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git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5153 42af7a65-404d-4744-a932-0658087f49c3
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patacongo
2012-09-17 18:18:44 +00:00
commit 57623d42eb
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apps/examples/ftpc/Kconfig
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#
# For a description of the syntax of this configuration file,
# see misc/tools/kconfig-language.txt.
#
config EXAMPLES_FTPC
bool "FTP client example"
default n
---help---
Enable the FTP client example
if EXAMPLES_FTPC
endif
apps/examples/ftpc/Makefile
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############################################################################
# apps/examples/ftpc/Makefile
#
# Copyright (C) 2011 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# 3. Neither the name NuttX nor the names of its contributors may be
# used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
############################################################################
-include $(TOPDIR)/.config
-include $(TOPDIR)/Make.defs
include $(APPDIR)/Make.defs
# FTPC Client Application
APPNAME = ftpc
PRIORITY = SCHED_PRIORITY_DEFAULT
STACKSIZE = 4096
ASRCS =
CSRCS = ftpc_main.c ftpc_cmds.c
AOBJS = $(ASRCS:.S=$(OBJEXT))
COBJS = $(CSRCS:.c=$(OBJEXT))
SRCS = $(ASRCS) $(CSRCS)
OBJS = $(AOBJS) $(COBJS)
ifeq ($(WINTOOL),y)
BIN = "${shell cygpath -w $(APPDIR)/libapps$(LIBEXT)}"
else
BIN = "$(APPDIR)/libapps$(LIBEXT)"
endif
ROOTDEPPATH = --dep-path .
# Common build
VPATH =
all: .built
.PHONY: context depend clean distclean
$(AOBJS): %$(OBJEXT): %.S
$(call ASSEMBLE, $<, $@)
$(COBJS): %$(OBJEXT): %.c
$(call COMPILE, $<, $@)
.built: $(OBJS)
@( for obj in $(OBJS) ; do \
$(call ARCHIVE, $(BIN), $${obj}); \
done ; )
@touch .built
# Register application
.context:
$(call REGISTER,$(APPNAME),$(PRIORITY),$(STACKSIZE),$(APPNAME)_main)
@touch $@
context: .context
# Create dependencies
.depend: Makefile $(SRCS)
@$(MKDEP) $(ROOTDEPPATH) $(CC) -- $(CFLAGS) -- $(SRCS) >Make.dep
@touch $@
depend: .depend
clean:
@rm -f *.o *~ .*.swp .built
$(call CLEAN)
distclean: clean
@rm -f .context Make.dep .depend
-include Make.dep
apps/examples/ftpc/ftpc.h
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/****************************************************************************
* apps/examples/ftpc/ftpc.h
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __APPS_EXAMPLES_FTPC_FTPC_H
#define __APPS_EXAMPLES_FTPC_FTPC_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <stdio.h>
#include <stdint.h>
#include <stdbool.h>
#include <errno.h>
#include <apps/ftpc.h>
/****************************************************************************
* Definitions
****************************************************************************/
/* Maximum size of one command line */
#ifndef CONFIG_FTPC_LINELEN
# define CONFIG_FTPC_LINELEN 80
#endif
/* If CONFIG_STDIO_LINEBUFFER is defined, the STDIO buffer will be flushed
* on each new line. Otherwise, STDIO needs to be explicitly flushed to
* see the output in context.
