[0] | 1 | //basic.c: |
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| 2 | |
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[690] | 3 | /* |
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[5823] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2013 |
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[690] | 5 | * |
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| 6 | * This file is part of libroar a part of RoarAudio, |
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| 7 | * a cross-platform sound system for both, home and professional use. |
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| 8 | * See README for details. |
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| 9 | * |
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| 10 | * This file is free software; you can redistribute it and/or modify |
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| 11 | * it under the terms of the GNU General Public License version 3 |
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| 12 | * as published by the Free Software Foundation. |
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| 13 | * |
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| 14 | * libroar is distributed in the hope that it will be useful, |
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 17 | * GNU General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU General Public License |
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| 20 | * along with this software; see the file COPYING. If not, write to |
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[3517] | 21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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| 22 | * Boston, MA 02110-1301, USA. |
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[690] | 23 | * |
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| 24 | * NOTE for everyone want's to change something and send patches: |
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| 25 | * read README and HACKING! There a addition information on |
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| 26 | * the license of this document you need to read before you send |
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| 27 | * any patches. |
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| 28 | * |
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| 29 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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| 30 | * or libpulse*: |
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| 31 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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| 32 | * and are therefore GPL. Because of this it may be illigal to use |
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| 33 | * them with any software that uses libesd, libartsc or libpulse*. |
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| 34 | */ |
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| 35 | |
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[0] | 36 | #include "libroar.h" |
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| 37 | |
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[5843] | 38 | enum mode { |
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| 39 | NORMAL = 0, |
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| 40 | SYSTEM = 1 |
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| 41 | }; |
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| 42 | |
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| 43 | static int _connect_server(struct roar_connection * con, const char * server, int type, int flags, uint_least32_t timeout); |
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| 44 | |
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[5895] | 45 | int __get_daemonimage(char ** daemonimage, enum mode * mode, const char * server) { |
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| 46 | const char * tmp = NULL; |
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| 47 | |
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[5843] | 48 | *daemonimage = NULL; |
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| 49 | *mode = NORMAL; |
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| 50 | |
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| 51 | if ( !!strncmp(server, "+fork", 5) ) { |
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| 52 | roar_err_set(ROAR_ERROR_INVAL); |
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| 53 | return -1; |
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| 54 | } |
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| 55 | |
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| 56 | server += 5; |
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| 57 | |
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| 58 | if ( server[0] == '=' ) { |
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| 59 | server++; |
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| 60 | |
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| 61 | if ( server[0] == 0 ) { |
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| 62 | // no special case, we just ignore it. |
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| 63 | } else if ( server[0] == 'd' && server[1] == ':' ) { |
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| 64 | server += 2; |
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[5895] | 65 | tmp = server; |
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[5843] | 66 | *mode = NORMAL; |
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| 67 | } else if ( server[0] == '!' ) { |
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| 68 | server += 1; |
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[5895] | 69 | tmp = server; |
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[5843] | 70 | *mode = SYSTEM; |
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| 71 | } else { |
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| 72 | roar_err_set(ROAR_ERROR_ILLSEQ); |
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| 73 | return -1; |
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| 74 | } |
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| 75 | } |
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| 76 | |
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[5895] | 77 | if ( tmp == NULL || *tmp == 0 ) |
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| 78 | tmp = roar_libroar_get_config()->daemonimage; |
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[5843] | 79 | |
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| 80 | // we keep this step to be compatible with older versions. |
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[5895] | 81 | if ( tmp == NULL || *tmp == 0 ) { |
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| 82 | tmp = roar_env_get("ROAR_DAEMONIMAGE"); |
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| 83 | if ( tmp != NULL ) { |
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[5843] | 84 | ROAR_WARN("__get_daemonimage(*): Usage of $ROAR_DAEMONIMAGE is obsolete. Use ROAR_OPTIONS=daemonimage:..."); |
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| 85 | } |
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| 86 | } |
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| 87 | |
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[5895] | 88 | if ( tmp != NULL && *tmp != 0 ) { |
