Add GByteArray as queue type
This commit is contained in:
Stefan Bühler
parent
f06a31313a
commit
2912f13047
254
fastcgi.c
254
fastcgi.c
@ -12,6 +12,11 @@
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#include <unistd.h>
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#include <string.h>
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typedef struct fastcgi_queue_link {
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GList queue_link;
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enum { FASTCGI_QUEUE_STRING, FASTCGI_QUEUE_BYTEARRAY } elem_type;
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} fastcgi_queue_link;
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/* some util functions */
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#define GSTR_LEN(x) (x) ? (x)->str : "", (x) ? (x)->len : 0
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#define UNUSED(x) ((void)(x))
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@ -32,6 +37,149 @@ static void fd_init(int fd) {
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#endif
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}
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static fastcgi_queue_link* fastcgi_queue_link_new_string(GString *s) {
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fastcgi_queue_link *l = g_slice_new0(fastcgi_queue_link);
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l->queue_link.data = s;
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l->elem_type = FASTCGI_QUEUE_STRING;
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return l;
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}
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static fastcgi_queue_link* fastcgi_queue_link_new_bytearray(GByteArray *a) {
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fastcgi_queue_link *l = g_slice_new0(fastcgi_queue_link);
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l->queue_link.data = a;
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l->elem_type = FASTCGI_QUEUE_BYTEARRAY ;
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return l;
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}
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static void fastcgi_queue_link_free(fastcgi_queue *queue, fastcgi_queue_link *l) {
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switch (l->elem_type) {
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case FASTCGI_QUEUE_STRING:
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if (queue) queue->length -= ((GString*)l->queue_link.data)->len;
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g_string_free(l->queue_link.data, TRUE);
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break;
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case FASTCGI_QUEUE_BYTEARRAY:
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if (queue) queue->length -= ((GByteArray*)l->queue_link.data)->len;
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g_byte_array_free(l->queue_link.data, TRUE);
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break;
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}
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g_slice_free(fastcgi_queue_link, l);
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}
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static fastcgi_queue_link *fastcgi_queue_peek_head(fastcgi_queue *queue) {
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return (fastcgi_queue_link*) g_queue_peek_head_link(&queue->queue);
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}
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static fastcgi_queue_link *fastcgi_queue_pop_head(fastcgi_queue *queue) {
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return (fastcgi_queue_link*) g_queue_pop_head_link(&queue->queue);
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}
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void fastcgi_queue_clear(fastcgi_queue *queue) {
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fastcgi_queue_link *l;
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queue->offset = 0;
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while (NULL != (l = fastcgi_queue_pop_head(queue))) {
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fastcgi_queue_link_free(queue, l);
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}
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g_assert(0 == queue->length);
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}
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void fastcgi_queue_append_string(fastcgi_queue *queue, GString *buf) {
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fastcgi_queue_link *l;
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if (!buf) return;
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if (!buf->len) { g_string_free(buf, TRUE); return; }
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l = fastcgi_queue_link_new_string(buf);
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g_queue_push_tail_link(&queue->queue, (GList*) l);
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queue->length += buf->len;
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}
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void fastcgi_queue_append_bytearray(fastcgi_queue *queue, GByteArray *buf) {
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fastcgi_queue_link *l;
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if (!buf) return;
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if (!buf->len) { g_byte_array_free(buf, TRUE); return; }
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l = fastcgi_queue_link_new_bytearray(buf);
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g_queue_push_tail_link(&queue->queue, (GList*) l);
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queue->length += buf->len;
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}
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/* return values: 0 ok, -1 error, -2 con closed */
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gint fastcgi_queue_write(int fd, fastcgi_queue *queue, gsize max_write) {
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gsize rem_write = max_write;
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g_assert(rem_write <= G_MAXSSIZE);
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#ifdef TCP_CORK
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int corked = 0;
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#endif
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#ifdef TCP_CORK
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/* Linux: put a cork into the socket as we want to combine the write() calls
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* but only if we really have multiple chunks
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*/
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if (queue->queue.length > 1) {
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corked = 1;
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setsockopt(fd, IPPROTO_TCP, TCP_CORK, &corked, sizeof(corked));
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}
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#endif
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while (rem_write > 0 && queue->length > 0) {
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fastcgi_queue_link *l = fastcgi_queue_peek_head(queue);
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gsize towrite, datalen;
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gssize res;
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gchar *data;
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switch (l->elem_type) {
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case FASTCGI_QUEUE_STRING:
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data = ((GString*) l->queue_link.data)->str;
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datalen = towrite = ((GString*) l->queue_link.data)->len;
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break;
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case FASTCGI_QUEUE_BYTEARRAY:
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data = (gchar*) ((GByteArray*) l->queue_link.data)->data;
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datalen = towrite = ((GByteArray*) l->queue_link.data)->len;
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break;
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default:
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g_error("invalid fastcgi_queue_link type\n");
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}
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towrite -= queue->offset; data += queue->offset;
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if (towrite > rem_write) towrite = rem_write;
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res = write(fd, data, towrite);
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if (-1 == res) {
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#ifdef TCP_CORK
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if (corked) {
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corked = 0;
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setsockopt(fd, IPPROTO_TCP, TCP_CORK, &corked, sizeof(corked));
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}
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#endif
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switch (errno) {
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case EINTR:
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case EAGAIN:
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#if EWOULDBLOCK != EAGAIN
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case EWOULDBLOCK:
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#endif
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return 0; /* try again later */
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case ECONNRESET:
