[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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[501] | 11 | int is_decnet = 0; |
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[516] | 12 | char * obj = NULL; |
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[0] | 13 | |
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[61] | 14 | if ( server == NULL && (roar_server = getenv("ROAR_SERVER")) != NULL ) |
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[0] | 15 | server = roar_server; |
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| 16 | |
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[448] | 17 | if ( server == NULL && (i = readlink("/etc/roarserver", user_sock, 79)) != -1 ) { |
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| 18 | user_sock[i] = 0; |
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| 19 | server = user_sock; |
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| 20 | } |
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| 21 | |
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[61] | 22 | if ( server == NULL || *server == 0 ) { |
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[0] | 23 | /* connect via defaults */ |
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| 24 | |
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| 25 | |
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| 26 | snprintf(user_sock, 79, "%s/%s", getenv("HOME"), ROAR_DEFAULT_SOCK_USER); |
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| 27 | |
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| 28 | if ( (fh = roar_socket_connect(user_sock, 0)) != -1 ) |
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| 29 | return fh; |
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| 30 | |
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[237] | 31 | if ( (fh = roar_socket_connect(ROAR_DEFAULT_SOCK_GLOBAL, 0)) != -1 ) |
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| 32 | return fh; |
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| 33 | |
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[0] | 34 | if ( (fh = roar_socket_connect(ROAR_DEFAULT_HOST, ROAR_DEFAULT_PORT)) != -1 ) |
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| 35 | return fh; |
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| 36 | |
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| 37 | } else { |
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| 38 | /* connect via (char*)server */ |
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[501] | 39 | // find a port: |
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| 40 | if ( *server != '/' ) { // don't test AF_UNIX sockets for ports |
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| 41 | for (i = 0; server[i] != 0; i++) { |
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| 42 | if ( server[i] == ':' ) { |
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| 43 | if ( server[i+1] == ':' ) { // DECnet, leave unchanged |
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| 44 | is_decnet = 1; |
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[516] | 45 | obj = &server[i+2]; |
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[501] | 46 | break; |
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| 47 | } |
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| 48 | |
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| 49 | port = atoi(server+i+1); |
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| 50 | server[i] = 0; |
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| 51 | break; |
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| 52 | } |
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[0] | 53 | } |
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| 54 | } |
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| 55 | |
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[521] | 56 | if ( is_decnet ) { |
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| 57 | *user_sock = 0; |
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| 58 | if ( *server == ':' ) { |
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| 59 | if ( roar_socket_get_local_nodename() ) |
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| 60 | strcat(user_sock, roar_socket_get_local_nodename()); |
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| 61 | } |
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| 62 | |
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| 63 | strcat(user_sock, server); |
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[516] | 64 | server = user_sock; |
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[521] | 65 | if ( *obj == 0 ) { |
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| 66 | strcat(user_sock, ROAR_DEFAULT_OBJECT); |
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| 67 | } |
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[516] | 68 | } |
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| 69 | |
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[501] | 70 | if ( port || is_decnet ) { |
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[0] | 71 | fh = roar_socket_connect(server, port); |
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| 72 | // restore the original string |
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| 73 | server[i] = ':'; |
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| 74 | } else { |
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| 75 | fh = roar_socket_connect(server, ROAR_DEFAULT_PORT); |
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| 76 | } |
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| 77 | } |
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| 78 | |
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| 79 | ROAR_DBG("roar_connect_raw(*) = %i", fh); |
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| 80 | |
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| 81 | return fh; |
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| 82 | } |
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| 83 | |
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| 84 | int roar_connect (struct roar_connection * con, char * server) { |
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| 85 | con->fh = roar_connect_raw(server); |
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| 86 | |
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| 87 | if ( con->fh == -1 ) |
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| 88 | return -1; |
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| 89 | |
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| 90 | return 0; |
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| 91 | } |
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| 92 | |
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| 93 | int roar_disconnect (struct roar_connection * con) { |
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| 94 | struct roar_message m; |
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| 95 | |
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| 96 | m.datalen = 0; |
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| 97 | m.stream = 0; |
