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-rw-r--r--components/net/at/Kconfig2
-rw-r--r--components/net/at/at_socket/at_socket.c412
-rw-r--r--components/net/at/at_socket/at_socket.h25
-rw-r--r--components/net/at/include/at.h30
-rw-r--r--components/net/at/src/at_client.c157
-rw-r--r--components/net/at/src/at_utils.c2
6 files changed, 405 insertions, 223 deletions
diff --git a/components/net/at/Kconfig b/components/net/at/Kconfig
index b1909f86bf..5a4a644761 100644
--- a/components/net/at/Kconfig
+++ b/components/net/at/Kconfig
@@ -83,7 +83,7 @@ if RT_USING_AT
config AT_SW_VERSION_NUM
hex
- default 0x10200
+ default 0x10300
help
sfotware module version number
diff --git a/components/net/at/at_socket/at_socket.c b/components/net/at/at_socket/at_socket.c
index f08a374bf0..a3b36a06ae 100644
--- a/components/net/at/at_socket/at_socket.c
+++ b/components/net/at/at_socket/at_socket.c
@@ -15,11 +15,15 @@
#include <sys/time.h>
#include <at_socket.h>
+#include <at_device.h>
#ifdef SAL_USING_POSIX
#include <dfs_poll.h>
#endif
+#include <arpa/inet.h>
+#include <netdev.h>
+
#define LOG_TAG "at.skt"
#include <at_log.h>
@@ -32,10 +36,6 @@
((unsigned char *)&addr)[2], \
((unsigned char *)&addr)[3]
-#if !defined(AT_DEVICE_SOCKETS_NUM) || defined(AT_DEVICE_NOT_SELECTED)
-#error The AT socket device is not selected, please select it through the env menuconfig.
-#endif
-
/* The maximum number of sockets structure */
#ifndef AT_SOCKETS_NUM
#define AT_SOCKETS_NUM AT_DEVICE_SOCKETS_NUM
@@ -47,31 +47,41 @@ typedef enum {
AT_EVENT_ERROR,
} at_event_t;
-/* the global array of available sockets */
-static struct at_socket sockets[AT_SOCKETS_NUM] = { 0 };
-/* AT device socket options */
-static struct at_device_ops *at_dev_ops = RT_NULL;
+
+/* the global of sockets list */
+static rt_slist_t _socket_list = RT_SLIST_OBJECT_INIT(_socket_list);
struct at_socket *at_get_socket(int socket)
{
- if (socket < 0 || socket >= AT_SOCKETS_NUM)
- {
- return RT_NULL;
- }
+ rt_base_t level;
+ size_t list_num = 0;
+ rt_slist_t *node = RT_NULL;
+ struct at_socket *at_sock = RT_NULL;
+
+ level = rt_hw_interrupt_disable();
- /* check socket structure valid or not */
- if (sockets[socket].magic != AT_SOCKET_MAGIC)
+ rt_slist_for_each(node, &_socket_list)
{
- return RT_NULL;
- }
+ if (socket == (list_num++))
+ {
+ at_sock = rt_slist_entry(node, struct at_socket, list);
+ if (at_sock && at_sock->magic == AT_SOCKET_MAGIC)
+ {
+ rt_hw_interrupt_enable(level);
+ return at_sock;
+ }
+ }
+ }
+
+ rt_hw_interrupt_enable(level);
- return &sockets[socket];
+ return RT_NULL;
}
/* get a block to the AT socket receive list*/
static size_t at_recvpkt_put(rt_slist_t *rlist, const char *ptr, size_t length)
{
- at_recv_pkt_t pkt;
+ at_recv_pkt_t pkt = RT_NULL;
pkt = (at_recv_pkt_t) rt_calloc(1, sizeof(struct at_recv_pkt));
if (pkt == RT_NULL)
@@ -92,11 +102,13 @@ static size_t at_recvpkt_put(rt_slist_t *rlist, const char *ptr, size_t length)
/* delete and free all receive buffer list */
static int at_recvpkt_all_delete(rt_slist_t *rlist)
{
- at_recv_pkt_t pkt;
- rt_slist_t *node;
+ at_recv_pkt_t pkt = RT_NULL;
+ rt_slist_t *node = RT_NULL;
- if(rt_slist_isempty(rlist))
+ if (rt_slist_isempty(rlist))
+ {
return 0;
+ }
for(node = rt_slist_first(rlist); node; node = rt_slist_next(node))
{
@@ -105,7 +117,7 @@ static int at_recvpkt_all_delete(rt_slist_t *rlist)
{
rt_free(pkt->buff);
}
- if(pkt)
+ if (pkt)
{
rt_free(pkt);
pkt = RT_NULL;
@@ -118,14 +130,16 @@ static int at_recvpkt_all_delete(rt_slist_t *rlist)
/* delete and free specified list block */
static int at_recvpkt_node_delete(rt_slist_t *rlist, rt_slist_t *node)
{
- at_recv_pkt_t pkt;
+ at_recv_pkt_t pkt = RT_NULL;
- if(rt_slist_isempty(rlist))
+ if (rt_slist_isempty(rlist))
+ {
return 0;
+ }
rt_slist_remove(rlist, node);
- pkt= rt_slist_entry(node, struct at_recv_pkt, list);
+ pkt = rt_slist_entry(node, struct at_recv_pkt, list);
if (pkt->buff)
{
rt_free(pkt->buff);
@@ -139,15 +153,17 @@ static int at_recvpkt_node_delete(rt_slist_t *rlist, rt_slist_t *node)
return 0;
}
-/* get a block from AT socket receive list */
+/* get a block from AT socket receive buffer list */
static size_t at_recvpkt_get(rt_slist_t *rlist, char *mem, size_t len)
{
- rt_slist_t *node;
- at_recv_pkt_t pkt;
+ rt_slist_t *node = RT_NULL;
+ at_recv_pkt_t pkt = RT_NULL;
size_t content_pos = 0, page_pos = 0;
- if(rt_slist_isempty(rlist))
+ if (rt_slist_isempty(rlist))
+ {
return 0;
+ }
for (node = rt_slist_first(rlist); node; node = rt_slist_next(node))
{
@@ -191,7 +207,6 @@ static void at_do_event_changes(struct at_socket *sock, at_event_t event, rt_boo
#ifdef SAL_USING_POSIX
rt_wqueue_wakeup(&sock->wait_head, (void*) POLLOUT);
#endif
-
}
else if (sock->sendevent)
{
@@ -208,7 +223,6 @@ static void at_do_event_changes(struct at_socket *sock, at_event_t event, rt_boo
