FreeCalypso > hg > freecalypso-tools

annotate loadtools/tpinterfb.c @ 922:3152e23399a2

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
document SE K2x0 FFS quirks and our support for them
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 02 Jan 2023 00:50:19 +0000
parents 8d7dcfd9df53
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
649
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * This module contains functions for binary (as opposed to our usual ASCII)
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 * interfacing to loadagent.
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 */
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 #include <sys/types.h>
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 #include <sys/time.h>
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 #include <sys/errno.h>
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 #include <stdio.h>
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 #include <string.h>
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 #include <strings.h>
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 #include <stdlib.h>
695
8d7dcfd9df53 loadtools: missing #include <unistd.h> in tpinterf modules
Mychaela Falconia <falcon@freecalypso.org>
parents: 649
diff changeset
13 #include <unistd.h>
649
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 extern int errno;
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 extern int target_fd;
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 collect_binblock_from_target(buf, expect_len, timeout)
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 u_char *buf;
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 unsigned expect_len;
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 {
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 fd_set fds;
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 struct timeval tv;
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 unsigned rcvd;
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 int cc;
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 for (rcvd = 0; rcvd < expect_len; ) {
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 FD_ZERO(&fds);
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 FD_SET(target_fd, &fds);
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 tv.tv_sec = timeout;
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 tv.tv_usec = 0;
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 cc = select(target_fd+1, &fds, NULL, NULL, &tv);
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 if (cc < 0) {
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 if (errno == EINTR)
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 continue;
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 perror("select");
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 return(-1);
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 }
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 if (cc < 1) {
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 fprintf(stderr,
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 "error: timeout waiting for binary block\n");
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 return(-1);
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 }
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 cc = read(target_fd, buf + rcvd, expect_len - rcvd);
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 if (cc <= 0) {
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 perror("read after successful select");
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 return(-1);
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 }
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 rcvd += cc;
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 }
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 return(0);
141372e0d28f fc-loadtool module refactoring: tpinterfb.c split out
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 }