Threads (untested)

This commit is contained in:
mpc
2004-06-26 02:16:54 +00:00
committed by zzz
parent 47c7c8177d
commit 44623065b4
9 changed files with 443 additions and 12 deletions

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@ -57,7 +57,8 @@ OBJS = $(OBJDIR)/bigint.o \
$(OBJDIR)/random.o \
$(OBJDIR)/rpc.o \
$(OBJDIR)/sam.o \
$(OBJDIR)/sha1.o
$(OBJDIR)/sha1.o \
$(OBJDIR)/thread.o
#
# Build rules

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@ -0,0 +1,88 @@
#
# This Makefile is compatible with GNU Make and should work on Linux
# (Tested on Debian 3.0)
#
#
# Your operating environment
#
OS = LINUX
#
# Directories
#
BINDIR = bin
LOGDIR = log
OBJDIR = obj
SRCDIR = src
SAMINCDIR = ../sam/c/inc
SAMLIBDIR = ../sam/c/lib
TOMCRYPTDIR = $(HOME)/libtomcrypt-0.96
#
# Programs
#
CC = g++
#
# Flags
#
CFLAGS = -g -march=i486 -pipe -Wall
CFLAGS += -DOS=$(OS)
#
# Libraries
#
CFLAGS += -I$(SAMINCDIR) -I$(TOMCRYPTDIR)
LDFLAGS = -L$(SAMLIBDIR) -L$(TOMCRYPTDIR)
LIBS = -lsam -ltomcrypt -lpthread
#
# Object files
#
OBJS = $(OBJDIR)/bigint.o \
$(OBJDIR)/chk.o \
$(OBJDIR)/config.o \
$(OBJDIR)/logger.o \
$(OBJDIR)/main.o \
$(OBJDIR)/mutex.o \
$(OBJDIR)/peers.o \
$(OBJDIR)/random.o \
$(OBJDIR)/rpc.o \
$(OBJDIR)/sam.o \
$(OBJDIR)/sha1.o \
$(OBJDIR)/thread.o
#
# Build rules
#
all: depend enclave
depend:
$(CC) $(CFLAGS) -MM $(SRCDIR)/*.cpp > .depend
$(OBJDIR)/%.o: $(SRCDIR)/%.cpp
$(CC) $(CFLAGS) -o $@ -c $<
enclave: $(OBJS)
$(CC) $(CFLAGS) $(LDFLAGS) -o $(BINDIR)/enclave $(OBJS) $(LIBS)
#
# Cleanup rules
#
clean:
-rm -f $(BINDIR)/* $(OBJDIR)/* .depend
clean-logs:
-rm -f $(LOGDIR)/*
tidy: clean clean-logs

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@ -0,0 +1,88 @@
#
# This Makefile is compatible with GNU Make and should work on Linux
# (Tested on Debian 3.0)
#
#
# Your operating environment
#
OS = MINGW
#
# Directories
#
BINDIR = bin
LOGDIR = log
OBJDIR = obj
SRCDIR = src
SAMINCDIR = C:\cygwin\home\Administrator\cvs\i2p\apps\sam\c\inc
SAMLIBDIR = C:\cygwin\home\Administrator\cvs\i2p\apps\sam\c\lib
TOMCRYPTDIR = C:\cygwin\home\Administrator\libtomcrypt-0.96
#
# Programs
#
CC = C:\Dev-Cpp\bin\g++
#
# Flags
#
CFLAGS = -g -march=i486 -pipe -Wall
CFLAGS += -DOS=$(OS)
#
# Libraries
#
CFLAGS += -I$(SAMINCDIR) -I$(TOMCRYPTDIR)
LDFLAGS = -L$(SAMLIBDIR) -L$(TOMCRYPTDIR)
LIBS = -lsam -ltomcrypt
#
# Object files
#
OBJS = $(OBJDIR)/bigint.o \
$(OBJDIR)/chk.o \
$(OBJDIR)/config.o \
$(OBJDIR)/logger.o \
$(OBJDIR)/main.o \
$(OBJDIR)/mutex.o \
$(OBJDIR)/peers.o \
$(OBJDIR)/random.o \
$(OBJDIR)/rpc.o \
$(OBJDIR)/sam.o \
$(OBJDIR)/sha1.o \
$(OBJDIR)/thread.o
#
# Build rules
#
all: depend enclave
depend:
$(CC) $(CFLAGS) -MM $(SRCDIR)/*.cpp > .depend
$(OBJDIR)/%.o: $(SRCDIR)/%.cpp
$(CC) $(CFLAGS) -o $@ -c $<
enclave: $(OBJS)
$(CC) $(CFLAGS) $(LDFLAGS) -o $(BINDIR)/enclave $(OBJS) $(LIBS)
#
# Cleanup rules
#
clean:
-rm -f $(BINDIR)/* $(OBJDIR)/* .depend
clean-logs:
-rm -f $(LOGDIR)/*
tidy: clean clean-logs

