*/
#include <stdio.h>
+#include <limits.h>
#include <stdlib.h>
#include <unistd.h>
#include <termios.h>
#include "lib/string.h"
#include "client/client.h"
+#define BIRDC_HISTORY_FILENAME ".birdc_history"
+
static int input_hidden_end;
static int prompt_active;
input_complete(int arg UNUSED, int key UNUSED)
{
static int complete_flag;
- char buf[256];
+ char buf[256] = {};
if (rl_last_func != input_complete)
complete_flag = 0;
return 0;
}
+/**
+ * get_rl_history_filepath - return the string with path to readline history file
+ * @buf: buffer for writing
+ * @size: size of @buf including a |NULL| terminator at the end
+ *
+ * This function returns the string with path to readline history file ($HOME/.birdc_history).
+ * A function is copied from readline repository histfile.c from function history_filename()
+ */
+static char *
+get_rl_history_filepath(char *buf, size_t size)
+{
+ const char *home = getenv("HOME");
+ if (!home)
+ return NULL;
+
+ if (snprintf(buf, size, "%s/%s", home, BIRDC_HISTORY_FILENAME) >= size)
+ return NULL;
+
+ return buf;
+}
+
void
input_init(void)
{
- rl_readline_name = "birdc";
- rl_add_defun("bird-complete", input_complete, '\t');
- rl_add_defun("bird-help", input_help, '?');
- rl_callback_handler_install("bird> ", input_got_line);
+ char path[PATH_MAX];
+ prompt_active = 0;
+
+ if (interactive)
+ {
+ prompt_active = 1;
+
+ rl_readline_name = "birdc";
+ rl_add_defun("bird-complete", input_complete, '\t');
+ rl_add_defun("bird-help", input_help, '?');
+ read_history(get_rl_history_filepath(path, sizeof(path)));
+ rl_callback_handler_install("bird> ", input_got_line);
+ }
// rl_get_screen_size();
term_lns = LINES;
term_cls = COLS;
- prompt_active = 1;
-
// readline library does strange things when stdin is nonblocking.
// if (fcntl(0, F_SETFL, O_NONBLOCK) < 0)
// DIE("fcntl");
void
input_read(void)
{
- rl_callback_read_char();
+ if (interactive)
+ rl_callback_read_char();
+ else
+ simple_input_read();
}
void
void
cleanup(void)
{
+ char path[PATH_MAX];
+
if (init)
return;
+ if (interactive)
+ write_history(get_rl_history_filepath(path, sizeof(path)));
+
input_hide();
rl_callback_handler_remove();
}
#include "client/client.h"
#include "sysdep/unix/unix.h"
-#define INPUT_BUF_LEN 2048
-
struct termios tty_save;
void
input_notify(int prompt)
{
/* No ncurses -> no status to reveal/hide, print prompt manually. */
- if (!prompt)
+ if (!prompt || !interactive)
return;
- printf("bird> ");
+ printf("\rbird> ");
fflush(stdout);
}
-
-static int
-lastnb(char *str, int i)
-{
- while (i--)
- if ((str[i] != ' ') && (str[i] != '\t'))
- return str[i];
-
- return 0;
-}
-
void
input_read(void)
{
- char buf[INPUT_BUF_LEN];
-
- if ((fgets(buf, INPUT_BUF_LEN, stdin) == NULL) || (buf[0] == 0))
- {
- putchar('\n');
- cleanup();
- exit(0);
- }
-
- int l = strlen(buf);
- if ((l+1) == INPUT_BUF_LEN)
- {
- printf("Input too long.\n");
- return;
- }
-
- if (buf[l-1] == '\n')
- buf[--l] = '\0';
-
- if (!interactive)
- printf("%s\n", buf);
-
- if (l == 0)
- return;
-
- if (lastnb(buf, l) == '?')
- {
- cmd_help(buf, strlen(buf));
- return;
- }
-
- submit_command(buf);
+ simple_input_read();
}
static struct termios stored_tty;
#include "lib/string.h"
#include "client/client.h"
#include "sysdep/unix/unix.h"
+#include "client/reply_codes.h"
-#define SERVER_READ_BUF_LEN 4096
+#define SERVER_READ_BUF_LEN 4096
+#define INPUT_BUF_LEN 2048
+#define REFRESH_SYMBOLS_CMD "refresh symbols" /* Name of cli command for retrieve new symbols from daemon */
static char *opt_list = "s:vrl";
static int verbose, restricted, once;
static byte *server_read_pos = server_read_buf;
int init = 1; /* During intial sequence */
-int busy = 1; /* Executing BIRD command */
+int busy = 0; /* Executing BIRD command */
int interactive; /* Whether stdin is terminal */
+int welcomed = 0; /* Was welcome message with BIRD version printed out? */
static int num_lines, skip_input;
int term_lns, term_cls;
+static list symbols;
+static uint longest_symbol_len;
+
/*** Parsing of arguments ***/
