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/* $Id$ */
/*
* Copyright (C) 2003-2006 Benny Prijono <benny@prijono.org>
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <pjsip/sip_errno.h>
#include <pjsip/sip_msg.h>
#include <pj/string.h>
#include <pj/errno.h>
/* PJSIP's own error codes/messages
* MUST KEEP THIS ARRAY SORTED!!
*/
static const struct
{
int code;
const char *msg;
} err_str[] =
{
/* Generic SIP errors */
{ PJSIP_EBUSY, "Object is busy" },
{ PJSIP_ETYPEEXISTS , "Object with the same type exists" },
{ PJSIP_ESHUTDOWN, "SIP stack shutting down" },
/* Messaging errors */
{ PJSIP_EINVALIDMSG, "Invalid message/syntax error" },
{ PJSIP_EINVALIDSCHEME, "Invalid URI scheme" },
{ PJSIP_EMSGTOOLONG, "Message too long" },
{ PJSIP_EPARTIALMSG, "Partial message" },
{ PJSIP_EMISSINGREQURI, "Missing Request-URI" },
{ PJSIP_EMISSINGHDR, "Missing required header(s)" },
{ PJSIP_EMISSINGBODY, "Missing message body" },
{ PJSIP_EINVALIDVIA, "Invalid Via header" },
{ PJSIP_EMULTIPLEVIA, "Multiple Via headers in response" },
{ PJSIP_EINVALIDREQURI, "Invalid Request URI" },
{ PJSIP_ENOTREQUESTMSG, "Expecting request message"},
{ PJSIP_ENOTRESPONSEMSG, "Expecting response message"},
{ PJSIP_EINVALIDHDR, "Invalid header field"},
/* Transport errors */
{ PJSIP_EUNSUPTRANSPORT, "Unsupported transport"},
{ PJSIP_EPENDINGTX, "Transmit buffer already pending"},
{ PJSIP_ERXOVERFLOW, "Rx buffer overflow"},
{ PJSIP_EBUFDESTROYED, "Buffer destroyed"},
/* Transaction errors */
{ PJSIP_ETSXDESTROYED, "Transaction has been destroyed"},
};
/*
* pjsip_strerror()
*/
PJ_DEF(pj_str_t) pjsip_strerror( pj_status_t statcode,
char *buf, pj_size_t bufsize )
{
pj_str_t errstr;
if (statcode >= PJSIP_ERRNO_START && statcode < PJSIP_ERRNO_START+800)
{
/* Status code. */
const pj_str_t *status_text =
pjsip_get_status_text(PJSIP_ERRNO_TO_SIP_STATUS(statcode));
errstr.ptr = buf;
pj_strncpy_with_null(&errstr, status_text, bufsize);
return errstr;
}
else if (statcode >= PJSIP_ERRNO_START_PJSIP &&
statcode < PJSIP_ERRNO_START_PJSIP + 1000)
{
/* Find the error in the table.
* Use binary search!
*/
int first = 0;
int n = PJ_ARRAY_SIZE(err_str);
while (n > 0) {
int half = n/2;
int mid = first + half;
if (err_str[mid].code < statcode) {
first = mid+1;
n -= (half+1);
} else if (err_str[mid].code > statcode) {
n = half;
} else {
first = mid;
break;
}
}
if (PJ_ARRAY_SIZE(err_str) && err_str[first].code == statcode) {
pj_str_t msg;
msg.ptr = (char*)err_str[first].msg;
msg.slen = pj_native_strlen(err_str[first].msg);
errstr.ptr = buf;
pj_strncpy_with_null(&errstr, &msg, bufsize);
return errstr;
} else {
/* Error not found. */
errstr.ptr = buf;
errstr.slen = pj_snprintf(buf, bufsize,
"Unknown error %d",
statcode);
return errstr;
}
}
else {
/* Not our code. Give it to PJLIB. */
return pj_strerror(statcode, buf, bufsize);
}
}
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