Diff: SNICInterface/Socket/TCPSocketServer.cpp

Revision:

0:35a2186cf186

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SNICInterface/Socket/TCPSocketServer.cpp	Wed Jul 12 10:49:10 2017 +0000
@@ -0,0 +1,201 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+/* Copyright (C) 2014 Murata Manufacturing Co.,Ltd., MIT License
+ *  port to the muRata, SWITCH SCIENCE Wi-FI module TypeYD SNIC-UART.
+ */
+#include "SNICInterface/Socket/TCPSocketServer.h"
+#include "SNICInterface/SNIC/SNIC_Core.h"
+
+#include <cstring>
+
+TCPSocketServer::TCPSocketServer()
+{
+}
+
+TCPSocketServer::~TCPSocketServer()
+{
+}
+
+int TCPSocketServer::bind(unsigned short port) 
+{
+    int ret;
+    C_SNIC_Core               *snic_core_p  = C_SNIC_Core::getInstance();
+    C_SNIC_UartCommandManager *uartCmdMgr_p = snic_core_p->getUartCommand();
+    
+    snic_core_p->lockAPI();
+    // Get local ip address.
+    // Get buffer for response payload from MemoryPool
+    tagMEMPOOL_BLOCK_T *payload_buf_p = snic_core_p->allocCmdBuf();
+    if( payload_buf_p == NULL )
+    {
+        DEBUG_PRINT("bind payload_buf_p NULL\r\n");
+        snic_core_p->unlockAPI();
+        return -1;
+    }
+
+    C_SNIC_Core::tagSNIC_GET_DHCP_INFO_REQ_T req;
+    // Make request
+    req.cmd_sid      = UART_CMD_SID_SNIC_GET_DHCP_INFO_REQ;
+    req.seq          = mUartRequestSeq++;
+    req.interface    = 0;
+    
+    unsigned char *command_array_p = snic_core_p->getCommandBuf();
+    unsigned int  command_len;
+    // Preparation of command
+    command_len = snic_core_p->preparationSendCommand( UART_CMD_ID_SNIC, req.cmd_sid, (unsigned char *)&req
+                            , sizeof(C_SNIC_Core::tagSNIC_GET_DHCP_INFO_REQ_T), payload_buf_p->buf, command_array_p );
+    // Send uart command request
+    snic_core_p->sendUart( command_len, command_array_p );
+    // Wait UART response
+    ret = uartCmdMgr_p->wait();
+    if( ret != 0 )
+    {
+        DEBUG_PRINT( "bind failed\r\n" );
+        snic_core_p->freeCmdBuf( payload_buf_p );
+        snic_core_p->unlockAPI();
+        return -1;
+    }
+    
+    if( uartCmdMgr_p->getCommandStatus() != UART_CMD_RES_SNIC_SUCCESS )
+    {
+        DEBUG_PRINT("bind status:%02x\r\n", uartCmdMgr_p->getCommandStatus());
+        snic_core_p->freeCmdBuf( payload_buf_p );
+        snic_core_p->unlockAPI();
+        return -1;
+    }
+    
+    snic_core_p->freeCmdBuf( payload_buf_p );
+    snic_core_p->unlockAPI();
+    
+    unsigned int local_addr = (payload_buf_p->buf[9]  << 24)
+                            | (payload_buf_p->buf[10] << 16)
+                            | (payload_buf_p->buf[11] << 8)
+                            | (payload_buf_p->buf[12]);
+   
+    // Socket create
+    ret = createSocket( 1, local_addr, port );
+    if( ret != 0 )
+    {
+        DEBUG_PRINT("bind error : %d\r\n", ret);
+        return -1;
+    }
+
+    return 0;
+}
+
+int TCPSocketServer::listen(int max)
+{
+    C_SNIC_Core               *snic_core_p  = C_SNIC_Core::getInstance();
+    C_SNIC_UartCommandManager *uartCmdMgr_p = snic_core_p->getUartCommand();
+    
+    snic_core_p->lockAPI();
