Move deprecated v1.0 from trunk to branches1.0

1 files changed, 191 insertions, 0 deletions

diff --git a/tinySIGCOMP/src/tcomp_state.c b/tinySIGCOMP/src/tcomp_state.c
new file mode 100644
index 0000000..701086b
--- /dev/null
+++ b/tinySIGCOMP/src/tcomp_state.c
@@ -0,0 +1,191 @@
+/*
+* Copyright (C) 2009-2010 Mamadou Diop.
+*
+* Contact: Mamadou Diop <diopmamadou(at)doubango.org>
+*	
+* This file is part of Open Source Doubango Framework.
+*
+* DOUBANGO 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.
+*	
+* DOUBANGO 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 DOUBANGO.
+*
+*/
+
+/**@file tcomp_state.c
+ * @brief  SigComp state.
+ *
+ * @author Mamadou Diop <diopmamadou(at)yahoo.fr>
+ *
+ * @date Created: Sat Nov 8 16:54:58 2009 mdiop
+ */
+#include "tcomp_state.h"
+#include "tsk_memory.h"
+#include "tsk_debug.h"
+#include "tsk_sha1.h"
+
+/** Creates new SigComp state.
+*/
+tcomp_state_t* tcomp_state_create(uint16_t length, uint16_t address, uint16_t instruction, uint16_t minimum_access_length, uint16_t retention_priority)
+{
+	return tsk_object_new(tcomp_state_def_t, length, address, instruction, minimum_access_length, retention_priority);
+}
+
+/** Compares two sigomp states.
+* @param state1 First state to compare.
+* @param state2 Second state to compare.
+* @retval 1 if the two handles are equals and 0 otherwise.
+*/
+int tcomp_state_equals(const tcomp_state_t *state1, const tcomp_state_t *state2)
+{
+	if(state1 && state2)
+	{
+		return tcomp_buffer_equals(state1->identifier, state2->identifier);
+	}
+	else if(!state1 && !state2) return 1;
+	else return 0;
+}
+
+/**Computes the state identifier by calculating a 20-byte SHA-1 hash [RFC-3174] over the
+*  byte string formed by concatenating the state_length, state_address,
+*  state_instruction, minimum_access_length and state_value (in the order given).
+* @param state The state to make valid.
+*/
+void tcomp_state_makeValid(tcomp_state_t* state)
+{
+	tsk_sha1context_t sha;
+
+	if(!state){
+		TSK_DEBUG_ERROR("Invalid parameter");
+		return;
+	}
+
+	/* Lock */
+	tsk_safeobj_lock(state);
+	
+	tcomp_buffer_allocBuff(state->identifier, TSK_SHA1_DIGEST_SIZE);
+
+	/*=============
+		* Calculates a 20-byte SHA-1 hash [RFC-3174] over the byte string formed by concatenating the state_length, state_address,
+	    * state_instruction, minimum_access_length and state_value (in the order given).  This is the state_identifier. 
+	*/
+	{
+		uint8_t i;
+		int32_t err = tsk_sha1reset(&sha);
+		uint8_t firstPart[8];
+		
+#ifdef __SYMBIAN32__
+		uint16_t values[4];
+		values[0] = state->length,
+		values[1] = state->address,
+		values[2] = state->instruction,
+		values[3] = state->minimum_access_length;
+		
+#else
+		uint16_t values[4] = { state->length, state->address, state->instruction, state->minimum_access_length };
+#endif
+				
+		for(i=0; i<4; i++)
+		{
+		#if 0 /*BIG_ENDIAN*/// Do not change this (it's for my own tests)
+			firstPart[i] = (values[i] & 0xff);
+			firstPart[i+1] = (values[i] >> 8);
+		#else
+			firstPart[2*i] = (values[i] >> 8);
+			firstPart[2*i+1] = (values[i]& 0xff);
+		#endif
+		}
+
+		tsk_sha1input(&sha, firstPart, 8);
+		tsk_sha1input(&sha, tcomp_buffer_getBuffer(state->value), tcomp_buffer_getSize(state->value));
+		err = tsk_sha1result(&sha, (char*)tcomp_buffer_getBuffer(state->identifier));
+	}
+
+	/* unlock */
+	tsk_safeobj_unlock(state);
+}
+
+
+
+
+
+//========================================================
+//	State object definition
+//
+static tsk_object_t* tcomp_state_ctor(tsk_object_t * self, va_list * app)
+{
+	tcomp_state_t *state = self;
+	if(state){
+#if defined(__GNUC__)
+		state->length = (uint16_t)va_arg(*app, unsigned);
+		state->address = (uint16_t)va_arg(*app, unsigned);
+		state->instruction = (uint16_t)va_arg(*app, unsigned);
+		state->minimum_access_length = (uint16_t)va_arg(*app, unsigned);
+		state->retention_priority = (uint16_t)va_arg(*app, unsigned);
+#else
+		state->length = va_arg(*app, uint16_t);
+		state->address = va_arg(*app, uint16_t);
+		state->instruction = va_arg(*app, uint16_t);
+		state->minimum_access_length = va_arg(*app, uint16_t);
+		state->retention_priority = va_arg(*app, uint16_t);
+#endif
+
+		state->value = tcomp_buffer_create_null();
+		state->identifier = tcomp_buffer_create_null();
+		
+		/* Initialize safeobject */
+		tsk_safeobj_init(state);
+	}
+	else{
+		TSK_DEBUG_ERROR("Failed to create new state.");
+	}
+	return state;
+}
+
+static tsk_object_t* tcomp_state_dtor(tsk_object_t *self)
+{
+	tcomp_state_t *state = self;
+	if(state){
+		/* Deinitialize safeobject */
+		tsk_safeobj_deinit(state);
+
+		TSK_OBJECT_SAFE_FREE(state->identifier);
+		TSK_OBJECT_SAFE_FREE(state->value);
+	}
+	else{
+		TSK_DEBUG_ERROR("Null SigComp state.");
+	}
+
+	return self;
+}
+
+
+static int tcomp_state_cmp(const void *obj1, const void *obj2)
+{
+	const tcomp_state_t *state1 = obj1;
+	const tcomp_state_t *state2 = obj2;
+
+	if(state1 && state2){
+		return tcomp_buffer_equals(state1->identifier, state2->identifier) ? 0 : -1;
+	}
+	else if(!state1 && !state2) return 0;
+	else return -1;
+}
+
+static const tsk_object_def_t tcomp_state_def_s = 
+{
+	sizeof(tcomp_state_t),
+	tcomp_state_ctor,
+	tcomp_state_dtor,
+	tcomp_state_cmp
+};
+const tsk_object_def_t *tcomp_state_def_t = &tcomp_state_def_s;
+