[0] | 1 | //basic.c: |
---|
| 2 | |
---|
| 3 | #include "libroar.h" |
---|
| 4 | |
---|
| 5 | int roar_connect_raw (char * server) { |
---|
| 6 | char user_sock[80]; |
---|
| 7 | char * roar_server; |
---|
| 8 | int i; |
---|
| 9 | int port = 0; |
---|
| 10 | int fh = -1; |
---|
[501] | 11 | int is_decnet = 0; |
---|
[0] | 12 | |
---|
[61] | 13 | if ( server == NULL && (roar_server = getenv("ROAR_SERVER")) != NULL ) |
---|
[0] | 14 | server = roar_server; |
---|
| 15 | |
---|
[448] | 16 | if ( server == NULL && (i = readlink("/etc/roarserver", user_sock, 79)) != -1 ) { |
---|
| 17 | user_sock[i] = 0; |
---|
| 18 | server = user_sock; |
---|
| 19 | } |
---|
| 20 | |
---|
[61] | 21 | if ( server == NULL || *server == 0 ) { |
---|
[0] | 22 | /* connect via defaults */ |
---|
| 23 | |
---|
| 24 | |
---|
| 25 | snprintf(user_sock, 79, "%s/%s", getenv("HOME"), ROAR_DEFAULT_SOCK_USER); |
---|
| 26 | |
---|
| 27 | if ( (fh = roar_socket_connect(user_sock, 0)) != -1 ) |
---|
| 28 | return fh; |
---|
| 29 | |
---|
[237] | 30 | if ( (fh = roar_socket_connect(ROAR_DEFAULT_SOCK_GLOBAL, 0)) != -1 ) |
---|
| 31 | return fh; |
---|
| 32 | |
---|
[0] | 33 | if ( (fh = roar_socket_connect(ROAR_DEFAULT_HOST, ROAR_DEFAULT_PORT)) != -1 ) |
---|
| 34 | return fh; |
---|
| 35 | |
---|
| 36 | } else { |
---|
| 37 | /* connect via (char*)server */ |
---|
[501] | 38 | // find a port: |
---|
| 39 | if ( *server != '/' ) { // don't test AF_UNIX sockets for ports |
---|
| 40 | for (i = 0; server[i] != 0; i++) { |
---|
| 41 | if ( server[i] == ':' ) { |
---|
| 42 | if ( server[i+1] == ':' ) { // DECnet, leave unchanged |
---|
| 43 | is_decnet = 1; |
---|
| 44 | break; |
---|
| 45 | } |
---|
| 46 | |
---|
| 47 | port = atoi(server+i+1); |
---|
| 48 | server[i] = 0; |
---|
| 49 | break; |
---|
| 50 | } |
---|
[0] | 51 | } |
---|
| 52 | } |
---|
| 53 | |
---|
[501] | 54 | if ( port || is_decnet ) { |
---|
[0] | 55 | fh = roar_socket_connect(server, port); |
---|
| 56 | // restore the original string |
---|
| 57 | server[i] = ':'; |
---|
| 58 | } else { |
---|
| 59 | fh = roar_socket_connect(server, ROAR_DEFAULT_PORT); |
---|
| 60 | } |
---|
| 61 | } |
---|
| 62 | |
---|
| 63 | ROAR_DBG("roar_connect_raw(*) = %i", fh); |
---|
| 64 | |
---|
| 65 | return fh; |
---|
| 66 | } |
---|
| 67 | |
---|
| 68 | int roar_connect (struct roar_connection * con, char * server) { |
---|
| 69 | con->fh = roar_connect_raw(server); |
---|
| 70 | |
---|
| 71 | if ( con->fh == -1 ) |
---|
| 72 | return -1; |
---|
| 73 | |
---|
| 74 | return 0; |
---|
| 75 | } |
---|
| 76 | |
---|
| 77 | int roar_disconnect (struct roar_connection * con) { |
---|
| 78 | struct roar_message m; |
---|
| 79 | |
---|
| 80 | m.datalen = 0; |
---|
| 81 | m.stream = 0; |
---|
[133] | 82 | m.pos = 0; |
---|
[0] | 83 | m.cmd = ROAR_CMD_QUIT; |
---|
| 84 | |
---|
| 85 | roar_req(con, &m, NULL); |
---|
| 86 | |
---|
| 87 | close(con->fh); |
---|
| 88 | |
---|
| 89 | con->fh = -1; |
---|
| 90 | |
---|
| 91 | return 0; |
---|
| 92 | } |
---|
| 93 | |
---|
| 94 | int roar_identify (struct roar_connection * con, char * name) { |
---|
