started rewrite in go

1 files changed, 0 insertions, 555 deletions

diff --git a/src/options.c b/src/options.c
deleted file mode 100644
index bff561e..0000000
--- a/src/options.c
+++ /dev/null
@@ -1,555 +0,0 @@
-/*
- *  rhctl
- *
- *  Copyright (C) 2009-2015 Christian Pointner <equinox@helsinki.at>
- *
- *  This file is part of rhctl.
- *
- *  rhctl is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  rhctl is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with rhctl. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "datatypes.h"
-
-#include "options.h"
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <ctype.h>
-#include <errno.h>
-
-#include "log.h"
-
-#define PARSE_BOOL_PARAM(SHORT, LONG, VALUE)             \
-    else if(!strcmp(str,SHORT) || !strcmp(str,LONG))     \
-      VALUE = 1;
-
-#define PARSE_INVERSE_BOOL_PARAM(SHORT, LONG, VALUE)     \
-    else if(!strcmp(str,SHORT) || !strcmp(str,LONG))     \
-      VALUE = 0;
-
-#define PARSE_INT_PARAM(SHORT, LONG, VALUE)              \
-    else if(!strcmp(str,SHORT) || !strcmp(str,LONG))     \
-    {                                                    \
-      if(argc < 1)                                       \
-        return i;                                        \
-      VALUE = atoi(argv[i+1]);                           \
-      argc--;                                            \
-      i++;                                               \
-    }
-
-#define PARSE_STRING_PARAM(SHORT, LONG, VALUE)           \
-    else if(!strcmp(str,SHORT) || !strcmp(str,LONG))     \
-    {                                                    \
-      if(argc < 1 || argv[i+1][0] == '-')                \
-        return i;                                        \
-      if(VALUE) free(VALUE);                             \
-      VALUE = strdup(argv[i+1]);                         \
-      if(!VALUE)                                         \
-        return -2;                                       \
-      argc--;                                            \
-      i++;                                               \
-    }
-
-#define PARSE_STRING_PARAM_SEC(SHORT, LONG, VALUE)       \
-    else if(!strcmp(str,SHORT) || !strcmp(str,LONG))     \
-    {                                                    \
-      if(argc < 1 || argv[i+1][0] == '-')                \
-        return i;                                        \
-      if(VALUE) free(VALUE);                             \
-      VALUE = strdup(argv[i+1]);                         \
-      if(!VALUE)                                         \
-        return -2;                                       \
-      size_t j;                                          \
-      for(j=0; j < strlen(argv[i+1]); ++j)               \
-        argv[i+1][j] = '#';                              \
-      argc--;                                            \
-      i++;                                               \
-    }
-
-#define PARSE_HEXSTRING_PARAM_SEC(SHORT, LONG, VALUE)    \
-    else if(!strcmp(str,SHORT) || !strcmp(str,LONG))     \
-    {                                                    \
-      if(argc < 1 || argv[i+1][0] == '-')                \
-        return i;                                        \
-      int ret;                                           \
-      ret = options_parse_hex_string(argv[i+1], &VALUE); \
-      if(ret > 0)                                        \