+    // Get buffer for response payload from MemoryPool
+    tagMEMPOOL_BLOCK_T *payload_buf_p = snic_core_p->allocCmdBuf();
+    if( payload_buf_p == NULL )
+    {
+        DEBUG_PRINT("listen payload_buf_p NULL\r\n");
+        snic_core_p->unlockAPI();
+        return -1;
+    }
+
+    C_SNIC_Core::tagSNIC_TCP_CREATE_CONNECTION_REQ_T req;
+    // Make request
+    req.cmd_sid         = UART_CMD_SID_SNIC_TCP_CREATE_CONNECTION_REQ;
+    req.seq             = mUartRequestSeq++;
+    req.socket_id       = mSocketID;
+    req.recv_bufsize[0] = ( (SNIC_UART_RECVBUF_SIZE & 0xFF00) >> 8 );
+    req.recv_bufsize[1] = (SNIC_UART_RECVBUF_SIZE & 0xFF);
+    req.max_client      = max;
+    
+    unsigned char *command_array_p = snic_core_p->getCommandBuf();
+    unsigned int  command_len;
+    // Preparation of command
+    command_len = snic_core_p->preparationSendCommand( UART_CMD_ID_SNIC, req.cmd_sid, (unsigned char *)&req
+                        , sizeof(C_SNIC_Core::tagSNIC_TCP_CREATE_CONNECTION_REQ_T), payload_buf_p->buf, command_array_p );
+
+    int ret;
+    
+    // Send uart command request
+    snic_core_p->sendUart( command_len, command_array_p );
+    
+    // Wait UART response
+    ret = uartCmdMgr_p->wait();
+    if( ret != 0 )
+    {
+        DEBUG_PRINT( "listen failed\r\n" );
+        snic_core_p->freeCmdBuf( payload_buf_p );
+        snic_core_p->unlockAPI();
+        return -1;
+    }
+    
+    if( uartCmdMgr_p->getCommandStatus() != 0 )
+    {
+        DEBUG_PRINT("listen status:%02x\r\n", uartCmdMgr_p->getCommandStatus());
+        snic_core_p->freeCmdBuf( payload_buf_p );
+        snic_core_p->unlockAPI();
+        return -1;
+    }
+
+    snic_core_p->freeCmdBuf( payload_buf_p );
+    snic_core_p->unlockAPI();
+    return 0;
+}
+
+int TCPSocketServer::accept(TCPSocketConnection& connection, SocketAddress *address)
+{
+    C_SNIC_Core *snic_core_p = C_SNIC_Core::getInstance();
+    int          i;
+    int          ret = -1;
+    bool         accepted = false;
+    
+    C_SNIC_Core::tagCONNECT_INFO_T *con_info_p;
+    
+    do
+    {    
+        for( i = 0; i < MAX_SOCKET_ID+1; i++ )
+        {
+        // Get connection information
+            con_info_p = snic_core_p->getConnectInfo( i );
+            if( (con_info_p->is_connected == true)
+                && (con_info_p->is_accept == true)
+                && (con_info_p->parent_socket == mSocketID) )
+            {
+                // Set socket id
+                connection.setAcceptSocket( i );
+                ret = 0;
+                accepted = true;
+                break;
+            }   
+        }
+    } while( accepted == false );
+    con_info_p->is_accept = false;
+    
+    char ip_bytes[4] = { 
+        (con_info_p->from_ip >> 24 ) & 0xff,
+        (con_info_p->from_ip >> 16 ) & 0xff,
+        (con_info_p->from_ip >> 8 )  & 0xff,
+        con_info_p->from_ip         & 0xff };
+
+    address->set_ip_bytes(ip_bytes, NSAPI_IPv4);
+    address->set_port(con_info_p->from_port);
+    
+    connection.set_address( address->get_ip_address(), (int)address->get_port() );
+    
+    return ret;
+}
+