investigating using a processes rather than threads

4 files changed, 552 insertions, 0 deletions

diff --git a/processmodel/Makefile b/processmodel/Makefile
new file mode 100644
index 0000000..d2546e0
--- /dev/null
+++ b/processmodel/Makefile
@@ -0,0 +1,252 @@
+# The pre-processor and compiler options.
+
+#http://docs.gstreamer.com/display/GstSDK/Installing+on+Linux
+
+#MY_CFLAGS = -fpermissive -std=c++11 -Wno-error -I /opt/gstreamer-sdk/include/gstreamer-0.10/ -I /opt/gstreamer-sdk/include/glib-2.0 -I /opt/gstreamer-sdk/lib/glib-2.0/include -I /opt/gstreamer-sdk/include/libxml2 $(shell pkg-config  gstreamer-0.10 gstreamer-video-0.10 gstreamer-base-0.10 --cflags)
+MY_CFLAGS = -fpermissive -std=c++11
+#-Wno-error $(shell pkg-config  gstreamer-0.10 gstreamer-video-0.10 gstreamer-base-0.10 --cflags)
+
+# -I ../ffmpeg
+
+# The linker options.libgstaasinklibgstaasink.so
+MY_LIBS   = -lPocoNet -lPocoXML -lPocoUtil -lPocoFoundation -lvamp-hostsdk -lsndfile -L /usr/local/lib -lswscale -lavcodec -lavformat -lavfilter -lavdevice -lavutil
+#MY_LIBS   = -lPocoNet -lPocoXML -lPocoUtil -lPocoFoundation -lvamp-hostsdk -lsndfile -L /usr/local/lib -lswscale -lavcodec -lavformat -lavfilter -lavdevice -lavutil $(shell pkg-config  gstreamer-0.10 gstreamer-video-0.10 gstreamer-base-0.10 --libs)
+# -lgstreamer-0.10 -lgstreamer-video-0.10  -lgstreamer-base-0.10 -lglib-2.0 -lgstapp-0.10
+#MY_LIBS   = ../libavcodec/ffmpeg/libavcodec/libavcodec.a ../libavcodec/ffmpeg/libavutil/libavutil.a ../libavcodec/ffmpeg/libavformat/libavformat.a ../libavcodec/ffmpeg/libavfilter/libavfilter.a ../libavcodec/ffmpeg/libavdevice/libavdevice.a -lPocoNet -lPocoXML -lPocoUtil -lPocoFoundation -lvamp-hostsdk
+#GAH! HARD!
+
+# The pre-processor options used by the cpp (man cpp for more).
+CPPFLAGS  = -Wall
+
+# The options used in linking as well as in any direct use of ld.
+LDFLAGS   =
+
+# The directories in which source files reside.
+# If not specified, only the current directory will be serached.
+SRCDIRS   =
+
+# The executable file name.
+# If not specified, current directory name or `a.out' will be used.
+PROGRAM   =
+
+## Implicit Section: change the following only when necessary.
+##==========================================================================
+
+# The source file types (headers excluded).
+# .c indicates C source files, and others C++ ones.
+SRCEXTS = .c .C .cc .cpp .CPP .c++ .cxx .cp
+
+# The header file types.
+HDREXTS = .h .H .hh .hpp .HPP .h++ .hxx .hp
+
+# The pre-processor and compiler options.
+# Users can override those variables from the command line.
+CFLAGS  = -g -O2
+CXXFLAGS=
+
+# The C program compiler.
+#CC     = gcc
+
+# The C++ program compiler.
+#CXX    = g++
+
+# Un-comment the following line to compile C programs as C++ ones.
+#CC     = $(CXX)
+
+# The command used to delete file.
+RM     = rm -f
+
+ETAGS = etags
+ETAGSFLAGS =
+
+CTAGS = ctags
+CTAGSFLAGS =
+
+## Stable Section: usually no need to be changed. But you can add more.