-        return i+1;                                      \
-      else if(ret < 0)                                   \
-        return ret;                                      \
-      size_t j;                                          \
-      for(j=0; j < strlen(argv[i+1]); ++j)               \
-        argv[i+1][j] = '#';                              \
-      argc--;                                            \
-      i++;                                               \
-    }
-
-#define PARSE_STRING_LIST(SHORT, LONG, LIST)             \
-    else if(!strcmp(str,SHORT) || !strcmp(str,LONG))     \
-    {                                                    \
-      if(argc < 1 || argv[i+1][0] == '-')                \
-        return i;                                        \
-      int ret = string_list_add(&LIST, argv[i+1]);       \
-      if(ret == -2)                                      \
-        return ret;                                      \
-      else if(ret)                                       \
-        return i+1;                                      \
-      argc--;                                            \
-      i++;                                               \
-    }
-
-int options_parse_hex_string(const char* hex, buffer_t* buffer)
-{
-  if(!hex || !buffer)
-    return -1;
-
-  u_int32_t hex_len = strlen(hex);
-  if(hex_len%2)
-    return 1;
-
-  if(buffer->buf_)
-    free(buffer->buf_);
-
-  buffer->length_ = hex_len/2;
-  buffer->buf_ = malloc(buffer->length_);
-  if(!buffer->buf_) {
-    buffer->length_ = 0;
-    return -2;
-  }
-
-  const char* ptr = hex;
-  int i;
-  for(i=0;i<buffer->length_;++i) {
-    u_int32_t tmp;
-    sscanf(ptr, "%2X", &tmp);
-    buffer->buf_[i] = (u_int8_t)tmp;
-    ptr += 2;
-  }
-
-  return 0;
-}
-
-
-
-int options_parse(options_t* opt, int argc, char* argv[])
-{
-  if(!opt)
-    return -1;
-
-  options_default(opt);
-
-  if(opt->progname_)
-    free(opt->progname_);
-  opt->progname_ = strdup(argv[0]);
-  if(!opt->progname_)
-    return -2;
-
-  argc--;
-
-  char* mode = NULL;
-  char* channel = NULL;
-  char* baudrate = NULL;
-
-  int i;
-  for(i=1; argc > 0; ++i)
-  {
-    char* str = argv[i];
-    argc--;
-
-    if(!strcmp(str,"-h") || !strcmp(str,"--help"))
-      return -1;
-#ifndef OPT_STDIOCLIENT
-    PARSE_INVERSE_BOOL_PARAM("-D","--nodaemonize", opt->daemonize_)
-    PARSE_STRING_PARAM("-u","--username", opt->username_)
-    PARSE_STRING_PARAM("-g","--groupname", opt->groupname_)
-    PARSE_STRING_PARAM("-C","--chroot", opt->chroot_dir_)
-    PARSE_STRING_PARAM("-P","--write-pid", opt->pid_file_)
-#endif
-    PARSE_STRING_LIST("-L","--log", opt->log_targets_)
-    PARSE_STRING_PARAM("-s","--command-sock", opt->command_sock_)
-#ifndef OPT_STDIOCLIENT
-    PARSE_STRING_PARAM("-b","--baudrate", baudrate)
-#endif
-#ifdef OPT_SWITCHCTL
-    PARSE_STRING_PARAM("-f","--config", opt->conf_file_)
-    PARSE_STRING_PARAM("-d","--device", opt->switch_dev_)
-    PARSE_STRING_PARAM("-m","--mode", mode)
-    PARSE_STRING_PARAM("-c","--channel", channel)
-#endif
-#ifdef OPT_SERIALCLIENT
-    PARSE_STRING_PARAM("-d","--device", opt->serial_dev_)
-    PARSE_STRING_PARAM("-t","--type", opt->type_)
-#endif
-#ifdef OPT_HEARTBEATCLIENT
-    PARSE_STRING_PARAM("-d","--device", opt->serial_dev_)
-    PARSE_INT_PARAM("-t","--timeout", opt->timeout_)
-    PARSE_STRING_PARAM("-l","--led", opt->led_filename_)
