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/*
Copyright (C) 2003 Ferdi Franceschini <ferdif@optusnet.com.au>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*! \file
* Access functions for ~/.dillo/dpi_socket_dir.
* The most useful function for dillo is a_Dpi_srs, it returns
* the full path to the dpid service request socket.
*/
#include <errno.h>
#include "dpid_common.h"
#include "dpi.h"
#include "misc_new.h"
/*! \Return
* Returns path to the dpi_socket_dir file
* Use dFree to free memory
*/
char *a_Dpi_sockdir_file(void)
{
char *dpi_socket_dir, *dirfile_path = "/.dillo/dpi_socket_dir";
dpi_socket_dir = dStrconcat(dGethomedir(), dirfile_path, NULL);
return dpi_socket_dir;
}
/*! Read socket directory path from ~/.dillo/dpi_socket_dir
* \Return
* socket directory path or NULL if the dpi_socket_dir file does not exist.
* \Note
* This function exits if ~/.dillo does not exist or
* if the dpi_socket_dir file cannot be opened for a
* reason other than it does not exist.
*/
char *a_Dpi_rd_dpi_socket_dir(char *dirname)
{
FILE *dir;
char *sockdir = NULL, *rcpath;
rcpath = dStrconcat(dGethomedir(), "/.dillo", NULL);
/* If .dillo does not exist it is an unrecoverable error */
if (access(rcpath, F_OK) == -1) {
ERRMSG("a_Dpi_rd_dpi_socket_dir", "access", errno);
MSG_ERR(" - %s\n", rcpath);
exit(1);
}
dFree(rcpath);
if ((dir = fopen(dirname, "r")) != NULL) {
sockdir = dGetline(dir);
fclose(dir);
} else if (errno == ENOENT) {
ERRMSG("a_Dpi_rd_dpi_socket_dir", "fopen", errno);
MSG_ERR(" - %s\n", dirname);
} else if (errno != ENOENT) {
ERRMSG("a_Dpi_rd_dpi_socket_dir", "fopen", errno);
MSG_ERR(" - %s\n", dirname);
exit(1);
}
return sockdir;
}
/*!
* \Modifies
* srs_name
* \Return
* The service request socket name with its complete path.
*/
char *a_Dpi_srs(void)
{
char *dirfile_path, *sockdir, *srs_name;
dirfile_path = a_Dpi_sockdir_file();
sockdir = dStrstrip(a_Dpi_rd_dpi_socket_dir(dirfile_path));
srs_name = dStrconcat(sockdir, "/", "dpid.srs", NULL);
dFree(sockdir);
dFree(dirfile_path);
return (srs_name);
}
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