| 1 | /* |
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| 2 | mediastreamer2 library - modular sound and video processing and streaming |
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| 3 | Copyright (C) 2006 Simon MORLAT (simon.morlat@linphone.org) |
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| 4 | |
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| 5 | This program is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU General Public License |
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| 7 | as published by the Free Software Foundation; either version 2 |
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| 8 | of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | This program is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | GNU General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU General Public License |
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| 16 | along with this program; if not, write to the Free Software |
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| 17 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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| 18 | */ |
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| 19 | |
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| 20 | #ifdef HAVE_CONFIG_H |
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| 21 | #include "mediastreamer-config.h" |
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| 22 | #endif |
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| 23 | |
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| 24 | #include "mediastreamer2/mscommon.h" |
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| 25 | #include "mediastreamer2/msfilter.h" |
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| 26 | |
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| 27 | #include "alldescs.h" |
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| 28 | #include "mediastreamer2/mssndcard.h" |
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| 29 | #include "mediastreamer2/mswebcam.h" |
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| 30 | |
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| 31 | #if !defined(_WIN32_WCE) |
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| 32 | #include <sys/types.h> |
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| 33 | #endif |
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| 34 | #ifndef WIN32 |
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| 35 | #include <dirent.h> |
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| 36 | #else |
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| 37 | #ifndef PACKAGE_PLUGINS_DIR |
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| 38 | #if defined(WIN32) || defined(_WIN32_WCE) |
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| 39 | #define PACKAGE_PLUGINS_DIR "plugins\\" |
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| 40 | #else |
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| 41 | #define PACKAGE_PLUGINS_DIR "." |
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| 42 | #endif |
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| 43 | #endif |
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| 44 | #endif |
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| 45 | #ifdef HAVE_DLOPEN |
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| 46 | #include <dlfcn.h> |
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| 47 | #endif |
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| 48 | |
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| 49 | #ifdef __APPLE__ |
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| 50 | #import <Cocoa/Cocoa.h> |
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| 51 | #include <Foundation/Foundation.h> |
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| 52 | #endif |
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| 53 | |
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| 54 | MSList *ms_list_new(void *data){ |
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| 55 | MSList *new_elem=(MSList *)ms_new(MSList,1); |
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| 56 | new_elem->prev=new_elem->next=NULL; |
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| 57 | new_elem->data=data; |
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| 58 | return new_elem; |
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| 59 | } |
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| 60 | |
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| 61 | MSList * ms_list_append(MSList *elem, void * data){ |
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| 62 | MSList *new_elem=ms_list_new(data); |
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| 63 | MSList *it=elem; |
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| 64 | if (elem==NULL) return new_elem; |
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| 65 | while (it->next!=NULL) it=ms_list_next(it); |
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| 66 | it->next=new_elem; |
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| 67 | new_elem->prev=it; |
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| 68 | return elem; |
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| 69 | } |
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| 70 | |
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| 71 | MSList * ms_list_prepend(MSList *elem, void *data){ |
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| 72 | MSList *new_elem=ms_list_new(data); |
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| 73 | if (elem!=NULL) { |
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| 74 | new_elem->next=elem; |
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| 75 | elem->prev=new_elem; |
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| 76 | } |
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| 77 | return new_elem; |
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| 78 | } |
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| 79 | |
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| 80 | |
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| 81 | MSList * ms_list_concat(MSList *first, MSList *second){ |
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| 82 | MSList *it=first; |
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| 83 | if (it==NULL) return second; |
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| 84 | while(it->next!=NULL) it=ms_list_next(it); |
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| 85 | it->next=second; |
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| 86 | second->prev=it; |
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| 87 | return first; |
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| 88 | } |
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| 89 | |
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| 90 | MSList * ms_list_free(MSList *list){ |
