1 /* 2 * ser2net - A program for allowing telnet connection to serial ports 3 * Copyright (C) 2001 Corey Minyard <minyard@acm.org> 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18 */ 19 20 #ifndef DATAXFER 21 #define DATAXFER 22 23 #include "utils.h" 24 #include "controller.h" 25 26 #ifdef USE_UUCP_LOCKING 27 extern int uucp_locking_enabled; 28 #endif 29 30 #ifdef linux 31 32 #include <sys/serial.h> 33 34 /* Check, if the toolchain provides SER_RS485_RX_DURING_TX macro 35 * (introduced in kernel 3.2) */ 36 #if HAVE_DECL_TIOCSRS485 37 #ifndef SER_RS485_RX_DURING_TX 38 #define SER_RS485_RX_DURING_TX (1 << 4) 39 #endif /* SER_RS485_RX_DURING_TX */ 40 #endif /* HAVE_DECL_TIOCSRS485 */ 41 42 #endif /* linux */ 43 44 /* Create a port given the criteria. */ 45 int portconfig(struct absout *eout, 46 char *portnum, 47 char *state, 48 char *timeout, 49 char *devname, 50 char *devcfg, 51 int config_num); 52 53 /* Shut down all the ports, and provide a way to check when done. */ 54 void shutdown_ports(void); 55 int check_ports_shutdown(void); 56 57 /* Clear out any old ports on a reconfigure. */ 58 void clear_old_port_config(int config_num); 59 60 /* Initialize the data transfer code. */ 61 void dataxfer_init(void); 62 63 /* Show information about a port (or all ports if portspec is NULL). 64 The parameters are all strings that the routine will convert to 65 integers. Error output will be generated on invalid data. */ 66 void showports(struct controller_info *cntlr, char *portspec); 67 68 /* Show information about a port (as above) but in a one-line format. */ 69 void showshortports(struct controller_info *cntlr, char *portspec); 70 71 /* Set the port's timeout. The parameters are all strings that the 72 routine will convert to integers. Error output will be generated 73 on invalid data. */ 74 void setporttimeout(struct controller_info *cntlr, 75 char *portspec, 76 char *timeout); 77 78 /* Set the serial port's configuration. The parameters are all 79 strings that the routine will convert to integers. Error output 80 will be generated on invalid data. */ 81 void setportdevcfg(struct controller_info *cntlr, 82 char *portspec, 83 char *devcfg); 84 85 /* Modify the DTR and RTS lines for the port. */ 86 void setportcontrol(struct controller_info *cntlr, 87 char *portspec, 88 char *controls); 89 90 /* Set the enable state of a port (off, raw, telnet). The parameters 91 are all strings that the routine will convert to integers. Error 92 output will be generated on invalid data. */ 93 void setportenable(struct controller_info *cntlr, 94 char *portspec, 95 char *enable); 96 97 /* Start data monitoring on the given port, type may be either "tcp" or 98 "term" and only one direction may be monitored. This return NULL if 99 the monitor fails. The monitor output will go to the controller 100 via the controller_write() call. */ 101 void *data_monitor_start(struct controller_info *cntlr, 102 char *type, 103 char *portspec); 104 105 /* Stop monitoring the given id. */ 106 void data_monitor_stop(struct controller_info *cntlr, 107 void *monitor_id); 108 109 /* Shut down the port, if it is connected. */ 110 void disconnect_port(struct controller_info *cntlr, 111 char *portspec); 112 113 struct devio; 114 115 /* Initialization function for device I/O */ 116 int devcfg_init(struct devio *io, struct absout *eout, const char *instr, 117 int (*otherconfig)(void *data, struct absout *eout, 118 const char *item), 119 void *data); 120 121 int sol_init(void); 122 void sol_shutdown(void); 123 124 int solcfg_init(struct devio *io, struct absout *eout, const char *instr, 125 int (*otherconfig)(void *data, struct absout *eout, 126 const char *item), 127 void *data); 128 129 struct serial_rs485 *get_rs485_conf(void *data); 130 131 int add_rotator(char *portname, char *ports, int lineno); 132 void free_rotators(void); 133 134 #endif /* DATAXFER */ 135