1 | //protocol-echo.c: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2011-2012 |
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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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21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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22 | * Boston, MA 02110-1301, USA. |
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23 | * |
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24 | */ |
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25 | |
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26 | #include <roaraudio.h> |
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27 | |
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28 | static int _handle(int client, struct roar_vio_calls * vio, struct roar_buffer ** obuffer, void ** userdata, const struct roar_keyval * protopara, ssize_t protoparalen, struct roar_dl_librarypara * pluginpara) { |
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29 | struct roar_buffer * buf; |
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30 | void * data; |
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31 | ssize_t len; |
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32 | |
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33 | (void)client, (void)userdata, (void)protopara, (void)protoparalen, (void)pluginpara; |
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34 | |
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35 | ROAR_DBG("_handle(client=%i, vio=%p) = ?", client, vio); |
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36 | |
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37 | if ( roar_buffer_new_data(&buf, 1024, &data) == -1 ) |
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38 | return -1; |
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39 | |
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40 | len = roar_vio_read(vio, data, 1024); |
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41 | if ( len < 1 ) { |
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42 | ROAR_DBG("_handle(client=%i, vio=%p) = -1 // error=%s(%i)", client, vio, roar_errorstring, roar_error); |
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43 | return -1; |
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44 | } |
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45 | |
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46 | if ( roar_buffer_set_len(buf, len) == -1 ) { |
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47 | ROAR_DBG("_handle(client=%i, vio=%p) = -1 // error=%s(%i)", client, vio, roar_errorstring, roar_error); |
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48 | roar_buffer_free(buf); |
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49 | return -1; |
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50 | } |
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51 | |
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52 | if ( roar_buffer_moveintoqueue(obuffer, &buf) == -1 ) |
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53 | return -1; |
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54 | |
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55 | ROAR_DBG("_handle(client=%i, vio=%p) = 0", client, vio); |
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56 | return 0; |
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57 | } |
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58 | |
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59 | |
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60 | static const struct roar_dl_proto proto = { |
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61 | .proto = ROAR_PROTO_ECHO, |
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62 | .description = "Send all data send to the server back to the client", |
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63 | .flags = ROAR_DL_PROTO_FLAGS_NONE, |
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64 | .set_proto = NULL, |
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65 | .unset_proto = NULL, |
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66 | .handle = _handle, |
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67 | .flush = NULL, |
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68 | .flushed = NULL, |
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69 | .status = NULL |
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70 | }; |
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71 | |
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72 | static int __reg_proto(struct roar_dl_librarypara * para, struct roar_dl_libraryinst * lib) { |
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73 | (void)para, (void)lib; |
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74 | ROAR_DL_PLUGIN_REG_FN(ROAR_DL_PROTO_SUBTYPE, proto, ROAR_DL_PROTO_VERSION); |
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75 | return 0; |
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76 | } |
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77 | |
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78 | ROAR_DL_PLUGIN_START(protocol_echo) { |
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79 | ROAR_DL_PLUGIN_META_PRODUCT_NIV("protocol-echo", ROAR_VID_ROARAUDIO, ROAR_VNAME_ROARAUDIO); |
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80 | ROAR_DL_PLUGIN_META_VERSION(ROAR_VERSION_STRING); |
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81 | ROAR_DL_PLUGIN_META_LICENSE_TAG(GPLv3_0); |
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82 | ROAR_DL_PLUGIN_META_CONTACT_FLNE("Philipp", "Schafft", "ph3-der-loewe", "lion@lion.leolix.org"); |
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83 | ROAR_DL_PLUGIN_META_DESC("Implementation of a dummy protocol sending all data back to the sender"); |
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84 | |
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85 | ROAR_DL_PLUGIN_REG(ROAR_DL_FN_PROTO, __reg_proto); |
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86 | } ROAR_DL_PLUGIN_END |
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87 | |
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88 | //ll |
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