* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
+ * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
* E-mail:
* <brain@chatspike.net>
* <Craig@chatspike.net>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
#include <string>
#include <unistd.h>
+#include <fcntl.h>
+#include <poll.h>
#include <sstream>
#include <iostream>
#include <fstream>
#include "socket.h"
#include "inspircd.h"
#include "inspircd_io.h"
-#include "inspircd_util.h"
#include "inspstring.h"
#include "helperfuncs.h"
+#include "socketengine.h"
-extern FILE *log_file;
-extern int boundPortCount;
-extern int openSockfd[MAXSOCKS];
+
+extern InspIRCd* ServerInstance;
extern time_t TIME;
-extern bool unlimitcore;
-extern int MaxConn;
+
+InspSocket* socket_ref[MAX_DESCRIPTORS];
InspSocket::InspSocket()
{
this->state = I_DISCONNECTED;
}
-InspSocket::InspSocket(std::string host, int port, bool listening)
+InspSocket::InspSocket(int newfd, char* ip)
+{
+ this->fd = newfd;
+ this->state = I_CONNECTED;
+ this->IP = ip;
+ ServerInstance->SE->AddFd(this->fd,true,X_ESTAB_MODULE);
+ socket_ref[this->fd] = this;
+}
+
+InspSocket::InspSocket(std::string host, int port, bool listening, unsigned long maxtime)
+{
+ if (listening) {
+ if ((this->fd = OpenTCPSocket()) == ERROR)
+ {
+ this->fd = -1;
+ this->state = I_ERROR;
+ this->OnError(I_ERR_SOCKET);
+ log(DEBUG,"OpenTCPSocket() error");
+ return;
+ }
+ else
+ {
+ if (BindSocket(this->fd,this->client,this->server,port,(char*)host.c_str()) == ERROR)
+ {
+ this->Close();
+ this->fd = -1;
+ this->state = I_ERROR;
+ this->OnError(I_ERR_BIND);
+ log(DEBUG,"BindSocket() error %s",strerror(errno));
+ return;
+ }
+ else
+ {
+ this->state = I_LISTENING;
+ ServerInstance->SE->AddFd(this->fd,true,X_ESTAB_MODULE);
+ socket_ref[this->fd] = this;
+ log(DEBUG,"New socket now in I_LISTENING state");
+ return;
+ }
+ }
+ } else {
+ char* ip;
+ this->host = host;
+ hostent* hoste = gethostbyname(host.c_str());
+ if (!hoste) {
+ ip = (char*)host.c_str();
+ } else {
+ struct in_addr* ia = (in_addr*)hoste->h_addr;
+ ip = inet_ntoa(*ia);
+ }
+
+ this->IP = ip;
+
+ timeout_end = time(NULL)+maxtime;
+ timeout = false;
+ if ((this->fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
+ {
+ this->state = I_ERROR;
+ this->OnError(I_ERR_SOCKET);
+ return;
+ }
+ this->port = port;
+ inet_aton(ip,&addy);
+ addr.sin_family = AF_INET;
+ addr.sin_addr = addy;
+ addr.sin_port = htons(this->port);
+
+ int flags;
+ flags = fcntl(this->fd, F_GETFL, 0);
+ fcntl(this->fd, F_SETFL, flags | O_NONBLOCK);
+
+ if(connect(this->fd, (sockaddr*)&this->addr,sizeof(this->addr)) == -1)
+ {
+ if (errno != EINPROGRESS)
+ {
+ this->Close();
+ this->OnError(I_ERR_CONNECT);
+ this->state = I_ERROR;
+ return;
+ }
+ }
+ this->state = I_CONNECTING;
+ ServerInstance->SE->AddFd(this->fd,false,X_ESTAB_MODULE);
+ socket_ref[this->fd] = this;
+ return;
+ }
+}
+
+void InspSocket::Close()
+{
+ if (this->fd != -1)
+ {
+ this->OnClose();
+ shutdown(this->fd,2);
+ close(this->fd);
+ socket_ref[this->fd] = NULL;
+ this->fd = -1;
+ }
+}
+
+std::string InspSocket::GetIP()
+{
+ return this->IP;
+}
+
+char* InspSocket::Read()
+{
+ int n = recv(this->fd,this->ibuf,sizeof(this->ibuf),0);
+ if (n > 0)
+ {
+ ibuf[n] = 0;
+ return ibuf;
+ }
+ else
+ {
+ if (n == EAGAIN)
+ {
+ return "";
+ }
+ else
+ {
+ log(DEBUG,"EOF or error on socket");
+ return NULL;
+ }
+ }
+}
+
+// There are two possible outcomes to this function.
