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// file : mod/mod-build-force.cxx -*- C++ -*-
// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#include <mod/mod-build-force.hxx>
#include <algorithm> // replace()
#include <odb/database.hxx>
#include <odb/transaction.hxx>
#include <web/module.hxx>
#include <libbrep/build.hxx>
#include <libbrep/build-odb.hxx>
#include <libbrep/package.hxx>
#include <libbrep/package-odb.hxx>
#include <mod/options.hxx>
using namespace std;
using namespace bbot;
using namespace brep::cli;
using namespace odb::core;
// While currently the user-defined copy constructor is not required (we don't
// need to deep copy nullptr's), it is a good idea to keep the placeholder
// ready for less trivial cases.
//
brep::build_force::
build_force (const build_force& r)
: database_module (r),
options_ (r.initialized_ ? r.options_ : nullptr)
{
}
void brep::build_force::
init (scanner& s)
{
MODULE_DIAG;
options_ = make_shared<options::build_force> (
s, unknown_mode::fail, unknown_mode::fail);
database_module::init (static_cast<options::package_db> (*options_),
options_->package_db_retry ());
if (options_->build_config_specified ())
database_module::init (static_cast<options::build> (*options_),
static_cast<options::build_db> (*options_),
options_->build_db_retry ());
}
bool brep::build_force::
handle (request& rq, response& rs)
{
using brep::version; // Not to confuse with module::version.
MODULE_DIAG;
if (build_db_ == nullptr)
throw invalid_request (501, "not implemented");
params::build_force params;
try
{
name_value_scanner s (rq.parameters ());
params = params::build_force (s, unknown_mode::fail, unknown_mode::fail);
}
catch (const cli::exception& e)
{
throw invalid_request (400, e.what ());
}
const string& reason (params.reason ());
if (reason.empty ())
throw invalid_request (400, "missing rebuild reason");
build_id id;
try
{
string& p (params.package ());
if (p.empty ())
throw invalid_argument ("empty package name");
// We accept the non-url-encoded version representation. Note that the
// parameter is already url-decoded by the web server, so we just restore
// the space character (that is otherwise forbidden in version
// representation) to the plus character.
//
// @@ Move to types-parsers.hxx?
//
auto parse_version = [] (string& v, const char* what) -> version
{
replace (v.begin (), v.end (), ' ', '+');
// Intercept exception handling to add the parsing error attribution.
//
try
{
return brep::version (v);
}
catch (const invalid_argument& e)
{
throw invalid_argument (string ("invalid ") + what + ": " + e.what ());
}
};
version package_version (parse_version (params.version (),
"package version"));
version toolchain_version (parse_version (params.toolchain_version (),
"toolchain version"));
string& c (params.configuration ());
if (c.empty ())
throw invalid_argument ("no configuration name");
id = build_id (package_id (move (p), package_version),
move (c),
toolchain_version);
}
catch (const invalid_argument& e)
{
throw invalid_request (400, e.what ());
}
// If the package build configuration expired (no such configuration,
// package, etc), then we respond with the 404 HTTP code (not found but may
// be available in the future).
//
auto config_expired = [] (const string& d)
{
throw invalid_request (404, "package build configuration expired: " + d);
};
// Make sure the build configuration still exists.
//
if (build_conf_map_->find (id.configuration.c_str ()) ==
build_conf_map_->end ())
config_expired ("no configuration");
// Make sure the package still exists.
//
{
transaction t (package_db_->begin ());
shared_ptr<package> p (package_db_->find<package> (id.package));
t.commit ();
if (p == nullptr)
config_expired ("no package");
}
// Load the package build configuration (if present), set the force flag and
// update the object's persistent state.
//
{
transaction t (build_db_->begin ());
shared_ptr<build> b (build_db_->find<build> (id));
if (b == nullptr)
config_expired ("no package configuration");
// Respond with 409 (conflict) if the package configuration is in
// inappropriate state for being rebuilt.
//
else if (b->state != build_state::built &&
b->state != build_state::building)
throw invalid_request (409, "state is " + to_string (b->state));
force_state force (b->state == build_state::built
? force_state::forced
: force_state::forcing);
if (b->force != force)
{
b->force = force;
build_db_->update (b);
l1 ([&]{trace << "force rebuild for "
<< b->package_name << '/' << b->package_version << ' '
<< b->configuration << ' '
<< b->toolchain_name << '-' << b->toolchain_version
<< ": " << reason;});
}
t.commit ();
}
// We have all the data, so don't buffer the response content.
//
ostream& os (rs.content (200, "text/plain;charset=utf-8", false));
os << "Rebuilding in " << options_->build_forced_rebuild_timeout ()
<< " seconds.";
return true;
}
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