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