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add cache control to static file, remove unthread safe code

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This commit is contained in:
lxsang 2020-01-10 17:31:49 +01:00
parent 1200d9d990
commit 6f7d028c86
4 changed files with 66 additions and 32 deletions
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dist/antd-1.0.4b.tar.gz vendored
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37
http_server.c
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@ -39,6 +39,9 @@ void error_log(const char* fmt, ...)
va_end(arguments);
if ((data = (char*)malloc(dlen*sizeof(char))) != 0)
{
char buf[64];
server_time(buf,64);
fwrite(buf,strlen(buf),1,server_config.errorfp);
va_start(arguments, fmt);
vsnprintf(data, dlen, fmt, arguments);
va_end(arguments);
@ -62,6 +65,9 @@ void server_log(const char* fmt, ...)
va_end(arguments);
if ((data = (char*)malloc(dlen*sizeof(char))) != 0)
{
char buf[64];
server_time(buf,64);
fwrite(buf,strlen(buf),1,server_config.logfp);
va_start(arguments, fmt);
vsnprintf(data, dlen, fmt, arguments);
va_end(arguments);
@ -670,10 +676,7 @@ void *serve_file(void *data)
task->priority++;
char *path = (char *)dvalue(rq->request, "ABS_RESOURCE_PATH");
char *mime_type = (char *)dvalue(rq->request, "RESOURCE_MIME");
// find content length
/*if (is_bin(path))
__fb(rq->client, path);
else*/
struct stat st;
int s = stat(path, &st);
@ -682,9 +685,28 @@ void *serve_file(void *data)
antd_error(rq->client, 404, "File not found");
}
else
{
// check if it is modified
dictionary_t header = (dictionary_t)dvalue(rq->request, "REQUEST_HEADER");
char * last_modif_since = (char*)dvalue(header, "If-Modified-Since");
time_t t = st.st_ctime;
struct tm tm;
if(last_modif_since)
{
strptime(last_modif_since, "%a, %d %b %Y %H:%M:%S GMT", &tm);
t = timegm(&tm);
//t = mktime(localtime(&t));
}
if(last_modif_since && st.st_ctime == t)
{
// return the not changed
antd_error(rq->client,304, "");
}
else
{
int size = (int)st.st_size;
char ibuf[20];
char ibuf[64];
snprintf (ibuf, sizeof(ibuf), "%d",size);
antd_response_header_t rhd;
rhd.cookie = NULL;
@ -693,10 +715,15 @@ void *serve_file(void *data)
dput(rhd.header, "Content-Type", strdup(mime_type));
if(!compressable(mime_type) || rq->client->z_level == ANTD_CNONE)
dput(rhd.header, "Content-Length", strdup(ibuf));
gmtime_r(&st.st_ctime, &tm);
strftime(ibuf, 255, "%a, %d %b %Y %H:%M:%S GMT", &tm);
dput(rhd.header, "Last-Modified", strdup(ibuf));
dput(rhd.header, "Cache-Control", strdup("no-cache"));
antd_send_header(rq->client, &rhd);
__f(rq->client, path);
}
}
return task;
}

31
lib/utils.c
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@ -85,19 +85,26 @@ void removeAll(const char* path,int mode)
}
char* __time(time_t time)
{
struct tm *t = localtime(&time);
char * buf = asctime(t);
char* pos = strchr(buf,'\n');
if(pos) *pos = '\0';
return buf;
}
char* server_time()
{
return __time(time(NULL));
}
// WARNING:
// TODO: remove it, this function is not thread-safe
void timestr(time_t time, char* buf,int len,char* format, int gmt)
{
struct tm t;
if(gmt)
{
gmtime_r(&time, &t);
}
else
{
localtime_r(&time, &t);
}
strftime(buf, len, format, &t);
}
void server_time(char* buf, int len)
{
timestr(time(NULL), buf, len ,"%a, %d %b %Y %H:%M:%S", 0);
}
/**
* Get extension of a file name
* @param file The file name

8
lib/utils.h
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@ -56,12 +56,12 @@ THE SOFTWARE.
#define false 0
#ifdef DEBUG
#define LOG(a,...) server_log("%s: [%s: %d]: " a "\n",server_time(), __FILE__, \
#define LOG(a,...) server_log(": [%s: %d]: " a "\n", __FILE__, \
__LINE__, ##__VA_ARGS__)
#else
#define LOG(a,...) do{}while(0)
#endif
#define ERROR(a,...) error_log("%s: [%s: %d]: " a "\n", server_time() , __FILE__, \
#define ERROR(a,...) error_log(": [%s: %d]: " a "\n", __FILE__, \
__LINE__, ##__VA_ARGS__)
// add this to the utils
#define UNUSED(x) (void)(x)
@ -83,8 +83,8 @@ dictionary_t __attribute__((weak)) mimes_list();
char* __s(const char*,...);
void trim(char*,const char);
void removeAll(const char* path,int mode);
char* __time(time_t time);
char* server_time();
void timestr(time_t time, char* buf,int len,char* format, int gmt);
void server_time(char* , int );
char* ext(const char*);
char* mime(const char*);
int match_int(const char*);