From 2bd870afdcfc8872e1a116af6fa7315dbe0c74e6 Mon Sep 17 00:00:00 2001
From: Cedric Roux <roux@eurecom.fr>
Date: Sat, 19 Mar 2016 22:40:20 +0100
Subject: [PATCH] - read may return partial content from a socket, deal with
that
---
tracer/main.c | 20 ++++++++++++++++++--
1 file changed, 18 insertions(+), 2 deletions(-)
diff --git a/tracer/main.c b/tracer/main.c
index 31f5d54171..1a30bbef95 100644
--- a/tracer/main.c
+++ b/tracer/main.c
@@ -44,7 +44,22 @@ static inline int GET(int s, void *out, int count)
#else /* T_USE_SHARED_MEMORY */
-#define GET read
+#define GET fullread
+
+int fullread(int fd, void *_buf, int count)
+{
+ char *buf = _buf;
+ int ret = 0;
+ int l;
+ while (count) {
+ l = read(fd, buf, count);
+ if (l <= 0) { printf("read socket problem\n"); abort(); }
+ count -= l;
+ buf += l;
+ ret += l;
+ }
+ return ret;
+}
#endif /* T_USE_SHARED_MEMORY */
@@ -236,7 +251,8 @@ void get_message(int s)
buf[11],buf[12],buf[13],buf[14],buf[15]);
#endif
if (size != 4 * 7680)
- {printf("bad T_ENB_INPUT_SIGNAL, only 7680 samples allowed\n");abort();}
+ {printf("bad T_ENB_INPUT_SIGNAL, only 7680 samples allowed "
+ "(received %d bytes = %d samples)\n", size, size/4);abort();}
if (ul_plot) iq_plot_set(ul_plot, (short*)buf, 7680, subframe*7680, 0);
break;
}
--
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