#ifdef SAL_USING_POSIX
rt_wqueue_wakeup(&sock->wait_head, (void*) POLLIN);
#endif
-
}
else if (sock->rcvevent)
{
@@ -225,7 +239,6 @@ static void at_do_event_changes(struct at_socket *sock, at_event_t event, rt_boo
#ifdef SAL_USING_POSIX
rt_wqueue_wakeup(&sock->wait_head, (void*) POLLERR);
#endif
-
}
else if (sock->errevent)
{
@@ -262,20 +275,20 @@ static void at_do_event_clean(struct at_socket *sock, at_event_t event)
}
}
-static struct at_socket *alloc_socket(void)
+static struct at_socket *alloc_socket_by_device(struct at_device *device)
{
static rt_mutex_t at_slock = RT_NULL;
- char name[RT_NAME_MAX];
- struct at_socket *sock;
- int idx;
+ struct at_socket *sock = RT_NULL;
+ char name[RT_NAME_MAX] = {0};
+ int idx = 0;
- if(at_slock == RT_NULL)
+ if (at_slock == RT_NULL)
{
/* create AT socket lock */
- at_slock = rt_mutex_create("at_s", RT_IPC_FLAG_FIFO);
+ at_slock = rt_mutex_create("at_slock", RT_IPC_FLAG_FIFO);
if (at_slock == RT_NULL)
{
- LOG_E("No memory for AT socket lock!");
+ LOG_E("No memory for socket allocation lock!");
return RT_NULL;
}
}
@@ -283,34 +296,58 @@ static struct at_socket *alloc_socket(void)
rt_mutex_take(at_slock, RT_WAITING_FOREVER);
/* find an empty at socket entry */
- for (idx = 0; idx < AT_SOCKETS_NUM && sockets[idx].magic; idx++);
+ for (idx = 0; idx < device->class->socket_num && device->sockets[idx].magic; idx++);
/* can't find an empty protocol family entry */
- if (idx == AT_SOCKETS_NUM)
+ if (idx == device->class->socket_num)
{
goto __err;
}
- sock = &(sockets[idx]);
+ /* add device socket to global socket list */
+ {
+ rt_base_t level;
+
+ level = rt_hw_interrupt_disable();
+
+ rt_slist_init(&(device->sockets[idx].list));
+ rt_slist_append(&_socket_list, &(device->sockets[idx].list));
+
+ rt_hw_interrupt_enable(level);
+ }
+
+ sock = &(device->sockets[idx]);
+ /* the socket descriptor is the number of sockte lists */
+ sock->socket = rt_slist_len(&_socket_list) - 1;
+ /* the socket operations is the specify operations of the device */
+ sock->ops = device->class->socket_ops;
+ /* the user-data is the at device socket descriptor */
+ sock->user_data = (void *) idx;
+ sock->device = (void *) device;
sock->magic = AT_SOCKET_MAGIC;
- sock->socket = idx;
sock->state = AT_SOCKET_NONE;
sock->rcvevent = RT_NULL;
sock->sendevent = RT_NULL;
sock->errevent = RT_NULL;
rt_slist_init(&sock->recvpkt_list);
+#ifdef SAL_USING_POSIX
+ rt_wqueue_init(&sock->wait_head);
+#endif
- rt_snprintf(name, RT_NAME_MAX, "%s%d", "at_sr", idx);
+ rt_snprintf(name, RT_NAME_MAX, "%s%d", "at_skt", idx);
/* create AT socket receive mailbox */
if ((sock->recv_notice = rt_sem_create(name, 0, RT_IPC_FLAG_FIFO)) == RT_NULL)
{
+ LOG_E("No memory socket receive notic semaphore create.");
goto __err;
}
- rt_snprintf(name, RT_NAME_MAX, "%s%d", "at_sr", idx);
+ rt_snprintf(name, RT_NAME_MAX, "%s%d", "at_skt", idx);
/* create AT socket receive ring buffer lock */
if((sock->recv_lock = rt_mutex_create(name, RT_IPC_FLAG_FIFO)) == RT_NULL)
{
+ LOG_E("No memory for socket receive mutex create.");
+ rt_sem_delete(sock->recv_notice);
goto __err;
}
@@ -322,13 +359,42 @@ __err:
return RT_NULL;
}
+static struct at_socket *alloc_socket(int domain)
+{
+ extern struct netdev *netdev_default;
+ struct netdev *netdev = RT_NULL;
+ struct at_device *device = RT_NULL;
+
+ if (netdev_default && netdev_is_up(netdev_default))
+ {
+ netdev = netdev_default;
+ }
+ else
+ {
+ /* get network interface device by protocol family */
+ netdev = netdev_get_by_family(domain);
+ if (netdev == RT_NULL)
+ {
+ return RT_NULL;
+ }
+ }
+
+ device = at_device_get_by_name(AT_DEVICE_NAMETYPE_NETDEV, netdev->name);
+ if (device == RT_NULL)
+ {
+ return RT_NULL;
+ }
+
+ return alloc_socket_by_device(device);
+}
+
int at_socket(int domain, int type, int protocol)
{
- struct at_socket *sock;
+ struct at_socket *sock = RT_NULL;
enum at_socket_type socket_type;
/* check socket family protocol */
- RT_ASSERT(domain == AF_AT||domain == AF_INET);
+ RT_ASSERT(domain == AF_AT || domain == AF_INET);
//TODO check protocol
@@ -348,17 +414,13 @@ int at_socket(int domain, int type, int protocol)
}
/* allocate and initialize a new AT socket */
- sock = alloc_socket();
- if(sock == RT_NULL)
+ sock = alloc_socket(domain);
+ if (sock == RT_NULL)
{
- LOG_E("Allocate a new AT socket failed!");
- return RT_NULL;
+ return -1;
}
sock->type = socket_type;
-
-#ifdef SAL_USING_POSIX
- rt_wqueue_init(&sock->wait_head);
-#endif
+ sock->state = AT_SOCKET_OPEN;
return sock->socket;
}
@@ -380,21 +442,41 @@ static int free_socket(struct at_socket *sock)
at_recvpkt_all_delete(&sock->recvpkt_list);
}
- memset(sock, 0x00, sizeof(struct at_socket));
+ /* delect socket from socket list */
+ {
+ rt_base_t level;
+ int list_num = 0;
+ rt_slist_t *node = RT_NULL;
+ struct at_socket *at_sock = RT_NULL;
