[0] | 1 | //clients.c: |
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| 2 | |
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| 3 | #include "roard.h" |
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| 4 | |
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| 5 | int clients_init (void) { |
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| 6 | int i; |
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| 7 | |
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| 8 | for (i = 0; i < ROAR_CLIENTS_MAX; i++) |
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| 9 | g_clients[i] = NULL; |
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| 10 | |
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| 11 | return 0; |
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| 12 | } |
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| 13 | |
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| 14 | int clients_free (void) { |
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| 15 | int i; |
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| 16 | |
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| 17 | for (i = 0; i < ROAR_CLIENTS_MAX; i++) |
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| 18 | if ( g_clients[i] ) |
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| 19 | clients_delete(i); |
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| 20 | |
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| 21 | return 0; |
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| 22 | } |
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| 23 | |
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| 24 | int clients_new (void) { |
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| 25 | int i; |
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| 26 | int s; |
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| 27 | struct roar_client * n; |
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| 28 | |
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| 29 | for (i = 0; i < ROAR_CLIENTS_MAX; i++) { |
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| 30 | if ( g_clients[i] == NULL ) { |
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| 31 | n = malloc(sizeof(struct roar_client)); |
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| 32 | if ( n != NULL ) { |
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| 33 | n->pid = -1; |
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| 34 | n->fh = -1; |
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| 35 | |
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| 36 | *n->name = 0; |
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| 37 | *n->host = 0; |
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| 38 | |
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| 39 | n->execed = -1; |
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| 40 | for (s = 0; s < ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; s++) |
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| 41 | n->streams[s] = -1; |
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| 42 | |
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| 43 | g_clients[i] = n; |
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| 44 | |
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| 45 | ROAR_DBG("clients_new(void) = %i", i); |
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| 46 | return i; |
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| 47 | } else { |
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| 48 | ROAR_ERR("clients_new(void): Can not alloc memory for new client: %s", strerror(errno)); |
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| 49 | ROAR_ERR("clients_new(void) = -1"); |
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| 50 | return -1; |
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| 51 | } |
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| 52 | } |
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| 53 | } |
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| 54 | |
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| 55 | return -1; |
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| 56 | } |
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| 57 | |
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| 58 | int clients_delete (int id) { |
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| 59 | int i; |
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| 60 | |
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| 61 | if ( g_clients[id] == NULL ) |
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| 62 | return -1; |
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| 63 | |
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| 64 | if (g_clients[id]->execed != -1) { |
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| 65 | // return streams_delete(g_clients[id]->execed); |
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| 66 | g_clients[id]->execed = -1; |
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| 67 | } |
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| 68 | |
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| 69 | for (i = 0; i < ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; i++) { |
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| 70 | streams_delete(g_clients[id]->streams[i]); |
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| 71 | } |
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| 72 | |
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| 73 | if ( g_clients[id]->fh != -1 ) |
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| 74 | close(g_clients[id]->fh); |
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| 75 | |
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| 76 | free(g_clients[id]); |
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| 77 | g_clients[id] = NULL; |
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| 78 | |
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| 79 | ROAR_DBG("clients_delete(id=%i) = 0", id); |
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| 80 | return 0; |
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| 81 | } |
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| 82 | |
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| 83 | int clients_get (int id, struct roar_client ** client) { |
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| 84 | *client = g_clients[id]; |
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| 85 | |
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| 86 | if ( *client == NULL ) |
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| 87 | return -1; |
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| 88 | |
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| 89 | return 0; |
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| 90 | } |
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| 91 | |
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| 92 | int clients_set_fh (int id, int fh) { |
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| 93 | if ( g_clients[id] == NULL ) |
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| 94 | return -1; |
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| 95 | |
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| 96 | g_clients[id]->fh = fh; |
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| 97 | |
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| 98 | return 0; |
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| 99 | } |
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| 100 | |
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| 101 | int clients_set_pid (int id, int pid) { |
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| 102 | if ( g_clients[id] == NULL ) |
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| 103 | return -1; |
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| 104 | |
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| 105 | g_clients[id]->pid = pid; |
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| 106 | |
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| 107 | return 0; |
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| 108 | } |
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| 109 | |
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| 110 | int clients_check_all (void) { |
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| 111 | struct timeval tv; |
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| 112 | fd_set r, e; |
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[66] | 113 | int i, j; |
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[0] | 114 | int ret; |
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| 115 | int fh; |
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| 116 | int max_fh = -1; |
