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[at][sal] Add query and unregistered protocol family functions

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This commit is contained in:
chenyong
2018-08-25 16:01:31 +08:00
parent 0d737de882
commit 192b177518
7 changed files with 159 additions and 32 deletions
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components/net/sal_socket/src/sal_socket.c
+102 -28
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@@ -50,7 +50,7 @@ static struct rt_mutex sal_core_lock;
static rt_bool_t init_ok = RT_FALSE;
/**
* SAL (Socket Abstraction Layer) initialization.
* SAL (Socket Abstraction Layer) initialize.
*
* @return result
* >= 0: initialize success
@@ -64,7 +64,7 @@ int sal_init(void)
}
/* clean sal socket table */
memset(&socket_table, 0, sizeof(socket_table));
rt_memset(&socket_table, 0, sizeof(socket_table));
/* create sal socket lock */
rt_mutex_init(&sal_core_lock, "sal_lock", RT_IPC_FLAG_FIFO);
@@ -76,12 +76,12 @@ int sal_init(void)
INIT_COMPONENT_EXPORT(sal_init);
/**
* this function will register the current protocol family to the global array of protocol families.
* This function will register protocol family to the global array of protocol families.
*
* @param pf protocol families structure
* @param pf protocol family object
*
* @return 0 : protocol families structure index
* -1 : the global array of available protocol families is full
* @return >=0 : protocol family object index
* -1 : the global array of available protocol families is full
*/
int sal_proto_family_register(const struct proto_family *pf)
{
@@ -91,6 +91,18 @@ int sal_proto_family_register(const struct proto_family *pf)
/* disable interrupt */
level = rt_hw_interrupt_disable();
/* check protocol family is already registered */
for(idx = 0; idx < SAL_PROTO_FAMILIES_NUM; idx++)
{
if(rt_strcmp(proto_families[idx].name, pf->name) == 0)
{
/* enable interrupt */
rt_hw_interrupt_enable(level);
LOG_E("%s protocol family is already registered!", pf->name);
return -1;
}
}
/* find an empty protocol family entry */
for(idx = 0; idx < SAL_PROTO_FAMILIES_NUM && proto_families[idx].create; idx++);
@@ -99,10 +111,10 @@ int sal_proto_family_register(const struct proto_family *pf)
{
/* enable interrupt */
rt_hw_interrupt_enable(level);
return -1;
}
rt_strncpy(proto_families[idx].name, pf->name, rt_strlen(pf->name));
proto_families[idx].family = pf->family;
proto_families[idx].sec_family = pf->sec_family;
proto_families[idx].create = pf->create;
@@ -119,11 +131,62 @@ int sal_proto_family_register(const struct proto_family *pf)
}
/**
* this function will get socket structure by sal socket descriptor
* This function removes a previously registered protocol family object.
*
* @param pf protocol family object
*
* @return >=0 : unregister protocol family index
* -1 : unregister failed
*/
int sal_proto_family_unregister(const struct proto_family *pf)
{
int idx = 0;
RT_ASSERT(pf != RT_NULL);
for(idx = 0; idx < SAL_PROTO_FAMILIES_NUM; idx++)
{
if(rt_strcmp(proto_families[idx].name, pf->name) == 0)
{
rt_memset(&proto_families[idx], 0x00, sizeof(struct proto_family));
return idx;
}
}
return -1;
}
/**
* This function will get protocol family by name.
*
* @param name protocol family name
*
* @return protocol family object
*/
struct proto_family *sal_proto_family_find(const char *name)
{
int idx = 0;
RT_ASSERT(name != RT_NULL);
for (idx = 0; idx < SAL_PROTO_FAMILIES_NUM; idx++)
{
if (rt_strcmp(proto_families[idx].name, name) == 0)
{
return &proto_families[idx];
}
}
return RT_NULL;
}
/**
* This function will get sal socket object by sal socket descriptor.
*
* @param socket sal socket index
*
* @return socket structure of the current sal socket index
* @return sal socket object of the current sal socket index
*/
struct sal_socket *sal_get_socket(int socket)
{
@@ -145,7 +208,7 @@ struct sal_socket *sal_get_socket(int socket)
}
/**
* this function will lock sal socket.