+
+ level = rt_hw_interrupt_disable();
+
+ rt_slist_for_each(node, &_socket_list)
+ {
+ if (sock->socket == (list_num++))
+ {
+ at_sock = rt_slist_entry(node, struct at_socket, list);
+ if (at_sock)
+ {
+ rt_slist_remove(&_socket_list, &at_sock->list);
+ break;
+ }
+ }
+ }
+
+ rt_hw_interrupt_enable(level);
+ }
+
+ rt_memset(sock, 0x00, sizeof(struct at_socket));
return 0;
}
int at_closesocket(int socket)
{
- struct at_socket *sock;
+ struct at_socket *sock = RT_NULL;
enum at_socket_state last_state;
- if (at_dev_ops == RT_NULL)
- {
- return -1;
- }
-
/* deal with TCP server actively disconnect */
rt_thread_delay(rt_tick_from_millisecond(100));
@@ -409,9 +491,9 @@ int at_closesocket(int socket)
/* the rt_at_socket_close is need some time, so change state in advance */
sock->state = AT_SOCKET_CLOSED;
- if (last_state == AT_SOCKET_CONNECT)
+ if (last_state != AT_SOCKET_CLOSED)
{
- if (at_dev_ops->at_closesocket(socket) != 0)
+ if (sock->ops->at_closesocket(sock) != 0)
{
free_socket(sock);
return -1;
@@ -424,12 +506,8 @@ int at_closesocket(int socket)
int at_shutdown(int socket, int how)
{
- struct at_socket *sock;
-
- if (at_dev_ops == RT_NULL)
- {
- return -1;
- }
+ struct at_socket *sock = RT_NULL;
+ enum at_socket_state last_state;
sock = at_get_socket(socket);
if (sock == RT_NULL)
@@ -437,9 +515,14 @@ int at_shutdown(int socket, int how)
return -1;
}
- if (sock->state == AT_SOCKET_CONNECT)
+ last_state = sock->state;
+
+ /* the rt_at_socket_close is need some time, so change state in advance */
+ sock->state = AT_SOCKET_CLOSED;
+
+ if (last_state != AT_SOCKET_CLOSED)
{
- if (at_dev_ops->at_closesocket(socket) != 0)
+ if (sock->ops->at_closesocket(sock) != 0)
{
free_socket(sock);
return -1;
@@ -450,17 +533,6 @@ int at_shutdown(int socket, int how)
return 0;
}
-int at_bind(int socket, const struct sockaddr *name, socklen_t namelen)
-{
-
- if (at_get_socket(socket) == RT_NULL)
- {
- return -1;
- }
-
- return 0;
-}
-
/* get IP address and port by socketaddr structure information */
static int socketaddr_to_ipaddr_port(const struct sockaddr *sockaddr, ip_addr_t *addr, uint16_t *port)
{
@@ -479,6 +551,59 @@ static int socketaddr_to_ipaddr_port(const struct sockaddr *sockaddr, ip_addr_t
return 0;
}
+int at_bind(int socket, const struct sockaddr *name, socklen_t namelen)
+{
+ struct at_socket *sock = RT_NULL;
+ struct at_device *device = RT_NULL;
+ ip_addr_t input_ipaddr, local_ipaddr;
+ uint16_t port = 0;
+
+ sock = at_get_socket(socket);
+ if (sock == RT_NULL)
+ {
+ return -1;
+ }
+
+ /* get current device ip address */
+ device = (struct at_device *) sock->device;
+ ip_addr_copy(local_ipaddr, device->netdev->ip_addr);
+
+ /* prase ip address and port from sockaddr structure */
+ socketaddr_to_ipaddr_port(name, &input_ipaddr, &port);
+
+ /* input ip address is different from device ip address */
+ if (ip_addr_cmp(&input_ipaddr, &local_ipaddr) == 0)
+ {
+ struct at_socket *new_sock = RT_NULL;
+ struct at_device *new_device = RT_NULL;
+ enum at_socket_type type = sock->type;
+
+ /* close old socket */
+ if (at_closesocket(socket) < 0)
+ {
+ return -1;
+ }
+
+ extern struct at_device *at_device_get_by_ipaddr(ip_addr_t *ip_addr);
+ new_device = at_device_get_by_ipaddr(&input_ipaddr);
+ if (new_device == RT_NULL)
+ {
+ return -1;
+ }
+
+ /* allocate new socket */
+ new_sock = alloc_socket_by_device(new_device);
+ if (new_sock == RT_NULL)
+ {
+ return -1;
+ }
+ new_sock->type = type;
+ new_sock->state = AT_SOCKET_OPEN;
+ }
+
+ return 0;
+}
+
/* ipaddr structure change to IP address */
static int ipaddr_to_ipstr(const struct sockaddr *sockaddr, char *ipstr)
{
@@ -490,17 +615,16 @@ static int ipaddr_to_ipstr(const struct sockaddr *sockaddr, char *ipstr)
return 0;
}
-static void at_recv_notice_cb(int socket, at_socket_evt_t event, const char *buff, size_t bfsz)
+static void at_recv_notice_cb(struct at_socket *sock, at_socket_evt_t event, const char *buff, size_t bfsz)
{
- struct at_socket *sock;
-
RT_ASSERT(buff);
- RT_ASSERT(bfsz);
RT_ASSERT(event == AT_SOCKET_EVT_RECV);
-
- sock = at_get_socket(socket);
- if (sock == RT_NULL)
- return ;
+
+ /* check the socket object status */
+ if (sock->magic != AT_SOCKET_MAGIC)
+ {
+ return;
+ }
/* put receive buffer to receiver packet list */
rt_mutex_take(sock->recv_lock, RT_WAITING_FOREVER);
@@ -512,15 +636,16 @@ static void at_recv_notice_cb(int socket, at_socket_evt_t event, const char *buf
at_do_event_changes(sock, AT_EVENT_RECV, RT_TRUE);
}
-static void at_closed_notice_cb(int socket, at_socket_evt_t event, const char *buff, size_t bfsz)
+static void at_closed_notice_cb(struct at_socket *sock, at_socket_evt_t event, const char *buff, size_t bfsz)
{
- struct at_socket *sock;
-
RT_ASSERT(event == AT_SOCKET_EVT_CLOSED);
- if ((sock = at_get_socket(socket)) == RT_NULL)
- return ;
-