tmp += strlen(tmp);
*tmp++ = ' ';
}
- tmp[-1] = 0;
+ tmp[-1] = 0; /* Put ending null-terminator */
once = 1;
interactive = 0;
puts("Press `?' for context sensitive help.");
return 1;
}
+ if (!strncmp(cmd, REFRESH_SYMBOLS_CMD, sizeof(REFRESH_SYMBOLS_CMD)-1))
+ {
+ retrieve_symbols();
+ return 1;
+ }
+
return 0;
}
free(cmd);
}
+static void
+add_to_symbols(int flag, const char *name)
+{
+ struct cli_symbol *sym = malloc(sizeof(struct cli_symbol));
+ sym->flags = flag;
+
+ sym->len = strlen(name);
+ char *name_ = malloc(sym->len + 1);
+ memcpy(name_, name, sym->len + 1);
+ sym->name = name_;
+ add_tail(&symbols, &sym->n);
+
+ if (longest_symbol_len < sym->len)
+ longest_symbol_len = sym->len;
+}
+
+void
+retrieve_symbols(void)
+{
+ /* Purge old symbols */
+ list *syms = cli_get_symbol_list();
+ struct cli_symbol *sym, *next;
+ WALK_LIST_DELSAFE(sym, next, *syms)
+ {
+ rem_node(&sym->n);
+ free((char *) sym->name);
+ free(sym);
+ }
+
+ add_to_symbols(CLI_SF_KW_ALL, "all");
+ add_to_symbols(CLI_SF_KW_OFF, "off");
+
+ submit_server_command(REFRESH_SYMBOLS_CMD);
+}
+
static void
init_commands(void)
{
exit(0);
}
+ init_list(&symbols);
+ longest_symbol_len = 1; /* Be careful, it's used as denominator! */
+
+ /* In symbol list is a BIRD version for welcome message too */
+ if (interactive)
+ retrieve_symbols();
+
input_init();
term_lns = (term_lns > 0) ? term_lns : 25;
DIE("fcntl");
}
+list *
+cli_get_symbol_list(void)
+{
+ return &symbols;
+}
+
+uint
+cli_get_symbol_maxlen(void)
+{
+ return longest_symbol_len;
+}
+
+static void
+process_internal_message(int reply_code, const char *name)
+{
+ u32 flag = 0;
+
+ switch (reply_code)
+ {
+ case RC_BIRD_VERSION_NUM:
+ if (interactive && !welcomed)
+ {
+ welcomed = 1;
+ printf("BIRD %s ready.\n", name);
+ }
+ return;
+
+ case RC_NOTIFY:
+ if (interactive)
+ retrieve_symbols();
+ return;
+
+ /* Symbols */
+ case RC_CONSTANT_NAME: flag = CLI_SF_CONSTANT; break;
+ case RC_VARIABLE_NAME: flag = CLI_SF_VARIABLE; break;
+ case RC_FILTER_NAME: flag = CLI_SF_FILTER; break;
+ case RC_FUNCTION_NAME: flag = CLI_SF_FUNCTION; break;
+ case RC_PROTOCOL_NAME: flag = CLI_SF_PROTOCOL; break;
+ case RC_TABLE_NAME: flag = CLI_SF_TABLE; break;
+ case RC_TEMPLATE_NAME: flag = CLI_SF_TEMPLATE; break;
+ case RC_INTERFACE_NAME: flag = CLI_SF_INTERFACE; break;
+ default:
+ printf("Undefined %d: %s", reply_code, name);
+ return;
+ }
+
+ if (flag && name && *name)
+ add_to_symbols(flag, name);
+}
#define PRINTF(LEN, PARGS...) do { if (!skip_input) len = printf(PARGS); } while(0)
static void
server_got_reply(char *x)
{
- int code;
+ int code = 0;
int len = 0;
- if (*x == '+') /* Async reply */
+ if (*x == '+') { /* Async reply */
+ busy = 1;
+ input_notify(0);
PRINTF(len, ">>> %s\n", x+1);
+ }
else if (x[0] == ' ') /* Continuation */
PRINTF(len, "%s%s\n", verbose ? " " : "", x+1);
else if (strlen(x) > 4 &&
sscanf(x, "%d", &code) == 1 && code >= 0 && code < 10000 &&
(x[4] == ' ' || x[4] == '-'))
{
- if (code)
- PRINTF(len, "%s\n", verbose ? x : x+5);
+ if (code >= 3000 && code < 4000)
+ {
+ process_internal_message(code, x+5);
+ }
+ else if (code)
+ {
+ PRINTF(len, "%s\n", verbose ? x : x+5);
+ }
if (x[4] == ' ')
{
- busy = 0;
- skip_input = 0;
- return;
+ busy = 0;
+ skip_input = 0;
+ return;
}
}
else
}
}
+static int
+lastnb(char *str, int i)
+{
+ while (i--)
+ if ((str[i] != ' ') && (str[i] != '\t'))
+ return str[i];
+
+ return 0;
+}
+
+void
+simple_input_read(void)
+{
+ char buf[INPUT_BUF_LEN];
+
+ if ((fgets(buf, INPUT_BUF_LEN, stdin) == NULL) || (buf[0] == 0))
+ {
+ if (interactive)
+ putchar('\n');
+ cleanup();
+ exit(0);
+ }
+
+ int l = strlen(buf);
+ if ((l+1) == INPUT_BUF_LEN)
+ {
+ printf("Input too long.\n");
+ return;
+ }
+
+ if (buf[l-1] == '\n')
+ buf[--l] = '\0';
+
+ if (l == 0)
+ return;
+
+ if (lastnb(buf, l) == '?')
+ {
+ cmd_help(buf, strlen(buf));
+ return;
+ }
+
+ submit_command(buf);
+}
+
static void
select_loop(void)
{
* Can be freely distributed and used under the terms of the GNU GPL.
