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Merge bitcoin#15382: util: add RunCommandParseJSON
31cf68a [util] add RunCommandParseJSON (Sjors Provoost) c17f54e [ci] use boost::process (Sjors Provoost) 32128ba [doc] include Doxygen comments for HAVE_BOOST_PROCESS (Sjors Provoost) 3c84d85 [build] msvc: add boost::process (Sjors Provoost) c47e4bb [build] make boost-process opt-in (Sjors Provoost) 929cda5 configure: add ax_boost_process (Sjors Provoost) 8314c23 [depends] boost: patch unused variable in boost_process (Sjors Provoost) Pull request description: Prerequisite for external signer support in bitcoin#16546. Big picture overview in [this gist](https://gist.github.com/Sjors/29d06728c685e6182828c1ce9b74483d). This adds a new dependency [boost process](https://github.com/boostorg/process/tree/boost-1.64.0). This is part of Boost since 1.64 which is part of `depends`. Because the minimum Boost version is 1.47, this functionality is skipped for older versions of Boost. Use `./configure --with-boost-process` to opt in, which checks for the presence of Boost::Process. We add `UniValue runCommandParseJSON(const std::string& strCommand)` to `system.{h,cpp}` which calls an arbitrary command and processes the JSON returned by it. This is currently only called by the test suite. ~For testing purposes this adds a new regtest-only RPC method `runcommand`, as well as `test/mocks/command.py` used by functional tests.~ (this is no longer the case) TODO: - [ ] review boost process in bitcoin#15440 ACKs for top commit: achow101: ACK 31cf68a hebasto: re-ACK 31cf68a, only rebased (verified with `git range-diff`) and removed an unintentional tab character since the [previous](bitcoin#15382 (review)) review. meshcollider: Very light utACK 31cf68a, although I am not very confident with build stuff. promag: Code review ACK 31cf68a, don't mind the nit. ryanofsky: Code review ACK 31cf68a. I left some comments below that could be ignored or followed up later. The current change is clean and comprehensive. Tree-SHA512: c506e747014b263606e1f538ed4624a8ad7bcf4e025cb700c12cc5739964e254dc04a2bbb848996b170e2ccec3fbfa4fe9e2b3976b191222cfb82fc3e6ab182d
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# =========================================================================== | ||
# https://www.gnu.org/software/autoconf-archive/ax_boost_process.html | ||
# =========================================================================== | ||
# | ||
# SYNOPSIS | ||
# | ||
# AX_BOOST_PROCESS | ||
# | ||
# DESCRIPTION | ||
# | ||
# Test for Process library from the Boost C++ libraries. The macro | ||
# requires a preceding call to AX_BOOST_BASE. Further documentation is | ||
# available at <http://randspringer.de/boost/index.html>. | ||
# | ||
# This macro calls: | ||
# | ||
# AC_SUBST(BOOST_PROCESS_LIB) | ||
# | ||
# And sets: | ||
# | ||
# HAVE_BOOST_PROCESS | ||
# | ||
# LICENSE | ||
# | ||
# Copyright (c) 2008 Thomas Porschberg <thomas@randspringer.de> | ||
# Copyright (c) 2008 Michael Tindal | ||
# Copyright (c) 2008 Daniel Casimiro <dan.casimiro@gmail.com> | ||
# | ||
# Copying and distribution of this file, with or without modification, are | ||
# permitted in any medium without royalty provided the copyright notice | ||
# and this notice are preserved. This file is offered as-is, without any | ||
# warranty. | ||
|
||
#serial 2 | ||
|
||
AC_DEFUN([AX_BOOST_PROCESS], | ||
[ | ||
AC_ARG_WITH([boost-process], | ||
AS_HELP_STRING([--with-boost-process@<:@=special-lib@:>@], | ||
