lib/c/2014/test/test_labcomm_renaming_encoder.c

+/*
+  test_labcomm2014_renaming.c -- LabComm tests of renaming
+
+  Copyright 2015 Anders Blomdell <anders.blomdell@control.lth.se>
+
+  This file is part of LabComm.
+
+  LabComm is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LabComm is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include "labcomm2014_private.h"
+#include "labcomm2014_default_error_handler.h"
+#include "labcomm2014_default_memory.h"
+#include "labcomm2014_default_scheduler.h"
+#include "labcomm2014_renaming.h"
+#include "labcomm2014_renaming_encoder.h"
+#include "test/gen/generated_encoding.h"
+
+#define IOCTL_WRITER_ASSERT_BYTES 4096
+#define IOCTL_WRITER_RESET 4097
+
+#define EXPECT(...)							\
+  {                                                                     \
+    int expected[] = __VA_ARGS__;					\
+    labcomm2014_encoder_ioctl(encoder, IOCTL_WRITER_ASSERT_BYTES,       \
+			  __LINE__,					\
+			  sizeof(expected)/sizeof(expected[0]),		\
+			  expected);					\
+  }
+
+#define VARIABLE(i) -(i + 1)
+#define IS_VARIABLE(i) (i < 0)
+
+static unsigned char buffer[128];
+struct labcomm2014_writer *writer;
+static int seen_variable[1024];
+
+static int buf_writer_alloc(
+  struct labcomm2014_writer *w, 
+  struct labcomm2014_writer_action_context *action_context)
+{
+  writer = w; /* Hack */
+  w->data_size = sizeof(buffer);
+  w->count = w->data_size;
+  w->data = buffer;
+  w->pos = 0;
+  
+  return 0;
+}
+
+static int buf_writer_free(
+  struct labcomm2014_writer *w, 
+  struct labcomm2014_writer_action_context *action_context)
+{
+  return 0;
+}
+
+static int buf_writer_start(
+  struct labcomm2014_writer *w,
+  struct labcomm2014_writer_action_context *action_context,
+  int index,
+  const struct labcomm2014_signature *signature,
+  void *value)
+{
+  return 0;
+}
+
+static int buf_writer_end(
+  struct labcomm2014_writer *w, 
+  struct labcomm2014_writer_action_context *action_context)
+{
+  return 0;
+}
+
+static int buf_writer_flush(
+  struct labcomm2014_writer *w, 
+  struct labcomm2014_writer_action_context *action_context)
+{
+  fprintf(stderr, "Should not come here %s:%d\n", __FILE__, __LINE__);
+  exit(1);
+  
+  return 0;
+}
+
+static int buf_writer_ioctl(
+  struct labcomm2014_writer *w, 
+  struct labcomm2014_writer_action_context *action_context,
+  int signature_index, const struct labcomm2014_signature *signature,
+  uint32_t action, va_list arg)
+{
+  int result = -ENOTSUP;
+  switch (action) {
+    case IOCTL_WRITER_ASSERT_BYTES: {
+      int line = va_arg(arg, int);
+      int count = va_arg(arg, int);
+      int *expected = va_arg(arg, int *);
+      int i, mismatch;
+
+      mismatch = 0;
+      if (w->pos != count) {
+	fprintf(stderr, "Invalid length detected %d != %d (%s:%d)\n", 
+		w->pos, count, __FILE__, line);
+	mismatch = 1;
+      } 
+      for (i = 0 ; i < count ; i++) {
+        if (IS_VARIABLE(expected[i])) {
+          if (seen_variable[VARIABLE(expected[i])] == -1) {
+            seen_variable[VARIABLE(expected[i])] = buffer[i];
+          }
+          if (seen_variable[VARIABLE(expected[i])] != buffer[i]) {
+            fprintf(stderr, "Unexpected variable v%d (%02x:  != %02x)\n",
+                    VARIABLE(expected[i]),
+                    seen_variable[VARIABLE(expected[i])], buffer[i]);
+            mismatch = 1;
+          }
+        } else if (expected[i] != buffer[i]) {
+	  mismatch = 1;
+	}
+      }
+      if (mismatch) {
+	fprintf(stderr, "Encoder mismatch (%s:%d)\n",
+		__FILE__, line);
+
+	for (i = 0 ; i < w->pos ; i++) {
+          if (32 <= w->data[i] &&  w->data[i] < 127) {
+            printf("%2c ", w->data[i]);
+          } else {
+            printf("%2.2x ", w->data[i]);
+          }
+	}
+	printf("\n");
+	for (i = 0 ; i < w->pos ; i++) {
+	  printf("%2.2x ", w->data[i]);
+	}
+	printf("\n");
+	for (i = 0 ; i < count ; i++) {
+	  if (expected[i] < 0) {
+	    printf("v%d ", VARIABLE(expected[i]));
+	  } else {
+	    printf("%2.2x ", expected[i] );
+	  }
+	}
+	printf("\n");
+	if (mismatch) { exit(1); }
+      }
+      result = 0;
+    } break;
+    case IOCTL_WRITER_RESET: {
+      w->pos = 0;
+      result = 0;
+    }
+  }
+  return result;
+}
+
+const struct labcomm2014_writer_action writer_action = {
+  .alloc = buf_writer_alloc,
+  .free = buf_writer_free,
+  .start = buf_writer_start,
+  .end = buf_writer_end,
+  .flush = buf_writer_flush,
+  .ioctl = buf_writer_ioctl
+};
+
+static struct labcomm2014_writer_action_context action_context = {
+  .next = NULL,
+  .action = &writer_action,
+  .context = NULL
+}; 
+static struct labcomm2014_writer buffer_writer = {
+  .action_context = &action_context,
+  .data = buffer,
+  .data_size = sizeof(buffer),
+  .count = sizeof(buffer),
+  .pos = 0,
+  .error = 0,
+};
+
+void dump_encoder(struct labcomm2014_encoder *encoder)
+{
+  int i;
+  
+  for (i = 0 ; i < writer->pos ; i++) {
+    printf("%2.2x ", writer->data[i]);
+  }
+  printf("\n");
+}
+
+static int do_test(int argc, char *argv[])
+{
+  struct labcomm2014_renaming_registry *registry;
+  struct labcomm2014_encoder *encoder, *prefix, *suffix;
+  int i;
+
+  for (i = 0 ; i < sizeof(seen_variable)/sizeof(seen_variable[0]) ; i++) {
+    seen_variable[i] = -1;
+  }
+
+  registry = labcomm2014_renaming_registry_new(
+    labcomm2014_default_error_handler,
+    labcomm2014_default_memory,
+    labcomm2014_default_scheduler);
+  encoder = labcomm2014_encoder_new(
+    &buffer_writer, 
+    labcomm2014_default_error_handler,
+    labcomm2014_default_memory,
+    labcomm2014_default_scheduler);
+  prefix = labcomm2014_renaming_encoder_new(encoder,
+                                            registry,
+                                            labcomm2014_renaming_prefix,
+                                            "p.");
+  suffix = labcomm2014_renaming_encoder_new(prefix,
+                                            registry,
+                                            labcomm2014_renaming_suffix,
+                                            ".s");
+  EXPECT({ 0x01, 0x0c, 0x0b, 
+           'L', 'a', 'b', 'C', 'o', 'm', 'm', '2','0', '1', '4' });
+
+  labcomm2014_encoder_ioctl(encoder, IOCTL_WRITER_RESET);
+  /* Register twice to make sure that only one registration gets encoded */
+  labcomm2014_encoder_register_generated_encoding_V(encoder);
+  labcomm2014_encoder_register_generated_encoding_V(encoder);
+  EXPECT({ 0x02, 0x08, VARIABLE(0), 0x01, 0x00, 0x01, 'V', 0x02, 0x11, 0x00,
+           0x04, 0x0a, VARIABLE(1), 0x01, 0x00, 0x03, 'v', '_', 't', 0x02, 0x11, 0x00,
+           0x04, 0x07, VARIABLE(2), 0x01, 0x00, 0x01, 'V', 0x01, VARIABLE(1),
+           0x05, 0x02, VARIABLE(0), VARIABLE(2) });
+
+  labcomm2014_encoder_ioctl(prefix, IOCTL_WRITER_RESET);
+  labcomm2014_encoder_register_generated_encoding_V(prefix);
+  labcomm2014_encoder_register_generated_encoding_V(prefix);
+  EXPECT({ 0x02, 0x0a, VARIABLE(3), 0x01, 0x00, 0x03, 'p', '.', 'V', 0x02, 0x11, 0x00,
+           0x04, 0x09, VARIABLE(4), 0x01, 0x00, 0x03, 'p', '.', 'V', 0x01, VARIABLE(2),
+           0x05, 0x02, VARIABLE(3), VARIABLE(4) });
+
+  labcomm2014_encoder_ioctl(suffix, IOCTL_WRITER_RESET);
+  labcomm2014_encoder_register_generated_encoding_V(suffix);
+  labcomm2014_encoder_register_generated_encoding_V(suffix);
+// XXX HERE BE DRAGONS!  What does "BOGUS" man in the below renaming test?
+// previous version (from merge conflict): VARIABLE(6) vs VARIABLE(2)
+// <<<<<<< ours
+//   EXPECT({ 0x02, 0x0c, VARIABLE(5), 0x01, 0x00, 0x05, 'p', '.', 'V', '.', 's', 0x02, 0x11, 0x00,
+//            0x04, 0x09, VARIABLE(6), 0x01, 0x00, 0x03, 'V', '.', 's', 0x01, VARIABLE(2),
+//            0x04, 0x0b, VARIABLE(7), 0x01, 0x00, 0x05, 'p', '.', 'V', '.', 's', 0x01, VARIABLE(6),
+// =======
+  EXPECT({ 0x02, 0x0c, VARIABLE(5), 0x01, 0x00, 0x05, 'p', '.', 'V', '.', 's', 0x02, 0x11, 0x00,
+           0x04, 0x09, VARIABLE(6), 0x01, 0x00, 0x03, 'V', '.', 's', 0x01, VARIABLE(2), /* BOGUS */
+           0x04, 0x0b, VARIABLE(7), 0x01, 0x00, 0x05, 'p', '.', 'V', '.', 's', 0x01, VARIABLE(2),
+           0x05, 0x02, VARIABLE(5), VARIABLE(7) });
+
+
+  labcomm2014_encoder_ioctl(encoder, IOCTL_WRITER_RESET);
+  /* Register twice to make sure that only one registration gets encoded */
+  labcomm2014_encoder_sample_ref_register(encoder, 
+                                          labcomm2014_signature_generated_encoding_V);
+  labcomm2014_encoder_sample_ref_register(encoder, 
+                                          labcomm2014_signature_generated_encoding_V);
+  EXPECT({0x03, 0x08, VARIABLE(8), 0x01, 0x00, 0x01, 'V', 0x02, 0x11, 0x00});
+
+  labcomm2014_encoder_ioctl(prefix, IOCTL_WRITER_RESET);
+  /* Register twice to make sure that only one registration gets encoded */
+  labcomm2014_encoder_sample_ref_register(prefix, 
+                                          labcomm2014_signature_generated_encoding_V);
+  labcomm2014_encoder_sample_ref_register(prefix, 
+                                          labcomm2014_signature_generated_encoding_V);
+  EXPECT({0x03, 0x0a, VARIABLE(9), 0x01, 0x00, 0x03, 'p', '.', 'V', 0x02, 0x11, 0x00});
+  labcomm2014_encoder_ioctl(suffix, IOCTL_WRITER_RESET);
+  /* Register twice to make sure that only one registration gets encoded */
+  labcomm2014_encoder_sample_ref_register(suffix, 
+                                          labcomm2014_signature_generated_encoding_V);
+  labcomm2014_encoder_sample_ref_register(suffix, 
+                                          labcomm2014_signature_generated_encoding_V);
+  EXPECT({0x03, 0x0c, VARIABLE(10), 0x01, 0x00, 0x05, 'p', '.', 'V', '.', 's', 0x02, 0x11, 0x00});
+
+
+  labcomm2014_encoder_ioctl(encoder, IOCTL_WRITER_RESET);
+  labcomm2014_encode_generated_encoding_V(encoder);
+  EXPECT({VARIABLE(0), 0x00 });
+
+  labcomm2014_encoder_ioctl(prefix, IOCTL_WRITER_RESET);
+  labcomm2014_encode_generated_encoding_V(prefix);
+  EXPECT({VARIABLE(3), 0x00 });
+
+  labcomm2014_encoder_ioctl(suffix, IOCTL_WRITER_RESET);
+  labcomm2014_encode_generated_encoding_V(suffix);
+  EXPECT({VARIABLE(5), 0x00 });
+
+  labcomm2014_encoder_free(suffix);
+  labcomm2014_encoder_free(prefix);
+  labcomm2014_encoder_free(encoder);
+  labcomm2014_renaming_registry_free(registry);
+
+  return 0;
+}
+
+int main(int argc, char *argv[])
+{
+  return do_test(argc, argv);
+}

