C语言UDP封装库，测试下

其他 2020-07-26 10:31:45 阅读次数: 0

server：

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>

#include "trans_util.h"
#include "msrt_api.h"

#define SEND_BUF_SIZE (256 * 1024)

static unsigned int g_connect_id = 0;
static unsigned int g_old_connect_id = 0;
static FILE *g_input_fp = NULL;
static FILE *g_output_fp = NULL;

static void ct_server_status_nfy(
        msrt_fd instance,
        unsigned int connect_id,
        msrt_status_e status,
        void *user_data)
{
    printf("call.. ct_server_status_nfy\n");
    msrt_addr_t remote_addr;
    int rc;

    if (MSRT_STATUS_CONNECTED == status)
    {
        rc = msrt_get_remote_address(instance, connect_id, &remote_addr);
        if (0 != rc)
        {
            printf("Failed to get_remote_address_by_msrt[%d]!\n",
                   g_connect_id);
        }

        g_connect_id = connect_id;

        printf("server[%u, %s:%d] connected!\n",
               g_connect_id,
               remote_addr.ip,
               remote_addr.port);
    }
    else if (MSRT_STATUS_DISCONNECTED == status)
    {
        printf("server[%u] disconnected!\n",
               g_connect_id);
    }

    return;
}

static void ct_server_data_nfy(
        msrt_fd instance,
        unsigned int connect_id,
        char *data,
        int data_size,
        void *user_data)
{
    printf("call.. ct_server_data_nfy\n");
    printf("server[%u] recv %d data!\n",connect_id,data_size);

    printf("your input is :");
    for (int i = 0; i < 20; ++i) {
        printf("%c", data[i]);
    }
    printf("\n");


    //fwrite(data, sizeof(unsigned char), data_size, g_output_fp);
    //fflush(g_output_fp);

    return;
}

int main() {
    printf("my_server\n");

    char input_file_name[1024] = {0};
    char output_file_name[1024] = {0};
    msrt_ct_server_param_t param;
    msrt_fd instance = MSRT_INVALID_FD;
    int rc = MSRTC_OK;
    int read_size = 0;
    char *buf = NULL;

    buf = (char *)malloc(sizeof(char) * SEND_BUF_SIZE);
    if (NULL == buf)
    {
        printf("Failed to malloc buf!\n");
        return -1;
    }

    int param_size = sizeof(msrt_ct_server_param_t);
    memset(&param, 0, param_size);//初始化所有参数为0
    strcpy(param.local_ip, "127.0.0.1");
    param.local_listen_port = 5555;
    param.nb_local_connect_ports = 2;
    param.local_connect_ports[0] = 5556;
    param.local_connect_ports[1] = 5557;

    param.connect_config.status_nfy_func = ct_server_status_nfy;
    param.connect_config.status_user_data = NULL;
    param.connect_config.data_nfy_func = ct_server_data_nfy;
    param.connect_config.data_user_data = NULL;

    rc = msrt_create_ct_server_instance(&param, &instance);
    printf("rc: %d\n", rc);
    if (MSRTC_OK != rc)
    {
        printf("Failed to msrt_create_client_instance!\n");
        free(buf);
        return -1;
    }

    //打开文件,发送数据到客户端
    strcpy(input_file_name, "server_in.txt");
    g_input_fp = fopen(input_file_name, "rb");

    int start_time = (int)time_now() / 1000;
    printf("start_time: %d \n", start_time);
    int curr_time = 0;
    int loop_time = 180;//超时时间，单位s
    while (1){
        sleep(1);

        curr_time = (int)time_now() / 1000;
        if((curr_time - start_time) > loop_time){
            printf("server timeout exit!\n");
            break;
        }

        if(g_connect_id == 0){
            continue;
        }

        //printf("g_connect_id:%d \n", g_connect_id);

//        if (0 == feof(g_input_fp))
//        {
//            read_size = (int)fread(buf, sizeof(char), SEND_BUF_SIZE, g_input_fp);
//
//            if (read_size > 0)
//            {
//                msrt_send_data(instance, g_connect_id, buf, read_size);
//            }
//        }

        //服务器控制台接收数据
        //msrt_recv_data(instance, g_connect_id, buf, 20, &read_size, -1);