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| 89 | *daemonimage = roar_mm_strdup(tmp); |
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| 90 | return 0; |
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| 91 | } |
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| 92 | |
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| 93 | *daemonimage = roar_libroar_get_path("bin-default-daemonimage", 0, NULL, NULL); |
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| 94 | if ( *daemonimage == NULL ) |
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| 95 | return -1; |
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[5843] | 96 | |
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| 97 | return 0; |
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| 98 | } |
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| 99 | |
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| 100 | #if defined(ROAR_TARGET_WIN32) |
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| 101 | #define NUM_TRIES 16 |
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| 102 | static int _start_server_win32(struct roar_connection * con, const char * server, int type, int flags, uint_least32_t timeout) { |
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| 103 | enum mode mode = NORMAL; |
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[5895] | 104 | char * daemonimage = NULL; |
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[5843] | 105 | char buf[64]; |
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| 106 | int port; |
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| 107 | size_t i; |
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| 108 | int fh; |
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| 109 | int ret; |
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| 110 | |
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| 111 | if ( __get_daemonimage(&daemonimage, &mode, server) == -1 ) |
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| 112 | return -1; |
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| 113 | |
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| 114 | if ( mode != NORMAL ) { |
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[5895] | 115 | roar_mm_free(daemonimage); |
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[5843] | 116 | roar_err_set(ROAR_ERROR_NOSYS); |
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| 117 | return -1; |
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| 118 | } |
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| 119 | |
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| 120 | for (i = 0; i < NUM_TRIES; i++) { |
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| 121 | port = roar_random_uint16(); |
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[5848] | 122 | if ( port < 1025 ) /* it seems on some strange systems the magic border is at 1025 not 1024. */ |
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[5843] | 123 | continue; |
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| 124 | |
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| 125 | fh = roar_socket_connect(ROAR_SOCKET_TYPE_TCP, "localhost", port); |
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| 126 | if ( fh == -1 ) |
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| 127 | break; |
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| 128 | |
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| 129 | closesocket(fh); |
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| 130 | } |
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| 131 | |
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| 132 | if ( i == NUM_TRIES ) { |
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[5895] | 133 | roar_mm_free(daemonimage); |
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[5843] | 134 | roar_err_set(ROAR_ERROR_LOOP); |
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| 135 | return -1; |
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| 136 | } |
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| 137 | |
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| 138 | // port is the port to use. It seems to be 'free'. |
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| 139 | |
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| 140 | #if defined(_P_DETACH) |
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| 141 | #define MODE _P_DETACH |
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| 142 | #elif defined(_P_NOWAIT) |
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| 143 | #define MODE _P_NOWAIT |
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| 144 | #else |
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| 145 | #define MODE _P_NOWAITO |
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| 146 | #endif |
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| 147 | |
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| 148 | snprintf(buf, sizeof(buf), "%i", port); |
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[5844] | 149 | roar_err_clear_all(); |
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| 150 | if ( _spawnlp(MODE, daemonimage, daemonimage, "--tcp", "--bind", "localhost", "--port", buf, (const char*)NULL) < 0 ) { |
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| 151 | roar_err_update(); |
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| 152 | ROAR_ERR("_start_server_win32(server='%s', ...): Can not start server: %s: %s", server, daemonimage, roar_errorstring); |
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[5895] | 153 | err = roar_error; |
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| 154 | roar_mm_free(daemonimage); |
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| 155 | roar_error = err; |
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[5844] | 156 | return -1; |
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| 157 | } |
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[5843] | 158 | |
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[5895] | 159 | roar_mm_free(daemonimage); |
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| 160 | |
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[5843] | 161 | snprintf(buf, sizeof(buf), "localhost:%i", port); |
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| 162 | |
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| 163 | // give the daemon some time to come up: |
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| 164 | roar_usleep(25000); |
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| 165 | |
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| 166 | ret = -1; |
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| 167 | for (i = 0; ret == -1 && i < NUM_TRIES; i++) { |
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| 168 | ret = _connect_server(con, buf, type, flags, timeout); |
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| 169 | if ( ret == -1 && i < NUM_TRIES ) |
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| 170 | roar_sleep(1); |
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| 171 | } |
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| 172 | |
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| 173 | if ( ret == -1 ) |
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| 174 | return -1; |
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| 175 | |