lib/c/2014/test/test_labcomm_renaming_registry.c

+#include <stdlib.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <assert.h>
+#include <err.h>
+
+#include "labcomm2014.h"
+#include "labcomm2014_private.h"
+#include "labcomm2014_default_error_handler.h"
+#include "labcomm2014_default_memory.h"
+#include "labcomm2014_default_scheduler.h"
+#include "labcomm2014_renaming.h"
+#include "labcomm2014_renaming_private.h"
+#include "test/gen/generated_encoding.h"
+
+static int do_test(int argc, char **argv)
+{
+  struct labcomm2014_renaming_registry *registry;
+  struct labcomm2014_renaming_rename *r1, *r2, *r3, *r4;
+
+  registry = labcomm2014_renaming_registry_new(
+    labcomm2014_default_error_handler,
+    labcomm2014_default_memory,
+    labcomm2014_default_scheduler);
+  r1 = labcomm2014_renaming_rename_new(
+    registry,
+    labcomm2014_signature_generated_encoding_R,
+    labcomm2014_renaming_prefix, "p:");
+  r2 = labcomm2014_renaming_rename_new(
+    registry,
+    labcomm2014_renaming_rename_signature(r1),
+    labcomm2014_renaming_suffix, ":s");
+  r3 = labcomm2014_renaming_rename_new(
+    registry,
+    labcomm2014_signature_generated_encoding_R,
+    labcomm2014_renaming_suffix, ":s");
+  r4 = labcomm2014_renaming_rename_new(
+    registry,
+    labcomm2014_renaming_rename_signature(r3),
+    labcomm2014_renaming_prefix, "p:");
+  assert(r2 == r4);
+  labcomm2014_renaming_rename_free(registry, r1);
+  labcomm2014_renaming_rename_free(registry, r2);
+  labcomm2014_renaming_rename_free(registry, r3);
+  labcomm2014_renaming_rename_free(registry, r4);
+  labcomm2014_renaming_registry_free(registry);
+  return 0;
+}
+
+int main(int argc, char **argv)
+{
+  return do_test(argc, argv);
+}

lib/c/2014/test/test_sample.lc

+sample int test_var[_,2,_];

lib/c/2014/test/test_signature_numbers.c

+#include <stdlib.h>
+#include <stdio.h>
+#include "labcomm2014_private.h"
+#include "test/gen/another_encoding.h"
+#include "test/gen/generated_encoding.h"
+
+static void info(char *name, char *full_name, 
+		 const struct labcomm2014_signature *signature) {
+  printf("%s %s %p -> %d\n", name,  full_name, signature, 
+	 labcomm2014_get_local_index(signature));
+  if (labcomm2014_get_local_index(signature) < 0x40) {
+    exit(1);
+  }
+};
+
+int main(int argc, char *argv[])
+{
+#define FUNC(name, full_name) \
+  info( #name, #full_name, labcomm2014_signature_##full_name)
+
+  LABCOMM_FORALL_SAMPLES_generated_encoding(FUNC, ;);
+  LABCOMM_FORALL_SAMPLES_another_encoding(FUNC, ;);
+  return 0;
+}

lib/c/Makefile

-## Macros
+VERSIONS=2014
 
-# Use LLVM clang if it's found.
-CC = $(shell hash clang 2>/dev/null && echo clang || echo gcc)
-CFLAGS = -g -Wall -I .
-LDFLAGS = -L .
-LDLIBS_TEST = -lcunit -llabcomm
+all:
 
-OBJS= labcomm.o labcomm_fd_reader_writer.o labcomm_mem_reader.o labcomm_mem_writer.o
-LABCOMMC_PATH=../../compiler
-LABCOMMC_JAR=$(LABCOMMC_PATH)/labComm.jar
+%: 
+	for v in $(VERSIONS) ; do $(MAKE) -C $${v} $@ || exit 1 ; done
 