*/
#if CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_NFILE_STREAMS > 0 && \
CONFIG_STDIO_BUFFER_SIZE > 0 && !defined(CONFIG_STDIO_LINEBUFFER)
# define FFLUSH() fflush(stdout)
#else
# define FFLUSH()
#endif
/****************************************************************************
* Public Types
****************************************************************************/
typedef int (*cmd_t)(SESSION handle, int argc, char **argv);
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/* FTP command handlers */
extern int cmd_rlogin(SESSION handle, int argc, char **argv);
extern int cmd_rquit(SESSION handle, int argc, char **argv);
extern int cmd_rchdir(SESSION handle, int argc, char **argv);
extern int cmd_rpwd(SESSION handle, int argc, char **argv);
extern int cmd_rcdup(SESSION handle, int argc, char **argv);
extern int cmd_rmkdir(SESSION handle, int argc, char **argv);
extern int cmd_rrmdir(SESSION handle, int argc, char **argv);
extern int cmd_runlink(SESSION handle, int argc, char **argv);
extern int cmd_rchmod(SESSION handle, int argc, char **argv);
extern int cmd_rrename(SESSION handle, int argc, char **argv);
extern int cmd_rsize(SESSION handle, int argc, char **argv);
extern int cmd_rtime(SESSION handle, int argc, char **argv);
extern int cmd_ridle(SESSION handle, int argc, char **argv);
extern int cmd_rnoop(SESSION handle, int argc, char **argv);
extern int cmd_rhelp(SESSION handle, int argc, char **argv);
extern int cmd_rls(SESSION handle, int argc, char **argv);
extern int cmd_rget(SESSION handle, int argc, char **argv);
extern int cmd_rput(SESSION handle, int argc, char **argv);
#endif /* __APPS_EXAMPLES_FTPC_FTPC_H */
apps/examples/ftpc/ftpc_cmds.c
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/****************************************************************************
* examples/ftpc/ftpc_cmds.c
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <apps/ftpc.h>
#include "ftpc.h"
/****************************************************************************
* Public Types
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: cmd_rlogin
****************************************************************************/
int cmd_rlogin(SESSION handle, int argc, char **argv)
{
struct ftpc_login_s login = {NULL, NULL, NULL, true};
login.uname = argv[1];
if (argc > 2)
{
login.pwd = argv[2];
}
return ftpc_login(handle, &login);
}
/****************************************************************************
* Name: cmd_rquit
****************************************************************************/
int cmd_rquit(SESSION handle, int argc, char **argv)
{
int ret = ftpc_quit(handle);
if (ret < 0)
{
printf("quit failed: %d\n", errno);
}
printf("Exitting...\n");
exit(0);
return ERROR;
}
/****************************************************************************
* Name: cmd_rchdir
****************************************************************************/
int cmd_rchdir(SESSION handle, int argc, char **argv)
{
return ftpc_chdir(handle, argv[1]);
}
/****************************************************************************
* Name: cmd_rpwd
****************************************************************************/
int cmd_rpwd(SESSION handle, int argc, char **argv)
{
FAR char *pwd = ftpc_rpwd(handle);
if (pwd)
{
printf("PWD: %s\n", pwd);
free(pwd);
return OK;
}
return ERROR;
}
/****************************************************************************
* Name: cmd_rcdup
****************************************************************************/
int cmd_rcdup(SESSION handle, int argc, char **argv)
{
return ftpc_cdup(handle);
}
/****************************************************************************
* Name: cmd_rmkdir
****************************************************************************/
int cmd_rmkdir(SESSION handle, int argc, char **argv)
{
return ftpc_mkdir(handle, argv[1]);
}
/****************************************************************************
* Name: cmd_rrmdir
****************************************************************************/
int cmd_rrmdir(SESSION handle, int argc, char **argv)
{
return ftpc_rmdir(handle, argv[1]);
}
/****************************************************************************
* Name: cmd_runlink
****************************************************************************/
int cmd_runlink(SESSION handle, int argc, char **argv)
{
return ftpc_unlink(handle, argv[1]);
}
/****************************************************************************
* Name: cmd_rchmod
****************************************************************************/
int cmd_rchmod(SESSION handle, int argc, char **argv)
{
return ftpc_chmod(handle, argv[1], argv[2]);
}
/****************************************************************************
* Name: cmd_rrename
****************************************************************************/
int cmd_rrename(SESSION handle, int argc, char **argv)
{
return ftpc_rename(handle, argv[1], argv[2]);
}
/****************************************************************************
* Name: cmd_rsize
****************************************************************************/
int cmd_rsize(SESSION handle, int argc, char **argv)
{
off_t size = ftpc_filesize(handle, argv[1]);
printf("SIZE: %lu\n", size);
return OK;
}
/****************************************************************************
* Name: cmd_rtime
****************************************************************************/
int cmd_rtime(SESSION handle, int argc, char **argv)
{
time_t filetime = ftpc_filetime(handle, argv[1]);
printf("TIME: %lu\n", (long)filetime);
return OK;
}
/****************************************************************************
* Name: cmd_ridle
****************************************************************************/
int cmd_ridle(SESSION handle, int argc, char **argv)
{
unsigned int idletime = 0;
if (argc > 1)
{
idletime = atoi(argv[1]);
}
return ftpc_idle(handle, idletime);
}
/****************************************************************************
* Name: cmd_rnoop
****************************************************************************/
int cmd_rnoop(SESSION handle, int argc, char **argv)
{
return ftpc_noop(handle);
}
/****************************************************************************
* Name: cmd_rhelp
****************************************************************************/
int cmd_rhelp(SESSION handle, int argc, char **argv)
{
FAR const char *cmd = NULL;
int ret;
if (argc > 1)
{
cmd = argv[1];
}
ret = ftpc_help(handle, cmd);
if (ret == OK)
{
FAR char *msg = ftpc_response(handle);
puts(msg);
free(msg);
}
return ret;
}
/****************************************************************************
* Name: cmd_rls
****************************************************************************/
int cmd_rls(SESSION handle, int argc, char **argv)
{
FAR struct ftpc_dirlist_s *dirlist;
FAR char *dirname = NULL;
int i;
/* Get the directory listing */
if (argc > 1)
{
dirname = argv[1];
}
dirlist = ftpc_listdir(handle, dirname);
if (!dirlist)
{
return ERROR;
}
/* Print the directory listing */
printf("%s/\n", dirname ? dirname : ".");
for (i = 0; i < dirlist->nnames; i++)
{
printf(" %s\n", dirlist->name[i]);
}
FFLUSH();
/* We are responsible for freeing the directory structure allocated by
* ftpc_listdir().
