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-rw-r--r--indra/llmessage/CMakeLists.txt3
-rw-r--r--indra/llmessage/llares.cpp8
-rw-r--r--indra/llmessage/llares.h12
-rw-r--r--indra/llmessage/llareslistener.cpp75
-rw-r--r--indra/llmessage/llareslistener.h37
-rw-r--r--indra/llmessage/llcachename.h6
-rw-r--r--indra/llmessage/llinstantmessage.cpp2
-rw-r--r--indra/llmessage/llpartdata.cpp2
-rw-r--r--indra/llmessage/llregionpresenceverifier.cpp2
-rw-r--r--indra/llmessage/llsdmessage.cpp7
-rw-r--r--indra/llmessage/llsdmessage.h3
-rwxr-xr-xindra/llmessage/llsdmessagebuilder.cpp1
-rwxr-xr-xindra/llmessage/llsdmessagereader.cpp1
-rw-r--r--indra/llmessage/tests/llareslistener_test.cpp200
-rw-r--r--indra/llmessage/tests/llregionpresenceverifier_test.cpp2
-rw-r--r--indra/llmessage/tests/test_llsdmessage_peer.py30
-rw-r--r--indra/llmessage/tests/testrunner.py53
17 files changed, 409 insertions, 35 deletions
diff --git a/indra/llmessage/CMakeLists.txt b/indra/llmessage/CMakeLists.txt
index 453286b83d..3eceda7901 100644
--- a/indra/llmessage/CMakeLists.txt
+++ b/indra/llmessage/CMakeLists.txt
@@ -23,6 +23,7 @@ include_directories(
set(llmessage_SOURCE_FILES
llares.cpp
+ llareslistener.cpp
llassetstorage.cpp
llblowfishcipher.cpp
llbuffer.cpp
@@ -105,6 +106,7 @@ set(llmessage_HEADER_FILES
CMakeLists.txt
llares.h
+ llareslistener.h
llassetstorage.h
llblowfishcipher.h
llbuffer.h
@@ -224,6 +226,7 @@ IF (NOT LINUX AND VIEWER)
lltemplatemessagedispatcher.cpp
llregionpresenceverifier.cpp
)
+
# set(TEST_DEBUG on)
set(test_libs
${LLMESSAGE_LIBRARIES}
diff --git a/indra/llmessage/llares.cpp b/indra/llmessage/llares.cpp
index fe37fe8142..acbf51d75c 100644
--- a/indra/llmessage/llares.cpp
+++ b/indra/llmessage/llares.cpp
@@ -33,6 +33,7 @@
*/
#include "linden_common.h"
+#include "llares.h"
#include <ares_dns.h>
#include <ares_version.h>
@@ -42,9 +43,10 @@
#include "apr_poll.h"
#include "llapr.h"
-#include "llares.h"
+#include "llareslistener.h"
#if defined(LL_WINDOWS)
+#pragma warning (disable : 4355) // 'this' used in initializer list: yes, intentionally
# define ns_c_in 1
# define NS_HFIXEDSZ 12 /* #/bytes of fixed data in header */
# define NS_QFIXEDSZ 4 /* #/bytes of fixed data in query */
@@ -102,7 +104,9 @@ void LLAres::QueryResponder::queryError(int code)
}
LLAres::LLAres() :
-chan_(NULL), mInitSuccess(false)
+ chan_(NULL),
+ mInitSuccess(false),
+ mListener(new LLAresListener("LLAres", this))
{
if (ares_init(&chan_) != ARES_SUCCESS)
{
diff --git a/indra/llmessage/llares.h b/indra/llmessage/llares.h
index c709a08499..78febcd560 100644
--- a/indra/llmessage/llares.h
+++ b/indra/llmessage/llares.h
@@ -36,7 +36,13 @@
#define LL_LLARES_H
#ifdef LL_WINDOWS
+// ares.h is broken on windows in that it depends on types defined in ws2tcpip.h
+// we need to include them first to work around it, but the headers issue warnings
+# pragma warning(push)
+# pragma warning(disable:4996)
+# include <winsock2.h>
# include <ws2tcpip.h>
+# pragma warning(pop)
#endif
#ifdef LL_STANDALONE
@@ -49,7 +55,10 @@
#include "llrefcount.h"
#include "lluri.h"
+#include <boost/shared_ptr.hpp>
+
class LLQueryResponder;
+class LLAresListener;
/**
* @brief Supported DNS RR types.
