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authorYang Tse <yangsita@gmail.com>2011-09-24 17:38:16 +0200
committerYang Tse <yangsita@gmail.com>2011-09-24 17:40:46 +0200
commitc6702c7d3f53b0eb07e452c732df1b8f5765b287 (patch)
treea10425f82f68519524437a5751a276b75c25cc09 /src/tool_cb_dbg.c
parent8bab6700d9a7f2085c81c069e0ac0792ac0521b2 (diff)
downloadcurl-c6702c7d3f53b0eb07e452c732df1b8f5765b287.tar.gz
curl tool: reviewed code moved to tool_*.[ch] files
Diffstat (limited to 'src/tool_cb_dbg.c')
-rw-r--r--src/tool_cb_dbg.c276
1 files changed, 276 insertions, 0 deletions
diff --git a/src/tool_cb_dbg.c b/src/tool_cb_dbg.c
new file mode 100644
index 000000000..7b20a0c01
--- /dev/null
+++ b/src/tool_cb_dbg.c
@@ -0,0 +1,276 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2011, 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 "setup.h"
+
+#include <curl/curl.h>
+
+#define ENABLE_CURLX_PRINTF
+/* use our own printf() functions */
+#include "curlx.h"
+
+#include "curlutil.h"
+
+#include "tool_cfgable.h"
+#include "tool_msgs.h"
+#include "tool_cb_dbg.h"
+
+#include "memdebug.h" /* keep this as LAST include */
+
+static void dump(const char *timebuf, const char *text,
+ FILE *stream, const unsigned char *ptr, size_t size,
+ trace tracetype, curl_infotype infotype);
+
+/*
+** callback for CURLOPT_DEBUGFUNCTION
+*/
+
+int tool_debug_cb(CURL *handle, curl_infotype type,
+ unsigned char *data, size_t size,
+ void *userdata)
+{
+ struct Configurable *config = userdata;
+ FILE *output = config->errors;
+ const char *text;
+ struct timeval tv;
+ struct tm *now;
+ char timebuf[20];
+ time_t secs;
+ static time_t epoch_offset;
+ static int known_offset;
+
+ (void)handle; /* not used */
+
+ if(config->tracetime) {
+ tv = cutil_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);
+ }
+ else
+ timebuf[0] = 0;
+
+ if(!config->trace_stream) {
+ /* open for append */
+ if(curlx_strequal("-", config->trace_dump))
+ config->trace_stream = stdout;
+ else if(curlx_strequal("%", config->trace_dump))
+ /* Ok, this is somewhat hackish but we do it undocumented for now */
+ config->trace_stream = config->errors; /* aka stderr */
+ else {
+ config->trace_stream = fopen(config->trace_dump, "w");
+ config->trace_fopened = TRUE;
+ }
+ }
+
+ if(config->trace_stream)
+ output = config->trace_stream;
+
+ if(!output) {
+ warnf(config, "Failed to create/open output");
+ return 0;
+ }
+
+ if(config->tracetype == TRACE_PLAIN) {
+ /*
+ * This is the trace look that is similar to what libcurl makes on its
+ * own.
+ */
+ static const char * const s_infotype[] = {
+ "*", "<", ">", "{", "}", "{", "}"
+ };
+ size_t i;
+ size_t st = 0;
+ static bool newl = FALSE;
+ static bool traced_data = FALSE;
+
+ switch(type) {
+ case CURLINFO_HEADER_OUT:
+ for(i = 0; i < size - 1; i++) {
+ if(data[i] == '\n') { /* LF */
+ if(!newl) {
+ fprintf(output, "%s%s ", timebuf, s_infotype[type]);
+ }
+ (void)fwrite(data + st, i - st + 1, 1, output);
+ st = i + 1;
+ newl = FALSE;
+ }
+ }
+ if(!newl)
+ fprintf(output, "%s%s ", timebuf, s_infotype[type]);
+ (void)fwrite(data + st, i - st + 1, 1, output);
+ newl = (size && (data[size - 1] != '\n')) ? TRUE : FALSE;
+ traced_data = FALSE;
+ break;
+ case CURLINFO_TEXT:
+ case CURLINFO_HEADER_IN:
+ if(!newl)
+ fprintf(output, "%s%s ", timebuf, s_infotype[type]);
+ (void)fwrite(data, size, 1, output);
+ newl = (size && (data[size - 1] != '\n')) ? TRUE : FALSE;
+ traced_data = FALSE;
+ break;
+ case CURLINFO_DATA_OUT:
+ case CURLINFO_DATA_IN:
+ case CURLINFO_SSL_DATA_IN:
+ case CURLINFO_SSL_DATA_OUT:
+ if(!traced_data) {
+ /* if the data is output to a tty and we're sending this debug trace
+ to stderr or stdout, we don't display the alert about the data not
+ being shown as the data _is_ shown then just not via this
+ function */
+ if(!config->isatty ||
+ ((output != stderr) && (output != stdout))) {
+ if(!newl)
+ fprintf(output, "%s%s ", timebuf, s_infotype[type]);
+ fprintf(output, "[data not shown]\n");
+ newl = FALSE;
+ traced_data = TRUE;
+ }
+ }
+ break;
+ default: /* nada */
+ newl = FALSE;
+ traced_data = FALSE;
+ break;
+ }
+
+ return 0;
+ }
+
+#ifdef CURL_DOES_CONVERSIONS
+ /* Special processing is needed for CURLINFO_HEADER_OUT blocks
+ * if they contain both headers and data (separated by CRLFCRLF).