+ /* check the socket object status */
+ if (sock->magic != AT_SOCKET_MAGIC)
+ {
+ return;
+ }
+
at_do_event_changes(sock, AT_EVENT_RECV, RT_TRUE);
at_do_event_changes(sock, AT_EVENT_ERROR, RT_TRUE);
@@ -530,17 +655,12 @@ static void at_closed_notice_cb(int socket, at_socket_evt_t event, const char *b
int at_connect(int socket, const struct sockaddr *name, socklen_t namelen)
{
- struct at_socket *sock;
+ struct at_socket *sock = RT_NULL;
ip_addr_t remote_addr;
- uint16_t remote_port;
+ uint16_t remote_port = 0;
char ipstr[16] = { 0 };
int result = 0;
- if (at_dev_ops == RT_NULL)
- {
- return -1;
- }
-
sock = at_get_socket(socket);
if (sock == RT_NULL)
{
@@ -548,7 +668,7 @@ int at_connect(int socket, const struct sockaddr *name, socklen_t namelen)
goto __exit;
}
- if (sock->state != AT_SOCKET_NONE)
+ if (sock->state != AT_SOCKET_OPEN)
{
LOG_E("Socket(%d) connect state is %d.", sock->socket, sock->state);
result = -1;
@@ -559,7 +679,7 @@ int at_connect(int socket, const struct sockaddr *name, socklen_t namelen)
socketaddr_to_ipaddr_port(name, &remote_addr, &remote_port);
ipaddr_to_ipstr(name, ipstr);
- if (at_dev_ops->at_connect(socket, ipstr, remote_port, sock->type, RT_TRUE) < 0)
+ if (sock->ops->at_connect(sock, ipstr, remote_port, sock->type, RT_TRUE) < 0)
{
result = -1;
goto __exit;
@@ -568,8 +688,8 @@ int at_connect(int socket, const struct sockaddr *name, socklen_t namelen)
sock->state = AT_SOCKET_CONNECT;
/* set AT socket receive data callback function */
- at_dev_ops->at_set_event_cb(AT_SOCKET_EVT_RECV, at_recv_notice_cb);
- at_dev_ops->at_set_event_cb(AT_SOCKET_EVT_CLOSED, at_closed_notice_cb);
+ sock->ops->at_set_event_cb(AT_SOCKET_EVT_RECV, at_recv_notice_cb);
+ sock->ops->at_set_event_cb(AT_SOCKET_EVT_CLOSED, at_closed_notice_cb);
__exit:
@@ -591,9 +711,8 @@ __exit:
int at_recvfrom(int socket, void *mem, size_t len, int flags, struct sockaddr *from, socklen_t *fromlen)
{
- struct at_socket *sock;
- int timeout;
- int result = 0;
+ struct at_socket *sock = RT_NULL;
+ int timeout, result = 0;
size_t recv_len = 0;
if (mem == RT_NULL || len == 0)
@@ -602,11 +721,6 @@ int at_recvfrom(int socket, void *mem, size_t len, int flags, struct sockaddr *f
return -1;
}
- if (at_dev_ops == RT_NULL)
- {
- return -1;
- }
-
sock = at_get_socket(socket);
if (sock == RT_NULL)
{
@@ -615,24 +729,24 @@ int at_recvfrom(int socket, void *mem, size_t len, int flags, struct sockaddr *f
}
/* if the socket type is UDP, nead to connect socket first */
- if (from && sock->type == AT_SOCKET_UDP && sock->state == AT_SOCKET_NONE)
+ if (from && sock->type == AT_SOCKET_UDP && sock->state == AT_SOCKET_OPEN)
{
ip_addr_t remote_addr;
- uint16_t remote_port;
+ uint16_t remote_port = 0;
char ipstr[16] = { 0 };
socketaddr_to_ipaddr_port(from, &remote_addr, &remote_port);
ipaddr_to_ipstr(from, ipstr);
- if (at_dev_ops->at_connect(socket, ipstr, remote_port, sock->type, RT_TRUE) < 0)
+ if (sock->ops->at_connect(sock, ipstr, remote_port, sock->type, RT_TRUE) < 0)
{
result = -1;
goto __exit;
}
sock->state = AT_SOCKET_CONNECT;
/* set AT socket receive data callback function */
- at_dev_ops->at_set_event_cb(AT_SOCKET_EVT_RECV, at_recv_notice_cb);
- at_dev_ops->at_set_event_cb(AT_SOCKET_EVT_CLOSED, at_closed_notice_cb);
+ sock->ops->at_set_event_cb(AT_SOCKET_EVT_RECV, at_recv_notice_cb);
+ sock->ops->at_set_event_cb(AT_SOCKET_EVT_CLOSED, at_closed_notice_cb);
}
/* receive packet list last transmission of remaining data */
@@ -650,7 +764,7 @@ int at_recvfrom(int socket, void *mem, size_t len, int flags, struct sockaddr *f
result = 0;
goto __exit;
}
- else if (sock->state != AT_SOCKET_CONNECT)
+ else if (sock->state != AT_SOCKET_CONNECT && sock->state != AT_SOCKET_OPEN)
{
LOG_E("received data error, current socket (%d) state (%d) is error.", socket, sock->state);
result = -1;
@@ -664,7 +778,7 @@ int at_recvfrom(int socket, void *mem, size_t len, int flags, struct sockaddr *f
}
/* set AT socket receive timeout */
- if((timeout = sock->recv_timeout) == 0)
+ if ((timeout = sock->recv_timeout) == 0)
{
timeout = RT_WAITING_FOREVER;
}
@@ -739,15 +853,9 @@ int at_recv(int s, void *mem, size_t len, int flags)
int at_sendto(int socket, const void *data, size_t size, int flags, const struct sockaddr *to, socklen_t tolen)
{
- struct at_socket *sock;
+ struct at_socket *sock = RT_NULL;
int len, result = 0;
- if (at_dev_ops == RT_NULL)
- {
- result = -1;
- goto __exit;
- }
-
if (data == RT_NULL || size == 0)
{
LOG_E("AT sendto input data or size error!");
@@ -765,14 +873,19 @@ int at_sendto(int socket, const void *data, size_t size, int flags, const struct
switch (sock->type)
{
case AT_SOCKET_TCP:
- if (sock->state != AT_SOCKET_CONNECT)
+ if (sock->state == AT_SOCKET_CLOSED)
+ {
+ result = 0;
+ goto __exit;
+ }
+ else if (sock->state != AT_SOCKET_CONNECT && sock->state != AT_SOCKET_OPEN)
