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smschildprotocol.h
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smschildprotocol.h
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#ifndef SMS_51AD2DAD_B486_4391_A641_84C4719FF7DE
#define SMS_51AD2DAD_B486_4391_A641_84C4719FF7DE
#include <cc++/socket.h>
#include "sms.h"
#include "smschildprivilegechecker.h"
#include <asm/errno.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <signal.h>
#include <sstream>
#ifdef CCXX_NAMESPACES
using namespace std;
using namespace ost;
#endif
#include "childprotocol.h"
#include "smslogger.h"
namespace SMS {
const int queueLen=10;
class CChildProtocolTCPSocket : public TCPSocket
{
CSMSChildPrivilegeChecker* m_privilegeChecker;
protected:
bool onAccept(const InetHostAddress &ia, tpport_t port);
public:
CChildProtocolTCPSocket(InetAddress &ia, tpport_t port, CSMSChildPrivilegeChecker* privilegeChecker);
};
class myTcpStream:public tcpstream{
public:
ssize_t write(const char* buf, ssize_t bufLen){
return tcpstream::writeData(buf,bufLen);
}
ssize_t read(char* buf, ssize_t bufLen){
return tcpstream::readData(buf,bufLen);
}
};
CChildProtocolTCPSocket::CChildProtocolTCPSocket(InetAddress &ia, tpport_t port, CSMSChildPrivilegeChecker* privilegeChecker) :
TCPSocket(ia, port),m_privilegeChecker(privilegeChecker) {};
bool CChildProtocolTCPSocket::onAccept(const InetHostAddress &ia, tpport_t port){
std::stringstream st;
st<<ia;
return (m_privilegeChecker->isConnectPermitted(st.str().c_str(),port)==TRUE)?true:false;
};
class CSMSChildProtocol: public CSMSProtocol{
CSMSLogger* m_pSMSLogger;
int m_pid;
int m_state;
myTcpStream *m_pStream;
enum { ready,headLenghtUnkown, headIncomplete, bodyIncomplete };
unsigned long int m_serial;
CChildProtocolTCPSocket *m_pServiceSocket;
CSMSChildPrivilegeChecker *m_pChildPrivilegeChecker;
private:
unsigned long int getSerial(){
return m_serial++;
}
int doSendErrorMsg(byte msgType, byte SerialNo[4], byte ErrorCode){
char * msg;
unsigned long int len;
len=sizeof(SMSChildProtocolSendMessageSended);
msg=(char *)malloc(sizeof(SMSChildProtocolSendMessageSended));
memset(msg,0,len);
((PSMSChildProtocolSendMessageSended)(msg))->head.msgTypeID=msgType;
memcpy(((PSMSChildProtocolSendMessageSended)(msg))->head.SMSSerialNo, SerialNo,4);
sms_longToByte(((PSMSChildProtocolSendMessageSended)(msg))->head.msgLength,len-sizeof(SMSChildProtocolHead));
sms_longToByte(((PSMSChildProtocolSendMessageSended)(msg))->SerialNo,getSerial());
((PSMSChildProtocolSendMessageSended)(msg))->ErrorNo=ErrorCode;
sigset_t sigmask, oldmask;
sigemptyset(&sigmask);
sigaddset(&sigmask,SIGUSR1);
sigprocmask(SIG_BLOCK, &sigmask, &oldmask);
m_pStream->write(msg,len);
sigprocmask(SIG_SETMASK, & oldmask , NULL);
return 0;
}
int isMsgValid(char* buf, unsigned long int len, SMSMessage** msg, unsigned int * msgLen){
PSMSChildProtocolSendMessage testMsg=(PSMSChildProtocolSendMessage)buf;
*msgLen=sizeof(SMSMessage)+sms_byteToLong(testMsg->smsBodyLength);
*msg=(SMSMessage*) new char[*msgLen];
memset(*msg,0,*msgLen);
(*msg)->length=*msgLen;
strncpy((*msg)->SenderNumber , testMsg->senderNo , MOBILENUMBERLENGTH);
strncpy((*msg)->TargetNumber , testMsg->targetNo , MOBILENUMBERLENGTH);