@@ -444,6 +453,9 @@ public:
protected:
ares_channel chan_;
bool mInitSuccess;
+ // boost::scoped_ptr would actually fit the requirement better, but it
+ // can't handle incomplete types as boost::shared_ptr can.
+ boost::shared_ptr<LLAresListener> mListener;
};
/**
diff --git a/indra/llmessage/llareslistener.cpp b/indra/llmessage/llareslistener.cpp
new file mode 100644
index 0000000000..a8beb8cbde
--- /dev/null
+++ b/indra/llmessage/llareslistener.cpp
@@ -0,0 +1,75 @@
+/**
+ * @file llareslistener.cpp
+ * @author Nat Goodspeed
+ * @date 2009-03-18
+ * @brief Implementation for llareslistener.
+ *
+ * $LicenseInfo:firstyear=2009&license=viewergpl$
+ * Copyright (c) 2009, Linden Research, Inc.
+ * $/LicenseInfo$
+ */
+
+// Precompiled header
+#include "linden_common.h"
+// associated header
+#include "llareslistener.h"
+// STL headers
+// std headers
+// external library headers
+// other Linden headers
+#include "llares.h"
+#include "llerror.h"
+#include "llevents.h"
+#include "llsdutil.h"
+
+LLAresListener::LLAresListener(const std::string& pumpname, LLAres* llares):
+ LLDispatchListener(pumpname, "op"),
+ mAres(llares)
+{
+ // add() every method we want to be able to invoke via this event API.
+ // Optional third parameter validates expected LLSD request structure.
+ add("rewriteURI", &LLAresListener::rewriteURI,
+ LLSD().insert("uri", LLSD()).insert("reply", LLSD()));
+}
+
+/// This UriRewriteResponder subclass packages returned URIs as an LLSD
+/// array to send back to the requester.
+class UriRewriteResponder: public LLAres::UriRewriteResponder
+{
+public:
+ /**
+ * Specify the request, containing the event pump name on which to send
+ * the reply.
+ */
+ UriRewriteResponder(const LLSD& request):
+ mReqID(request),
+ mPumpName(request["reply"])
+ {}
+
+ /// Called by base class with results. This is called in both the
+ /// success and error cases. On error, the calling logic passes the
+ /// original URI.
+ virtual void rewriteResult(const std::vector<std::string>& uris)
+ {
+ LLSD result;
+ for (std::vector<std::string>::const_iterator ui(uris.begin()), uend(uris.end());
+ ui != uend; ++ui)
+ {
+ result.append(*ui);
+ }
+ // This call knows enough to avoid trying to insert a map key into an
+ // LLSD array. It's there so that if, for any reason, we ever decide
+ // to change the response from array to map, it will Just Start Working.
+ mReqID.stamp(result);
+ LLEventPumps::instance().obtain(mPumpName).post(result);
+ }
+
+private:
+ LLReqID mReqID;
+ const std::string mPumpName;
+};
+
+void LLAresListener::rewriteURI(const LLSD& data)
+{
+ mAres->rewriteURI(data["uri"], new UriRewriteResponder(data));
+}
diff --git a/indra/llmessage/llareslistener.h b/indra/llmessage/llareslistener.h
new file mode 100644
index 0000000000..bf093b3d3d
--- /dev/null
+++ b/indra/llmessage/llareslistener.h
@@ -0,0 +1,37 @@
+/**
+ * @file llareslistener.h
+ * @author Nat Goodspeed
+ * @date 2009-03-18
+ * @brief LLEventPump API for LLAres. This header doesn't actually define the
+ * API; the API is defined by the pump name on which this class
+ * listens, and by the expected content of LLSD it receives.
+ *
+ * $LicenseInfo:firstyear=2009&license=viewergpl$
+ * Copyright (c) 2009, Linden Research, Inc.
+ * $/LicenseInfo$
+ */
+
+#if ! defined(LL_LLARESLISTENER_H)
+#define LL_LLARESLISTENER_H
+
+#include "lleventdispatcher.h"
+
+class LLAres;
+class LLSD;
+
+/// Listen on an LLEventPump with specified name for LLAres request events.