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| 176 | con->flags |= ROAR_CON_FLAGS_TERMINATE; |
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| 177 | |
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| 178 | return 0; |
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| 179 | } |
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| 180 | #elif !defined(ROAR_TARGET_MICROCONTROLLER) |
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| 181 | static int _start_server_posix(struct roar_connection * con, const char * server, int type, int flags, uint_least32_t timeout) { |
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| 182 | enum mode mode = NORMAL; |
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[5895] | 183 | char * daemonimage = NULL; |
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[5369] | 184 | int socks[2]; |
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| 185 | int r; |
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| 186 | char fhstr[12]; |
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[5838] | 187 | size_t len; |
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[5895] | 188 | char * bin_sh; |
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| 189 | int err; |
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[5369] | 190 | |
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[5843] | 191 | if ( __get_daemonimage(&daemonimage, &mode, server) == -1 ) |
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| 192 | return -1; |
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[5369] | 193 | |
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[5838] | 194 | len = roar_mm_strlen(daemonimage) + 9; // 9 = '+fork=' + 'X:' + '\0' |
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| 195 | con->server_name = roar_mm_malloc(len); |
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| 196 | if ( con->server_name != NULL ) { |
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| 197 | snprintf(con->server_name, len, "+fork=%s%s", mode == NORMAL ? "d:" : "!", daemonimage); |
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| 198 | } |
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| 199 | |
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[5369] | 200 | if ( socketpair(AF_UNIX, SOCK_STREAM, 0, socks) == -1 ) { |
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| 201 | roar_err_from_errno(); |
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[5895] | 202 | err = roar_error; |
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| 203 | roar_mm_free(daemonimage); |
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| 204 | roar_error = err; |
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[5369] | 205 | return -1; |
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| 206 | } |
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| 207 | |
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[5373] | 208 | r = roar_fork(NULL); |
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[5369] | 209 | |
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| 210 | if ( r == -1 ) { // error! |
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[5373] | 211 | ROAR_ERR("_start_server(*): Can not fork: %s", roar_error2str(roar_error)); |
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[5895] | 212 | err = roar_error; |
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[5369] | 213 | close(socks[0]); |
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| 214 | close(socks[1]); |
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[5895] | 215 | roar_mm_free(daemonimage); |
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| 216 | roar_error = err; |
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[5369] | 217 | return -1; |
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| 218 | } else if ( r == 0 ) { // we are the child |
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[5619] | 219 | roar_watchdog_stop(); |
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| 220 | |
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[5369] | 221 | close(socks[0]); |
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| 222 | |
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| 223 | close(ROAR_STDIN ); // we do not want roard to have any standard input |
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| 224 | close(ROAR_STDOUT); // STDOUT is also not needed, so we close it, |
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| 225 | // but STDERR we keep open for error messages. |
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| 226 | |
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| 227 | snprintf(fhstr, sizeof(fhstr), "%i", socks[1]); |
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| 228 | |
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| 229 | switch (mode) { |
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| 230 | case NORMAL: |
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| 231 | execlp(daemonimage, daemonimage, "--no-listen", "--client-fh", fhstr, (_LIBROAR_GOOD_CAST char*)NULL); |
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| 232 | break; |
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| 233 | case SYSTEM: |
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| 234 | dup2(socks[1], ROAR_STDIN ); |
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| 235 | dup2(socks[1], ROAR_STDOUT); |
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[5895] | 236 | bin_sh = roar_libroar_get_path("bin-sh", 0, NULL, NULL); |
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| 237 | if ( bin_sh != NULL ) { |
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| 238 | execl(bin_sh, bin_sh, "-c", daemonimage, (_LIBROAR_GOOD_CAST char*)NULL); |
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| 239 | roar_mm_free(bin_sh); |
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| 240 | } |
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[5369] | 241 | execlp("sh", "sh", "-c", daemonimage, (_LIBROAR_GOOD_CAST char*)NULL); |
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| 242 | break; |
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| 243 | } |
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| 244 | |
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[5895] | 245 | roar_mm_free(daemonimage); |
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| 246 | |
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[5369] | 247 | // we are still alive? |
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[5373] | 248 | ROAR_ERR("_start_server(*): alive after exec(), that's bad!"); |
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[5619] | 249 | ROAR_U_EXIT(1); |
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[5369] | 250 | } else { // we are the parent |
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| 251 | close(socks[1]); |
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[5895] | 252 | roar_mm_free(daemonimage); |
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[5369] | 253 | if ( roar_vio_open_fh_socket(con->viocon, socks[0]) == -1 ) { |
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| 254 | close(socks[0]); |
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| 255 | return -1; |
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| 256 | } else { |
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| 257 | con->flags |= ROAR_CON_FLAGS_VIO; |
