8000 rework process handling by dothebart · Pull Request #3322 · arangodb/arangodb · GitHub
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rework process handling #3322

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Merged
merged 16 commits into from
Sep 28, 2017
Merged

rework process handling #3322

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3ed6eb5
the Cookbook deserves a capital C!
dothebart Sep 21, 2017
61fb249
rework kill external to behave similar on windows & linux, plus outpu…
dothebart Sep 21, 2017
fea42de
fix windows compile
dothebart Sep 21, 2017
f7719a2
C++ify process handling, make it work on linux
dothebart Sep 22, 2017
dd77634
fix windows compile
dothebart Sep 22, 2017
c809c0d
fix windows INVALID_HANDLE_VALUE handling all over the place
dothebart Sep 25, 2017
486c64f
fix missing include
dothebart Sep 25, 2017
608694e
Merge branch 'devel' of github.com:arangodb/ArangoDB into bug-fix/rew…
dothebart Sep 25, 2017
af69301
don't ignore signals on spawned processes
dothebart Sep 25, 2017
92ebdcc
DRY.
dothebart Sep 25, 2017
8ec65e0
define signals that aren't present on some platforms
dothebart Sep 26, 2017
981abcb
Merge branch 'devel' of https://github.com/arangodb/arangodb into bug…
fceller Sep 26, 2017
0082377
fix used number on mac.
dothebart Sep 27, 2017
d408fba
Merge branch 'bug-fix/rework_killexternal' of github.com:arangodb/Ara…
dothebart Sep 27, 2017
6d235ef
Merge branch 'devel' of github.com:arangodb/ArangoDB into bug-fix/rew…
dothebart Sep 27, 2017
64633d2
Merge branch 'devel' of github.com:arangodb/ArangoDB into bug-fix/rew…
dothebart Sep 28, 2017
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DRY.
  • Loading branch information
@dothebart
dothebart committed Sep 25, 2017
commit 92ebdcce1a78f69d330fe6db4a5b6cd34a61dbdc
242 changes: 105 additions & 137 deletions lib/V8/v8-utils.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -3384,6 +3384,106 @@ static void JS_HMAC(v8::FunctionCallbackInfo<v8::Value> const& args) {
TRI_V8_TRY_CATCH_END
}


////////////////////////////////////////////////////////////////////////////////
/// @brief Convert programm stati to V8
////////////////////////////////////////////////////////////////////////////////
static char const* convertProcessStatusToString(ExternalProcessStatus external) {
char const* status = "UNKNOWN";

switch (external._status) {
case TRI_EXT_NOT_STARTED:
status = "NOT-STARTED";
break;
case TRI_EXT_PIPE_FAILED:
status = "FAILED";
break;
case TRI_EXT_FORK_FAILED:
status = "FAILED";
break;
case TRI_EXT_RUNNING:
status = "RUNNING";
break;
case TRI_EXT_NOT_FOUND:
status = "NOT-FOUND";
break;
case TRI_EXT_TERMINATED:
status = "TERMINATED";
break;
case TRI_EXT_ABORTED:
status = "ABORTED";
break;
case TRI_EXT_STOPPED:
status = "STOPPED";
break;
}
return status;
}

static void convertPipeStatus(v8::FunctionCallbackInfo<v8::Value> const& args,
v8::Handle<v8::Object> &result,
ExternalId &external) {
TRI_V8_TRY_CATCH_BEGIN(isolate);

result->Set(TRI_V8_ASCII_STRING(isolate, "pid"),
v8::Number::New(isolate, external._pid));

