Cleanup, fix style, const fix.

This commit is contained in:
Steve Checkoway
2004-08-14 05:57:11 +00:00
parent f7c9a5191d
commit 9946dcd335
2 changed files with 152 additions and 120 deletions
+133 -103
View File
@@ -21,7 +21,8 @@
#include <arpa/inet.h> #include <arpa/inet.h>
#endif #endif
EzSockets::EzSockets() { EzSockets::EzSockets()
{
MAXCON = 5; MAXCON = 5;
memset (&addr,0,sizeof(addr)); //Clear the sockaddr_in structure memset (&addr,0,sizeof(addr)); //Clear the sockaddr_in structure
@@ -38,23 +39,28 @@ EzSockets::EzSockets() {
state = skDISCONNECTED; state = skDISCONNECTED;
} }
EzSockets::~EzSockets() { EzSockets::~EzSockets()
{
close(); close();
delete scks; delete scks;
delete times; delete times;
} }
//Check to see if the socket has been created //Check to see if the socket has been created
bool EzSockets::check() { bool EzSockets::check()
return(sock>0); {
return sock > 0;
} }
bool EzSockets::create() { bool EzSockets::create()
{
return create(IPPROTO_TCP, SOCK_STREAM); return create(IPPROTO_TCP, SOCK_STREAM);
} }
bool EzSockets::create(int Protocol) { bool EzSockets::create(int Protocol)
switch(Protocol) { {
switch(Protocol)
{
case IPPROTO_TCP: case IPPROTO_TCP:
return create(IPPROTO_TCP, SOCK_STREAM); return create(IPPROTO_TCP, SOCK_STREAM);
case IPPROTO_UDP: case IPPROTO_UDP:
@@ -72,14 +78,16 @@ bool EzSockets::create(int Protocol) {
} }
} }
bool EzSockets::create(int Protocol, int Type) { bool EzSockets::create(int Protocol, int Type)
{
state = skDISCONNECTED; state = skDISCONNECTED;
sock = socket(AF_INET, Type, Protocol); sock = socket(AF_INET, Type, Protocol);
return(sock>0); return sock > 0;
} }
bool EzSockets::bind(unsigned short port) { bool EzSockets::bind(unsigned short port)
{
if(!check()) if(!check())
return false; return false;
@@ -87,33 +95,31 @@ bool EzSockets::bind(unsigned short port) {
addr.sin_addr.s_addr = htonl(INADDR_ANY); addr.sin_addr.s_addr = htonl(INADDR_ANY);
addr.sin_port = htons(port); addr.sin_port = htons(port);
return(::bind(sock,(struct sockaddr*)&addr, sizeof(addr))==0); return !::bind(sock,(struct sockaddr*)&addr, sizeof(addr));
} }
bool EzSockets::listen() { bool EzSockets::listen()
if(::listen(sock,MAXCON)!=0) {
if (::listen(sock, MAXCON))
return false; return false;
state = skLISTENING; state = skLISTENING;
return true; return true;
} }
/************************************************************************\ #if defined(WIN32) || defined(DARWIN)// glibc already has socklen_t defined
| To whomever edited this: |
| Please do not assume LINUX is defined if you're compiling on Linux! |
| It will not compile properly. |
\************************************************************************/
#if defined(WIN32) || defined(DARWIN) // glibc already has socklen_t defined
typedef int socklen_t; typedef int socklen_t;
#endif #endif