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| 258 | } |
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| 259 | return 0; |
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| 260 | } |
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| 261 | |
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| 262 | return -1; |
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[5843] | 263 | } |
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| 264 | #endif |
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| 265 | |
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| 266 | static int _start_server(struct roar_connection * con, const char * server, int type, int flags, uint_least32_t timeout) { |
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| 267 | #if defined(ROAR_TARGET_WIN32) |
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[5847] | 268 | return _start_server_win32(con, server, type, flags, timeout); |
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[5843] | 269 | #elif !defined(ROAR_TARGET_MICROCONTROLLER) |
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| 270 | return _start_server_posix(con, server, type, flags, timeout); |
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[5369] | 271 | #else |
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[5843] | 272 | ROAR_ERR("_start_server(*): There is no UNIX Domain Socket, download a real OS."); |
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| 273 | roar_err_set(ROAR_ERROR_NOSYS); |
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[5369] | 274 | return -1; |
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| 275 | #endif |
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| 276 | } |
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| 277 | |
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[5373] | 278 | static int _connect_internal(struct roar_connection * con, const char * server, int type, int flags, uint_least32_t timeout) { |
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| 279 | struct roar_libroar_config * config = roar_libroar_get_config(); |
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| 280 | struct roar_vio_calls * vio; |
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| 281 | |
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| 282 | if ( config->connect_internal != NULL ) { |
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| 283 | vio = config->connect_internal(con, server, type, flags, timeout); |
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| 284 | if ( vio == NULL ) |
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| 285 | return -1; |
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| 286 | |
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| 287 | con->viocon = vio; |
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| 288 | con->flags |= ROAR_CON_FLAGS_VIO; |
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| 289 | |
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| 290 | return 0; |
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| 291 | } |
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| 292 | |
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| 293 | roar_err_set(ROAR_ERROR_BADHOST); |
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| 294 | return -1; |
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| 295 | } |
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| 296 | |
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[5368] | 297 | static int _connect_server(struct roar_connection * con, const char * server, int type, int flags, uint_least32_t timeout) { |
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| 298 | #if defined(ROAR_HAVE_STAT) && defined(ROAR_HAVE_H_SYS_STAT) |
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| 299 | struct stat sockstat; |
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| 300 | #endif |
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| 301 | const char * obj = NULL; |
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| 302 | char user_sock[128]; |
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| 303 | int is_decnet = 0; |
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| 304 | int port = 0; |
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| 305 | int i = 0; |
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| 306 | int fh = -1; |
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| 307 | int err; |
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[5838] | 308 | int ret; |
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[5368] | 309 | |
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| 310 | if ( con == NULL || server == NULL ) { |
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| 311 | roar_err_set(ROAR_ERROR_FAULT); |
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| 312 | return -1; |
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| 313 | } |
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| 314 | |
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| 315 | if ( !strcmp(server, "+invalid") ) { |
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| 316 | roar_err_set(ROAR_ERROR_CANCELED); |
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| 317 | return -1; |
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| 318 | } else if ( !strncmp(server, "+dstr=", 6) ) { |
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| 319 | if ( roar_vio_open_dstr_simple(con->viocon, server+6, ROAR_VIOF_READWRITE) == -1 ) |
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| 320 | return -1; |
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| 321 | con->flags |= ROAR_CON_FLAGS_VIO; |
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[5838] | 322 | con->server_name = roar_mm_strdup(server); |
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[5368] | 323 | return 0; |
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[5369] | 324 | } else if ( !strcmp(server, "+fork") || !strncmp(server, "+fork=", 6) ) { |
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[5847] | 325 | return _start_server(con, server, type, flags, timeout); |
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[5373] | 326 | } else if ( !strcmp(server, "+internal") || !strncmp(server, "+internal=", 10) ) { |
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[5838] | 327 | ret = _connect_internal(con, server, type, flags, timeout); |
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| 328 | if ( ret == 0 ) |
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| 329 | con->server_name = roar_mm_strdup(server); |
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| 330 | return ret; |
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[5368] | 331 | } |
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| 332 | |
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| 333 | strncpy(user_sock, server, sizeof(user_sock)-1); |
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| 334 | user_sock[sizeof(user_sock)-1] = 0; |
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| 335 | |
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| 336 | |
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| 337 | if ( *user_sock != '/' ) { // don't test AF_UNIX sockets for ports |
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| 338 | for (i = 0; user_sock[i] != 0; i++) { |
