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Diffstat (limited to 'client')
-rw-r--r--client/Makefile2
-rw-r--r--client/client.h14
-rw-r--r--client/client_common.c179
-rw-r--r--client/client_full.c256
4 files changed, 248 insertions, 203 deletions
diff --git a/client/Makefile b/client/Makefile
index 74b30b77..fdefe6ab 100644
--- a/client/Makefile
+++ b/client/Makefile
@@ -1,4 +1,4 @@
-source=client_full.c commands.c util.c
+source=client_full.c commands.c util.c client_common.c
root-rel=../
dir-name=client
diff --git a/client/client.h b/client/client.h
index 64de97ec..373b1c6f 100644
--- a/client/client.h
+++ b/client/client.h
@@ -18,3 +18,17 @@ void cmd_build_tree(void);
void cmd_help(char *cmd, int len);
int cmd_complete(char *cmd, int len, char *buf, int again);
char *cmd_expand(char *cmd);
+
+/* client_common.c */
+
+#define STATE_PROMPT 0
+#define STATE_CMD_SERVER 1
+#define STATE_CMD_USER 2
+
+#define SERVER_READ_BUF_LEN 4096
+
+int handle_internal_command(char *cmd);
+void submit_server_command(char *cmd);
+void server_connect(void);
+void server_read(void);
+void server_send(char *cmd);
diff --git a/client/client_common.c b/client/client_common.c
new file mode 100644
index 00000000..5f0a36dd
--- /dev/null
+++ b/client/client_common.c
@@ -0,0 +1,179 @@
+/*
+ * BIRD Client
+ *
+ * (c) 1999--2004 Martin Mares <mj@ucw.cz>
+ * (c) 2013 Tomas Hlavacek <tmshlvck@gmail.com>
+ *
+ * Can be freely distributed and used under the terms of the GNU GPL.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <sys/types.h>
+
+#include "nest/bird.h"
+#include "lib/resource.h"
+#include "lib/string.h"
+#include "client/client.h"
+#include "sysdep/unix/unix.h"
+
+char *server_path = PATH_CONTROL_SOCKET;
+int server_fd;
+byte server_read_buf[SERVER_READ_BUF_LEN];
+byte *server_read_pos = server_read_buf;
+
+int input_initialized;
+int input_hidden_end;
+int cstate = STATE_CMD_SERVER;
+int nstate = STATE_CMD_SERVER;
+
+int num_lines, skip_input, interactive;
+
+
+/*** Input ***/
+
+int
+handle_internal_command(char *cmd)
+{
+ if (!strncmp(cmd, "exit", 4) || !strncmp(cmd, "quit", 4))
+ {
+ cleanup();
+ exit(0);
+ }
+ if (!strncmp(cmd, "help", 4))
+ {
+ puts("Press `?' for context sensitive help.");
+ return 1;
+ }
+ return 0;
+}
+
+void
+submit_server_command(char *cmd)
+{
+ server_send(cmd);
+ nstate = STATE_CMD_SERVER;
+ num_lines = 2;
+}
+
+/*** Communication with server ***/
+
+void
+server_connect(void)
+{
+ struct sockaddr_un sa;
+
+ server_fd = socket(AF_UNIX, SOCK_STREAM, 0);
+ if (server_fd < 0)
+ die("Cannot create socket: %m");
+
+ if (strlen(server_path) >= sizeof(sa.sun_path))
+ die("server_connect: path too long");
+
+ bzero(&sa, sizeof(sa));
+ sa.sun_family = AF_UNIX;
+ strcpy(sa.sun_path, server_path);
+ if (connect(server_fd, (struct sockaddr *) &sa, SUN_LEN(&sa)) < 0)
+ die("Unable to connect to server control socket (%s): %m", server_path);
+ if (fcntl(server_fd, F_SETFL, O_NONBLOCK) < 0)
+ die("fcntl: %m");
+}
+
+void
+server_read(void)
+{
+ int c;
+ byte *start, *p;
+
+ redo:
+ c = read(server_fd, server_read_pos, server_read_buf + sizeof(server_read_buf) - server_read_pos);
+ if (!c)
+ die("Connection closed by server.");
+ if (c < 0)
+ {
+ if (errno == EINTR)
+ goto redo;
+ else
+ die("Server read error: %m");
+ }
+
+ start = server_read_buf;
+ p = server_read_pos;
+ server_read_pos += c;
+ while (p < server_read_pos)
+ if (*p++ == '\n')
+ {
+ p[-1] = 0;
+ server_got_reply(start);
+ start = p;
+ }
+ if (start != server_read_buf)
+ {
+ int l = server_read_pos - start;