bool EzSockets::accept(EzSockets &socket) { bool EzSockets::accept(EzSockets& socket)
{
if (!blocking && !CanRead()) if (!blocking && !CanRead())
return false; return false;
int length = sizeof(socket); int length = sizeof(socket);
socket.sock = ::accept(sock,(struct sockaddr*) &socket.addr,(socklen_t*) &length); socket.sock = ::accept(sock,(struct sockaddr*) &socket.addr,
(socklen_t*) &length);
if(socket.sock<=0) if(socket.sock<=0)
return false; return false;
@@ -122,7 +128,8 @@ bool EzSockets::accept(EzSockets &socket) {
return true; return true;
} }
void EzSockets::close() { void EzSockets::close()
{
state = skDISCONNECTED; state = skDISCONNECTED;
inBuffer = ""; inBuffer = "";
outBuffer = ""; outBuffer = "";
@@ -134,12 +141,14 @@ void EzSockets::close() {
#endif #endif
} }
long EzSockets::uAddr() { long EzSockets::uAddr()
{
return addr.sin_addr.s_addr; return addr.sin_addr.s_addr;
} }
bool EzSockets::connect(const std::string& host,unsigned short port) { bool EzSockets::connect(const std::string& host,unsigned short port)
{
if(!check()) if(!check())
return false; return false;
@@ -152,55 +161,58 @@ bool EzSockets::connect(const std::string& host,unsigned short port) {
phe = gethostbyname(host.c_str()); phe = gethostbyname(host.c_str());
addr.sin_addr = *((LPIN_ADDR)* phe->h_addr_list); addr.sin_addr = *((LPIN_ADDR)* phe->h_addr_list);
#else #else
inet_pton(AF_INET,host.c_str(),&addr.sin_addr); inet_pton(AF_INET,host.c_str(), &addr.sin_addr);
#endif #endif
addr.sin_family = AF_INET; addr.sin_family = AF_INET;
addr.sin_port = htons(port); addr.sin_port = htons(port);
if(::connect(sock,(struct sockaddr*)&addr,sizeof(addr))!=0) if(::connect(sock, (struct sockaddr*)&addr, sizeof(addr)))
return false; return false;
state = skCONNECTED; state = skCONNECTED;
return true; return true;
} }
bool EzSockets::CanRead() { bool EzSockets::CanRead()
{
FD_ZERO(scks); FD_ZERO(scks);
FD_SET((unsigned)sock,scks); FD_SET((unsigned)sock, scks);
return(select(sock+1,scks,NULL,NULL,times)>0); return select(sock+1,scks,NULL,NULL,times) > 0;
} }
bool EzSockets::IsError() { bool EzSockets::IsError() {
if(state==skERROR) if (state == skERROR)
return true; return true;
FD_ZERO(scks); FD_ZERO(scks);
FD_SET((unsigned)sock,scks); FD_SET((unsigned)sock, scks);
if(select(sock+1, NULL, NULL, scks, times)>=0) if (select(sock+1, NULL, NULL, scks, times) >=0 )
return false; return false;
state=skERROR; state = skERROR;
return true; return true;
} }
bool EzSockets::CanWrite() { bool EzSockets::CanWrite()
{
FD_ZERO(scks); FD_ZERO(scks);
FD_SET((unsigned)sock,scks); FD_SET((unsigned)sock, scks);
return(select(sock+1,NULL,scks,NULL,times)>0); return select(sock+1, NULL, scks, NULL, times) > 0;
} }
void EzSockets::update() { void EzSockets::update()
if(IsError()) //If socket is in error, don't bother. {
if (IsError()) //If socket is in error, don't bother.