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| 339 | if ( user_sock[i] == ':' ) { |
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| 340 | if ( user_sock[i+1] == ':' ) { // DECnet, leave unchanged |
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| 341 | is_decnet = 1; |
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| 342 | obj = &user_sock[i+2]; |
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| 343 | break; |
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| 344 | } |
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| 345 | |
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| 346 | port = atoi(&(user_sock[i+1])); |
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| 347 | user_sock[i] = 0; |
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| 348 | break; |
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| 349 | } |
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| 350 | } |
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| 351 | } |
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| 352 | |
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| 353 | if ( is_decnet ) { |
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| 354 | if ( *user_sock == ':' ) { |
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| 355 | if ( roar_socket_get_local_nodename() != NULL ) { |
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| 356 | strncpy(user_sock, roar_socket_get_local_nodename(), sizeof(user_sock)-1); |
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| 357 | user_sock[sizeof(user_sock)-1] = 0; |
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| 358 | roar_mm_strlcat(user_sock, server, sizeof(user_sock)-1); |
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| 359 | user_sock[sizeof(user_sock)-1] = 0; |
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| 360 | obj = strstr(user_sock, "::"); |
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| 361 | obj += 2; |
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| 362 | } |
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| 363 | } |
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| 364 | |
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| 365 | if ( *obj == 0 ) { |
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| 366 | roar_mm_strlcat(user_sock, ROAR_DEFAULT_OBJECT, sizeof(user_sock)-1); |
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| 367 | user_sock[sizeof(user_sock)-1] = 0; |
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| 368 | } |
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[5838] | 369 | |
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| 370 | ROAR_DBG("roar_connect_raw(*): user_sock='%s'", user_sock); |
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[5368] | 371 | } |
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| 372 | |
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| 373 | if ( port || is_decnet ) { |
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[5375] | 374 | fh = roar_socket_connect(type, user_sock, port); |
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[5368] | 375 | // restore the original string |
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| 376 | user_sock[i] = ':'; |
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| 377 | } else { |
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| 378 | #if defined(ROAR_HAVE_STAT) && defined(ROAR_HAVE_H_SYS_STAT) |
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| 379 | if ( user_sock[0] == '/' ) { |
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| 380 | if ( stat(user_sock, &sockstat) == 0 ) { |
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| 381 | if ( S_ISCHR(sockstat.st_mode) ) { |
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[5406] | 382 | #ifdef O_NOCTTY |
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[5428] | 383 | fh = open(user_sock, O_RDWR|O_NOCTTY, 0666); |
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[5406] | 384 | #else |
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[5428] | 385 | fh = open(user_sock, O_RDWR, 0666); |
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[5406] | 386 | #endif |
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[5368] | 387 | } |
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| 388 | } |
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| 389 | } |
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| 390 | #endif |
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[5428] | 391 | if ( fh == -1 ) |
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| 392 | fh = roar_socket_connect(type, user_sock, ROAR_DEFAULT_PORT); |
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[5368] | 393 | } |
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| 394 | |
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| 395 | if ( fh == -1 ) |
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| 396 | return -1; |
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| 397 | |
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| 398 | if ( roar_vio_open_fh_socket(con->viocon, fh) == -1 ) { |
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| 399 | err = roar_error; |
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| 400 | #ifdef ROAR_TARGET_WIN32 |
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| 401 | closesocket(fh); |
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| 402 | #else |
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| 403 | close(fh); |
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| 404 | #endif |
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| 405 | roar_error = err; |
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| 406 | return -1; |
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| 407 | } else { |
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| 408 | con->flags |= ROAR_CON_FLAGS_VIO; |
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| 409 | } |
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| 410 | |
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[5838] | 411 | con->server_name = roar_mm_strdup(server); |
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| 412 | |
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[5368] | 413 | roar_err_set(ROAR_ERROR_NONE); |
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| 414 | return 0; |
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| 415 | } |
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| 416 | |
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| 417 | static int roar_connect_raw (struct roar_connection * con, const char * server, int flags, uint_least32_t timeout) { |
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[4780] | 418 | #ifdef ROAR_HAVE_LIBSLP |
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[4653] | 419 | struct roar_libroar_config * config = roar_libroar_get_config(); |
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[4780] | 420 | #endif |
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[5745] | 421 | #if defined(ROAR_HAVE_UNIX) |
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[5114] | 422 | char user_sock[128]; |
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[5754] | 423 | const char * roar_server; |
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[5393] | 424 | #endif |
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| 425 | #if defined(ROAR_HAVE_LIBSLP) || !defined(ROAR_TARGET_MICROCONTROLLER) |
