| /* $Id$ */ |
| /* |
| * 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 <pj/addr_resolv.h> |
| #include <pj/assert.h> |
| #include <pj/errno.h> |
| #include <pj/string.h> |
| #include <pj/unicode.h> |
| |
| #include "os_symbian.h" |
| |
| |
| // PJLIB API: resolve hostname |
| PJ_DEF(pj_status_t) pj_gethostbyname(const pj_str_t *name, pj_hostent *he) |
| { |
| PJ_ASSERT_RETURN(name && he, PJ_EINVAL); |
| |
| RHostResolver &resv = PjSymbianOS::Instance()->GetResolver(); |
| |
| // Convert name to Unicode |
| wchar_t name16[PJ_MAX_HOSTNAME]; |
| pj_ansi_to_unicode(name->ptr, name->slen, name16, PJ_ARRAY_SIZE(name16)); |
| TPtrC16 data((const TUint16*)name16); |
| |
| // Resolve! |
| TNameEntry nameEntry; |
| TRequestStatus reqStatus; |
| |
| resv.GetByName(data, nameEntry, reqStatus); |
| User::WaitForRequest(reqStatus); |
| |
| if (reqStatus != KErrNone) |
| return PJ_RETURN_OS_ERROR(reqStatus.Int()); |
| |
| // Get the resolved TInetAddr |
| // This doesn't work, see Martin email on 28/3/2007: |
| // const TNameRecord &rec = (const TNameRecord&) nameEntry; |
| // TInetAddr inetAddr(rec.iAddr); |
| TInetAddr inetAddr(nameEntry().iAddr); |
| |
| // |
| // This where we keep static variables. |
| // These should be kept in TLS probably, to allow multiple threads |
| // to call pj_gethostbyname() without interfering each other. |
| // But again, we don't support threads in Symbian! |
| // |
| static char resolved_name[PJ_MAX_HOSTNAME]; |
| static char *no_aliases[1]; |
| static pj_in_addr *addr_list[2]; |
| static pj_sockaddr_in resolved_addr; |
| |
| // Convert the official address to ANSI. |
| pj_unicode_to_ansi((const wchar_t*)nameEntry().iName.Ptr(), nameEntry().iName.Length(), |
| resolved_name, sizeof(resolved_name)); |
| |
| // Convert IP address |
| |
| PjSymbianOS::Addr2pj(inetAddr, resolved_addr); |
| addr_list[0] = &resolved_addr.sin_addr; |
| |
| // Return hostent |
| he->h_name = resolved_name; |
| he->h_aliases = no_aliases; |
| he->h_addrtype = pj_AF_INET(); |
| he->h_length = 4; |
| he->h_addr_list = (char**) addr_list; |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* Resolve the IP address of local machine */ |
| PJ_DEF(pj_status_t) pj_gethostip(pj_in_addr *addr) |
| { |
| const pj_str_t *hostname = pj_gethostname(); |
| struct pj_hostent he; |
| pj_str_t cp; |
| pj_in_addr loopip; |
| pj_status_t status; |
| |
| cp = pj_str("127.0.0.1"); |
| loopip = pj_inet_addr(&cp); |
| |
| /* Try with resolving local hostname first */ |
| status = pj_gethostbyname(hostname, &he); |
| if (status == PJ_SUCCESS) { |
| *addr = *(pj_in_addr*)he.h_addr; |
| } |
| |
| |
| /* If we end up with 127.0.0.1 or 0.0.0.0, resolve the IP by getting |
| * the default interface to connect to some public host. |
| */ |
| if (status!=PJ_SUCCESS || addr->s_addr == loopip.s_addr || !addr->s_addr) { |
| pj_sock_t fd; |
| pj_sockaddr_in a; |
| int len; |
| |
| status = pj_sock_socket(pj_AF_INET(), pj_SOCK_DGRAM(), 0, &fd); |
| if (status != PJ_SUCCESS) { |
| return status; |
| } |
| |
| cp = pj_str("1.1.1.1"); |
| pj_sockaddr_in_init(&a, &cp, 53); |
| |
| status = pj_sock_connect(fd, &a, sizeof(a)); |
| if (status != PJ_SUCCESS) { |
| pj_sock_close(fd); |
| return status; |
| } |
| |
| len = sizeof(a); |
| status = pj_sock_getsockname(fd, &a, &len); |
| if (status != PJ_SUCCESS) { |
| pj_sock_close(fd); |
| return status; |
| } |
| |
| pj_sock_close(fd); |
| |
| *addr = a.sin_addr; |
| |
| if (a.sin_addr.s_addr == 0) |
| return PJ_ENOTFOUND; |
| } |
| |
| return status; |
| } |
| |
| |
| |