[use the Process library from boost - it is possible to specify a certain library for the linker | ||
e.g. --with-boost-process=boost_process-gcc-mt ]), | ||
[ | ||
if test "$withval" = "no"; then | ||
want_boost_process="no" | ||
elif test "$withval" = "yes"; then | ||
want_boost_process="yes" | ||
ax_boost_user_process_lib="" | ||
else | ||
want_boost_process="yes" | ||
ax_boost_user_process_lib="$withval" | ||
fi | ||
], | ||
[want_boost_process="yes"] | ||
) | ||
if test "x$want_boost_process" = "xyes"; then | ||
AC_REQUIRE([AC_PROG_CC]) | ||
AC_REQUIRE([AC_CANONICAL_BUILD]) | ||
CPPFLAGS_SAVED="$CPPFLAGS" | ||
CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS" | ||
export CPPFLAGS | ||
LDFLAGS_SAVED="$LDFLAGS" | ||
LDFLAGS="$LDFLAGS $BOOST_LDFLAGS" | ||
export LDFLAGS | ||
AC_CACHE_CHECK(whether the Boost::Process library is available, | ||
ax_cv_boost_process, | ||
[AC_LANG_PUSH([C++]) | ||
CXXFLAGS_SAVE=$CXXFLAGS | ||
CXXFLAGS= | ||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <boost/process.hpp>]], | ||
[[boost::process::child* child = new boost::process::child; delete child;]])], | ||
ax_cv_boost_process=yes, ax_cv_boost_process=no) | ||
CXXFLAGS=$CXXFLAGS_SAVE | ||
AC_LANG_POP([C++]) | ||
]) | ||
if test "x$ax_cv_boost_process" = "xyes"; then | ||
AC_SUBST(BOOST_CPPFLAGS) | ||
AC_DEFINE(HAVE_BOOST_PROCESS,,[define if the Boost::Process library is available]) | ||
BOOSTLIBDIR=`echo $BOOST_LDFLAGS | sed -e 's/@<:@^\/@:>@*//'` | ||
LDFLAGS_SAVE=$LDFLAGS | ||
if test "x$ax_boost_user_process_lib" = "x"; then | ||
for libextension in `ls -r $BOOSTLIBDIR/libboost_process* 2>/dev/null | sed 's,.*/lib,,' | sed 's,\..*,,'` ; do | ||
ax_lib=${libextension} | ||
AC_CHECK_LIB($ax_lib, exit, | ||
[BOOST_PROCESS_LIB="-l$ax_lib"; AC_SUBST(BOOST_PROCESS_LIB) link_process="yes"; break], | ||
[link_process="no"]) | ||
done | ||
if test "x$link_process" != "xyes"; then | ||
for libextension in `ls -r $BOOSTLIBDIR/boost_process* 2>/dev/null | sed 's,.*/,,' | sed -e 's,\..*,,'` ; do | ||
ax_lib=${libextension} | ||
AC_CHECK_LIB($ax_lib, exit, | ||
[BOOST_PROCESS_LIB="-l$ax_lib"; AC_SUBST(BOOST_PROCESS_LIB) link_process="yes"; break], | ||
[link_process="no"]) | ||
done | ||
fi | ||
else | ||
for ax_lib in $ax_boost_user_process_lib boost_process-$ax_boost_user_process_lib; do | ||
AC_CHECK_LIB($ax_lib, exit, | ||
[BOOST_PROCESS_LIB="-l$ax_lib"; AC_SUBST(BOOST_PROCESS_LIB) link_process="yes"; break], | ||
[link_process="no"]) | ||
done | ||
fi | ||
if test "x$ax_lib" = "x"; then | ||
AC_MSG_ERROR(Could not find a version of the Boost::Process library!) | ||
fi | ||
if test "x$link_process" = "xno"; then | ||
AC_MSG_ERROR(Could not link against $ax_lib !) | ||
fi | ||
fi | ||
CPPFLAGS="$CPPFLAGS_SAVED" | ||
LDFLAGS="$LDFLAGS_SAVED" | ||
fi | ||
]) |
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berkeleydb boost-filesystem boost-multi-index boost-signals2 boost-test boost-thread libevent[thread] zeromq double-conversion | ||
berkeleydb boost-filesystem boost-multi-index boost-process boost-signals2 boost-test boost-thread libevent[thread] zeromq double-conversion |
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// Copyright (c) 2019 The Bitcoin Core developers | ||
// Distributed under the MIT software license, see the accompanying | ||
// file COPYING or http://www.opensource.org/licenses/mit-license.php. | ||
// | ||
#include <test/util/setup_common.h> | ||
#include <util/system.h> | ||
#include <univalue.h> | ||
|
