#include <hv.h>
#include <hloop.h>
#include <hsocket.h>
#include <hssl.h>

#define TEST_UNPACK     0

#if TEST_UNPACK
static unpack_setting_t unpack_setting;
#endif

// hloop_create_tcp_server -> on_accept -> hio_read -> on_recv -> hio_write

static void on_close(hio_t* io) 
{
    hlogi("on_close fd=%d error=%d", hio_fd(io), hio_error(io));
}

//接收到数据
static void on_recv(hio_t* io, void* buf, int readbytes) 
{
    hlogi("on_recv fd=%d readbytes=%d", hio_fd(io), readbytes);
    char localaddrstr[SOCKADDR_STRLEN] = {0};
    char peeraddrstr[SOCKADDR_STRLEN] = {0};
    hlogi("[%s] <=> [%s]",
            SOCKADDR_STR(hio_localaddr(io), localaddrstr),
            SOCKADDR_STR(hio_peeraddr(io), peeraddrstr));
    hlogi("<=== %.*s", readbytes, (char*)buf);

    //// echo
    hlogi("===> %.*s", readbytes, (char*)buf);
    hio_write(io, buf, readbytes);

}

//接入回调
static void on_accept(hio_t* io) 
{
    hlogi("on_accept connfd=%d", hio_fd(io));
    
    char localaddrstr[SOCKADDR_STRLEN] = {0};
    char peeraddrstr[SOCKADDR_STRLEN] = {0};
    hlogi("accept connfd=%d [%s] <= [%s]", hio_fd(io),
            SOCKADDR_STR(hio_localaddr(io), localaddrstr),
            SOCKADDR_STR(hio_peeraddr(io), peeraddrstr));

    hio_setcb_close(io, on_close);
    hio_setcb_read(io, on_recv);

#if TEST_UNPACK
    hio_set_unpack(io, &unpack_setting);
#endif

    hio_read_start(io);
}

int main(int argc, char** argv) 
{
    if (argc < 2) 
    {
        printf("Usage: %s port|path\n", argv[0]);
        return -10;
    }
    
    const char* host = "0.0.0.0";
    int port = atoi(argv[1]);
    
#if ENABLE_UDS
    if (port == 0) 
    {
        host = argv[1];
        port = -1;
    }
#endif

	hlog_set_file("/var/log/datahubs.log");
	//# loglevel = [VERBOSE,DEBUG,INFO,WARN,ERROR,FATAL,SILENT]
	hlog_set_level_by_str("DEBUG");
	hlog_set_max_filesize_by_str("10M");
	hlog_set_remain_days(7);
	
	// first log here
	hlogi("=========--- Welcome to the Earth ---=========");
  hlogi("%s version: %s", argv[0], hv_compile_version());
  
  //hlog_fsync();
  
    
#if TEST_UNPACK
    memset(&unpack_setting, 0, sizeof(unpack_setting_t));
    unpack_setting.package_max_length = DEFAULT_PACKAGE_MAX_LENGTH;
    unpack_setting.mode = UNPACK_BY_DELIMITER;
    unpack_setting.delimiter[0] = '\r';
    unpack_setting.delimiter[1] = '\n';
    unpack_setting.delimiter_bytes = 2;
#endif

    hloop_t* loop = hloop_new(0);

    hio_t* listenio = hloop_create_tcp_server(loop, host, port, on_accept);

    if (listenio == NULL) 
    {
        return -20;
    }
    
    hlogi("listenfd=%d", hio_fd(listenio));
    hloop_run(loop);
    hloop_free(&loop);
    hlogi("=========--- I'll be back! ---=========");
    return 0;
}