return; return;
while(CanRead() && !IsError()) //Check for Reading while (CanRead() && !IsError()) //Check for Reading
if(pUpdateRead()<1) if (pUpdateRead() < 1)
break; break;
if(CanWrite() && (outBuffer.length()>0)) if (CanWrite() && (outBuffer.length()>0))
pUpdateWrite(); pUpdateWrite();
} }
@@ -208,7 +220,8 @@ void EzSockets::update() {
/*********************\ /*********************\
| Raw Data System | | Raw Data System |
\*********************/ \*********************/
void EzSockets::SendData(string &outData) { void EzSockets::SendData(const string& outData)
{
outBuffer.append(outData); outBuffer.append(outData);
if(blocking) if(blocking)
while ((outBuffer.length()>0) && !IsError()) while ((outBuffer.length()>0) && !IsError())
@@ -217,8 +230,9 @@ void EzSockets::SendData(string &outData) {
update(); update();
} }
void EzSockets::SendData(const char* data,unsigned int bytes) { void EzSockets::SendData(const char *data, unsigned int bytes)
outBuffer.append(data,bytes); {
outBuffer.append(data, bytes);
if(blocking) if(blocking)
while ((outBuffer.length()>0) && !IsError()) while ((outBuffer.length()>0) && !IsError())
pUpdateWrite(); pUpdateWrite();
@@ -226,13 +240,15 @@ void EzSockets::SendData(const char* data,unsigned int bytes) {
update(); update();
} }
int EzSockets::ReadData(char* data,unsigned int bytes) { int EzSockets::ReadData(char *data, unsigned int bytes)
{
int bytesRead = PeekData(data,bytes); int bytesRead = PeekData(data,bytes);
inBuffer = inBuffer.substr(bytesRead); inBuffer = inBuffer.substr(bytesRead);
return bytesRead; return bytesRead;
} }
int EzSockets::PeekData(char* data,unsigned int bytes) { int EzSockets::PeekData(char *data, unsigned int bytes)
{
if(blocking) if(blocking)
while ((inBuffer.length()<bytes) && !IsError()) while ((inBuffer.length()<bytes) && !IsError())
pUpdateRead(); pUpdateRead();
@@ -242,9 +258,9 @@ int EzSockets::PeekData(char* data,unsigned int bytes) {
break; break;
int bytesRead = bytes; int bytesRead = bytes;
if(inBuffer.length()<bytes) if (inBuffer.length()<bytes)
bytesRead = inBuffer.length(); bytesRead = inBuffer.length();
memcpy(data,inBuffer.c_str(),bytesRead); memcpy(data,inBuffer.c_str(), bytesRead);
return bytesRead; return bytesRead;
} }
@@ -253,57 +269,60 @@ int EzSockets::PeekData(char* data,unsigned int bytes) {
/**********************************\ /**********************************\
| Packet/Structure Data System | | Packet/Structure Data System |
\**********************************/ \**********************************/
void EzSockets::SendPack(char* data,unsigned int bytes) { void EzSockets::SendPack(const char *data, unsigned int bytes)
{
unsigned int SendSize = htonl(bytes); unsigned int SendSize = htonl(bytes);
SendData((char*)&SendSize,sizeof(int)); SendData((const char *)&SendSize, sizeof(int));
SendData(data,bytes); SendData(data, bytes);
} }
int EzSockets::ReadPack(char* data,unsigned int max) { int EzSockets::ReadPack(char *data, unsigned int max)
int size = PeekPack(data,max); {
int size = PeekPack(data, max);
if(size!=-1) if (size != -1)
inBuffer=inBuffer.substr(size+4); inBuffer = inBuffer.substr(size+4);
return size; return size;
} }
int EzSockets::PeekPack(char* data,unsigned int max) { int EzSockets::PeekPack(char *data, unsigned int max)
if(CanRead()) {
if (CanRead())
pUpdateRead(); pUpdateRead();
if(blocking) { if (blocking)
while((inBuffer.length()<4) && !IsError()) { {
while ((inBuffer.length()<4) && !IsError())
pUpdateRead(); pUpdateRead();
}
if(IsError()) if (IsError())
return -1; return -1;
} }
if(inBuffer.length()<4) if (inBuffer.length()<4)
return -1; return -1;
unsigned int size=0; unsigned int size;
PeekData((char*)&size,4); PeekData((char*)&size, 4);
size=ntohl(size); size = ntohl(size);
if(blocking) if (blocking)
while ((inBuffer.length()<(size+4)) && !IsError()) while (inBuffer.length()<(size+4) && !IsError())
pUpdateRead(); pUpdateRead();
else else
if((inBuffer.length()<(size+4)) || (inBuffer.length()<=4)) if (inBuffer.length()<(size+4) || inBuffer.length()<=4)
return -1; return -1;
if (IsError()) if (IsError())
return -1; return -1;
//What if we get disconnected while waiting for data? //What if we get disconnected while waiting for data?
