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Code Issues Releases Wiki Activity

ircd::vm: Introduce vm; temp demo an immediate context.

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This commit is contained in:
Jason Volk 2016-09-12 18:21:24 -07:00
parent fcd410d656
commit ca4e04d85f
7 changed files with 137 additions and 47 deletions
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6
include/ircd/cmds.h
View file

@ -56,14 +56,8 @@ bool exists(const std::string &name);
cmd *find(const std::string &name, const std::nothrow_t &);
cmd &find(const std::string &name);
void execute(client &client, line);
void execute(client &client, const std::string &line);
void execute(client &client, const uint8_t *const &line, const size_t &len);
void execute(client &client, tape &);
} // namespace cmds
using cmds::execute;
using cmds::cmd;
} // namespace ircd

1
include/ircd/stdinc.h
View file

@ -90,6 +90,7 @@ namespace ircd
#include "line.h"
#include "tape.h"
#include "cmds.h"
#include "vm.h"
#include "u_id.h"

44
include/ircd/vm.h Normal file
View file

@ -0,0 +1,44 @@
/*
* Copyright (C) 2016 Charybdis Development Team
* Copyright (C) 2016 Jason Volk <jason@zemos.net>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice is present in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#define HAVE_IRCD_VM_H
#ifdef __cplusplus
namespace ircd {
namespace vm {
struct pool
{
};
void execute(client &client, line);
void execute(client &client, tape &);
void execute(client &client, const std::string &line);
void execute(client &client, const uint8_t *const &line, const size_t &len);
} // namespace vm
using vm::execute;
} // namespace ircd
#endif

3
ircd/Makefile.am
View file

@ -43,7 +43,8 @@ libircd_la_SOURCES = \
info.cc \
cmds.cc \
ctx.cc \
client.cc
client.cc \
vm.cc
#authproc.cc \
#bandbi.cc \

4
ircd/client.cc
View file

@ -259,9 +259,7 @@ try
return;
auto &rbuf(client.rbuf);
auto &reel(rbuf.reel);
execute(client, reel);
recv_next(client);
execute(client, rbuf.reel);
}
catch(const std::exception &e)
{

37
ircd/cmds.cc
View file

@ -65,43 +65,6 @@ ircd::cmds::cmd::emplace()
log::info("Registered command \"%s\" to handler @ %p", name.c_str(), this);
}
void
ircd::cmds::execute(client &client,
tape &reel)
{
while(!reel.empty())
{
execute(client, std::move(reel.front()));
reel.pop_front();
}
}
void
ircd::cmds::execute(client &client,
const uint8_t *const &ptr,
const size_t &len)
{
execute(client, line(ptr, len));
}
void
ircd::cmds::execute(client &client,
const std::string &l)
{
execute(client, line(l));
}
void
ircd::cmds::execute(client &client,
line line)
{
if(line.empty())
return;
auto &handle(find(command(line)));
handle(client, std::move(line));
}
ircd::cmds::cmd &
ircd::cmds::find(const std::string &name)
try

89
ircd/vm.cc Normal file
View file

@ -0,0 +1,89 @@
/*
* Copyright (C) 2016 Charybdis Development Team
* Copyright (C) 2016 Jason Volk <jason@zemos.net>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice is present in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
namespace ircd {
} // namespace ircd
void
ircd::vm::execute(client &client,
const uint8_t *const &ptr,
const size_t &len)
{
execute(client, line(ptr, len));
}
void
ircd::vm::execute(client &client,
const std::string &l)
{
execute(client, line(l));
}
void
ircd::vm::execute(client &client,
tape &reel)
{
context([wp(weak_from(client)), &client, &reel]
{
auto cp(wp.lock()); // Hold the client for the lifetime of this context
if(!cp) // client already gone though
return;
while(!reel.empty()) try
{
auto &line(reel.front());
const scope pop([&reel]
{
reel.pop_front();
});
if(line.empty())
continue;
auto &handle(cmds::find(command(line)));
handle(client, std::move(line));
}
catch(const std::exception &e)
{
log::error("vm: %s", e.what());
disconnect(client);
finished(client);
return;
}
recv_next(client);
},
ctx::SELF_DESTRUCT);
}
void
ircd::vm::execute(client &client,
line line)
{
if(line.empty())
return;
auto &handle(cmds::find(command(line)));
handle(client, std::move(line));
}