[88] | 1 | //meta.c: |
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| 2 | |
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| 3 | #include "roard.h" |
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| 4 | |
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[90] | 5 | int stream_meta_set (int id, int type, char * name, char * val) { |
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| 6 | int i; |
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| 7 | struct roar_stream_server * s = g_streams[id]; |
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| 8 | |
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| 9 | if ( s == NULL ) |
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| 10 | return -1; |
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| 11 | |
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| 12 | for (i = 0; i < ROAR_META_MAX_PER_STREAM; i++) |
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| 13 | if ( s->meta[i].type == type ) { |
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| 14 | s->meta[i].type = ROAR_META_TYPE_NONE; |
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| 15 | if ( s->meta[i].value ) |
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| 16 | free(s->meta[i].value); |
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| 17 | s->meta[i].value = NULL; |
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| 18 | } |
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| 19 | |
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| 20 | return stream_meta_add(id, type, name, val); |
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| 21 | } |
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| 22 | |
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| 23 | int stream_meta_add (int id, int type, char * name, char * val) { |
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| 24 | int i; |
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| 25 | char * c; |
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| 26 | struct roar_stream_server * s = g_streams[id]; |
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| 27 | |
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| 28 | if ( s == NULL ) |
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| 29 | return -1; |
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| 30 | |
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| 31 | for (i = 0; i < ROAR_META_MAX_PER_STREAM; i++) { |
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| 32 | if ( s->meta[i].type == ROAR_META_TYPE_NONE ) { |
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| 33 | s->meta[i].type = type; |
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| 34 | |
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| 35 | if ( name == NULL ) { |
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| 36 | s->meta[i].key[0] = 0; |
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| 37 | } else { |
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| 38 | strncpy(s->meta[i].key, name, ROAR_META_MAX_NAMELEN); |
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| 39 | } |
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| 40 | |
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[107] | 41 | if ( (c = malloc(strlen(val)+1)) == NULL ) { |
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[90] | 42 | s->meta[i].type = ROAR_META_TYPE_NONE; |
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| 43 | s->meta[i].key[0] = 0; |
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| 44 | return -1; |
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| 45 | } |
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| 46 | |
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| 47 | strcpy(c, val); |
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| 48 | s->meta[i].value = c; |
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| 49 | |
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[96] | 50 | ROAR_DBG("stream_meta_add(id=%i, type=%i, name='%s', val='%s') = 0", id, type, name, val); |
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| 51 | |
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[90] | 52 | return 0; |
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| 53 | } |
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| 54 | } |
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| 55 | |
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| 56 | return -1; |
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| 57 | } |
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| 58 | |
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| 59 | int stream_meta_get (int id, int type, char * name, char * val, size_t len) { |
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[107] | 60 | int i, vallen; |
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[90] | 61 | struct roar_stream_server * s = g_streams[id]; |
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| 62 | |
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| 63 | if ( s == NULL ) |
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| 64 | return -1; |
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| 65 | |
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| 66 | for (i = 0; i < ROAR_META_MAX_PER_STREAM; i++) { |
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| 67 | if ( s->meta[i].type == type ) { |
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| 68 | if ( name != NULL ) |
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| 69 | if ( strncmp(s->meta[i].key, name, ROAR_META_MAX_NAMELEN) != 0 ) |
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| 70 | continue; |
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| 71 | |
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[113] | 72 | if ( s->meta[i].value == NULL ) |
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| 73 | return -1; |
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| 74 | |
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[107] | 75 | if ( (vallen = strlen(s->meta[i].value)) > (len - 1) ) { |
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| 76 | ROAR_DBG("stream_meta_get(*): val too small: need %i have %i", vallen, len); |
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[90] | 77 | return -1; |
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[107] | 78 | } |
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[90] | 79 | |
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[107] | 80 | strncpy(val, s->meta[i].value, vallen); |
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| 81 | val[vallen] = 0; |
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[90] | 82 | |
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| 83 | return 0; |
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| 84 | } |
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| 85 | } |
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| 86 | |
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| 87 | return -1; |
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| 88 | } |
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| 89 | |
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[113] | 90 | int stream_meta_list (int id, int * types, size_t len) { |
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| 91 | int i, j; |
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| 92 | int have = 0; |
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| 93 | int found; |
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| 94 | struct roar_stream_server * s = g_streams[id]; |
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| 95 | |
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| 96 | if ( s == NULL ) |
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| 97 | return -1; |
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| 98 | |
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| 99 | if ( len < ROAR_META_MAX_PER_STREAM ) // TODO: find a way we do not need this |
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| 100 | return -1; |
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| 101 | |
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| 102 | types[0] = -1; |
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| 103 | |
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| 104 | for (i = 0; i < ROAR_META_MAX_PER_STREAM; i++) { |
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| 105 | found = 0; |
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| 106 | for (j = 0; j < have; j++) |
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| 107 | if ( types[j] == s->meta[i].type ) { |
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| 108 | found = 1; |
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| 109 | break; |
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| 110 | } |
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| 111 | |
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| 112 | if ( !found ) |
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| 113 | types[have++] = s->meta[i].type; |
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| 114 | } |
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| 115 | |
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| 116 | return have; |
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| 117 | } |
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| 118 | |
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[90] | 119 | int stream_meta_clear (int id) { |
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| 120 | int i; |
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| 121 | struct roar_stream_server * s = g_streams[id]; |
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| 122 | |
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| 123 | if ( s == NULL ) |
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| 124 | return -1; |
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| 125 | |
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| 126 | for (i = 0; i < ROAR_META_MAX_PER_STREAM; i++) { |
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| 127 | s->meta[i].type = ROAR_META_TYPE_NONE; |
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| 128 | if ( s->meta[i].value ) |
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| 129 | free(s->meta[i].value); |
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| 130 | s->meta[i].value = NULL; |
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| 131 | s->meta[i].key[0] = 0; |
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| 132 | } |
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| 133 | |
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| 134 | return 0; |
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| 135 | } |
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| 136 | |
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[88] | 137 | //ll |
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