[0] | 1 | //network.c: |
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| 2 | |
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[668] | 3 | /* |
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[4708] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2011 |
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[668] | 5 | * |
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| 6 | * This file is part of roard 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 | * RoarAudio 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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[668] | 23 | * |
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| 24 | */ |
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| 25 | |
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[0] | 26 | #include "roard.h" |
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| 27 | |
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[1494] | 28 | #ifdef ROAR_SUPPORT_LISTEN |
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| 29 | |
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[1055] | 30 | #ifdef ROAR_BROKEN_PEERCRED |
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| 31 | #undef SO_PEERCRED |
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| 32 | #endif |
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| 33 | |
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[1484] | 34 | #ifdef ROAR_HAVE_SELECT |
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| 35 | #define _CAN_OPERATE |
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| 36 | #endif |
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| 37 | |
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[0] | 38 | int net_check_listen (void) { |
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[3802] | 39 | struct roar_vio_selecttv rtv; |
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| 40 | struct roar_vio_select sv[ROAR_MAX_LISTEN_SOCKETS]; |
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| 41 | size_t num = 0; |
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| 42 | ssize_t ret; |
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[2530] | 43 | int i; |
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| 44 | |
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| 45 | for (i = 0; i < ROAR_MAX_LISTEN_SOCKETS; i++) { |
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[3802] | 46 | if ( g_listen[i].used ) { |
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| 47 | ROAR_VIO_SELECT_SETVIO(&(sv[num]), &(g_listen[i].sock), ROAR_VIO_SELECT_READ); |
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| 48 | sv[num].ud.si = i; |
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| 49 | num++; |
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[2530] | 50 | } |
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| 51 | } |
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| 52 | |
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[3802] | 53 | if ( num == 0 ) |
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[2530] | 54 | return 0; |
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[0] | 55 | |
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[3802] | 56 | rtv.sec = 0; |
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| 57 | rtv.nsec = 1000; |
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[0] | 58 | |
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[3802] | 59 | if ( (ret = roar_vio_select(sv, num, &rtv, NULL)) > 0 ) { |
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| 60 | for (i = 0; i < num; i++) { |
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| 61 | if ( sv[i].eventsa & ROAR_VIO_SELECT_READ ) { |
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| 62 | if ( net_get_new_client(&(g_listen[sv[i].ud.si])) == -1 ) |
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| 63 | return -1; |
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[2530] | 64 | } |
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| 65 | } |
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[0] | 66 | } |
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| 67 | |
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[3802] | 68 | return ret; |
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[0] | 69 | } |
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| 70 | |
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[3253] | 71 | int net_get_new_client (struct roard_listen * lsock) { |
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[0] | 72 | int fh; |
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| 73 | int client; |
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[3802] | 74 | int socket; |
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[1183] | 75 | struct roar_client * c; |
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[2815] | 76 | struct roar_vio_calls vio; |
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| 77 | struct sockaddr_storage addr; |
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| 78 | socklen_t addrlen = sizeof(addr); |
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[4683] | 79 | size_t i; |
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| 80 | int supported = 0; |
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[0] | 81 | |
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[3912] | 82 | if ( roar_vio_ctl(&(lsock->sock), ROAR_VIO_CTL_GET_FH, &socket) == -1 ) { |
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| 83 | // next is needed for winsock: |
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| 84 | if ( roar_vio_ctl(&(lsock->sock), ROAR_VIO_CTL_GET_SELECT_FH, &socket) == -1 ) { |
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| 85 | ROAR_DBG("net_get_new_client(void) = -1 // can not find any acceptable socket to accept() on"); |
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| 86 | return -1; |
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| 87 | } |
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| 88 | } |
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[3802] | 89 | |
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| 90 | fh = accept(socket, (struct sockaddr*)&addr, &addrlen); |
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[0] | 91 | |
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| 92 | ROAR_DBG("net_get_new_client(void): fh = %i", fh); |
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| 93 | |
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[4228] | 94 | if ( fh == -1 ) |
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| 95 | return -1; |
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| 96 | |
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[3684] | 97 | #ifndef ROAR_WITHOUT_DCOMP_EMUL_RSOUND |
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| 98 | if ( lsock->proto == ROAR_PROTO_RSOUND ) { |
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| 99 | client = emul_rsound_on_connect(fh, lsock); |
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| 100 | switch (client) { |
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| 101 | case -1: return -1; break; |
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| 102 | case -2: return 0; break; |
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| 103 | default: // TODO: write error handling |
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| 104 | clients_get(client, &c); |
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| 105 | fh = c->fh; |
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| 106 | break; |
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| 107 | } |
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| 108 | } else { |
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| 109 | #endif |
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| 110 | |
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[0] | 111 | client = clients_new(); |
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| 112 | |
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[3910] | 113 | if ( client == -1 ) { |
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| 114 | ROAR_DBG("net_get_new_client(void) = -1 // can not create new client"); |
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[3911] | 115 | close(fh); |
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[3910] | 116 | return -1; |
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| 117 | } |
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| 118 | |
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[0] | 119 | if ( clients_set_fh(client, fh) == -1 ) { |
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| 120 | ROAR_ERR("net_get_new_client(void): Can not set client's fh"); |
