mirror of
https://gitee.com/acl-dev/acl.git
synced 2024-12-14 08:50:53 +08:00
9697f95b8f
This reverts commit 15d999759e
.
187 lines
4.3 KiB
C++
187 lines
4.3 KiB
C++
#include "lib_acl.h"
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#include <stdio.h>
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#include <stdlib.h>
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#ifdef WIN32
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#include <process.h>
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#define getpid _getpid
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#else
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#include <unistd.h>
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#endif
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static void child(int argc acl_unused, char *argv[] acl_unused)
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{
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const char *myname = "child";
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const char *env_list;
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ACL_VSTRING *vbuf = acl_vstring_alloc(256);
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char buf[1024];
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const char *ptr;
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int ret, i;
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acl_lib_init();
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env_list = acl_getenv_list();
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acl_vstring_sprintf(vbuf, "env_list(%s)", env_list);
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acl_vstring_strcat(vbuf, "), ");
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ptr = acl_getenv("name1");
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if (ptr == NULL)
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ptr = "null";
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acl_vstring_sprintf_append(vbuf, "name1=%s", ptr);
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ptr = acl_getenv("name2");
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if (ptr == NULL)
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ptr = "null";
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acl_vstring_sprintf_append(vbuf, ", name2=%s", ptr);
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ptr = acl_getenv("name3");
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if (ptr == NULL)
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ptr = "null";
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acl_vstring_sprintf_append(vbuf, ", name3=%s", ptr);
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printf("%s: %s\r\n", myname, acl_vstring_str(vbuf));
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fflush(stdout);
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i = 0;
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while (1) {
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ret = acl_vstream_gets_nonl(ACL_VSTREAM_IN, buf, sizeof(buf));
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if (ret == ACL_VSTREAM_EOF) {
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printf("%s(%d): gets from parent error(%s)\r\n",
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myname, getpid(), acl_last_serror());
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fflush(stdout);
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break;
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}
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ret = acl_vstream_fprintf(ACL_VSTREAM_OUT, "%s(%d): child ok\r\n",
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myname, getpid());
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if (ret == ACL_VSTREAM_EOF) {
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printf("%s(%d): fprintf to parent error(%s)\r\n",
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myname, getpid(), acl_last_serror());
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fflush(stdout);
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break;
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}
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if (i++ >= 5)
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break;
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}
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printf("%s(%d): child over\r\n", myname, getpid());
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fflush(stdout);
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acl_lib_end();
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}
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static void pipe_fd_status(ACL_FILE_HANDLE fd)
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{
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#ifdef ACL_MS_WINDOWS
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const char *myname = "pipe_fd_status";
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char buf[256];
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DWORD status, nInstances = 0, nMaxInstances = 0, nTimeout = 0;
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GetNamedPipeHandleState(fd, &status,
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&nInstances, NULL, NULL, buf, sizeof(buf));
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printf("%s: status: %d, %d, %d, nInstances: %d, nMaxInstances: %d, nTimeout: %d, buf: %s\r\n",
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myname, status, PIPE_WAIT, PIPE_NOWAIT, nInstances, nMaxInstances, nTimeout, buf);
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#else
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(void) fd;
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#endif
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}
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static void pipe_status(ACL_VSTREAM *stream)
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{
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pipe_fd_status(ACL_VSTREAM_FILE(stream));
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}
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static void parent(int argc acl_unused, char *argv[])
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{
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const char *myname = "parent";
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char *command;
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ACL_ARGV *env = acl_argv_split("name1&value1&name2&<26><><EFBFBD><EFBFBD>ֵ2&name3&<26><><EFBFBD><EFBFBD>ֵ4", "&");
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ACL_VSTREAM *stream;
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ACL_ARGV *args = acl_argv_alloc(1);
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char buf[1024];
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int ret, i;
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acl_lib_init();
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printf("%s: pid = %d\r\n", myname, getpid());
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command = argv[0];
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acl_argv_add(args, command, "-c", NULL);
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stream = acl_vstream_popen(O_RDWR,
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ACL_VSTREAM_POPEN_ARGV, args->argv,
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ACL_VSTREAM_POPEN_ENV, env->argv,
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ACL_VSTREAM_POPEN_END);
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if (stream == NULL) {
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acl_msg_error("%s(%d): popen %s error(%s)",
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myname, __LINE__, command, acl_last_serror());
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goto error_end;
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}
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pipe_status(stream);
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printf("%s: open pipe ok\r\n", myname);
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i = 0;
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while (1) {
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pipe_status(stream);
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ret =acl_vstream_fprintf(stream, ">>from server<<\r\n");
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if (ret == ACL_VSTREAM_EOF) {
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printf("%s: fprintf to child error(%s)\r\n",
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myname, acl_last_serror());
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break;
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} else
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printf("%s: fprintf to child ok\r\n", myname);
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printf("%s: begin wait client msg\n", myname);
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ret = acl_vstream_gets_nonl(stream, buf, sizeof(buf));
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if (ret == ACL_VSTREAM_EOF) {
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printf("%s: gets from child error(%s)\r\n",
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myname, acl_last_serror());
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break;
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}
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buf[ret] = 0;
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printf("%s: gets from child ok(%s), i=%d\r\n", myname, buf, i++);
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}
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acl_vstream_pclose(stream);
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error_end:
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acl_argv_free(env);
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acl_argv_free(args);
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acl_lib_end();
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}
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static void usage(const char *procname)
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{
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printf("(%d) usage: %s -h [help] -c [run as child] -p [run as parent]\r\n",
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getpid(), procname);
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#ifdef ACL_MS_WINDOWS
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printf("enter any key to exit...\r\n");
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getchar();
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#endif
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}
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int main(int argc, char *argv[])
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{
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char ch;
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while((ch = getopt(argc, argv, "hpc")) > 0) {
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switch (ch) {
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case 'h':
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usage(argv[0]);
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return (0);
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case 'c':
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child(argc, argv);
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break;
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case 'p':
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parent(argc, argv);
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break;
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default:
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usage(argv[0]);
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return (0);
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}
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}
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printf("pid(%d), exit now\n", getpid());
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return (0);
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}
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