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| 91 | MSList *elem = list; |
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| 92 | MSList *tmp; |
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| 93 | if (list==NULL) return NULL; |
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| 94 | while(elem->next!=NULL) { |
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| 95 | tmp = elem; |
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| 96 | elem = elem->next; |
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| 97 | ms_free(tmp); |
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| 98 | } |
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| 99 | ms_free(elem); |
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| 100 | return NULL; |
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| 101 | } |
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| 102 | |
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| 103 | MSList * ms_list_remove(MSList *first, void *data){ |
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| 104 | MSList *it; |
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| 105 | it=ms_list_find(first,data); |
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| 106 | if (it) return ms_list_remove_link(first,it); |
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| 107 | else { |
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| 108 | ms_warning("ms_list_remove: no element with %p data was in the list", data); |
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| 109 | return first; |
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| 110 | } |
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| 111 | } |
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| 112 | |
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| 113 | int ms_list_size(const MSList *first){ |
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| 114 | int n=0; |
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| 115 | while(first!=NULL){ |
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| 116 | ++n; |
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| 117 | first=first->next; |
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| 118 | } |
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| 119 | return n; |
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| 120 | } |
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| 121 | |
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| 122 | void ms_list_for_each(const MSList *list, void (*func)(void *)){ |
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| 123 | for(;list!=NULL;list=list->next){ |
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| 124 | func(list->data); |
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| 125 | } |
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| 126 | } |
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| 127 | |
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| 128 | void ms_list_for_each2(const MSList *list, void (*func)(void *, void *), void *user_data){ |
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| 129 | for(;list!=NULL;list=list->next){ |
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| 130 | func(list->data,user_data); |
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| 131 | } |
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| 132 | } |
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| 133 | |
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| 134 | MSList *ms_list_remove_link(MSList *list, MSList *elem){ |
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| 135 | MSList *ret; |
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| 136 | if (elem==list){ |
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| 137 | ret=elem->next; |
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| 138 | elem->prev=NULL; |
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| 139 | elem->next=NULL; |
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| 140 | if (ret!=NULL) ret->prev=NULL; |
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| 141 | ms_free(elem); |
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| 142 | return ret; |
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| 143 | } |
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| 144 | elem->prev->next=elem->next; |
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| 145 | if (elem->next!=NULL) elem->next->prev=elem->prev; |
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| 146 | elem->next=NULL; |
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| 147 | elem->prev=NULL; |
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| 148 | ms_free(elem); |
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| 149 | return list; |
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| 150 | } |
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| 151 | |
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| 152 | MSList *ms_list_find(MSList *list, void *data){ |
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| 153 | for(;list!=NULL;list=list->next){ |
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| 154 | if (list->data==data) return list; |
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| 155 | } |
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| 156 | return NULL; |
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| 157 | } |
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| 158 | |
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| 159 | MSList *ms_list_find_custom(MSList *list, int (*compare_func)(const void *, const void*), void *user_data){ |
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| 160 | for(;list!=NULL;list=list->next){ |
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| 161 | if (compare_func(list->data,user_data)==0) return list; |
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| 162 | } |
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| 163 | return NULL; |
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| 164 | } |
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| 165 | |
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| 166 | void * ms_list_nth_data(const MSList *list, int index){ |
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| 167 | int i; |
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| 168 | for(i=0;list!=NULL;list=list->next,++i){ |
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| 169 | if (i==index) return list->data; |
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| 170 | } |
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| 171 | ms_error("ms_list_nth_data: no such index in list."); |
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| 172 | return NULL; |
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| 173 | } |
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| 174 | |