-#endif
-#ifdef OPT_LUACLIENT
-    PARSE_STRING_PARAM("-f","--lua-file", opt->lua_file_)
-#endif
-    else
-      return i;
-  }
-
-  if(mode) {
-    if(!strcmp(mode, "master"))
-      opt->mode_ = MODE_MASTER;
-    else if(!strcmp(mode, "standby"))
-      opt->mode_ = MODE_STANDBY;
-    else {
-      free(mode);
-      return -3;
-    }
-    free(mode);
-  }
-
-  if(channel) {
-    if(!strcmp(channel, "main")) {
-      opt->channel_master_ = CHAN_MAIN;
-      opt->channel_standby_ = CHAN_MAIN;
-    }
-    else if(!strcmp(channel, "music")) {
-      opt->channel_master_ = CHAN_MUSIC;
-      opt->channel_standby_ = CHAN_MUSIC;
-    }
-    else {
-      free(channel);
-      return -4;
-    }
-    free(channel);
-  }
-
-  if(baudrate) {
-    int b = atoi(baudrate);
-    free(baudrate);
-    switch(b) {
-    case 1200: opt->baudrate_ = B1200; break;
-    case 2400: opt->baudrate_ = B2400; break;
-    case 4800: opt->baudrate_ = B4800; break;
-    case 9600: opt->baudrate_ = B9600; break;
-    case 19200: opt->baudrate_ = B19200; break;
-    case 38400: opt->baudrate_ = B38400; break;
-    case 57600: opt->baudrate_ = B57600; break;
-    case 115200: opt->baudrate_ = B115200; break;
-    default: return -5;
-    }
-  }
-
-  return 0;
-}
-
-int options_parse_post(options_t* opt)
-{
-  if(!opt)
-    return -1;
-// nothing to do
-
-#ifdef OPT_SWITCHCTL
-  FILE* conf_file = fopen(opt->conf_file_, "r");
-  if(conf_file) {
-    char buf[100];
-    while(fgets(buf, 100, conf_file) != NULL) {
-      char* tmp, *key, *value;
-      for(tmp = buf;*tmp == ' '; ++tmp);
-      if(*(key = tmp) == 0) continue;
-      for(;*tmp != ' ' && *tmp != 0;++tmp);
-      if(*tmp == 0) continue;
-      *tmp=0;
-      ++tmp;
-      for(;*tmp == ' ';++tmp);
-      if(*(value = tmp) == 0) continue;
-      for(;*tmp != ' ' && *tmp != 0 && *tmp != '\n';++tmp);
-      *tmp = 0;
-
-      if(key_value_storage_add(&opt->alias_table_, key, value))
-        return -2;
-    }
-    fclose(conf_file);
-  }
-  else {
-    log_printf(ERROR,"unable to open conf file (%s): %s", opt->conf_file_, strerror(errno));
-    return -1;
-  }
-#endif
-
-  return 0;
-}
-
-void options_default(options_t* opt)
-{
-  if(!opt)
-    return;
-
-#ifdef OPT_SWITCHCTL
-  opt->progname_ = strdup("switchctl");
-#endif
-#ifdef OPT_SERIALCLIENT
-  opt->progname_ = strdup("serialclient");
-#endif
-#ifdef OPT_STDIOCLIENT
-  opt->progname_ = strdup("stdioclient");
-#endif
-#ifdef OPT_HEARTBEATCLIENT
-  opt->progname_ = strdup("heartbeatclient");
-#endif
-#ifdef OPT_LUACLIENT
-  opt->progname_ = strdup("luaclient");
-#endif
-
-/* common */
-  opt->daemonize_ = 1;
-  opt->username_ = NULL;
-  opt->groupname_ = NULL;
-  opt->chroot_dir_ = NULL;
-  opt->pid_file_ = NULL;
-  string_list_init(&opt->log_targets_);
-
-  opt->command_sock_ = strdup("/var/run/rhctl/switchctl.sock");
-  opt->baudrate_ = B19200;
-
-/* switchctl */
-  opt->mode_ = MODE_MASTER;
-  opt->channel_master_ = CHAN_MAIN;
-  opt->channel_standby_ = CHAN_MAIN;
-  opt->conf_file_ = strdup("/etc/rhctl/switchctl.conf");
-  opt->switch_dev_ = strdup("/dev/audioswitch");
-  key_value_storage_init(&opt->alias_table_);
-
-/* serialclient and heartbeatclient */
-  opt->serial_dev_ = strdup("/dev/ttyUSB0");
-
-/* serialclient only */
-  opt->type_ = NULL;
-
-/* heartbeatclient only */
-  opt->timeout_ = 15;
-  opt->led_filename_ = NULL;
-
-/* luaclient only */