+##==========================================================================
+SHELL   = /bin/sh
+EMPTY   =
+SPACE   = $(EMPTY) $(EMPTY)
+ifeq ($(PROGRAM),)
+  CUR_PATH_NAMES = $(subst /,$(SPACE),$(subst $(SPACE),_,$(CURDIR)))
+  PROGRAM = $(word $(words $(CUR_PATH_NAMES)),$(CUR_PATH_NAMES))
+  ifeq ($(PROGRAM),)
+    PROGRAM = a.out
+  endif
+endif
+ifeq ($(SRCDIRS),)
+  SRCDIRS = .
+endif
+SOURCES = $(foreach d,$(SRCDIRS),$(wildcard $(addprefix $(d)/*,$(SRCEXTS))))
+HEADERS = $(foreach d,$(SRCDIRS),$(wildcard $(addprefix $(d)/*,$(HDREXTS))))
+SRC_CXX = $(filter-out %.c,$(SOURCES))
+OBJS    = $(addsuffix .o, $(basename $(SOURCES)))
+DEPS    = $(OBJS:.o=.d)
+
+## Define some useful variables.
+DEP_OPT = $(shell if `$(CC) --version | grep "GCC" >/dev/null`; then \
+                  echo "-MM -MP"; else echo "-M"; fi )
+DEPEND      = $(CC)  $(DEP_OPT)  $(MY_CFLAGS) $(CFLAGS) $(CPPFLAGS)
+DEPEND.d    = $(subst -g ,,$(DEPEND))
+COMPILE.c   = $(CC)  $(MY_CFLAGS) $(CFLAGS)   $(CPPFLAGS) -c
+COMPILE.cxx = $(CXX) $(MY_CFLAGS) $(CXXFLAGS) $(CPPFLAGS) -c
+LINK.c      = $(CC)  $(MY_CFLAGS) $(CFLAGS)   $(CPPFLAGS) $(LDFLAGS)
+LINK.cxx    = $(CXX) $(MY_CFLAGS) $(CXXFLAGS) $(CPPFLAGS) $(LDFLAGS)
+
+.PHONY: all objs tags ctags clean distclean help show install
+
+# Delete the default suffixes
+.SUFFIXES:
+
+all: Release
+
+Clang: CXX = clang
+
+Clang: $(PROGRAM)
+
+Release: CXXFLAGS += -O2
+
+Release: $(PROGRAM)
+
+Debug: CXXFLAGS += -g3
+
+Debug: $(PROGRAM)
+
+prefix=/usr/local
+
+Install: rotord
+	strip rotord
+	install -m 0755 rotord $(prefix)/bin
+
+
+# Rules for creating dependency files (.d).
+#------------------------------------------
+
+%.d:%.c
+	@echo -n $(dir $<) > $@
+	@$(DEPEND.d) $< >> $@
+
+%.d:%.C
+	@echo -n $(dir $<) > $@
+	@$(DEPEND.d) $< >> $@
+
+%.d:%.cc
+	@echo -n $(dir $<) > $@
+	@$(DEPEND.d) $< >> $@
+
+%.d:%.cpp
+	@echo -n $(dir $<) > $@
+	@$(DEPEND.d) $< >> $@
+
+%.d:%.CPP
+	@echo -n $(dir $<) > $@
+	@$(DEPEND.d) $< >> $@
+
+%.d:%.c++
+	@echo -n $(dir $<) > $@
+	@$(DEPEND.d) $< >> $@
+
+%.d:%.cp
+	@echo -n $(dir $<) > $@
+	@$(DEPEND.d) $< >> $@
+
+%.d:%.cxx
+	@echo -n $(dir $<) > $@
+	@$(DEPEND.d) $< >> $@
+
+# Rules for generating object files (.o).
+#----------------------------------------
+objs:$(OBJS)
+
+%.o:%.c
+	$(COMPILE.c) $< -o $@
+
+%.o:%.C
+	$(COMPILE.cxx) $< -o $@
+
+%.o:%.cc
+	$(COMPILE.cxx) $< -o $@
+
+%.o:%.cpp
+	$(COMPILE.cxx) $< -o $@
+
+%.o:%.CPP
+	$(COMPILE.cxx) $< -o $@
+
+%.o:%.c++
+	$(COMPILE.cxx) $< -o $@
+
+%.o:%.cp
+	$(COMPILE.cxx) $< -o $@
+
+%.o:%.cxx
+	$(COMPILE.cxx) $< -o $@
+
+# Rules for generating the tags.
