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worker.c
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worker.c
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#include "merry/merry.h"
#include "worker.h"
int worker_n = 0;
static char buf_4096[4096] = {0};
static void on_exit_handler()
{
LOGF(ALERT, "worker %d exited", worker_n);
}
static void close_client(epdata_t *epd)
{
se_delete(epd->se_ptr);
delete_timeout(epd->timeout_ptr);
close(epd->fd);
smp_free(epd);
}
static void timeout_handle(void *ptr)
{
epdata_t *epd = ptr;
close_client(epd);
}
static int client_be_read(se_ptr_t *ptr)
{
epdata_t *epd = ptr->data;
int n = 0;
while((n = recv(epd->fd, buf_4096, 4095, 0)) > 0) {
buf_4096[n] = '\0';
//printf("%s", buf_4096);
printf("%d\n", n);
}
if(n == 0 || (n < 0 && NOAGAIN)) {
close_client(epd);
}
return 1;
}
static int client_be_write(se_ptr_t *ptr)
{
printf("client_be_write\n");
epdata_t *epd = ptr->data;
int n = 0;
while((n = send(epd->fd, epd->out_buf + epd->out_buf_sended,
epd->out_buf_len - epd->out_buf_sended, MSG_DONTWAIT)) > 0) {
epd->out_buf_sended += n;
}
printf("send %d\n", n);
if(epd->out_buf_sended == epd->out_buf_len) {
se_be_read(epd->se_ptr, client_be_read);
} else if(n < 0 && NOAGAIN) {
close_client(epd);
}
return 1;
}
void be_connect(void *data, int fd)
{
printf("connected %s %d\n", (char *)data, fd);
epdata_t *epd = NULL;
epd = smp_malloc(sizeof(epdata_t));
if(!epd) {
close(fd);
return;
}
epd->fd = fd;
epd->stime = now;
epd->se_ptr = se_add(loop_fd, fd, epd);
epd->timeout_ptr = add_timeout(epd, 1000, timeout_handle);
epd->out_buf = smp_malloc(1024);
epd->out_buf_len = sprintf(epd->out_buf,
"GET / HTTP/1.1\r\nUser-Agent: curl/7.24.0\r\nHost: www.163.com\r\nAccept: */*\r\n\r\n");
epd->out_buf_sended = 0;
se_be_read(epd->se_ptr, client_be_write);
client_be_write(epd->se_ptr);
}
void be_dns_query(void *data, struct sockaddr_in addr)
{
printf("%s %s\n", (char *)data, inet_ntoa(addr.sin_addr));
char *aa = "www.163.com";
printf("connect %d\n", se_connect(loop_fd, aa, 80, 3000, be_connect, aa));
}
/* libeio test */
static int eio_test_step = 0;
void eio_test();
int res_cb(eio_req *req)
{
eio_test();
printf("res_cb(%d|%s) = %d\n", req->type, req->data ? req->data : "?", EIO_RESULT(req));
if(req->result < 0) {
abort();
}
return 0;
}
int readdir_cb(eio_req *req)
{
eio_test();
char *buf = (char *)EIO_BUF(req);
printf("readdir_cb = %d\n", EIO_RESULT(req));
if(EIO_RESULT(req) < 0) {
return 0;
}
while(EIO_RESULT(req)--) {
printf("readdir = <%s>\n", buf);
buf += strlen(buf) + 1;
}
return 0;
}
int stat_cb(eio_req *req)
{
eio_test();
struct stat *buf = EIO_STAT_BUF(req);
if(req->type == EIO_FSTAT) {
printf("fstat_cb = %d\n", EIO_RESULT(req));
} else {
printf("stat_cb(%s) = %d\n", EIO_PATH(req), EIO_RESULT(req));
}
if(!EIO_RESULT(req)) {
printf("stat size %d perm 0%o\n", buf->st_size, buf->st_mode & 0777);
}
return 0;
}
int read_cb(eio_req *req)
{
eio_test();
unsigned char *buf = (unsigned char *)EIO_BUF(req);
printf("read_cb = %d (%02x%02x%02x%02x %02x%02x%02x%02x)\n",
EIO_RESULT(req),
buf [0], buf [1], buf [2], buf [3],
buf [4], buf [5], buf [6], buf [7]);
return 0;
}
int last_fd;
int open_cb(eio_req *req)
{
eio_test();
printf("open_cb = %d\n", EIO_RESULT(req));
last_fd = EIO_RESULT(req);
return 0;
}
void eio_test()
{
/* avoid relative paths yourself(!) */
printf("step: %d\n", eio_test_step);
int s = eio_test_step++;
switch(s) {
case 0:
eio_mkdir("/tmp/eio-test-dir", 0777, 0, res_cb, "mkdir");
break;
case 1: {
eio_nop(0, res_cb, "nop");
};
break;
case 2:
eio_stat("/tmp/eio-test-dir", 0, stat_cb, "stat");
break;
case 3:
eio_lstat("/tmp/eio-test-dir", 0, stat_cb, "stat");
break;
case 4:
eio_open("/tmp/eio-test-dir/eio-test-file", O_RDWR | O_CREAT, 0777, 0, open_cb, "open");
break;
case 5:
eio_symlink("test", "/tmp/eio-test-dir/eio-symlink", 0, res_cb, "symlink");
break;
case 6:
eio_mknod("/tmp/eio-test-dir/eio-fifo", S_IFIFO, 0, 0, res_cb, "mknod");