{
LOG_E("send data error, current socket (%d) state (%d) is error.", socket, sock->state);
result = -1;
goto __exit;
}
- if ((len = at_dev_ops->at_send(sock->socket, (const char *) data, size, sock->type)) < 0)
+ if ((len = sock->ops->at_send(sock, (const char *) data, size, sock->type)) < 0)
{
result = -1;
goto __exit;
@@ -780,27 +893,27 @@ int at_sendto(int socket, const void *data, size_t size, int flags, const struct
break;
case AT_SOCKET_UDP:
- if (to && sock->state == AT_SOCKET_NONE)
+ if (to && sock->state == AT_SOCKET_OPEN)
{
ip_addr_t remote_addr;
- uint16_t remote_port;
+ uint16_t remote_port = 0;
char ipstr[16] = { 0 };
socketaddr_to_ipaddr_port(to, &remote_addr, &remote_port);
ipaddr_to_ipstr(to, ipstr);
- if (at_dev_ops->at_connect(socket, ipstr, remote_port, sock->type, RT_TRUE) < 0)
+ if (sock->ops->at_connect(sock, ipstr, remote_port, sock->type, RT_TRUE) < 0)
{
result = -1;
goto __exit;
}
sock->state = AT_SOCKET_CONNECT;
/* set AT socket receive data callback function */
- at_dev_ops->at_set_event_cb(AT_SOCKET_EVT_RECV, at_recv_notice_cb);
- at_dev_ops->at_set_event_cb(AT_SOCKET_EVT_CLOSED, at_closed_notice_cb);
+ sock->ops->at_set_event_cb(AT_SOCKET_EVT_RECV, at_recv_notice_cb);
+ sock->ops->at_set_event_cb(AT_SOCKET_EVT_CLOSED, at_closed_notice_cb);
}
- if ((len = at_dev_ops->at_send(sock->socket, (char *) data, size, sock->type)) < 0)
+ if ((len = sock->ops->at_send(sock, (char *) data, size, sock->type)) < 0)
{
result = -1;
goto __exit;
@@ -973,6 +1086,7 @@ static uint32_t ipstr_to_u32(char *ipstr)
struct hostent *at_gethostbyname(const char *name)
{
+ struct at_device *device = RT_NULL;
ip_addr_t addr;
char ipstr[16] = { 0 };
/* buffer variables for at_gethostbyname() */
@@ -989,7 +1103,8 @@ struct hostent *at_gethostbyname(const char *name)
return RT_NULL;
}
- if (at_dev_ops == RT_NULL)
+ device = at_device_get_first_initialized();
+ if (device == RT_NULL)
{
return RT_NULL;
}
@@ -998,7 +1113,7 @@ struct hostent *at_gethostbyname(const char *name)
if (idx < strlen(name))
{
- if (at_dev_ops->at_domain_resolve(name, ipstr) < 0)
+ if (device->class->socket_ops->at_domain_resolve(name, ipstr) < 0)
{
return RT_NULL;
}
@@ -1042,6 +1157,7 @@ int at_getaddrinfo(const char *nodename, const char *servname,
size_t total_size = 0;
size_t namelen = 0;
int ai_family = 0;
+ struct at_device *device = RT_NULL;
if (res == RT_NULL)
{
@@ -1049,7 +1165,8 @@ int at_getaddrinfo(const char *nodename, const char *servname,
}
*res = RT_NULL;
- if (at_dev_ops == RT_NULL)
+ device = at_device_get_first_initialized();
+ if (device == RT_NULL)
{
return EAI_FAIL;
}
@@ -1103,7 +1220,7 @@ int at_getaddrinfo(const char *nodename, const char *servname,
if(idx < strlen(nodename))
{
- if (at_dev_ops->at_domain_resolve((char *) nodename, ip_str) != 0)
+ if (device->class->socket_ops->at_domain_resolve((char *) nodename, ip_str) != 0)
{
return EAI_FAIL;
}
@@ -1201,15 +1318,4 @@ void at_freeaddrinfo(struct addrinfo *ai)
}
}
-void at_socket_device_register(const struct at_device_ops *ops)
-{
- RT_ASSERT(ops);
- RT_ASSERT(ops->at_connect);
- RT_ASSERT(ops->at_closesocket);
- RT_ASSERT(ops->at_send);
- RT_ASSERT(ops->at_domain_resolve);
- RT_ASSERT(ops->at_set_event_cb);
- at_dev_ops = (struct at_device_ops *) ops;
-}
-
#endif /* AT_USING_SOCKET */
diff --git a/components/net/at/at_socket/at_socket.h b/components/net/at/at_socket/at_socket.h
index 526f8d618a..d98fa05f24 100644
--- a/components/net/at/at_socket/at_socket.h
+++ b/components/net/at/at_socket/at_socket.h
@@ -36,6 +36,7 @@ extern "C" {
enum at_socket_state
{
AT_SOCKET_NONE,
+ AT_SOCKET_OPEN,
AT_SOCKET_LISTEN,
AT_SOCKET_CONNECT,
AT_SOCKET_CLOSED
@@ -54,18 +55,19 @@ typedef enum
AT_SOCKET_EVT_CLOSED,
} at_socket_evt_t;
-typedef void (*at_evt_cb_t)(int socket, at_socket_evt_t event, const char *buff, size_t bfsz);
-
struct at_socket;
+
+typedef void (*at_evt_cb_t)(struct at_socket *socket, at_socket_evt_t event, const char *buff, size_t bfsz);
+
/* A callback prototype to inform about events for AT socket */
typedef void (* at_socket_callback)(struct at_socket *conn, int event, uint16_t len);
-/* AT device socket options function */
-struct at_device_ops
+/* AT socket operations function */
+struct at_socket_ops
{
- int (*at_connect)(int socket, char *ip, int32_t port, enum at_socket_type type, rt_bool_t is_client);
- int (*at_closesocket)(int socket);
- int (*at_send)(int socket, const char *buff, size_t bfsz, enum at_socket_type type);
+ int (*at_connect)(struct at_socket *socket, char *ip, int32_t port, enum at_socket_type type, rt_bool_t is_client);
+ int (*at_closesocket)(struct at_socket *socket);
+ int (*at_send)(struct at_socket *socket, const char *buff, size_t bfsz, enum at_socket_type type);
int (*at_domain_resolve)(const char *name, char ip[16]);
