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demo_netxduo_ftp.c
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demo_netxduo_ftp.c
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/* This is a small demo of NetX FTP on the high-performance NetX TCP/IP stack. This demo
relies on ThreadX, NetX, and FileX to show a simple file transfer from the client
and then back to the server. */
#include "tx_api.h"
#include "fx_api.h"
#include "nx_api.h"
#include "nxd_ftp_client.h"
#include "nxd_ftp_server.h"
#define DEMO_STACK_SIZE 4096
#define DEMO_DATA "ABCDEFGHIJKLMNOPQRSTUVWXYZ "
#ifdef FEATURE_NX_IPV6
#define USE_IPV6
#endif /* FEATURE_NX_IPV6 */
/* Uncomment the following line to enable passive transfer mode. */
/*
#define PASSIVE_MODE
*/
/* Uncomment the following line to enable block mode. */
/*
#define BLOCK_MODE
*/
/* Define the ThreadX, NetX, and FileX object control blocks... */
TX_THREAD server_thread;
TX_THREAD client_thread;
NX_PACKET_POOL server_pool;
NX_IP server_ip;
NX_PACKET_POOL client_pool;
NX_IP client_ip;
FX_MEDIA ram_disk;
/* Define the NetX FTP object control blocks. */
NX_FTP_CLIENT ftp_client;
NX_FTP_SERVER ftp_server;
/* Define the counters used in the demo application... */
ULONG error_counter = 0;
/* Define the memory area for the FileX RAM disk. */
UCHAR ram_disk_memory[32000];
UCHAR ram_disk_sector_cache[512];
#define FTP_SERVER_ADDRESS IP_ADDRESS(1,2,3,4)
#define FTP_CLIENT_ADDRESS IP_ADDRESS(1,2,3,5)
extern UINT _fx_media_format(FX_MEDIA *media_ptr, VOID (*driver)(FX_MEDIA *media), VOID *driver_info_ptr, UCHAR *memory_ptr, UINT memory_size,
CHAR *volume_name, UINT number_of_fats, UINT directory_entries, UINT hidden_sectors,
ULONG total_sectors, UINT bytes_per_sector, UINT sectors_per_cluster,
UINT heads, UINT sectors_per_track);
/* Define the FileX and NetX driver entry functions. */
VOID _fx_ram_driver(FX_MEDIA *media_ptr);
/* Replace the 'ram' driver with your own Ethernet driver. */
VOID _nx_ram_network_driver(NX_IP_DRIVER *driver_req_ptr);
void client_thread_entry(ULONG thread_input);
void thread_server_entry(ULONG thread_input);
#ifdef USE_IPV6
/* Define NetX Duo IP address for the NetX Duo FTP Server and Client. */
NXD_ADDRESS server_ip_address;
NXD_ADDRESS client_ip_address;
#endif
/* Define server login/logout functions. These are stubs for functions that would
validate a client login request. */
#ifdef USE_IPV6
UINT server_login6(struct NX_FTP_SERVER_STRUCT *ftp_server_ptr, NXD_ADDRESS *client_ipduo_address, UINT client_port, CHAR *name, CHAR *password, CHAR *extra_info);
UINT server_logout6(struct NX_FTP_SERVER_STRUCT *ftp_server_ptr, NXD_ADDRESS *client_ipduo_address, UINT client_port, CHAR *name, CHAR *password, CHAR *extra_info);
#else
UINT server_login(struct NX_FTP_SERVER_STRUCT *ftp_server_ptr, ULONG client_ip_address, UINT client_port, CHAR *name, CHAR *password, CHAR *extra_info);
UINT server_logout(struct NX_FTP_SERVER_STRUCT *ftp_server_ptr, ULONG client_ip_address, UINT client_port, CHAR *name, CHAR *password, CHAR *extra_info);
#endif
/* Define main entry point. */
int main()
{
/* Enter the ThreadX kernel. */
tx_kernel_enter();
return(0);
}
/* Define what the initial system looks like. */
void tx_application_define(void *first_unused_memory)
{
UINT status;
UCHAR *pointer;
/* Initialize NetX. */
nx_system_initialize();
/* Initialize FileX. */