*/
+#ifndef _BIRD_CLIENT_H_
+#define _BIRD_CLIENT_H_
extern int init, busy, interactive;
extern int term_lns, term_cls;
/* client.c */
+/* Client Symbol Flags: Types */
+#define CLI_SF_CONSTANT (1 << 0)
+#define CLI_SF_VARIABLE (1 << 1)
+#define CLI_SF_FILTER (1 << 2)
+#define CLI_SF_FUNCTION (1 << 3)
+#define CLI_SF_PROTOCOL (1 << 4)
+#define CLI_SF_TABLE (1 << 5)
+#define CLI_SF_TEMPLATE (1 << 6)
+#define CLI_SF_INTERFACE (1 << 7)
+
+#define CLI_SF_OPTIONAL (1 << 8) /* This node is optional not mandatory */
+#define CLI_SF_PARAMETER (1 << 9) /* A parameter/word will follow after this node */
+
+/* Client Symbol Flags: Keywords */
+#define CLI_SF_KW_ALL (1 << 10)
+#define CLI_SF_KW_OFF (1 << 11)
+
+
+struct cli_symbol
+{
+ node n;
+ const char *name;
+ uint len;
+ u32 flags; /* CLI_SF_* */
+};
+
void submit_command(char *cmd_raw);
/* die() with system error messages */
#define DIE(x, y...) die(x ": %s", ##y, strerror(errno))
+
+void retrieve_symbols(void);
+void add_keywords_to_symbols(void);
+list *cli_get_symbol_list(void);
+uint cli_get_symbol_maxlen(void);
+void simple_input_read(void);
+
+#endif
#include "client/client.h"
struct cmd_info {
+ /* use for build cmd tree and cli commands */
char *command;
char *args;
char *help;
+
+ /* only for build tree */
int is_real_cmd;
+ u32 flags; /* Mask of (CLI_SF_*) */
};
static struct cmd_info command_table[] = {
};
struct cmd_node {
- struct cmd_node *sibling, *son, **plastson;
- struct cmd_info *cmd, *help;
- int len;
- signed char prio;
- char token[1];
+ struct cmd_node *sibling;
+ struct cmd_node *son;
+ struct cmd_node **plastson; /* Helping pointer to son */
+ struct cmd_info *cmd; /* Short info */
+ struct cmd_info *help; /* Detailed info */
+ signed char prio; /* Priority */
+ u32 flags; /* Mask of (CLI_SF_*) */
+ int len; /* Length of string in token */
+ char token[1]; /* Name of command */
};
static struct cmd_node cmd_root;
old->cmd = cmd;
else
old->help = cmd;
+ old->flags |= cmd->flags;
}
}
for(m=root->son; m; m=m->sibling)
if (m->len > len && !memcmp(m->token, cmd, len))
cmd_display_help(m->help, m->cmd);
+
+ struct cli_symbol *sym;
+ list *syms = cli_get_symbol_list();
+ WALK_LIST(sym, *syms)
+ {
+ if ((sym->flags & root->flags) && sym->len > len && memcmp(sym->name, cmd, len) == 0)
+ printf("%s\n", sym->name);
+ }
}
void
cmd_display_help(m->help, m->cmd);
}
+/*
+ * Return length of common prefix of all matches,
+ * Write common prefix string into buf
+ */
+static int
+cmd_merge_match_with_others(int max_common_len, const char *token_name, int token_len, char *buf, int from)
+{
+ if (max_common_len < 0)
+ {
+ /* For a case that we'll have exactly one match */
+ strcpy(buf, token_name + from);
+ max_common_len = token_len - from;
+ }
+ else
+ {
+ int i = 0;
+ while (i < max_common_len && i < token_len - from && buf[i] == token_name[from+i])
+ i++;
+ max_common_len = i;
+ }
+ return max_common_len;
+}
+
+/*
+ * Return length of common prefix of all matches,
+ * Write count of all matches into pcount,
+ * Write common prefix string into buf
+ */
static int
cmd_find_common_match(struct cmd_node *root, char *cmd, int len, int *pcount, char *buf)
{
struct cmd_node *m;
- int best, best_prio, i;
+ int max_common_len;
+ int best_prio;
*pcount = 0;
- best = -1;
+ max_common_len = -1;
best_prio = -1;
for(m=root->son; m; m=m->sibling)
{
if (best_prio < m->prio)
{
*pcount = 0;
- best = -1;
+ max_common_len = -1;
}
+ if (max_common_len < 0)
+ best_prio = m->prio;
+
(*pcount)++;
- if (best < 0)
- {
- strcpy(buf, m->token + len);
- best = m->len - len;
- best_prio = m->prio;
- }
- else
- {
- i = 0;
- while (i < best && i < m->len - len && buf[i] == m->token[len+i])
- i++;
- best = i;
- }
+ max_common_len = cmd_merge_match_with_others(max_common_len, m->token, m->len, buf, len);
}
- return best;
+
+ list *syms = cli_get_symbol_list();
+ struct cli_symbol *sym;
+ WALK_LIST(sym, *syms)
+ {
+ if (!(sym->flags & root->flags))
+ continue;
+
+ if (sym->len < len || memcmp(sym->name, cmd, len))
+ continue;
+
+ (*pcount)++;
+ max_common_len = cmd_merge_match_with_others(max_common_len, sym->name, sym->len, buf, len);
+ }
+
+ return max_common_len;
}
int
char *start = cmd;
char *end = cmd + len;
char *fin;
- struct cmd_node *n, *m;
+ struct cmd_node *n, *m = NULL;
char *z;
int ambig, cnt = 0, common;
/* Find the context */
n = &cmd_root;
- while (cmd < fin && n->son)
+ while (cmd < fin)
{
if (isspace(*cmd))
{
}
if (!m)
return -1;
- n = m;
+
+ /* Try skip a parameter/word */
+ if (m->flags & CLI_SF_PARAMETER)
+ {
+ z = cmd;
+
+ /* Skip spaces before parameter */
+ while (cmd < fin && isspace(*cmd))
+ cmd++;
+
+ /* Skip one parameter/word */
+ while (cmd < fin && !isspace(*cmd))
+ cmd++;
+
+ /* Check ending of parameter */
+ if (isspace(*cmd))
+ {
+ if (m->flags & CLI_SF_OPTIONAL)
+ m = n;
+ continue;
+ }
+ else
+ cmd = z;
+ }
+
+ /* Do not enter to optional command nodes */
+ if (!(m->flags & CLI_SF_OPTIONAL))
+ n = m;
}
- /* Completion of parameters is not yet supported */
- if (!n->son)
- return -1;
+ /* Enter to the last command node */
+ if (m && (m->flags & CLI_SF_PARAMETER))
+ n = m;
/* We know the context, let's try to complete */
common = cmd_find_common_match(n, fin, end-fin, &cnt, buf);
char *
cmd_expand(char *cmd)
{
- struct cmd_node *n, *m;
- char *c, *b, *args;
+ struct cmd_node *n, *m, *last_real_cmd = NULL;
+ char *c, *b, *args, *lrc_args = NULL;
int ambig;
args = c = cmd;
cmd_list_ambiguous(n, b, c-b);
return NULL;
}
+
args = c;
n = m;
+
+ if (m->cmd)
+ {
+ last_real_cmd = m;
+ lrc_args = c;
+ }
}
- if (!n->cmd)
+
+ if (!n->cmd && !last_real_cmd)
{
puts("No such command. Press `?' for help.");
return NULL;
}
+
+ if (last_real_cmd && last_real_cmd != n)
+ {
+ n = last_real_cmd;
+ args = lrc_args;
+ }
b = malloc(strlen(n->cmd->command) + strlen(args) + 1);
sprintf(b, "%s%s", n->cmd->command, args);
return b;
--- /dev/null
+/*
+ * BIRD Client -- Reply codes for communication between client and daemon
+ *
+ * (c) 2016 CZ.NIC z.s.p.o.
