/************************************************************************
* NAME: fnet_init
*
* DESCRIPTION:
*************************************************************************/
fnet_return_t fnet_init( struct fnet_init_params *init_params )
{
fnet_return_t result = FNET_ERR;
if(init_params
&& (fnet_os_mutex_init() == FNET_OK)
&& (fnet_os_event_init() == FNET_OK))
{
fnet_os_mutex_lock();
if(_fnet_enabled == FNET_FALSE) /* Is enabled already?. */
{
if((result = fnet_heap_init(init_params->netheap_ptr, init_params->netheap_size)) == FNET_OK )
{
if((result = fnet_stack_init()) == FNET_OK)
{
_fnet_enabled = FNET_TRUE; /* Mark the stack is enabled. */
}
}
}
fnet_os_mutex_unlock();
}
return result;
}
/************************************************************************
* NAME: fnet_fs_unmount
*
* DESCRIPTION: Unmounts a FS.
*************************************************************************/
fnet_return_t fnet_fs_unmount( const fnet_char_t *mount_name )
{
fnet_return_t result = FNET_ERR;
struct fnet_fs_mount_point *mount_point;
struct fnet_fs *fs;
if(mount_name)
{
fnet_os_mutex_lock();
mount_point = fnet_fs_find_mount(&mount_name);
if(mount_point)
{
fs = mount_point->fs;
if(fs && (fs->operations) && (fs->operations->unmount) )
{
fs->operations->unmount(mount_point->arg);
}
fnet_memset_zero( mount_point, sizeof(struct fnet_fs_mount_point) );
result = FNET_OK;
}
fnet_os_mutex_unlock();
}
return result;
}
/************************************************************************
* NAME: fnet_netif_set_default
*
* DESCRIPTION: This function sets the default network interface.
*************************************************************************/
void fnet_netif_set_default( fnet_netif_desc_t netif_desc )
{
if(netif_desc)
{
fnet_os_mutex_lock();
fnet_netif_default = netif_desc;
fnet_os_mutex_unlock();
}
}
void fnet_netif_set_ip4_addr( fnet_netif_desc_t netif_desc, fnet_ip4_addr_t ipaddr )
{
fnet_netif_t *netif = (fnet_netif_t *)netif_desc;
fnet_os_mutex_lock();
if(netif_desc)
{
netif->ip4_addr.address = ipaddr; /* IP address */
netif->ip4_addr.is_automatic = 0; /* Adress is set manually. */
if(FNET_IP4_CLASS_A(netif->ip4_addr.address))
{
if(netif->ip4_addr.subnetmask == 0)
netif->ip4_addr.subnetmask = FNET_IP4_CLASS_A_NET;
netif->ip4_addr.netmask = FNET_IP4_CLASS_A_NET;
}
else
{
if(FNET_IP4_CLASS_B(netif->ip4_addr.address))
{
if(netif->ip4_addr.subnetmask == 0)
netif->ip4_addr.subnetmask = FNET_IP4_CLASS_B_NET;
netif->ip4_addr.netmask = FNET_IP4_CLASS_B_NET;
}
else
{
if(FNET_IP4_CLASS_C(netif->ip4_addr.address))
{
if(netif->ip4_addr.subnetmask == 0)
netif->ip4_addr.subnetmask = FNET_IP4_CLASS_C_NET;
netif->ip4_addr.netmask = FNET_IP4_CLASS_C_NET;
}
/* else: Is not supported */
}
}
netif->ip4_addr.net = netif->ip4_addr.address & netif->ip4_addr.netmask; /* Network address.*/
netif->ip4_addr.subnet = netif->ip4_addr.address & netif->ip4_addr.subnetmask; /* Network and subnet address.*/
netif->ip4_addr.netbroadcast = netif->ip4_addr.address | (~netif->ip4_addr.netmask); /* Network broadcast address.*/
netif->ip4_addr.subnetbroadcast = netif->ip4_addr.address
| (~netif->ip4_addr.subnetmask); /* Subnet broadcast address.*/
if(netif->api->set_addr_notify)
netif->api->set_addr_notify(netif);
}
fnet_os_mutex_unlock();
}
void fnet_netif_set_ip4_gateway( fnet_netif_desc_t netif_desc, fnet_ip4_addr_t gw )
{
fnet_netif_t *netif = (fnet_netif_t *)netif_desc;
if(netif)
{
fnet_os_mutex_lock();
netif->ip4_addr.gateway = gw;
netif->ip4_addr.is_automatic = 0;
fnet_os_mutex_unlock();
}
}
/************************************************************************
* NAME: fnet_fs_rewinddir
*
* DESCRIPTION: Resets the position of the directory stream.