fx_system_initialize();
/* Setup the working pointer. */
pointer = (UCHAR *) first_unused_memory;
/* Create a helper thread for the server. */
tx_thread_create(&server_thread, "FTP Server thread", thread_server_entry, 0,
pointer, DEMO_STACK_SIZE,
4, 4, TX_NO_TIME_SLICE, TX_AUTO_START);
pointer = pointer + DEMO_STACK_SIZE;
/* Create the packet pool for the FTP Server. */
status = nx_packet_pool_create(&server_pool, "NetX Server Packet Pool", 512, pointer, 8192);
pointer = pointer + 8192;
/* Check for errors. */
if (status)
error_counter++;
/* Create the IP instance for the FTP Server. */
status = nx_ip_create(&server_ip, "NetX Server IP Instance", FTP_SERVER_ADDRESS, 0xFFFFFF00UL,
&server_pool, _nx_ram_network_driver, pointer, 2048, 1);
pointer = pointer + 2048;
/* Check status. */
if (status != NX_SUCCESS)
{
error_counter++;
return;
}
#ifndef NX_DISABLE_IPV4
/* Enable ARP and supply ARP cache memory for server IP instance. */
nx_arp_enable(&server_ip, (void *) pointer, 1024);
pointer = pointer + 1024;
#endif /* NX_DISABLE_IPV4 */
/* Enable TCP. */
nx_tcp_enable(&server_ip);
#ifdef USE_IPV6
/* Next set the NetX Duo FTP Server and Client addresses. */
server_ip_address.nxd_ip_address.v6[3] = 0x105;
server_ip_address.nxd_ip_address.v6[2] = 0x0;
server_ip_address.nxd_ip_address.v6[1] = 0x0000f101;
server_ip_address.nxd_ip_address.v6[0] = 0x20010db8;
server_ip_address.nxd_ip_version = NX_IP_VERSION_V6;
client_ip_address.nxd_ip_address.v6[3] = 0x101;
client_ip_address.nxd_ip_address.v6[2] = 0x0;
client_ip_address.nxd_ip_address.v6[1] = 0x0000f101;
client_ip_address.nxd_ip_address.v6[0] = 0x20010db8;
client_ip_address.nxd_ip_version = NX_IP_VERSION_V6;
/* Create the FTP server. */
status = nxd_ftp_server_create(&ftp_server, "FTP Server Instance", &server_ip, &ram_disk, pointer, DEMO_STACK_SIZE, &server_pool,
server_login6, server_logout6);
#else
/* Create the FTP server. */
status = nx_ftp_server_create(&ftp_server, "FTP Server Instance", &server_ip, &ram_disk, pointer, DEMO_STACK_SIZE, &server_pool,
server_login, server_logout);
#endif
pointer = pointer + DEMO_STACK_SIZE;
/* Check status. */
if (status != NX_SUCCESS)
{
error_counter++;
return;
}
/* Now set up the FTP Client. */
/* Create the main FTP client thread. */
status = tx_thread_create(&client_thread, "FTP Client thread ", client_thread_entry, 0,
pointer, DEMO_STACK_SIZE,
6, 6, TX_NO_TIME_SLICE, TX_AUTO_START);
pointer = pointer + DEMO_STACK_SIZE ;
/* Check status. */
if (status != NX_SUCCESS)
{
error_counter++;
return;
}
/* Create a packet pool for the FTP client. */
status = nx_packet_pool_create(&client_pool, "NetX Client Packet Pool", 512, pointer, 8192);
pointer = pointer + 8192;
/* Create an IP instance for the FTP client. */
status = nx_ip_create(&client_ip, "NetX Client IP Instance", FTP_CLIENT_ADDRESS, 0xFFFFFF00UL,
&client_pool, _nx_ram_network_driver, pointer, 2048, 1);
pointer = pointer + 2048;
#ifndef NX_DISABLE_IPV4
/* Enable ARP and supply ARP cache memory for the FTP Client IP. */
nx_arp_enable(&client_ip, (void *) pointer, 1024);
pointer = pointer + 1024;
#endif /* NX_DISABLE_IPV4 */
/* Enable TCP for client IP instance. */
nx_tcp_enable(&client_ip);
return;
}
/* Define the FTP client thread. */
void client_thread_entry(ULONG thread_input)
{
NX_PACKET *my_packet;
NX_PACKET *recv_packet_ptr;
UINT status;
ULONG file_size;
#ifdef USE_IPV6