+#-------------------------------------
+tags: $(HEADERS) $(SOURCES)
+	$(ETAGS) $(ETAGSFLAGS) $(HEADERS) $(SOURCES)
+
+ctags: $(HEADERS) $(SOURCES)
+	$(CTAGS) $(CTAGSFLAGS) $(HEADERS) $(SOURCES)
+
+# Rules for generating the executable.
+#-------------------------------------
+$(PROGRAM):$(OBJS)
+ifeq ($(SRC_CXX),)              # C program
+	$(LINK.c)   $(OBJS) $(MY_LIBS) -o $@
+	@echo Type ./$@ to execute the program.
+else                            # C++ program
+	$(LINK.cxx) $(OBJS) $(MY_LIBS) -o $@
+	@echo Type ./$@ to execute the program.
+endif
+
+ifndef NODEP
+ifneq ($(DEPS),)
+  sinclude $(DEPS)
+endif
+endif
+
+
+clean:
+	$(RM) $(OBJS) $(PROGRAM) $(PROGRAM).exe
+
+distclean: clean
+	$(RM) $(DEPS) TAGS
+
+# Show help.
+help:
+	@echo 'Generic Makefile for C/C++ Programs (gcmakefile) version 0.5'
+	@echo 'Copyright (C) 2007, 2008 whyglinux <whyglinux@hotmail.com>'
+	@echo
+	@echo 'Usage: make [TARGET]'
+	@echo 'TARGETS:'
+	@echo '  all       (=make) compile and link.'
+	@echo '  NODEP=yes make without generating dependencies.'
+	@echo '  objs      compile only (no linking).'
+	@echo '  tags      create tags for Emacs editor.'
+	@echo '  ctags     create ctags for VI editor.'
+	@echo '  clean     clean objects and the executable file.'
+	@echo '  distclean clean objects, the executable and dependencies.'
+	@echo '  show      show variables (for debug use only).'
+	@echo '  help      print this message.'
+	@echo
+	@echo 'Report bugs to <whyglinux AT gmail DOT com>.'
+
+# Show variables (for debug use only.)
+show:
+	@echo 'PROGRAM     :' $(PROGRAM)
+	@echo 'SRCDIRS     :' $(SRCDIRS)
+	@echo 'HEADERS     :' $(HEADERS)
+	@echo 'SOURCES     :' $(SOURCES)
+	@echo 'SRC_CXX     :' $(SRC_CXX)
+	@echo 'OBJS        :' $(OBJS)
+	@echo 'DEPS        :' $(DEPS)
+	@echo 'DEPEND      :' $(DEPEND)
+	@echo 'COMPILE.c   :' $(COMPILE.c)
+	@echo 'COMPILE.cxx :' $(COMPILE.cxx)
+	@echo 'link.c      :' $(LINK.c)
+	@echo 'link.cxx    :' $(LINK.cxx)
+
+## End of the Makefile ##  Suggestions are welcome  ## All rights reserved ##
+#############################################################################
diff --git a/processmodel/processmodel.cpp b/processmodel/processmodel.cpp
new file mode 100644
index 0000000..ee75638
--- /dev/null
+++ b/processmodel/processmodel.cpp
@@ -0,0 +1,32 @@
+#include "Poco/Process.h"
+#include "Poco/PipeStream.h"
+#include "Poco/StreamCopier.h"
+#include <fstream>
+#include <iostream>
+using Poco::Process;
+using Poco::ProcessHandle;
+
+//1. make a basic executable that represents a render context
+//get message passing going
+//incorporate in REST server
+//fill in the details
+
+int main(int argc, char** argv)
+{
+	std::string cmd("rendercontext");
+	std::vector<std::string> args;
+	args.push_back("-ax");
+	Poco::Pipe outPipe;
+	Poco::Pipe inPipe;
+	ProcessHandle ph = Process::launch(cmd, args, &inPipe, &outPipe, 0);
+	Poco::PipeInputStream istr(outPipe);
+	Poco::PipeOutputStream ostr(inPipe);
+	//std::ofstream ostr("processes.txt");
+	//
+	while (true){
+		//Poco::StreamCopier::copyStream(istr,std::cout);
+		ostr<<std::cin;
+		std::cout<<istr;
+	}
+	return 0;
+}
\ No newline at end of file
diff --git a/processmodel/rendercontext_src/Makefile b/processmodel/rendercontext_src/Makefile
new file mode 100644
index 0000000..d2546e0
--- /dev/null
+++ b/processmodel/rendercontext_src/Makefile
@@ -0,0 +1,252 @@
+# The pre-processor and compiler options.