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[701] | 426 | int i = 0; |
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[5393] | 427 | #endif |
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[1475] | 428 | #if !defined(ROAR_TARGET_WIN32) && !defined(ROAR_TARGET_MICROCONTROLLER) |
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[1026] | 429 | struct passwd * pwd; |
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[5895] | 430 | char * sysconf_roarserver; |
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[1393] | 431 | #endif |
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[828] | 432 | #ifdef ROAR_HAVE_LIBDNET |
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| 433 | struct stat decnet_stat; |
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| 434 | #endif |
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[3372] | 435 | #ifdef ROAR_HAVE_LIBX11 |
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| 436 | struct roar_x11_connection * x11con; |
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| 437 | #endif |
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[4945] | 438 | #ifdef ROAR_HAVE_LIBSLP |
---|
[4806] | 439 | struct roar_server * list; |
---|
| 440 | int workarounds_store; |
---|
[4945] | 441 | #endif |
---|
[0] | 442 | |
---|
[4873] | 443 | roar_err_set(ROAR_ERROR_UNKNOWN); |
---|
[807] | 444 | |
---|
[4806] | 445 | if ( timeout != 0 ) { |
---|
[4873] | 446 | roar_err_set(ROAR_ERROR_INVAL); |
---|
[4806] | 447 | return -1; |
---|
| 448 | } |
---|
| 449 | |
---|
| 450 | if ( flags & ROAR_ENUM_FLAG_HARDNONBLOCK ) |
---|
| 451 | flags |= ROAR_ENUM_FLAG_NONBLOCK; |
---|
| 452 | |
---|
| 453 | |
---|
[5368] | 454 | if ( server == NULL || *server == 0 ) |
---|
[2567] | 455 | server = roar_libroar_get_server(); |
---|
| 456 | |
---|
[5368] | 457 | if ( server == NULL || *server == 0 ) |
---|
[5754] | 458 | server = roar_env_get("ROAR_SERVER"); |
---|
[0] | 459 | |
---|
[3372] | 460 | #ifdef ROAR_HAVE_LIBX11 |
---|
[5368] | 461 | if ( server == NULL || *server == 0 ) { |
---|
[3372] | 462 | if ( (x11con = roar_x11_connect(NULL)) != NULL ) { |
---|
| 463 | server = roar_x11_get_prop(x11con, "ROAR_SERVER"); |
---|
| 464 | roar_x11_disconnect(x11con); |
---|
| 465 | } |
---|
| 466 | } |
---|
| 467 | #endif |
---|
| 468 | |
---|
[1436] | 469 | #if !defined(ROAR_TARGET_WIN32) && !defined(ROAR_TARGET_MICROCONTROLLER) |
---|
[5895] | 470 | sysconf_roarserver = roar_libroar_get_path("sysconf-roarserver", 0, NULL, NULL); |
---|
| 471 | if ( sysconf_roarserver != NULL ) { |
---|
| 472 | if ( (server == NULL || *server == 0) && (i = readlink(sysconf_roarserver, user_sock, sizeof(user_sock)-1)) != -1 ) { |
---|
| 473 | user_sock[i] = 0; |
---|
| 474 | server = user_sock; |
---|
| 475 | } |
---|
| 476 | roar_mm_free(sysconf_roarserver); |
---|
[448] | 477 | } |
---|
[1093] | 478 | #endif |
---|
[448] | 479 | |
---|
[3077] | 480 | if ( server != NULL && !strcasecmp(server, "+slp") ) { |
---|
[3076] | 481 | server = roar_slp_find_roard(0); |
---|
| 482 | if ( server == NULL ) { |
---|
| 483 | return -1; |
---|
| 484 | } |
---|
| 485 | } |
---|
| 486 | |
---|
[5471] | 487 | // "+default" is an alias for NULL. |
---|
| 488 | if ( server != NULL && !strcasecmp(server, "+default") ) { |
---|
| 489 | server = NULL; |
---|
| 490 | } |
---|
| 491 | |
---|
[61] | 492 | if ( server == NULL || *server == 0 ) { |
---|
[0] | 493 | /* connect via defaults */ |
---|
| 494 | |
---|
[1764] | 495 | #ifdef ROAR_HAVE_UNIX |
---|
[1436] | 496 | #ifndef ROAR_TARGET_MICROCONTROLLER |
---|
[5754] | 497 | roar_server = roar_env_get("HOME"); |
---|
[1435] | 498 | #else |
---|
| 499 | roar_server = NULL; |
---|
| 500 | #endif |
---|
[1026] | 501 | |
---|
| 502 | if ( roar_server == NULL ) { |
---|
[1436] | 503 | #if !defined(ROAR_TARGET_WIN32) && !defined(ROAR_TARGET_MICROCONTROLLER) |
---|
[5895] | 504 | if ( (pwd = getpwuid(getuid())) != NULL ) { |
---|
[1026] | 505 | roar_server = pwd->pw_dir; |
---|
| 506 | } |
---|
[1078] | 507 | #endif |
---|
[1026] | 508 | } |
---|
| 509 | |
---|
[5895] | 510 | if ( roar_server != NULL ) { |
---|
| 511 | snprintf(user_sock, sizeof(user_sock)-1, "%s/%s", roar_server, ROAR_DEFAULT_SOCK_USER); |
---|
| 512 | user_sock[sizeof(user_sock)-1] = 0; |
---|
[0] | 513 | |
---|
[5895] | 514 | if ( _connect_server(con, user_sock, ROAR_SOCKET_TYPE_UNIX, flags, timeout) == 0 ) |
---|
| 515 | return 0; |
---|
| 516 | } |
---|
[0] | 517 | |
---|
[5368] | 518 | if ( _connect_server(con, ROAR_DEFAULT_SOCK_GLOBAL, ROAR_SOCKET_TYPE_UNIX, flags, timeout) == 0 ) |
---|
| 519 | return 0; |
---|
[1764] | 520 | #endif |
---|
[237] | 521 | |
---|
[5368] | 522 | if ( _connect_server(con, ROAR_DEFAULT_HOSTPORT, ROAR_SOCKET_TYPE_TCP, flags, timeout) == 0 ) |
---|
| 523 | return 0; |
---|
[0] | 524 | |
---|
[828] | 525 | #ifdef ROAR_HAVE_LIBDNET |
---|
| 526 | if ( stat(ROAR_PROC_NET_DECNET, &decnet_stat) == 0 ) { |
---|
| 527 | if ( roar_socket_get_local_nodename() ) { |
---|
| 528 | snprintf(user_sock, 79, "%s::%s", roar_socket_get_local_nodename(), ROAR_DEFAULT_OBJECT); |
---|
[5368] | 529 | if ( _connect_server(con, user_sock, ROAR_SOCKET_TYPE_DECNET, flags, timeout) == 0 ) |
---|
| 530 | return 0; |
---|
[828] | 531 | } |
---|
[522] | 532 | } |
---|
[828] | 533 | #endif |
---|
[2007] | 534 | |
---|
[5375] | 535 | if ( _connect_server(con, "+abstract", ROAR_SOCKET_TYPE_UNKNOWN, flags, timeout) == 0 ) |
---|
[5368] | 536 | return 0; |
---|
[4109] | 537 | |
---|
[2007] | 538 | #ifdef ROAR_HAVE_LIBSLP |
---|
[4806] | 539 | if ( !(config->workaround.workarounds & ROAR_LIBROAR_CONFIG_WAS_NO_SLP) && |
---|
[5373] | 540 | !(flags & ROAR_ENUM_FLAG_NONBLOCK) && |
---|
| 541 | !(flags & ROAR_ENUM_FLAG_LOCALONLY) |
---|
[4806] | 542 | ) { |
---|
| 543 | if ( (server = roar_slp_find_roard(0)) != NULL ) { |
---|
[5375] | 544 | if ( _connect_server(con, server, ROAR_SOCKET_TYPE_UNKNOWN, 0, 0) == 0 ) |
---|
[5368] | 545 | return 0; |
---|
[2014] | 546 | |
---|
[4806] | 547 | /* in case we can not connect to the server given this may be a cache problem, |
---|
| 548 | we do a new lookup with the cache disabled in this case */ |
---|
[5237] | 549 | ROAR_WARN("roar_connect_raw(*): Can not connect to SLP located server, disabling cache"); |
---|
[4806] | 550 | if ( (server = roar_slp_find_roard(1)) != NULL ) |
---|
[5375] | 551 | if ( _connect_server(con, server, ROAR_SOCKET_TYPE_UNKNOWN, 0, 0) == 0 ) |
---|
[5368] | 552 | return 0; |
---|
[4806] | 553 | } |
---|
| 554 | } |
---|
| 555 | |
---|
| 556 | workarounds_store = config->workaround.workarounds; |
---|
| 557 | config->workaround.workarounds |= ROAR_LIBROAR_CONFIG_WAS_NO_SLP; |
---|
| 558 | list = roar_enum_servers(flags, -1, -1); |
---|
| 559 | config->workaround.workarounds = workarounds_store; |
---|
| 560 | if ( list != NULL ) { |
---|
| 561 | for (i = 0; list[i].server != NULL; i++) { |
---|
[5375] | 562 | if ( _connect_server(con, list[i].server, ROAR_SOCKET_TYPE_UNKNOWN, 0, 0) == 0 ) { |
---|
[4806] | 563 | roar_enum_servers_free(list); |
---|
[5368] | 564 | return 0; |
---|
[4806] | 565 | } |
---|
| 566 | } |
---|
| 567 | roar_enum_servers_free(list); |
---|
[4653] | 568 | } |
---|
[2007] | 569 | #endif |
---|
[522] | 570 | |
---|
[2014] | 571 | return -1; |
---|
| 572 | |
---|
[0] | 573 | } else { |
---|
| 574 | /* connect via (char*)server */ |
---|
[5375] | 575 | if ( _connect_server(con, server, ROAR_SOCKET_TYPE_UNKNOWN, flags, timeout) != 0 ) |
---|
[5369] | 576 | return -1; |