+class LLAresListener: public LLDispatchListener
+{
+public:
+ /// Specify the pump name on which to listen, and bind the LLAres instance
+ /// to use (e.g. gAres)
+ LLAresListener(const std::string& pumpname, LLAres* llares);
+
+private:
+ /// command["op"] == "rewriteURI"
+ void rewriteURI(const LLSD& data);
+
+ LLAres* mAres;
+};
+
+#endif /* ! defined(LL_LLARESLISTENER_H) */
diff --git a/indra/llmessage/llcachename.h b/indra/llmessage/llcachename.h
index c044b3d80d..8641437d86 100644
--- a/indra/llmessage/llcachename.h
+++ b/indra/llmessage/llcachename.h
@@ -42,9 +42,9 @@ class LLUUID;
typedef boost::signals2::signal<void (const LLUUID& id,
- const std::string& first_name,
- const std::string& last_name,
- BOOL is_group)> LLCacheNameSignal;
+ const std::string& first_name,
+ const std::string& last_name,
+ BOOL is_group)> LLCacheNameSignal;
typedef LLCacheNameSignal::slot_type LLCacheNameCallback;
// Old callback with user data for compatability
diff --git a/indra/llmessage/llinstantmessage.cpp b/indra/llmessage/llinstantmessage.cpp
index 7c63625004..3da41939fa 100644
--- a/indra/llmessage/llinstantmessage.cpp
+++ b/indra/llmessage/llinstantmessage.cpp
@@ -40,7 +40,7 @@
#include "lluuid.h"
#include "llsd.h"
#include "llsdserialize.h"
-#include "llsdutil.h"
+#include "llsdutil_math.h"
#include "llpointer.h"
#include "message.h"
diff --git a/indra/llmessage/llpartdata.cpp b/indra/llmessage/llpartdata.cpp
index 485bc6aa44..9376cde7b5 100644
--- a/indra/llmessage/llpartdata.cpp
+++ b/indra/llmessage/llpartdata.cpp
@@ -39,6 +39,8 @@
#include "v4coloru.h"
#include "llsdutil.h"
+#include "llsdutil_math.h"
+
const S32 PS_PART_DATA_BLOCK_SIZE = 4 + 2 + 4 + 4 + 2 + 2; // 18
diff --git a/indra/llmessage/llregionpresenceverifier.cpp b/indra/llmessage/llregionpresenceverifier.cpp
index e02c735ce7..b1868e6a00 100644
--- a/indra/llmessage/llregionpresenceverifier.cpp
+++ b/indra/llmessage/llregionpresenceverifier.cpp
@@ -30,6 +30,8 @@
* $/LicenseInfo$
*/
+#include "linden_common.h"
+
#include "llregionpresenceverifier.h"
#include "llhttpclientinterface.h"
#include <sstream>
diff --git a/indra/llmessage/llsdmessage.cpp b/indra/llmessage/llsdmessage.cpp
index 9967a6197f..2cb742e261 100644
--- a/indra/llmessage/llsdmessage.cpp
+++ b/indra/llmessage/llsdmessage.cpp
@@ -68,6 +68,7 @@ bool LLSDMessage::httpListener(const LLSD& request)
}
LLHTTPClient::post(url, payload,
new LLSDMessage::EventResponder(LLEventPumps::instance(),
+ request,
url, "POST", reply, error),
LLSD(), // headers
timeout);
@@ -81,7 +82,9 @@ void LLSDMessage::EventResponder::result(const LLSD& data)
// to the pump whose name is "".
if (! mReplyPump.empty())
{
- mPumps.obtain(mReplyPump).post(data);
+ LLSD response(data);
+ mReqID.stamp(response);
+ mPumps.obtain(mReplyPump).post(response);
}
else // default success handling
{
@@ -98,7 +101,7 @@ void LLSDMessage::EventResponder::errorWithContent(U32 status, const std::string
// explicit pump name.
if (! mErrorPump.empty())
{
- LLSD info;
+ LLSD info(mReqID.makeResponse());
info["target"] = mTarget;
info["message"] = mMessage;
info["status"] = LLSD::Integer(status);
diff --git a/indra/llmessage/llsdmessage.h b/indra/llmessage/llsdmessage.h
index 65503756a8..6ee00fd41d 100644
--- a/indra/llmessage/llsdmessage.h
+++ b/indra/llmessage/llsdmessage.h
@@ -121,9 +121,11 @@ private:
* (e.g. "POST") as @a message.