*/
ftpc_dirfree(dirlist);
return OK;
}
/****************************************************************************
* Name: cmd_rget
****************************************************************************/
int cmd_rget(SESSION handle, int argc, char **argv)
{
FAR const char *rname;
FAR const char *lname = NULL;
int xfrmode = FTPC_XFRMODE_ASCII;
int option;
while ((option = getopt(argc, argv, "ab")) != ERROR)
{
if (option == 'a')
{
xfrmode = FTPC_XFRMODE_ASCII;
}
else if (option == 'b')
{
xfrmode = FTPC_XFRMODE_BINARY;
}
else
{
printf("%s: Unrecognized option: '%c'\n", "put", option);
return ERROR;
}
}
/* There should be one or two parameters remaining on the command line */
if (optind >= argc)
{
printf("%s: Missing required arguments\n", "get");
return ERROR;
}
rname = argv[optind];
optind++;
if (optind < argc)
{
lname = argv[optind];
optind++;
}
if (optind != argc)
{
printf("%s: Too many arguments\n", "get");
return ERROR;
}
/* Perform the transfer */
return ftpc_getfile(handle, rname, lname, FTPC_GET_NORMAL, xfrmode);
}
/****************************************************************************
* Name: cmd_rput
****************************************************************************/
int cmd_rput(SESSION handle, int argc, char **argv)
{
FAR const char *lname;
FAR const char *rname = NULL;
int xfrmode = FTPC_XFRMODE_ASCII;
int option;
while ((option = getopt(argc, argv, "ab")) != ERROR)
{
if (option == 'a')
{
xfrmode = FTPC_XFRMODE_ASCII;
}
else if (option == 'b')
{
xfrmode = FTPC_XFRMODE_BINARY;
}
else
{
printf("%s: Unrecognized option: '%c'\n", "put", option);
return ERROR;
}
}
/* There should be one or two parameters remaining on the command line */
if (optind >= argc)
{
printf("%s: Missing required arguments\n", "get");
return ERROR;
}
lname = argv[optind];
optind++;
if (optind < argc)
{
rname = argv[optind];
optind++;
}
if (optind != argc)
{
printf("%s: Too many arguments\n ");
return ERROR;
}
/* Perform the transfer */
return ftp_putfile(handle, lname, rname, FTPC_PUT_NORMAL, xfrmode);
}
apps/examples/ftpc/ftpc_main.c
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/****************************************************************************
* examples/ftpc/ftpc_main.c
*
* Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <arpa/inet.h>
#include <apps/ftpc.h>
#include <apps/readline.h>
#include "ftpc.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define FTPC_MAX_ARGUMENTS 4
/****************************************************************************
* Public Types
****************************************************************************/
struct cmdmap_s
{
const char *cmd; /* Name of the command */
cmd_t handler; /* Function that handles the command */
uint8_t minargs; /* Minimum number of arguments (including command) */
uint8_t maxargs; /* Maximum number of arguments (including command) */
const char *usage; /* Usage instructions for 'help' command */
};
/****************************************************************************
* Private Data
****************************************************************************/
static const char g_delim[] = " \t\n";
static int cmd_lhelp(SESSION handle, int argc, char **argv);
static int cmd_lunrecognized(SESSION handle, int argc, char **argv);
static const struct cmdmap_s g_cmdmap[] =
{
{ "cd", cmd_rchdir, 2, 2, "<directory>" },
{ "chmod", cmd_rchmod, 3, 3, "<permissions> <path>" },
{ "get", cmd_rget, 2, 4, "[-a|b] <rname> [<lname>]" },
{ "help", cmd_lhelp, 1, 2, "" },
{ "idle", cmd_ridle, 1, 2, "[<idletime>]" },
{ "login", cmd_rlogin, 2, 3, "<uname> [<password>]" },