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| 175 | int ms_list_position(const MSList *list, MSList *elem){ |
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| 176 | int i; |
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| 177 | for(i=0;list!=NULL;list=list->next,++i){ |
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| 178 | if (elem==list) return i; |
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| 179 | } |
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| 180 | ms_error("ms_list_position: no such element in list."); |
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| 181 | return -1; |
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| 182 | } |
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| 183 | |
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| 184 | int ms_list_index(const MSList *list, void *data){ |
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| 185 | int i; |
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| 186 | for(i=0;list!=NULL;list=list->next,++i){ |
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| 187 | if (data==list->data) return i; |
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| 188 | } |
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| 189 | ms_error("ms_list_index: no such element in list."); |
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| 190 | return -1; |
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| 191 | } |
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| 192 | |
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| 193 | MSList *ms_list_insert_sorted(MSList *list, void *data, int (*compare_func)(const void *, const void*)){ |
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| 194 | MSList *it,*previt=NULL; |
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| 195 | MSList *nelem; |
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| 196 | MSList *ret=list; |
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| 197 | if (list==NULL) return ms_list_append(list,data); |
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| 198 | else{ |
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| 199 | nelem=ms_list_new(data); |
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| 200 | for(it=list;it!=NULL;it=it->next){ |
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| 201 | previt=it; |
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| 202 | if (compare_func(data,it->data)<=0){ |
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| 203 | nelem->prev=it->prev; |
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| 204 | nelem->next=it; |
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| 205 | if (it->prev!=NULL) |
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| 206 | it->prev->next=nelem; |
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| 207 | else{ |
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| 208 | ret=nelem; |
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| 209 | } |
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| 210 | it->prev=nelem; |
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| 211 | return ret; |
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| 212 | } |
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| 213 | } |
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| 214 | previt->next=nelem; |
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| 215 | nelem->prev=previt; |
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| 216 | } |
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| 217 | return ret; |
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| 218 | } |
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| 219 | |
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| 220 | MSList *ms_list_insert(MSList *list, MSList *before, void *data){ |
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| 221 | MSList *elem; |
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| 222 | if (list==NULL || before==NULL) return ms_list_append(list,data); |
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| 223 | for(elem=list;elem!=NULL;elem=ms_list_next(elem)){ |
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| 224 | if (elem==before){ |
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| 225 | if (elem->prev==NULL) |
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| 226 | return ms_list_prepend(list,data); |
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| 227 | else{ |
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| 228 | MSList *nelem=ms_list_new(data); |
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| 229 | nelem->prev=elem->prev; |
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| 230 | nelem->next=elem; |
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| 231 | elem->prev->next=nelem; |
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| 232 | elem->prev=nelem; |
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| 233 | } |
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| 234 | } |
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| 235 | } |
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| 236 | return list; |
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| 237 | } |
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| 238 | |
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| 239 | MSList *ms_list_copy(const MSList *list){ |
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| 240 | MSList *copy=NULL; |
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| 241 | const MSList *iter; |
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| 242 | for(iter=list;iter!=NULL;iter=ms_list_next(iter)){ |
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| 243 | copy=ms_list_append(copy,iter->data); |
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| 244 | } |
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| 245 | return copy; |
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| 246 | } |
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| 247 | |
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| 248 | |
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| 249 | #ifdef __APPLE__ |
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| 250 | #define PLUGINS_EXT ".dylib" |
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| 251 | #else |
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| 252 | #define PLUGINS_EXT ".so" |
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| 253 | #endif |
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| 254 | |
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| 255 | typedef void (*init_func_t)(void); |
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| 256 | |
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| 257 | int ms_load_plugins(const char *dir){ |
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| 258 | int num=0; |
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| 259 | #if defined(WIN32) && !defined(_WIN32_WCE) |
