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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 <pjmedia/errno.h>
#include <pj/string.h>
/* PJMEDIA's own error codes/messages
* MUST KEEP THIS ARRAY SORTED!!
* Message must be limited to 64 chars!
*/
static const struct
{
int code;
const char *msg;
} err_str[] =
{
/* Generic PJMEDIA errors, shouldn't be used! */
{ PJMEDIA_ERROR, "Unspecified PJMEDIA error" },
/* SDP error. */
{ PJMEDIA_SDP_EINSDP, "Invalid SDP descriptor" },
{ PJMEDIA_SDP_EINVER, "Invalid SDP version line" },
{ PJMEDIA_SDP_EINORIGIN, "Invalid SDP origin line" },
{ PJMEDIA_SDP_EINTIME, "Invalid SDP time line"},
{ PJMEDIA_SDP_EINNAME, "SDP name/subject line is empty"},
{ PJMEDIA_SDP_EINCONN, "Invalid SDP connection line"},
{ PJMEDIA_SDP_EMISSINGCONN, "Missing SDP connection info line"},
{ PJMEDIA_SDP_EINATTR, "Invalid SDP attributes"},
{ PJMEDIA_SDP_EINRTPMAP, "Invalid SDP rtpmap attribute"},
{ PJMEDIA_SDP_ERTPMAPTOOLONG, "SDP rtpmap attribute too long"},
{ PJMEDIA_SDP_EMISSINGRTPMAP, "Missing SDP rtpmap for dynamic payload type"},
{ PJMEDIA_SDP_EINMEDIA, "Invalid SDP media line" },
{ PJMEDIA_SDP_ENOFMT, "No SDP payload format in the media line" },
{ PJMEDIA_SDP_EINPT, "Invalid SDP payload type in media line" },
{ PJMEDIA_SDP_EINFMTP, "Invalid SDP fmtp attribute" },
/* SDP negotiator errors. */
{ PJMEDIA_SDPNEG_EINSTATE, "Invalid SDP negotiator state for operation" },
{ PJMEDIA_SDPNEG_ENOINITIAL, "No initial local SDP in SDP negotiator" },
{ PJMEDIA_SDPNEG_ENOACTIVE, "No active SDP in SDP negotiator" },
{ PJMEDIA_SDPNEG_ENONEG, "No current local/remote offer/answer" },
{ PJMEDIA_SDPNEG_EMISMEDIA, "SDP media count mismatch in offer/answer" },
{ PJMEDIA_SDPNEG_EINVANSMEDIA, "SDP media type mismatch in offer/answer" },
{ PJMEDIA_SDPNEG_EINVANSTP, "SDP media transport type mismatch in offer/answer" },
{ PJMEDIA_SDPNEG_EANSNOMEDIA, "No common SDP media payload in answer" },
{ PJMEDIA_SDPNEG_ENOMEDIA, "No active media stream after negotiation" },
/* SDP comparison results */
{ PJMEDIA_SDP_EMEDIANOTEQUAL, "SDP media descriptor not equal" },
{ PJMEDIA_SDP_EPORTNOTEQUAL, "Port in SDP media descriptor not equal" },
{ PJMEDIA_SDP_ETPORTNOTEQUAL, "Transport in SDP media descriptor not equal" },
{ PJMEDIA_SDP_EFORMATNOTEQUAL, "Format in SDP media descriptor not equal" },
{ PJMEDIA_SDP_ECONNNOTEQUAL, "SDP connection line not equal" },
{ PJMEDIA_SDP_EATTRNOTEQUAL, "SDP attributes not equal" },
{ PJMEDIA_SDP_EDIRNOTEQUAL, "SDP media direction not equal" },
{ PJMEDIA_SDP_EFMTPNOTEQUAL, "SDP fmtp attribute not equal" },
{ PJMEDIA_SDP_ERTPMAPNOTEQUAL, "SDP rtpmap attribute not equal" },
{ PJMEDIA_SDP_ESESSNOTEQUAL, "SDP session descriptor not equal" },
{ PJMEDIA_SDP_EORIGINNOTEQUAL, "SDP origin line not equal" },
{ PJMEDIA_SDP_ENAMENOTEQUAL, "SDP name/subject line not equal" },
{ PJMEDIA_SDP_ETIMENOTEQUAL, "SDP time line not equal" },
};
/*
* pjmedia_strerror()
*/
PJ_DEF(pj_str_t) pjmedia_strerror( pj_status_t statcode,
char *buf, pj_size_t bufsize )
{
pj_str_t errstr;
if (statcode >= PJMEDIA_ERRNO_START &&
statcode < PJMEDIA_ERRNO_START + PJ_ERRNO_SPACE_SIZE)
{
/* 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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