{ "ls", cmd_rls, 1, 2, "[<dirpath>]" },
{ "quit", cmd_rquit, 1, 1, "" },
{ "mkdir", cmd_rmkdir, 2, 2, "<directory>" },
{ "noop", cmd_rnoop, 1, 1, "" },
{ "put", cmd_rput, 2, 4, "[-a|b] <lname> [<rname>]" },
{ "pwd", cmd_rpwd, 1, 1, "" },
{ "rename", cmd_rrename, 3, 3, "<oldname> <newname>" },
{ "rhelp", cmd_rhelp, 1, 2, "[<command>]" },
{ "rm", cmd_runlink, 2, 2, "" },
{ "rmdir", cmd_rrmdir, 2, 2, "<directory>" },
{ "size", cmd_rsize, 2, 2, "<filepath>" },
{ "time", cmd_rtime, 2, 2, "<filepath>" },
{ "up", cmd_rcdup, 1, 1, "" },
{ NULL, NULL, 1, 1, NULL }
};
static char g_line[CONFIG_FTPC_LINELEN];
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: cmd_lhelp
****************************************************************************/
static int cmd_lhelp(SESSION handle, int argc, char **argv)
{
const struct cmdmap_s *ptr;
printf("Local FTPC commands:\n");
for (ptr = g_cmdmap; ptr->cmd; ptr++)
{
if (ptr->usage)
{
printf(" %s %s\n", ptr->cmd, ptr->usage);
}
else
{
printf(" %s\n", ptr->cmd);
}
}
return OK;
}
/****************************************************************************
* Name: cmd_lunrecognized
****************************************************************************/
static int cmd_lunrecognized(SESSION handle, int argc, char **argv)
{
printf("Command %s unrecognized\n", argv[0]);
return ERROR;
}
/****************************************************************************
* Name: ftpc_argument
****************************************************************************/
char *ftpc_argument(char **saveptr)
{
char *pbegin = *saveptr;
char *pend = NULL;
const char *term;
/* Find the beginning of the next token */
for (;
*pbegin && strchr(g_delim, *pbegin) != NULL;
pbegin++);
/* If we are at the end of the string with nothing
* but delimiters found, then return NULL.
*/
if (!*pbegin)
{
return NULL;
}
/* Does the token begin with '#' -- comment */
else if (*pbegin == '#')
{
/* Return NULL meaning that we are at the end of the line */
*saveptr = pbegin;
pbegin = NULL;
}
else
{
/* Otherwise, we are going to have to parse to find the end of
* the token. Does the token begin with '"'?
*/
if (*pbegin == '"')
{
/* Yes.. then only another '"' can terminate the string */
pbegin++;
term = "\"";
}
else
{
/* No, then any of the usual terminators will terminate the argument */
term = g_delim;
}
/* Find the end of the string */
for (pend = pbegin + 1;
*pend && strchr(term, *pend) == NULL;
pend++);
/* pend either points to the end of the string or to
* the first delimiter after the string.
*/
if (*pend)
{
/* Turn the delimiter into a null terminator */
*pend++ = '\0';
}
/* Save the pointer where we left off */
*saveptr = pend;
}
/* Return the beginning of the token. */
return pbegin;
}
/****************************************************************************
* Name: ftpc_execute
****************************************************************************/
static int ftpc_execute(SESSION handle, int argc, char *argv[])
{
const struct cmdmap_s *cmdmap;
const char *cmd;
cmd_t handler = cmd_lunrecognized;
int ret;
/* The form of argv is:
*
* argv[0]: The command name. This is argv[0] when the arguments
* are, finally, received by the command handler
* argv[1]: The beginning of argument (up to FTPC_MAX_ARGUMENTS)
* argv[argc]: NULL terminating pointer
*/
cmd = argv[0];
/* See if the command is one that we understand */
for (cmdmap = g_cmdmap; cmdmap->cmd; cmdmap++)
{
if (strcmp(cmdmap->cmd, cmd) == 0)
{
/* Check if a valid number of arguments was provided. We
* do this simple, imperfect checking here so that it does
* not have to be performed in each command.