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@ -34,7 +34,7 @@
Mutex::Mutex(void)
{
#ifdef WINTHREADS
mutex = CreateMutex(NULL, false, NULL);
mutex = CreateMutex(NULL, FALSE, NULL);
if (mutex == NULL) {
LERROR << strerror(rc) << '\n';
throw runtime_error(strerror(rc));
@ -65,6 +65,9 @@ Mutex::~Mutex(void)
#endif
}
/*
* Locks the mutex
*/
void Mutex::lock(void)
{
#ifdef WINTHREADS
@ -82,6 +85,9 @@ void Mutex::lock(void)
#endif
}
/*
* Unlocks the mutex
*/
void Mutex::unlock(void)
{
#ifdef WINTHREADS

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@ -81,6 +81,8 @@ using namespace std;
/*
* Local includes
*/
#include "mutex.hpp" // Mutex (for thread.hpp)
#include "thread.hpp" // Thread
#include "logger.hpp" // Logger
#include "config.hpp" // Config
#include "sam_error.hpp" // for sam.hpp

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@ -71,7 +71,7 @@ Sam::Sam(const string& samhost, uint16_t samport, const string& destname,
Sam::~Sam(void)
{
delete peers; // this must be before set_connected(false)!
if (get_connected()) {
if (is_connected()) {
sam_close();
set_connected(false);
}
@ -89,7 +89,7 @@ Sam::~Sam(void)
void Sam::connect(const char* samhost, uint16_t samport, const char* destname,
uint_t tunneldepth)
{
assert(!get_connected());
assert(!is_connected());
LMINOR << "Connecting to SAM as '" << destname << "'\n";
samerr_t rc = sam_connect(samhost, samport, destname, SAM_DGRAM, tunneldepth);
if (rc == SAM_OK)
@ -114,7 +114,7 @@ void Sam::load_peers(void)
*/
void Sam::naming_lookup(const string& name) const
{
assert(get_connected());
assert(is_connected());
sam_naming_lookup(name.c_str());
}
@ -127,7 +127,7 @@ void Sam::naming_lookup(const string& name) const
*/
void Sam::parse_dgram(const string& dest, void* data, size_t size)
{
assert(get_connected());
assert(is_connected());
Peer* peer = peers->new_peer(dest);
Rpc rpc(peer);
rpc.parse(data, size);
@ -140,7 +140,7 @@ void Sam::parse_dgram(const string& dest, void* data, size_t size)
*/
void Sam::read_buffer(void)
{
assert(get_connected());
assert(is_connected());
sam_read_buffer();
}
@ -153,6 +153,7 @@ void Sam::read_buffer(void)
*/
void Sam::send_dgram(const string& dest, uchar_t *data, size_t size)
{
assert(is_connected());
samerr_t rc = sam_dgram_send(dest.c_str(), data, size);
assert(rc == SAM_OK); // i.e. not SAM_TOO_BIG
}
@ -189,10 +190,10 @@ bool Sam::valid_dest(const string& dest)
{
if (dest.size() != 516)
return false;
if (dest.substr(512, 4) == "AAAA") // note this AAAA signifies a null
return true; // certificate - may not be true in the
else // future
return false;
if (dest.substr(512, 4) == "AAAA") // Note this AAAA signifies a null
return true; // certificate and doesn't actually have
else // any bearing on validity, but we'll
return false; // keep this check here for now anyway
}
/*