*************************************************************************/
void fnet_fs_rewinddir( fnet_fs_dir_t dir )
{
struct fnet_fs_desc * dirp = (struct fnet_fs_desc *) dir;
if(dirp)
{
fnet_os_mutex_lock();
/* Reset current index. */
dirp->pos = 0U;
fnet_os_mutex_unlock();
}
}
/************************************************************************
* NAME: fnet_fs_rewind
*
* DESCRIPTION: Resets the position of the file stream.
*************************************************************************/
void fnet_fs_rewind(FNET_FS_FILE file)
{
struct fnet_fs_desc * filep = (struct fnet_fs_desc *) file;
if(filep)
{
fnet_os_mutex_lock();
/* Reset current pos. */
filep->pos = 0;
fnet_os_mutex_unlock();
}
}
/************************************************************************
* NAME: fnet_fs_rewind
*
* DESCRIPTION: Resets the position of the file stream.
*************************************************************************/
void fnet_fs_rewind(fnet_fs_file_t file)
{
struct fnet_fs_desc * filep = (struct fnet_fs_desc *) file;
if(filep)
{
fnet_os_mutex_lock();
/* Reset current pos. */
filep->pos = 0u;
fnet_os_mutex_unlock();
}
}
/************************************************************************
* NAME: fnet_netif_set_ip4_dns
*
* DESCRIPTION: This function sets the DNS IP address.
*************************************************************************/
void fnet_netif_set_ip4_dns( fnet_netif_desc_t netif_desc, fnet_ip4_addr_t dns )
{
fnet_netif_t *netif = (fnet_netif_t *)netif_desc;
if(netif)
{
fnet_os_mutex_lock();
netif->ip4_addr.dns = dns;
netif->ip4_addr.is_automatic = 0;
fnet_os_mutex_unlock();
}
}
/************************************************************************
* NAME: fnet_netif_join_ip6_multicast
*
* DESCRIPTION:
*************************************************************************/
void fnet_netif_join_ip6_multicast ( fnet_netif_desc_t netif_desc, const fnet_ip6_addr_t *multicast_addr )
{
fnet_netif_t *netif = (fnet_netif_t *)netif_desc;
fnet_os_mutex_lock();
if(netif && netif->api->multicast_join_ip6)
{
netif->api->multicast_join_ip6(netif, multicast_addr);
}
fnet_os_mutex_unlock();
}
void fnet_netif_leave_ip4_multicast ( fnet_netif_desc_t netif_desc, fnet_ip4_addr_t multicast_addr )
{
fnet_netif_t *netif = (fnet_netif_t *)netif_desc;
fnet_os_mutex_lock();
if(netif && netif->api->multicast_leave_ip4)
{
netif->api->multicast_leave_ip4(netif, multicast_addr);
}
fnet_os_mutex_unlock();
}
/************************************************************************
* NAME: fnet_release
*
* DESCRIPTION:
*************************************************************************/
void fnet_release(void)
{
fnet_os_mutex_lock();
if(_fnet_enabled)
{
fnet_stack_release();
_fnet_enabled = FNET_FALSE;
}
fnet_os_mutex_unlock();
fnet_os_mutex_release();
}
/************************************************************************
* NAME: fnet_fs_closedir
*
* DESCRIPTION: Close DIR stream.
*************************************************************************/
fnet_return_t fnet_fs_fclose( fnet_fs_file_t file)
{
fnet_return_t result = FNET_ERR;
struct fnet_fs_desc *filep = (struct fnet_fs_desc *)file;
if(filep)
{
fnet_os_mutex_lock();
fnet_memset_zero( filep, sizeof(struct fnet_fs_desc) ); /* clear file structure */
fnet_os_mutex_unlock();
result = FNET_OK;
}
return result;
}
/************************************************************************
* NAME: fnet_fs_closedir
*
* DESCRIPTION: Close DIR stream.