-  opt->lua_file_ = strdup("/usr/share/rhctl/mode-leds.lua");
-}
-
-#ifdef OPT_LUACLIENT
-void options_lua_push_string(lua_State* L, const int tidx, const char* key, const char* value)
-{
-  lua_pushstring(L, key);
-  lua_pushstring(L, value);
-  lua_settable(L, tidx);
-}
-
-void options_lua_push_int(lua_State* L, const int tidx, const char* key, const u_int32_t value)
-{
-  lua_pushstring(L, key);
-  lua_pushinteger(L, value);
-  lua_settable(L, tidx);
-}
-
-void options_lua_push_boolean(lua_State* L, const int tidx, const char* key, const u_int32_t value)
-{
-  lua_pushstring(L, key);
-  lua_pushboolean(L, value);
-  lua_settable(L, tidx);
-}
-
-void options_lua_push_string_list(lua_State* L, const int tidx, string_list_t* lst)
-{
-  if(!lst)
-    return;
-
-  string_list_element_t* tmp = lst->first_;
-  if(tmp) {
-    lua_pushstring(L, "log_targets");
-    lua_newtable(L);
-    int i = 1;
-    while(tmp) {
-      lua_pushinteger(L, i++);
-      lua_pushstring(L, tmp->string_);
-      lua_settable(L, -3);
-      tmp = tmp->next_;
-    }
-    lua_settable(L, tidx);
-  }
-}
-
-void options_lua_push(options_t* opt, lua_State* L)
-{
-  lua_newtable(L);
-
-  options_lua_push_string(L, -3, "progname", opt->progname_);
-  options_lua_push_boolean(L, -3, "daemonize", opt->daemonize_);
-  options_lua_push_string(L, -3, "username", opt->username_);
-  options_lua_push_string(L, -3, "groupname", opt->groupname_);
-  options_lua_push_string(L, -3, "chroot_dir", opt->chroot_dir_);
-  options_lua_push_string(L, -3, "pid_file", opt->pid_file_);
-  options_lua_push_string_list(L, -3, &(opt->log_targets_));
-  options_lua_push_string(L, -3, "command_sock", opt->command_sock_);
-  options_lua_push_string(L, -3, "lua_file", opt->lua_file_);
-}
-#endif
-
-void options_clear(options_t* opt)
-{
-  if(!opt)
-    return;
-
-/* common */
-  if(opt->progname_)
-    free(opt->progname_);
-  if(opt->username_)
-    free(opt->username_);
-  if(opt->groupname_)
-    free(opt->groupname_);
-  if(opt->chroot_dir_)
-    free(opt->chroot_dir_);
-  if(opt->pid_file_)
-    free(opt->pid_file_);
-  string_list_clear(&opt->log_targets_);
-
-  if(opt->command_sock_)
-    free(opt->command_sock_);
-
-/* switchctl */
-  if(opt->conf_file_)
-    free(opt->conf_file_);
-  if(opt->switch_dev_)
-    free(opt->switch_dev_);
-  key_value_storage_clear(&opt->alias_table_);
-
-/* serialclient and heartbeatclient */
-  if(opt->serial_dev_)
-    free(opt->serial_dev_);
-
-/* serialclient only */
-  if(opt->type_)
-    free(opt->type_);
-
-/* heartbeatcleint only */
-  if(opt->led_filename_)
-    free(opt->led_filename_);
-
-/* luaclient only */
-  if(opt->lua_file_)
-    free(opt->lua_file_);
-}
-
-void options_print_usage()
-{
-  printf("USAGE:\n");
-#ifdef OPT_SWITCHCTL
-  printf("switchctl\n");
-#endif
-#ifdef OPT_SERIALCLIENT
-  printf("serialclient\n");
-#endif
-#ifdef OPT_STDIOCLIENT
-  printf("serialclient\n");
-#endif
-#ifdef OPT_HEARTBEATCLIENT
-  printf("heartbeatclient\n");
-#endif
-  printf("  [-h|--help]                         prints this...\n");
-#ifndef OPT_STDIOCLIENT
-  printf("  [-D|--nodaemonize]                  don't run in background\n");
-  printf("  [-u|--username] <username>          change to this user\n");
-  printf("  [-g|--groupname] <groupname>        change to this group\n");
-  printf("  [-C|--chroot] <path>                chroot to this directory\n");
-  printf("  [-P|--write-pid] <path>             write pid to this file\n");