    }

    fclose(g_input_fp);

    //断开连接
    msrt_destroy_instance(instance);
    free(buf);

    return 0;
}

client:

#include <stdio.h>
#include <string.h>
#include <stdlib.h>

#include "trans_util.h"

#include "msrt_api.h"

#define SEND_BUF_SIZE (256 * 1024)
#define RECV_BUF_SIZE (256 * 1024)

static unsigned int g_connect_id = 0;
static unsigned int g_old_connect_id = 0;
static FILE *g_input_fp = NULL;
static FILE *g_output_fp = NULL;

static void ct_client_status_nfy(
        msrt_fd instance,
        unsigned int connect_id,
        msrt_status_e status,
        void *user_data)
{
    msrt_addr_t remote_addr;
    int rc;

    if (MSRT_STATUS_CONNECTED == status)
    {
        rc = msrt_get_remote_address(instance, connect_id, &remote_addr);
        if (0 != rc)
        {
            printf("Failed to get_remote_address_by_msrt[%d]!\n",
                   g_connect_id);
        }

        g_connect_id = connect_id;

        printf("client[%u, %s:%d] connected!\n",
               g_connect_id,
               remote_addr.ip,
               remote_addr.port);
    }
    else if (MSRT_STATUS_DISCONNECTED == status)
    {
        printf("client[%u] disconnected!\n",
               g_connect_id);
    }

    return;
}

static void ct_client_data_nfy(
        msrt_fd instance,
        unsigned int connect_id,
        char *data,
        int data_size,
        void *user_data)
{
    printf("client[%u] recv %d data async!\n",
           connect_id,
           data_size);

    fwrite(data, sizeof(unsigned char), data_size, g_output_fp);
    fflush(g_output_fp);

    return;
}


int main() {
    printf("my_client\n");

    char input_file_name[1024] = {0};
    char output_file_name[1024] = {0};
    msrt_ct_client_param_t param;
    msrt_fd instance = MSRT_INVALID_FD;
    int rc = MSRTC_OK;
    int read_size = 0;
    char *buf = NULL;

    buf = (char *)malloc(sizeof(char) * RECV_BUF_SIZE);
    if (NULL == buf)
    {
        printf("Failed to malloc buf!\n");
        return -1;
    }

    int param_size = sizeof(msrt_ct_client_param_t);
    memset(&param, 0, param_size);//初始化所有参数为0
    strcpy(param.remote_ip, "127.0.0.1");
    param.remote_port = 5555;

    param.connect_config.status_nfy_func = ct_client_status_nfy;
    param.connect_config.status_user_data = NULL;
    //param.connect_config.data_nfy_func = ct_client_data_nfy;
    //param.connect_config.data_user_data = NULL;

    rc = msrt_create_ct_client_instance(&param, &instance);
    printf("rc: %d\n", rc);
    if (MSRTC_OK != rc)
    {
        printf("Failed to msrt_create_client_instance!\n");
        free(buf);
        return -1;
    }


    //打开文件,接收服务器数据
    strcpy(output_file_name, "client_out.txt");
    g_output_fp = fopen(output_file_name, "wb+");

    int start_time = (int)time_now() / 1000;
    printf("start_time: %d \n", start_time);
    int curr_time = 0;
    int loop_time = 180;//超时时间，单位s
    while (1){
        sleep(1);

        curr_time = (int)time_now() / 1000;
        if((curr_time - start_time) > loop_time){
            printf("server timeout exit!\n");
            break;
        }

        if(g_connect_id == 0){
            continue;
        }

        //printf("g_connect_id:%d \n", g_connect_id);

//        msrt_recv_data(instance, g_connect_id, buf, RECV_BUF_SIZE, &read_size, -1);
//        printf("client[%u] recv %d data sync!\n", g_connect_id, read_size);
//
//        fwrite(buf, sizeof(unsigned char), read_size, g_output_fp);
//        fflush(g_output_fp);


        //控制台输入
        char chat[20];
        printf("place input:");
        scanf("%s", chat);
        buf = chat;
        msrt_send_data(instance, g_connect_id, buf, 20);

    }

    fclose(g_input_fp);

    //断开连接
    msrt_destroy_instance(instance);
    free(buf);

    return 0;
}

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