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| 260 | WIN32_FIND_DATA FileData; |
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| 261 | HANDLE hSearch; |
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| 262 | char szDirPath[1024]; |
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| 263 | char szPluginFile[1024]; |
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| 264 | BOOL fFinished = FALSE; |
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| 265 | |
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| 266 | snprintf(szDirPath, sizeof(szDirPath), "%s", dir); |
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| 267 | // Create a new directory. |
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| 268 | #if 0 |
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| 269 | if (!CreateDirectory(szDirPath, NULL)) |
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| 270 | { |
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| 271 | ms_message("plugins directory already exist (%s).", szDirPath); |
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| 272 | } |
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| 273 | #endif |
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| 274 | |
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| 275 | // Start searching for .TXT files in the current directory. |
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| 276 | |
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| 277 | snprintf(szDirPath, sizeof(szDirPath), "%s\\*.dll", dir); |
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| 278 | hSearch = FindFirstFile(szDirPath, &FileData); |
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| 279 | if (hSearch == INVALID_HANDLE_VALUE) |
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| 280 | { |
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| 281 | ms_message("no plugin (*.dll) found in %s.", szDirPath); |
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| 282 | return 0; |
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| 283 | } |
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| 284 | snprintf(szDirPath, sizeof(szDirPath), "%s", dir); |
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| 285 | |
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| 286 | while (!fFinished) |
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| 287 | { |
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| 288 | /* load library */ |
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| 289 | HINSTANCE os_handle; |
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| 290 | UINT em; |
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| 291 | em = SetErrorMode (SEM_FAILCRITICALERRORS); |
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| 292 | |
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| 293 | snprintf(szPluginFile, sizeof(szPluginFile), "%s\\%s", szDirPath, FileData.cFileName); |
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| 294 | os_handle = LoadLibraryEx (szPluginFile, NULL, LOAD_WITH_ALTERED_SEARCH_PATH); |
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| 295 | if (os_handle==NULL) |
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| 296 | { |
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| 297 | os_handle = LoadLibraryEx (szPluginFile, NULL, 0); |
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| 298 | } |
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| 299 | SetErrorMode (em); |
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| 300 | if (os_handle==NULL) |
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| 301 | ms_warning("Fail to load plugin %s", szPluginFile); |
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| 302 | else |
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| 303 | { |
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| 304 | init_func_t initroutine; |
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| 305 | char szPluginName[256]; |
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| 306 | char szMethodName[256]; |
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| 307 | snprintf(szPluginName, 256, "%s", FileData.cFileName); |
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| 308 | szPluginName[strlen(szPluginName)-4]='\0'; |
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| 309 | snprintf(szMethodName, 256, "%s_init", szPluginName); |
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| 310 | initroutine = (init_func_t) GetProcAddress (os_handle, szMethodName); |
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| 311 | if (initroutine!=NULL){ |
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| 312 | initroutine(); |
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| 313 | ms_message("Plugin loaded (%s)", szPluginFile); |
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| 314 | num++; |
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| 315 | }else{ |
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| 316 | ms_warning("Could not locate init routine of plugin %s", szPluginFile); |
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| 317 | } |
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| 318 | } |
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| 319 | |
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| 320 | |
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| 321 | if (!FindNextFile(hSearch, &FileData)) |
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| 322 | { |
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| 323 | if (GetLastError() == ERROR_NO_MORE_FILES) |
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| 324 | { |
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| 325 | fFinished = TRUE; |
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| 326 | } |
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| 327 | else |
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| 328 | { |
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| 329 | ms_error("couldn't find next plugin dll."); |
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| 330 | fFinished = TRUE; |
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| 331 | } |
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| 332 | } |
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| 333 | } |
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| 334 | |
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| 335 | // Close the search handle. |
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| 336 | |
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| 337 | FindClose(hSearch); |
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| 338 | |
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| 339 | #elif HAVE_DLOPEN |
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| 340 | DIR *ds; |
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| 341 | struct dirent *de; |