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| 117 | |
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| 118 | FD_ZERO(&r); |
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| 119 | FD_ZERO(&e); |
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| 120 | |
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| 121 | tv.tv_sec = 0; |
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| 122 | tv.tv_usec = 1; |
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| 123 | |
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| 124 | for (i = 0; i < ROAR_CLIENTS_MAX; i++) { |
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| 125 | if ( g_clients[i] == NULL ) |
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| 126 | continue; |
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| 127 | |
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[66] | 128 | if ( (fh = g_clients[i]->fh) != -1 ) { |
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| 129 | FD_SET(fh, &r); |
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| 130 | FD_SET(fh, &e); |
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| 131 | |
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| 132 | if ( fh > max_fh ) |
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| 133 | max_fh = fh; |
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| 134 | } else { |
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[0] | 135 | |
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[66] | 136 | for (j = 0; j < ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; j++) { |
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| 137 | if ( (fh = streams_get_fh(g_clients[i]->streams[j])) != -1 ) { |
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| 138 | FD_SET(fh, &r); |
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[0] | 139 | |
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[66] | 140 | if ( fh > max_fh ) |
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| 141 | max_fh = fh; |
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| 142 | } |
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| 143 | } |
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| 144 | } |
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| 145 | |
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[0] | 146 | } |
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| 147 | |
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| 148 | if ( (ret = select(max_fh + 1, &r, NULL, &e, &tv)) < 1 ) { |
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| 149 | return ret; |
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| 150 | } |
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| 151 | |
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| 152 | for (i = 0; i < ROAR_CLIENTS_MAX; i++) { |
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| 153 | if ( g_clients[i] == NULL ) |
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| 154 | continue; |
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| 155 | |
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[66] | 156 | if ( (fh = g_clients[i]->fh) != -1 ) { |
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| 157 | |
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| 158 | if ( FD_ISSET(fh, &r) ) { |
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| 159 | if ( g_clients[i]->execed == -1 ) { |
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| 160 | clients_check(i); |
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| 161 | } else { |
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| 162 | streams_check(g_clients[i]->execed); |
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| 163 | } |
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| 164 | } |
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[0] | 165 | |
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[66] | 166 | if ( FD_ISSET(fh, &e) ) |
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| 167 | clients_delete(i); |
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| 168 | } else { |
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| 169 | for (j = 0; j < ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; j++) { |
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| 170 | if ( (fh = streams_get_fh(g_clients[i]->streams[j])) != -1 ) { |
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| 171 | if ( FD_ISSET(fh, &r) ) { |
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| 172 | streams_check(g_clients[i]->streams[j]); |
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| 173 | } |
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| 174 | } |
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[0] | 175 | } |
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| 176 | } |
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| 177 | } |
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| 178 | |
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| 179 | return 0; |
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| 180 | } |
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| 181 | |
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| 182 | int clients_check (int id) { |
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| 183 | struct roar_message m; |
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| 184 | struct roar_connection con; |
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| 185 | char * data = NULL; |
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| 186 | int oldcmd; |
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| 187 | int r; |
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| 188 | |
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| 189 | if ( g_clients[id] == NULL ) |
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| 190 | return -1; |
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| 191 | if ( g_clients[id]->fh == -1 ) |
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| 192 | return -1; |
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| 193 | |
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| 194 | con.fh = g_clients[id]->fh; |
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| 195 | |
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| 196 | r = roar_recv_message(&con, &m, &data); |
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| 197 | |
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| 198 | if ( r == -1 ) { // should we drop the client? |
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| 199 | clients_delete(id); |
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| 200 | return -1; |
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| 201 | } |
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| 202 | |
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| 203 | roar_debug_message_print(&m); |
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| 204 | |
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| 205 | oldcmd = m.cmd; |
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| 206 | |
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| 207 | if ( (r = command_exec(id, &m, data)) == -1 ) { |
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| 208 | m.cmd = ROAR_CMD_ERROR; |
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| 209 | m.datalen = 0; |
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| 210 | ROAR_DBG("clients_check(*): Exec of command faild!"); |
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| 211 | } else { |
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| 212 | if ( m.cmd == oldcmd ) { |
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| 213 | m.cmd = ROAR_CMD_OK; |
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| 214 | m.datalen = 0; |
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| 215 | } |
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| 216 | } |
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| 217 | |
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| 218 | roar_send_message(&con, &m, NULL); |
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| 219 | |
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| 220 | if ( data ) |
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| 221 | free(data); |
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| 222 | |
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| 223 | ROAR_DBG("clients_check(id=%i) = 0", id); |
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| 224 | return 0; |
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| 225 | } |
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| 226 | |
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| 227 | int clients_send_mon (struct roar_audio_info * sa, uint32_t pos) { |
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| 228 | int i; |