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[133] | 98 | m.pos = 0; |
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[0] | 99 | m.cmd = ROAR_CMD_QUIT; |
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| 100 | |
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| 101 | roar_req(con, &m, NULL); |
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| 102 | |
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| 103 | close(con->fh); |
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| 104 | |
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| 105 | con->fh = -1; |
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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 roar_identify (struct roar_connection * con, char * name) { |
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| 111 | struct roar_message mes; |
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| 112 | pid_t pid; |
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| 113 | int max_len; |
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| 114 | |
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| 115 | ROAR_DBG("roar_identify(*): try to identify myself..."); |
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| 116 | |
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| 117 | mes.cmd = ROAR_CMD_IDENTIFY; |
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| 118 | mes.stream = 0; |
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| 119 | mes.pos = 0; |
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| 120 | |
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| 121 | ROAR_DBG("roar_identify(*): name=%p", name); |
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| 122 | |
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| 123 | if ( name == NULL ) |
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| 124 | name = "libroar client"; |
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| 125 | |
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| 126 | ROAR_DBG("roar_identify(*): name=%p", name); |
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| 127 | |
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| 128 | max_len = strlen(name); |
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| 129 | ROAR_DBG("roar_identify(*): strlen(name) = %i", max_len); |
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| 130 | |
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| 131 | if ( max_len > (LIBROAR_BUFFER_MSGDATA - 5) ) |
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| 132 | max_len = LIBROAR_BUFFER_MSGDATA - 5; |
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| 133 | |
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| 134 | mes.datalen = 5 + max_len; |
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| 135 | mes.data[0] = 1; |
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| 136 | |
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| 137 | pid = getpid(); |
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| 138 | *(uint32_t*)(mes.data+1) = ROAR_HOST2NET32(pid); |
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| 139 | ROAR_DBG("roar_identify(*): pid = %i", pid); |
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| 140 | |
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| 141 | strncpy(mes.data+5, name, max_len); |
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| 142 | |
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| 143 | return roar_req(con, &mes, NULL); |
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| 144 | } |
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| 145 | |
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[8] | 146 | #define _ROAR_MESS_BUF_LEN (1 /* version */ + 1 /* cmd */ + 2 /* stream */ + 4 /* pos */ + 2 /* datalen */) |
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[0] | 147 | int roar_send_message (struct roar_connection * con, struct roar_message * mes, char * data) { |
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| 148 | char buf[_ROAR_MESS_BUF_LEN]; |
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| 149 | |
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| 150 | ROAR_DBG("roar_send_message(*): try to send an request..."); |
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| 151 | |
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[8] | 152 | buf[0] = _ROAR_MESSAGE_VERSION; |
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| 153 | buf[1] = (unsigned char) mes->cmd; |
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| 154 | *(uint16_t*)(buf+2) = ROAR_HOST2NET16(mes->stream); |
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| 155 | *(uint32_t*)(buf+4) = ROAR_HOST2NET32(mes->pos); |
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| 156 | *(uint16_t*)(buf+8) = ROAR_HOST2NET16(mes->datalen); |
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[0] | 157 | |
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| 158 | if ( write(con->fh, buf, _ROAR_MESS_BUF_LEN) != _ROAR_MESS_BUF_LEN ) |
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| 159 | return -1; |
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| 160 | |
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| 161 | if ( mes->datalen != 0 ) |
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| 162 | if ( write(con->fh, data == NULL ? mes->data : data, mes->datalen) != mes->datalen ) |
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| 163 | return -1; |
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| 164 | |
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| 165 | ROAR_DBG("roar_send_message(*) = 0"); |
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| 166 | return 0; |
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| 167 | } |
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| 168 | |
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| 169 | int roar_recv_message (struct roar_connection * con, struct roar_message * mes, char ** data) { |
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| 170 | char buf[_ROAR_MESS_BUF_LEN]; |
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| 171 | |
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| 172 | ROAR_DBG("roar_recv_message(*): try to get a response form the server..."); |
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| 173 | |
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| 174 | if ( data ) |
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| 175 | *data = NULL; |
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| 176 | |
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| 177 | if ( read(con->fh, buf, _ROAR_MESS_BUF_LEN) != _ROAR_MESS_BUF_LEN ) |
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| 178 | return -1; |
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| 179 | |
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| 180 | ROAR_DBG("roar_recv_message(*): Got a header"); |
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| 181 | |
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[8] | 182 | if ( buf[0] != _ROAR_MESSAGE_VERSION ) |
