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authorYang Tse <yangsita@gmail.com>2012-01-17 21:32:05 +0100
committerYang Tse <yangsita@gmail.com>2012-01-17 21:32:05 +0100
commita752850acc4fda72a36fdc53d5d5b7c6da5693c0 (patch)
treee43f98db238cb258b1c3c6134243c67e4cedc9b0 /tests/libtest/testtrace.c
parent2b9fafd6226448458995fc6c60c3de3552722c2a (diff)
tests: testtrace.[ch] provides debug callback for libtest usage
Allows tests from the libtest subdir to generate log traces similar to those of curl with --tracetime and --trace-ascii options but with output going to stderr.
Diffstat (limited to 'tests/libtest/testtrace.c')
-rw-r--r--tests/libtest/testtrace.c141
1 files changed, 141 insertions, 0 deletions
diff --git a/tests/libtest/testtrace.c b/tests/libtest/testtrace.c
new file mode 100644
index 000000000..9c082394e
--- /dev/null
+++ b/tests/libtest/testtrace.c
@@ -0,0 +1,141 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at http://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "test.h"
+
+#include "testutil.h"
+#include "testtrace.h"
+#include "memdebug.h"
+
+struct libtest_trace_cfg libtest_debug_config;
+
+static time_t epoch_offset; /* for test time tracing */
+static int known_offset; /* for test time tracing */
+
+static
+void libtest_debug_dump(const char *timebuf, const char *text, FILE *stream,
+ const unsigned char *ptr, size_t size, int nohex)
+{
+ size_t i;
+ size_t c;
+
+ unsigned int width = 0x10;
+
+ if(nohex)
+ /* without the hex output, we can fit more on screen */
+ width = 0x40;
+
+ fprintf(stream, "%s%s, %d bytes (0x%x)\n", timebuf, text,
+ (int)size, (int)size);
+
+ for(i = 0; i < size; i += width) {
+
+ fprintf(stream, "%04x: ", (int)i);
+
+ if(!nohex) {
+ /* hex not disabled, show it */
+ for(c = 0; c < width; c++)
+ if(i+c < size)
+ fprintf(stream, "%02x ", ptr[i+c]);
+ else
+ fputs(" ", stream);
+ }
+
+ for(c = 0; (c < width) && (i+c < size); c++) {
+ /* check for 0D0A; if found, skip past and start a new line of output */
+ if(nohex &&
+ (i+c+1 < size) && (ptr[i+c] == 0x0D) && (ptr[i+c+1] == 0x0A)) {
+ i += (c+2-width);
+ break;
+ }
+ fprintf(stream, "%c", ((ptr[i+c] >= 0x20) && (ptr[i+c] < 0x80)) ?
+ ptr[i+c] : '.');
+ /* check again for 0D0A, to avoid an extra \n if it's at width */
+ if(nohex &&
+ (i+c+2 < size) && (ptr[i+c+1] == 0x0D) && (ptr[i+c+2] == 0x0A)) {
+ i += (c+3-width);
+ break;
+ }
+ }
+ fputc('\n', stream); /* newline */
+ }
+ fflush(stream);
+}
+
+int libtest_debug_cb(CURL *handle, curl_infotype type,
+ unsigned char *data, size_t size,
+ void *userp)
+{
+
+ struct libtest_trace_cfg *trace_cfg = userp;
+ const char *text;
+ struct timeval tv;
+ struct tm *now;
+ char timebuf[20];
+ time_t secs;
+
+ (void)handle;
+
+ timebuf[0] = '\0';
+
+ if(trace_cfg->tracetime) {
+ tv = tutil_tvnow();
+ if(!known_offset) {
+ epoch_offset = time(NULL) - tv.tv_sec;
+ known_offset = 1;
+ }
+ secs = epoch_offset + tv.tv_sec;
+ now = localtime(&secs); /* not thread safe but we don't care */
+ snprintf(timebuf, sizeof(timebuf), "%02d:%02d:%02d.%06ld ",
+ now->tm_hour, now->tm_min, now->tm_sec, (long)tv.tv_usec);
+ }
+
+ switch (type) {
+ case CURLINFO_TEXT:
+ fprintf(stderr, "%s== Info: %s", timebuf, data);
+ default: /* in case a new one is introduced to shock us */
+ return 0;
+
+ case CURLINFO_HEADER_OUT:
+ text = "=> Send header";
+ break;
+ case CURLINFO_DATA_OUT:
+ text = "=> Send data";
+ break;
+ case CURLINFO_SSL_DATA_OUT:
+ text = "=> Send SSL data";
+ break;
+ case CURLINFO_HEADER_IN:
+ text = "<= Recv header";
+ break;
+ case CURLINFO_DATA_IN:
+ text = "<= Recv data";
+ break;
+ case CURLINFO_SSL_DATA_IN:
+ text = "<= Recv SSL data";
+ break;
+ }
+
+ libtest_debug_dump(timebuf, text, stderr, data, size, trace_cfg->nohex);
+ return 0;
+}
+