// Now report about possible stdin and stdout pipes:
#ifndef _WIN32
if (external._readPipe >= 0) {
result->Set(TRI_V8_ASCII_STRING(isolate, "readPipe"),
v8::Number::New(isolate, external._readPipe));
}
if (external._writePipe >= 0) {
result->Set(TRI_V8_ASCII_STRING(isolate, "writePipe"),
v8::Number::New(isolate, external._writePipe));
}
#else
if (external._readPipe != INVALID_HANDLE_VALUE) {
auto fn = getFileNameFromHandle(external._readPipe);
if (fn.length() > 0) {
result->Set(TRI_V8_ASCII_STRING(isolate, "readPipe"),
TRI_V8_STD_STRING(isolate, fn));
}
}
if (external._writePipe != INVALID_HANDLE_VALUE) {
auto fn = getFileNameFromHandle(external._writePipe);
if (fn.length() > 0) {
result->Set(TRI_V8_ASCII_STRING(isolate, "writePipe"),
TRI_V8_STD_STRING(isolate, fn));
}
}
#endif
TRI_V8_TRY_CATCH_END;
}

static void convertStatusToV8(v8::FunctionCallbackInfo<v8::Value> const& args,
v8::Handle<v8::Object> &result,
ExternalProcessStatus &external_status,
ExternalId &external) {
TRI_V8_TRY_CATCH_BEGIN(isolate);

convertPipeStatus(args, result, external);

result->Set(TRI_V8_ASCII_STRING(isolate, "status"),
TRI_V8_ASCII_STRING(isolate, convertProcessStatusToString(external_status)));

if (external_status._status == TRI_EXT_TERMINATED) {
result->Set(TRI_V8_ASCII_STRING(isolate, "exit"),
v8::Integer::New(isolate, static_cast<int32_t>(
external_status._exitStatus)));
} else if (external_status._status == TRI_EXT_ABORTED) {
result->Set(TRI_V8_ASCII_STRING(isolate, "signal"),
v8::Integer::New(isolate, static_cast<int32_t>(
external_status._exitStatus)));
}
if (external_status._errorMessage.length() > 0) {
result->Set(TRI_V8_ASCII_STRING(isolate, "errorMessage"),
TRI_V8_STD_STRING(isolate, external_status._errorMessage));
}
TRI_V8_TRY_CATCH_END;
}

////////////////////////////////////////////////////////////////////////////////
/// @brief executes a external program
////////////////////////////////////////////////////////////////////////////////
Expand Down Expand Up @@ -3470,34 +3570,9 @@ static void JS_ExecuteExternal(
TRI_V8_THROW_ERROR("Process could not be started");
}
v8::Handle<v8::Object> result = v8::Object::New(isolate);
result->Set(TRI_V8_ASCII_STRING(isolate, "pid"),
v8::Number::New(isolate, external._pid));
// Now report about possible stdin and stdout pipes:
#ifndef _WIN32
if (external._readPipe >= 0) {
result->Set(TRI_V8_ASCII_STRING(isolate, "readPipe"),
v8::Number::New(isolate, external._readPipe));
}
if (external._writePipe >= 0) {
result->Set(TRI_V8_ASCII_STRING(isolate, "writePipe"),
v8::Number::New(isolate, external._writePipe));
}
#else
if (external._readPipe != INVALID_HANDLE_VALUE) {
auto fn = getFileNameFromHandle(external._readPipe);
if (fn.length() > 0) {
result->Set(TRI_V8_ASCII_STRING(isolate, "readPipe"),
TRI_V8_STD_STRING(isolate, fn));
}
}
if (external._writePipe != INVALID_HANDLE_VALUE) {
auto fn = getFileNameFromHandle(external._writePipe);
if (fn.length() > 0) {
result->Set(TRI_V8_ASCII_STRING(isolate, "writePipe"),
TRI_V8_STD_STRING(isolate, fn));
}
}
#endif

convertPipeStatus(args, result, external);

TRI_V8_RETURN(result);
TRI_V8_TRY_CATCH_END
}
Expand Down Expand Up @@ -3531,36 +3606,9 @@ static void JS_StatusExternal(v8::FunctionCallbackInfo<v8::Value> const& args) {
ExternalProcessStatus external = TRI_CheckExternalProcess(pid, wait);

v8::Handle<v8::Object> result = v8::Object::New(isolate);
char const* status = "UNKNOWN";

