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add example

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This commit is contained in:
pvvx 2017-06-07 23:44:38 +03:00
parent 0cd01e4dc1
commit 5cd34b0c9f
75 changed files with 6023 additions and 217 deletions
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76
RTL00_SDKV35a/component/common/example/socket_select/example_socket_select.c
View file

@ -3,8 +3,12 @@
#include <platform/platform_stdlib.h>
#include <lwip/sockets.h>
#if LWIP_SOCKET
#define CONNECT_REMOTE 0
#if CONNECT_REMOTE
#define REMOTE_HOST "192.168.13.14"
#define REMOTE_PORT 5000
#endif
#define MAX_SOCKETS 10
#define SELECT_TIMEOUT 10
#define SERVER_PORT 5000
@ -12,31 +16,68 @@
static void example_socket_select_thread(void *param)
{
int max_socket_fd = -1;
#if CONNECT_REMOTE
struct sockaddr_in remote_addr;
int remote_fd = -1;
#endif
struct sockaddr_in server_addr;
int server_fd = -1;
int socket_used[10];
int socket_used[MAX_SOCKETS];
// Delay to wait for IP by DHCP
vTaskDelay(10000);
printf("\nExample: socket select\n");
memset(socket_used, 0, sizeof(socket_used));
if((server_fd = socket(AF_INET, SOCK_STREAM, 0)) >= 0) {
socket_used[server_fd] = 1;
#if CONNECT_REMOTE
reconnect:
if((remote_fd = socket(AF_INET, SOCK_STREAM, 0)) >= 0) {
remote_addr.sin_family = AF_INET;
remote_addr.sin_addr.s_addr = inet_addr(REMOTE_HOST);
remote_addr.sin_port = htons(REMOTE_PORT);
if(connect(remote_fd, (struct sockaddr *) &remote_addr, sizeof(remote_addr)) == 0) {
printf("connect socket fd(%d)\n", remote_fd);
socket_used[remote_fd] = 1;
if(remote_fd > max_socket_fd)
max_socket_fd = remote_fd;
}
else {
printf("connect error\n");
close(remote_fd);
goto reconnect;
}
}
else {
printf("socket error\n");
goto exit;
}
#endif
if((server_fd = socket(AF_INET, SOCK_STREAM, 0)) >= 0) {
server_addr.sin_family = AF_INET;
server_addr.sin_port = htons(SERVER_PORT);
server_addr.sin_addr.s_addr = INADDR_ANY;
server_addr.sin_family = AF_INET;
server_addr.sin_port = htons(SERVER_PORT);
server_addr.sin_addr.s_addr = INADDR_ANY;
if(bind(server_fd, (struct sockaddr *) &server_addr, sizeof(server_addr)) != 0) {
printf("bind error\n");
goto exit;
}
if(bind(server_fd, (struct sockaddr *) &server_addr, sizeof(server_addr)) != 0) {
printf("bind error\n");
goto exit;
if(listen(server_fd, LISTEN_QLEN) != 0) {
printf("listen error\n");
goto exit;
}
socket_used[server_fd] = 1;
if(server_fd > max_socket_fd)
max_socket_fd = server_fd;
}
if(listen(server_fd, LISTEN_QLEN) != 0) {
printf("listen error\n");
else {
printf("socket error\n");
goto exit;
}
@ -54,7 +95,7 @@ static void example_socket_select_thread(void *param)
if(socket_used[socket_fd])
FD_SET(socket_fd, &read_fds);
if(select(MAX_SOCKETS, &read_fds, NULL, NULL, &timeout)) {
if(select(max_socket_fd + 1, &read_fds, NULL, NULL, &timeout)) {
for(socket_fd = 0; socket_fd < MAX_SOCKETS; socket_fd ++) {
if(socket_used[socket_fd] && FD_ISSET(socket_fd, &read_fds)) {
if(socket_fd == server_fd) {
@ -65,6 +106,9 @@ static void example_socket_select_thread(void *param)
if(fd >= 0) {
printf("accept socket fd(%d)\n", fd);
socket_used[fd] = 1;
if(fd > max_socket_fd)
max_socket_fd = fd;
}
else {
printf("accept error\n");
@ -88,6 +132,8 @@ static void example_socket_select_thread(void *param)
else {
printf("TCP server: no data in %d seconds\n", SELECT_TIMEOUT);
}
vTaskDelay(10);
}
exit:
@ -102,5 +148,3 @@ void example_socket_select(void)
if(xTaskCreate(example_socket_select_thread, ((const char*)"example_socket_select_thread"), 1024, NULL, tskIDLE_PRIORITY + 1, NULL) != pdPASS)
printf("\n\r%s xTaskCreate(init_thread) failed", __FUNCTION__);
}
#endif // LWIP_SOCKET

8
RTL00_SDKV35a/component/common/example/socket_select/readme.txt
View file

@ -1,13 +1,17 @@
LWIP SOCKET SELECT EXAMPLE
Description:
TCP server listens on port 5000 and handle socket by select().
Use socket select() to handle socket read from clients or remote server.
Configuration:
Modify SERVER_PORT definition for listen port of created TCP server.
Can enable CONNECT_REMOTE to include TCP connection to remote server in example. Modify REMOTE_HOST and REMOTE_PORT for remote server.
[platform_opts.h]
#define CONFIG_EXAMPLE_SOCKET_SELECT 1
Execution:
Can make automatical Wi-Fi connection when booting by using wlan fast connect example.
A socket select example thread will be started automatically when booting.
A local TCP server will be started to wait for connection. Can use a TCP client connecting to this server to send data.
If CONNECT_REMOTE is enabed in example. A remote TCP server is required and can send data to the created remote connection.