| /* $Id$ */ |
| /* |
| * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) |
| * Copyright (C) 2003-2008 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 <pjnath/errno.h> |
| #include <pjnath/stun_msg.h> |
| #include <pj/assert.h> |
| #include <pj/log.h> |
| #include <pj/string.h> |
| |
| |
| |
| /* 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 PJ_SUCCESS; |
| } |
| |
| |
| #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 */ |
| |