl;
CloseHandle(hSMS_Slot);
return (1);
}
/* Wait sending the message again */
Sleep(4800);
} /* while*/
}
|
上一页 1 2 3 4 5 6 7 下一页 | | | 感谢
访问天极网，如果您觉得该文章涉及版权问题，请看这里！
|
|
