JZsdk_network.c
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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <termios.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include "BaseConfig.h"
#include "version_choose.h"
#include "JZsdkLib.h"
#include "./JZsdk_network.h"
#define LINUX_CMD_STR_MAX_SIZE (128)
#define LINUX_NETWORK_DEV "eth0"
#define UDP_SERVER_PORT (23003)
static int udp_socket = 0;
static struct sockaddr_in udp_server_addr;
static int NetworkMode = JZ_FLAGCODE_OFF; //网络模式
T_JZsdkReturnCode JZsdk_NetWork_Init()
{
T_JZsdkReturnCode ret;
char cmdStr[LINUX_CMD_STR_MAX_SIZE];
if (NET_WORK_IPADDR == NULL || NET_WORK_NETMASK == NULL)
{
JZSDK_LOG_ERROR("无网络参数配置");
return JZ_ERROR_SYSTEM_MODULE_CODE_FAILURE;
}
//1、打开网卡设备
memset(cmdStr, 0, sizeof(cmdStr));
snprintf(cmdStr, sizeof(cmdStr), "ifconfig %s up", LINUX_NETWORK_DEV);
ret = system(cmdStr);
if (ret != JZ_ERROR_SYSTEM_MODULE_CODE_SUCCESS) {
JZSDK_LOG_ERROR("Can't open the network."
"Probably the program not execute with root permission."
"Please use the root permission to execute the program.");
return JZ_ERROR_SYSTEM_MODULE_CODE_FAILURE;
}
//2、打开网络
memset(cmdStr, 0, sizeof(cmdStr));
snprintf(cmdStr, sizeof(cmdStr), "ifconfig %s %s netmask %s", LINUX_NETWORK_DEV, NET_WORK_IPADDR, NET_WORK_NETMASK);
ret = system(cmdStr);
if (ret != JZ_ERROR_SYSTEM_MODULE_CODE_SUCCESS) {
JZSDK_LOG_ERROR("Can't config the ip address of network."
"Probably the program not execute with root permission."
"Please use the root permission to execute the program.");
return JZ_ERROR_SYSTEM_MODULE_CODE_FAILURE;
}
//3、创建UDP socket 套接字
udp_socket = socket(AF_INET, SOCK_DGRAM, 0);
if (udp_socket == -1) {
JZSDK_LOG_ERROR("网口套接字注册失败");
return JZ_ERROR_SYSTEM_MODULE_CODE_FAILURE;
}
//4、配置udp服务器地址
memset(&udp_server_addr, 0, sizeof(udp_server_addr));
udp_server_addr.sin_family = AF_INET;
udp_server_addr.sin_port = htons(UDP_SERVER_PORT);
if(inet_aton(NET_WORK_TARGET_IPADDR, &udp_server_addr.sin_addr) == 0)
{
JZSDK_LOG_ERROR("udp服务器配置失败");
return JZ_ERROR_SYSTEM_MODULE_CODE_FAILURE;
}
NetworkMode = JZ_FLAGCODE_ON;
return JZ_ERROR_SYSTEM_MODULE_CODE_SUCCESS;
}
T_JZsdkReturnCode JZsdk_NetWork_DeInit()
{
NetworkMode = JZ_FLAGCODE_OFF;
return JZ_ERROR_SYSTEM_MODULE_CODE_SUCCESS;
}
T_JZsdkReturnCode JZsdk_NetWork_SentData(const unsigned char *data, const int data_len)
{
if (NetworkMode != JZ_FLAGCODE_ON)
{
return JZ_ERROR_SYSTEM_MODULE_CODE_FAILURE;
}
int bytes_sent = sendto(udp_socket, data, data_len, 0,
(struct sockaddr *) &udp_server_addr, sizeof(udp_server_addr));
if (bytes_sent == -1)
{
JZSDK_LOG_ERROR("网口发送失败");
return JZ_ERROR_SYSTEM_MODULE_CODE_FAILURE;
}
return JZ_ERROR_SYSTEM_MODULE_CODE_SUCCESS;
}