+ *
+ * Can be freely distributed and used under the terms of the GNU GPL.
+ */
+
+#ifndef _BIRD_REPLY_CODES_H_
+#define _BIRD_REPLY_CODES_H_
+
+/*
+Reply codes of BIRD command-line interface
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+0xxx Action suceessfully completed
+1xxx Table entry
+2xxx Table heading
+3xxx Internal messages
+8xxx Run-time error
+9xxx Parse-time error
+<space> Continuation
++ Spontaneous printout
+*/
+
+enum reply_code {
+ RC_OK = 0,
+ RC_WELCOME = 1,
+ RC_READING_CONFIGURATION = 2,
+ RC_RECONFIGURED = 3,
+ RC_RECONFIGURATION_IN_PROGRESS = 4,
+ RC_RECONFIGURATION_ALREADY_IN_PROGRESS, QUEUEING = 5,
+ RC_RECONFIGURATION_IGNORED_SHUTTING_DOWN = 6,
+ RC_SHUTDOWN_ORDERED = 7,
+ RC_ALREADY_DISABLED = 8,
+ RC_DISABLED = 9,
+ RC_ALREADY_ENABLED = 10,
+ RC_ENABLED = 11,
+ RC_RESTARTED = 12,
+ RC_STATUS_REPORT = 13,
+ RC_ROUTE_COUNT = 14,
+ RC_RELOADING = 15,
+ RC_ACCESS_RESTRICTED = 16,
+ RC_RECONFIGURATION_ALREADY_IN_PROGRESS_REMOVING_QUEUED_CONFIG = 17,
+ RC_RECONFIGURATION_CONFIRMED = 18,
+ RC_NOTHING_TO_DO_CONFIGURE_UNDO_CONFIRM = 19,
+ RC_CONFIGURATION_OK = 20,
+ RC_UNDO_REQUESTED = 21,
+ RC_UNDO_SCHEDULED = 22,
+ RC_EVALUATION_OF_EXPRESSION = 23,
+ RC_GRACEFUL_RESTART_STATUS_REPORT = 24,
+
+ RC_BIRD_VERSION = 1000,
+ RC_INTERFACE_LIST = 1001,
+ RC_PROTOCOL_LIST = 1002,
+ RC_INTERFACE_ADDRESS = 1003,
+ RC_INTERFACE_FLAGS = 1004,
+ RC_INTERFACE_SUMMARY = 1005,
+ RC_PROTOCOL_DETAILS = 1006,
+ RC_ROUTE_LIST = 1007,
+ RC_ROUTE_DETAILS = 1008,
+ RC_STATIC_ROUTE_LIST = 1009,
+ RC_SYMBOL_LIST = 1010,
+ RC_UPTIME = 1011,
+ RC_ROUTE_EXTENDED_ATTRIBUTE_LIST = 1012,
+ RC_SHOW_OSPF_NEIGHBORS = 1013,
+ RC_SHOW_OSPF = 1014,
+ RC_SHOW_OSPF_INTERFACE = 1015,
+ RC_SHOW_OSPF_STATE_TOPOLOGY = 1016,
+ RC_SHOW_OSPF_LSADB = 1017,
+ RC_SHOW_MEMORY = 1018,
+ RC_SHOW_ROA_LIST = 1019,
+ RC_SHOW_BFD_SESSIONS = 1020,
+ RC_SHOW_RIP_INTERFACE = 1021,
+ RC_SHOW_RIP_NEIGHBORS = 1022,
+
+ RC_BIRD_VERSION_NUM = 3000,
+ RC_TABLE_NAME = 3001,
+ RC_PROTOCOL_NAME = 3002,
+ RC_FILTER_NAME = 3003,
+ RC_FUNCTION_NAME = 3004,
+ RC_CONSTANT_NAME = 3005,
+ RC_VARIABLE_NAME = 3006,
+ RC_TEMPLATE_NAME = 3007,
+ RC_INTERFACE_NAME = 3008,
+ RC_NOTIFY = 3009, /* Daemon notifies the client about new symbol set */
+
+ RC_REPLY_TOO_LONG = 8000,
+ RC_ROUTE_NOT_FOUND = 8001,
+ RC_CONFIGURATION_FILE_ERROR = 8002,
+ RC_NO_PROTOCOLS_MATCH = 8003,
+ RC_STOPPED_DUE_TO_RECONFIGURATION = 8004,
+ RC_PROTOCOL_IS_DOWN_CANNOT_DUMP = 8005,
+ RC_RELOAD_FAILED = 8006,
+ RC_ACCESS_DENIED = 8007,
+ RC_EVALUATION_RUNTIME_ERROR = 8008,
+
+ RC_COMMAND_TOO_LONG = 9000,
+ RC_PARSE_ERROR = 9001,
+ RC_INVALID_SYMBOL_TYPE = 9002,
+};
+
+#endif
+
}
extern void cmd_reconfig_undo_notify(void);
+extern void cmd_reconfig_msg(int r);
static void
config_timeout(struct timer *t)
int r = config_undo();
if (r < 0)
log(L_ERR "Undo request failed");
+
+ cmd_reconfig_msg(r);
}
void
static inline int cf_symbol_is_constant(struct symbol *sym)
{ return (sym->class & 0xff00) == SYM_CONSTANT; }
+static inline int cf_symbol_is_variable(struct symbol *sym)