-TEST_DIR=test
-TESTDATA_DIR=$(TEST_DIR)/testdata
-TEST_GEN_DIR=$(TESTDATA_DIR)/gen
-
-CREATED_DIRS=$(TEST_DIR) $(TESTDATA_DIR) $(TEST_GEN_DIR)
-
-# Disable experimental objects by invoking make like `make -e LABCOMM_NO_EXPERIMENTAL=true`
-ifneq ($(LABCOMM_NO_EXPERIMENTAL),true)
-	OBJS += experimental/udp_hack.o experimental/ethaddr.o \
-		experimental/labcomm_thr_reader_writer.o \
-		experimental/ThrottleDrv/ethernet_drv.o \
-		experimental/ThrottleDrv/throttle_drv.o \
-		experimental/labcomm_udp_reader_writer.o
-endif
-
-## Targets
-
-.PHONY: all run-test clean distclean
-
-all: liblabcomm.a test/test_labcomm_errors
-
-liblabcomm.a: $(OBJS)
-	ar -r liblabcomm.a $^
-
-
-labcomm.o : labcomm.c labcomm.h  labcomm_private.h
-
-labcomm_fd_reader_writer.o : labcomm_fd_reader_writer.c  labcomm_fd_reader_writer.h  labcomm.h  labcomm_private.h
-
-labcomm_mem_reader.o: labcomm_fd_reader_writer.c labcomm_fd_reader_writer.h
-
-labcomm_mem_writer.o: labcomm_mem_writer.c labcomm_mem_writer.h cppmacros.h
-
-ethaddr.o: ethaddr.c
-
-$(CREATED_DIRS):
-	mkdir -p $@
-
-run-test: $(TEST_DIR)/test_labcomm_errors |$(TEST_DIR)
-	test/test_labcomm_errors
-
-$(TEST_DIR)/test_labcomm_errors: $(TEST_DIR)/test_labcomm_errors.o liblabcomm.a |$(TEST_DIR)
-	$(CC) $(CFLAGS) $(LDFLAGS) -llabcomm -o $@ $^
-
-$(TEST_DIR)/test_labcomm_errors.o: $(TEST_DIR)/test_labcomm_errors.c $(TEST_DIR)/test_labcomm_errors.h |$(TEST_DIR)
-	cd test; $(CC) $(CFLAGS) -I .. -c $(patsubst $(TEST_DIR)/%, %, $^)
-
-$(TEST_DIR)/test_labcomm.o: $(TEST_DIR)/test_labcomm.c $(TEST_GEN_DIR)/test_sample.h |$(TEST_DIR)
-	$(CC) -c $(CFLAGS) -o $@ $<
-
-$(TEST_DIR)/test_labcomm: $(TEST_DIR)/test_labcomm.o $(TEST_GEN_DIR)/test_sample.o liblabcomm.a
-	$(CC) $(CFLAGS) $(LDFLAGS) $(filter-out %.a,$^) $(LDLIBS) $(LDLIBS_TEST) -o $@
-
-$(TEST_GEN_DIR)/%.c $(TEST_GEN_DIR)/%.h: $(TESTDATA_DIR)/%.lc $(LABCOMMC_JAR) |$(TEST_GEN_DIR)
-	java -jar $(LABCOMMC_JAR) --c=$(patsubst %.h,%.c,$@) --h=$(patsubst %.c,%.h,$@) $<
-
-$(LABCOMMC_JAR):
-	@echo "======Building LabComm compiler======"
-	cd $(LABCOMMC_PATH); ant jar
-	@echo "======End building LabComm compiler======"
-
-%.o: %.c %.h
 
+.PHONY: clean
 clean: 
-	$(RM) *.o
-	$(RM) experimental/*.o experimental/ThrottleDrv/*.o
-	$(RM) test/*.o
-	$(RM) test/*.gch
-	$(RM) test/test_labcomm_errors
-	$(RM) $(TEST_DIR)/test_labcomm
+	for v in $(VERSIONS) ; do $(MAKE) -C $${v} $@ || exit 1 ; done
+
+.PHONY: distclean
+distclean:
+	for v in $(VERSIONS) ; do $(MAKE) -C $${v} $@ || exit 1 ; done
+	rm -f *.o *.so *.so.1 *.a
 