| 95 | struct roar_message mes; |
---|
| 96 | pid_t pid; |
---|
| 97 | int max_len; |
---|
| 98 | |
---|
| 99 | ROAR_DBG("roar_identify(*): try to identify myself..."); |
---|
| 100 | |
---|
| 101 | mes.cmd = ROAR_CMD_IDENTIFY; |
---|
| 102 | mes.stream = 0; |
---|
| 103 | mes.pos = 0; |
---|
| 104 | |
---|
| 105 | ROAR_DBG("roar_identify(*): name=%p", name); |
---|
| 106 | |
---|
| 107 | if ( name == NULL ) |
---|
| 108 | name = "libroar client"; |
---|
| 109 | |
---|
| 110 | ROAR_DBG("roar_identify(*): name=%p", name); |
---|
| 111 | |
---|
| 112 | max_len = strlen(name); |
---|
| 113 | ROAR_DBG("roar_identify(*): strlen(name) = %i", max_len); |
---|
| 114 | |
---|
| 115 | if ( max_len > (LIBROAR_BUFFER_MSGDATA - 5) ) |
---|
| 116 | max_len = LIBROAR_BUFFER_MSGDATA - 5; |
---|
| 117 | |
---|
| 118 | mes.datalen = 5 + max_len; |
---|
| 119 | mes.data[0] = 1; |
---|
| 120 | |
---|
| 121 | pid = getpid(); |
---|
| 122 | *(uint32_t*)(mes.data+1) = ROAR_HOST2NET32(pid); |
---|
| 123 | ROAR_DBG("roar_identify(*): pid = %i", pid); |
---|
| 124 | |
---|
| 125 | strncpy(mes.data+5, name, max_len); |
---|
| 126 | |
---|
| 127 | return roar_req(con, &mes, NULL); |
---|
| 128 | } |
---|
| 129 | |
---|
[8] | 130 | #define _ROAR_MESS_BUF_LEN (1 /* version */ + 1 /* cmd */ + 2 /* stream */ + 4 /* pos */ + 2 /* datalen */) |
---|
[0] | 131 | int roar_send_message (struct roar_connection * con, struct roar_message * mes, char * data) { |
---|
| 132 | char buf[_ROAR_MESS_BUF_LEN]; |
---|
| 133 | |
---|
| 134 | ROAR_DBG("roar_send_message(*): try to send an request..."); |
---|
| 135 | |
---|
[8] | 136 | buf[0] = _ROAR_MESSAGE_VERSION; |
---|
| 137 | buf[1] = (unsigned char) mes->cmd; |
---|
| 138 | *(uint16_t*)(buf+2) = ROAR_HOST2NET16(mes->stream); |
---|
| 139 | *(uint32_t*)(buf+4) = ROAR_HOST2NET32(mes->pos); |
---|
| 140 | *(uint16_t*)(buf+8) = ROAR_HOST2NET16(mes->datalen); |
---|
[0] | 141 | |
---|
| 142 | if ( write(con->fh, buf, _ROAR_MESS_BUF_LEN) != _ROAR_MESS_BUF_LEN ) |
---|
| 143 | return -1; |
---|
| 144 | |
---|
| 145 | if ( mes->datalen != 0 ) |
---|
| 146 | if ( write(con->fh, data == NULL ? mes->data : data, mes->datalen) != mes->datalen ) |
---|
| 147 | return -1; |
---|
| 148 | |
---|
| 149 | ROAR_DBG("roar_send_message(*) = 0"); |
---|
| 150 | return 0; |
---|
| 151 | } |
---|
| 152 | |
---|
| 153 | int roar_recv_message (struct roar_connection * con, struct roar_message * mes, char ** data) { |
---|
| 154 | char buf[_ROAR_MESS_BUF_LEN]; |
---|
| 155 | |
---|
| 156 | ROAR_DBG("roar_recv_message(*): try to get a response form the server..."); |
---|
| 157 | |
---|
| 158 | if ( data ) |
---|
| 159 | *data = NULL; |
---|
| 160 | |
---|
| 161 | if ( read(con->fh, buf, _ROAR_MESS_BUF_LEN) != _ROAR_MESS_BUF_LEN ) |
---|
| 162 | return -1; |
---|
| 163 | |
---|
| 164 | ROAR_DBG("roar_recv_message(*): Got a header"); |
---|
| 165 | |
---|
[8] | 166 | if ( buf[0] != _ROAR_MESSAGE_VERSION ) |
---|
| 167 | return -1; |
---|
| 168 | |
---|
| 169 | mes->cmd = (unsigned char)buf[1]; |
---|
| 170 | mes->stream = ROAR_NET2HOST16(*(uint16_t*)(buf+2)); |
---|
| 171 | mes->pos = ROAR_NET2HOST32(*(uint32_t*)(buf+4)); |