+ memmove(server_read_buf, start, l);
+ server_read_pos = server_read_buf + l;
+ }
+ else if (server_read_pos == server_read_buf + sizeof(server_read_buf))
+ {
+ strcpy(server_read_buf, "?<too-long>");
+ server_read_pos = server_read_buf + 11;
+ }
+}
+
+void
+wait_for_write(int fd)
+{
+ while (1)
+ {
+ int rv;
+ fd_set set;
+ FD_ZERO(&set);
+ FD_SET(fd, &set);
+
+ rv = select(fd+1, NULL, &set, NULL, NULL);
+ if (rv < 0)
+ {
+ if (errno == EINTR)
+ continue;
+ else
+ die("select: %m");
+ }
+
+ if (FD_ISSET(server_fd, &set))
+ return;
+ }
+}
+
+void
+server_send(char *cmd)
+{
+ int l = strlen(cmd);
+ byte *z = alloca(l + 1);
+
+ memcpy(z, cmd, l);
+ z[l++] = '\n';
+ while (l)
+ {
+ int cnt = write(server_fd, z, l);
+
+ if (cnt < 0)
+ {
+ if (errno == EAGAIN)
+ wait_for_write(server_fd);
+ else if (errno == EINTR)
+ continue;
+ else
+ die("Server write error: %m");
+ }
+ else
+ {
+ l -= cnt;
+ z += cnt;
+ }
+ }
+}
diff --git a/client/client_full.c b/client/client_full.c
index d8f0060c..9b4dd2fb 100644
--- a/client/client_full.c
+++ b/client/client_full.c
@@ -31,21 +31,17 @@ static char *init_cmd;
static int once;
static int restricted;
-static char *server_path = PATH_CONTROL_SOCKET;
-static int server_fd;
-static byte server_read_buf[4096];
-static byte *server_read_pos = server_read_buf;
+extern char *server_path;
+extern int server_fd;
+extern byte server_read_buf[SERVER_READ_BUF_LEN];
+extern byte *server_read_pos;
-#define STATE_PROMPT 0
-#define STATE_CMD_SERVER 1
-#define STATE_CMD_USER 2
+extern int input_initialized;
+extern int input_hidden_end;
+extern int cstate;
+extern int nstate;
-static int input_initialized;
-static int input_hidden_end;
-static int cstate = STATE_CMD_SERVER;
-static int nstate = STATE_CMD_SERVER;
-
-static int num_lines, skip_input, interactive;
+extern int num_lines, skip_input, interactive;
/*** Parsing of arguments ***/
@@ -102,37 +98,11 @@ parse_args(int argc, char **argv)
/*** Input ***/
-static void server_send(char *);
-
/* HACK: libreadline internals we need to access */
extern int _rl_vis_botlin;
extern void _rl_move_vert(int);
extern Function *rl_last_func;
-static int
-handle_internal_command(char *cmd)
-{
- if (!strncmp(cmd, "exit", 4) || !strncmp(cmd, "quit", 4))
- {
- cleanup();
- exit(0);
- }
- if (!strncmp(cmd, "help", 4))
- {
- puts("Press `?' for context sensitive help.");
- return 1;
- }
- return 0;
-}
-
-void
-submit_server_command(char *cmd)
-{
- server_send(cmd);
- nstate = STATE_CMD_SERVER;
- num_lines = 2;
-}
-
static void
add_history_dedup(char *cmd)
{
@@ -142,8 +112,7 @@ add_history_dedup(char *cmd)
add_history(cmd);
}
-static void
-got_line(char *cmd_buffer)
+void got_line(char *cmd_buffer)
{
char *cmd;
@@ -156,16 +125,16 @@ got_line(char *cmd_buffer)
{
cmd = cmd_expand(cmd_buffer);
if (cmd)
- {
- add_history_dedup(cmd);
+ {
+ add_history_dedup(cmd);
- if (!handle_internal_command(cmd))
- submit_server_command(cmd);
+ if (!handle_internal_command(cmd))
+ submit_server_command(cmd);
- free(cmd);
- }
+ free(cmd);
+ }
else
- add_history_dedup(cmd_buffer);
+ add_history_dedup(cmd_buffer);
}
free(cmd_buffer);
}
@@ -285,17 +254,6 @@ input_reveal(void)
}
void
-cleanup(void)
-{
- if (input_initialized)
- {
- input_initialized = 0;
- input_hide();
- rl_callback_handler_remove();
- }
-}
-
-void
update_state(void)
{
if (nstate == cstate)
@@ -364,111 +322,18 @@ more(void)
fflush(stdout);
}
-
-/*** Communication with server ***/
-
-static void
-server_connect(void)
-{
- struct sockaddr_un sa;
-
- server_fd = socket(AF_UNIX, SOCK_STREAM, 0);
