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Comment:Updated to support the HEAD HTTP method
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SHA1: 5a054ee091543db480d8bdf83e8d9f9e91afa864
User & Date: rkeene on 2014-02-11 07:43:06
Original Comment: Updated to support the HEAD HTTP method5~
Other Links: manifest | tags
Context
2014-02-11
08:11
Added ETag check-in: 63a88bc1bc user: rkeene tags: trunk
07:43
Updated to support the HEAD HTTP method check-in: 5a054ee091 user: rkeene tags: trunk
05:53
Removed unneeded assignment check-in: 8cb189c633 user: rkeene tags: trunk
Changes
Hide Diffs Side-by-Side Diffs Ignore Whitespace Patch

Modified filed.c from [8c74e1e76e] to [93c05a56c1].

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/* Request variables */
struct filed_http_request {
	/** Buffers **/
	struct filed_fileinfo fileinfo;
	char tmpbuf[1010];

	/** HTTP Request information **/
	/*** Type of request (HEAD or GET) ***/
	enum {
		FILED_REQUEST_METHOD_GET,
		FILED_REQUEST_METHOD_HEAD
	} method;

	/*** Path being requested ***/
	char path[FILED_PATH_BUFFER_SIZE]; 

	struct {
		struct {
			int present;
			off_t offset;   /*** Range start ***/
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	time_t endtime;
	off_t req_offset;
	off_t req_length;
	off_t sent_length;
	off_t file_length;
	char ip[128];
	int port;
	int method;
};

/* Global variables */
/** Open File cache **/
struct filed_fileinfo *filed_fileinfo_fdcache = NULL;
unsigned int filed_fileinfo_fdcache_size = 0;
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#    define filed_log_msg_debug(x, ...) /**/
#  endif

/* Initialize logging thread */
static void *filed_logging_thread(void *arg_p) {
	struct filed_logging_thread_args *arg;
	struct filed_log_entry *curr, *prev;
	const char *method;
	time_t now;
	FILE *fp;

	arg = arg_p;

	fp = arg->fp;
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		while (curr) {
			switch (curr->type) {
				case FILED_LOG_TYPE_MESSAGE:
					fprintf(fp, "%s", curr->buffer);

					break;
				case FILED_LOG_TYPE_TRANSFER:
					switch (curr->method) {
						case FILED_REQUEST_METHOD_GET:
							method="GET";
							break;
						case FILED_REQUEST_METHOD_HEAD:
							method="HEAD";
							break;
						default:
							method="<unknown>";
							break;
					}

					if (curr->endtime == ((time_t) -1)) {
						curr->endtime = now;
					}

					fprintf(fp, "TRANSFER PATH=%s SRC=%s:%i TIME.START=%llu TIME.END=%llu CODE.VALUE=%u CODE.REASON=%s REQUEST.OFFSET=%llu REQUEST.LENGTH=%llu FILE.LENGTH=%llu TRANSFER.LENGTH=%llu",
					fprintf(fp, "TRANSFER METHOD=%s PATH=%s SRC=%s:%i TIME.START=%llu TIME.END=%llu CODE.VALUE=%u CODE.REASON=%s REQUEST.OFFSET=%llu REQUEST.LENGTH=%llu FILE.LENGTH=%llu TRANSFER.LENGTH=%llu",
						method,
						curr->buffer,
						curr->ip, curr->port,
						(unsigned long long) curr->starttime,
						(unsigned long long) curr->endtime,
						curr->http_code, curr->reason,
						(unsigned long long) curr->req_offset,
						(unsigned long long) curr->req_length,
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		retval->endtime = 0;
		retval->req_offset = 0;
		retval->req_length = 0;
		retval->sent_length = 0;
		retval->file_length = 0;
		retval->ip[0] = '\0';
		retval->port = -1;
		retval->method = -1;
	}

	return(retval);
}

static void filed_log_msg(const char *fmt, ...) {
	struct filed_log_entry *entry;
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	buffer = strchr(buffer, ' ');
	if (buffer != NULL) {
		*buffer = '\0';
		buffer++;
	}

	/* We only handle the "GET" method */
	if (strcasecmp(method, "get") != 0) {
		return(NULL);
	/* We only handle the "GET" and "HEAD' methods */
	if (strcasecmp(method, "head") != 0) {
		if (strcasecmp(method, "get") != 0) {
			return(NULL);
		}