string tBuff(inBuffer.substr(4,size)); string tBuff(inBuffer.substr(4, size));
if(tBuff.length()>max) if (tBuff.length() > max)
tBuff.substr(0,max); tBuff.substr(0, max);
memcpy (data,tBuff.c_str(),tBuff.length()); memcpy (data, tBuff.c_str(),tBuff.length());
return size; return size;
} }
@@ -311,32 +330,37 @@ int EzSockets::PeekPack(char* data,unsigned int max) {
/*****************************************\ /*****************************************\
| Null Terminating String Data System | | Null Terminating String Data System |
\*****************************************/ \*****************************************/
void EzSockets::SendStr(string& data, char delim) { void EzSockets::SendStr(const string& data, char delim)
{
char tDr[1]; char tDr[1];
tDr[0] = delim; tDr[0] = delim;
SendData(data.c_str(),data.length()); SendData(data.c_str(), data.length());
SendData(tDr,1); SendData(tDr, 1);
} }
int EzSockets::ReadStr(string& data, char delim) { int EzSockets::ReadStr(string& data, char delim)
int t = PeekStr(data,delim); {
if(t>=0) int t = PeekStr(data, delim);
if (t >= 0)
inBuffer = inBuffer.substr(t+1); inBuffer = inBuffer.substr(t+1);
return t; return t;
} }
int EzSockets::PeekStr(string& data, char delim) { int EzSockets::PeekStr(string& data, char delim)
{
int t = inBuffer.find(delim,0); int t = inBuffer.find(delim,0);
if(blocking) { if (blocking)
while ((t==-1) && !IsError()) { {
while (t == -1 && !IsError())
{
pUpdateRead(); pUpdateRead();
t = inBuffer.find(delim,0); t = inBuffer.find(delim, 0);
} }
data = inBuffer.substr(0,t); data = inBuffer.substr(0, t);
} }
if(t>=0) if(t >= 0)
data = inBuffer.substr(0,t); data = inBuffer.substr(0, t);
return t; return t;
} }
@@ -344,14 +368,16 @@ int EzSockets::PeekStr(string& data, char delim) {
/************************\ /************************\
| Stream Data System | | Stream Data System |
\************************/ \************************/
istream& operator >>(istream &is,EzSockets &obj) { istream& operator>>(istream &is, EzSockets& obj)
{
string writeString; string writeString;
obj.SendStr(writeString); obj.SendStr(writeString);
is >> writeString; is >> writeString;
return is; return is;
} }
ostream& operator <<(ostream &os, EzSockets &obj) { ostream& operator<<(ostream &os, EzSockets &obj)
{
string readString; string readString;
obj.ReadStr(readString); obj.ReadStr(readString);
os << readString; os << readString;
@@ -362,13 +388,14 @@ ostream& operator <<(ostream &os, EzSockets &obj) {
/**************************\ /**************************\
| Internal Data System | | Internal Data System |
\**************************/ \**************************/
int EzSockets::pUpdateRead() { int EzSockets::pUpdateRead()
{
char tempData[1024]; char tempData[1024];
int bytes = pReadData(tempData); int bytes = pReadData(tempData);
if(bytes>0) if (bytes > 0)
inBuffer.append(tempData,bytes); inBuffer.append(tempData, bytes);
else if(bytes<=0) else if (bytes <= 0)
/* To get her I think CanRead was called at least once. /* To get her I think CanRead was called at least once.