switch (external._status) {
case TRI_EXT_NOT_STARTED:
status = "NOT-STARTED";
break;
case TRI_EXT_PIPE_FAILED:
status = "FAILED";
break;
case TRI_EXT_FORK_FAILED:
status = "FAILED";
break;
case TRI_EXT_RUNNING:
status = "RUNNING";
break;
case TRI_EXT_NOT_FOUND:
status = "NOT-FOUND";
break;
case TRI_EXT_TERMINATED:
status = "TERMINATED";
break;
case TRI_EXT_ABORTED:
status = "ABORTED";
break;
case TRI_EXT_STOPPED:
status = "STOPPED";
break;
}

result->Set(TRI_V8_ASCII_STRING(isolate, "status"), TRI_V8_STRING(isolate, status));
result->Set(TRI_V8_ASCII_STRING(isolate, "status"),
TRI_V8_STRING(isolate, convertProcessStatusToString(external)));

if (external._status == TRI_EXT_TERMINATED) {
result->Set(
Expand All @@ -3579,86 +3627,6 @@ static void JS_StatusExternal(v8::FunctionCallbackInfo<v8::Value> const& args) {
TRI_V8_RETURN(result);
TRI_V8_TRY_CATCH_END
}


static void convertStatusToV8(v8::FunctionCallbackInfo<v8::Value> const& args,
v8::Handle<v8::Object> &result,
ExternalProcessStatus &external_status,
ExternalId &external) {
TRI_V8_TRY_CATCH_BEGIN(isolate);
result->Set(TRI_V8_ASCII_STRING(isolate, "pid"),
v8::Number::New(isolate, external._pid));
// Now report about possible stdin and stdout pipes:
#ifndef _WIN32
if (external._readPipe >= 0) {
result->Set(TRI_V8_ASCII_STRING(isolate, "readPipe"),
v8::Number::New(isolate, external._readPipe));
}
if (external._writePipe >= 0) {
result->Set(TRI_V8_ASCII_STRING(isolate, "writePipe"),
v8::Number::New(isolate, external._writePipe));
}
#else
if (external._readPipe != INVALID_HANDLE_VALUE) {
auto fn = getFileNameFromHandle(external._readPipe);
if (fn.length() > 0) {
result->Set(TRI_V8_ASCII_STRING(isolate, "readPipe"),
TRI_V8_STD_STRING(isolate, fn));
}
}
if (external._writePipe != INVALID_HANDLE_VALUE) {
auto fn = getFileNameFromHandle(external._writePipe);
if (fn.length() > 0) {
result->Set(TRI_V8_ASCII_STRING(isolate, "writePipe"),
TRI_V8_STD_STRING(isolate, fn));
}
}
#endif
char const* status = "UNKNOWN";
switch (external_status._status) {
case TRI_EXT_NOT_STARTED:
status = "NOT-STARTED";
break;
case TRI_EXT_PIPE_FAILED:
status = "FAILED";
break;
case TRI_EXT_FORK_FAILED:
status = "FAILED";
break;
case TRI_EXT_RUNNING:
status = "RUNNING";
break;
case TRI_EXT_NOT_FOUND:
status = "NOT-FOUND";
break;
case TRI_EXT_TERMINATED:
status = "TERMINATED";
break;
case TRI_EXT_ABORTED:
status = "ABORTED";
break;
case TRI_EXT_STOPPED:
status = "STOPPED";
break;
}

result->Set(TRI_V8_ASCII_STRING(isolate, "status"), TRI_V8_ASCII_STRING(isolate, status));

if (external_status._status == TRI_EXT_TERMINATED) {
result->Set(TRI_V8_ASCII_STRING(isolate, "exit"),
v8::Integer::New(isolate, static_cast<int32_t>(
external_status._exitStatus)));
} else if (external_status._status == TRI_EXT_ABORTED) {
result->Set(TRI_V8_ASCII_STRING(isolate, "signal"),
v8::Integer::New(isolate, static_cast<int32_t>(
external_status._exitStatus)));
}
if (external_status._errorMessage.length() > 0) {
result->Set(TRI_V8_ASCII_STRING(isolate, "errorMessage"),
TRI_V8_STD_STRING(isolate, external_status._errorMessage));
}
TRI_V8_TRY_CATCH_END
}
////////////////////////////////////////////////////////////////////////////////
/// @brief executes a external program
////////////////////////////////////////////////////////////////////////////////
Expand Down
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