+
+#http://docs.gstreamer.com/display/GstSDK/Installing+on+Linux
+
+#MY_CFLAGS = -fpermissive -std=c++11 -Wno-error -I /opt/gstreamer-sdk/include/gstreamer-0.10/ -I /opt/gstreamer-sdk/include/glib-2.0 -I /opt/gstreamer-sdk/lib/glib-2.0/include -I /opt/gstreamer-sdk/include/libxml2 $(shell pkg-config  gstreamer-0.10 gstreamer-video-0.10 gstreamer-base-0.10 --cflags)
+MY_CFLAGS = -fpermissive -std=c++11
+#-Wno-error $(shell pkg-config  gstreamer-0.10 gstreamer-video-0.10 gstreamer-base-0.10 --cflags)
+
+# -I ../ffmpeg
+
+# The linker options.libgstaasinklibgstaasink.so
+MY_LIBS   = -lPocoNet -lPocoXML -lPocoUtil -lPocoFoundation -lvamp-hostsdk -lsndfile -L /usr/local/lib -lswscale -lavcodec -lavformat -lavfilter -lavdevice -lavutil
+#MY_LIBS   = -lPocoNet -lPocoXML -lPocoUtil -lPocoFoundation -lvamp-hostsdk -lsndfile -L /usr/local/lib -lswscale -lavcodec -lavformat -lavfilter -lavdevice -lavutil $(shell pkg-config  gstreamer-0.10 gstreamer-video-0.10 gstreamer-base-0.10 --libs)
+# -lgstreamer-0.10 -lgstreamer-video-0.10  -lgstreamer-base-0.10 -lglib-2.0 -lgstapp-0.10
+#MY_LIBS   = ../libavcodec/ffmpeg/libavcodec/libavcodec.a ../libavcodec/ffmpeg/libavutil/libavutil.a ../libavcodec/ffmpeg/libavformat/libavformat.a ../libavcodec/ffmpeg/libavfilter/libavfilter.a ../libavcodec/ffmpeg/libavdevice/libavdevice.a -lPocoNet -lPocoXML -lPocoUtil -lPocoFoundation -lvamp-hostsdk
+#GAH! HARD!
+
+# The pre-processor options used by the cpp (man cpp for more).
+CPPFLAGS  = -Wall
+
+# The options used in linking as well as in any direct use of ld.
+LDFLAGS   =
+
+# The directories in which source files reside.
+# If not specified, only the current directory will be serached.
+SRCDIRS   =
+
+# The executable file name.
+# If not specified, current directory name or `a.out' will be used.
+PROGRAM   =
+
+## Implicit Section: change the following only when necessary.
+##==========================================================================
+
+# The source file types (headers excluded).
+# .c indicates C source files, and others C++ ones.
+SRCEXTS = .c .C .cc .cpp .CPP .c++ .cxx .cp
+
+# The header file types.
+HDREXTS = .h .H .hh .hpp .HPP .h++ .hxx .hp
+
+# The pre-processor and compiler options.
+# Users can override those variables from the command line.
+CFLAGS  = -g -O2
+CXXFLAGS=
+
+# The C program compiler.
+#CC     = gcc
+
+# The C++ program compiler.
+#CXX    = g++
+
+# Un-comment the following line to compile C programs as C++ ones.
+#CC     = $(CXX)
+
+# The command used to delete file.
+RM     = rm -f
+
+ETAGS = etags
+ETAGSFLAGS =
+
+CTAGS = ctags
+CTAGSFLAGS =
+
+## Stable Section: usually no need to be changed. But you can add more.