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#ifdef HAVE_BOOST_PROCESS | ||
#include <boost/process.hpp> | ||
#endif // HAVE_BOOST_PROCESS | ||
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#include <boost/test/unit_test.hpp> | ||
|
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BOOST_FIXTURE_TEST_SUITE(system_tests, BasicTestingSetup) | ||
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// At least one test is required (in case HAVE_BOOST_PROCESS is not defined). | ||
// Workaround for https://github.com/bitcoin/bitcoin/issues/19128 | ||
BOOST_AUTO_TEST_CASE(dummy) | ||
{ | ||
BOOST_CHECK(true); | ||
} | ||
|
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#ifdef HAVE_BOOST_PROCESS | ||
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bool checkMessage(const std::runtime_error& ex) | ||
{ | ||
// On Linux & Mac: "No such file or directory" | ||
// On Windows: "The system cannot find the file specified." | ||
const std::string what(ex.what()); | ||
BOOST_CHECK(what.find("file") != std::string::npos); | ||
return true; | ||
} | ||
|
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bool checkMessageFalse(const std::runtime_error& ex) | ||
{ | ||
BOOST_CHECK_EQUAL(ex.what(), std::string("RunCommandParseJSON error: process(false) returned 1: \n")); | ||
return true; | ||
} | ||
|
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bool checkMessageStdErr(const std::runtime_error& ex) | ||
{ | ||
const std::string what(ex.what()); | ||
BOOST_CHECK(what.find("RunCommandParseJSON error:") != std::string::npos); | ||
return checkMessage(ex); | ||
} | ||
|
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BOOST_AUTO_TEST_CASE(run_command) | ||
{ | ||
{ | ||
const UniValue result = RunCommandParseJSON(""); | ||
BOOST_CHECK(result.isNull()); | ||
} | ||
{ | ||
#ifdef WIN32 | ||
// Windows requires single quotes to prevent escaping double quotes from the JSON... | ||
const UniValue result = RunCommandParseJSON("echo '{\"success\": true}'"); | ||
#else | ||
// ... but Linux and macOS echo a single quote if it's used | ||
const UniValue result = RunCommandParseJSON("echo \"{\"success\": true}\""); | ||
#endif | ||
BOOST_CHECK(result.isObject()); | ||
const UniValue& success = find_value(result, "success"); | ||
BOOST_CHECK(!success.isNull()); | ||
BOOST_CHECK_EQUAL(success.getBool(), true); | ||
} | ||
{ | ||
// An invalid command is handled by Boost | ||
BOOST_CHECK_EXCEPTION(RunCommandParseJSON("invalid_command"), boost::process::process_error, checkMessage); // Command failed | ||
} | ||
{ | ||
// Return non-zero exit code, no output to stderr | ||
BOOST_CHECK_EXCEPTION(RunCommandParseJSON("false"), std::runtime_error, checkMessageFalse); | ||
} | ||
{ | ||
// Return non-zero exit code, with error message for stderr | ||
BOOST_CHECK_EXCEPTION(RunCommandParseJSON("ls nosuchfile"), std::runtime_error, checkMessageStdErr); | ||
} | ||
{ | ||
BOOST_REQUIRE_THROW(RunCommandParseJSON("echo \"{\""), std::runtime_error); // Unable to parse JSON | ||
} | ||
// Test std::in, except for Windows | ||
#ifndef WIN32 | ||
{ | ||
const UniValue result = RunCommandParseJSON("cat", "{\"success\": true}"); | ||
BOOST_CHECK(result.isObject()); | ||
const UniValue& success = find_value(result, "success"); | ||
BOOST_CHECK(!success.isNull()); | ||
BOOST_CHECK_EQUAL(success.getBool(), true); | ||
} | ||
#endif | ||
} | ||
#endif // HAVE_BOOST_PROCESS | ||
|
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BOOST_AUTO_TEST_SUITE_END() |
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