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| 342 | char *fullpath; |
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| 343 | ds=opendir(dir); |
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| 344 | if (ds==NULL){ |
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| 345 | ms_message("Cannot open directory %s: %s",dir,strerror(errno)); |
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| 346 | return -1; |
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| 347 | } |
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| 348 | while( (de=readdir(ds))!=NULL){ |
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| 349 | if ((de->d_type==DT_REG && strstr(de->d_name,PLUGINS_EXT)!=NULL) |
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| 350 | || (de->d_type==DT_UNKNOWN && strstr(de->d_name,PLUGINS_EXT)==de->d_name+strlen(de->d_name)-strlen(PLUGINS_EXT))) { |
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| 351 | void *handle; |
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| 352 | fullpath=ms_strdup_printf("%s/%s",dir,de->d_name); |
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| 353 | ms_message("Loading plugin %s...",fullpath); |
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| 354 | |
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| 355 | if ( (handle=dlopen(fullpath,RTLD_NOW))==NULL){ |
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| 356 | ms_warning("Fail to load plugin %s : %s",fullpath,dlerror()); |
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| 357 | }else { |
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| 358 | char *initroutine_name=ms_malloc0(strlen(de->d_name)+10); |
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| 359 | char *p; |
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| 360 | void *initroutine=NULL; |
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| 361 | strcpy(initroutine_name,de->d_name); |
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| 362 | p=strstr(initroutine_name,PLUGINS_EXT); |
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| 363 | if (p!=NULL) |
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| 364 | { |
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| 365 | strcpy(p,"_init"); |
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| 366 | initroutine=dlsym(handle,initroutine_name); |
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| 367 | } |
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| 368 | |
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| 369 | #ifdef __APPLE__ |
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| 370 | if (initroutine==NULL){ |
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| 371 | /* on macosx: library name are libxxxx.1.2.3.dylib */ |
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| 372 | /* -> MUST remove the .1.2.3 */ |
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| 373 | p=strstr(initroutine_name,"."); |
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| 374 | if (p!=NULL) |
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| 375 | { |
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| 376 | strcpy(p,"_init"); |
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| 377 | initroutine=dlsym(handle,initroutine_name); |
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| 378 | } |
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| 379 | } |
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| 380 | #endif |
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| 381 | |
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| 382 | if (initroutine!=NULL){ |
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| 383 | init_func_t func=(init_func_t)initroutine; |
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| 384 | func(); |
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| 385 | ms_message("Plugin loaded (%s)", fullpath); |
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| 386 | num++; |
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| 387 | }else{ |
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| 388 | ms_warning("Could not locate init routine of plugin %s",de->d_name); |
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| 389 | } |
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| 390 | ms_free(initroutine_name); |
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| 391 | } |
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| 392 | ms_free(fullpath); |
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| 393 | } |
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| 394 | } |
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| 395 | closedir(ds); |
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| 396 | #else |
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| 397 | ms_warning("no loadable plugin support: plugins cannot be loaded."); |
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| 398 | num=-1; |
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| 399 | #endif |
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| 400 | return num; |
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| 401 | } |
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| 402 | |
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| 403 | |
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| 404 | #ifdef __ALSA_ENABLED__ |
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| 405 | extern MSSndCardDesc alsa_card_desc; |
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| 406 | #endif |
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| 407 | |
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| 408 | #ifdef HAVE_SYS_SOUNDCARD_H |
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| 409 | extern MSSndCardDesc oss_card_desc; |
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| 410 | #endif |
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| 411 | |
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| 412 | #ifdef __ARTS_ENABLED__ |
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| 413 | extern MSSndCardDesc arts_card_desc; |
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| 414 | #endif |
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| 415 | |
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| 416 | #ifdef WIN32 |
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| 417 | extern MSSndCardDesc winsnd_card_desc; |
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| 418 | #endif |
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| 419 | |
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| 420 | #ifdef __DIRECTSOUND_ENABLED__ |
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| 421 | extern MSSndCardDesc winsndds_card_desc; |
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| 422 | #endif |
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| 423 | |
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| 424 | #ifdef __MACSND_ENABLED__ |