void (*at_set_event_cb)(at_socket_evt_t event, at_evt_cb_t cb);
};
@@ -86,10 +88,14 @@ struct at_socket
uint32_t magic;
int socket;
+ /* device releated information for the socket */
+ void *device;
/* type of the AT socket (TCP, UDP or RAW) */
enum at_socket_type type;
/* current state of the AT socket */
enum at_socket_state state;
+ /* sockets operations */
+ const struct at_socket_ops *ops;
/* receive semaphore, received data release semaphore */
rt_sem_t recv_notice;
rt_mutex_t recv_lock;
@@ -111,6 +117,10 @@ struct at_socket
#ifdef SAL_USING_POSIX
rt_wqueue_t wait_head;
#endif
+ rt_slist_t list;
+
+ /* user-specific data */
+ void *user_data;
};
int at_socket(int domain, int type, int protocol);
@@ -129,7 +139,6 @@ int at_getaddrinfo(const char *nodename, const char *servname, const struct addr
void at_freeaddrinfo(struct addrinfo *ai);
struct at_socket *at_get_socket(int socket);
-void at_socket_device_register(const struct at_device_ops *ops);
#ifndef RT_USING_SAL
diff --git a/components/net/at/include/at.h b/components/net/at/include/at.h
index 10e4c8833b..dc2abef353 100644
--- a/components/net/at/include/at.h
+++ b/components/net/at/include/at.h
@@ -18,7 +18,7 @@
extern "C" {
#endif
-#define AT_SW_VERSION "1.2.0"
+#define AT_SW_VERSION "1.3.0"
#define AT_CMD_NAME_LEN 16
#define AT_END_MARK_LEN 4
@@ -124,9 +124,11 @@ struct at_response
{
/* response buffer */
char *buf;
- /* the maximum response buffer size */
+ /* the maximum response buffer size, it set by `at_create_resp()` function */
rt_size_t buf_size;
- /* the number of setting response lines
+ /* the length of current response buffer */
+ rt_size_t buf_len;
+ /* the number of setting response lines, it set by `at_create_resp()` function
* == 0: the response data will auto return when received 'OK' or 'ERROR'
* != 0: the response data will return when received setting lines number data */
rt_size_t line_num;
@@ -138,15 +140,24 @@ struct at_response
typedef struct at_response *at_response_t;
+struct at_client;
+
/* URC(Unsolicited Result Code) object, such as: 'RING', 'READY' request by AT server */
struct at_urc
{
const char *cmd_prefix;
const char *cmd_suffix;
- void (*func)(const char *data, rt_size_t size);
+ void (*func)(struct at_client *client, const char *data, rt_size_t size);
};
typedef struct at_urc *at_urc_t;
+struct at_urc_table
+{
+ size_t urc_size;
+ const struct at_urc *urc;
+};
+typedef struct at_urc *at_urc_table_t;
+
struct at_client
{
rt_device_t device;
@@ -154,9 +165,12 @@ struct at_client
at_status_t status;
char end_sign;
- char *recv_buffer;
+ /* the current received one line data buffer */
+ char *recv_line_buf;
+ /* The length of the currently received one line data */
+ rt_size_t recv_line_len;
+ /* The maximum supported receive data length */
rt_size_t recv_bufsz;
- rt_size_t cur_recv_len;
rt_sem_t rx_notice;
rt_mutex_t lock;
@@ -164,7 +178,7 @@ struct at_client
rt_sem_t resp_notice;
at_resp_status_t resp_status;
- const struct at_urc *urc_table;
+ struct at_urc_table *urc_table;
rt_size_t urc_table_size;
rt_thread_t parser;
@@ -207,7 +221,7 @@ rt_size_t at_client_obj_recv(at_client_t client, char *buf, rt_size_t size, rt_i
void at_obj_set_end_sign(at_client_t client, char ch);
/* Set URC(Unsolicited Result Code) table */
-void at_obj_set_urc_table(at_client_t client, const struct at_urc * table, rt_size_t size);
+int at_obj_set_urc_table(at_client_t client, const struct at_urc * table, rt_size_t size);
/* AT client send commands to AT server and waiter response */
int at_obj_exec_cmd(at_client_t client, at_response_t resp, const char *cmd_expr, ...);
diff --git a/components/net/at/src/at_client.c b/components/net/at/src/at_client.c
index 41433834cc..ba4009738d 100644
--- a/components/net/at/src/at_client.c
+++ b/components/net/at/src/at_client.c
@@ -301,13 +301,18 @@ int at_obj_exec_cmd(at_client_t client, at_response_t resp, const char *cmd_expr
client->resp_status = AT_RESP_OK;
client->resp = resp;
+ if (resp != RT_NULL)
+ {
+ resp->buf_len = 0;
+ resp->line_counts = 0;
+ }
+
va_start(args, cmd_expr);
at_vprintfln(client->device, cmd_expr, args);
va_end(args);
if (resp != RT_NULL)
{
- resp->line_counts = 0;
if (rt_sem_take(client->resp_notice, resp->timeout) != RT_EOK)
{
cmd = at_get_last_cmd(&cmd_size);
@@ -348,17 +353,18 @@ int at_client_obj_wait_connect(at_client_t client, rt_uint32_t timeout)
rt_err_t result = RT_EOK;
at_response_t resp = RT_NULL;
rt_tick_t start_time = 0;
+ char *client_name = client->device->parent.name;
if (client == RT_NULL)
{
- LOG_E("input AT Client object is NULL, please create or get AT Client object!");
+ LOG_E("input AT client object is NULL, please create or get AT Client object!");
return -RT_ERROR;
}
- resp = at_create_resp(16, 0, rt_tick_from_millisecond(500));
+ resp = at_create_resp(64, 0, rt_tick_from_millisecond(300));