UINT iface_index, address_index;
#endif
NX_PARAMETER_NOT_USED(thread_input);
/* Format the RAM disk - the memory for the RAM disk was defined above. */
status = _fx_media_format(&ram_disk,
_fx_ram_driver, /* Driver entry */
ram_disk_memory, /* RAM disk memory pointer */
ram_disk_sector_cache, /* Media buffer pointer */
sizeof(ram_disk_sector_cache), /* Media buffer size */
"MY_RAM_DISK", /* Volume Name */
1, /* Number of FATs */
32, /* Directory Entries */
0, /* Hidden sectors */
256, /* Total sectors */
128, /* Sector size */
1, /* Sectors per cluster */
1, /* Heads */
1); /* Sectors per track */
/* Check status. */
if (status != NX_SUCCESS)
{
error_counter++;
return;
}
/* Open the RAM disk. */
status = fx_media_open(&ram_disk, "RAM DISK", _fx_ram_driver, ram_disk_memory, ram_disk_sector_cache, sizeof(ram_disk_sector_cache));
/* Check status. */
if (status != NX_SUCCESS)
{
error_counter++;
return;
}
/* Let the IP threads and driver initialize the system. */
tx_thread_sleep(NX_IP_PERIODIC_RATE);
#ifdef USE_IPV6
/* Here's where we make the FTP Client IPv6 enabled. */
status = nxd_ipv6_enable(&client_ip);
/* Check status. */
if (status != NX_SUCCESS)
{
error_counter++;
return;
}
status = nxd_icmp_enable(&client_ip);
/* Check status. */
if (status != NX_SUCCESS)
{
error_counter++;
return;
}
/* Set the Client link local and global addresses. */
iface_index = 0;
/* This assumes we are using the primary network interface (index 0). */
status = nxd_ipv6_address_set(&client_ip, iface_index, NX_NULL, 10, &address_index);
/* Check for link local address set error. */
if (status != NX_SUCCESS)
{
error_counter++;
return;
}
/* Set the host global IP address. We are assuming a 64
bit prefix here but this can be any value (< 128). */
status = nxd_ipv6_address_set(&client_ip, iface_index, &client_ip_address, 64, &address_index);
/* Check for global address set error. */
if (status != NX_SUCCESS)
{
error_counter++;
return;
}
/* Let NetX Duo validate the addresses. */
tx_thread_sleep(5 * NX_IP_PERIODIC_RATE);
#endif /* USE_IPV6 */
/* Create an FTP client. */
status = nx_ftp_client_create(&ftp_client, "FTP Client", &client_ip, 2000, &client_pool);
/* Check status. */
if (status != NX_SUCCESS)
{
error_counter++;
return;
}
printf("Created the FTP Client\n");
#ifdef USE_IPV6
do
{
/* Now connect with the NetX Duo FTP (IPv6) server. */
status = nxd_ftp_client_connect(&ftp_client, &server_ip_address, "name", "password", NX_IP_PERIODIC_RATE);
} while (status != NX_SUCCESS);
#else
/* Now connect with the NetX FTP (IPv4) server. */
status = nx_ftp_client_connect(&ftp_client, FTP_SERVER_ADDRESS, "name", "password", NX_IP_PERIODIC_RATE);
#endif /* USE_IPV6 */
/* Check status. */
if (status != NX_SUCCESS)
{
error_counter++;
return;
}
printf("Connected to the FTP Server\n");
#ifdef PASSIVE_MODE
/* Enable passive mode. */
status = nx_ftp_client_passive_mode_set(&ftp_client, NX_TRUE);
if (status != NX_SUCCESS)
{
error_counter++;
return;
}
printf("Enabled FTP Client Passive Mode\n");
#endif /* PASSIVE_MODE */
#ifdef BLOCK_MODE
/* Set block mode. */
status = nx_ftp_client_transfer_mode_set(&ftp_client, NX_FTP_TRANSFER_MODE_BLOCK);
if (status != NX_SUCCESS)
{
error_counter++;
return;
}
printf("Enabled FTP Client Block Mode\n");
#endif /* BLOCK_MODE */
/* Open a FTP file for writing. */
status = nx_ftp_client_file_open(&ftp_client, "test.txt", NX_FTP_OPEN_FOR_WRITE, NX_IP_PERIODIC_RATE);