So if length equals 0 and can read says there is data than So if length equals 0 and can read says there is data than
the socket was closed.*/ the socket was closed.*/
@@ -376,28 +403,31 @@ int EzSockets::pUpdateRead() {
return bytes; return bytes;
} }
int EzSockets::pUpdateWrite() { int EzSockets::pUpdateWrite()
int bytes = pWriteData(outBuffer.c_str(),outBuffer.length()); {
int bytes = pWriteData(outBuffer.c_str(), outBuffer.length());
if (bytes>0) if (bytes > 0)
outBuffer = outBuffer.substr(bytes); outBuffer = outBuffer.substr(bytes);
else if(bytes<0) else if (bytes < 0)
state = skERROR; state = skERROR;
return bytes; return bytes;
} }
int EzSockets::pReadData(char* data) { int EzSockets::pReadData(char* data)
if((state == skCONNECTED)||(state == skLISTENING)) {
return recv(sock,data,1024,0); if(state == skCONNECTED || state == skLISTENING)
else { return recv(sock, data, 1024, 0);
fromAddr_len = sizeof(sockaddr_in); fromAddr_len = sizeof(sockaddr_in);
return recvfrom(sock,data,1024,0,(sockaddr*)&fromAddr,(socklen_t*)&fromAddr_len); return recvfrom(sock, data, 1024, 0, (sockaddr*)&fromAddr,
} (socklen_t*)&fromAddr_len);
} }
int EzSockets::pWriteData(const char* data,int dataSize) { int EzSockets::pWriteData(const char* data, int dataSize)
return send(sock,data,dataSize,0); {
return send(sock, data, dataSize, 0);
} }
/* /*
+18 -16
View File
@@ -30,7 +30,8 @@
using namespace std; using namespace std;
class EzSockets { class EzSockets
{
public: public:
EzSockets(); EzSockets();
@@ -51,7 +52,7 @@ public:
bool accept(EzSockets &socket); bool accept(EzSockets &socket);
//Connect //Connect
bool connect(const std::string& host, unsigned short port); bool connect(const string& host, unsigned short port);
//Kill socket //Kill socket
void close(); void close();
@@ -68,30 +69,31 @@ public:
void update(); void update();
//Raw data system //Raw data system
void SendData(string & outData); void SendData(const string& outData);
void SendData(const char *data, unsigned int bytes); void SendData(const char *data, unsigned int bytes);
int ReadData(char *data, unsigned int bytes); int ReadData(char *data, unsigned int bytes);
int PeekData(char *data, unsigned int bytes); int PeekData(char *data, unsigned int bytes);
//Packet system (for structures and classes) //Packet system (for structures and classes)
void SendPack(char * data, unsigned int bytes); void SendPack(const char *data, unsigned int bytes);
int ReadPack(char * data, unsigned int max); int ReadPack(char *data, unsigned int max);
int PeekPack(char * data, unsigned int max); int PeekPack(char *data, unsigned int max);
//String (Flash) system / Null-terminated strings //String (Flash) system / Null-terminated strings
void SendStr(string & data, char delim = '\0'); void SendStr(const string& data, char delim = '\0');
int ReadStr(string & data, char delim = '\0'); int ReadStr(string& data, char delim = '\0');
int PeekStr(string & data, char delim = '\0'); int PeekStr(string& data, char delim = '\0');
//Operators //Operators
char operator[] (int i); //Access buffer char operator[] (int i); //Access buffer
friend istream& operator >>(istream &is,EzSockets &obj); friend istream& operator>>(istream& is, EzSockets& obj);
friend ostream& operator <<(ostream &os,const EzSockets &obj); friend ostream& operator<<(ostream& os, const EzSockets& obj);
bool blocking; bool blocking;
enum SockState { enum SockState
{
skDISCONNECTED = 0, skDISCONNECTED = 0,
skUNDEF1, //Not implemented skUNDEF1, //Not implemented
skLISTENING, skLISTENING,
@@ -130,14 +132,14 @@ private:
//Used for Select() command //Used for Select() command
fd_set * scks; fd_set *scks;
timeval * times; timeval *times;
//Buffers //Buffers
}; };
istream& operator >>(istream &is,EzSockets &obj); istream& operator>>(istream& is, EzSockets& obj);
ostream& operator <<(ostream &os,EzSockets &obj); ostream& operator<<(ostream& os, EzSockets& obj);
#endif #endif