+{ return (sym->class & 0xff00) == SYM_VARIABLE; }
+
/* Parser */
# Can be freely distributed and used under the terms of the GNU GPL.
#
-m4_define(CF_CLI, `m4_divert(0){ "m4_translit($1,A-Z,a-z)", "$3", "$4", 1 },
+m4_define(CF_CLI, `m4_divert(0){ "m4_translit($1,A-Z,a-z)", "$3", "$4", 1, $5 },
m4_divert(-1)')
-m4_define(CF_CLI_CMD, `m4_divert(0){ "m4_translit($1,A-Z,a-z)", "$2", "$3", 1 },
+m4_define(CF_CLI_CMD, `m4_divert(0){ "m4_translit($1,A-Z,a-z)", "$2", "$3", 1, 0 },
m4_divert(-1)')
-m4_define(CF_CLI_HELP, `m4_divert(0){ "m4_translit($1,A-Z,a-z)", "$2", "$3", 0 },
+m4_define(CF_CLI_HELP, `m4_divert(0){ "m4_translit($1,A-Z,a-z)", "$2", "$3", 0, $4 },
m4_divert(-1)')
# As we are processing C source, we must access all M4 primitives via
* white space character.
*
* Reply codes starting with 0 stand for `action successfully completed' messages,
- * 1 means `table entry', 8 `runtime error' and 9 `syntax error'.
+ * 1 means `table entry', 3 means `internal message`, 8 `runtime error' and 9
+ * `syntax error'.
*
* Each CLI session is internally represented by a &cli structure and a
* resource pool containing all resources associated with the connection,
#include "nest/cli.h"
#include "conf/conf.h"
#include "lib/string.h"
+#include "client/reply_codes.h"
pool *cli_pool;
+static list cli_client_list;
static byte *
cli_alloc_out(cli *c, int size)
q[-1] = '\n';
}
-static void
-cli_hello(cli *c)
-{
- cli_printf(c, 1, "BIRD " BIRD_VERSION " ready.");
- c->cont = NULL;
-}
-
static void
cli_free_out(cli *c)
{
ev_schedule(c->event);
}
-
+/* cli read hooks variables */
static byte *cli_rh_pos;
static uint cli_rh_len;
static int cli_rh_trick_flag;
cli_new(void *priv)
{
pool *p = rp_new(cli_pool, "CLI");
- cli *c = mb_alloc(p, sizeof(cli));
+ cli *c = mb_allocz(p, sizeof(cli));
- bzero(c, sizeof(cli));
c->pool = p;
c->priv = priv;
c->event = ev_new(p);
c->event->hook = cli_event;
c->event->data = c;
- c->cont = cli_hello;
+ c->cont = NULL;
c->parser_pool = lp_new(c->pool, 4096);
c->rx_buf = mb_alloc(c->pool, CLI_RX_BUF_SIZE);
ev_schedule(c->event);
+ add_tail(&cli_client_list, &c->cli_client_node);
return c;
}
c->cleanup(c);
if (c == cmd_reconfig_stored_cli)
cmd_reconfig_stored_cli = NULL;
+ rem_node(&c->cli_client_node);
rfree(c->pool);
}
cli_pool = rp_new(&root_pool, "CLI");
init_list(&cli_log_hooks);
cli_log_inited = 1;
+ init_list(&cli_client_list);
+}
+
+/**
+ * cli_notify_all_clients - send push notification to all cli clients
+ *
+ * Send a notification to all command line clients about some news.
+ * Client could then send a request for pulling symbols.
+ */
+void
+cli_notify_all_clients(void)
+{
+ struct cli *cli;
+ node *n;
+ WALK_LIST2(cli, n, cli_client_list, cli_client_node)
+ {
+ cli_printf(cli, RC_NOTIFY, "");
+ cli_write_trigger(cli);
+ }
}
typedef struct cli {
node n; /* Node in list of all log hooks */
+ node cli_client_node; /* Node in list of all cli clients */
pool *pool;
void *priv; /* Private to sysdep layer */
byte *rx_buf, *rx_pos, *rx_aux; /* sysdep */
void cli_kick(cli *);
void cli_written(cli *);
void cli_echo(uint class, byte *msg);
+void cli_notify_all_clients(void);
static inline int cli_access_restricted(void)
{
#include "lib/string.h"
#include "lib/resource.h"
#include "filter/filter.h"
+#include "client/reply_codes.h"
+#include "nest/iface.h"
extern int shutting_down;
extern int configuring;
}
}
+static int
+get_cli_code_for_sym(struct symbol *sym)
+{
+ if (cf_symbol_is_constant(sym))
+ return RC_CONSTANT_NAME;
+
+ if (cf_symbol_is_variable(sym))
+ return RC_VARIABLE_NAME;
+
+ switch (sym->class & 0xff)
+ {
+ case SYM_PROTO: return RC_PROTOCOL_NAME;
+ case SYM_TEMPLATE: return RC_TEMPLATE_NAME;
+ case SYM_FUNCTION: return RC_FUNCTION_NAME;
+ case SYM_FILTER: return RC_FILTER_NAME;
+ case SYM_TABLE: return RC_TABLE_NAME;
+ default:
+ log(L_ERR "Undefined class %d of %s", sym->class, sym->name);
+ }
+ return 0;
+}
+
+/**
+ * cmd_send_symbols - send all symbols for auto-completion interactive CLI
+ *
+ * This function sends all known symbols for auto-completion interactive BIRD's
+ * CLI. The first symbol is version of BIRD.