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| 121 | |
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| 122 | clients_delete(client); |
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| 123 | close(fh); |
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| 124 | |
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| 125 | ROAR_DBG("net_get_new_client(void) = -1"); |
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| 126 | return -1; |
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| 127 | } |
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[3684] | 128 | #ifndef ROAR_WITHOUT_DCOMP_EMUL_RSOUND |
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| 129 | } |
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| 130 | #endif |
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[0] | 131 | |
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[2820] | 132 | if ( clients_get(client, &c) != -1 ) { |
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| 133 | if ( roar_nnode_free(&(c->nnode)) == -1 ) |
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| 134 | return -1; |
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[2815] | 135 | |
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[2820] | 136 | if ( roar_nnode_new_from_sockaddr(&(c->nnode), (struct sockaddr*)&addr, addrlen) == -1 ) |
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| 137 | return -1; |
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| 138 | } |
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[2815] | 139 | |
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[3253] | 140 | ROAR_DBG("net_get_new_client(*): proto=0x%.4x", lsock->proto); |
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[2530] | 141 | |
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[3253] | 142 | if ( clients_set_proto(client, lsock->proto) == -1 ) { |
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| 143 | ROAR_WARN("net_get_new_client(*): Setting proto(0x%.4x) of client %i failed.", lsock->proto, client); |
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[2529] | 144 | return -1; |
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[2789] | 145 | } |
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[2529] | 146 | |
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[3253] | 147 | switch (lsock->proto) { |
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[2789] | 148 | case ROAR_PROTO_ROARAUDIO: |
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| 149 | // nothing needed to be done here |
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| 150 | break; |
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[2545] | 151 | #ifndef ROAR_WITHOUT_DCOMP_EMUL_ESD |
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[2791] | 152 | #ifdef ROAR_HAVE_H_ESD |
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[2530] | 153 | case ROAR_PROTO_ESOUND: |
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[2789] | 154 | ROAR_DBG("net_get_new_client(*): execing ESD CONNECT command"); |
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| 155 | |
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| 156 | if ( roar_vio_open_fh_socket(&vio, fh) == -1 ) |
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[2530] | 157 | return -1; |
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[2529] | 158 | |
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[2789] | 159 | ROAR_DBG("net_get_new_client(*): creating VIO OK"); |
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| 160 | |
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[2530] | 161 | if ( emul_esd_exec_command(client, ESD_PROTO_CONNECT, &vio) == -1 ) |
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| 162 | return -1; |
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[2789] | 163 | |
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| 164 | ROAR_DBG("net_get_new_client(*): CONNECT execed sucessfully"); |
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[2530] | 165 | break; |
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[2545] | 166 | #endif |
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[3359] | 167 | #endif |
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[3603] | 168 | #ifndef ROAR_WITHOUT_DCOMP_EMUL_SIMPLE |
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[3253] | 169 | case ROAR_PROTO_SIMPLE: |
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[3255] | 170 | if ( emul_simple_on_connect(client, lsock) == -1 ) |
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| 171 | return -1; |
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[3253] | 172 | break; |
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[3596] | 173 | #endif |
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[3684] | 174 | #ifndef ROAR_WITHOUT_DCOMP_EMUL_RSOUND |
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| 175 | case ROAR_PROTO_RSOUND: // nothing to do here. |
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| 176 | break; |
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| 177 | #endif |
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[3981] | 178 | #ifndef ROAR_WITHOUT_DCOMP_EMUL_RPLAY |
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| 179 | case ROAR_PROTO_RPLAY: // nothing to do here. |
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[3984] | 180 | |
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| 181 | if ( roar_vio_open_fh_socket(&vio, fh) == -1 ) |
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| 182 | return -1; |
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| 183 | |
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| 184 | if ( emul_rplay_on_status(client, NULL, &vio, NULL, 0) == -1 ) |
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| 185 | return -1; |
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[3981] | 186 | break; |
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| 187 | #endif |
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[2789] | 188 | default: |
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| 189 | // OS independiend code to close the socket: |
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| 190 | if ( roar_vio_open_fh_socket(&vio, fh) == -1 ) |
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| 191 | return -1; |
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[4683] | 192 | |
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| 193 | for (i = 0; g_proto[i].proto != -1; i++) { |
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[4685] | 194 | //printf("g_proto[i=%i].proto=%i, lsock->proto=%i\n", (int)i, g_proto[i].proto, lsock->proto); |
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[4683] | 195 | if ( g_proto[i].proto == lsock->proto ) { |
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| 196 | supported = 1; |
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| 197 | if ( g_proto[i].new_client != NULL ) { |
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| 198 | if ( g_proto[i].new_client(client, &vio, lsock) == -1 ) { |
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| 199 | supported = 0; |
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| 200 | } |
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| 201 | } |
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| 202 | } |
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| 203 | } |
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| 204 | |
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| 205 | if ( !supported ) { |
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| 206 | clients_delete(client); |
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| 207 | //roar_vio_close(&vio); |
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| 208 | return -1; |
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| 209 | } |
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[2789] | 210 | break; |
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[2530] | 211 | } |
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[2529] | 212 | |
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[0] | 213 | // close(fh); |
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| 214 | |
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| 215 | return 0; |
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| 216 | } |
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| 217 | |
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[1494] | 218 | #endif |
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| 219 | |
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[0] | 220 | //ll |
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