rvepp.c

h.248协议源码

#if (0)
******************************************************************************
Filename   :
Description:
******************************************************************************
                Copyright (c) 1999 RADVision Inc.
************************************************************************
NOTICE:
This document contains information that is proprietary to RADVision LTD.
No part of this publication may be reproduced in any form whatsoever 
without written prior approval by RADVision LTD..

RADVision LTD. reserves the right to revise this publication and make 
changes without obligation to notify any person of such revisions or 
changes.
******************************************************************************
$Revision:$
$Date:$
$Author: S. Cipolli$
******************************************************************************
#endif
#include <stdio.h>
#include <stdlib.h>
#include "rvstr.h"
#include "rvlog.h"
#include "rvepp.h"

RvEppConnParameters* rvEppConnParametersConstruct(RvEppConnParameters* cp) {
	cp->mask = 0;
	return cp;
}

RvEppConnParameters* rvEppConnParametersConstructDecode(RvEppConnParameters* cp, char* connParams) {
	char err[128];
	char* token;
	RvStrTok commaTokenizer;
	
	cp->mask = 0;

	rvStrTokConstruct(&commaTokenizer, ",", connParams);
	while ((token = rvStrTokGetToken(&commaTokenizer)) != NULL) {
		RvStrTok equalTokenizer;
		char* name;
		char* value;
		rvStrTokConstruct(&equalTokenizer, "=", token);
		name = rvStrTokGetToken(&equalTokenizer);
		value = rvStrTokGetToken(&equalTokenizer);
		if (strcmp(name, "codec") == 0) {
			rvEppConnParametersSetCodec(cp, atoi(value));
		} else if (strcmp(name, "rate") == 0) {
			rvEppConnParametersSetRate(cp, atoi(value));
		} else if (strcmp(name, "mode") == 0) {
			rvEppConnParametersSetMode(cp, atoi(value));
		} else if (strcmp(name, "ip") == 0) {
				rvEppConnParametersSetIp(cp, value);
		} else if (strcmp(name, "port") == 0) {
				rvEppConnParametersSetPort(cp, (RvInetPort)atoi(value));
		} else {
			sprintf(err, "RvEppServerConnParameters: Unknown connection parameter %s", name);
			rvLogError(&rvLog, err);
		}
		rvStrTokDestruct(&equalTokenizer);
	}
	
	rvStrTokDestruct(&commaTokenizer);

	return cp;
}

char* rvEppConnParametersEncode(const RvEppConnParameters* cp, char* connParamsStr) {
	char str[32];
	size_t len;
	
	connParamsStr[0] = '\0';
	if (cp->mask & RV_EPPCONNPARAMETERS_MODE) {	
		sprintf(str, "mode=%u,", cp->mode);
		strcat(connParamsStr, str);
	}
	if (cp->mask & RV_EPPCONNPARAMETERS_CODEC) {
		sprintf(str, "codec=%u,", cp->codec);
		strcat(connParamsStr, str);
	}
	if (cp->mask & RV_EPPCONNPARAMETERS_RATE) {
		sprintf(str, "rate=%u,", cp->rate);
		strcat(connParamsStr, str);
	}
	if (cp->mask & RV_EPPCONNPARAMETERS_IP) {
		sprintf(str, "ip=%s,", cp->ip);
		strcat(connParamsStr, str);
	}
	if (cp->mask & RV_EPPCONNPARAMETERS_PORT) {
		sprintf(str, "port=%hu,", cp->port);
		strcat(connParamsStr, str);
	}

	/* Strip trailing comma */
	len = strlen(connParamsStr);
	if (len > 0)
		connParamsStr[len - 1] = '\0';
	
	return connParamsStr;
}
void rvEppConnParametersSetMode(RvEppConnParameters* cp, RvEppConnMode mode) {
	cp->mask |= RV_EPPCONNPARAMETERS_MODE;
	cp->mode = mode;
}
void rvEppConnParametersSetCodec(RvEppConnParameters* cp, unsigned int codec) {
	cp->mask |= RV_EPPCONNPARAMETERS_CODEC;
	cp->codec = codec;
}
void rvEppConnParametersSetRate(RvEppConnParameters* cp, unsigned int rate) {
	cp->mask |= RV_EPPCONNPARAMETERS_RATE;
	cp->rate = rate;
}
void rvEppConnParametersSetIp(RvEppConnParameters* cp, const char* ip) {
	cp->mask |= RV_EPPCONNPARAMETERS_IP;
	strcpy(cp->ip, ip);
}
void rvEppConnParametersSetPort(RvEppConnParameters* cp, RvInetPort port) {
	cp->mask |= RV_EPPCONNPARAMETERS_PORT;
	cp->port = port;
}