+ */
+void
+cmd_send_symbols(void)
+{
+ int code, pos = 0;
+ struct symbol *sym = NULL;
+
+ cli_msg(RC_BIRD_VERSION_NUM, "%s", BIRD_VERSION);
+
+ while (sym = cf_walk_symbols(config, sym, &pos))
+ {
+ code = get_cli_code_for_sym(sym);
+ cli_msg(code, "%s", sym->name);
+ }
+
+ struct iface *i;
+ WALK_LIST(i, iface_list)
+ if (!(i->flags & IF_SHUTDOWN))
+ cli_msg(RC_INTERFACE_NAME, "\"%s\"", i->name);
+
+ cli_msg(0, "");
+}
+
static void
print_size(char *dsc, size_t val)
{
void cmd_show_status(void);
void cmd_show_symbols(struct sym_show_data *sym);
+void cmd_send_symbols(void);
void cmd_show_memory(void);
void cmd_eval(struct f_inst *expr);
CF_KEYWORDS(LISTEN, BGP, V6ONLY, DUAL, ADDRESS, PORT, PASSWORDS, DESCRIPTION, SORTED)
CF_KEYWORDS(RELOAD, IN, OUT, MRTDUMP, MESSAGES, RESTRICT, MEMORY, IGP_METRIC, CLASS, DSCP)
CF_KEYWORDS(GRACEFUL, RESTART, WAIT, MAX, FLUSH, AS)
+CF_KEYWORDS(REFRESH)
CF_ENUM(T_ENUM_RTS, RTS_, DUMMY, STATIC, INHERIT, DEVICE, STATIC_DEVICE, REDIRECT,
RIP, OSPF, OSPF_IA, OSPF_EXT1, OSPF_EXT2, BGP, PIPE)
CF_CLI(SHOW MEMORY,,, [[Show memory usage]])
{ cmd_show_memory(); } ;
-CF_CLI(SHOW PROTOCOLS, proto_patt2, [<protocol> | \"<pattern>\"], [[Show routing protocols]])
+CF_CLI(SHOW PROTOCOLS, proto_patt2, [<protocol> | \"<pattern>\"], [[Show routing protocols]], CLI_SF_PROTOCOL)
{ proto_apply_cmd($3, proto_cmd_show, 0, 0); } ;
-CF_CLI(SHOW PROTOCOLS ALL, proto_patt2, [<protocol> | \"<pattern>\"], [[Show routing protocol details]])
+CF_CLI(SHOW PROTOCOLS ALL, proto_patt2, [<protocol> | \"<pattern>\"], [[Show routing protocol details]], CLI_SF_PROTOCOL)
{ proto_apply_cmd($4, proto_cmd_show, 0, 1); } ;
optsym:
CF_CLI(SHOW ROUTE, r_args, [[[<prefix>|for <prefix>|for <ip>] [table <t>] [filter <f>|where <cond>] [all] [primary] [filtered] [(export|preexport|noexport) <p>] [protocol <p>] [stats|count]]], [[Show routing table]])
{ rt_show($3); } ;
+CF_CLI_HELP(SHOW ROUTE FOR, <prefix> | <ip> ...,, CLI_SF_OPTIONAL | CLI_SF_PARAMETER)
+CF_CLI_HELP(SHOW ROUTE TABLE, <table> ...,, CLI_SF_OPTIONAL | CLI_SF_PARAMETER | CLI_SF_TABLE)
+CF_CLI_HELP(SHOW ROUTE FILTER, <filter> ...,, CLI_SF_OPTIONAL | CLI_SF_PARAMETER | CLI_SF_FILTER)
+CF_CLI_HELP(SHOW ROUTE WHERE, <condition> ...,, CLI_SF_OPTIONAL | CLI_SF_PARAMETER)
+CF_CLI_HELP(SHOW ROUTE ALL, ...,, CLI_SF_OPTIONAL)
+CF_CLI_HELP(SHOW ROUTE PRIMARY, ...,, CLI_SF_OPTIONAL)
+CF_CLI_HELP(SHOW ROUTE FILTRED, ...,, CLI_SF_OPTIONAL)
+CF_CLI_HELP(SHOW ROUTE EXPORT, <protocol> ...,, CLI_SF_OPTIONAL | CLI_SF_PARAMETER | CLI_SF_PROTOCOL)
+CF_CLI_HELP(SHOW ROUTE PREEXPORT, <protocol> ...,, CLI_SF_OPTIONAL | CLI_SF_PARAMETER | CLI_SF_PROTOCOL)
+CF_CLI_HELP(SHOW ROUTE NOEXPORT, <protocol> ...,, CLI_SF_OPTIONAL | CLI_SF_PARAMETER | CLI_SF_PROTOCOL)
+CF_CLI_HELP(SHOW ROUTE PROTOCOL, <protocol> ...,, CLI_SF_OPTIONAL | CLI_SF_PARAMETER | CLI_SF_PROTOCOL)
+CF_CLI_HELP(SHOW ROUTE STATS, ...,, CLI_SF_OPTIONAL)
+CF_CLI_HELP(SHOW ROUTE COUNT, ...,, CLI_SF_OPTIONAL)
+
r_args:
/* empty */ {
$$ = cfg_allocz(sizeof(struct rt_show_data));
CF_CLI_HELP(SHOW SYMBOLS, ..., [[Show all known symbolic names]])
-CF_CLI(SHOW SYMBOLS, sym_args, [table|filter|function|protocol|template|<symbol>], [[Show all known symbolic names]])
+CF_CLI(SHOW SYMBOLS, sym_args, [table|filter|function|protocol|template|<symbol>], [[Show all known symbolic names]], ~CLI_SF_OPTIONAL)
{ cmd_show_symbols($3); } ;
+CF_CLI_HELP(REFRESH, symbols, [[Check out new symbols from daemon for autocomplete in BIRD Client]])
+CF_CLI(REFRESH SYMBOLS,,, [[Check out new symbols from daemon for autocomplete in BIRD Client]])
+{ cmd_send_symbols(); } ;
+
sym_args:
/* empty */ {
$$ = cfg_allocz(sizeof(struct sym_show_data));
CF_CLI(DUMP PROTOCOLS,,, [[Dump protocol information]])
{ protos_dump_all(); cli_msg(0, ""); } ;
-CF_CLI(EVAL, term, <expr>, [[Evaluate an expression]])
+CF_CLI(EVAL, term, <expr>, [[Evaluate an expression]], CLI_SF_CONSTANT | CLI_SF_VARIABLE)
{ cmd_eval($2); } ;
CF_CLI_HELP(ECHO, ..., [[Control echoing of log messages]])
