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/*
** Copyright 2003, Double Precision Inc.
**
** See COPYING for distribution information.
*/
#include "nntppost.H"
#include <stdio.h>
#include <sys/stat.h>
#include <errno.h>
#include <cstring>
using namespace std;
mail::nntp::PostTask::PostTask(callback *callbackArg, nntp &myserverArg,
FILE *msgArg)
: LoggedInTask(callbackArg, myserverArg), msg(msgArg),
myPumper(NULL)
{
}
mail::nntp::PostTask::~PostTask()
{
if (myPumper)
{
myPumper->writebuffer += "\r\n.\r\n";
myPumper->me=NULL;
}
if (msg)
fclose(msg);
}
void mail::nntp::PostTask::loggedIn()
{
struct stat stat_buf;
if (fseek(msg, 0L, SEEK_SET) < 0 || fstat(fileno(msg), &stat_buf) < 0)
{
fail(strerror(errno));
return;
}
tot_count=stat_buf.st_size;
byte_count=0;
response_func= &mail::nntp::PostTask::doPostStatus;
myserver->socketWrite("POST\r\n");
}
void mail::nntp::PostTask::processLine(const char *message)
{
(this->*response_func)(message);
}
mail::nntp::PostTask::pump::pump(PostTask *p) : newLine(true), me(p)
{
}
mail::nntp::PostTask::pump::~pump()
{
if (me)
me->myPumper=NULL;
}
bool mail::nntp::PostTask::pump::fillWriteBuffer()
{
if (!me)
return false;
char buffer[BUFSIZ];
int n=fread(buffer, 1, sizeof(buffer), me->msg);
if (n <= 0)
{
if (!newLine)
writebuffer += "\r\n";
writebuffer += ".\r\n";
me->myPumper=NULL;
me=NULL;
return true;
}
// Copy the read chunk into the writebuffer, convert NLs to CRNLs,
// and dot-stuffing.
char *b=buffer, *e=b + n, *c=b;
while (b != e)
{
if (newLine && *b == '.') // Leading dot, double it.
{
writebuffer.insert(writebuffer.end(), c, b+1);
c=b; // Net effect is the dot doubled.
}
if ((newLine= *b == '\n') != 0)
{
if (c != b)
writebuffer.insert(writebuffer.end(), c, b);
writebuffer += "\r";
c=b;
}
b++;
}
if (c != b)
writebuffer.insert(writebuffer.end(), c, b);
me->byte_count += n;
if (me->tot_count < me->byte_count)
me->tot_count=me->byte_count;
me->callbackPtr->reportProgress(me->byte_count, me->tot_count, 0, 1);
return true;
}
void mail::nntp::PostTask::doPostStatus(const char *resp)
{
if (resp[0] != '3')
{
fail(resp);
return;
}
response_func= &mail::nntp::PostTask::doPost;
pump *p=new pump(this);
if (p)
try {
myserver->socketWrite(p);
myPumper=p;
return;
} catch (...) {
delete p;
}
myserver->socketWrite(".\r\n");
}
void mail::nntp::PostTask::doPost(const char *msg)
{
if (myPumper)
{
myPumper->writebuffer += "\r\n.\r\n";
myPumper->me=NULL;
}
myPumper=NULL;
switch (msg[0]) {
case '2':
case '1':
success(msg);
break;
default:
fail(msg);
}
}
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