---|
| 577 | return 0; |
---|
[0] | 578 | } |
---|
| 579 | |
---|
[5368] | 580 | roar_err_set(ROAR_ERROR_NODEV); |
---|
| 581 | ROAR_DBG("roar_connect_raw(*) = -1 // error=NODEV"); |
---|
| 582 | return -1; |
---|
[0] | 583 | } |
---|
| 584 | |
---|
[5237] | 585 | int roar_connect (struct roar_connection * con, const char * server, int flags, uint_least32_t timeout) { |
---|
[5373] | 586 | struct roar_libroar_config * config = roar_libroar_get_config(); |
---|
| 587 | |
---|
[1315] | 588 | if ( con == NULL ) { |
---|
[4873] | 589 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[1315] | 590 | return -1; |
---|
| 591 | } |
---|
| 592 | |
---|
[5368] | 593 | if ( roar_connect_none(con) == -1 ) |
---|
[0] | 594 | return -1; |
---|
| 595 | |
---|
[5373] | 596 | if ( roar_connect_raw(con, server, flags | config->serverflags, timeout) == -1 ) |
---|
[5296] | 597 | return -1; |
---|
| 598 | |
---|
| 599 | return 0; |
---|
[1315] | 600 | } |
---|
| 601 | |
---|
[5365] | 602 | int roar_connect_none (struct roar_connection * con) { |
---|
[5465] | 603 | struct roar_libroar_config * config = roar_libroar_get_config(); |
---|
| 604 | |
---|
[5365] | 605 | if ( con == NULL ) { |
---|
[4873] | 606 | roar_err_set(ROAR_ERROR_INVAL); |
---|
[1315] | 607 | return -1; |
---|
| 608 | } |
---|
| 609 | |
---|
| 610 | memset(con, 0, sizeof(struct roar_connection)); |
---|
[5296] | 611 | con->refc = 1; |
---|
[5467] | 612 | con->flags = ROAR_CON_FLAGS_ISCLIENT; |
---|
[5465] | 613 | con->version = _ROAR_MESSAGE_VERSION; |
---|
[5232] | 614 | con->cb_userdata = NULL; |
---|
| 615 | con->cb = NULL; |
---|
[5296] | 616 | con->server_stds = NULL; |
---|
| 617 | con->server_name = NULL; |
---|
[5232] | 618 | |
---|
| 619 | roar_err_init(&(con->errorframe)); |
---|
[1315] | 620 | |
---|
[5296] | 621 | con->viocon = &(con->viocon_store); |
---|
| 622 | |
---|
[5365] | 623 | // con->flags |= ROAR_CON_FLAGS_VIO; |
---|
| 624 | |
---|
[5465] | 625 | if ( config->protocolversion != -1 ) |
---|
| 626 | roar_set_connection_version(con, config->protocolversion); |
---|
| 627 | |
---|
[5365] | 628 | roar_err_set(ROAR_ERROR_NONE); |
---|
| 629 | return 0; |
---|
| 630 | } |
---|
| 631 | |
---|
| 632 | int roar_connect_vio (struct roar_connection * con, struct roar_vio_calls * vio) { |
---|
| 633 | if ( con == NULL || vio == NULL ) { |
---|
| 634 | roar_err_set(ROAR_ERROR_INVAL); |
---|
| 635 | return -1; |
---|
| 636 | } |
---|
| 637 | |
---|
| 638 | if ( roar_connect_none(con) == -1 ) |
---|
| 639 | return -1; |
---|
| 640 | |
---|
| 641 | con->viocon = vio; |
---|
| 642 | con->flags |= ROAR_CON_FLAGS_VIO; |
---|
| 643 | |
---|
| 644 | return -1; |
---|
| 645 | } |
---|
| 646 | |
---|
| 647 | int roar_connect_fh (struct roar_connection * con, int fh) { |
---|
| 648 | |
---|
| 649 | if ( con == NULL || fh == -1 ) { |
---|
| 650 | roar_err_set(ROAR_ERROR_INVAL); |
---|
| 651 | return -1; |
---|
| 652 | } |
---|
| 653 | |
---|
| 654 | if ( roar_connect_none(con) == -1 ) |
---|
| 655 | return -1; |
---|
| 656 | |
---|
[5637] | 657 | // special hack to set an illegal value used internally in libroar: |
---|
[5365] | 658 | if ( fh == -2 ) |
---|
| 659 | fh = -1; |
---|
| 660 | |
---|
[5296] | 661 | if ( roar_vio_open_fh_socket(con->viocon, fh) != -1 ) { |
---|
[3869] | 662 | con->flags |= ROAR_CON_FLAGS_VIO; |
---|
[5608] | 663 | } else { |
---|
| 664 | return -1; |
---|
[5231] | 665 | } |
---|
[1315] | 666 | |
---|
[4873] | 667 | roar_err_set(ROAR_ERROR_NONE); |
---|
[0] | 668 | return 0; |
---|
| 669 | } |
---|
| 670 | |
---|
[1660] | 671 | int roar_get_connection_fh (struct roar_connection * con) { |
---|
[5231] | 672 | int fh; |
---|
| 673 | |
---|
| 674 | ROAR_DBG("roar_get_connection_fh(con=%p) = ?", con); |
---|
| 675 | |
---|
[3869] | 676 | roar_debug_warn_sysio("roar_get_connection_fh", "roar_get_connection_vio2", NULL); |
---|
[2809] | 677 | |
---|
[2043] | 678 | if ( con == NULL ) |
---|
| 679 | return -1; |
---|
| 680 | |
---|
[5231] | 681 | ROAR_DBG("roar_get_connection_fh(con=%p) = ?", con); |
---|
| 682 | |
---|
[5792] | 683 | if ( roar_vio_ctl(con->viocon, ROAR_VIO_CTL_GET_FH, &fh) == -1 ) { |
---|
| 684 | #ifdef ROAR_TARGET_WIN32 |
---|
| 685 | if ( roar_vio_ctl(con->viocon, ROAR_VIO_CTL_GET_SELECT_FH, &fh) == -1 ) |
---|
| 686 | return -1; |
---|
| 687 | #else |
---|
[3869] | 688 | return -1; |
---|
[5792] | 689 | #endif |
---|
| 690 | } |
---|
[3869] | 691 | |
---|
[5231] | 692 | ROAR_DBG("roar_get_connection_fh(con=%p) = %i", con, fh); |
---|
[3869] | 693 | |
---|
[5231] | 694 | return fh; |
---|
[2043] | 695 | } |
---|
| 696 | |
---|
[3869] | 697 | struct roar_vio_calls * roar_get_connection_vio2 (struct roar_connection * con) { |
---|
[5608] | 698 | if ( con == NULL ) { |
---|
| 699 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[3869] | 700 | return NULL; |
---|
[5608] | 701 | } |
---|
[3869] | 702 | |
---|
| 703 | if ( con->flags & ROAR_CON_FLAGS_VIO ) |
---|
[5296] | 704 | return con->viocon; |
---|
[3869] | 705 | |
---|
| 706 | // TODO: try to open the VIO. |
---|
| 707 | |
---|
[5608] | 708 | roar_err_set(ROAR_ERROR_BADFH); |
---|
[3869] | 709 | return NULL; |
---|
| 710 | } |
---|
| 711 | |
---|
[5296] | 712 | const char * roar_get_connection_server(struct roar_connection * con) { |
---|
| 713 | if ( con == NULL ) { |
---|
| 714 | roar_err_set(ROAR_ERROR_FAULT); |
---|
| 715 | return NULL; |
---|
| 716 | } |
---|
| 717 | |
---|
| 718 | return con->server_name; |
---|
| 719 | } |
---|
| 720 | |
---|
| 721 | int roar_connectionref(struct roar_connection * con) { |
---|
| 722 | if ( con == NULL ) { |
---|
| 723 | roar_err_set(ROAR_ERROR_FAULT); |
---|
| 724 | return -1; |
---|
| 725 | } |
---|
| 726 | |
---|
| 727 | con->refc++; |
---|
| 728 | |
---|
| 729 | return 0; |
---|
| 730 | } |
---|
| 731 | |
---|
| 732 | int roar_connectionunref(struct roar_connection * con) { |
---|
[3869] | 733 | struct roar_vio_calls * vio; |
---|
[0] | 734 | struct roar_message m; |
---|
| 735 | |
---|
[5296] | 736 | if ( con == NULL ) { |
---|
| 737 | roar_err_set(ROAR_ERROR_FAULT); |
---|
| 738 | return -1; |
---|
| 739 | } |
---|
| 740 | |
---|
| 741 | con->refc--; |
---|
| 742 | |
---|
| 743 | if ( con->refc ) |
---|
| 744 | return 0; |
---|
| 745 | |
---|
[5841] | 746 | if ( con->flags & ROAR_CON_FLAGS_TERMINATE ) { |
---|
| 747 | if ( roar_terminate(con, 1) == -1 ) { |
---|
| 748 | ROAR_WARN("roar_connectionunref(con=%p{.server_name='%s'}): Can not terminate server as requested.", con, con->server_name); |
---|
[5843] | 749 | if ( roar_terminate(con, 0) == -1 ) { |
---|
| 750 | ROAR_ERR("roar_connectionunref(con=%p{.server_name='%s'}): Can not exit server. BAD.", con, con->server_name); |
---|
| 751 | } |
---|
[5841] | 752 | } |
---|
| 753 | } |
---|
| 754 | |
---|
[3875] | 755 | memset(&m, 0, sizeof(m)); |
---|
| 756 | |
---|
[5144] | 757 | m.datalen = 0; |
---|
| 758 | m.stream = -1; |
---|
| 759 | m.pos = 0; |
---|
[0] | 760 | m.cmd = ROAR_CMD_QUIT; |
---|
| 761 | |
---|
| 762 | roar_req(con, &m, NULL); |
---|
| 763 | |
---|
[3869] | 764 | if ( (vio = roar_get_connection_vio2(con)) != NULL ) { |
---|
| 765 | roar_vio_close(vio); |
---|
[2809] | 766 | } |
---|
[0] | 767 | |
---|
[5296] | 768 | if ( con->server_stds != NULL ) { |
---|
| 769 | roar_stds_free(con->server_stds); |
---|
| 770 | con->server_stds = NULL; |
---|
| 771 | } |
---|
[0] | 772 | |
---|
[5296] | 773 | if ( con->server_name != NULL ) { |
---|
| 774 | roar_mm_free(con->server_name); |
---|
| 775 | con->server_name = NULL; |
---|