+##==========================================================================
+SHELL   = /bin/sh
+EMPTY   =
+SPACE   = $(EMPTY) $(EMPTY)
+ifeq ($(PROGRAM),)
+  CUR_PATH_NAMES = $(subst /,$(SPACE),$(subst $(SPACE),_,$(CURDIR)))
+  PROGRAM = $(word $(words $(CUR_PATH_NAMES)),$(CUR_PATH_NAMES))
+  ifeq ($(PROGRAM),)
+    PROGRAM = a.out
+  endif
+endif
+ifeq ($(SRCDIRS),)
+  SRCDIRS = .
+endif
+SOURCES = $(foreach d,$(SRCDIRS),$(wildcard $(addprefix $(d)/*,$(SRCEXTS))))
+HEADERS = $(foreach d,$(SRCDIRS),$(wildcard $(addprefix $(d)/*,$(HDREXTS))))
+SRC_CXX = $(filter-out %.c,$(SOURCES))
+OBJS    = $(addsuffix .o, $(basename $(SOURCES)))
+DEPS    = $(OBJS:.o=.d)
+
+## Define some useful variables.
+DEP_OPT = $(shell if `$(CC) --version | grep "GCC" >/dev/null`; then \
+                  echo "-MM -MP"; else echo "-M"; fi )
+DEPEND      = $(CC)  $(DEP_OPT)  $(MY_CFLAGS) $(CFLAGS) $(CPPFLAGS)
+DEPEND.d    = $(subst -g ,,$(DEPEND))
+COMPILE.c   = $(CC)  $(MY_CFLAGS) $(CFLAGS)   $(CPPFLAGS) -c
+COMPILE.cxx = $(CXX) $(MY_CFLAGS) $(CXXFLAGS) $(CPPFLAGS) -c
+LINK.c      = $(CC)  $(MY_CFLAGS) $(CFLAGS)   $(CPPFLAGS) $(LDFLAGS)
+LINK.cxx    = $(CXX) $(MY_CFLAGS) $(CXXFLAGS) $(CPPFLAGS) $(LDFLAGS)
+
+.PHONY: all objs tags ctags clean distclean help show install
+
+# Delete the default suffixes
+.SUFFIXES:
+
+all: Release
+
+Clang: CXX = clang
+
+Clang: $(PROGRAM)
+
+Release: CXXFLAGS += -O2
+
+Release: $(PROGRAM)
+
+Debug: CXXFLAGS += -g3
+
+Debug: $(PROGRAM)
+
+prefix=/usr/local
+
+Install: rotord
+	strip rotord
+	install -m 0755 rotord $(prefix)/bin
+
+
+# Rules for creating dependency files (.d).
+#------------------------------------------
+
+%.d:%.c
+	@echo -n $(dir $<) > $@
+	@$(DEPEND.d) $< >> $@
+
+%.d:%.C
+	@echo -n $(dir $<) > $@
+	@$(DEPEND.d) $< >> $@
+
+%.d:%.cc
+	@echo -n $(dir $<) > $@
+	@$(DEPEND.d) $< >> $@
+
+%.d:%.cpp
+	@echo -n $(dir $<) > $@
+	@$(DEPEND.d) $< >> $@
+
+%.d:%.CPP
+	@echo -n $(dir $<) > $@
+	@$(DEPEND.d) $< >> $@
+
+%.d:%.c++
+	@echo -n $(dir $<) > $@
+	@$(DEPEND.d) $< >> $@
+
+%.d:%.cp
+	@echo -n $(dir $<) > $@
+	@$(DEPEND.d) $< >> $@
+
+%.d:%.cxx
+	@echo -n $(dir $<) > $@
+	@$(DEPEND.d) $< >> $@
+
+# Rules for generating object files (.o).