*************************************************************************/
fnet_return_t fnet_fs_closedir( fnet_fs_dir_t dir)
{
fnet_return_t result = FNET_ERR;
struct fnet_fs_desc *dirp = (struct fnet_fs_desc *)dir;
if(dirp)
{
fnet_os_mutex_lock();
fnet_memset_zero( dirp, sizeof(struct fnet_fs_desc) ); /* clear dir structure */
fnet_os_mutex_unlock();
result = FNET_OK;
}
return result;
}
/************************************************************************
* NAME: fnet_fs_register
*
* DESCRIPTION: This function registers a FS.
*************************************************************************/
void fnet_fs_register( struct fnet_fs *fs )
{
if(fs)
{
fnet_os_mutex_lock();
fs->_next = fnet_fs_list;
if(fs->_next != 0)
fs->_next->_prev = fs;
fs->_prev = 0;
fnet_fs_list = fs;
fnet_os_mutex_unlock();
}
}
void fnet_netif_set_ip4_subnet_mask( fnet_netif_desc_t netif_desc, fnet_ip4_addr_t subnet_mask )
{
fnet_netif_t *netif = (fnet_netif_t *)netif_desc;
if(netif)
{
fnet_os_mutex_lock();
netif->ip4_addr.subnetmask = subnet_mask;
netif->ip4_addr.is_automatic = 0;
netif->ip4_addr.subnet = netif->ip4_addr.address & netif->ip4_addr.subnetmask; // network and subnet address
netif->ip4_addr.subnetbroadcast = netif->ip4_addr.address
| (~netif->ip4_addr.subnetmask); // subnet broadcast address
fnet_os_mutex_unlock();
}
}
/************************************************************************
* NAME: fnet_fs_mount
*
* DESCRIPTION: Mounts a FS.
*************************************************************************/
fnet_return_t fnet_fs_mount( fnet_char_t *fs_name, const fnet_char_t *mount_name, const void *arg )
{
fnet_return_t result = FNET_ERR;
struct fnet_fs_mount_point *mount_point = 0;
struct fnet_fs * fs;
fnet_index_t i;
if(fs_name && mount_name)
{
fnet_os_mutex_lock();
fs = fnet_fs_find_name(fs_name);
if(fs)
{
for(i=0U; i< FNET_CFG_FS_MOUNT_MAX; i++)
{
if(fnet_fs_mount_list[i].fs == 0)
{
mount_point = &fnet_fs_mount_list[i]; /* found free mount point */
break;
}
}
if(mount_point)
{
if((fs->operations) && (fs->operations->mount))
{
result = fs->operations->mount(arg);
}
else
{
result = FNET_OK;
}
if(result == FNET_OK) /* Mount is successful */
{
mount_point->arg = arg; /* Fill mount info structure. */
mount_point->fs = fs;
fnet_strncpy( mount_point->name, mount_name, FNET_CFG_FS_MOUNT_NAME_MAX+1U );
}
}
}
fnet_os_mutex_unlock();
}
return result;
}
/************************************************************************
* NAME: fnet_fs_unregister
*
* DESCRIPTION: This function unregisters a FS.
*************************************************************************/
void fnet_fs_unregister( struct fnet_fs *fs )
{
if(fs)
{
fnet_os_mutex_lock();
if(fs->_prev == 0)
fnet_fs_list = fs->_next;
else
fs->_prev->_next = fs->_next;
if(fs->_next != 0)
fs->_next->_prev = fs->_prev;
fnet_os_mutex_unlock();
}
}
/************************************************************************
* NAME: fnet_fs_fseek
*
* DESCRIPTION: Change the file position indicator for the specified file.