-#endif
-  printf("  [-L|--log] <target>:<level>[,<param1>[,<param2>..]]\n");
-  printf("                                      add a log target, can be invoked several times\n");
-  printf("  [-s|--command-sock] <unix sock>     the command socket e.g. /var/run/rhctl/switchctl.sock\n");
-#ifndef OPT_STDIOCLIENT
-  printf("  [-b|--baudrate] <baudrate>          the baudrate of the tty to use e.g. 19200\n");
-#endif
-#ifdef OPT_SWITCHCTL
-  printf("  [-d|--device] <tty>                 the tty the audio switch is connected to e.g. /dev/audioswitch\n");
-  printf("  [-f|--config] <file>                the configuration file e.g. /etc/rhctl/switchctl.conf\n");
-  printf("  [-m|--mode] <mode>                  the initial mode to use e.g. master\n");
-  printf("  [-c|--channel] <channel>            the initial channel to use e.g. main\n");
-#endif
-#ifdef OPT_SERIALCLIENT
-  printf("  [-d|--device] <tty>                 the tty to connect to e.g. /dev/ttyUSB0\n");
-  printf("  [-t|--type] <type>                  use this client type\n");
-#endif
-#ifdef OPT_HEARTBEATCLIENT
-  printf("  [-d|--device] <tty>                 the tty to connect to e.g. /dev/ttyUSB0\n");
-  printf("  [-t|--timeout] <timeout>            heartbeat timeout in tenths of a second e.g. 15 -> 1.5s\n");
-  printf("  [-l|--led] <led filename>           sysfs filename of led device to blink\n");
-#endif
-#ifdef OPT_LUACLIENT
-  printf("  [-f|--lua-file] <file>              the configuration file e.g. /usr/share/rhctl/mode-leds.lua\n");
-#endif
-}
-
-void options_print(options_t* opt)
-{
-  if(!opt)
-    return;
-
-  printf("progname: '%s'\n", opt->progname_);
-#ifndef OPT_STDIOCLIENT
-  printf("daemonize: %d\n", opt->daemonize_);
-  printf("username: '%s'\n", opt->username_);
-  printf("groupname: '%s'\n", opt->groupname_);
-  printf("chroot_dir: '%s'\n", opt->chroot_dir_);
-  printf("pid_file: '%s'\n", opt->pid_file_);
-#endif
-  printf("log_targets: \n");
-  string_list_print(&opt->log_targets_, "  '", "'\n");
-
-  printf("command_sock: '%s'\n", opt->command_sock_);
-
-#ifndef OPT_STDIOCLIENT
-  char* br;
-  switch(opt->baudrate_) {
-  case B1200: br = "1200"; break;
-  case B2400: br = "2400"; break;
-  case B4800: br = "4800"; break;
-  case B9600: br = "9600"; break;
-  case B19200: br = "19200"; break;
-  case B38400: br = "38400"; break;
-  case B57600: br = "57600"; break;
-  case B115200: br = "115200"; break;
-  default: br = "invalid"; break;
-  }
-  printf("baudrate: '%s'\n", br);
-#endif
-
-#ifdef OPT_SWITCHCTL
-  printf("mode: '%s'\n", opt->mode_ == MODE_MASTER ? "master" : "standby");
-  printf("channel_master: '%s'\n", opt->channel_master_ == CHAN_MAIN ? "main" : "music");
-  printf("channel_standby: '%s'\n", opt->channel_standby_ == CHAN_MAIN ? "main" : "music");
-  printf("conf_file: '%s'\n", opt->conf_file_);
-  printf("switch_dev: '%s'\n", opt->switch_dev_);
-  printf("alias_table: \n");
-  key_value_storage_print(&opt->alias_table_, "  '", "' -> '", "'\n");
-#endif
-
-#ifdef OPT_SERIALCLIENT
-  printf("serial_dev: '%s'\n", opt->serial_dev_);
-  printf("type: '%s'\n", opt->type_);
-#endif
-
-#ifdef OPT_HEARTBEATCLIENT
-  printf("serial_dev: '%s'\n", opt->serial_dev_);
-  printf("timeout: %d\n", opt->timeout_);
-  printf("led_filename: '%s'\n", opt->led_filename_);
-#endif
-
-#ifdef OPT_LUACLIENT
-  printf("lua_file: '%s'\n", opt->lua_file_);
-#endif
-}