/* Check status. */
if (status != NX_SUCCESS)
{
error_counter++;
return;
}
printf("Opened the FTP client test.txt file\n");
#ifdef BLOCK_MODE
/* Set the file size in block mode. */
status = nx_ftp_client_file_size_set(&ftp_client, 28);
/* Check status. */
if (status != NX_SUCCESS)
{
error_counter++;
}
else
printf("Set the File Size in Block Mode\n");
#endif /* BLOCK_MODE */
/* Allocate a FTP packet. */
status = nx_packet_allocate(&client_pool, &my_packet, NX_TCP_PACKET, NX_IP_PERIODIC_RATE);
/* Check status. */
if (status != NX_SUCCESS)
{
error_counter++;
return;
}
/* Write ABCs into the packet payload! */
memcpy(my_packet -> nx_packet_prepend_ptr, DEMO_DATA, sizeof(DEMO_DATA)); /* Use case of memcpy is verified. */
/* Adjust the write pointer. */
my_packet -> nx_packet_length = sizeof(DEMO_DATA);
my_packet -> nx_packet_append_ptr = my_packet -> nx_packet_prepend_ptr + sizeof(DEMO_DATA);
/* Write the packet to the file test.txt. */
status = nx_ftp_client_file_write(&ftp_client, my_packet, NX_IP_PERIODIC_RATE);
/* Check status. */
if (status != NX_SUCCESS)
{
error_counter++;
nx_packet_release(my_packet);
return;
}
else
printf("Wrote to the FTP client test.txt file\n");
/* Close the file. */
status = nx_ftp_client_file_close(&ftp_client, NX_IP_PERIODIC_RATE);
/* Check status. */
if (status != NX_SUCCESS)
{
error_counter++;
return;
}
else
printf("Closed the FTP client test.txt file\n");
/* Now open the same file for reading. */
status = nx_ftp_client_file_open(&ftp_client, "test.txt", NX_FTP_OPEN_FOR_READ, NX_IP_PERIODIC_RATE);
/* Check status. */
if (status != NX_SUCCESS)
{
error_counter++;
return;
}
else
printf("Reopened the FTP client test.txt file\n");
/* Loop to read the data. */
file_size = 0;
do
{
/* Read the file. */
status = nx_ftp_client_file_read(&ftp_client, &my_packet, 100);
/* Check status. */
if (status == NX_SUCCESS)
{
file_size += my_packet -> nx_packet_length;
nx_packet_release(my_packet);
}
} while(status == NX_SUCCESS);
/* Check file size. */
if (file_size != 28)
{
error_counter++;
return;
}
else
{
printf("Reread the FTP client test.txt file\n");
}
/* Close this file. */
status = nx_ftp_client_file_close(&ftp_client, NX_IP_PERIODIC_RATE);
/* Check status. */
if (status != NX_SUCCESS)
{
error_counter++;
return;
}
else
printf("Reclosed the FTP client test.txt file\n");
/* Get directory listing (NLST). */
status = nx_ftp_client_directory_listing_get(&ftp_client, "", &my_packet, 200);
if (status != NX_SUCCESS)
{
error_counter++;
return;
}
else
{
nx_packet_release(my_packet);
}
do
{
/* Receive the next data packet. */
status = nx_ftp_client_directory_listing_continue(&ftp_client, &recv_packet_ptr, 200);
if (status == NX_SUCCESS)
{
nx_packet_release(recv_packet_ptr);
}
/* Check if this is the end of the download. */
if (status == NX_FTP_END_OF_LISTING)
break;
} while (status == NX_SUCCESS);
printf("Got the directory list test.txt\n");
/* Disconnect from the server. */
status = nx_ftp_client_disconnect(&ftp_client, NX_IP_PERIODIC_RATE);
/* Check status. */
if (status != NX_SUCCESS)
{
error_counter++;
return;
}
/* Delete the FTP client. */
status = nx_ftp_client_delete(&ftp_client);
/* Check status. */
if (status != NX_SUCCESS)
{
error_counter++;
return;
}
}
/* Define the helper FTP server thread. */
void thread_server_entry(ULONG thread_input)
{