strncpy((*msg)->FeeTargetNumber , testMsg->feeTargetNo , MOBILENUMBERLENGTH);
(*msg)->SMSBodyLength=sms_byteToLong(testMsg->smsBodyLength);
memcpy((*msg)->SMSBody, testMsg->smsBody, (*msg)->SMSBodyLength);
(*msg)->sendTime=time(NULL);
strncpy((*msg)->childCode,"11",SMS_MAXCHILDCODE_LEN);
(*msg)->childCode[SMS_MAXCHILDCODE_LEN]=0;
/*
strncpy((*msg)->parentID,"5618",SMS_PARENTID_LEN);
(*msg)->parentID[SMS_PARENTID_LEN]=0;
strncpy((*msg)->serviceCode,"-BZHLZC",SMS_FEECODE_LEN);
(*msg)->serviceCode[SMS_FEECODE_LEN]=0;
*/
(*msg)->FeeType=6;
(*msg)->FeeMoney=10;
if (!m_pChildPrivilegeChecker->isMsgValid(*msg)){
syslog(LOG_ERR,"message validation failed!");
return -1;
}
return 0;
}
int doMessage(CSMSStorage* pSMSStorage, char* msg, unsigned long int len){
if ((PSMSChildProtocolCommon(msg))->head.msgTypeID==MSGTYPE_SM ) {
SMSMessage * formatedMsg=NULL;
unsigned int msgLen=0;
int ret;
if (!(ret=isMsgValid(msg,len, &formatedMsg,&msgLen))){
pSMSStorage->writeSMStoStorage(formatedMsg->SenderNumber,formatedMsg->TargetNumber,(char *)formatedMsg,msgLen);
syslog(LOG_ERR,"send reply 1");
doSendErrorMsg(MSGTYPE_SMR, (PSMSChildProtocolCommon(msg))->head.SMSSerialNo, MSG_OK);
syslog(LOG_ERR,"send reply 2");
doSendErrorMsg(MSGTYPE_SMS, (PSMSChildProtocolCommon(msg))->head.SMSSerialNo, MSG_OK);
delete formatedMsg;
} else {
return -1;
}
}
if ((PSMSChildProtocolCommon(msg))->head.msgTypeID==MSGTYPE_CDR ) { //监测信息返回
//todo : 重设时钟
}
return 0;
}
int OnAccept(myTcpStream* pStream,CSMSStorage* pSMSStorage){
char buf[1000];
int errCount=0;
int i,ret,l;
int len=0;
byte msgType=0;
unsigned long int smsSerialNo, msgLen;
l=sizeof(SMSChildProtocolHead);
redo0:
i=pStream->read(buf,l);
if ((i<0) && (errno=EINTR)) {
goto redo0;
}
len+=i;
if (i<l) {
syslog(LOG_ERR, "read msg head error %d ", i);
return -1;
}
msgType=(PSMSChildProtocolCommon(buf))->head.msgTypeID;
msgLen=sms_byteToLong((PSMSChildProtocolCommon(buf))->head.msgLength);
smsSerialNo=sms_byteToLong((PSMSChildProtocolCommon(buf))->head.SMSSerialNo);
syslog(LOG_ERR,"msg head length %d",msgLen);
syslog(LOG_ERR,"msg sn %d",smsSerialNo);
if ( (msgType!=MSGTYPE_PWD) ) {
syslog(LOG_ERR, "msg head type error");
return -1;
}
redo02:
i=pStream->read(buf+len,msgLen);
if ((i<0) && (errno=EINTR)) {
goto redo02;
}
len+=i;
if (i<msgLen) {
syslog(LOG_ERR, "read msg head body error");
return -1;
}
if (!m_pChildPrivilegeChecker->canUserConnect( (PSMSChildProtocolPassword(buf))->user,(PSMSChildProtocolPassword(buf))->password) ){
syslog(LOG_ERR,"connection user & password wrong!");
return -1;
}
m_pStream=pStream;
pSMSStorage->init();
pSMSStorage->OnNotify();
for (;;){
len=0;
l=sizeof(SMSChildProtocolHead);
redo1:
i=pStream->read(buf,l);
if ((i<0) && (errno=EINTR)) {
goto redo1;
}
len+=i;
if (i<l) {
syslog(LOG_ERR, "read msg head error %d ", i);
break;
}
msgType=(PSMSChildProtocolCommon(buf))->head.msgTypeID;
msgLen=sms_byteToLong((PSMSChildProtocolCommon(buf))->head.msgLength);
smsSerialNo=sms_byteToLong((PSMSChildProtocolCommon(buf))->head.SMSSerialNo);
syslog(LOG_ERR,"msg head length %d",msgLen);
syslog(LOG_ERR,"msg sn %d",smsSerialNo);
if ( (msgType!=MSGTYPE_SM) && ( msgType!=MSGTYPE_CDR) ) {