* This function will lock sal socket.
*
* @note please don't invoke it on ISR.
*/
@@ -161,7 +224,7 @@ static void sal_lock(void)
}
/**
* this function will lock sal socket.
* This function will lock sal socket.
*
* @note please don't invoke it on ISR.
*/
@@ -171,7 +234,7 @@ static void sal_unlock(void)
}
/**
* this function will get protocol family structure by family type
* This function will get protocol family structure by family type
*
* @param family protocol family
*
@@ -201,17 +264,17 @@ static struct proto_family *get_proto_family(int family)
}
/**
* this function will initialize socket structure and set socket options
* This function will initialize sal socket object and set socket options
*
* @param family protocol family
* @param type socket type
* @param protocol transfer Protocol
* @param res socket structure address
* @param res sal socket object address
*
* @return 0 : socket initialize success
* -1 : input the wrong family
* -2 : input the wrong socket type
* -3 : get protocol family structure failed
* -3 : get protocol family object failed
* -4 : set socket options failed
*/
static int socket_init(int family, int type, int protocol, struct sal_socket **res)
@@ -234,7 +297,7 @@ static int socket_init(int family, int type, int protocol, struct sal_socket **r
sock->type = type;
sock->protocol = protocol;
/* get socket protocol family structure */
/* get socket protocol family object */
if ((pf = get_proto_family(family)) == RT_NULL)
{
return -3;
@@ -301,11 +364,6 @@ __result:
}
/**
* this function will return a empty sal socket structure address
*
* @return sal socket structure address
*/
static int socket_new(void)
{
struct sal_socket *sock;
@@ -415,7 +473,7 @@ int sal_shutdown(int socket, int how)
if (sock->ops->shutdown((int) sock->user_data, how) == 0)
{
memset(sock, 0x00, sizeof(struct sal_socket));
rt_memset(sock, 0x00, sizeof(struct sal_socket));
return 0;
}
@@ -622,7 +680,7 @@ int sal_closesocket(int socket)
if (sock->ops->closesocket((int) sock->user_data) == 0)
{
memset(sock, 0x00, sizeof(struct sal_socket));
rt_memset(sock, 0x00, sizeof(struct sal_socket));
return 0;
}
@@ -669,12 +727,18 @@ int sal_poll(struct dfs_fd *file, struct rt_pollreq *req)
struct hostent *sal_gethostbyname(const char *name)
{
int i;
struct hostent *hst;
for (i = 0; i < SAL_PROTO_FAMILIES_NUM; ++i)
{
if (proto_families[i].gethostbyname)
{
return proto_families[i].gethostbyname(name);
hst = proto_families[i].gethostbyname(name);
if (hst != RT_NULL)
{
return hst;
}
continue;
}
}
@@ -684,13 +748,18 @@ struct hostent *sal_gethostbyname(const char *name)
int sal_gethostbyname_r(const char *name, struct hostent *ret, char *buf,
size_t buflen, struct hostent **result, int *h_errnop)
{
int i;
int i, res;
for (i = 0; i < SAL_PROTO_FAMILIES_NUM; ++i)
{
if (proto_families[i].gethostbyname_r)
{
return proto_families[i].gethostbyname_r(name, ret, buf, buflen, result, h_errnop);
res = proto_families[i].gethostbyname_r(name, ret, buf, buflen, result, h_errnop);
if (res == 0)
{
return res;
}
continue;
}
}
@@ -716,13 +785,18 @@ int sal_getaddrinfo(const char *nodename,
const struct addrinfo *hints,
struct addrinfo **res)
{
int i;
int i, ret;
for (i = 0; i < SAL_PROTO_FAMILIES_NUM; ++i)
{
if (proto_families[i].getaddrinfo)
{
return proto_families[i].getaddrinfo(nodename, servname, hints, res);
ret = proto_families[i].getaddrinfo(nodename, servname, hints, res);
if (ret == 0)
{
return ret;
}
continue;
}
}