61 lines
1.1 KiB
C++
61 lines
1.1 KiB
C++
#include "IPipeClient.h"
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IPipeClient::IPipeClient()
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:m_pipe(INVALID_HANDLE_VALUE)
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{
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//
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}
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IPipeClient::~IPipeClient()
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{
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Close();
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}
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bool IPipeClient::Open(const char * name)
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{
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Close();
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m_pipe = CreateFile(
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name,
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GENERIC_READ | GENERIC_WRITE,
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0,
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NULL,
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OPEN_EXISTING,
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0,
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NULL);
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return m_pipe != INVALID_HANDLE_VALUE;
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}
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void IPipeClient::Close(void)
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{
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if(m_pipe != INVALID_HANDLE_VALUE)
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{
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CloseHandle(m_pipe);
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m_pipe = INVALID_HANDLE_VALUE;
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}
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}
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bool IPipeClient::ReadMessage(UInt8 * buf, UInt32 length)
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{
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UInt32 bytesRead;
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ReadFile(m_pipe, buf, length, &bytesRead, NULL);
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IPipeServer::MessageHeader * header = (IPipeServer::MessageHeader *)buf;
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return
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(bytesRead >= sizeof(IPipeServer::MessageHeader)) && // has a valid header
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(bytesRead >= (sizeof(IPipeServer::MessageHeader) + header->length));
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}
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bool IPipeClient::WriteMessage(IPipeServer::MessageHeader * msg)
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{
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UInt32 bytesWritten;
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UInt32 length = sizeof(IPipeServer::MessageHeader) + msg->length;
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WriteFile(m_pipe, msg, length, &bytesWritten, NULL);
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return bytesWritten >= length;
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}
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