CMake/Source/cmServerProtocol.cxx

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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2016 Tobias Hunger <tobias.hunger@qt.io>
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#include "cmServerProtocol.h"
#include "cmExternalMakefileProjectGenerator.h"
#include "cmServer.h"
#include "cmServerDictionary.h"
#include "cmSystemTools.h"
#include "cmake.h"
#include "cmServerDictionary.h"
#if defined(CMAKE_BUILD_WITH_CMAKE)
#include "cm_jsoncpp_reader.h"
#include "cm_jsoncpp_value.h"
#endif
cmServerRequest::cmServerRequest(cmServer* server, const std::string& t,
const std::string& c, const Json::Value& d)
: Type(t)
, Cookie(c)
, Data(d)
, m_Server(server)
{
}
void cmServerRequest::ReportProgress(int min, int current, int max,
const std::string& message) const
{
this->m_Server->WriteProgress(*this, min, current, max, message);
}
void cmServerRequest::ReportMessage(const std::string& message,
const std::string& title) const
{
m_Server->WriteMessage(*this, message, title);
}
cmServerResponse cmServerRequest::Reply(const Json::Value& data) const
{
cmServerResponse response(*this);
response.SetData(data);
return response;
}
cmServerResponse cmServerRequest::ReportError(const std::string& message) const
{
cmServerResponse response(*this);
response.SetError(message);
return response;
}
cmServerResponse::cmServerResponse(const cmServerRequest& request)
: Type(request.Type)
, Cookie(request.Cookie)
{
}
void cmServerResponse::SetData(const Json::Value& data)
{
assert(this->m_Payload == PAYLOAD_UNKNOWN);
if (!data[kCOOKIE_KEY].isNull() || !data[kTYPE_KEY].isNull()) {
this->SetError("Response contains cookie or type field.");
return;
}
this->m_Payload = PAYLOAD_DATA;
this->m_Data = data;
}
void cmServerResponse::SetError(const std::string& message)
{
assert(this->m_Payload == PAYLOAD_UNKNOWN);
this->m_Payload = PAYLOAD_ERROR;
this->m_ErrorMessage = message;
}
bool cmServerResponse::IsComplete() const
{
return this->m_Payload != PAYLOAD_UNKNOWN;
}
bool cmServerResponse::IsError() const
{
assert(this->m_Payload != PAYLOAD_UNKNOWN);
return this->m_Payload == PAYLOAD_ERROR;
}
std::string cmServerResponse::ErrorMessage() const
{
if (this->m_Payload == PAYLOAD_ERROR)
return this->m_ErrorMessage;
else
return std::string();
}
Json::Value cmServerResponse::Data() const
{
assert(this->m_Payload != PAYLOAD_UNKNOWN);
return this->m_Data;
}
bool cmServerProtocol::Activate(const cmServerRequest& request,
std::string* errorMessage)
{
this->m_CMakeInstance = std::make_unique<cmake>();
const bool result = this->DoActivate(request, errorMessage);
if (!result)
this->m_CMakeInstance = CM_NULLPTR;
return result;
}
cmake* cmServerProtocol::CMakeInstance() const
{
return this->m_CMakeInstance.get();
}
bool cmServerProtocol::DoActivate(const cmServerRequest& /*request*/,
std::string* /*errorMessage*/)
{
return true;
}
std::pair<int, int> cmServerProtocol1_0::ProtocolVersion() const
{
return std::make_pair(1, 0);
}
bool cmServerProtocol1_0::DoActivate(const cmServerRequest& request,
std::string* errorMessage)
{
std::string sourceDirectory = request.Data[kSOURCE_DIRECTORY_KEY].asString();
const std::string buildDirectory =
request.Data[kBUILD_DIRECTORY_KEY].asString();
std::string generator = request.Data[kGENERATOR_KEY].asString();