*/
EventResponder(LLEventPumps& pumps,
+ const LLSD& request,
const std::string& target, const std::string& message,
const std::string& replyPump, const std::string& errorPump):
mPumps(pumps),
+ mReqID(request),
mTarget(target),
mMessage(message),
mReplyPump(replyPump),
@@ -135,6 +137,7 @@ private:
private:
LLEventPumps& mPumps;
+ LLReqID mReqID;
const std::string mTarget, mMessage, mReplyPump, mErrorPump;
};
diff --git a/indra/llmessage/llsdmessagebuilder.cpp b/indra/llmessage/llsdmessagebuilder.cpp
index 21937f022f..6e41b03895 100755
--- a/indra/llmessage/llsdmessagebuilder.cpp
+++ b/indra/llmessage/llsdmessagebuilder.cpp
@@ -37,6 +37,7 @@
#include "llmessagetemplate.h"
#include "llquaternion.h"
#include "llsdutil.h"
+#include "llsdutil_math.h"
#include "llsdserialize.h"
#include "u64.h"
#include "v3dmath.h"
diff --git a/indra/llmessage/llsdmessagereader.cpp b/indra/llmessage/llsdmessagereader.cpp
index e699ec9e28..845a12d23b 100755
--- a/indra/llmessage/llsdmessagereader.cpp
+++ b/indra/llmessage/llsdmessagereader.cpp
@@ -38,6 +38,7 @@
#include "llsdmessagebuilder.h"
#include "llsdutil.h"
+#include "llsdutil_math.h"
#include "v3math.h"
#include "v4math.h"
#include "v3dmath.h"
diff --git a/indra/llmessage/tests/llareslistener_test.cpp b/indra/llmessage/tests/llareslistener_test.cpp
new file mode 100644
index 0000000000..ac4886ccf4
--- /dev/null
+++ b/indra/llmessage/tests/llareslistener_test.cpp
@@ -0,0 +1,200 @@
+/**
+ * @file llareslistener_test.cpp
+ * @author Mark Palange
+ * @date 2009-02-26
+ * @brief Tests of llareslistener.h.
+ *
+ * $LicenseInfo:firstyear=2009&license=internal$
+ * Copyright (c) 2009, Linden Research, Inc.
+ * $/LicenseInfo$
+ */
+
+#if LL_WINDOWS
+#pragma warning (disable : 4355) // 'this' used in initializer list: yes, intentionally
+#endif
+
+// Precompiled header
+#include "linden_common.h"
+// associated header
+#include "../llareslistener.h"
+// STL headers
+#include <iostream>
+// std headers
+// external library headers
+#include <boost/bind.hpp>
+
+// other Linden headers
+#include "llsd.h"
+#include "llares.h"
+#include "../test/lltut.h"
+#include "llevents.h"
+#include "tests/wrapllerrs.h"
+
+/*****************************************************************************
+* Dummy stuff
+*****************************************************************************/
+LLAres::LLAres():
+ // Simulate this much of the real LLAres constructor: we need an
+ // LLAresListener instance.
+ mListener(new LLAresListener("LLAres", this))
+{}
+LLAres::~LLAres() {}
+void LLAres::rewriteURI(const std::string &uri,
+ LLAres::UriRewriteResponder *resp)
+{
+ // This is the only LLAres method I chose to implement.
+ // The effect is that LLAres returns immediately with
+ // a result that is equal to the input uri.
+ std::vector<std::string> result;
+ result.push_back(uri);
+ resp->rewriteResult(result);
+}
+
+LLAres::QueryResponder::~QueryResponder() {}
+void LLAres::QueryResponder::queryError(int) {}
+void LLAres::QueryResponder::queryResult(char const*, size_t) {}
+LLQueryResponder::LLQueryResponder() {}
+void LLQueryResponder::queryResult(char const*, size_t) {}
+void LLQueryResponder::querySuccess() {}
+void LLAres::UriRewriteResponder::queryError(int) {}
+void LLAres::UriRewriteResponder::querySuccess() {}
+void LLAres::UriRewriteResponder::rewriteResult(const std::vector<std::string>& uris) {}
+
+/*****************************************************************************
+* TUT
+*****************************************************************************/
+namespace tut
+{
+ struct data
+ {
+ LLAres dummyAres;
+ };
+ typedef test_group<data> llareslistener_group;
+ typedef llareslistener_group::object object;
+ llareslistener_group llareslistenergrp("llareslistener");
+
+ struct ResponseCallback
+ {
+ std::vector<std::string> mURIs;
+ bool operator()(const LLSD& response)
+ {
+ mURIs.clear();
+ for (LLSD::array_const_iterator ri(response.beginArray()), rend(response.endArray());
+ ri != rend; ++ri)
+ {
+ mURIs.push_back(*ri);
+ }
+ return false;
+ }
+ };
+
+ template<> template<>
+ void object::test<1>()
+ {
+ set_test_name("test event");
+ // Tests the success and failure cases, since they both use
+ // the same code paths in the LLAres responder.