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| 183 | return -1; |
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| 184 | |
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| 185 | mes->cmd = (unsigned char)buf[1]; |
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| 186 | mes->stream = ROAR_NET2HOST16(*(uint16_t*)(buf+2)); |
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| 187 | mes->pos = ROAR_NET2HOST32(*(uint32_t*)(buf+4)); |
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| 188 | mes->datalen = ROAR_NET2HOST16(*(uint16_t*)(buf+8)); |
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[0] | 189 | |
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| 190 | ROAR_DBG("roar_recv_message(*): command=%i(%s)", mes->cmd, |
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| 191 | mes->cmd == ROAR_CMD_OK ? "OK" : (mes->cmd == ROAR_CMD_ERROR ? "ERROR" : "UNKNOWN")); |
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| 192 | |
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[104] | 193 | if ( mes->datalen == 0 ) { |
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| 194 | ROAR_DBG("roar_recv_message(*): no data in this pkg"); |
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| 195 | ROAR_DBG("roar_recv_message(*) = 0"); |
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| 196 | return 0; |
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| 197 | } |
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| 198 | |
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[0] | 199 | if ( mes->datalen <= LIBROAR_BUFFER_MSGDATA ) { |
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| 200 | if ( read(con->fh, mes->data, mes->datalen) == mes->datalen ) { |
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| 201 | ROAR_DBG("roar_recv_message(*): Got data!"); |
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| 202 | ROAR_DBG("roar_recv_message(*) = 0"); |
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| 203 | return 0; |
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| 204 | } |
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| 205 | return -1; |
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| 206 | } else { |
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| 207 | if ( data == NULL ) |
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| 208 | return -1; |
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| 209 | |
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| 210 | if ( (*data = malloc(mes->datalen)) == NULL ) |
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| 211 | return -1; |
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| 212 | |
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| 213 | if ( mes->datalen == 0 ) |
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| 214 | return 0; |
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| 215 | |
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| 216 | if ( read(con->fh, *data, mes->datalen) == mes->datalen ) { |
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| 217 | ROAR_DBG("roar_recv_message(*): Got data!"); |
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| 218 | ROAR_DBG("roar_recv_message(*) = 0"); |
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| 219 | return 0; |
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| 220 | } |
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| 221 | return -1; |
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| 222 | } |
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| 223 | |
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| 224 | return -1; |
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| 225 | } |
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| 226 | |
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| 227 | int roar_req (struct roar_connection * con, struct roar_message * mes, char ** data) { |
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| 228 | if ( roar_send_message(con, mes, data ? *data : NULL) != 0 ) |
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| 229 | return -1; |
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| 230 | |
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| 231 | if ( data ) |
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| 232 | free(*data); |
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| 233 | |
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| 234 | return roar_recv_message(con, mes, data); |
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| 235 | } |
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| 236 | |
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| 237 | int roar_debug_message_print (struct roar_message * mes) { |
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| 238 | if ( mes == NULL ) |
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| 239 | return -1; |
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| 240 | |
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| 241 | ROAR_DBG("roar_debug_message_print(*): Command: %i", mes->cmd); |
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| 242 | ROAR_DBG("roar_debug_message_print(*): Stream : %u", mes->stream); |
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| 243 | ROAR_DBG("roar_debug_message_print(*): Pos : %u", mes->pos); |
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| 244 | ROAR_DBG("roar_debug_message_print(*): Datalen: %i", mes->datalen); |
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| 245 | |
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| 246 | ROAR_DBG("roar_debug_message_print(*) = 0"); |
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| 247 | return 0; |
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| 248 | } |
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| 249 | |
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| 250 | int roar_debug_audio_info_print (struct roar_audio_info * info) { |
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| 251 | if ( info == NULL ) |
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| 252 | return -1; |
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| 253 | |
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| 254 | ROAR_DBG("roar_debug_audio_info_print(*): Rate : %i", info->rate); |
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| 255 | ROAR_DBG("roar_debug_audio_info_print(*): Channels: %i", info->channels); |
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| 256 | ROAR_DBG("roar_debug_audio_info_print(*): Bits : %i", info->bits); |
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| 257 | ROAR_DBG("roar_debug_audio_info_print(*): Codec : %i", info->codec); |
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| 258 | |
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| 259 | ROAR_DBG("roar_debug_audio_info_print(*) = 0"); |
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| 260 | return 0; |
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| 261 | } |
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| 262 | |
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| 263 | //ll |
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