if (resp == RT_NULL)
{
- LOG_E("No memory for response object!");
+ LOG_E("no memory for AT client(%s) response object.", client_name);
return -RT_ENOMEM;
}
@@ -372,12 +378,13 @@ int at_client_obj_wait_connect(at_client_t client, rt_uint32_t timeout)
/* Check whether it is timeout */
if (rt_tick_get() - start_time > rt_tick_from_millisecond(timeout))
{
- LOG_E("wait connect timeout (%d millisecond)!", timeout);
+ LOG_E("wait AT client(%s) connect timeout(%d tick).", client_name, timeout);
result = -RT_ETIMEOUT;
break;
}
/* Check whether it is already connected */
+ resp->buf_len = 0;
resp->line_counts = 0;
rt_device_write(client->device, 0, "AT\r\n", 4);
@@ -417,7 +424,7 @@ rt_size_t at_client_obj_send(at_client_t client, const char *buf, rt_size_t size
}
#ifdef AT_PRINT_RAW_CMD
- at_print_raw_cmd("send", buf, size);
+ at_print_raw_cmd("sendline", buf, size);
#endif
return rt_device_write(client->device, 0, buf, size);
@@ -518,14 +525,14 @@ void at_obj_set_end_sign(at_client_t client, char ch)
* @param table URC table
* @param size table size
*/
-void at_obj_set_urc_table(at_client_t client, const struct at_urc *urc_table, rt_size_t table_sz)
+int at_obj_set_urc_table(at_client_t client, const struct at_urc *urc_table, rt_size_t table_sz)
{
rt_size_t idx;
if (client == RT_NULL)
{
LOG_E("input AT Client object is NULL, please create or get AT Client object!");
- return;
+ return -RT_ERROR;
}
for (idx = 0; idx < table_sz; idx++)
@@ -534,8 +541,47 @@ void at_obj_set_urc_table(at_client_t client, const struct at_urc *urc_table, rt
RT_ASSERT(urc_table[idx].cmd_suffix);
}
- client->urc_table = urc_table;
- client->urc_table_size = table_sz;
+ if (client->urc_table_size == 0)
+ {
+ client->urc_table = (struct at_urc_table *) rt_calloc(1, sizeof(struct at_urc_table));
+ if (client->urc_table == RT_NULL)
+ {
+ return -RT_ENOMEM;
+ }
+
+ client->urc_table[0].urc = urc_table;
+ client->urc_table[0].urc_size = table_sz;
+ client->urc_table_size++;
+ }
+ else
+ {
+ struct at_urc_table *old_urc_table = RT_NULL;
+ size_t old_table_size = client->urc_table_size * sizeof(struct at_urc_table);
+
+ old_urc_table = (struct at_urc_table *) rt_malloc(old_table_size);
+ if (old_urc_table == RT_NULL)
+ {
+ return -RT_ENOMEM;
+ }
+ rt_memcpy(old_urc_table, client->urc_table, old_table_size);
+
+ /* realloc urc table space */
+ client->urc_table = (struct at_urc_table *) rt_realloc(client->urc_table,
+ old_table_size + sizeof(struct at_urc_table));
+ if (client->urc_table == RT_NULL)
+ {
+ rt_free(old_urc_table);
+ return -RT_ENOMEM;
+ }
+ rt_memcpy(client->urc_table, old_urc_table, old_table_size);
+ client->urc_table[client->urc_table_size].urc = urc_table;
+ client->urc_table[client->urc_table_size].urc_size = table_sz;
+ client->urc_table_size++;
+
+ rt_free(old_urc_table);
+ }
+
+ return RT_EOK;
}
/**
@@ -579,30 +625,38 @@ at_client_t at_client_get_first(void)
static const struct at_urc *get_urc_obj(at_client_t client)
{
- rt_size_t i, prefix_len, suffix_len;
- rt_size_t buf_sz;
+ rt_size_t i, j, prefix_len, suffix_len;
+ rt_size_t bufsz;
char *buffer = RT_NULL;
+ const struct at_urc *urc = RT_NULL;
+ struct at_urc_table *urc_table = RT_NULL;
if (client->urc_table == RT_NULL)
{
return RT_NULL;
}
- buffer = client->recv_buffer;
- buf_sz = client->cur_recv_len;
+ buffer = client->recv_line_buf;
+ bufsz = client->recv_line_len;
for (i = 0; i < client->urc_table_size; i++)
{
- prefix_len = strlen(client->urc_table[i].cmd_prefix);
- suffix_len = strlen(client->urc_table[i].cmd_suffix);
- if (buf_sz < prefix_len + suffix_len)
+ for (j = 0; j < client->urc_table[i].urc_size; j++)
{
- continue;
- }
- if ((prefix_len ? !strncmp(buffer, client->urc_table[i].cmd_prefix, prefix_len) : 1)
- && (suffix_len ? !strncmp(buffer + buf_sz - suffix_len, client->urc_table[i].cmd_suffix, suffix_len) : 1))
- {
- return &client->urc_table[i];
+ urc_table = client->urc_table + i;
+ urc = urc_table->urc + j;
+
+ prefix_len = rt_strlen(urc->cmd_prefix);
+ suffix_len = rt_strlen(urc->cmd_suffix);
+ if (bufsz < prefix_len + suffix_len)
+ {
+ continue;
+ }
+ if ((prefix_len ? !rt_strncmp(buffer, urc->cmd_prefix, prefix_len) : 1)
+ && (suffix_len ? !rt_strncmp(buffer + bufsz - suffix_len, urc->cmd_suffix, suffix_len) : 1))
+ {
+ return urc;
+ }
}
}
@@ -615,8 +669,8 @@ static int at_recv_readline(at_client_t client)
char ch = 0, last_ch = 0;
rt_bool_t is_full = RT_FALSE;
- memset(client->recv_buffer, 0x00, client->recv_bufsz);
- client->cur_recv_len = 0;
+ rt_memset(client->recv_line_buf, 0x00, client->recv_bufsz);
+ client->recv_line_len = 0;
while (1)
{
@@ -624,8 +678,8 @@ static int at_recv_readline(at_client_t client)
if (read_len < client->recv_bufsz)
{
- client->recv_buffer[read_len++] = ch;
- client->cur_recv_len = read_len;
+ client->recv_line_buf[read_len++] = ch;