break;
case 7:
eio_utime("/tmp/eio-test-dir", 12345.678, 23456.789, 0, res_cb, "utime");
break;
case 8:
eio_futime(last_fd, 92345.678, 93456.789, 0, res_cb, "futime");
break;
case 9:
eio_chown("/tmp/eio-test-dir", getuid(), getgid(), 0, res_cb, "chown");
break;
case 10:
eio_fchown(last_fd, getuid(), getgid(), 0, res_cb, "fchown");
break;
case 11:
eio_fchmod(last_fd, 0723, 0, res_cb, "fchmod");
break;
case 12:
eio_readdir("/tmp/eio-test-dir", 0, 0, readdir_cb, "readdir");
break;
case 13:
eio_readdir("/nonexistant", 0, 0, readdir_cb, "readdir");
break;
case 14:
eio_fstat(last_fd, 0, stat_cb, "stat");
break;
case 15: {
eio_write(last_fd, "test\nfail\n", 10, 4, 0, res_cb, "write");
};
break;
case 16:
eio_read(last_fd, 0, 8, 0, EIO_PRI_DEFAULT, read_cb, "read");
break;
case 17:
eio_readlink("/tmp/eio-test-dir/eio-symlink", 0, res_cb, "readlink");
break;
case 18:
eio_dup2(1, 2, EIO_PRI_DEFAULT, res_cb, "dup");
break; // dup stdout to stderr
case 19:
eio_chmod("/tmp/eio-test-dir", 0765, 0, res_cb, "chmod");
break;
case 20:
eio_ftruncate(last_fd, 9, 0, res_cb, "ftruncate");
break;
case 21:
eio_fdatasync(last_fd, 0, res_cb, "fdatasync");
break;
case 22:
eio_fsync(last_fd, 0, res_cb, "fsync");
break;
case 23:
eio_sync(0, res_cb, "sync");
break;
case 24:
eio_busy(0.5, 0, res_cb, "busy");
break;
case 25:
eio_sendfile(1, last_fd, 4, 5, 0, res_cb, "sendfile");
break; // write "test\n" to stdout
case 26:
eio_fstat(last_fd, 0, stat_cb, "stat");
break;
case 27:
eio_truncate("/tmp/eio-test-dir/eio-test-file", 6, 0, res_cb, "truncate");
break;
case 28:
eio_readahead(last_fd, 0, 64, 0, res_cb, "readahead");
break;
case 29:
eio_close(last_fd, 0, res_cb, "close");
break;
case 30:
eio_link("/tmp/eio-test-dir/eio-test-file", "/tmp/eio-test-dir/eio-test-file-2", 0, res_cb, "link");
break;
case 31:
eio_rename("/tmp/eio-test-dir/eio-test-file", "/tmp/eio-test-dir/eio-test-file-renamed", 0, res_cb, "rename");
break;
case 32:
eio_unlink("/tmp/eio-test-dir/eio-fifo", 0, res_cb, "unlink");
break;
case 33:
eio_unlink("/tmp/eio-test-dir/eio-symlink", 0, res_cb, "unlink");
break;
case 34:
eio_unlink("/tmp/eio-test-dir/eio-test-file-2", 0, res_cb, "unlink");
break;
case 35:
eio_unlink("/tmp/eio-test-dir/eio-test-file-renamed", 0, res_cb, "unlink");
break;
case 36:
eio_rmdir("/tmp/eio-test-dir", 0, res_cb, "rmdir");
break;
}
}
/* end */
int a = 0;
static int other_simple_jobs()
{
if(a++ < 1) {
char *aa = "www.163.com";
printf("dns query %d\n", se_dns_query(loop_fd, aa, 3000, be_dns_query, aa));
do {
eio_test();
} while(0);
}
return 1; // return 0 will be exit the worker
}
static int be_read(se_ptr_t *ptr)
{
epdata_t *epd = ptr->data;
int n = recv(epd->fd, &buf_4096, 4096, 0);
if(n > 0) {
update_timeout(epd->timeout_ptr, 1000);
if(network_raw_send(epd->fd, (const char *)&buf_4096, n)) {
if(buf_4096[n - 1] == '\n') {
buf_4096[n - 1] = '\0';
}
LOGF(INFO, "%s", buf_4096);
} else {
LOGF(ERR, "send error!\n");
se_delete(epd->se_ptr);
if(epd->fd > -1) {
close(epd->fd);
epd->fd = -1;
}
free(epd);
}
} else if(n == 0 || (n < 0 && NOAGAIN)) { // close connection
se_delete(epd->se_ptr);
if(epd->fd > -1) {
close(epd->fd);
epd->fd = -1;
}
free(epd);
} else {
LOGF(ERR, "read error!\n");
}
return 1;
}
static void be_accept(int client_fd, struct in_addr client_addr)
{
if(!set_nonblocking(client_fd, 1)) {
close(client_fd);
return;
}
epdata_t *epd = NULL;
epd = smp_malloc(sizeof(epdata_t));
if(!epd) {
close(client_fd);
return;
}
epd->fd = client_fd;
epd->client_addr = client_addr;
epd->stime = now;
epd->se_ptr = se_add(loop_fd, client_fd, epd);
epd->timeout_ptr = add_timeout(epd, 1000, timeout_handle);
se_be_read(epd->se_ptr, be_read);
}
void worker_main(int _worker_n)
{
worker_n = _worker_n;
attach_on_exit(on_exit_handler);
set_process_user(/*user*/ NULL, /*group*/ NULL);
/// 进入 loop 处理循环
loop_fd = se_create(4096);
se_accept(loop_fd, server_fd, be_accept);
se_loop(loop_fd, 10, other_simple_jobs); // loop
exit(0);
}