+#----------------------------------------
+objs:$(OBJS)
+
+%.o:%.c
+	$(COMPILE.c) $< -o $@
+
+%.o:%.C
+	$(COMPILE.cxx) $< -o $@
+
+%.o:%.cc
+	$(COMPILE.cxx) $< -o $@
+
+%.o:%.cpp
+	$(COMPILE.cxx) $< -o $@
+
+%.o:%.CPP
+	$(COMPILE.cxx) $< -o $@
+
+%.o:%.c++
+	$(COMPILE.cxx) $< -o $@
+
+%.o:%.cp
+	$(COMPILE.cxx) $< -o $@
+
+%.o:%.cxx
+	$(COMPILE.cxx) $< -o $@
+
+# Rules for generating the tags.
+#-------------------------------------
+tags: $(HEADERS) $(SOURCES)
+	$(ETAGS) $(ETAGSFLAGS) $(HEADERS) $(SOURCES)
+
+ctags: $(HEADERS) $(SOURCES)
+	$(CTAGS) $(CTAGSFLAGS) $(HEADERS) $(SOURCES)
+
+# Rules for generating the executable.
+#-------------------------------------
+$(PROGRAM):$(OBJS)
+ifeq ($(SRC_CXX),)              # C program
+	$(LINK.c)   $(OBJS) $(MY_LIBS) -o $@
+	@echo Type ./$@ to execute the program.
+else                            # C++ program
+	$(LINK.cxx) $(OBJS) $(MY_LIBS) -o $@
+	@echo Type ./$@ to execute the program.
+endif
+
+ifndef NODEP
+ifneq ($(DEPS),)
+  sinclude $(DEPS)
+endif
+endif
+
+
+clean:
+	$(RM) $(OBJS) $(PROGRAM) $(PROGRAM).exe
+
+distclean: clean
+	$(RM) $(DEPS) TAGS
+
+# Show help.
+help:
+	@echo 'Generic Makefile for C/C++ Programs (gcmakefile) version 0.5'
+	@echo 'Copyright (C) 2007, 2008 whyglinux <whyglinux@hotmail.com>'
+	@echo
+	@echo 'Usage: make [TARGET]'
+	@echo 'TARGETS:'
+	@echo '  all       (=make) compile and link.'
+	@echo '  NODEP=yes make without generating dependencies.'
+	@echo '  objs      compile only (no linking).'
+	@echo '  tags      create tags for Emacs editor.'
+	@echo '  ctags     create ctags for VI editor.'
+	@echo '  clean     clean objects and the executable file.'
+	@echo '  distclean clean objects, the executable and dependencies.'
+	@echo '  show      show variables (for debug use only).'
+	@echo '  help      print this message.'
+	@echo
+	@echo 'Report bugs to <whyglinux AT gmail DOT com>.'
+
+# Show variables (for debug use only.)
+show:
+	@echo 'PROGRAM     :' $(PROGRAM)
+	@echo 'SRCDIRS     :' $(SRCDIRS)
+	@echo 'HEADERS     :' $(HEADERS)
+	@echo 'SOURCES     :' $(SOURCES)
+	@echo 'SRC_CXX     :' $(SRC_CXX)
+	@echo 'OBJS        :' $(OBJS)
+	@echo 'DEPS        :' $(DEPS)
+	@echo 'DEPEND      :' $(DEPEND)
+	@echo 'COMPILE.c   :' $(COMPILE.c)
+	@echo 'COMPILE.cxx :' $(COMPILE.cxx)
+	@echo 'link.c      :' $(LINK.c)
+	@echo 'link.cxx    :' $(LINK.cxx)
+
+## End of the Makefile ##  Suggestions are welcome  ## All rights reserved ##
+#############################################################################
diff --git a/processmodel/rendercontext_src/rendercontext.cpp b/processmodel/rendercontext_src/rendercontext.cpp
new file mode 100644
index 0000000..d309c22
--- /dev/null
+++ b/processmodel/rendercontext_src/rendercontext.cpp
@@ -0,0 +1,16 @@
+#include "Poco/Process.h"
+#include "Poco/PipeStream.h"
+#include <deque>
+#include <iostream>
+
+int main(int argc, char** argv)
+{
+	std::deque<int> work_queue;
+	int count=0;
+	//while (true){
+	//	std::cout<<count<<" "<<std::cin;
+	//	count ++;
+	//}
+	std::cout<<"hello, world!"<<std::endl;
+	return 0;
+}
\ No newline at end of file