+ client->recv_line_len = read_len;
}
else
{
@@ -639,8 +693,8 @@ static int at_recv_readline(at_client_t client)
if (is_full)
{
LOG_E("read line failed. The line data length is out of buffer size(%d)!", client->recv_bufsz);
- memset(client->recv_buffer, 0x00, client->recv_bufsz);
- client->cur_recv_len = 0;
+ rt_memset(client->recv_line_buf, 0x00, client->recv_bufsz);
+ client->recv_line_len = 0;
return -RT_EFULL;
}
break;
@@ -649,7 +703,7 @@ static int at_recv_readline(at_client_t client)
}
#ifdef AT_PRINT_RAW_CMD
- at_print_raw_cmd("recvline", client->recv_buffer, read_len);
+ at_print_raw_cmd("recvline", client->recv_line_buf, read_len);
#endif
return read_len;
@@ -657,9 +711,7 @@ static int at_recv_readline(at_client_t client)
static void client_parser(at_client_t client)
{
- int resp_buf_len = 0;
const struct at_urc *urc;
- rt_size_t line_counts = 0;
while(1)
{
@@ -670,39 +722,42 @@ static void client_parser(at_client_t client)
/* current receive is request, try to execute related operations */
if (urc->func != RT_NULL)
{
- urc->func(client->recv_buffer, client->cur_recv_len);
+ urc->func(client, client->recv_line_buf, client->recv_line_len);
}
}
else if (client->resp != RT_NULL)
{
+ at_response_t resp = client->resp;
+
/* current receive is response */
- client->recv_buffer[client->cur_recv_len - 1] = '\0';
- if (resp_buf_len + client->cur_recv_len < client->resp->buf_size)
+ client->recv_line_buf[client->recv_line_len - 1] = '\0';
+ if (resp->buf_len + client->recv_line_len < resp->buf_size)
{
/* copy response lines, separated by '\0' */
- memcpy(client->resp->buf + resp_buf_len, client->recv_buffer, client->cur_recv_len);
- resp_buf_len += client->cur_recv_len;
+ rt_memcpy(resp->buf + resp->buf_len, client->recv_line_buf, client->recv_line_len);
- line_counts++;
+ /* update the current response information */
+ resp->buf_len += client->recv_line_len;
+ resp->line_counts++;
}
else
{
client->resp_status = AT_RESP_BUFF_FULL;
- LOG_E("Read response buffer failed. The Response buffer size is out of buffer size(%d)!", client->resp->buf_size);
+ LOG_E("Read response buffer failed. The Response buffer size is out of buffer size(%d)!", resp->buf_size);
}
/* check response result */
- if (memcmp(client->recv_buffer, AT_RESP_END_OK, strlen(AT_RESP_END_OK)) == 0
- && client->resp->line_num == 0)
+ if (rt_memcmp(client->recv_line_buf, AT_RESP_END_OK, rt_strlen(AT_RESP_END_OK)) == 0
+ && resp->line_num == 0)
{
/* get the end data by response result, return response state END_OK. */
client->resp_status = AT_RESP_OK;
}
- else if (strstr(client->recv_buffer, AT_RESP_END_ERROR)
- || (memcmp(client->recv_buffer, AT_RESP_END_FAIL, strlen(AT_RESP_END_FAIL)) == 0))
+ else if (rt_strstr(client->recv_line_buf, AT_RESP_END_ERROR)
+ || (rt_memcmp(client->recv_line_buf, AT_RESP_END_FAIL, rt_strlen(AT_RESP_END_FAIL)) == 0))
{
client->resp_status = AT_RESP_ERROR;
}
- else if (line_counts == client->resp->line_num && client->resp->line_num)
+ else if (resp->line_counts == resp->line_num && resp->line_num)
{
/* get the end data by response line, return response state END_OK.*/
client->resp_status = AT_RESP_OK;
@@ -711,15 +766,13 @@ static void client_parser(at_client_t client)
{
continue;
}
- client->resp->line_counts = line_counts;
client->resp = RT_NULL;
rt_sem_release(client->resp_notice);
- resp_buf_len = 0, line_counts = 0;
}
else
{
-// log_d("unrecognized line: %.*s", client->cur_recv_len, client->recv_buffer);
+// log_d("unrecognized line: %.*s", client->recv_line_len, client->recv_line_buf);
}
}
}
@@ -754,9 +807,9 @@ static int at_client_para_init(at_client_t client)
client->status = AT_STATUS_UNINITIALIZED;
- client->cur_recv_len = 0;
- client->recv_buffer = (char *) rt_calloc(1, client->recv_bufsz);
- if (client->recv_buffer == RT_NULL)
+ client->recv_line_len = 0;
+ client->recv_line_buf = (char *) rt_calloc(1, client->recv_bufsz);
+ if (client->recv_line_buf == RT_NULL)
{
LOG_E("AT client initialize failed! No memory for receive buffer.");
result = -RT_ENOMEM;
@@ -829,9 +882,9 @@ __exit:
rt_device_close(client->device);
}
- if (client->recv_buffer)
+ if (client->recv_line_buf)
{
- rt_free(client->recv_buffer);
+ rt_free(client->recv_line_buf);
}
rt_memset(client, 0x00, sizeof(struct at_client));
diff --git a/components/net/at/src/at_utils.c b/components/net/at/src/at_utils.c
index 73a25da04e..7d26425f56 100644
--- a/components/net/at/src/at_utils.c
+++ b/components/net/at/src/at_utils.c
@@ -70,7 +70,7 @@ rt_size_t at_vprintf(rt_device_t device, const char *format, va_list args)
last_cmd_len = vsnprintf(send_buf, sizeof(send_buf), format, args);
#ifdef AT_PRINT_RAW_CMD
- at_print_raw_cmd("send", send_buf, last_cmd_len);
+ at_print_raw_cmd("sendline", send_buf, last_cmd_len);
#endif
return rt_device_write(device, 0, send_buf, last_cmd_len);