-CF_CLI(ECHO, echo_mask echo_size, (all | off | { debug | trace | info | remote | warning | error | auth }) [<buffer-size>], [[Control echoing of log messages]]) {
+CF_CLI(ECHO, echo_mask echo_size, (all | off | { debug | trace | info | remote | warning | error | auth }) [<buffer-size>], [[Control echoing of log messages]], CLI_SF_KW_ALL | CLI_SF_KW_OFF) {
cli_set_log_echo(this_cli, $2, $3);
cli_msg(0, "");
} ;
}
;
-CF_CLI(DISABLE, proto_patt, <protocol> | \"<pattern>\" | all, [[Disable protocol]])
+CF_CLI(DISABLE, proto_patt, <protocol> | \"<pattern>\" | all, [[Disable protocol]], CLI_SF_PROTOCOL | CLI_SF_KW_ALL)
{ proto_apply_cmd($2, proto_cmd_disable, 1, 0); } ;
-CF_CLI(ENABLE, proto_patt, <protocol> | \"<pattern>\" | all, [[Enable protocol]])
+CF_CLI(ENABLE, proto_patt, <protocol> | \"<pattern>\" | all, [[Enable protocol]], CLI_SF_PROTOCOL | CLI_SF_KW_ALL)
{ proto_apply_cmd($2, proto_cmd_enable, 1, 0); } ;
-CF_CLI(RESTART, proto_patt, <protocol> | \"<pattern>\" | all, [[Restart protocol]])
+CF_CLI(RESTART, proto_patt, <protocol> | \"<pattern>\" | all, [[Restart protocol]], CLI_SF_PROTOCOL | CLI_SF_KW_ALL)
{ proto_apply_cmd($2, proto_cmd_restart, 1, 0); } ;
-CF_CLI(RELOAD, proto_patt, <protocol> | \"<pattern>\" | all, [[Reload protocol]])
+CF_CLI(RELOAD, proto_patt, <protocol> | \"<pattern>\" | all, [[Reload protocol]], CLI_SF_PROTOCOL | CLI_SF_KW_ALL)
{ proto_apply_cmd($2, proto_cmd_reload, 1, CMD_RELOAD); } ;
-CF_CLI(RELOAD IN, proto_patt, <protocol> | \"<pattern>\" | all, [[Reload protocol (just imported routes)]])
+CF_CLI(RELOAD IN, proto_patt, <protocol> | \"<pattern>\" | all, [[Reload protocol (just imported routes)]], CLI_SF_PROTOCOL | CLI_SF_KW_ALL)
{ proto_apply_cmd($3, proto_cmd_reload, 1, CMD_RELOAD_IN); } ;
-CF_CLI(RELOAD OUT, proto_patt, <protocol> | \"<pattern>\" | all, [[Reload protocol (just exported routes)]])
+CF_CLI(RELOAD OUT, proto_patt, <protocol> | \"<pattern>\" | all, [[Reload protocol (just exported routes)]], CLI_SF_PROTOCOL | CLI_SF_KW_ALL)
{ proto_apply_cmd($3, proto_cmd_reload, 1, CMD_RELOAD_OUT); } ;
CF_CLI_HELP(DEBUG, ..., [[Control protocol debugging via BIRD logs]])
-CF_CLI(DEBUG, proto_patt debug_mask, (<protocol> | <pattern> | all) (all | off | { states | routes | filters | interfaces | events | packets }), [[Control protocol debugging via BIRD logs]])
+CF_CLI(DEBUG, proto_patt debug_mask, (<protocol> | <pattern> | all) (all | off | { states | routes | filters | interfaces | events | packets }), [[Control protocol debugging via BIRD logs]], CLI_SF_PROTOCOL | CLI_SF_KW_ALL | CLI_SF_KW_OFF | CLI_SF_PARAMETER)
{ proto_apply_cmd($2, proto_cmd_debug, 1, $3); } ;
CF_CLI_HELP(MRTDUMP, ..., [[Control protocol debugging via MRTdump files]])
-CF_CLI(MRTDUMP, proto_patt mrtdump_mask, (<protocol> | <pattern> | all) (all | off | { states | messages }), [[Control protocol debugging via MRTdump format]])
+CF_CLI(MRTDUMP, proto_patt mrtdump_mask, (<protocol> | <pattern> | all) (all | off | { states | messages }), [[Control protocol debugging via MRTdump format]], CLI_SF_PROTOCOL | CLI_SF_KW_ALL | CLI_SF_KW_OFF | CLI_SF_PARAMETER)
{ proto_apply_cmd($2, proto_cmd_mrtdump, 1, $3); } ;
CF_CLI(RESTRICT,,,[[Restrict current CLI session to safe commands]])
#endif
if (c & IF_CHANGE_DOWN)
+ {
neigh_if_down(i);
- if (c & IF_CHANGE_DOWN)
WALK_LIST(a, i->addrs)
{
a->flags = (i->flags & ~IA_FLAGS) | (a->flags & IA_FLAGS);
ifa_notify_change_(IF_CHANGE_DOWN, a);
}
+ cli_notify_all_clients();
+ }
+
WALK_LIST(p, proto_list)
if_send_notify(p, c, i);
if (c & IF_CHANGE_UP)
+ {
WALK_LIST(a, i->addrs)
{
a->flags = (i->flags & ~IA_FLAGS) | (a->flags & IA_FLAGS);
ifa_notify_change_(IF_CHANGE_UP, a);
}
- if (c & IF_CHANGE_UP)
neigh_if_up(i);
+ cli_notify_all_clients();
+ }
if ((c & (IF_CHANGE_UP | IF_CHANGE_DOWN | IF_CHANGE_LINK)) == IF_CHANGE_LINK)
neigh_if_link(i);
CF_ADDTO(dynamic_attr, OSPF_ROUTER_ID { $$ = f_new_dynamic_attr(EAF_TYPE_ROUTER_ID | EAF_TEMP, T_QUAD, EA_OSPF_ROUTER_ID); })
