/* $Id$ */ /* * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) * Copyright (C) 2003-2008 Benny Prijono * * 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 #include #include #include #include /* PJNATH's own error codes/messages * MUST KEEP THIS ARRAY SORTED!! * Message must be limited to 64 chars! */ #if defined(PJ_HAS_ERROR_STRING) && PJ_HAS_ERROR_STRING!=0 static const struct { int code; const char *msg; } err_str[] = { /* STUN related error codes */ PJ_BUILD_ERR( PJNATH_EINSTUNMSG, "Invalid STUN message"), PJ_BUILD_ERR( PJNATH_EINSTUNMSGLEN, "Invalid STUN message length"), PJ_BUILD_ERR( PJNATH_EINSTUNMSGTYPE, "Invalid or unexpected STUN message type"), PJ_BUILD_ERR( PJNATH_ESTUNTIMEDOUT, "STUN transaction has timed out"), PJ_BUILD_ERR( PJNATH_ESTUNTOOMANYATTR, "Too many STUN attributes"), PJ_BUILD_ERR( PJNATH_ESTUNINATTRLEN, "Invalid STUN attribute length"), PJ_BUILD_ERR( PJNATH_ESTUNDUPATTR, "Found duplicate STUN attribute"), PJ_BUILD_ERR( PJNATH_ESTUNFINGERPRINT, "STUN FINGERPRINT verification failed"), PJ_BUILD_ERR( PJNATH_ESTUNMSGINTPOS, "Invalid STUN attribute after MESSAGE-INTEGRITY"), PJ_BUILD_ERR( PJNATH_ESTUNFINGERPOS, "Invalid STUN attribute after FINGERPRINT"), PJ_BUILD_ERR( PJNATH_ESTUNNOMAPPEDADDR, "STUN (XOR-)MAPPED-ADDRESS attribute not found"), PJ_BUILD_ERR( PJNATH_ESTUNIPV6NOTSUPP, "STUN IPv6 attribute not supported"), PJ_BUILD_ERR( PJNATH_EINVAF, "Invalid STUN address family value"), PJ_BUILD_ERR( PJNATH_ESTUNINSERVER, "Invalid STUN server or server not configured"), PJ_BUILD_ERR( PJNATH_ESTUNDESTROYED, "STUN object has been destoyed"), /* ICE related errors */ PJ_BUILD_ERR( PJNATH_ENOICE, "ICE session not available"), PJ_BUILD_ERR( PJNATH_EICEINPROGRESS, "ICE check is in progress"), PJ_BUILD_ERR( PJNATH_EICEFAILED, "All ICE checklists failed"), PJ_BUILD_ERR( PJNATH_EICEMISMATCH, "Default target doesn't match any ICE candidates"), PJ_BUILD_ERR( PJNATH_EICEINCOMPID, "Invalid ICE component ID"), PJ_BUILD_ERR( PJNATH_EICEINCANDID, "Invalid ICE candidate ID"), PJ_BUILD_ERR( PJNATH_EICEINSRCADDR, "Source address mismatch"), PJ_BUILD_ERR( PJNATH_EICEMISSINGSDP, "Missing ICE SDP attribute"), PJ_BUILD_ERR( PJNATH_EICEINCANDSDP, "Invalid SDP \"candidate\" attribute"), PJ_BUILD_ERR( PJNATH_EICENOHOSTCAND, "No host candidate associated with srflx"), PJ_BUILD_ERR( PJNATH_EICENOMTIMEOUT, "Controlled agent timed out waiting for nomination"), /* TURN related errors */ PJ_BUILD_ERR( PJNATH_ETURNINTP, "Invalid/unsupported transport"), }; #endif /* PJ_HAS_ERROR_STRING */ /* * pjnath_strerror() */ static pj_str_t pjnath_strerror(pj_status_t statcode, char *buf, pj_size_t bufsize ) { pj_str_t errstr; #if defined(PJ_HAS_ERROR_STRING) && (PJ_HAS_ERROR_STRING != 0) if (statcode >= PJNATH_ERRNO_START && statcode < PJNATH_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_ansi_strlen(err_str[first].msg); errstr.ptr = buf; pj_strncpy_with_null(&errstr, &msg, bufsize); return errstr; } } #endif /* PJ_HAS_ERROR_STRING */ /* Error not found. */ errstr.ptr = buf; errstr.slen = pj_ansi_snprintf(buf, bufsize, "Unknown pjnath error %d", statcode); if (errstr.slen < 1 || errstr.slen >= (int)bufsize) errstr.slen = bufsize-1; return errstr; } static pj_str_t pjnath_strerror2(pj_status_t statcode, char *buf, pj_size_t bufsize ) { int stun_code = statcode - PJ_STATUS_FROM_STUN_CODE(0); const pj_str_t cmsg = pj_stun_get_err_reason(stun_code); pj_str_t errstr; buf[bufsize-1] = '\0'; if (cmsg.slen == 0) { /* Not found */ errstr.ptr = buf; errstr.slen = pj_ansi_snprintf(buf, bufsize, "Unknown STUN err-code %d", stun_code); } else { errstr.ptr = buf; pj_strncpy(&errstr, &cmsg, bufsize); if (errstr.slen < (int)bufsize) buf[errstr.slen] = '\0'; else buf[bufsize-1] = '\0'; } if (errstr.slen < 1 || errstr.slen >= (int)bufsize) errstr.slen = bufsize-1; return errstr; } PJ_DEF(pj_status_t) pjnath_init(void) { pj_status_t status; status = pj_register_strerror(PJNATH_ERRNO_START, 299, &pjnath_strerror); pj_assert(status == PJ_SUCCESS); status = pj_register_strerror(PJ_STATUS_FROM_STUN_CODE(300), 699 - 300, &pjnath_strerror2); pj_assert(status == PJ_SUCCESS); return status; } #if PJNATH_ERROR_LEVEL <= PJ_LOG_MAX_LEVEL PJ_DEF(void) pjnath_perror(const char *sender, const char *title, pj_status_t status) { char errmsg[PJ_ERR_MSG_SIZE]; pj_strerror(status, errmsg, sizeof(errmsg)); #if PJNATH_ERROR_LEVEL==1 PJ_LOG(1,(sender, "%s: %s", title, errmsg)); #elif PJNATH_ERROR_LEVEL==2 PJ_LOG(2,(sender, "%s: %s", title, errmsg)); #elif PJNATH_ERROR_LEVEL==3 PJ_LOG(3,(sender, "%s: %s", title, errmsg)); #elif PJNATH_ERROR_LEVEL==4 PJ_LOG(4,(sender, "%s: %s", title, errmsg)); #elif PJNATH_ERROR_LEVEL==5 PJ_LOG(5,(sender, "%s: %s", title, errmsg)); #else # error Invalid PJNATH_ERROR_LEVEL value #endif } #endif /* PJNATH_ERROR_LEVEL <= PJ_LOG_MAX_LEVEL */