doSendErrorMsg(MSGTYPE_SMR, (PSMSChildProtocolCommon(buf))->head.SMSSerialNo, MSGERR_MSGTYPE);
syslog(LOG_ERR, "msg head type error");
break;
}
redo2:
i=pStream->read(buf+len,msgLen);
if ((i<0) && (errno=EINTR)) {
goto redo2;
}
len+=i;
if (i<msgLen) {
syslog(LOG_ERR, "read msg head body error");
break;
}
if (msgType==MSGTYPE_SM) {
l=sms_byteToLong((PSMSChildProtocolSendMessage(buf))->smsBodyLength);
syslog(LOG_ERR, "msg body length %d", l);
redo3:
i=pStream->read(buf+len,l);
if ((i<0) && (errno=EINTR)) {
goto redo3;
}
len+=i;
if (i<l) {
syslog(LOG_ERR, "read msg head error ");
break;
}
}
doMessage(pSMSStorage,buf,len);
}
m_pStream=NULL;
return 0;
}
public:
CSMSChildProtocol(){
m_pid=0;
m_state=ready;
m_pStream=NULL;
m_serial=0;
m_pServiceSocket=NULL;
m_pChildPrivilegeChecker=NULL;
m_pSMSLogger=NULL;
}
int Run(CSMSStorage* pSMSStorage){
m_pSMSLogger=new CSMSLogger;
InetAddress addr;
m_pChildPrivilegeChecker=new CSMSChildPrivilegeChecker;
myTcpStream tcp;
try {
m_pServiceSocket=new CChildProtocolTCPSocket(addr,atoi(testport),m_pChildPrivilegeChecker);
while(m_pServiceSocket->isPendingConnection()){
tcp.open(*m_pServiceSocket);
if (m_pid!=0) {
kill(m_pid,SIGTERM);
}
switch(m_pid=fork()){
case 0:
delete m_pServiceSocket;
OnAccept(&tcp,pSMSStorage);
tcp.close();
exit(0);
break;
case -1:
syslog(LOG_ERR,"fork error");
exit(-1);
break;
default:
tcp.close();
}
}
} catch (Socket *socket)
{
tpport_t port;
InetAddress saddr = (InetAddress)socket->getPeer(&port);
syslog(LOG_ERR,"socket error %s : %d", saddr.getHostname(), port);
if(socket->getErrorNumber() == Socket::errResourceFailure)
{
syslog(LOG_ERR, "bind failed; no resources" );
}
if(socket->getErrorNumber() == Socket::errBindingFailed)
{
syslog(LOG_ERR, "bind failed; port busy" );
}
}
return 0;
}
int Send(PSMSMessage msg){
PSMSChildProtocolReceivedMessage sms;
if (m_pStream==NULL){
return -1;
}
if (!m_pChildPrivilegeChecker->isMsgValid(msg)){
syslog(LOG_ERR,"message validation failed!");
return -1;
}
unsigned long int smsLen=sizeof(SMSChildProtocolReceivedMessage)+msg->SMSBodyLength;
syslog(LOG_ERR,"write msg ....");
sms=(PSMSChildProtocolReceivedMessage)malloc(smsLen);
if (sms==NULL) {
syslog(LOG_ERR,"can't alloc enough memory for sms");
}
memset(sms,0,smsLen);
sms->head.msgTypeID=MSGTYPE_RM;
sms_longToByte( (sms->head.SMSSerialNo), getSerial());
sms_longToByte( (sms->head.msgLength),sizeof(SMSChildProtocolReceivedMessage)-sizeof(SMSChildProtocolHead) );
sms->smsTypeID=SMSTYPE_TEXT;
strncpy(sms->senderNo , msg->SenderNumber , MOBILENUMBERLENGTH);
strncpy(sms->targetNo , msg->TargetNumber , MOBILENUMBERLENGTH);
sms_longToByte((sms->smsLength) , msg->SMSBodyLength);
memcpy(sms->smsBody, msg->SMSBody, msg->SMSBodyLength);
sigset_t sigmask, oldmask;
sigemptyset(&sigmask);
sigaddset(&sigmask, SIGUSR1);
sigprocmask(SIG_BLOCK, &sigmask, &oldmask);
m_pStream->write((const char*)sms,smsLen);
sigprocmask(SIG_SETMASK, &oldmask , NULL);
free(sms);
m_pSMSLogger->logIt(msg->SenderNumber, msg->TargetNumber,"",0,"11",msg->parentID,msg->sendTime,time(NULL),msg->arriveTime,msg->SMSBody,msg->SMSBodyLength,0,SMS_TRANSFER_UP);
return 0;
}
~CSMSChildProtocol() {
delete m_pSMSLogger;
}
};
}
#endif