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| 425 | extern MSSndCardDesc ca_card_desc; |
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| 426 | #endif |
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| 427 | |
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| 428 | #ifdef __PORTAUDIO_ENABLED__ |
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| 429 | extern MSSndCardDesc pasnd_card_desc; |
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| 430 | #endif |
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| 431 | |
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| 432 | #ifdef __MAC_AQ_ENABLED__ |
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| 433 | extern MSSndCardDesc aq_card_desc; |
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| 434 | #endif |
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| 435 | |
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| 436 | static MSSndCardDesc * ms_snd_card_descs[]={ |
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| 437 | #ifdef __ALSA_ENABLED__ |
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| 438 | &alsa_card_desc, |
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| 439 | #endif |
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| 440 | #ifdef HAVE_SYS_SOUNDCARD_H |
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| 441 | &oss_card_desc, |
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| 442 | #endif |
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| 443 | #ifdef __ARTS_ENABLED__ |
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| 444 | &arts_card_desc, |
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| 445 | #endif |
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| 446 | #ifdef WIN32 |
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| 447 | &winsnd_card_desc, |
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| 448 | #endif |
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| 449 | #ifdef __DIRECTSOUND_ENABLED__ |
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| 450 | &winsndds_card_desc, |
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| 451 | #endif |
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| 452 | #ifdef __PORTAUDIO_ENABLED__ |
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| 453 | &pasnd_card_desc, |
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| 454 | #endif |
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| 455 | #ifdef __MACSND_ENABLED__ |
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| 456 | &ca_card_desc, |
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| 457 | #endif |
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| 458 | #ifdef __MAC_AQ_ENABLED__ |
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| 459 | &aq_card_desc, |
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| 460 | #endif |
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| 461 | NULL |
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| 462 | }; |
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| 463 | |
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| 464 | #ifdef VIDEO_ENABLED |
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| 465 | |
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| 466 | #ifdef __linux |
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| 467 | extern MSWebCamDesc v4l_desc; |
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| 468 | #endif |
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| 469 | |
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| 470 | #ifdef HAVE_LINUX_VIDEODEV2_H |
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| 471 | extern MSWebCamDesc v4l2_desc; |
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| 472 | #endif |
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| 473 | |
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| 474 | #ifdef WIN32 |
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| 475 | extern MSWebCamDesc ms_vfw_cam_desc; |
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| 476 | #endif |
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| 477 | #if defined(WIN32) && defined(HAVE_DIRECTSHOW) |
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| 478 | extern MSWebCamDesc ms_directx_cam_desc; |
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| 479 | #endif |
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| 480 | |
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| 481 | extern MSWebCamDesc static_image_desc; |
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| 482 | extern MSWebCamDesc mire_desc; |
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| 483 | |
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| 484 | static MSWebCamDesc * ms_web_cam_descs[]={ |
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| 485 | #ifdef HAVE_LINUX_VIDEODEV2_H |
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| 486 | &v4l2_desc, |
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| 487 | #endif |
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| 488 | #ifdef __linux |
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| 489 | &v4l_desc, |
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| 490 | #endif |
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| 491 | #if defined(WIN32) && defined(HAVE_DIRECTSHOW) |
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| 492 | &ms_directx_cam_desc, |
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| 493 | #endif |
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| 494 | #if defined(WIN32) && !defined(HAVE_DIRECTSHOW) |
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| 495 | &ms_vfw_cam_desc, |
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| 496 | #endif |
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| 497 | &mire_desc, |
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| 498 | &static_image_desc, |
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| 499 | NULL |
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| 500 | }; |
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| 501 | |
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| 502 | #endif |
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| 503 | |
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| 504 | void ms_init(){ |
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| 505 | int i; |
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| 506 | MSSndCardManager *cm; |
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| 507 | #ifdef __APPLE__ |
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| 508 | NSApplicationLoad(); |
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| 509 | #endif |
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| 510 | |
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| 511 | #if !defined(_WIN32_WCE) |
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| 512 | if (getenv("MEDIASTREAMER_DEBUG")!=NULL){ |