- if (server_fd < 0)
- die("Cannot create socket: %m");
-
- if (strlen(server_path) >= sizeof(sa.sun_path))
- die("server_connect: path too long");
-
- bzero(&sa, sizeof(sa));
- sa.sun_family = AF_UNIX;
- strcpy(sa.sun_path, server_path);
- if (connect(server_fd, (struct sockaddr *) &sa, SUN_LEN(&sa)) < 0)
- die("Unable to connect to server control socket (%s): %m", server_path);
- if (fcntl(server_fd, F_SETFL, O_NONBLOCK) < 0)
- die("fcntl: %m");
-}
-
-#define PRINTF(LEN, PARGS...) do { if (!skip_input) len = printf(PARGS); } while(0)
-
-static void
-server_got_reply(char *x)
+void cleanup(void)
{
- int code;
- int len = 0;
-
- if (*x == '+') /* Async reply */
- 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 (x[4] == ' ')
- {
- nstate = STATE_PROMPT;
- skip_input = 0;
- return;
- }
- }
- else
- PRINTF(len, "??? <%s>\n", x);
-
- if (skip_input)
- return;
-
- if (interactive && input_initialized && (len > 0))
+ if (input_initialized)
{
- int lns = LINES ? LINES : 25;
- int cls = COLS ? COLS : 80;
- num_lines += (len + cls - 1) / cls; /* Divide and round up */
- if ((num_lines >= lns) && (cstate == STATE_CMD_SERVER))
- more();
+ input_initialized = 0;
+ input_hide();
+ rl_callback_handler_remove();
}
}
-static void
-server_read(void)
-{
- int c;
- byte *start, *p;
-
- redo:
- c = read(server_fd, server_read_pos, server_read_buf + sizeof(server_read_buf) - server_read_pos);
- if (!c)
- die("Connection closed by server.");
- if (c < 0)
- {
- if (errno == EINTR)
- goto redo;
- else
- die("Server read error: %m");
- }
- start = server_read_buf;
- p = server_read_pos;
- server_read_pos += c;
- while (p < server_read_pos)
- if (*p++ == '\n')
- {
- p[-1] = 0;
- server_got_reply(start);
- start = p;
- }
- if (start != server_read_buf)
- {
- int l = server_read_pos - start;
- memmove(server_read_buf, start, l);
- server_read_pos = server_read_buf + l;
- }
- else if (server_read_pos == server_read_buf + sizeof(server_read_buf))
- {
- strcpy(server_read_buf, "?<too-long>");
- server_read_pos = server_read_buf + 11;
- }
-}
+/*** Communication with server ***/
static fd_set select_fds;
@@ -508,56 +373,43 @@ select_loop(void)
}
}
-static void
-wait_for_write(int fd)
-{
- while (1)
- {
- int rv;
- fd_set set;
- FD_ZERO(&set);
- FD_SET(fd, &set);
+#define PRINTF(LEN, PARGS...) do { if (!skip_input) len = printf(PARGS); } while(0)
- rv = select(fd+1, NULL, &set, NULL, NULL);
- if (rv < 0)
- {
- if (errno == EINTR)
- continue;
- else
- die("select: %m");
- }
+void server_got_reply(char *x)
+{
+ int code;
+ int len = 0;
- if (FD_ISSET(server_fd, &set))
- return;
+ if (*x == '+') /* Async reply */
+ 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 (x[4] == ' ')
+ {
+ nstate = STATE_PROMPT;
+ skip_input = 0;
+ return;
+ }
}
-}
+ else
+ PRINTF(len, "??? <%s>\n", x);
-static void
-server_send(char *cmd)
-{
- int l = strlen(cmd);
- byte *z = alloca(l + 1);
+ if (skip_input)
+ return;
- memcpy(z, cmd, l);
- z[l++] = '\n';
- while (l)
+ if (interactive && input_initialized && (len > 0))
{
- int cnt = write(server_fd, z, l);
-
- if (cnt < 0)
- {
- if (errno == EAGAIN)
- wait_for_write(server_fd);
- else if (errno == EINTR)
- continue;
- else
- die("Server write error: %m");
- }
- else
- {
- l -= cnt;
- z += cnt;
- }
+ int lns = LINES ? LINES : 25;
+ int cls = COLS ? COLS : 80;
+ num_lines += (len + cls - 1) / cls; /* Divide and round up */
+ if ((num_lines >= lns) && (cstate == STATE_CMD_SERVER))
+ more();
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-27 14:34:43 +0000