-int jt_ptl_connect(int argc, char **argv)
-{
-#ifndef HAVE_CONNECT
- /* no connect() support */
- return -1;
-#else /* HAVE_CONNECT */
- struct portals_cfg pcfg;
- struct sockaddr_in srvaddr;
- struct sockaddr_in locaddr;
- __u32 ipaddr;
- char *flag;
- int fd, rc;
- int type = SOCKNAL_CONN_ANY;
- int port, rport;
- int o;
-
- if (argc < 3) {
- fprintf(stderr, "usage: %s ip port [type]\n", argv[0]);
- return 0;
- }
-
- if (!g_nal_is_compatible (argv[0], SOCKNAL, 0))
- return -1;
-
- rc = ptl_parse_ipaddr (&ipaddr, argv[1]);
- if (rc != 0) {
- fprintf(stderr, "Can't parse hostname: %s\n", argv[1]);
- return -1;
- }
-
- if (ptl_parse_port (&port, argv[2]) != 0) {
- fprintf (stderr, "Can't parse port: %s\n", argv[2]);
- return -1;
- }
-
- if (argc > 3)
- for (flag = argv[3]; *flag != 0; flag++)
- switch (*flag)
- {
- case 'I':
- if (type != SOCKNAL_CONN_ANY) {
- fprintf(stderr, "Can't flag type twice\n");
- return -1;
- }
- type = SOCKNAL_CONN_BULK_IN;
- break;
-
- case 'O':
- if (type != SOCKNAL_CONN_ANY) {
- fprintf(stderr, "Can't flag type twice\n");
- return -1;
- }
- type = SOCKNAL_CONN_BULK_OUT;
- break;
-
- case 'C':
- if (type != SOCKNAL_CONN_ANY) {
- fprintf(stderr, "Can't flag type twice\n");
- return -1;
- }
- type = SOCKNAL_CONN_CONTROL;
- break;
-
- default:
- fprintf (stderr, "unrecognised flag '%c'\n",
- *flag);
- return (-1);
- }
-
- memset(&locaddr, 0, sizeof(locaddr));
- locaddr.sin_family = AF_INET;
- locaddr.sin_addr.s_addr = INADDR_ANY;
-
- memset(&srvaddr, 0, sizeof(srvaddr));
- srvaddr.sin_family = AF_INET;
- srvaddr.sin_port = htons(port);
- srvaddr.sin_addr.s_addr = htonl(ipaddr);
-
-
- for (rport = IPPORT_RESERVED - 1; rport > IPPORT_RESERVED / 2; --rport) {
- fd = socket(PF_INET, SOCK_STREAM, 0);
- if ( fd < 0 ) {
- fprintf(stderr, "socket() failed: %s\n", strerror(errno));
- return -1;
- }
-
- o = 1;
- rc = setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,
- &o, sizeof(o));
-
- locaddr.sin_port = htons(rport);
- rc = bind(fd, (struct sockaddr *)&locaddr, sizeof(locaddr));
- if (rc == 0 || errno == EACCES) {
- rc = connect(fd, (struct sockaddr *)&srvaddr, sizeof(srvaddr));
- if (rc == 0) {
- break;
- } else if (errno != EADDRINUSE) {
- fprintf(stderr, "Error connecting to host: %s\n", strerror(errno));
- close(fd);
- return -1;
- }
- } else if (errno != EADDRINUSE) {
- fprintf(stderr, "Error binding to port %d: %d: %s\n", port, errno, strerror(errno));
- close(fd);
- return -1;
- }
- }
-
- if (rport == IPPORT_RESERVED / 2) {
- fprintf(stderr,
- "Warning: all privileged ports are in use.\n");
- return -1;
- }
-
- printf("Connected host: %s type: %s\n",
- argv[1],
- (type == SOCKNAL_CONN_ANY) ? "A" :
- (type == SOCKNAL_CONN_CONTROL) ? "C" :
- (type == SOCKNAL_CONN_BULK_IN) ? "I" :
- (type == SOCKNAL_CONN_BULK_OUT) ? "O" : "?");
-
- PCFG_INIT(pcfg, NAL_CMD_REGISTER_PEER_FD);
- pcfg.pcfg_nal = g_nal;
- pcfg.pcfg_fd = fd;
- pcfg.pcfg_misc = type;
-
- rc = pcfg_ioctl(&pcfg);
- if (rc) {
- fprintf(stderr, "failed to register fd with portals: %s\n",
- strerror(errno));
- close (fd);
- return -1;
- }
-
- printf("Connection to %s registered with socknal\n", argv[1]);
-
- rc = close(fd);
- if (rc)
- fprintf(stderr, "close failed: %d\n", rc);
-
- return 0;
-#endif /* HAVE_CONNECT */
-}
-