131 lines
2.6 KiB
C
131 lines
2.6 KiB
C
// SPDX-License-Identifier: LGPL-3.0-only
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/* XXX : move to rz_util??? rename method names.. to long? */
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/* proc IO is not related to socket io.. */
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#include <rz_socket.h>
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#include <rz_util.h>
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#include <signal.h>
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#if __UNIX__
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#include <sys/wait.h>
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#endif
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#define BUFFER_SIZE 4096
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RZ_API struct rz_socket_proc_t *rz_socket_proc_open(char* const argv[]) {
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#if __UNIX__ && LIBC_HAVE_FORK
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RzSocketProc *sp = RZ_NEW (RzSocketProc);
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#ifdef O_CLOEXEC
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const int flags = O_CLOEXEC; //O_NONBLOCK|O_CLOEXEC;
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#else
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const int flags = 0; //O_NONBLOCK|O_CLOEXEC;
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#endif
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if (!sp) {
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return NULL;
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}
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if (pipe (sp->fd0) == -1) {
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perror ("pipe");
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goto error;
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}
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if (fcntl (sp->fd0[0], flags) < 0) {
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goto error;
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}
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if (fcntl (sp->fd0[1], flags) < 0) {
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goto error;
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}
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if (pipe (sp->fd1) == -1) {
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perror ("pipe");
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goto error;
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}
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if (fcntl (sp->fd1[0], flags) < 0) {
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goto error;
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}
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if (fcntl (sp->fd1[1], flags) < 0) {
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goto error;
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}
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sp->pid = rz_sys_fork ();
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switch (sp->pid) {
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case 0:
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close (0);
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dup2 (sp->fd0[0], 0);
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close (1);
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dup2 (sp->fd1[1], 1);
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execv (argv[0], argv);
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exit (1);
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break;
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case -1:
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perror ("fork");
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rz_socket_proc_close (sp);
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goto error;
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//rz_socket_block_time (sp, false, 0);
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}
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return sp;
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error:
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free (sp);
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return NULL;
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#else
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return NULL;
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#endif
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}
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RZ_API int rz_socket_proc_close(struct rz_socket_proc_t *sp) {
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#if __UNIX__
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/* this is wrong */
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kill (sp->pid, SIGKILL);
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waitpid (sp->pid, NULL, 0); //WNOHANG);
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close (sp->fd0[0]);
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close (sp->fd0[1]);
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//close(sp->fd1[0]);
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close (sp->fd1[1]);
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//sp->fd[0] = -1;
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//sp->fd[1] = -1;
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#endif
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return 0;
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}
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RZ_API int rz_socket_proc_read (RzSocketProc *sp, unsigned char *buf, int len) {
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RzSocket s;
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s.is_ssl = false;
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s.fd = sp->fd1[0];
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return rz_socket_read (&s, buf, len);
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}
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RZ_API int rz_socket_proc_gets (RzSocketProc *sp, char *buf, int size) {
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RzSocket s;
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s.is_ssl = false;
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s.fd = sp->fd1[0];
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return rz_socket_gets (&s, buf, size);
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}
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RZ_API int rz_socket_proc_write (RzSocketProc *sp, void *buf, int len) {
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RzSocket s;
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s.is_ssl = false;
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s.fd = sp->fd0[1];
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return rz_socket_write (&s, buf, len);
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}
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RZ_API void rz_socket_proc_printf (RzSocketProc *sp, const char *fmt, ...) {
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RzSocket s;
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char buf[BUFFER_SIZE];
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va_list ap;
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s.is_ssl = false;
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s.fd = sp->fd0[1];
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if (s.fd != RZ_INVALID_SOCKET) {
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va_start (ap, fmt);
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vsnprintf (buf, BUFFER_SIZE, fmt, ap);
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rz_socket_write (&s, buf, strlen(buf));
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va_end (ap);
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}
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}
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RZ_API int rz_socket_proc_ready (RzSocketProc *sp, int secs, int usecs) {
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RzSocket s;
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s.is_ssl = false;
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s.fd = sp->fd1[0];
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return rz_socket_ready (&s, secs, usecs);
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}
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