Diff: pop3.cpp

Revision:

2:3893c1aaee8d

Parent:

1:f2b05d1c91be

Child:

3:37570217ae90

--- a/pop3.cpp	Tue Jan 11 21:35:35 2011 +0000
+++ b/pop3.cpp	Sat Jan 29 23:27:26 2011 +0000
@@ -20,45 +20,17 @@
     _username=username;
     _password=password;
     _servername=servername;
-
-    _readpos=0;
-    _readlen=0;
-
+    
     _closed=false;
 
-    _socket.setOnEvent(this,&Pop3::onTCPSocketEvent);
+    _stream=new TCPLineStream(servername,110,"\r\n");
+
 }
 
 Pop3::~Pop3() {
     close();
 }
 
-void Pop3::onTCPSocketEvent(TCPSocketEvent e) {
-//    printf("New TCPSocketEvent: %d\n",e);
-    switch (e) {
-        case TCPSOCKET_CONNECTED:
-            _connected = true;
-            _connecting=false;
-            break;
-
-        case TCPSOCKET_READABLE:
-            break;
-        case TCPSOCKET_WRITEABLE:
-            break;
-
-        case TCPSOCKET_CONTIMEOUT:
-        case TCPSOCKET_CONRST:
-        case TCPSOCKET_CONABRT:
-        case TCPSOCKET_ERROR:
-        case TCPSOCKET_DISCONNECTED: {
-            _socket.close();
-            _connected = false;
-            _connecting=false;
-        }
-        break;
-    }
-}
-
 list<string> *Pop3::getMessages() {
     Pop3CommandResponse* pcr=sendCommandMultiResponse("LIST");
     if (!pcr->success) {
@@ -123,27 +95,17 @@
 
 Pop3CommandResponse* Pop3::sendCommand(string cmd) {
 //    printf("send [%s]\n",cmd.c_str());
-    if (!_connected) {
-        printf("not connected\n");
-        return NULL;
-    }
-    int err=_socket.send(cmd.append("\r\n").c_str(),cmd.length()+2);
-    Net::poll();
-    string r=readResponseLine();
+    _stream->sendLine(cmd);
+    string r=_stream->readLine();
     return new Pop3CommandResponse(r);
 }
 
 Pop3CommandResponse* Pop3::sendCommandMultiResponse(string cmd) {
     // first, send command
 //    printf("send [%s]\n",cmd.c_str());
-    if (!_connected) {
-        printf("not connected\n");
-        return NULL;
-    }
-    int err=_socket.send(cmd.append("\r\n").c_str(),cmd.length()+2);
-    Net::poll();
+    _stream->sendLine(cmd);
     // read first response line -> contains status
-    string r=readResponseLine();
+    string r=_stream->readLine();
 //    printf("response=[%s]\n",r.c_str());
     // create response object to collect remaining lines
     Pop3CommandResponse *pcr=new Pop3CommandResponse(r);
@@ -151,7 +113,7 @@
         return pcr;
     // read other lines, stop when marker reached
     while (true) {
-        r=readResponseLine();
+        r=_stream->readLine();
         if (pcr->addLine(r))
             break;
     }
@@ -159,48 +121,11 @@
 }
 
 bool Pop3::init() {
-    // retrieve IP address for hostname
-    DNSResolver *dnsr=new DNSResolver();
-    IpAddr addr=dnsr->resolveName(_servername);
-    delete dnsr;
-
-    if (addr.isNull()) {
-        printf("cannot resolve server name %s\n",_servername);
-        return false;
-    }
-
-//    printf("server ip=%i.%i.%i.%i\n",addr[0],addr[1],addr[2],addr[3]);
-
-    _connecting=true;
-
-    // create tcp socket to server
-    Host host(addr, 110);
-
-    TCPSocketErr bindErr = _socket.connect(host);
-
-    if (bindErr != 0) {
-        printf("connection error %i\n", bindErr);
-        return false;
-    }
-
-    // wait for connection established
-    Timer tmr;
-    tmr.start();
-
-    while (_connecting) {
-        Net::poll();
-        wait(0.1);
-        if (tmr.read()>10)
-            break;
-    }
-
-    if (!_connected) {
-        printf("error - could not connect (timeout)\n");
-        return false;
-    }
+    if (!_stream->open())
+        return NULL;
 
     // read server banner
-    string banner=readResponseLine();
+    string banner=_stream->readLine();
 //    printf("banner=[%s]\n",banner.c_str());
 
     Pop3CommandResponse pcr(banner);
@@ -239,65 +164,15 @@
     Pop3CommandResponse *pcr=sendCommand("CLOSE");
     delete pcr;
 
-    while (_connected) {
-        Net::poll();
-        // read remaining data
-        int err=_socket.recv(_readbuf,BUFSIZE-1);
-        if (err<=0)
-            break;
+    if (NULL!=_stream) {
+        _stream->close();
+        delete _stream;
+        _stream=NULL;
     }
 
-    _socket.resetOnEvent();
-    _socket.close();
-
     _closed=true;
 }
 
-string Pop3::readResponseLine() {
-    string r;
-    bool got_r=false;
-
-    if (!_connected)
-        return r;
-
-    while (true) {
-        Net::poll();
-        if (_readlen>_readpos) {
-            while (_readbuf[_readpos]!=0 && _readpos<_readlen) {
-                char c=_readbuf[_readpos++];
-                if (!got_r) {
-                    if (c=='\r') {
-                        got_r=true;
-                    } else {
-                        r.push_back(c);
-                    }
-                } else {
-                    if (c=='\n') {
-                        return r;
-                    } else {
-                        r.push_back('\r'); // push missed \r also, so push it to string
-                        r.push_back(c);
-                        got_r=false;
-                    }
-                }
-            }
-        } else {
-            int err=_socket.recv(_readbuf,BUFSIZE-1);
-            if (err < 0) {
-                printf("error while receiving data: %i!\n",err);
-            } else if (err>0) {
-                _readbuf[err]=0;
-                _readlen=err;
-                _readpos=0;
-            }
-        }
-        wait(0.1);
-        if (_connected==false) {
-            return r;
-        }
-    }
-}
-
 Pop3CommandResponse::Pop3CommandResponse(string line) {
     if (0==line.find("+OK")) {
         success=true;