+ ResponseCallback response;
+ std::string pumpname("trigger");
+ // Since we're asking LLEventPumps to obtain() the pump by the desired
+ // name, it will persist beyond the current scope, so ensure we
+ // disconnect from it when 'response' goes away.
+ LLTempBoundListener temp(
+ LLEventPumps::instance().obtain(pumpname).listen("rewriteURIresponse",
+ boost::bind(&ResponseCallback::operator(), &response, _1)));
+ // Now build an LLSD request that will direct its response events to
+ // that pump.
+ const std::string testURI("login.bar.com");
+ LLSD request;
+ request["op"] = "rewriteURI";
+ request["uri"] = testURI;
+ request["reply"] = pumpname;
+ LLEventPumps::instance().obtain("LLAres").post(request);
+ ensure_equals(response.mURIs.size(), 1);
+ ensure_equals(response.mURIs.front(), testURI);
+ }
+
+ template<> template<>
+ void object::test<2>()
+ {
+ set_test_name("bad op");
+ WrapLL_ERRS capture;
+ LLSD request;
+ request["op"] = "foo";
+ std::string threw;
+ try
+ {
+ LLEventPumps::instance().obtain("LLAres").post(request);
+ }
+ catch (const WrapLL_ERRS::FatalException& e)
+ {
+ threw = e.what();
+ }
+ ensure_contains("LLAresListener bad op", threw, "bad");
+ }
+
+ template<> template<>
+ void object::test<3>()
+ {
+ set_test_name("bad rewriteURI request");
+ WrapLL_ERRS capture;
+ LLSD request;
+ request["op"] = "rewriteURI";
+ std::string threw;
+ try
+ {
+ LLEventPumps::instance().obtain("LLAres").post(request);
+ }
+ catch (const WrapLL_ERRS::FatalException& e)
+ {
+ threw = e.what();
+ }
+ ensure_contains("LLAresListener bad req", threw, "missing");
+ ensure_contains("LLAresListener bad req", threw, "reply");
+ ensure_contains("LLAresListener bad req", threw, "uri");
+ }
+
+ template<> template<>
+ void object::test<4>()
+ {
+ set_test_name("bad rewriteURI request");
+ WrapLL_ERRS capture;
+ LLSD request;
+ request["op"] = "rewriteURI";
+ request["reply"] = "nonexistent";
+ std::string threw;
+ try
+ {
+ LLEventPumps::instance().obtain("LLAres").post(request);
+ }
+ catch (const WrapLL_ERRS::FatalException& e)
+ {
+ threw = e.what();
+ }
+ ensure_contains("LLAresListener bad req", threw, "missing");
+ ensure_contains("LLAresListener bad req", threw, "uri");
+ ensure_does_not_contain("LLAresListener bad req", threw, "reply");
+ }
+
+ template<> template<>
+ void object::test<5>()
+ {
+ set_test_name("bad rewriteURI request");
+ WrapLL_ERRS capture;
+ LLSD request;
+ request["op"] = "rewriteURI";
+ request["uri"] = "foo.bar.com";
+ std::string threw;
+ try
+ {
+ LLEventPumps::instance().obtain("LLAres").post(request);
+ }
+ catch (const WrapLL_ERRS::FatalException& e)
+ {
+ threw = e.what();
+ }
+ ensure_contains("LLAresListener bad req", threw, "missing");
+ ensure_contains("LLAresListener bad req", threw, "reply");
+ ensure_does_not_contain("LLAresListener bad req", threw, "uri");
+ }
+}
diff --git a/indra/llmessage/tests/llregionpresenceverifier_test.cpp b/indra/llmessage/tests/llregionpresenceverifier_test.cpp
index b7602ef15c..c86126406e 100644
--- a/indra/llmessage/tests/llregionpresenceverifier_test.cpp
+++ b/indra/llmessage/tests/llregionpresenceverifier_test.cpp
@@ -29,6 +29,8 @@
* $/LicenseInfo$
*/
+#include "linden_common.h"
+
#include "../test/lltut.h"
#include "llregionpresenceverifier.h"
#include "llcurl_stub.cpp"
diff --git a/indra/llmessage/tests/test_llsdmessage_peer.py b/indra/llmessage/tests/test_llsdmessage_peer.py
index e62f20912b..86d5761b1b 100644
--- a/indra/llmessage/tests/test_llsdmessage_peer.py
+++ b/indra/llmessage/tests/test_llsdmessage_peer.py
@@ -16,16 +16,12 @@ import os
import sys
from threading import Thread
from BaseHTTPServer import HTTPServer, BaseHTTPRequestHandler