-distclean: clean
-	$(RM) liblabcomm.a

lib/c/labcomm.c

-#include <errno.h>
-#include <string.h>
-
-#ifndef __VXWORKS__
-  #ifdef ARM_CORTEXM3_CODESOURCERY
-    #include <string.h>
-  #else
-    #include <strings.h>
-  #endif
-#endif
-
-#ifndef ARM_CORTEXM3_CODESOURCERY
-  #include <stdlib.h>
-#endif
-
-// Some projects can not use stdio.h.
-#ifndef LABCOMM_NO_STDIO
-  #include <stdio.h>
-#endif
-
-#ifdef __VXWORKS__
-  #if (CPU == PPC603)
-    #undef _LITTLE_ENDIAN
-  #endif
-  #if (CPU == PENTIUM4)
-    #undef _BIG_ENDIAN
-  #endif
-#endif
-
-#include "labcomm.h"
-#include "labcomm_private.h"
-
-typedef struct labcomm_sample_entry {
-  struct labcomm_sample_entry *next;
-  int index;
-  labcomm_signature_t *signature;
-  labcomm_decoder_typecast_t decoder;
-  labcomm_handler_typecast_t handler;
-  labcomm_encode_typecast_t encode;
-  void *context;
-} labcomm_sample_entry_t;
-
-typedef struct labcomm_encoder_context {
-  labcomm_sample_entry_t *sample;
-  int index;
-} labcomm_encoder_context_t;
-
-typedef struct labcomm_decoder_context {
-  labcomm_sample_entry_t *sample;
-} labcomm_decoder_context_t;
-
-void labcomm_register_error_handler_encoder(struct labcomm_encoder *encoder, labcomm_error_handler_callback callback)
-{
- encoder->on_error = callback; 
- encoder->writer.on_error = callback; 
-}
-
-void labcomm_register_error_handler_decoder(struct labcomm_decoder *decoder, labcomm_error_handler_callback callback)
-{
- decoder->on_error = callback; 
- decoder->reader.on_error = callback; 
-}
-
-/* Error strings. _must_ be the same order as in enum labcomm_error */
-const char *labcomm_error_strings[] = { 
-  "Enum begin guard. DO NO use this as an error.",
-  "Encoder has no registration for this signature.",
-  "Encoder is missing do_register",
-  "Encoder is missing do_encode",
-  "The labcomm buffer is full and it.",
-  "Decoder is missing do_register",
-  "Decoder is missing do_decode_one",
-  "Decoder: Unknown datatype",
-  "Decoder: index mismatch",
-  "Decoder: type not found",
-  "This function is not yet implemented.",
-  "User defined error.",
-  "Could not allocate memory.",
-  "Enum end guard. DO NO use this as an error."
-};
-
-const char *labcomm_error_get_str(enum labcomm_error error_id)
-{
-  const char *error_str = NULL;
-  // Check if this is a known error ID.
-  if (error_id >= LABCOMM_ERROR_ENUM_BEGIN_GUARD && error_id <= LABCOMM_ERROR_ENUM_END_GUARD) {
-    error_str = labcomm_error_strings[error_id];
-  }
-  return error_str;
-}
-
-void labcomm_decoder_register_new_datatype_handler(struct labcomm_decoder *d, labcomm_handle_new_datatype_callback on_new_datatype)
-{
-	d->on_new_datatype = on_new_datatype;
-}
-
-int on_new_datatype(labcomm_decoder_t *d, labcomm_signature_t *sig)
-{
-	  d->on_error(LABCOMM_ERROR_DEC_UNKNOWN_DATATYPE, 4, "%s(): unknown datatype '%s'\n", __FUNCTION__, sig->name);
-	  return 0;
-}
-
-void on_error_fprintf(enum labcomm_error error_id, size_t nbr_va_args, ...)
-{
-#ifndef LABCOMM_NO_STDIO
-  const char *err_msg = labcomm_error_get_str(error_id); // The final string to print.
-  if (err_msg == NULL) {
-    err_msg = "Error with an unknown error ID occured.";
-  }
-  fprintf(stderr, "%s\n", err_msg);
-
- if (nbr_va_args > 0) {
-   va_list arg_pointer;
-   va_start(arg_pointer, nbr_va_args);
-
-   fprintf(stderr, "%s\n", "Extra info {");
-   char *print_format = va_arg(arg_pointer, char *);
-   vfprintf(stderr, print_format, arg_pointer);
-   fprintf(stderr, "}\n");
-
-   va_end(arg_pointer);
- } 
-#else
- ; // If labcomm can't be compiled with stdio the user will have to make an own error callback functionif he/she needs error reporting.
-#endif
-}
-
-
-static labcomm_sample_entry_t *get_sample_by_signature_address(
-  labcomm_sample_entry_t *head,
-  labcomm_signature_t *signature)
-{
-  labcomm_sample_entry_t *p;
-  for (p = head ; p && p->signature != signature ; p = p->next) {
-
-  }
-  return p;
-}
-
-static labcomm_sample_entry_t *get_sample_by_signature_value(
-  labcomm_sample_entry_t *head,
-  labcomm_signature_t *signature)
-{
-  labcomm_sample_entry_t *p;
-  for (p = head ; p ; p = p->next) {
-    if (p->signature->type == signature->type &&
-	p->signature->size == signature->size &&
-	strcmp(p->signature->name, signature->name) == 0 &&
-	bcmp((void*)p->signature->signature, (void*)signature->signature,
-	     signature->size) == 0) {
-      break;
-    }
-  }
-  return p;
-}
-
-static labcomm_sample_entry_t *get_sample_by_index(
-  labcomm_sample_entry_t *head,
-  int index)
-{
-  labcomm_sample_entry_t *p;
-  for (p = head ; p && p->index != index ; p = p->next) {
-  }
-  return p;
-}
-
-static int get_encoder_index(
-  labcomm_encoder_t *e,
-  labcomm_signature_t *s)
-{
-  int result = 0;
-  labcomm_encoder_context_t *context = e->context;
-  labcomm_sample_entry_t *sample = context->sample;
-  while (sample) {
-    if (sample->signature == s) { break; }
-    sample = sample->next;
-  }
-  if (sample) {
-    result = sample->index;
-  }
-  return result;
-}
-
-static void do_encoder_register(struct labcomm_encoder *e,
-				labcomm_signature_t *signature,
-				labcomm_encode_typecast_t encode)
-{
-  if (signature->type == LABCOMM_SAMPLE) {
-    if (get_encoder_index(e, signature) == 0) {
-      int i;
-      labcomm_encoder_context_t *context = e->context;
-      labcomm_sample_entry_t *sample =
-	(labcomm_sample_entry_t*)malloc(sizeof(labcomm_sample_entry_t));
-      sample->next = context->sample;
-      sample->index = context->index;
-      sample->signature = signature;
-      sample->encode = encode;
-      context->index++;
-      context->sample = sample;
-
-      e->writer.write(&e->writer, labcomm_writer_start);
-      labcomm_encode_int(e, signature->type);
-      labcomm_encode_type_index(e, signature);
-      labcomm_encode_string(e, signature->name);
-      for (i = 0 ; i < signature->size ; i++) {
-	if (e->writer.pos >= e->writer.count) {
-	  e->writer.write(&e->writer, labcomm_writer_continue);
-	}
-	e->writer.data[e->writer.pos] = signature->signature[i];
-	e->writer.pos++;
-      }
-      e->writer.write(&e->writer, labcomm_writer_end);
-    }
-  }
-}
-
-static void do_encode(
-  labcomm_encoder_t *encoder,
-  labcomm_signature_t *signature,
-  void *value)
-{
-  labcomm_encoder_context_t *context = encoder->context;
-  labcomm_sample_entry_t *sample;
-  sample = get_sample_by_signature_address(context->sample,
-					   signature);
-  if (sample && sample->encode) {
-    sample->encode(encoder, value);
-  } else {
-    encoder->on_error(LABCOMM_ERROR_ENC_NO_REG_SIGNATURE, 2, "No registration for %s.\n", signature->name);
-  }
-}
-
-labcomm_encoder_t *labcomm_encoder_new(
-  int (*writer)(labcomm_writer_t *, labcomm_writer_action_t),
-  void *writer_context)
-{
-  labcomm_encoder_t *result = malloc(sizeof(labcomm_encoder_t));
-  if (result) {
-    labcomm_encoder_context_t *context;
-
-    context = malloc(sizeof(labcomm_encoder_context_t));
-    context->sample = NULL;
-    context->index = LABCOMM_USER;
-    result->context = context;
-    result->writer.context = writer_context;
-    result->writer.data = 0;
-    result->writer.data_size = 0;
-    result->writer.count = 0;
-    result->writer.pos = 0;
-    result->writer.write = writer;
-    result->writer.write(&result->writer, labcomm_writer_alloc);
-    result->writer.on_error = on_error_fprintf;
-    result->do_register = do_encoder_register;
-    result->do_encode = do_encode;
-    result->on_error = on_error_fprintf;
-  }
-  return result;
-}
-
-void labcomm_internal_encoder_register(
-  labcomm_encoder_t *e,
-  labcomm_signature_t *signature,
-  labcomm_encode_typecast_t encode)
-{
-  // Will segfault if e == NULL.
-  if (e->do_register) {
-    e->do_register(e, signature, encode);
-  } else {
-    e->on_error(LABCOMM_ERROR_ENC_MISSING_DO_REG, 0);
-  }
-}
-
-void labcomm_internal_encode(
-  labcomm_encoder_t *e,
-  labcomm_signature_t *signature,
-  void *value)
-{
-  // Will segfault if e == NULL
-  if (e->do_encode) {
-    e->do_encode(e, signature, value);
-  } else {
-    e->on_error(LABCOMM_ERROR_ENC_MISSING_DO_ENCODE, 0);
-  }
-}
-
-void labcomm_internal_encoder_user_action(labcomm_encoder_t *e,
-					  int action)
-{
-  e->writer.write(&e->writer, action);
-}
-
-void labcomm_encoder_free(labcomm_encoder_t* e)
-{
-  e->writer.write(&e->writer, labcomm_writer_free);
-  labcomm_encoder_context_t *econtext = (labcomm_encoder_context_t *) e->context;
-
-  labcomm_sample_entry_t *sentry = econtext->sample;
-  labcomm_sample_entry_t *sentry_next;
-  while (sentry != NULL) {
-    sentry_next = sentry->next;
-    free(sentry);
-    sentry = sentry_next;
-  }
-
-  free(e->context);
-  free(e);
-}
-
-void labcomm_encode_type_index(labcomm_encoder_t *e, labcomm_signature_t *s)
-{
-  int index = get_encoder_index(e, s);
-  labcomm_encode_int(e, index);
-}
-
-static int signature_writer(
-  labcomm_writer_t *w,
-  labcomm_writer_action_t action)
-{
-  switch (action) {
-    case labcomm_writer_alloc: {
-      w->data_size = 1000;
-      w->count = w->data_size;
-      w->data = malloc(w->data_size);
-      w->pos = 0;
-    } break;
-    case labcomm_writer_start: {
-      w->data_size = 1000;
-      w->count = w->data_size;
-      w->data = realloc(w->data, w->data_size);
-      w->pos = 0;
-    } break;
-    case labcomm_writer_continue: {
-      w->data_size += 1000;
-      w->count = w->data_size;
-      w->data = realloc(w->data, w->data_size);
-    } break;
-    case labcomm_writer_end: {
-    } break;
-    case labcomm_writer_free: {
-      free(w->data);
-      w->data = 0;
-      w->data_size = 0;
-      w->count = 0;
-      w->pos = 0;
-    } break;
-    case labcomm_writer_available: {
-    } break;
-  }
-  return 0;
-
-}
-
-static void collect_flat_signature(
-  labcomm_decoder_t *decoder,
-  labcomm_encoder_t *signature_writer)
-{
-  int type = labcomm_decode_int(decoder);
-  if (type >= LABCOMM_USER) {
-    decoder->on_error(LABCOMM_ERROR_UNIMPLEMENTED_FUNC, 2, "Implement %s\n", __FUNCTION__);
-  } else {
-    labcomm_encode_int(signature_writer, type);
-    switch (type) {
-      case LABCOMM_ARRAY: {
-	int dimensions, i;
-
-	dimensions = labcomm_decode_int(decoder);
-	labcomm_encode_int(signature_writer, dimensions);
-	for (i = 0 ; i < dimensions ; i++) {
-	  int n = labcomm_decode_int(decoder);
-	  labcomm_encode_int(signature_writer, n);
-	}
-	collect_flat_signature(decoder, signature_writer);
-      } break;
-      case LABCOMM_STRUCT: {
-	int fields, i;
-	fields = labcomm_decode_int(decoder);
-	labcomm_encode_int(signature_writer, fields);
-	for (i = 0 ; i < fields ; i++) {
-	  char *name = labcomm_decode_string(decoder);
-	  labcomm_encode_string(signature_writer, name);
-	  free(name);
-	  collect_flat_signature(decoder, signature_writer);
-	}
-      } break;
-      case LABCOMM_BOOLEAN:
-      case LABCOMM_BYTE:
-      case LABCOMM_SHORT:
-      case LABCOMM_INT:
-      case LABCOMM_LONG:
-      case LABCOMM_FLOAT:
-      case LABCOMM_DOUBLE:
-      case LABCOMM_STRING: {
-      } break;
-      default: {
-        decoder->on_error(LABCOMM_ERROR_UNIMPLEMENTED_FUNC, 2, "Implement %s\n", __FUNCTION__);
-      } break;
-    }
-  }
-}
-
-static void do_decoder_register(
-  labcomm_decoder_t *decoder,
-  labcomm_signature_t *signature,
-  labcomm_decoder_typecast_t type_decoder,
-  labcomm_handler_typecast_t handler,
-  void *handler_context)
-{
-
-  labcomm_decoder_context_t *context = decoder->context;
-  labcomm_sample_entry_t *sample;
-  sample = get_sample_by_signature_address(context->sample,
-					   signature);
-  if (!sample) {
-    sample = (labcomm_sample_entry_t*)malloc(sizeof(labcomm_sample_entry_t));
-    sample->next = context->sample;
-    context->sample = sample;
-    sample->index = 0;
-    sample->signature = signature;
-  }
-  sample->decoder = type_decoder;
-  sample->handler = handler;
-  sample->context = handler_context;
-}
-
-static int do_decode_one(labcomm_decoder_t *d)
-{
-  int result;
-
-  do {
-    result = d->reader.read(&d->reader, labcomm_reader_start);
-    if (result > 0) {
-      labcomm_decoder_context_t *context = d->context;
-
-      result = labcomm_decode_int(d);
-      if (result == LABCOMM_TYPEDEF || result == LABCOMM_SAMPLE) {
-	labcomm_encoder_t *e = labcomm_encoder_new(signature_writer, 0);
-	labcomm_signature_t signature;
-	labcomm_sample_entry_t *entry;
-	int index;
-
-	e->writer.write(&e->writer, labcomm_writer_start);
-	signature.type = result;
-	index = labcomm_decode_int(d);
-	signature.name = labcomm_decode_string(d);
-	collect_flat_signature(d, e);
-	signature.size = e->writer.pos;
-	signature.signature = e->writer.data;
-	entry = get_sample_by_signature_value(context->sample, &signature);
-	if (! entry) {
-	  // Unknown datatype, bail out
-          /*d->on_error(LABCOMM_ERROR_DEC_UNKNOWN_DATATYPE, 4, "%s(): unknown datatype '%s' (id=0x%x)\n", __FUNCTION__, signature.name, index);*/
-		d->on_new_datatype(d, &signature);
-	} else if (entry->index && entry->index != index) {
-          d->on_error(LABCOMM_ERROR_DEC_INDEX_MISMATCH, 5, "%s(): index mismatch '%s' (id=0x%x != 0x%x)\n", __FUNCTION__, signature.name, entry->index, index);
-	} else {
-		// TODO unnessesary, since entry->index == index in above if statement
-	  entry->index = index;
-	}
-	free(signature.name);
-	e->writer.write(&e->writer, labcomm_writer_end);
-	if (!entry) {
-	  // No handler for found type, bail out (after cleanup)
-	  result = -ENOENT;
-	}
-	labcomm_encoder_free(e);
-      } else {
-	labcomm_sample_entry_t *entry;
-
-	entry = get_sample_by_index(context->sample, result);
-	if (!entry) {
-	  // printf("Error: %s: type not found (id=0x%x)\n",
-		  //__FUNCTION__, result);
-          d->on_error(LABCOMM_ERROR_DEC_TYPE_NOT_FOUND, 3, "%s(): type not found (id=0x%x)\n", __FUNCTION__, result);
-	  result = -ENOENT;
-	} else {
-	  entry->decoder(d, entry->handler, entry->context);
-	}
-      }
-    }
-    d->reader.read(&d->reader, labcomm_reader_end);
-  } while (result > 0 && result < LABCOMM_USER);
-  return result;
-}
-
-labcomm_decoder_t *labcomm_decoder_new(
-  int (*reader)(labcomm_reader_t *, labcomm_reader_action_t),
-  void *reader_context)
-{
-  labcomm_decoder_t *result = malloc(sizeof(labcomm_decoder_t));
-  if (result) {
-    labcomm_decoder_context_t *context =
-      (labcomm_decoder_context_t*)malloc(sizeof(labcomm_decoder_context_t));
-    context->sample = 0;
-    result->context = context;
-    result->reader.context = reader_context;
-    result->reader.data = 0;
-    result->reader.data_size = 0;
-    result->reader.count = 0;
-    result->reader.pos = 0;
-    result->reader.read = reader;
-    result->reader.read(&result->reader, labcomm_reader_alloc);
-    result->reader.on_error = on_error_fprintf;
-    result->do_register = do_decoder_register;
-    result->do_decode_one = do_decode_one;
-    result->on_error = on_error_fprintf;
-	result->on_new_datatype = on_new_datatype;
-  }
-  return result;
-}
-
-void labcomm_internal_decoder_register(
-  labcomm_decoder_t *d,
-  labcomm_signature_t *signature,
-  labcomm_decoder_typecast_t type_decoder,
-  labcomm_handler_typecast_t handler,
-  void *handler_context)
-{
-  // Will segfault if d == NULL
-  if (d->do_register) {
-    d->do_register(d, signature, type_decoder, handler, handler_context);
-  } else {
-    d->on_error(LABCOMM_ERROR_DEC_MISSING_DO_REG, 0);
-  }
-}
-
-int labcomm_decoder_decode_one(labcomm_decoder_t *d)
-{
-  int result = -1;
-  // Will segfault if decoder == NULL.
-  if (d->do_decode_one)
-  {
-    result = d->do_decode_one(d);
-  }
-  else
-  {
-    d->on_error(LABCOMM_ERROR_DEC_MISSING_DO_DECODE_ONE, 0);
-  }
-  return result;
-}
-
-void labcomm_decoder_run(labcomm_decoder_t *d)
-{
-  while (labcomm_decoder_decode_one(d) > 0) {
-  }
-}
-
-void labcomm_decoder_free(labcomm_decoder_t* d)
-{
-  d->reader.read(&d->reader, labcomm_reader_free);
-  labcomm_decoder_context_t *context = (labcomm_decoder_context_t *) d->context;
-  labcomm_sample_entry_t *entry = context->sample;
-  labcomm_sample_entry_t *entry_next;
-
-  while (entry != NULL) {
-    entry_next = entry->next;
-    free(entry);
-    entry = entry_next;
-  }
-
-  free(d->context);
-  free(d);
-}