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| 513 | ortp_set_log_level_mask(ORTP_DEBUG|ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL); |
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| 514 | } |
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| 515 | #endif |
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| 516 | ms_message("Registering all filters..."); |
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| 517 | /* register builtin MSFilter's */ |
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| 518 | for (i=0;ms_filter_descs[i]!=NULL;i++){ |
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| 519 | ms_filter_register(ms_filter_descs[i]); |
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| 520 | } |
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| 521 | ms_message("Registering all soundcard handlers"); |
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| 522 | cm=ms_snd_card_manager_get(); |
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| 523 | for (i=0;ms_snd_card_descs[i]!=NULL;i++){ |
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| 524 | ms_snd_card_manager_register_desc(cm,ms_snd_card_descs[i]); |
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| 525 | } |
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| 526 | |
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| 527 | #ifdef VIDEO_ENABLED |
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| 528 | ms_message("Registering all webcam handlers"); |
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| 529 | { |
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| 530 | MSWebCamManager *wm; |
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| 531 | wm=ms_web_cam_manager_get(); |
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| 532 | for (i=0;ms_web_cam_descs[i]!=NULL;i++){ |
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| 533 | ms_web_cam_manager_register_desc(wm,ms_web_cam_descs[i]); |
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| 534 | } |
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| 535 | } |
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| 536 | #endif |
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| 537 | ms_message("Loading plugins"); |
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| 538 | ms_load_plugins(PACKAGE_PLUGINS_DIR); |
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| 539 | ms_message("ms_init() done"); |
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| 540 | } |
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| 541 | |
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| 542 | void ms_exit(){ |
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| 543 | ms_filter_unregister_all(); |
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| 544 | ms_snd_card_manager_destroy(); |
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| 545 | #ifdef VIDEO_ENABLED |
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| 546 | ms_web_cam_manager_destroy(); |
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| 547 | #endif |
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| 548 | } |
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| 549 | |
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| 550 | void ms_reload_snd_card(MSSndCardDesc *snd_desc){ |
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| 551 | MSSndCardManager *cm; |
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| 552 | int i; |
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| 553 | |
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| 554 | ms_snd_card_manager_destroy(); |
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| 555 | |
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| 556 | ms_message("Registering all soundcard handlers"); |
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| 557 | if (snd_desc!=NULL) |
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| 558 | { |
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| 559 | cm=ms_snd_card_manager_get(); |
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| 560 | if (cm!=NULL) |
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| 561 | ms_snd_card_manager_register_desc(cm,snd_desc); |
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| 562 | return; |
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| 563 | } |
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| 564 | |
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| 565 | /*register SndCardDesc */ |
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| 566 | cm=ms_snd_card_manager_get(); |
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| 567 | for (i=0;ms_snd_card_descs[i]!=NULL;i++){ |
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| 568 | ms_snd_card_manager_register_desc(cm,ms_snd_card_descs[i]); |
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| 569 | } |
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| 570 | |
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| 571 | return; |
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| 572 | } |
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| 573 | |
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| 574 | void ms_sleep(int seconds){ |
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| 575 | #ifdef WIN32 |
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| 576 | Sleep(seconds*1000); |
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| 577 | #else |
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| 578 | struct timespec ts,rem; |
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| 579 | int err; |
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| 580 | ts.tv_sec=seconds; |
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| 581 | ts.tv_nsec=0; |
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| 582 | do { |
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| 583 | err=nanosleep(&ts,&rem); |
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| 584 | ts=rem; |
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| 585 | }while(err==-1 && errno==EINTR); |
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| 586 | #endif |
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| 587 | } |
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| 588 | |
|---|
| 589 | #define DEFAULT_MAX_PAYLOAD_SIZE 1440 |
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| 590 | |
|---|
| 591 | static int max_payload_size=DEFAULT_MAX_PAYLOAD_SIZE; |
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| 592 | |
|---|
| 593 | int ms_get_payload_max_size(){ |
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| 594 | return max_payload_size; |
|---|
| 595 | } |
|---|
| 596 | |
|---|
| 597 | void ms_set_payload_max_size(int size){ |
|---|
| 598 | if (size<=0) size=DEFAULT_MAX_PAYLOAD_SIZE; |
|---|
| 599 | max_payload_size=size; |
|---|
| 600 | } |
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