std::string extraGenerator = request.Data[kEXTRA_GENERATOR_KEY].asString();
if (buildDirectory.empty()) {
if (errorMessage)
*errorMessage =
std::string("\"") + kBUILD_DIRECTORY_KEY + "\" is missing.";
return false;
}
cmake* cm = CMakeInstance();
if (cmSystemTools::PathExists(buildDirectory)) {
if (!cmSystemTools::FileIsDirectory(buildDirectory)) {
if (errorMessage)
*errorMessage = std::string("\"") + kBUILD_DIRECTORY_KEY +
"\" exists but is not a directory.";
return false;
}
const std::string cachePath = cm->FindCacheFile(buildDirectory);
if (cm->LoadCache(cachePath)) {
cmState* state = cm->GetState();
// Check generator:
const std::string cachedGenerator =
std::string(state->GetCacheEntryValue("CMAKE_GENERATOR"));
if (cachedGenerator.empty() && generator.empty()) {
if (errorMessage)
*errorMessage =
std::string("\"") + kGENERATOR_KEY + "\" is required but unset.";
return false;
}
if (generator.empty()) {
generator = cachedGenerator;
}
if (generator != cachedGenerator) {
if (errorMessage)
*errorMessage = std::string("\"") + kGENERATOR_KEY +
"\" set but incompatible with configured generator.";
return false;
}
// check extra generator:
const std::string cachedExtraGenerator =
std::string(state->GetCacheEntryValue("CMAKE_EXTRA_GENERATOR"));
if (!cachedExtraGenerator.empty() && !extraGenerator.empty() &&
cachedExtraGenerator != extraGenerator) {
if (errorMessage)
*errorMessage = std::string("\"") + kEXTRA_GENERATOR_KEY +
"\" is set but incompatible with configured extra generator.";
return false;
}
if (extraGenerator.empty()) {
extraGenerator = cachedExtraGenerator;
}
// check sourcedir:
const std::string cachedSourceDirectory =
std::string(state->GetCacheEntryValue("CMAKE_HOME_DIRECTORY"));
if (!cachedSourceDirectory.empty() && !sourceDirectory.empty() &&
cachedSourceDirectory != sourceDirectory) {
if (errorMessage)
*errorMessage = std::string("\"") + kSOURCE_DIRECTORY_KEY +
"\" is set but incompatible with configured source directory.";
return false;
}
if (sourceDirectory.empty()) {
sourceDirectory = cachedSourceDirectory;
}
}
}
if (sourceDirectory.empty()) {
if (errorMessage)
*errorMessage = std::string("\"") + kSOURCE_DIRECTORY_KEY +
"\" is unset but required.";
return false;
}
if (!cmSystemTools::FileIsDirectory(sourceDirectory)) {
if (errorMessage)
*errorMessage =
std::string("\"") + kSOURCE_DIRECTORY_KEY + "\" is not a directory.";
return false;
}
if (generator.empty()) {
if (errorMessage)
*errorMessage =
std::string("\"") + kGENERATOR_KEY + "\" is unset but required.";
return false;
}
const std::string fullGeneratorName =
cmExternalMakefileProjectGenerator::CreateFullGeneratorName(
generator, extraGenerator);
cmGlobalGenerator* gg = cm->CreateGlobalGenerator(fullGeneratorName);
if (!gg) {
if (errorMessage)
*errorMessage =
std::string("Could not set up the requested combination of \"") +
kGENERATOR_KEY + "\" and \"" + kEXTRA_GENERATOR_KEY + "\"";
return false;
}
cm->SetGlobalGenerator(gg);
cm->SetHomeDirectory(sourceDirectory);
cm->SetHomeOutputDirectory(buildDirectory);
this->m_State = STATE_ACTIVE;
return true;
}
const cmServerResponse cmServerProtocol1_0::Process(
const cmServerRequest& request)
{
assert(this->m_State >= STATE_ACTIVE);
return request.ReportError("Unknown command!");
}
bool cmServerProtocol1_0::IsExperimental() const
{
return true;
}