doubango/tinyBFCP/src/tbfcp_utils.c
c732d49e
 #if HAVE_CRT
 #define _CRTDBG_MAP_ALLOC 
 #include <stdlib.h> 
 #include <crtdbg.h>
 #endif //HAVE_CRT
 /*
 * Copyright (C) 2017, University of the Basque Country (UPV/EHU)
 * Contact for licensing options: <licensing-mcpttclient(at)mcopenplatform(dot)com>
 *
 * The original file was part of Open Source Doubango Framework
 * Copyright (C) 2010-2011 Mamadou Diop.
 * Copyright (C) 2012 Doubango Telecom <http://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.
 *
 */
 
 #include "tinybfcp/tbfcp_utils.h"
 
 #include "tinynet.h"
 #include "tsk_string.h"
 #include "tsk_debug.h"
 
 int tbfcp_utils_get_profile(enum tnet_socket_type_e e_socket_type, const char** ppc_profile)
 {
     if (!ppc_profile) {
         TSK_DEBUG_ERROR("Invalid parameter");
         return -1;
     }
 
     if (TNET_SOCKET_TYPE_IS_DTLS(e_socket_type)) {
         *ppc_profile = kBfcpProfileDTLS;
         return 0;
     }
     if (TNET_SOCKET_TYPE_IS_UDP(e_socket_type)) {
         *ppc_profile = kBfcpProfileUDP;
         return 0;
     }
     if (TNET_SOCKET_TYPE_IS_TLS(e_socket_type)) {
         *ppc_profile = kBfcpProfileTLS;
         return 0;
     }
     if (TNET_SOCKET_TYPE_IS_TCP(e_socket_type)) {
         *ppc_profile = kBfcpProfileTCP;
         return 0;
     }
     TSK_DEBUG_ERROR("%d not supported as valid socket type for BFCP sessions", e_socket_type);
     return -2;
 }
 
 int tbfcp_utils_get_role(enum tbfcp_role_e e_role, const char** ppc_role)
 {
     if (!ppc_role) {
         TSK_DEBUG_ERROR("Invalid parameter");
         return -1;
     }
     switch (e_role) {
     case tbfcp_role_c_only:
         *ppc_role = kBfcpRoleC;
         return 0;
     case tbfcp_role_s_only:
         *ppc_role = kBfcpRoleS;
         return 0;
     case tbfcp_role_c_s:
         *ppc_role = kBfcpRoleCS;
         return 0;
     default:
         TSK_DEBUG_ERROR("%d not valid BFCP role", e_role);
         return -2;
     }
 }
 
 int tbfcp_utils_parse_role(const char* pc_role, enum tbfcp_role_e* pe_role)
 {
     if (!pc_role || !pe_role) {
         TSK_DEBUG_ERROR("Invalid parameter");
         return -1;
     }
     if (tsk_striequals(pc_role, kBfcpRoleC)) {
         *pe_role = tbfcp_role_c_only;
         return 0;
     }
     if (tsk_striequals(pc_role, kBfcpRoleS)) {
         *pe_role = tbfcp_role_s_only;
         return 0;
     }
     if (tsk_striequals(pc_role, kBfcpRoleCS)) {
         *pe_role = tbfcp_role_c_s;
         return 0;
     }
     TSK_DEBUG_ERROR("%s not valid BFCP role", pc_role);
     return -2;
 }
 
 int tbfcp_utils_get_setup(enum tbfcp_role_e e_setup, const char** ppc_setup)
 {
 	if (!ppc_setup) {
         TSK_DEBUG_ERROR("Invalid parameter");
         return -1;
     }
     switch (e_setup) {
     case tbfcp_setup_actpass:
         *ppc_setup = kBfcpSetupActPass;
         return 0;
     case tbfcp_setup_active:
         *ppc_setup = kBfcpSetupActive;
         return 0;
     case tbfcp_setup_passive:
         *ppc_setup = kBfcpSetupPassive;
         return 0;
     default:
         TSK_DEBUG_ERROR("%d not valid BFCP setup", e_setup);
         return -2;
     }
 }
 
 int tbfcp_utils_parse_setup(const char* pc_setup, enum tbfcp_setup_e* pe_setup)
 {
 	if (!pc_setup || !pe_setup) {
         TSK_DEBUG_ERROR("Invalid parameter");
         return -1;
     }
     if (tsk_striequals(pc_setup, kBfcpSetupActPass)) {
         *pe_setup = tbfcp_setup_actpass;
         return 0;
     }
     if (tsk_striequals(pc_setup, kBfcpSetupActive)) {
         *pe_setup = tbfcp_setup_active;
         return 0;
     }
     if (tsk_striequals(pc_setup, kBfcpSetupPassive)) {
         *pe_setup = tbfcp_setup_passive;
         return 0;
     }
     TSK_DEBUG_ERROR("%s not valid BFCP setup", pc_setup);
     return -2;
 }
 
 int tbfcp_utils_is_role_acceptable(enum tbfcp_role_e e_role_local, enum tbfcp_role_e e_role_proposed, tsk_bool_t *pb_acceptable)
 {
 	if (!pb_acceptable) {
 		TSK_DEBUG_ERROR("Invalid parameter");
         return -1;
 	}
 	switch (e_role_local) {
 		case tbfcp_role_c_only:
 			*pb_acceptable = (e_role_proposed == tbfcp_role_s_only || e_role_proposed == tbfcp_role_c_s);
 			break;
 		case tbfcp_role_s_only:
 			*pb_acceptable = (e_role_proposed == tbfcp_role_c_only || e_role_proposed == tbfcp_role_c_s);
 			break;
 		case tbfcp_role_c_s:
 			*pb_acceptable = tsk_true;
 			break;
 		default:
 			*pb_acceptable = tsk_false;
 			break;
 	}
 	return 0;
 }
 
 int tbfcp_utils_is_setup_acceptable(enum tbfcp_setup_e e_setup_local, enum tbfcp_setup_e e_setup_proposed, tsk_bool_t *pb_acceptable)
 {
 	if (!pb_acceptable) {
 		TSK_DEBUG_ERROR("Invalid parameter");
         return -1;
 	}
 	switch (e_setup_local) {
 		case tbfcp_setup_active:
 			*pb_acceptable = (e_setup_proposed == tbfcp_setup_passive || e_setup_proposed == tbfcp_setup_actpass);
 			break;
 		case tbfcp_setup_passive:
 			*pb_acceptable = (e_setup_proposed == tbfcp_setup_active || e_setup_proposed == tbfcp_setup_actpass);
 			break;
 		case tbfcp_setup_actpass:
 			*pb_acceptable = tsk_true;
 			break;
 		default:
 			*pb_acceptable = tsk_false;
 			break;
 	}
 	return 0;
 }
 
 uint16_t tbfcp_utils_rand_u16()
 {
 	static long __rand = 0;
 	long num = tsk_atomic_inc(&__rand);
 	return ((num % 0xFF) << 8) | (tsk_time_epoch() % 0xFF);
 }