*************************************************************************/
int fnet_fs_fseek (FNET_FS_FILE file, long offset, int origin)
{
int result = FNET_ERR;
struct fnet_fs_desc * filep = (struct fnet_fs_desc *) file;
if(filep)
{
fnet_os_mutex_lock();
if(filep->mount && filep->mount->fs
&& filep->mount->fs->file_operations
&& filep->mount->fs->file_operations->fseek)
{
result = filep->mount->fs->file_operations->fseek(filep, offset, (fnet_fs_seek_origin_t)origin);
}
fnet_os_mutex_unlock();
}
return result;
}
/************************************************************************
* NAME: fnet_fs_finfo
*
* DESCRIPTION: Reads file info data.
*************************************************************************/
int fnet_fs_finfo (FNET_FS_FILE file, struct fnet_fs_dirent *info)
{
int result = FNET_ERR;
struct fnet_fs_desc *filep = (struct fnet_fs_desc *) file;
if(filep)
{
fnet_os_mutex_lock();
if(filep->mount && filep->mount->fs
&& filep->mount->fs->file_operations
&& filep->mount->fs->file_operations->finfo)
{
result = filep->mount->fs->file_operations->finfo(filep, info);
}
fnet_os_mutex_unlock();
}
return result;
}
/************************************************************************
* NAME: fnet_fs_readdir
*
* DESCRIPTION: Returns a pointer to a structure representing the directory
* entry.
*************************************************************************/
fnet_return_t fnet_fs_readdir(fnet_fs_dir_t dir, struct fnet_fs_dirent* dirent)
{
fnet_return_t result = FNET_ERR;
struct fnet_fs_desc *dirp = (struct fnet_fs_desc *) dir;
if(dirp)
{
fnet_os_mutex_lock();
if((dirp->mount) && (dirp->mount->fs)
&& (dirp->mount->fs->dir_operations)
&& (dirp->mount->fs->dir_operations->readdir))
{
result = dirp->mount->fs->dir_operations->readdir(dirp, dirent);
}
fnet_os_mutex_unlock();
}
return result;
}
/************************************************************************
* NAME: fnet_fs_fseek
*
* DESCRIPTION: Change the file position indicator for the specified file.
*************************************************************************/
fnet_return_t fnet_fs_fseek (fnet_fs_file_t file, fnet_int32_t offset, fnet_fs_seek_origin_t origin)
{
fnet_return_t result = FNET_ERR;
struct fnet_fs_desc *filep = (struct fnet_fs_desc *) file;
if(filep)
{
fnet_os_mutex_lock();
if((filep->mount) && (filep->mount->fs)
&& (filep->mount->fs->file_operations)
&& (filep->mount->fs->file_operations->fseek))
{
result = filep->mount->fs->file_operations->fseek(filep, offset, origin);
}
fnet_os_mutex_unlock();
}
return result;
}
/************************************************************************
* NAME: fnet_fs_finfo
*
* DESCRIPTION: Reads file info data.
*************************************************************************/
fnet_return_t fnet_fs_finfo (fnet_fs_file_t file, struct fnet_fs_dirent *dirent)
{
fnet_return_t result = FNET_ERR;
struct fnet_fs_desc *filep = (struct fnet_fs_desc *) file;
if(filep)
{
fnet_os_mutex_lock();
if((filep->mount) && (filep->mount->fs)
&& (filep->mount->fs->file_operations)
&& (filep->mount->fs->file_operations->finfo))
{
result = filep->mount->fs->file_operations->finfo(filep, dirent);
}
fnet_os_mutex_unlock();
}
return result;
}
/************************************************************************
* NAME: fnet_fs_readdir
*
* DESCRIPTION: Returns a pointer to a structure representing the directory
* entry.