| 776 | } |
---|
| 777 | |
---|
| 778 | if ( con->flags & ROAR_CON_FLAGS_FREESELF ) { |
---|
| 779 | roar_mm_free(con); |
---|
| 780 | } else { |
---|
| 781 | roar_connect_fh(con, -2); |
---|
| 782 | } |
---|
[807] | 783 | |
---|
[0] | 784 | return 0; |
---|
| 785 | } |
---|
| 786 | |
---|
[3913] | 787 | int roar_set_connection_callback(struct roar_connection * con, |
---|
| 788 | void (*cb)(struct roar_connection * con, |
---|
| 789 | struct roar_message * mes, |
---|
[5231] | 790 | void * data, |
---|
[3913] | 791 | void * userdata), |
---|
| 792 | void * userdata) { |
---|
[5465] | 793 | if ( con == NULL ) { |
---|
| 794 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[3913] | 795 | return -1; |
---|
[5465] | 796 | } |
---|
[3913] | 797 | |
---|
| 798 | con->cb = cb; |
---|
[5231] | 799 | con->cb_userdata = userdata; |
---|
[3913] | 800 | |
---|
| 801 | return 0; |
---|
| 802 | } |
---|
| 803 | |
---|
[5465] | 804 | int roar_set_connection_version(struct roar_connection * con, int version) { |
---|
| 805 | if ( con == NULL ) { |
---|
| 806 | roar_err_set(ROAR_ERROR_FAULT); |
---|
| 807 | return -1; |
---|
| 808 | } |
---|
| 809 | |
---|
| 810 | if ( version == -1 ) |
---|
| 811 | version = _ROAR_MESSAGE_VERSION; |
---|
| 812 | |
---|
| 813 | if ( version < 0 ) { |
---|
| 814 | roar_err_set(ROAR_ERROR_INVAL); |
---|
| 815 | return -1; |
---|
| 816 | } |
---|
| 817 | |
---|
| 818 | con->version = version; |
---|
| 819 | |
---|
| 820 | if ( version == 2 ) { |
---|
| 821 | con->flags |= ROAR_CON_FLAGS_SUPPORT_V2; |
---|
| 822 | } |
---|
| 823 | |
---|
| 824 | return 0; |
---|
| 825 | } |
---|
| 826 | |
---|
[5467] | 827 | int16_t roar_message_genseq(struct roar_connection * con, int is_client) { |
---|
| 828 | static int16_t store = 0; |
---|
| 829 | int16_t ret = 0; |
---|
| 830 | |
---|
| 831 | ret = store++; |
---|
| 832 | |
---|
[5468] | 833 | if ( ret == 0 ) |
---|
| 834 | ret = store++; |
---|
| 835 | |
---|
[5467] | 836 | if ( is_client == -1 ) { |
---|
| 837 | if ( con != NULL ) { |
---|
| 838 | is_client = con->flags & ROAR_CON_FLAGS_ISCLIENT ? 1 : 0; |
---|
| 839 | } |
---|
| 840 | } |
---|
| 841 | |
---|
| 842 | if ( is_client == -1 ) |
---|
| 843 | is_client = 1; |
---|
| 844 | |
---|
| 845 | ret |= 0x8000U; |
---|
| 846 | if ( !is_client ) |
---|
| 847 | ret -= 0x8000U; |
---|
| 848 | |
---|
| 849 | return ret; |
---|
| 850 | } |
---|
| 851 | |
---|
[3914] | 852 | int roar_sync (struct roar_connection * con) { |
---|
| 853 | // wait for any non-client reqs |
---|
| 854 | return roar_wait_msg(con, 0x0000, 0x8000); |
---|
| 855 | } |
---|
| 856 | |
---|
| 857 | int roar_wait_msg (struct roar_connection * con, int16_t seq, int16_t seqmask) { |
---|
[5148] | 858 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[3914] | 859 | return -1; |
---|
| 860 | } |
---|
[3913] | 861 | |
---|
[3836] | 862 | int roar_noop (struct roar_connection * con) { |
---|
| 863 | struct roar_message mes; |
---|
| 864 | |
---|
| 865 | if ( con == NULL ) { |
---|
[5148] | 866 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[3836] | 867 | return -1; |
---|
| 868 | } |
---|
| 869 | |
---|
| 870 | memset(&mes, 0, sizeof(mes)); |
---|
| 871 | |
---|
| 872 | mes.cmd = ROAR_CMD_NOOP; |
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[5144] | 873 | mes.stream = -1; |
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[3836] | 874 | |
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[5146] | 875 | return roar_req3(con, &mes, NULL); |
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[3836] | 876 | } |
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| 877 | |
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[5114] | 878 | int roar_identify (struct roar_connection * con, const char * name) { |
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[0] | 879 | struct roar_message mes; |
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[5132] | 880 | uint32_t pid; |
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[0] | 881 | int max_len; |
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| 882 | |
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[4873] | 883 | roar_err_set(ROAR_ERROR_UNKNOWN); |
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[807] | 884 | |
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[0] | 885 | ROAR_DBG("roar_identify(*): try to identify myself..."); |
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| 886 | |
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[3875] | 887 | memset(&mes, 0, sizeof(mes)); |
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| 888 | |
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[0] | 889 | mes.cmd = ROAR_CMD_IDENTIFY; |
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[5144] | 890 | mes.stream = -1; |
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| 891 | mes.pos = 0; |
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[0] | 892 | |
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| 893 | ROAR_DBG("roar_identify(*): name=%p", name); |
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| 894 | |
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| 895 | if ( name == NULL ) |
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| 896 | name = "libroar client"; |
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| 897 | |
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| 898 | ROAR_DBG("roar_identify(*): name=%p", name); |
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| 899 | |
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[5114] | 900 | max_len = roar_mm_strlen(name); |
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[0] | 901 | ROAR_DBG("roar_identify(*): strlen(name) = %i", max_len); |
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| 902 | |
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| 903 | if ( max_len > (LIBROAR_BUFFER_MSGDATA - 5) ) |
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| 904 | max_len = LIBROAR_BUFFER_MSGDATA - 5; |
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| 905 | |
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| 906 | mes.datalen = 5 + max_len; |
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| 907 | mes.data[0] = 1; |
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| 908 | |
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| 909 | pid = getpid(); |
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[5132] | 910 | mes.data[1] = (pid & 0xFF000000UL) >> 24; |
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| 911 | mes.data[2] = (pid & 0x00FF0000UL) >> 16; |
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| 912 | mes.data[3] = (pid & 0x0000FF00UL) >> 8; |
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| 913 | mes.data[4] = (pid & 0x000000FFUL) >> 0; |
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| 914 | ROAR_DBG("roar_identify(*): pid = %i", (int)pid); |
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[0] | 915 | |
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| 916 | strncpy(mes.data+5, name, max_len); |
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| 917 | |
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[5146] | 918 | return roar_req3(con, &mes, NULL); |
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[0] | 919 | } |
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| 920 | |
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| 921 | //ll |
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