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cli/communicator/cli_lwip_api.c

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+/****************************************************************************
+
+Copyright(c) 2019 by Aerospace C.Power (Chongqing) Microelectronics. ALL RIGHTS RESERVED.
+
+This Information is proprietary to Aerospace C.Power (Chongqing) Microelectronics and MAY NOT
+be copied by any method or incorporated into another program without
+the express written consent of Aerospace C.Power. This Information or any portion
+thereof remains the property of Aerospace C.Power. The Information contained herein
+is believed to be accurate and Aerospace C.Power assumes no responsibility or
+liability for its use in any way and conveys no license or title under
+any patent or copyright and makes no representation or warranty that this
+Information is free from patent or copyright infringement.
+
+****************************************************************************/
+
+#include "lwip/sockets.h"
+#include "iot_config.h"
+
+#if (IOT_CLI_INF_MODE == IOT_CLI_INF_MODE_LWIP_SOCKET)
+
+int cli_open_lwip_udp_socket(const char* bind_ip, uint32_t port)
+{
+    struct sockaddr_in bindaddr = {0};
+    bindaddr.sin_addr.s_addr = inet_addr(bind_ip);
+    bindaddr.sin_family = AF_INET;
+    bindaddr.sin_len = sizeof(bindaddr);
+    bindaddr.sin_port = PP_HTONS((uint16_t)port);
+
+    int socket = lwip_socket(AF_INET, SOCK_DGRAM, 0);
+    lwip_bind(socket, (const struct sockaddr*)&bindaddr, sizeof(bindaddr));
+    return socket;
+}
+
+int cli_lwip_sendto(int s, const void *data, size_t size,
+    const char* remote_ip, uint32_t port)
+{
+    struct sockaddr_in remoteaddr = { 0 };
+    remoteaddr.sin_addr.s_addr = inet_addr(remote_ip);
+    remoteaddr.sin_family = AF_INET;
+    remoteaddr.sin_len = sizeof(remoteaddr);
+    remoteaddr.sin_port = PP_HTONS((uint16_t)port);;
+
+    return lwip_sendto(s, data, size, 0,
+        (const struct sockaddr*)&remoteaddr, sizeof(remoteaddr));
+}
+
+int cli_lwip_recvfrom(int s, void *mem, size_t len, int flags,
+    void *from, uint32_t addrlen)
+{
+    return lwip_recvfrom(s, mem, len, flags, (struct sockaddr*)from,
+        (socklen_t*)&addrlen);
+}
+
+int cli_open_lwip_tcp_socket(uint32_t port)
+{
+    struct sockaddr_in bindaddr = { 0 };
+
+    bindaddr.sin_addr.s_addr = IPADDR_ANY;
+    bindaddr.sin_family = AF_INET;
+    bindaddr.sin_len = sizeof(bindaddr);
+    bindaddr.sin_port = PP_HTONS((uint16_t)port);
+
+    int skt = lwip_socket(AF_INET, SOCK_STREAM, 0);
+    if (skt < 0) {
+        return skt;
+    }
+    int ret = lwip_bind(skt, (const struct sockaddr*)&bindaddr,
+        sizeof(bindaddr));
+    if (ret < 0) {
+        return ret;
+    }
+    int opt = 1;
+    setsockopt(skt, SOL_SOCKET, SO_KEEPALIVE, &opt, sizeof(int));
+    setsockopt(skt, IPPROTO_TCP, TCP_NODELAY, &opt, sizeof(int));
+    ret = lwip_listen(skt, 1); // currently, only support 1 client
+    if (ret < 0) {
+        return ret;
+    }
+    return skt;
+}
+
+int cli_lwip_accept(int s)
+{
+    struct sockaddr_in remote;
+    socklen_t len = sizeof(remote);
+    int opt = 1;
+    int new_s = lwip_accept(s, (struct sockaddr*)&remote, &len);
+    setsockopt(new_s, IPPROTO_TCP, TCP_NODELAY, &opt, sizeof(int));
+
+    return new_s;
+}
+
+int cli_lwip_read(int s, void*men, size_t len)
+{
+    return lwip_read(s, men, len);
+}
+
+int cli_lwip_send(int s, void*buf, size_t len)
+{
+    return lwip_send(s, buf, len, 0);
+}
+
+#endif /*IOT_CLI_INF_MODE == IOT_CLI_INF_MODE_LWIP_SOCKET*/