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/*******************************************************************************
* libproxy - A library for proxy configuration
* Copyright (C) 2006 Nathaniel McCallum <nathaniel@natemccallum.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
******************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <unistd.h>
#include <string.h>
// Import libproxy API
#include <proxy.h>
#define STDIN fileno(stdin)
/**
* Reads a single line of text from the specified file descriptor
* @fd File descriptor to read from
* @return Newly allocated string containing one line only
*/
static char *
readline(int fd)
{
// Verify we have an open socket
if (fd < 0) return NULL;
// For each character received add it to the buffer unless it is a newline
char *buffer = NULL;
for (int i=1; i > 0 ; i++)
{
char c;
// Receive a single character, check for newline or EOF
if (read(fd, &c, 1) != 1) return buffer;
if (c == '\n') return buffer ? buffer : strdup("");
// Allocate new buffer if we need
if (i % 1024 == 1)
{
char *tmp = buffer;
buffer = malloc(1024 * i + 1);
assert(buffer != NULL);
if (tmp) { strcpy(buffer, tmp); free(tmp); }
}
// Add new character
buffer[i-1] = c;
}
return buffer;
}
int
main(int argc, char **argv)
{
// Create the proxy factory object
pxProxyFactory *pf = px_proxy_factory_new();
if (!pf)
{
fprintf(stderr, "An unknown error occurred!\n");
return 1;
}
// For each URL we read on STDIN, get the proxies to use
for (char *url = NULL ; url = readline(STDIN) ; free(url))
{
// Get an array of proxies to use. These should be used
// in the order returned. Only move on to the next proxy
// if the first one fails (etc).
char **proxies = px_proxy_factory_get_proxies(pf, url);
for (int i = 0 ; proxies[i] ; i++)
{
printf(proxies[i]);
if (proxies[i+1])
printf(" ");
else
printf("\n");
free(proxies[i]);
}
free(proxies);
}
// Destantiate the proxy factory object
px_proxy_factory_free(pf);
return 0;
}
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