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| 229 | int fh; |
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| 230 | |
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| 231 | for (i = 0; i < ROAR_CLIENTS_MAX; i++) { |
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| 232 | if ( g_clients[i] == NULL ) |
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| 233 | continue; |
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| 234 | |
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| 235 | if ( (fh = g_clients[i]->fh) == -1 ) |
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| 236 | continue; |
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| 237 | |
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| 238 | if ( g_clients[i]->execed == -1 ) { |
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| 239 | // TODO: add some code to send a message to the client insetd of the raw data. |
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| 240 | } else { |
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| 241 | // streams_check(g_clients[i]->execed); |
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| 242 | streams_send_mon(g_clients[i]->execed); |
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| 243 | // if ( streams_send_mon(g_clients[i]->execed) == -1 ) |
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| 244 | // clients_delete(i); // delete client in case we could not write |
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| 245 | } |
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| 246 | } |
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| 247 | |
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| 248 | return -1; |
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| 249 | } |
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| 250 | |
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| 251 | int clients_send_filter(struct roar_audio_info * sa, uint32_t pos) { |
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| 252 | int i; |
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| 253 | int fh; |
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| 254 | |
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| 255 | for (i = 0; i < ROAR_CLIENTS_MAX; i++) { |
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| 256 | if ( g_clients[i] == NULL ) |
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| 257 | continue; |
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| 258 | |
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| 259 | if ( (fh = g_clients[i]->fh) == -1 ) |
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| 260 | continue; |
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| 261 | |
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| 262 | if ( g_clients[i]->execed == -1 ) { |
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| 263 | // TODO: add some code to send a message to the client insetd of the raw data. |
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| 264 | } else { |
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| 265 | // streams_check(g_clients[i]->execed); |
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| 266 | streams_send_filter(g_clients[i]->execed); |
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| 267 | // if ( streams_send_mon(g_clients[i]->execed) == -1 ) |
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| 268 | // clients_delete(i); // delete client in case we could not write |
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| 269 | } |
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| 270 | } |
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| 271 | |
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| 272 | return -1; |
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| 273 | } |
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| 274 | |
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| 275 | int client_stream_exec (int client, int stream) { |
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| 276 | int i; |
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| 277 | |
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| 278 | if ( g_clients[client] == NULL ) |
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| 279 | return -1; |
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| 280 | |
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| 281 | for (i = 0; i < ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; i++) { |
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| 282 | if ( g_clients[client]->streams[i] == stream ) { |
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| 283 | g_clients[client]->execed = stream; |
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| 284 | streams_set_fh(stream, g_clients[client]->fh); |
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| 285 | return 0; |
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| 286 | } |
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| 287 | } |
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| 288 | |
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| 289 | return -1; |
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| 290 | } |
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| 291 | |
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| 292 | int client_stream_add (int client, int stream) { |
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| 293 | int i; |
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| 294 | |
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| 295 | if ( g_clients[client] == NULL ) |
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| 296 | return -1; |
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| 297 | |
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| 298 | for (i = 0; i < ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; i++) { |
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| 299 | if ( g_clients[client]->streams[i] == -1 ) { |
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| 300 | g_clients[client]->streams[i] = stream; |
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| 301 | streams_set_client(stream, client); |
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| 302 | return 0; |
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| 303 | } |
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| 304 | } |
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| 305 | |
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| 306 | return -1; |
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| 307 | } |
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| 308 | |
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| 309 | int client_stream_delete (int client, int stream) { |
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| 310 | int i; |
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| 311 | |
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| 312 | if ( g_clients[client] == NULL ) |
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| 313 | return -1; |
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| 314 | |
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| 315 | for (i = 0; i < ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; i++) { |
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| 316 | if ( g_clients[client]->streams[i] == stream ) { |
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| 317 | g_clients[client]->streams[i] = -1; |
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| 318 | |
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| 319 | if ( stream == g_clients[client]->execed ) { |
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| 320 | ROAR_DBG("client_stream_delete(client=%i, stream=%i): stream is execed one, deleting client!", client, stream); |
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| 321 | clients_delete(client); |
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| 322 | } |
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| 323 | |
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| 324 | ROAR_DBG("client_stream_delete(client=%i, stream=%i) = 0", client, stream); |
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| 325 | return 0; |
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| 326 | } |
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| 327 | } |
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| 328 | |
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| 329 | ROAR_DBG("client_stream_delete(client=%i, stream=%i) = -1", client, stream); |
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| 330 | return -1; |
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| 331 | } |
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| 332 | |
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| 333 | //ll |
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