Files
OpenBK7231T_App/src/httpserver/http_tcp_server.c
2025-08-19 08:50:37 +02:00

266 lines
6.6 KiB
C

#include "../new_common.h"
#include "lwip/sockets.h"
#include "lwip/ip_addr.h"
#include "lwip/inet.h"
#include "../logging/logging.h"
#include "new_http.h"
#if !NEW_TCP_SERVER
#define HTTP_SERVER_PORT 80
#define REPLY_BUFFER_SIZE 2048
#define INCOMING_BUFFER_SIZE 1024
// it was 0x800 - 2048 - until 23 10 2022
// The larger stack size for handling HTTP request is needed, for example, for commands
// See: https://github.com/openshwprojects/OpenBK7231T_App/issues/314
#define HTTP_CLIENT_STACK_SIZE 8192
#if PLATFORM_XR809 || PLATFORM_XR872
#define DISABLE_SEPARATE_THREAD_FOR_EACH_TCP_CLIENT 1
#endif
static void tcp_server_thread(beken_thread_arg_t arg);
static void tcp_client_thread(beken_thread_arg_t arg);
xTaskHandle g_http_thread = NULL;
void HTTPServer_Stop()
{
OSStatus err = kNoErr;
err = rtos_delete_thread(&g_http_thread);
if (err != kNoErr)
{
ADDLOG_ERROR(LOG_FEATURE_HTTP, "stop \"TCP_server\" thread failed with %i!\r\n", err);
}
}
int sendfn(int fd, char* data, int len) {
if (fd) {
return send(fd, data, len, 0);
}
return -1;
}
static void tcp_client_thread(beken_thread_arg_t arg)
{
OSStatus err = kNoErr;
int fd = (int)arg;
//fd_set readfds, errfds, readfds2;
char* buf = NULL;
char* reply = NULL;
int replyBufferSize = REPLY_BUFFER_SIZE;
//int res;
//char reply[8192];
//my_fd = fd;
rtos_delay_milliseconds(20);
reply = (char*)os_malloc(replyBufferSize);
buf = (char*)os_malloc(INCOMING_BUFFER_SIZE);
if (buf == 0 || reply == 0)
{
ADDLOG_ERROR(LOG_FEATURE_HTTP, "TCP Client failed to malloc buffer");
goto exit;
}
http_request_t request;
memset(&request, 0, sizeof(request));
request.fd = fd;
request.received = buf;
request.receivedLenmax = INCOMING_BUFFER_SIZE - 2;
request.responseCode = HTTP_RESPONSE_OK;
#if PLATFORM_BL602
request.receivedLen = recv(fd, request.received, request.receivedLenmax, 0);
request.received[request.receivedLen] = 0;
#else
request.receivedLen = 0;
while (1) {
int remaining = request.receivedLenmax - request.receivedLen;
int received = recv(fd, request.received + request.receivedLen, remaining, 0);
if (received <= 0) {
break;
}
request.receivedLen += received;
if (received < remaining) {
break;
}
// grow by 1024
request.receivedLenmax += 1024;
request.received = (char*)realloc(request.received, request.receivedLenmax+2);
if (request.received == NULL) {
// no memory
return;
}
}
request.received[request.receivedLen] = 0;
#endif
request.reply = reply;
request.replylen = 0;
reply[0] = '\0';
request.replymaxlen = replyBufferSize - 1;
if (request.receivedLen <= 0)
{
ADDLOG_ERROR(LOG_FEATURE_HTTP, "TCP Client is disconnected, fd: %d", fd);
goto exit;
}
//addLog( "TCP received string %s\n",buf );
// returns length to be sent if any
//ADDLOG_ERROR(LOG_FEATURE_HTTP, "TCP will process packet of len %i\n", request.receivedLen );
int lenret = HTTP_ProcessPacket(&request);
if (lenret > 0) {
//ADDLOG_ERROR(LOG_FEATURE_HTTP, "TCP sending reply len %i\n", lenret);
send(fd, reply, lenret, 0);
}
//rtos_delay_milliseconds(10);
exit:
if (err != kNoErr)
ADDLOG_ERROR(LOG_FEATURE_HTTP, "TCP client thread exit with err: %d", err);
if (buf != NULL)
os_free(buf);