CF_CLI_HELP(SHOW OSPF, ..., [[Show information about OSPF protocol]]);
-CF_CLI(SHOW OSPF, optsym, [<name>], [[Show information about OSPF protocol XXX]])
+CF_CLI(SHOW OSPF, optsym, [<name>], [[Show information about OSPF protocol XXX]], CLI_SF_PROTOCOL)
{ ospf_sh(proto_get_named($3, &proto_ospf)); };
-CF_CLI(SHOW OSPF NEIGHBORS, optsym opttext, [<name>] [\"<interface>\"], [[Show information about OSPF neighbors]])
+CF_CLI(SHOW OSPF NEIGHBORS, optsym opttext, [<name>] [\"<interface>\"], [[Show information about OSPF neighbors]], CLI_SF_PROTOCOL | CLI_SF_INTERFACE | CLI_SF_PARAMETER)
{ ospf_sh_neigh(proto_get_named($4, &proto_ospf), $5); };
-CF_CLI(SHOW OSPF INTERFACE, optsym opttext, [<name>] [\"<interface>\"], [[Show information about interface]])
+CF_CLI(SHOW OSPF INTERFACE, optsym opttext, [<name>] [\"<interface>\"], [[Show information about interface]], CLI_SF_PROTOCOL | CLI_SF_INTERFACE | CLI_SF_PARAMETER)
{ ospf_sh_iface(proto_get_named($4, &proto_ospf), $5); };
CF_CLI_HELP(SHOW OSPF TOPOLOGY, [all] [<name>], [[Show information about OSPF network topology]])
CF_CLI(SHOW OSPF TOPOLOGY, optsym opttext, [<name>], [[Show information about reachable OSPF network topology]])
{ ospf_sh_state(proto_get_named($4, &proto_ospf), 0, 1); };
-CF_CLI(SHOW OSPF TOPOLOGY ALL, optsym opttext, [<name>], [[Show information about all OSPF network topology]])
+CF_CLI(SHOW OSPF TOPOLOGY ALL, optsym opttext, [<name>], [[Show information about all OSPF network topology]], CLI_SF_PROTOCOL)
{ ospf_sh_state(proto_get_named($5, &proto_ospf), 0, 0); };
CF_CLI_HELP(SHOW OSPF STATE, [all] [<name>], [[Show information about OSPF network state]])
-CF_CLI(SHOW OSPF STATE, optsym opttext, [<name>], [[Show information about reachable OSPF network state]])
+CF_CLI(SHOW OSPF STATE, optsym opttext, [<name>], [[Show information about reachable OSPF network state]], CLI_SF_PROTOCOL)
{ ospf_sh_state(proto_get_named($4, &proto_ospf), 1, 1); };
-CF_CLI(SHOW OSPF STATE ALL, optsym opttext, [<name>], [[Show information about all OSPF network state]])
+CF_CLI(SHOW OSPF STATE ALL, optsym opttext, [<name>], [[Show information about all OSPF network state]], CLI_SF_PROTOCOL)
{ ospf_sh_state(proto_get_named($5, &proto_ospf), 1, 0); };
-CF_CLI_HELP(SHOW OSPF LSADB, ..., [[Show content of OSPF LSA database]]);
-CF_CLI(SHOW OSPF LSADB, lsadb_args, [global | area <id> | link] [type <num>] [lsid <id>] [self | router <id>] [<proto>], [[Show content of OSPF LSA database]])
+CF_CLI_HELP(SHOW OSPF LSADB, ..., [[Show content of OSPF LSA database]])
+CF_CLI(SHOW OSPF LSADB, lsadb_args, [global | area <id> | link] [type <num>] [lsid <id>] [self | router <id>] [<proto>], [[Show content of OSPF LSA database]], CLI_SF_PROTOCOL)
{ ospf_sh_lsadb($4); };
+CF_CLI_HELP(SHOW OSPF LSADB GLOBAL, ...,, CLI_SF_OPTIONAL)
+CF_CLI_HELP(SHOW OSPF LSADB AREA, <id> ...,, CLI_SF_OPTIONAL | CLI_SF_PARAMETER)
+CF_CLI_HELP(SHOW OSPF LSADB LINK, ...,, CLI_SF_OPTIONAL)
+CF_CLI_HELP(SHOW OSPF LSADB TYPE, <num> ...,, CLI_SF_OPTIONAL | CLI_SF_PARAMETER)
+CF_CLI_HELP(SHOW OSPF LSADB LSID, <num> ...,, CLI_SF_OPTIONAL | CLI_SF_PARAMETER)
+CF_CLI_HELP(SHOW OSPF LSADB SELF, ...,, CLI_SF_OPTIONAL)
+CF_CLI_HELP(SHOW OSPF LSADB ROUTER, <num> ...,, CLI_SF_OPTIONAL | CLI_SF_PARAMETER)
lsadb_args:
/* empty */ {
#include "nest/locks.h"
#include "conf/conf.h"
#include "filter/filter.h"
+#include "client/reply_codes.h"
#include "unix.h"
#include "krt.h"
config_free(conf);
}
-static void
+void
cmd_reconfig_msg(int r)
{
switch (r)
{
- case CONF_DONE: cli_msg( 3, "Reconfigured"); break;
+ case CONF_DONE: cli_msg( 3, "Reconfigured"); cli_msg(RC_NOTIFY, ""); cli_msg(19, "Nothing to do"); break;
case CONF_PROGRESS: cli_msg( 4, "Reconfiguration in progress"); break;
case CONF_QUEUED: cli_msg( 5, "Reconfiguration already in progress, queueing new config"); break;
case CONF_UNQUEUED: cli_msg(17, "Reconfiguration already in progress, removing queued config"); break;