*************************************************************************/
int fnet_fs_readdir(FNET_FS_DIR dir, struct fnet_fs_dirent* dirent)
{
int result = FNET_ERR;
struct fnet_fs_desc * dirp = (struct fnet_fs_desc *) dir;
if(dirp)
{
fnet_os_mutex_lock();
if(dirp->mount && dirp->mount->fs
&& dirp->mount->fs->dir_operations
&& dirp->mount->fs->dir_operations->readdir)
{
result = dirp->mount->fs->dir_operations->readdir(dirp, dirent);
}
fnet_os_mutex_unlock();
}
return result;
}
/************************************************************************
* NAME: get_fs_fread
*
* DESCRIPTION:
*************************************************************************/
fnet_size_t fnet_fs_fread(void * buf, fnet_size_t size, fnet_fs_file_t file)
{
fnet_size_t result = 0u;
struct fnet_fs_desc *filep = (struct fnet_fs_desc *) file;
fnet_size_t bytes = size;
if(filep && bytes && buf)
{
fnet_os_mutex_lock();
if((filep->mount) && (filep->mount->fs)
&& (filep->mount->fs->file_operations)
&& (filep->mount->fs->file_operations->fread))
{
result = filep->mount->fs->file_operations->fread(filep, buf, bytes);
}
fnet_os_mutex_unlock();
}
return result;
}
/************************************************************************
* NAME: get_fs_fread
*
* DESCRIPTION:
*************************************************************************/
unsigned long fnet_fs_fread(void * buf, unsigned long size, FNET_FS_FILE file)
{
unsigned long result = 0;
struct fnet_fs_desc * filep = (struct fnet_fs_desc *) file;
unsigned long bytes = size;
if(filep && bytes && buf)
{
fnet_os_mutex_lock();
if(filep->mount && filep->mount->fs
&& filep->mount->fs->file_operations
&& filep->mount->fs->file_operations->fread)
{
result = filep->mount->fs->file_operations->fread(filep, buf, bytes);
}
fnet_os_mutex_unlock();
}
return result;
}
/************************************************************************
* NAME: net_if_find
*
* DESCRIPTION: Returns a network interface given its name.
*************************************************************************/
fnet_netif_desc_t fnet_netif_get_by_name( char *name )
{
fnet_netif_t *netif;
fnet_netif_desc_t result = (fnet_netif_desc_t)FNET_NULL;
fnet_os_mutex_lock();
if(name)
for (netif = fnet_netif_list; netif != 0; netif = netif->next)
{
if(fnet_strncmp(name, netif->name, FNET_NETIF_NAMELEN) == 0)
{
result = (fnet_netif_desc_t)netif;
break;
}
}
fnet_os_mutex_unlock();
return result;
}
/************************************************************************
* NAME: fnet_fs_find_name
*
* DESCRIPTION: Returns a FS given its name.
*************************************************************************/
struct fnet_fs * fnet_fs_find_name( char *name )
{
struct fnet_fs *fs;
struct fnet_fs *result = 0;
fnet_os_mutex_lock();
if(name)
for (fs = fnet_fs_list; fs != 0; fs = fs->_next)
{
if(fnet_strcmp(name, fs->name) == 0)
{
result = fs;
break;
}
}
fnet_os_mutex_unlock();
return result;
}
/************************************************************************
* NAME: fnet_netif_get_hw_addr
*
* DESCRIPTION: This function reads HW interface address.
* (MAC address in case of Ethernet interface)
*************************************************************************/
int fnet_netif_get_hw_addr( fnet_netif_desc_t netif_desc, unsigned char *hw_addr, unsigned int hw_addr_size )
{
int result;
fnet_netif_t *netif = (fnet_netif_t *)netif_desc;
fnet_os_mutex_lock();
if(netif && hw_addr && hw_addr_size && netif->api
&& (hw_addr_size >= netif->api->hw_addr_size)
&& netif->api->get_hw_addr)
{
result = netif->api->get_hw_addr(netif, hw_addr);
}
else
result = FNET_ERR;
fnet_os_mutex_unlock();
return result;
}
/************************************************************************
* NAME: fnet_fs_fgetc
*
* DESCRIPTION: If successful, fgetc returns the next byte or character from the stream
* If unsuccessful, fgetc returns EOF.
*************************************************************************/
int fnet_fs_fgetc(FNET_FS_FILE file)
{
int result = FNET_FS_EOF;
struct fnet_fs_desc * filep = (struct fnet_fs_desc *) file;
char buf;
if(filep)
{
fnet_os_mutex_lock();
if(filep->mount && filep->mount->fs
&& filep->mount->fs->file_operations
&& filep->mount->fs->file_operations->fread)
{
if(filep->mount->fs->file_operations->fread(filep, &buf, 1) != 0)
result = (unsigned char)buf;
}
fnet_os_mutex_unlock();
}
return result;
}