forked from xuos/xiuos
106 lines
2.8 KiB
C
106 lines
2.8 KiB
C
#include <rtthread.h>
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#ifdef PKG_USING_RW007
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#include <netdb.h>
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#include <string.h>
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#include <finsh.h>
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#include <sys/socket.h>
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static const char send_data[] = "This is TCP Client from AIIT";
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void rw007_test(int argc, char **argv)
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{
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int ret;
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char *recv_data;
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struct hostent *host;
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int sock, bytes_received;
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struct sockaddr_in server_addr;
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const char *url;
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int port;
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extern rt_bool_t rt_wlan_is_connected(void);
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if (rt_wlan_is_connected() != 1)
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{
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printf("Please connect a wifi firstly\n");
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return;
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}
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if (argc < 3)
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{
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printf("Usage: rw007 URL PORT\n");
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printf("Like: rw007 192.168.12.44 5000\n");
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return ;
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}
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url = argv[1];
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port = strtoul(argv[2], 0, 10);
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host = gethostbyname(url);
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recv_data = rt_malloc(1024);
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if (recv_data == RT_NULL)
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{
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printf("No memory\n");
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return;
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}
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if ((sock = socket(AF_INET, SOCK_STREAM, 0)) == -1)
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{
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printf("Socket error\n");
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rt_free(recv_data);
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return;
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}
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server_addr.sin_family = AF_INET;
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server_addr.sin_port = htons(port);
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server_addr.sin_addr = *((struct in_addr *)host->h_addr);
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rt_memset(&(server_addr.sin_zero), 0, sizeof(server_addr.sin_zero));
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if (connect(sock, (struct sockaddr *)&server_addr, sizeof(struct sockaddr)) == -1)
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{
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printf("Connect fail!\n");
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closesocket(sock);
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rt_free(recv_data);
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return;
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}
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else
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{
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printf("Connect successful\n");
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}
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while (1)
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{
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bytes_received = recv(sock, recv_data, 1024 - 1, 0);
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if (bytes_received < 0)
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{
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closesocket(sock);
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printf("\nreceived error,close the socket.\r\n");
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rt_free(recv_data);
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break;
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}
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else if (bytes_received == 0)
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{
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closesocket(sock);
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printf("\nreceived error,close the socket.\r\n");
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rt_free(recv_data);
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break;
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}
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recv_data[bytes_received] = '\0';
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if (strncmp(recv_data, "q", 1) == 0 || strncmp(recv_data, "Q", 1) == 0)
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{
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closesocket(sock);
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printf("\n got a 'q' or 'Q',close the socket.\r\n");
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rt_free(recv_data);
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break;
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}
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else
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{
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printf("\nReceived data = %s ", recv_data);
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}
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ret = send(sock, send_data, strlen(send_data), 0);
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if (ret < 0)
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{
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closesocket(sock);
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printf("\nsend error,close the socket.\r\n");
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rt_free(recv_data);
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break;
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}
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else if (ret == 0)
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{
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printf("\n Send warning,send function return 0.\r\n");
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}
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}
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return;
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}
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MSH_CMD_EXPORT(rw007_test, a tcp client sample);
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#endif
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