		/* GET request */
		buffer_st->method = FILED_REQUEST_METHOD_GET;
	} else {
		/* HEAD request */
		buffer_st->method = FILED_REQUEST_METHOD_HEAD;
	}

	/* Note path */
	strcpy(buffer_st->path, path);

	for (i = 0; i < 100; i++) {
		fgets_ret = fgets(buffer, buffer_len, fp);
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	buffer_st->headers.range.offset  = range_start;
	buffer_st->headers.range.length  = range_length;

	return(buffer_st);
}

/* Return an error page */
static void filed_error_page(FILE *fp, const char *date_current, int error_number) {
static void filed_error_page(FILE *fp, const char *date_current, int error_number, int method) {
	char *error_string = "<html><head><title>ERROR</title></head><body>Unable to process request</body></html>";

	fprintf(fp, "HTTP/1.1 %i Not OK\r\nDate: %s\r\nServer: filed\r\nLast-Modified: %s\r\nContent-Length: %llu\r\nContent-Type: %s\r\nConnection: close\r\n\r\n%s",
	fprintf(fp, "HTTP/1.1 %i Not OK\r\nDate: %s\r\nServer: filed\r\nLast-Modified: %s\r\nContent-Length: %llu\r\nContent-Type: %s\r\nConnection: close\r\n\r\n",
		error_number,
		date_current,
		date_current,
		(unsigned long long) strlen(error_string),
		"text/html",
		"text/html"
		error_string
	);

	/* silence error string for HEAD requests */
	if (method != FILED_REQUEST_METHOD_HEAD) {
		fprintf(fp, "%s", error_string);
	}

	return;
}

/* Handle a single request from a client */
static void filed_handle_client(int fd, struct filed_http_request *request, struct filed_log_entry *log) {
	struct filed_fileinfo *fileinfo;
	ssize_t sendfile_ret;
	size_t sendfile_size;
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		return;
	}

	request = filed_get_http_request(fp, request);

	if (request == NULL) {
		filed_error_page(fp, date_current, 500);
		filed_error_page(fp, date_current, 500, FILED_REQUEST_METHOD_GET);

		log->buffer[0] = '\0';
		log->http_code = 500;
		log->reason = "format";

		filed_log_entry(log);

		fclose(fp);

		return;
	}

	path = request->path;
	strcpy(log->buffer, path);

	http_code = -1;

	fileinfo = filed_open_file(path, &request->fileinfo);
	if (fileinfo == NULL) {
		filed_error_page(fp, date_current, 404);
		filed_error_page(fp, date_current, 404, request->method);

		log->http_code = 404;
		log->reason = "open_failed";

		filed_log_entry(log);
	} else {
		if (request->headers.range.offset != 0 || request->headers.range.length >= 0) {
			if (request->headers.range.offset >= fileinfo->len) {
				filed_error_page(fp, date_current, 416);
				filed_error_page(fp, date_current, 416, request->method);

				log->http_code = 416;
				log->reason = "range_invalid";

				filed_log_entry(log);
			} else {
				if (request->headers.range.length == ((off_t) -1)) {
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			log->http_code = http_code;
			log->reason = "OK";
			log->starttime = time(NULL);
			log->req_offset = request->headers.range.offset;
			log->req_length = request->headers.range.length;
			log->file_length = fileinfo->len;
			log->method = request->method;

#ifdef FILED_NONBLOCK_HTTP
			int socket_flags;
			fd_set rfd, wfd;
			char sinkbuf[8192];
			ssize_t read_ret;

			FD_ZERO(&rfd);
			FD_ZERO(&wfd);
			FD_SET(fd, &rfd);
			FD_SET(fd, &wfd);

			socket_flags = fcntl(fd, F_GETFL);
			fcntl(fd, F_SETFL, socket_flags | O_NONBLOCK);
#endif

			sendfile_offset = request->headers.range.offset;
			sendfile_len = request->headers.range.length;
			sendfile_sent = 0;
			while (1) {
			while (request->method == FILED_REQUEST_METHOD_GET) {
				if (sendfile_len > FILED_SENDFILE_MAX) {
					sendfile_size = FILED_SENDFILE_MAX;
				} else {
					sendfile_size = sendfile_len;
				}

				sendfile_ret = sendfile(fd, fileinfo->fd, &sendfile_offset, sendfile_size);
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