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Try reading multiple times from IPC.

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chriseth committed 2017-02-25 00:11:26 +01:00
1 parent d2c79bf8e9
commit 4305ecb0e7
2 files changed
+33 -16
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test/RPCSession.cpp
+25 -14
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@@ -16,19 +16,20 @@
The Implementation originally from https://msdn.microsoft.com/en-us/library/windows/desktop/aa365592(v=vs.85).aspx
*/
/** @file RPCSession.cpp
* @author Dimtiry Khokhlov <dimitry@ethdev.com>
* @author Alex Beregszaszi
* @date 2016
*/
/// @file RPCSession.cpp
/// Low-level IPC communication between the test framework and the Ethereum node.
#include "RPCSession.h"
#include <libdevcore/CommonData.h>
#include <json/reader.h>
#include <json/writer.h>
#include <string>
#include <stdio.h>
#include <thread>
#include <libdevcore/CommonData.h>
#include <json/reader.h>
#include <json/writer.h>
#include "RPCSession.h"
#include <chrono>
using namespace std;
using namespace dev;
@@ -107,13 +108,23 @@ string IPCSocket::sendRequest(string const& _req)
return string(m_readBuf, m_readBuf + cbRead);
#else
if (send(m_socket, _req.c_str(), _req.length(), 0) != (ssize_t)_req.length())
BOOST_FAIL("Writing on IPC failed");
BOOST_FAIL("Writing on IPC failed.");
ssize_t ret = recv(m_socket, m_readBuf, sizeof(m_readBuf), 0);
auto start = chrono::steady_clock::now();
ssize_t ret;
do
{
ret = recv(m_socket, m_readBuf, sizeof(m_readBuf), 0);
// Also consider closed socket an error.
if (ret < 0)
BOOST_FAIL("Reading on IPC failed.");
} while (
ret == 0 &&
chrono::duration_cast<chrono::milliseconds>(chrono::steady_clock::now() - start).count() < m_readTimeOutMS
);
// Also consider closed socket an error.
if (ret <= 0)
BOOST_FAIL("Reading on IPC failed");
if (ret == 0)
BOOST_FAIL("Timeout reading on IPC.");
return string(m_readBuf, m_readBuf + ret);
#endif