UINT status;
#ifdef USE_IPV6
UINT iface_index, address_index;
#endif
NX_PARAMETER_NOT_USED(thread_input);
/* Wait till the IP thread and driver have initialized the system. */
tx_thread_sleep(NX_IP_PERIODIC_RATE);
#ifdef USE_IPV6
/* Here's where we make the FTP server IPv6 enabled. */
status = nxd_ipv6_enable(&server_ip);
/* Check status. */
if (status != NX_SUCCESS)
{
error_counter++;
return;
}
status = nxd_icmp_enable(&server_ip);
/* Check status. */
if (status != NX_SUCCESS)
{
error_counter++;
return;
}
/* Set the link local address with the host MAC address. */
iface_index = 0;
/* This assumes we are using the primary network interface (index 0). */
status = nxd_ipv6_address_set(&server_ip, iface_index, NX_NULL, 10, &address_index);
/* Check for link local address set error. */
if (status)
{
error_counter++;
return;
}
/* Set the host global IP address. We are assuming a 64
bit prefix here but this can be any value (< 128). */
status = nxd_ipv6_address_set(&server_ip, iface_index, &server_ip_address, 64, &address_index);
/* Check for global address set error. */
if (status)
{
error_counter++;
return;
}
/* Wait while NetX Duo validates the link local and global address. */
tx_thread_sleep(5 * NX_IP_PERIODIC_RATE);
#endif /* USE_IPV6 */
/* OK to start the FTP Server. */
status = nx_ftp_server_start(&ftp_server);
if (status != NX_SUCCESS)
error_counter++;
printf("Server started!\n");
/* FTP server ready to take requests! */
/* Let the IP threads execute. */
tx_thread_relinquish();
return;
}
#ifdef USE_IPV6
UINT server_login6(struct NX_FTP_SERVER_STRUCT *ftp_server_ptr, NXD_ADDRESS *client_ipduo_address, UINT client_port,
CHAR *name, CHAR *password, CHAR *extra_info)
{
NX_PARAMETER_NOT_USED(ftp_server_ptr);
NX_PARAMETER_NOT_USED(client_ipduo_address);
NX_PARAMETER_NOT_USED(client_port);
NX_PARAMETER_NOT_USED(name);
NX_PARAMETER_NOT_USED(password);
NX_PARAMETER_NOT_USED(extra_info);
printf("Logged in6!\n");
/* Always return success. */
return(NX_SUCCESS);
}
UINT server_logout6(struct NX_FTP_SERVER_STRUCT *ftp_server_ptr, NXD_ADDRESS *client_ipduo_address, UINT client_port,
CHAR *name, CHAR *password, CHAR *extra_info)
{
NX_PARAMETER_NOT_USED(ftp_server_ptr);
NX_PARAMETER_NOT_USED(client_ipduo_address);
NX_PARAMETER_NOT_USED(client_port);
NX_PARAMETER_NOT_USED(name);
NX_PARAMETER_NOT_USED(password);
NX_PARAMETER_NOT_USED(extra_info);
printf("Logged out6!\n");
/* Always return success. */
return(NX_SUCCESS);
}
#else
UINT server_login(struct NX_FTP_SERVER_STRUCT *ftp_server_ptr, ULONG client_ip_address, UINT client_port, CHAR *name, CHAR *password, CHAR *extra_info)
{
NX_PARAMETER_NOT_USED(ftp_server_ptr);
NX_PARAMETER_NOT_USED(client_ip_address);
NX_PARAMETER_NOT_USED(client_port);
NX_PARAMETER_NOT_USED(name);
NX_PARAMETER_NOT_USED(password);
NX_PARAMETER_NOT_USED(extra_info);
printf("Logged in!\n");
/* Always return success. */
return(NX_SUCCESS);
}
UINT server_logout(struct NX_FTP_SERVER_STRUCT *ftp_server_ptr, ULONG client_ip_address, UINT client_port, CHAR *name, CHAR *password, CHAR *extra_info)
{
NX_PARAMETER_NOT_USED(ftp_server_ptr);
NX_PARAMETER_NOT_USED(client_ip_address);
NX_PARAMETER_NOT_USED(client_port);
NX_PARAMETER_NOT_USED(name);
NX_PARAMETER_NOT_USED(password);
NX_PARAMETER_NOT_USED(extra_info);
printf("Logged out!\n");
/* Always return success. */
return(NX_SUCCESS);
}
#endif /* USE_IPV6 */