---|
| 172 | mes->datalen = ROAR_NET2HOST16(*(uint16_t*)(buf+8)); |
---|
[0] | 173 | |
---|
| 174 | ROAR_DBG("roar_recv_message(*): command=%i(%s)", mes->cmd, |
---|
| 175 | mes->cmd == ROAR_CMD_OK ? "OK" : (mes->cmd == ROAR_CMD_ERROR ? "ERROR" : "UNKNOWN")); |
---|
| 176 | |
---|
[104] | 177 | if ( mes->datalen == 0 ) { |
---|
| 178 | ROAR_DBG("roar_recv_message(*): no data in this pkg"); |
---|
| 179 | ROAR_DBG("roar_recv_message(*) = 0"); |
---|
| 180 | return 0; |
---|
| 181 | } |
---|
| 182 | |
---|
[0] | 183 | if ( mes->datalen <= LIBROAR_BUFFER_MSGDATA ) { |
---|
| 184 | if ( read(con->fh, mes->data, mes->datalen) == mes->datalen ) { |
---|
| 185 | ROAR_DBG("roar_recv_message(*): Got data!"); |
---|
| 186 | ROAR_DBG("roar_recv_message(*) = 0"); |
---|
| 187 | return 0; |
---|
| 188 | } |
---|
| 189 | return -1; |
---|
| 190 | } else { |
---|
| 191 | if ( data == NULL ) |
---|
| 192 | return -1; |
---|
| 193 | |
---|
| 194 | if ( (*data = malloc(mes->datalen)) == NULL ) |
---|
| 195 | return -1; |
---|
| 196 | |
---|
| 197 | if ( mes->datalen == 0 ) |
---|
| 198 | return 0; |
---|
| 199 | |
---|
| 200 | if ( read(con->fh, *data, mes->datalen) == mes->datalen ) { |
---|
| 201 | ROAR_DBG("roar_recv_message(*): Got data!"); |
---|
| 202 | ROAR_DBG("roar_recv_message(*) = 0"); |
---|
| 203 | return 0; |
---|
| 204 | } |
---|
| 205 | return -1; |
---|
| 206 | } |
---|
| 207 | |
---|
| 208 | return -1; |
---|
| 209 | } |
---|
| 210 | |
---|
| 211 | int roar_req (struct roar_connection * con, struct roar_message * mes, char ** data) { |
---|
| 212 | if ( roar_send_message(con, mes, data ? *data : NULL) != 0 ) |
---|
| 213 | return -1; |
---|
| 214 | |
---|
| 215 | if ( data ) |
---|
| 216 | free(*data); |
---|
| 217 | |
---|
| 218 | return roar_recv_message(con, mes, data); |
---|
| 219 | } |
---|
| 220 | |
---|
| 221 | int roar_debug_message_print (struct roar_message * mes) { |
---|
| 222 | if ( mes == NULL ) |
---|
| 223 | return -1; |
---|
| 224 | |
---|
| 225 | ROAR_DBG("roar_debug_message_print(*): Command: %i", mes->cmd); |
---|
| 226 | ROAR_DBG("roar_debug_message_print(*): Stream : %u", mes->stream); |
---|
| 227 | ROAR_DBG("roar_debug_message_print(*): Pos : %u", mes->pos); |
---|
| 228 | ROAR_DBG("roar_debug_message_print(*): Datalen: %i", mes->datalen); |
---|
| 229 | |
---|
| 230 | ROAR_DBG("roar_debug_message_print(*) = 0"); |
---|
| 231 | return 0; |
---|
| 232 | } |
---|
| 233 | |
---|
| 234 | int roar_debug_audio_info_print (struct roar_audio_info * info) { |
---|
| 235 | if ( info == NULL ) |
---|
| 236 | return -1; |
---|
| 237 | |
---|
| 238 | ROAR_DBG("roar_debug_audio_info_print(*): Rate : %i", info->rate); |
---|
| 239 | ROAR_DBG("roar_debug_audio_info_print(*): Channels: %i", info->channels); |
---|
| 240 | ROAR_DBG("roar_debug_audio_info_print(*): Bits : %i", info->bits); |
---|
| 241 | ROAR_DBG("roar_debug_audio_info_print(*): Codec : %i", info->codec); |
---|
| 242 | |
---|
| 243 | ROAR_DBG("roar_debug_audio_info_print(*) = 0"); |
---|
| 244 | return 0; |
---|
| 245 | } |
---|
| 246 | |
---|
| 247 | //ll |
---|