lib/c/labcomm.h

-#ifndef _LABCOMM_H_
-#define _LABCOMM_H_
-
-#ifdef ARM_CORTEXM3_CODESOURCERY
-  #include <machine/endian.h>
-#else
-  #include <endian.h>
-#endif
-
-// Some projects can not use stdio.h.
-#ifndef LABCOMM_NO_STDIO
-  #include <stdio.h>
-#endif
-
-#include <stdlib.h>
-#include <string.h>
-#include <stdarg.h>
-
-/* Forward declaration */
-struct labcomm_encoder;
-struct labcomm_decoder;
-
-/*
- * Signature entry
- */
-typedef struct {
-  int type;
-  char *name;
-  int (*encoded_size)(void *);
-  int size;
-  unsigned char *signature; 
-} labcomm_signature_t;
-
-/*
- * Error handling.
- */
-
-/* Error IDs */
-enum labcomm_error {
-  LABCOMM_ERROR_ENUM_BEGIN_GUARD,	// _must_ be the first enum element. labcomm_error_get_str() depends on this.
-  LABCOMM_ERROR_ENC_NO_REG_SIGNATURE, 	
-  LABCOMM_ERROR_ENC_MISSING_DO_REG,
-  LABCOMM_ERROR_ENC_MISSING_DO_ENCODE,
-  LABCOMM_ERROR_ENC_BUF_FULL,
-  LABCOMM_ERROR_DEC_MISSING_DO_REG,
-  LABCOMM_ERROR_DEC_MISSING_DO_DECODE_ONE,
-  LABCOMM_ERROR_DEC_UNKNOWN_DATATYPE,
-  LABCOMM_ERROR_DEC_INDEX_MISMATCH,
-  LABCOMM_ERROR_DEC_TYPE_NOT_FOUND,
-  LABCOMM_ERROR_UNIMPLEMENTED_FUNC,
-  LABCOMM_ERROR_MEMORY,
-  LABCOMM_ERROR_USER_DEF,			
-  LABCOMM_ERROR_ENUM_END_GUARD		// _must_ be the last enum element. labcomm_error_get_str() depends on this.
-};
-
-/* Error strings. _must_ be the same order as in enum labcomm_error */
-extern const char *labcomm_error_strings[];
-
-/* The callback prototype for error handling.\
- * First parameter is the error ID.
- * The second paramters is the number of va_args that comes after this one. If noneit should be 0.
- * Optionaly other paramters can be supplied depending on what is needed for this error ID.
- */
-typedef void (* labcomm_error_handler_callback)(enum labcomm_error error_id, size_t nbr_va_args, ...); 
-
-/* Default error handler, prints message to stderr. 
- * Extra info about the error can be supplied as char* as VA-args. Especially user defined errors should supply a describing string. if nbr_va_args > 1 the first variable argument must be a printf format string and the possibly following arguments are passed as va_args to vprintf. 
- */
-void on_error_fprintf(enum labcomm_error error_id, size_t nbr_va_args, ...);
-
-/* Register a callback for the error handler for this encoder. */
-void labcomm_register_error_handler_encoder(struct labcomm_encoder *encoder, labcomm_error_handler_callback callback);
-
-/* Register a callback for the error handler for this decoder. */
-void labcomm_register_error_handler_decoder(struct labcomm_decoder *decoder, labcomm_error_handler_callback callback);
-
-/* Get a string describing the supplied standrad labcomm error. */
-const char *labcomm_error_get_str(enum labcomm_error error_id);
-
-typedef int (* labcomm_handle_new_datatype_callback)(struct labcomm_decoder *decoder,
-		labcomm_signature_t *sig);
-
-void labcomm_decoder_register_new_datatype_handler(struct labcomm_decoder *d,
-		labcomm_handle_new_datatype_callback on_new_datatype);
-
-
-/*
- * Decoder
- */
-
-typedef enum { 
-  labcomm_reader_alloc, 
-  labcomm_reader_free,
-  labcomm_reader_start, 
-  labcomm_reader_continue, 
-  labcomm_reader_end
-} labcomm_reader_action_t;
-
-typedef struct labcomm_reader {
-  void *context;
-  unsigned char *data;
-  int data_size;
-  int count;
-  int pos;
-  int (*read)(struct labcomm_reader *, labcomm_reader_action_t);
-  labcomm_error_handler_callback on_error;
-}  labcomm_reader_t;
-
-struct labcomm_decoder *labcomm_decoder_new(
-  int (*reader)(labcomm_reader_t *, labcomm_reader_action_t),
-  void *reader_context);
-int labcomm_decoder_decode_one(
-  struct labcomm_decoder *decoder);
-void labcomm_decoder_run(
-  struct labcomm_decoder *decoder);
-void labcomm_decoder_free(
-  struct labcomm_decoder *decoder);
-
-/*
- * Encoder
- */
-
-typedef enum { 
-  labcomm_writer_alloc, 
-  labcomm_writer_free,
-  labcomm_writer_start, 
-  labcomm_writer_continue, 
-  labcomm_writer_end, 
-  labcomm_writer_available,
-} labcomm_writer_action_t;
-
-typedef struct labcomm_writer {
-  void *context;
-  unsigned char *data;
-  int data_size;
-  int count;
-  int pos;
-  int (*write)(struct labcomm_writer *, labcomm_writer_action_t);
-  labcomm_error_handler_callback on_error;
-} labcomm_writer_t;
-
-struct labcomm_encoder *labcomm_encoder_new(
-  int (*writer)(labcomm_writer_t *, labcomm_writer_action_t),
-  void *writer_context);
-void labcomm_encoder_free(
-  struct labcomm_encoder *encoder);
-
-#endif