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@ -55,7 +55,7 @@ class Sam {
private:
void connect(const char* samhost, uint16_t samport,
const char* destname, uint_t tunneldepth);
bool get_connected(void) const { return connected; }
bool is_connected(void) const { return connected; }
bool connected;
static bool exists;

185
apps/enclave/src/thread.cpp Normal file
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@ -0,0 +1,185 @@
/*
* Copyright (c) 2004, Matthew P. Cashdollar <mpc@innographx.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the author nor the names of any contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER
* OR CONTRIBUTORS 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.
*/
// Based on JThread by Jori Liesenborgs (MIT License) and SAM Threads (public
// domain) by Nickster
// JThread license: (just in case this is necessary)
/*
This file is a part of the JThread package, which contains some object-
oriented thread wrappers for different thread implementations.
Copyright (c) 2000-2001 Jori Liesenborgs (jori@lumumba.luc.ac.be)
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
*/
#include "platform.hpp"
#include "mutex.hpp"
#include "thread.hpp"
Thread::Thread(void)
{
retval = 0;
running = false;
}
Thread::~Thread(void)
{
kill();
}
/*
* Gets the return value of a finished thread
*/
void* Thread::get_retval(void)
{
void* val;
running_m.lock();
if (running)
val = 0;
else
val = retval;
running_m.unlock();
return val;
}
/*
* Checks if the thread is running
*
* Returns: true if it is running, false if it isn't
*/
bool Thread::is_running(void)
{
running_m.lock();
bool r = running;
running_m.unlock();
return r;
}
/*
* Stops the thread
* Generally NOT a good idea
*/
void Thread::kill(void)
{
running_m.lock();
assert(running);
#ifdef WINTHREADS
if (!TerminateThread(handle, 0)) {
TCHAR str[80];
LERROR << win_strerror(str, sizeof str) << '\n';
throw runtime_error(str);
}
#else
int rc = pthread_cancel(id);
if (rc != 0) {
LERROR << strerror(rc);
throw runtime_error(strerror(rc));
}
#endif
running = false;
running_m.unlock();
}
/*
* Starts the thread
*/
void Thread::start(void)
{
#ifndef NDEBUG
// check whether the thread is already running
running_m.lock();
assert(!running);
running_m.unlock();
#endif
continue_m.lock();
#ifdef WINTHREADS
handle = CreateThread(NULL, 0, &the_thread, this, 0, &id);
if (handle == NULL) {
TCHAR str[80];
LERROR << win_strerror(str, sizeof str) << '\n';
throw runtime_error(str);
}
#else
int rc = pthread_create(&id, NULL, &the_thread, this);
if (rc != 0) {
continue_m.unlock();
LERROR << strerror(rc) << '\n';
throw runtime_error(strerror(rc));
}
#endif
// Wait until `running' is set
running_m.lock();
while (!running) {
running_m.unlock();
running_m.lock();
}
running_m.unlock();
continue_m.unlock();
}
/*
* Wrapper for the thread
*/
void* Thread::the_thread(void *param)
{
Thread* t = static_cast<Thread*>(param);
t->running_m.lock();
t->running = true;
t->running_m.unlock();
// wait until we can continue
t->continue_m.lock();
t->continue_m.unlock();
void* ret = t->execute();
t->running_m.lock();
t->running = false;
t->retval = ret;
t->running_m.unlock();
return 0;
}

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@ -0,0 +1,60 @@
/*
* Copyright (c) 2004, Matthew P. Cashdollar <mpc@innographx.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the author nor the names of any contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER
* OR CONTRIBUTORS 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.
*/
#ifndef THREAD_HPP
#define THREAD_HPP
class Thread {
public:
Thread(void);
virtual ~Thread(void);
virtual void *execute(void) = 0;
void* get_retval(void);
bool is_running(void);
void kill(void);
void start(void);
private:
#ifdef WINTHREADS
static DWORD WINAPI the_thread(void* param);
HANDLE handle;
DWORD id;
#else
static void* the_thread(void* param);
pthread_t id;
#endif
void *retval;
bool running;
Mutex running_m;
Mutex continue_m;
};
#endif // THREAD_HPP