+
mydir = os.path.dirname(__file__) # expected to be .../indra/llmessage/tests/
sys.path.insert(0, os.path.join(mydir, os.pardir, os.pardir, "lib", "python"))
from indra.util.fastest_elementtree import parse as xml_parse
from indra.base import llsd
-
-def debug(*args):
- sys.stdout.writelines(args)
- sys.stdout.flush()
-# comment out the line below to enable debug output
-debug = lambda *args: None
+from testrunner import run, debug
class TestHTTPRequestHandler(BaseHTTPRequestHandler):
"""This subclass of BaseHTTPRequestHandler is to receive and echo
@@ -106,25 +102,5 @@ class TestHTTPServer(Thread):
debug("Starting HTTP server...\n")
httpd.serve_forever()
-def main(*args):
- # Start HTTP server thread. Note that this and all other comm server
- # threads should be daemon threads: we'll let them run "forever,"
- # confident that the whole process will terminate when the main thread
- # terminates, which will be when the test executable child process
- # terminates.
- httpThread = TestHTTPServer(name="httpd")
- httpThread.setDaemon(True)
- httpThread.start()
- # choice of os.spawnv():
- # - [v vs. l] pass a list of args vs. individual arguments,
- # - [no p] don't use the PATH because we specifically want to invoke the
- # executable passed as our first arg,
- # - [no e] child should inherit this process's environment.
- debug("Running %s...\n" % (" ".join(args)))
- sys.stdout.flush()
- rc = os.spawnv(os.P_WAIT, args[0], args)
- debug("%s returned %s\n" % (args[0], rc))
- return rc
-
if __name__ == "__main__":
- sys.exit(main(*sys.argv[1:]))
+ sys.exit(run(server=TestHTTPServer(name="httpd"), *sys.argv[1:]))
diff --git a/indra/llmessage/tests/testrunner.py b/indra/llmessage/tests/testrunner.py
new file mode 100644
index 0000000000..3b9c3a7a19
--- /dev/null
+++ b/indra/llmessage/tests/testrunner.py
@@ -0,0 +1,53 @@
+#!/usr/bin/python
+"""\
+@file testrunner.py
+@author Nat Goodspeed
+@date 2009-03-20
+@brief Utilities for writing wrapper scripts for ADD_COMM_BUILD_TEST unit tests
+
+$LicenseInfo:firstyear=2009&license=viewergpl$
+Copyright (c) 2009, Linden Research, Inc.
+$/LicenseInfo$
+"""
+
+import os
+import sys
+
+def debug(*args):
+ sys.stdout.writelines(args)
+ sys.stdout.flush()
+# comment out the line below to enable debug output
+debug = lambda *args: None
+
+def run(*args, **kwds):
+ """All positional arguments collectively form a command line, executed as
+ a synchronous child process.
+ In addition, pass server=new_thread_instance as an explicit keyword (to
+ differentiate it from an additional command-line argument).
+ new_thread_instance should be an instantiated but not yet started Thread
+ subclass instance, e.g.:
+ run("python", "-c", 'print "Hello, world!"', server=TestHTTPServer(name="httpd"))
+ """
+ # If there's no server= keyword arg, don't start a server thread: simply
+ # run a child process.
+ try:
+ thread = kwds.pop("server")
+ except KeyError:
+ pass
+ else:
+ # Start server thread. Note that this and all other comm server
+ # threads should be daemon threads: we'll let them run "forever,"
+ # confident that the whole process will terminate when the main thread
+ # terminates, which will be when the child process terminates.
+ thread.setDaemon(True)
+ thread.start()
+ # choice of os.spawnv():
+ # - [v vs. l] pass a list of args vs. individual arguments,
+ # - [no p] don't use the PATH because we specifically want to invoke the
+ # executable passed as our first arg,
+ # - [no e] child should inherit this process's environment.
+ debug("Running %s...\n" % (" ".join(args)))
+ sys.stdout.flush()
+ rc = os.spawnv(os.P_WAIT, args[0], args)
+ debug("%s returned %s\n" % (args[0], rc))
+ return rc