+// It will either write all of the data, or an undefined amount.
+// If an undefined amount is written the connection has failed
+// and should be aborted.
+int InspSocket::Write(std::string data)
+{
+ this->Buffer = this->Buffer + data;
+ this->FlushWriteBuffer();
+ return data.length();
+}
+
+void InspSocket::FlushWriteBuffer()
+{
+ int result = 0;
+ if (this->Buffer.length())
+ {
+ result = send(this->fd,this->Buffer.c_str(),this->Buffer.length(),0);
+ if (result > 0)
+ {
+ /* If we wrote some, advance the buffer forwards */
+ char* n = (char*)this->Buffer.c_str();
+ n += result;
+ this->Buffer = n;
+ }
+ }
+}
+
+bool InspSocket::Timeout(time_t current)
+{
+ if ((this->state == I_CONNECTING) && (current > timeout_end))
+ {
+ // for non-listening sockets, the timeout can occur
+ // which causes termination of the connection after
+ // the given number of seconds without a successful
+ // connection.
+ this->OnTimeout();
+ this->OnError(I_ERR_TIMEOUT);
+ timeout = true;
+ this->state = I_ERROR;
+ return true;
+ }
+ if (this->Buffer.length())
+ this->FlushWriteBuffer();
+ return false;
+}
+
+bool InspSocket::Poll()
+{
+ int incoming = -1;
+
+ switch (this->state)
+ {
+ case I_CONNECTING:
+ this->SetState(I_CONNECTED);
+ /* Our socket was in write-state, so delete it and re-add it
+ * in read-state.
+ */
+ ServerInstance->SE->DelFd(this->fd);
+ ServerInstance->SE->AddFd(this->fd,true,X_ESTAB_MODULE);
+ return this->OnConnected();
+ break;
+ case I_LISTENING:
+ length = sizeof (client);
+ incoming = accept (this->fd, (sockaddr*)&client,&length);
+ this->OnIncomingConnection(incoming,inet_ntoa(client.sin_addr));
+ return true;
+ break;
+ case I_CONNECTED:
+ return this->OnDataReady();
+ break;
+ default:
+ break;
+ }
+
+ if (this->Buffer.length())
+ this->FlushWriteBuffer();
+
+ return true;
+}
+
+void InspSocket::SetState(InspSocketState s)
+{
+ log(DEBUG,"Socket state change");
+ this->state = s;
+}
+
+InspSocketState InspSocket::GetState()
{
+ return this->state;
}
-void InspSocket::Poll()
+int InspSocket::GetFd()
{
+ return this->fd;
}
-int InspSocket::OnConnected() { }
-int InspSocket::OnError() { }
-int InspSocket::OnDisconnect() { }
-int InspSocket::OnIncomingConnection() { }
+bool InspSocket::OnConnected() { return true; }
+void InspSocket::OnError(InspSocketError e) { return; }
+int InspSocket::OnDisconnect() { return 0; }
+int InspSocket::OnIncomingConnection(int newfd, char* ip) { return 0; }
+bool InspSocket::OnDataReady() { return true; }
+void InspSocket::OnTimeout() { return; }
+void InspSocket::OnClose() { return; }
InspSocket::~InspSocket()
{
+ this->Close();
}
-/*
-int BindSocket (int sockfd, struct sockaddr_in client, struct sockaddr_in server, int port, char* addr)
-int OpenTCPSocket (void)
-*/
projects / user / henk / code / inspircd.git / blobdiff