lib/c/labcomm_fd_reader_writer.c

-#include <errno.h>
-#include <unistd.h>
-#include "labcomm.h"
-
-#define BUFFER_SIZE 2048
-
-int labcomm_fd_reader(
-  labcomm_reader_t *r, 
-  labcomm_reader_action_t action)
-{
-  int result = -EINVAL;
-  int *fd = r->context;
-  
-  switch (action) {
-    case labcomm_reader_alloc: {
-      r->data = malloc(BUFFER_SIZE);
-      if (r->data) {
-        r->data_size = BUFFER_SIZE;
-        result = r->data_size;
-      } else {
-        r->data_size = 0;
-        result = -ENOMEM;
-      }
-      r->count = 0;
-      r->pos = 0;
-    } break;
-    case labcomm_reader_start: 
-    case labcomm_reader_continue: {
-      if (r->pos < r->count) {
-        result = r->count - r->pos;
-      } else {
-        int err;
-
-        r->pos = 0;
-        err = read(*fd, r->data, r->data_size);
-        if (err <= 0) {
-          r->count = 0;
-          result = -1;
-        } else {
-          r->count = err;
-          result = r->count - r->pos;
-        }
-      }
-    } break;
-    case labcomm_reader_end: {
-      result = 0;
-    } break;
-    case labcomm_reader_free: {
-      free(r->data);
-      r->data = 0;
-      r->data_size = 0;
-      r->count = 0;
-      r->pos = 0;
-      result = 0;
-    } break;
-  }
-  return result;
-}
-
-int labcomm_fd_writer(
-  labcomm_writer_t *w, 
-  labcomm_writer_action_t action)
-{
-  int result = 0;
-  int *fd = w->context;
-
-  switch (action) {
-    case labcomm_writer_alloc: {
-      w->data = malloc(BUFFER_SIZE);
-      if (! w->data) {
-        result = -ENOMEM;
-        w->data_size = 0;
-        w->count = 0;
-        w->pos = 0;
-      } else {
-        w->data_size = BUFFER_SIZE;
-        w->count = BUFFER_SIZE;
-        w->pos = 0;
-      }
-    } break;
-    case labcomm_writer_free: {
-      free(w->data);
-      w->data = 0;
-      w->data_size = 0;
-      w->count = 0;
-      w->pos = 0;
-    } break;
-    case labcomm_writer_start: {
-      w->pos = 0;
-    } break;
-    case labcomm_writer_continue: {
-      result = write(*fd, w->data, w->pos);
-      w->pos = 0;
-    } break;
-    case labcomm_writer_end: {
-      result = write(*fd, w->data, w->pos);
-      w->pos = 0;
-    } break;
-    case labcomm_writer_available: {
-      result = w->count - w->pos; 
-    } break;
-  }
-  return result;
-}

lib/c/labcomm_fd_reader_writer.h

-#include "labcomm.h"
-
-extern int labcomm_fd_reader(
-  labcomm_reader_t *r, 
-  labcomm_reader_action_t action);
-
-extern int labcomm_fd_writer(
-  labcomm_writer_t *r, 
-  labcomm_writer_action_t action);

lib/c/labcomm_private.h

-#ifndef _LABCOMM_PRIVATE_H_
-#define _LABCOMM_PRIVATE_H_
-
-#ifdef ARM_CORTEXM3_CODESOURCERY
-  #include <machine/endian.h>
-#else
-  #include <endian.h>
-#endif
-
-// Some projects can not use stdio.h.
-#ifndef LABCOMM_NO_STDIO
-  #include <stdio.h>
-#endif
-
-#include <stdlib.h>
-#include <string.h>
-#include "labcomm.h"
-
-/*
- * Predeclared aggregate type indices
- */
-#define LABCOMM_TYPEDEF  0x01
-#define LABCOMM_SAMPLE   0x02
-#define LABCOMM_ARRAY    0x10
-#define LABCOMM_STRUCT   0x11
-
-/*
- * Predeclared primitive type indices
- */
-#define LABCOMM_BOOLEAN  0x20 
-#define LABCOMM_BYTE     0x21
-#define LABCOMM_SHORT    0x22
-#define LABCOMM_INT      0x23
-#define LABCOMM_LONG     0x24
-#define LABCOMM_FLOAT    0x25
-#define LABCOMM_DOUBLE   0x26
-#define LABCOMM_STRING   0x27
-
-/*
- * Start index for user defined types
- */
-#define LABCOMM_USER     0x80
-
-/*
- * Semi private decoder declarations
- */
-typedef void (*labcomm_handler_typecast_t)(void *, void *);
-
-typedef void (*labcomm_decoder_typecast_t)(
-  struct labcomm_decoder *,
-  labcomm_handler_typecast_t,
-  void *);
-
-typedef struct labcomm_decoder {
-  void *context;
-  labcomm_reader_t reader;
-  void (*do_register)(struct labcomm_decoder *, 
-		      labcomm_signature_t *, 
-		      labcomm_decoder_typecast_t,
-		      labcomm_handler_typecast_t,
-		      void *context);
-  int (*do_decode_one)(struct labcomm_decoder *decoder);
-  labcomm_error_handler_callback on_error;
-  labcomm_handle_new_datatype_callback on_new_datatype;
-} labcomm_decoder_t;
-
-/*
- * Non typesafe registration function to be called from
- * generated labcomm_decoder_register_* functions.
- */
-void labcomm_internal_decoder_register(
-  labcomm_decoder_t *, 
-  labcomm_signature_t *, 
-  labcomm_decoder_typecast_t,
-  labcomm_handler_typecast_t,
-  void *context);
-
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-
-#define LABCOMM_DECODE(name, type)					\
-  static inline type labcomm_read_##name(labcomm_reader_t *r) {		\
-    type result; int i;							\
-    for (i = sizeof(type) - 1 ; i >= 0 ; i--) {				\
-      if (r->pos >= r->count) {						\
-	r->read(r, labcomm_reader_continue);				\
-      }									\
-      ((unsigned char*)(&result))[i] = r->data[r->pos];			\
-      r->pos++;								\
-    }									\
-    return result;							\
-  }									\
-  static inline type labcomm_decode_##name(labcomm_decoder_t *d) {	\
-    return labcomm_read_##name(&d->reader);				\
-  }
-
-#else
-
-#define LABCOMM_DECODE(name, type)					\
-  static inline type labcomm_read_##name(labcomm_reader_t *r) {		\
-    type result; int i;							\
-    for (i = 0 ; i < sizeof(type) ; i++) {				\
-      if (r->pos >= r->count) {						\
-	r->read(r, labcomm_reader_continue);				\
-      }									\
-      ((unsigned char*)(&result))[i] = r->data[r->pos];			\
-      r->pos++;								\
-    }									\
-    return result;							\
-  }									\
-  static inline type labcomm_decode_##name(labcomm_decoder_t *d) {	\
-    return labcomm_read_##name(&d->reader);				\
-  }
-
-#endif
-
-LABCOMM_DECODE(boolean, unsigned char)
-LABCOMM_DECODE(byte, unsigned char)
-LABCOMM_DECODE(short, short)
-LABCOMM_DECODE(int, int)
-LABCOMM_DECODE(long, long long)
-LABCOMM_DECODE(float, float)
-LABCOMM_DECODE(double, double)
-static inline char *labcomm_read_string(labcomm_reader_t *r)
-{
-  char *result;
-  int length, i; 
-  
-  length = labcomm_read_int(r);
-  result = malloc(length + 1);
-  for (i = 0 ; i < length ; i++) {
-    if (r->pos >= r->count) {	
-      r->read(r, labcomm_reader_continue);
-    }
-    result[i] = r->data[r->pos];
-    r->pos++;
-  }
-  result[length] = 0;
-  return result;
-}
-
-static inline char *labcomm_decode_string(labcomm_decoder_t *d)
-{
-  return labcomm_read_string(&d->reader);
-}
-
-static inline int labcomm_buffer_read(struct labcomm_reader *r, 
-				      labcomm_reader_action_t action)
-{
-  // If this gets called, it is an error, 
-  // so note error and let producer proceed
-  r->context = r;
-  r->pos = 0;
-  return 0;
-}
-
-static inline int labcomm_buffer_reader_error(struct labcomm_reader *r) 
-{
-  return r->context != NULL;
-} 
-
-static inline void labcomm_buffer_reader_setup(
-  labcomm_reader_t *r,
-  void *data,
-  int length)
-{
-  r->context = NULL; // Used as errer flag
-  r->data = data;  
-  r->data_size = length;
-  r->count = length;
-  r->pos = 0;
-  r->read = labcomm_buffer_read;
-}
-
-/*
- * Semi private encoder declarations
- */
-typedef void (*labcomm_encode_typecast_t)(
-  struct labcomm_encoder *,
-  void *value);
-
-typedef struct labcomm_encoder {
-  void *context;
-  labcomm_writer_t writer;
-  void (*do_register)(struct labcomm_encoder *encoder, 
-		      labcomm_signature_t *signature,
-		      labcomm_encode_typecast_t);
-  void (*do_encode)(struct labcomm_encoder *encoder, 
-		    labcomm_signature_t *signature, 
-		    void *value);
-  labcomm_error_handler_callback on_error;
-} labcomm_encoder_t;
-
-void labcomm_internal_encoder_register(
-  labcomm_encoder_t *encoder, 
-  labcomm_signature_t *signature, 
-  labcomm_encode_typecast_t encode);
-
-void labcomm_internal_encode(
-  labcomm_encoder_t *encoder, 
-  labcomm_signature_t *signature, 
-  void *value);
-
-#define LABCOMM_USER_ACTION(i) (i + 100)
-void labcomm_internal_encoder_user_action(struct labcomm_encoder *encoder, 
-					  int action);
-
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-
-#define LABCOMM_ENCODE(name, type)					\
-  static inline void labcomm_write_##name(labcomm_writer_t *w, type data) { \
-    int i;								\
-    for (i = sizeof(type) - 1 ; i >= 0 ; i--) {				\
-      if (w->pos >= w->count) { /*buffer is full*/			\
-	w->write(w, labcomm_writer_continue);				\
-      }									\
-      w->data[w->pos] = ((unsigned char*)(&data))[i];			\
-      w->pos++;								\
-    }									\
-  }									\
-  static inline void labcomm_encode_##name(labcomm_encoder_t *e, type data) { \
-    labcomm_write_##name(&e->writer, data);				\
-  }
-
-#else
-
-#define LABCOMM_ENCODE(name, type)					\
-  static inline void labcomm_write_##name(labcomm_writer_t *w, type data) { \
-    int i;								\
-    for (i = 0 ; i < sizeof(type) ; i++) {				\
-      if (w->pos >= w->count) {						\
-	w->write(w, labcomm_writer_continue);			\
-      }									\
-      w->data[w->pos] = ((unsigned char*)(&data))[i];			\
-      w->pos++;								\
-    }									\
-  }									\
-  static inline void labcomm_encode_##name(labcomm_encoder_t *e, type data) { \
-    labcomm_write_##name(&e->writer, data);				\
-  }
-
-#endif
-
-LABCOMM_ENCODE(boolean, unsigned char)
-LABCOMM_ENCODE(byte, unsigned char)
-LABCOMM_ENCODE(short, short)
-LABCOMM_ENCODE(int, int)
-LABCOMM_ENCODE(long, long long)
-LABCOMM_ENCODE(float, float)
-LABCOMM_ENCODE(double, double)
-static inline void labcomm_write_string(labcomm_writer_t *w, char *s)
-{
-  int length, i; 
-
-  length = strlen((char*)s);
-  labcomm_write_int(w, length);
-  for (i = 0 ; i < length ; i++) {
-    if (w->pos >= w->count) {	
-      w->write(w, labcomm_writer_continue);
-    }
-    w->data[w->pos] = s[i];
-    w->pos++;
-  }
-}
-
-static inline void labcomm_encode_string(labcomm_encoder_t *e, 
-					 char *s)
-{
-  labcomm_write_string(&e->writer, s);
-}
-
-void labcomm_encode_type_index(labcomm_encoder_t *e, labcomm_signature_t *s);
-
-static inline int labcomm_buffer_write(struct labcomm_writer *w, 
-                                       labcomm_writer_action_t action)
-{
-  // If this gets called, it is an error, 
-  // so note error and let producer proceed
-  w->context = w;
-  w->pos = 0;
-  return 0;
-}
-
-
-static inline int labcomm_buffer_writer_error(struct labcomm_writer *w) 
-{
-  return w->context != NULL;
-} 
-
-
-static inline void labcomm_buffer_writer_setup(struct labcomm_writer *w,
-                                               void *data,
-                                               int length)
-{
-  w->context = NULL; // Used as error flag
-  w->data = data;
-  w->data_size = length;
-  w->count = length;
-  w->pos = 0;
-  w->write = labcomm_buffer_write;
-}
-
-#endif

