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Rewrite command handling to be more generic. Not finished!

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This commit is contained in:
Nicholas Marriott
2007-10-03 21:31:07 +00:00
parent a5a17b40ee
commit df716ecc8f
18 changed files with 1049 additions and 1243 deletions
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93
client.c
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@@ -1,4 +1,4 @@
/* $Id: client.c,v 1.10 2007-10-03 10:18:32 nicm Exp $ */
/* $Id: client.c,v 1.11 2007-10-03 21:31:07 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -38,33 +38,19 @@ int client_process_local(struct client_ctx *, char **);
int
client_init(char *path, struct client_ctx *cctx, int start_server)
{
struct sockaddr_un sa;
struct stat sb;
size_t sz;
int mode;
u_int retries;
struct sockaddr_un sa;
struct stat sb;
struct msg_identify_data data;
struct winsize ws;
size_t sz;
int mode;
u_int retries;
if (path == NULL) {
xasprintf(&path,
"%s/%s-%lu", _PATH_TMP, __progname, (u_long) getuid());
}
if (start_server) {
if (!isatty(STDIN_FILENO)) {
log_warnx("stdin is not a tty");
return (-1);
}
if (!isatty(STDOUT_FILENO)) {
log_warnx("stdout is not a tty");
return (-1);
}
if (ioctl(STDIN_FILENO, TIOCGWINSZ, &cctx->ws) == -1) {
log_warn("ioctl(TIOCGWINSZ)");
return (-1);
}
}
retries = 0;
retry:
if (stat(path, &sb) != 0) {
@@ -121,50 +107,18 @@ retry:
cctx->srv_in = buffer_create(BUFSIZ);
cctx->srv_out = buffer_create(BUFSIZ);
return (0);
}
int
client_flush(struct client_ctx *cctx)
{
struct pollfd pfd;
struct hdr hdr;
for (;;) {
pfd.fd = cctx->srv_fd;
pfd.events = POLLIN;
if (BUFFER_USED(cctx->srv_out) > 0)
pfd.events |= POLLOUT;
if (poll(&pfd, 1, INFTIM) == -1) {
if (errno == EAGAIN || errno == EINTR)
continue;
fatal("poll failed");
if (isatty(STDIN_FILENO) && isatty(STDOUT_FILENO)) {
if (ioctl(STDIN_FILENO, TIOCGWINSZ, &ws) == -1) {
log_warn("ioctl(TIOCGWINSZ)");
return (-1);
}
if (buffer_poll(&pfd, cctx->srv_in, cctx->srv_out) != 0) {
log_warnx("lost server");
return (1);
}
if (BUFFER_USED(cctx->srv_in) < sizeof hdr)
continue;
memcpy(&hdr, BUFFER_OUT(cctx->srv_in), sizeof hdr);
if (BUFFER_USED(cctx->srv_in) < (sizeof hdr) + hdr.size)
continue;
buffer_remove(cctx->srv_in, sizeof hdr);
if (hdr.type == MSG_OKAY)
return (0);
if (hdr.type == MSG_ERROR) {
if (hdr.size > INT_MAX - 1)
fatalx("bad MSG_ERROR size");
log_warnx(
"%.*s", (int) hdr.size, BUFFER_OUT(cctx->srv_in));
return (1);
}
fatalx("unexpected message");
data.sx = ws.ws_col;
data.sy = ws.ws_row;
client_write_server(cctx, MSG_IDENTIFY, &data, sizeof data);
}
return (0);
}
int
@@ -244,14 +198,15 @@ local_dead:
void
client_handle_winch(struct client_ctx *cctx)
{
struct size_data data;
if (ioctl(STDIN_FILENO, TIOCGWINSZ, &cctx->ws) == -1)
struct msg_resize_data data;
struct winsize ws;
if (ioctl(STDIN_FILENO, TIOCGWINSZ, &ws) == -1)
fatal("ioctl failed");
data.sx = cctx->ws.ws_col;
data.sy = cctx->ws.ws_row;
client_write_server(cctx, MSG_SIZE, &data, sizeof data);
data.sx = ws.ws_col;
data.sy = ws.ws_row;
client_write_server(cctx, MSG_RESIZE, &data, sizeof data);
sigwinch = 0;
}