debug.c
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上传日期:2018-10-23
资源大小:12304k
文件大小:3k
- /*****************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ | |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
- * ___|___/|_| ______|
- *
- * $Id: debug.c,v 1.4 2008-05-22 21:20:09 danf Exp $
- */
- #include <stdio.h>
- #include <curl/curl.h>
- struct data {
- char trace_ascii; /* 1 or 0 */
- };
- static
- void dump(const char *text,
- FILE *stream, unsigned char *ptr, size_t size,
- char 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, %zd bytes (0x%zx)n", text, size, size);
- for(i=0; i<size; i+= width) {
- fprintf(stream, "%04zx: ", 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);
- }
- static
- int my_trace(CURL *handle, curl_infotype type,
- char *data, size_t size,
- void *userp)
- {
- struct data *config = (struct data *)userp;
- const char *text;
- (void)handle; /* prevent compiler warning */
- switch (type) {
- case CURLINFO_TEXT:
- fprintf(stderr, "== Info: %s", 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;
- }
- dump(text, stderr, (unsigned char *)data, size, config->trace_ascii);
- return 0;
- }
- int main(void)
- {
- CURL *curl;
- CURLcode res;
- struct data config;
- config.trace_ascii = 1; /* enable ascii tracing */
- curl = curl_easy_init();
- if(curl) {
- curl_easy_setopt(curl, CURLOPT_DEBUGFUNCTION, my_trace);
- curl_easy_setopt(curl, CURLOPT_DEBUGDATA, &config);
- /* the DEBUGFUNCTION has no effect until we enable VERBOSE */
- curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
- curl_easy_setopt(curl, CURLOPT_URL, "curl.haxx.se");
- res = curl_easy_perform(curl);
- /* always cleanup */
- curl_easy_cleanup(curl);
- }
- return 0;
- }