+ * We dump the header text and then switch type to CURLINFO_DATA_OUT.
+ */
+ if((type == CURLINFO_HEADER_OUT) && (size > 4)) {
+ size_t i;
+ for(i = 0; i < size - 4; i++) {
+ if(memcmp(&data[i], "\r\n\r\n", 4) == 0) {
+ /* dump everything through the CRLFCRLF as a sent header */
+ text = "=> Send header";
+ dump(timebuf, text, output, data, i + 4, config->tracetype, type);
+ data += i + 3;
+ size -= i + 4;
+ type = CURLINFO_DATA_OUT;
+ data += 1;
+ break;
+ }
+ }
+ }
+#endif /* CURL_DOES_CONVERSIONS */
+
+ switch (type) {
+ case CURLINFO_TEXT:
+ fprintf(output, "%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_HEADER_IN:
+ text = "<= Recv header";
+ break;
+ case CURLINFO_DATA_IN:
+ text = "<= Recv data";
+ break;
+ case CURLINFO_SSL_DATA_IN:
+ text = "<= Recv SSL data";
+ break;
+ case CURLINFO_SSL_DATA_OUT:
+ text = "=> Send SSL data";
+ break;
+ }
+
+ dump(timebuf, text, output, data, size, config->tracetype, type);
+ return 0;
+}
+
+static void dump(const char *timebuf, const char *text,
+ FILE *stream, const unsigned char *ptr, size_t size,
+ trace tracetype, curl_infotype infotype)
+{
+ size_t i;
+ size_t c;
+
+ unsigned int width = 0x10;
+
+ if(tracetype == TRACE_ASCII)
+ /* without the hex output, we can fit more on screen */
+ width = 0x40;
+
+ fprintf(stream, "%s%s, %zd bytes (0x%zx)\n", timebuf, text, size, size);
+
+ for(i = 0; i < size; i += width) {
+
+ fprintf(stream, "%04zx: ", i);
+
+ if(tracetype == TRACE_BIN) {
+ /* 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((tracetype == TRACE_ASCII) &&
+ (i+c+1 < size) && (ptr[i+c] == 0x0D) && (ptr[i+c+1] == 0x0A)) {
+ i += (c+2-width);
+ break;
+ }
+#ifdef CURL_DOES_CONVERSIONS
+ /* repeat the 0D0A check above but use the host encoding for CRLF */
+ if((tracetype == TRACE_ASCII) &&
+ (i+c+1 < size) && (ptr[i+c] == '\r') && (ptr[i+c+1] == '\n')) {
+ i += (c+2-width);
+ break;
+ }
+ /* convert to host encoding and print this character */
+ fprintf(stream, "%c", convert_char(infotype, ptr[i+c]));
+#else
+ (void)infotype;
+ fprintf(stream, "%c", ((ptr[i+c] >= 0x20) && (ptr[i+c] < 0x80)) ?
+ ptr[i+c] : UNPRINTABLE_CHAR);
+#endif /* CURL_DOES_CONVERSIONS */
+ /* check again for 0D0A, to avoid an extra \n if it's at width */
+ if((tracetype == TRACE_ASCII) &&
+ (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);
+}
+