lib/c/os_compat.mk

+## Macros
+UNAME_S=$(shell uname -s)
+VERSION=2014
+LIBVERSION=2014
+
+ifeq ($(UNAME_S),Linux)
+  CC=$(CROSS_COMPILE)gcc
+  LD=$(CROSS_COMPILE)gcc
+  CFLAGS=-std=c99 -g -Wall -Werror -O3  -I.
+  CFLAGS_TEST=$(CFLAGS) -Itest
+  LDFLAGS=-L..
+  LDLIBS=-llabcomm$(LIBVERSION) -lrt
+  LD_LIBRARY_PATH_NAME=LD_LIBRARY_PATH
+  MAKESHARED=gcc -o $1 -shared -Wl,-soname,$2 $3 -lc -lrt
+else ifeq ($(UNAME_S),Darwin)
+  #CC=$(CROSS_COMPILE)clang
+  #LD=$(CROSS_COMPILE)ld
+  CC=$(CROSS_COMPILE)gcc
+  LD=$(CROSS_COMPILE)gcc
+  CFLAGS=-g -Wall -Werror -O3  -I. -Itest \
+	 -DLABCOMM_COMPAT=\"labcomm$(VERSION)_compat_osx.h\" \
+	 -DLABCOMM_OS_DARWIN=1 \
+	 -Wno-unused-function
+#	 -Wno-tautological-compare
+  CFLAGS+=-std=c99
+  LDFLAGS=-L..
+  LDLIBS=-llabcomm$(LIBVERSION)
+  LD_LIBRARY_PATH_NAME=DYLD_LIBRARY_PATH
+  MAKESHARED=clang -o $1 -shared -Wl,-install_name,$2 $3 -lc
+else ifneq ($(findstring CYGWIN,$(UNAME_S)),)
+  CC=$(CROSS_COMPILE)gcc
+  LD=$(CROSS_COMPILE)ld
+  CFLAGS=-std=c99 -g -Wall -Werror -O3  -I.
+  LDFLAGS=-L..
+  LDLIBS=-llabcomm$(LIBVERSION) -lrt
+  ALL_DEPS:=$(filter-out %.so.1, $(ALL_DEPS)) # No -fPIC supported in windows?
+else
+  $(error Unknown system $(UNAME_S))
+endif
+CFLAGS_TEST=$(CFLAGS) -Itest -DVERSION=$(VERSION)
+
+ifeq ($(CROSS_COMPILE),i586-wrs-vxworks-)
+  ALL_DEPS:=$(filter-out %.so.1, $(ALL_DEPS)) # PIC is only supported for RTPs
+  CFLAGS:=$(CFLAGS) -DLABCOMM_COMPAT=\"labcomm_compat_vxworks.h\"
+endif