*/
if (argc < cmdmap->minargs)
{
/* Fewer than the minimum number were provided */
printf("Too few arguments for '%s'\n", cmd);
return ERROR;
}
else if (argc > cmdmap->maxargs)
{
/* More than the maximum number were provided */
printf("Too many arguments for '%s'\n", cmd);
return ERROR;
}
else
{
/* A valid number of arguments were provided (this does
* not mean they are right).
*/
handler = cmdmap->handler;
break;
}
}
}
ret = handler(handle, argc, argv);
if (ret < 0)
{
printf("%s failed: %d\n", cmd, errno);
}
return ret;
}
/****************************************************************************
* Name: ftpc_parse
****************************************************************************/
int ftpc_parse(SESSION handle, char *cmdline)
{
FAR char *argv[FTPC_MAX_ARGUMENTS+1];
FAR char *saveptr;
FAR char *cmd;
int argc;
int ret;
/* Initialize parser state */
memset(argv, 0, FTPC_MAX_ARGUMENTS*sizeof(FAR char *));
/* Parse out the command at the beginning of the line */
saveptr = cmdline;
cmd = ftpc_argument(&saveptr);
/* Check if any command was provided -OR- if command processing is
* currently disabled.
*/
if (!cmd)
{
/* An empty line is not an error */
return OK;
}
/* Parse all of the arguments following the command name. */
argv[0] = cmd;
for (argc = 1; argc < FTPC_MAX_ARGUMENTS; argc++)
{
argv[argc] = ftpc_argument(&saveptr);
if (!argv[argc])
{
break;
}
}
argv[argc] = NULL;
/* Check if the maximum number of arguments was exceeded */
if (argc > FTPC_MAX_ARGUMENTS)
{
printf("Too many arguments\n");
ret = -EINVAL;
}
else
{
/* Then execute the command */
ret = ftpc_execute(handle, argc, argv);
}
return ret;
}
/****************************************************************************
* Public Functions
****************************************************************************/
int ftpc_main(int argc, char **argv, char **envp)
{
struct ftpc_connect_s connect = {{0}, 0};
SESSION handle;
FAR char *ptr;
#ifndef CONFIG_EXAMPLES_FTPC_FGETS
int ret;
#endif
if (argc != 2)
{
printf("Usage:\n");
printf(" %s xx.xx.xx.xx[:pp]\n", argv[0]);
printf("Where\n");
printf(" xx.xx.xx.xx is the IP address of the FTP server\n");
printf(" pp is option port to use with the FTP server\n");
exit(1);
}
/* Check if the argument includes a port number */
ptr = strchr(argv[1], ':');
if (ptr)
{
*ptr = '\0';
connect.port = atoi(ptr+1);
}
/* In any event, we can now extract the IP address from the comman-line */
connect.addr.s_addr = inet_addr(argv[1]);
/* Connect to the FTP server */
handle = ftpc_connect(&connect);
if (!handle)
{
printf("Failed to connect to the server: %d\n", errno);
exit(1);
}
/* Present a greeting */
printf("NuttX FTP Client:\n");
FFLUSH();
/* Setting optind to -1 is a non-standard, backdoor way to reinitialize
* getopt(). getopt() is not thread safe and we have no idea what state
* it is in now!
*/
optind = -1;
/* Then enter the command line parsing loop */
for (;;)
{
/* Display the prompt string */
fputs("nfc> ", stdout);
FFLUSH();
/* Get the next line of input */
#ifdef CONFIG_EXAMPLES_FTPC_FGETS
/* fgets returns NULL on end-of-file or any I/O error */
if (fgets(g_line, CONFIG_FTPC_LINELEN, stdin) == NULL)
{
printf("ERROR: fgets failed: %d\n", errno);
return 1;
}
#else
ret = readline(g_line, CONFIG_FTPC_LINELEN, stdin, stdout);
/* Readline normally returns the number of characters read,
* but will return 0 on end of file or a negative value
* if an error occurs. Either will cause the session to
* terminate.
*/
if (ret <= 0)
{
printf("ERROR: readline failed: %d\n", ret);
return 1;
}
#endif
else
{
/* Parse and process the command */
(void)ftpc_parse(handle, g_line);
FFLUSH();
}
}
return 0;
}