if (reply != NULL)
os_free(reply);
lwip_close(fd);
#if DISABLE_SEPARATE_THREAD_FOR_EACH_TCP_CLIENT
#else
rtos_delete_thread(NULL);
#endif
}
/* TCP server listener thread */
static void tcp_server_thread(beken_thread_arg_t arg)
{
(void)(arg);
OSStatus err = kNoErr;
struct sockaddr_in server_addr, client_addr;
socklen_t sockaddr_t_size = sizeof(client_addr);
char client_ip_str[16];
int tcp_listen_fd = -1, client_fd = -1;
fd_set readfds;
tcp_listen_fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
server_addr.sin_family = AF_INET;
server_addr.sin_addr.s_addr = INADDR_ANY;/* Accept conenction request on all network interface */
server_addr.sin_port = htons(HTTP_SERVER_PORT);/* Server listen on port: 20000 */
err = bind(tcp_listen_fd, (struct sockaddr*)&server_addr, sizeof(server_addr));
err = listen(tcp_listen_fd, 0);
while (1)
{
FD_ZERO(&readfds);
FD_SET(tcp_listen_fd, &readfds);
select(tcp_listen_fd + 1, &readfds, NULL, NULL, NULL);
if (FD_ISSET(tcp_listen_fd, &readfds))
{
client_fd = accept(tcp_listen_fd, (struct sockaddr*)&client_addr, &sockaddr_t_size);
if (client_fd >= 0)
{
#if PLATFORM_XR809
#if DISABLE_SEPARATE_THREAD_FOR_EACH_TCP_CLIENT
#else
OS_Thread_t clientThreadUnused;
#endif
#endif
strcpy(client_ip_str, inet_ntoa(client_addr.sin_addr));
#if DISABLE_SEPARATE_THREAD_FOR_EACH_TCP_CLIENT
//ADDLOG_ERROR(LOG_FEATURE_HTTP, "HTTP [single thread] Client %s:%d connected, fd: %d", client_ip_str, client_addr.sin_port, client_fd);
// Use main server thread (blocking all other clients)
// right now, I am getting OS_ThreadCreate everytime on XR809 platform
tcp_client_thread((beken_thread_arg_t)client_fd);
#else
//ADDLOG_ERROR(LOG_FEATURE_HTTP, "HTTP [multi thread] Client %s:%d connected, fd: %d", client_ip_str, client_addr.sin_port, client_fd);
// delay each accept by 20ms
// this allows previous to finish if
// in a loop of sends from the browser, e.g. OTA
// and we MUST get some IDLE thread time, else
// thread resources are not deleted.
rtos_delay_milliseconds(20);
// Create separate thread for client
if (kNoErr !=
#if PLATFORM_XR809
OS_ThreadCreate(&clientThreadUnused,
"HTTP Client",
tcp_client_thread,
client_fd,
OS_THREAD_PRIO_CONSOLE,
0x400)
#else
rtos_create_thread(NULL, BEKEN_APPLICATION_PRIORITY,
"HTTP Client",
(beken_thread_function_t)tcp_client_thread,
HTTP_CLIENT_STACK_SIZE,
(beken_thread_arg_t)client_fd)
#endif
)
{
ADDLOG_DEBUG(LOG_FEATURE_HTTP, "TCP Client %s:%d thread creation failed! fd: %d", client_ip_str, client_addr.sin_port, client_fd);
lwip_close(client_fd);
client_fd = -1;
}
#endif
}
}
}
if (err != kNoErr)
ADDLOG_ERROR(LOG_FEATURE_HTTP, "Server listener thread exit with err: %d", err);
lwip_close(tcp_listen_fd);
rtos_delete_thread(NULL);
}
void HTTPServer_Start()
{
OSStatus err = kNoErr;
uint32_t stackSize = 0x800;
while (stackSize >= 0x100)
{
err = rtos_create_thread(&g_http_thread, BEKEN_APPLICATION_PRIORITY,
"HTTP_server",
(beken_thread_function_t)tcp_server_thread,
stackSize,
(beken_thread_arg_t)0);
if (err == kNoErr)
{
ADDLOG_ERROR(LOG_FEATURE_HTTP, "Created HTTP SV thread with (stack=%u)\r\n", stackSize);
break;
}
ADDLOG_ERROR(LOG_FEATURE_HTTP, "create \"TCP_server\" thread failed with %i (stack=%u)\r\n", err, stackSize);
stackSize >>= 1;
}
}
#endif