lib/c/test/test_labcomm.c

-
-#include "CUnit/Basic.h"
-#include "CUnit/Console.h"
-#include <stdbool.h>
-
-#include <labcomm.h>
-#include <labcomm_mem_writer.h>
-#include <labcomm_mem_reader.h>
-#include "test/testdata/gen/test_sample.h"
-
-#define TEST_BUFFER_SIZE (50)
-
-void test_error_handler(enum labcomm_error error_id, size_t nbr_va_args, ...);
-
-int init_suit_labcomm()
-{
-	return 0;
-}
-
-int clean_suit_labcomm()
-{
-	return 0;
-}
-
-void setup_connected_encoder_decoder(struct labcomm_encoder **enc,
-		labcomm_mem_writer_context_t *enc_ctx,
-		struct labcomm_decoder **dec,
-		labcomm_mem_reader_context_t *dec_ctx)
-{
-	enc_ctx->write_pos = 0;
-	enc_ctx->buf = malloc(TEST_BUFFER_SIZE);
-	enc_ctx->length = TEST_BUFFER_SIZE;
-
-	*enc = labcomm_encoder_new(labcomm_mem_writer, enc_ctx);
-
-	dec_ctx->size = 0;
-	dec_ctx->enc_data = enc_ctx->buf;
-	*dec = labcomm_decoder_new(labcomm_mem_reader, dec_ctx);
-
-	labcomm_register_error_handler_decoder(*dec, test_error_handler);
-	labcomm_register_error_handler_encoder(*enc, test_error_handler);
-}
-
-static bool in_error = false;
-static enum labcomm_error in_error_id = LABCOMM_ERROR_ENUM_BEGIN_GUARD;
-void test_error_handler(enum labcomm_error error_id, size_t nbr_va_args, ...)
-{
-	in_error = true;
-	in_error_id = error_id;
-}
-
-static bool got_sample = false;
-void test_decoder_handle_test_sample_test_var(test_sample_test_var *v, void *ctx)
-{
-	got_sample = true;
-}
-
-void test_decoder_decode_sig()
-{
-	labcomm_mem_writer_context_t enc_ctx;
-	struct labcomm_encoder *encoder;
-	labcomm_mem_reader_context_t dec_ctx;
-	struct labcomm_decoder *decoder;
-	setup_connected_encoder_decoder(&encoder, &enc_ctx, &decoder, &dec_ctx);
-
-	labcomm_encoder_register_test_sample_test_var(encoder);
-	dec_ctx.size = enc_ctx.write_pos;
-
-	labcomm_decoder_register_test_sample_test_var(decoder,
-			test_decoder_handle_test_sample_test_var, NULL);
-	labcomm_decoder_decode_one(decoder);
-
-	CU_ASSERT_FALSE(in_error);
-	enc_ctx.write_pos = 0;
-	test_sample_test_var var = 1;
-	labcomm_encode_test_sample_test_var(encoder, &var);
-	dec_ctx.size = enc_ctx.write_pos;
-	labcomm_decoder_decode_one(decoder);
-
-	CU_ASSERT_FALSE(in_error);
-	CU_ASSERT_FALSE(got_sample);
-
-	labcomm_decoder_free(decoder);
-	labcomm_encoder_free(encoder);
-	free(enc_ctx.buf);
-
-	in_error = false;
-	in_error_id = LABCOMM_ERROR_ENUM_BEGIN_GUARD;
-	got_sample = false;
-}
-
-static bool got_new_datatype = false;
-static labcomm_signature_t new_sig;
-int test_new_datatype(struct labcomm_decoder *decoder,
-		labcomm_signature_t *sig)
-{
-	got_new_datatype = true;
-	memcpy(&new_sig, sig, sizeof(labcomm_signature_t));
-	return 0;
-}
-
-void test_decode_unreg_signature_handle()
-{
-	labcomm_mem_writer_context_t enc_ctx;
-	struct labcomm_encoder *encoder;
-	labcomm_mem_reader_context_t dec_ctx;
-	struct labcomm_decoder *decoder;
-	setup_connected_encoder_decoder(&encoder, &enc_ctx, &decoder, &dec_ctx);
-
-	labcomm_encoder_register_test_sample_test_var(encoder);
-	dec_ctx.size = enc_ctx.write_pos;
-	labcomm_decoder_register_new_datatype_handler(decoder, test_new_datatype);
-	labcomm_decoder_decode_one(decoder);
-
-	CU_ASSERT_TRUE(got_new_datatype);
-	CU_ASSERT_EQUAL(
-			memcmp(new_sig.signature, dec_ctx.enc_data, dec_ctx.size), 0);
-
-	got_new_datatype = false;
-	labcomm_decoder_free(decoder);
-	labcomm_encoder_free(encoder);
-	free(enc_ctx.buf);
-}
-
-void test_decode_unreg_signature_error()
-{
-	labcomm_mem_writer_context_t enc_ctx;
-	struct labcomm_encoder *encoder;
-	labcomm_mem_reader_context_t dec_ctx;
-	struct labcomm_decoder *decoder;
-	setup_connected_encoder_decoder(&encoder, &enc_ctx, &decoder, &dec_ctx);
-
-	labcomm_encoder_register_test_sample_test_var(encoder);
-	dec_ctx.size = enc_ctx.write_pos;
-
-	labcomm_decoder_decode_one(decoder);
-
-	CU_ASSERT_TRUE(in_error);
-	CU_ASSERT_EQUAL(in_error_id, LABCOMM_ERROR_DEC_UNKNOWN_DATATYPE);
-	got_new_datatype = false;
-	labcomm_decoder_free(decoder);
-	labcomm_encoder_free(encoder);
-	free(enc_ctx.buf);
-}
-int main()
-{
-	CU_pSuite suite_decoder = NULL;
-
-	// Initialize CUnit test registry.
-	if (CUE_SUCCESS != CU_initialize_registry()) {
-		return CU_get_error();
-	}
-
-	// Add our test suites.
-	suite_decoder = CU_add_suite("transport_enc_dec",
-			init_suit_labcomm, clean_suit_labcomm);
-	if (suite_decoder == NULL) {
-		CU_cleanup_registry();
-		return CU_get_error();
-	}
-
-	if (
-			(CU_add_test(suite_decoder, "test_decoder_decode_sig",
-					test_decoder_decode_sig) == NULL)
-			||
-			(CU_add_test(suite_decoder, "test_decode_unreg_signature_handle",
-					test_decode_unreg_signature_handle) == NULL)
-			||
-			(CU_add_test(suite_decoder, "test_decode_unreg_signature_error",
-					test_decode_unreg_signature_error) == NULL)
-		) {
-		CU_cleanup_registry();
-		return CU_get_error();
-	}
-
-	// Set verbosity.
-	CU_basic_set_mode(CU_BRM_VERBOSE);
-	/*CU_console_run_tests();*/
-
-	// Run all test suites.
-	CU_basic_run_tests();
-
-	// Clean up.
-	CU_cleanup_registry();
-
-	return CU_get_error();
-}

lib/c/test/testdata/test_sample.lc

-sample int test_var;

lib/c/version_compare.py

+#!/usr/bin/python
+
+import os
+import sys
+import difflib
+import re
+
+class File:
+
+    def __init__(self, path, match, replacement):
+        def replace(s):
+            r = re.sub('[ \t]+', ' ', s).replace(match, replacement)
+            r = r.strip() + '\n'
+            return r
+        self.name = path.replace(match, replacement)
+        self.path = path
+        with open(path) as f:
+            self.lines = map(replace, f.readlines())
+
+    def __cmp__(self, other):
+        if other == None:
+            return cmp(self.name, other)
+        return cmp(self.name, other.name)
+
+def readfiles(root, match, replacement):
+    result = []
+    for n in os.listdir(root):
+        path = os.path.join(root, n)
+        if os.path.islink(path):
+            pass
+        elif os.path.isdir(path):
+            for f in filter(None, readfiles(path, match, replacement)):
+                result.append(f)
+        else:
+            result.append(File(path, match, replacement))
+    for f in sorted(result):
+        yield f
+    yield None
+
+if __name__ == '__main__':
+    A = readfiles(*sys.argv[1:4])
+    B = readfiles(*sys.argv[4:7])
+    a = A.next()
+    b = B.next()
+    while a != None or b != None:
+        if b == None or a.name < b.name:
+            print "Only in %s:" %sys.argv[1], a.path
+            a = A.next()
+        elif a == None or a.name > b.name: 
+            print "Only in %s:" %sys.argv[4], b.path
+            b = B.next()
+        else:
+            equal = True
+            for l in difflib.unified_diff(a.lines, b.lines, a.path, b.path):
+                print l,
+                equal = False
+            if equal:
+                print "Identical", a.path, b.path
+                
+            a = A.next() 
+            b = B.next() 

lib/csharp/.gitignore

+labcomm2014.dll

lib/csharp/Makefile

+MODULES=Constant\
+	Decoder \
+	DecoderChannel \
+	DecoderRegistry \
+	Encoder \
+	EncoderChannel \
+	EncoderRegistry \
+	RenamingDecoder \
+	RenamingEncoder \
+	RenamingRegistry \
+	Sample \
+	SampleDispatcher \
+	SampleHandler \
+	SampleType \
+	WrappingDecoder \
+	WrappingEncoder
+
+.PHONY: all
+all: labcomm2014.dll
+
+labcomm2014.dll: $(MODULES:%=se/lth/control/labcomm2014/%.cs) Makefile
+	mcs -out:$@ -target:library $(filter %.cs, $^)
+
+.PHONY: test
+test:
+
+.PHONY: clean
+clean:
+
+.PHONY: distclean
+distclean:
+	rm -f labcomm2014.dll

lib/csharp/se/lth/control/labcomm/LabCommHandler.cs

-namespace se.lth.control.labcomm {
-
-  public interface LabCommHandler {
-  }
-
-}
\ No newline at end of file

lib/csharp/se/lth/control/labcomm/LabCommSample.cs

-public interface LabCommSample {
-
-}

lib/csharp/se/lth/control/labcomm/LabComm.cs → lib/csharp/se/lth/control/labcomm2014/Constant.cs

-namespace se.lth.control.labcomm {
+namespace se.lth.control.labcomm2014 {
 
-  public class LabComm {
+  public class Constant {
+
+    public const string CURRENT_VERSION = "LabComm2014";
+
+    /*
+     * Allowed packet tags
+     */
+    public const int VERSION          = 0x01;
+    public const int SAMPLE_DEF       = 0x02;
+    public const int SAMPLE_REF       = 0x03;
+    public const int TYPE_DEF         = 0x04;
+    public const int TYPE_BINDING     = 0x05;
+    public const int PRAGMA           = 0x3f;
+    public const int FIRST_USER_INDEX = 0x40; /* ..0xffffffff */
 
     /*
-     * Predeclared aggregate type indices
+     * Predefined aggregate type indices
      */
-    public const int TYPEDEF          = 0x01;
-    public const int SAMPLE           = 0x02;
     public const int ARRAY            = 0x10;
     public const int STRUCT           = 0x11;
     
@@ -21,11 +32,7 @@ namespace se.lth.control.labcomm {
     public const int FLOAT            = 0x25;
     public const int DOUBLE           = 0x26;
     public const int STRING           = 0x27;
-    
-    /*
-     * start of user defined types 
-     */
-    public const int FIRST_USER_INDEX = 0x80;
+    public const int SAMPLE           = 0x28;
     
   }