acl/lib_fiber/samples/httpd2/main.c

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#include "lib_acl.h"
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "fiber/libfiber.h"
#define STACK_SIZE 160000
static int __rw_timeout = 0;
static int http_client(ACL_VSTREAM *cstream, const char* res, size_t len)
{
char buf[8192];
int ret;
cstream->rw_timeout = __rw_timeout;
while (1) {
ret = acl_vstream_gets(cstream, buf, sizeof(buf) - 1);
if (ret == ACL_VSTREAM_EOF) {
printf("gets error: %s\r\n", acl_last_serror());
return -1;
}
buf[ret] = 0;
if (strcmp(buf, "\r\n") == 0 || strcmp(buf, "\n") == 0)
break;
}
if (acl_vstream_writen(cstream, res, len) == ACL_VSTREAM_EOF) {
printf("write error\r\n");
return -1;
}
return 0;
}
static void echo_client(ACL_FIBER *fiber acl_unused, void *ctx)
{
ACL_VSTREAM *cstream = (ACL_VSTREAM *) ctx;
const char* res = "HTTP/1.1 200 OK\r\n"
"Date: Tue, 31 May 2016 14:20:28 GMT\r\n"
"Content-Length: 12\r\n"
"Connection: Keep-Alive\r\n"
"\r\n"
"hello world!";
size_t len = strlen(res);
while (1) {
if (http_client(cstream, res, len) < 0)
break;
}
acl_vstream_close(cstream);
}
static void fiber_accept(ACL_FIBER *fiber acl_unused, void *ctx)
{
ACL_VSTREAM *sstream = (ACL_VSTREAM *) ctx;
int fd;
for (;;) {
ACL_VSTREAM *cstream = acl_vstream_accept(sstream, NULL, 0);
if (cstream == NULL) {
printf("acl_vstream_accept error %s\r\n",
acl_last_serror());
break;
}
fd = ACL_VSTREAM_SOCK(cstream);
acl_fiber_create(echo_client, cstream, STACK_SIZE);
printf("accept one over: %d\r\n", fd);
}
acl_vstream_close(sstream);
}
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static void* thread_main(void *ctx)
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{
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ACL_VSTREAM *sstream = (ACL_VSTREAM *) ctx;
printf("%s: call fiber_creater\r\n", __FUNCTION__);
acl_fiber_create(fiber_accept, sstream, STACK_SIZE);
printf("call fiber_schedule\r\n");
acl_fiber_schedule();
return NULL;
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}
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static void usage(const char *procname)
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{
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printf("usage: %s -h [help]\r\n"
" -s listen_addr\r\n"
" -t max_threads\r\n"
" -r rw_timeout\r\n", procname);
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}
int main(int argc, char *argv[])
{
char addr[64];
ACL_VSTREAM *sstream;
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int ch, nthreads = 1, i;
ACL_ARRAY *a = acl_array_create(10);
ACL_ITER iter;
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snprintf(addr, sizeof(addr), "%s", "127.0.0.1:9001");
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while ((ch = getopt(argc, argv, "hs:r:t:")) > 0) {
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switch (ch) {
case 'h':
usage(argv[0]);
return 0;
case 's':
snprintf(addr, sizeof(addr), "%s", optarg);
break;
case 'r':
__rw_timeout = atoi(optarg);
break;
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case 't':
nthreads = atoi(optarg);
break;
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default:
break;
}
}
sstream = acl_vstream_listen(addr, 128);
if (sstream == NULL) {
printf("acl_vstream_listen error %s\r\n", acl_last_serror());
return 1;
}
printf("listen %s ok\r\n", addr);
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for (i = 0; i < nthreads; i++) {
acl_pthread_t* tid = acl_mymalloc(sizeof(acl_pthread_t));
if (acl_pthread_create(tid, NULL, thread_main, sstream) != 0) {
printf("create thread failed!\r\n");
return 1;
}
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acl_array_append(a, tid);
}
acl_foreach(iter, a) {
acl_pthread_t *tid = (acl_pthread_t *) iter.data;
if (acl_pthread_join(*tid, NULL) != 0) {
printf("pthread join failed!\r\n");
return 1;
}
acl_myfree(tid);
}
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acl_array_free(a, NULL);
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return 0;
}