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case EPIPE:
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return -2;
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default:
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ERROR("write to fd=%d failed, %s\n", fd, g_strerror(errno) );
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return -1;
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}
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} else {
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queue->offset += res;
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rem_write -= res;
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if (queue->offset == datalen) {
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queue->offset = 0;
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fastcgi_queue_link_free(queue, fastcgi_queue_pop_head(queue));
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}
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}
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}
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#ifdef TCP_CORK
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if (corked) {
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corked = 0;
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setsockopt(fd, IPPROTO_TCP, TCP_CORK, &corked, sizeof(corked));
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}
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#endif
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return 0;
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}
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static void ev_io_add_events(struct ev_loop *loop, ev_io *watcher, int events) {
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if ((watcher->events & events) == events) return;
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ev_io_stop(loop, watcher);
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@ -73,39 +221,39 @@ static guint8 stream_build_fcgi_record(GString *buf, guint8 type, guint16 reques
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}
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/* returns padding length */
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static guint8 stream_send_fcgi_record(fastcgi_gstring_queue *out, guint8 type, guint16 requestid, guint16 datalen) {
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static guint8 stream_send_fcgi_record(fastcgi_queue *out, guint8 type, guint16 requestid, guint16 datalen) {
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GString *record = g_string_sized_new(FCGI_HEADER_LEN);
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guint8 padlen = stream_build_fcgi_record(record, type, requestid, datalen);
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fastcgi_gstring_queue_append(out, record);
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fastcgi_queue_append_string(out, record);
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return padlen;
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}
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static void stream_send_data(fastcgi_gstring_queue *out, guint8 type, guint16 requestid, const gchar *data, size_t datalen) {
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static void stream_send_data(fastcgi_queue *out, guint8 type, guint16 requestid, const gchar *data, size_t datalen) {
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while (datalen > 0) {
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guint16 tosend = (datalen > G_MAXUINT16) ? G_MAXUINT16 : datalen;
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guint8 padlen = stream_send_fcgi_record(out, type, requestid, tosend);
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GString *tmps = g_string_sized_new(tosend + padlen);
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g_string_append_len(tmps, data, tosend);
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append_padding(tmps, padlen);
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fastcgi_gstring_queue_append(out, tmps);
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fastcgi_queue_append_string(out, tmps);
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data += tosend;
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datalen -= tosend;
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}
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}
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/* kills string */
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static void stream_send_string(fastcgi_gstring_queue *out, guint8 type, guint16 requestid, GString *data) {
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static void stream_send_string(fastcgi_queue *out, guint8 type, guint16 requestid, GString *data) {
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if (data->len > G_MAXUINT16) {
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stream_send_data(out, type, requestid, GSTR_LEN(data));
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g_string_free(data, TRUE);
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} else {
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guint8 padlen = stream_send_fcgi_record(out, type, requestid, data->len);
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append_padding(data, padlen);
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fastcgi_gstring_queue_append(out, data);
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fastcgi_queue_append_string(out, data);
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}
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}
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static void stream_send_end_request(fastcgi_gstring_queue *out, guint16 requestID, gint32 appStatus, enum FCGI_ProtocolStatus status) {
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static void stream_send_end_request(fastcgi_queue *out, guint16 requestID, gint32 appStatus, enum FCGI_ProtocolStatus status) {
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GString *record;
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record = g_string_sized_new(16);
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stream_build_fcgi_record(record, FCGI_END_REQUEST, requestID, 8);
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@ -113,81 +261,20 @@ static void stream_send_end_request(fastcgi_gstring_queue *out, guint16 requestI
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g_string_append_len(record, (const gchar*) &appStatus, sizeof(appStatus));
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g_string_append_c(record, status);
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g_string_append_len(record, __padding, 3);
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fastcgi_gstring_queue_append(out, record);
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fastcgi_queue_append_string(out, record);
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}
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static void write_queue(fastcgi_connection *fcon) {
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const gssize max_rem_write = 256*1024;
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gssize rem_write = 256*1024;
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#ifdef TCP_CORK
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int corked = 0;
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#endif
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if (fcon->closing) return;
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#ifdef TCP_CORK
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/* Linux: put a cork into the socket as we want to combine the write() calls
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* but only if we really have multiple chunks
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*/
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if (fcon->write_queue->queue.length > 1) {
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corked = 1;
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setsockopt(fd, IPPROTO_TCP, TCP_CORK, &corked, sizeof(corked));
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}
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#endif
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while (rem_write > 0 && fcon->write_queue.length > 0) {
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GString *s = g_queue_peek_head(&fcon->write_queue.queue);
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gssize towrite = s->len - fcon->write_queue.offset, res;
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if (towrite > max_rem_write) towrite = max_rem_write;
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res = write(fcon->fd, s->str + fcon->write_queue.offset, towrite);
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if (-1 == res) {
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#ifdef TCP_CORK
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if (corked) {
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corked = 0;
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setsockopt(fd, IPPROTO_TCP, TCP_CORK, &corked, sizeof(corked));
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}
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#endif
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switch (errno) {
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case EINTR:
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case EAGAIN:
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#if EWOULDBLOCK != EAGAIN
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case EWOULDBLOCK:
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#endif
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goto out; /* try again later */
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case ECONNRESET:
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case EPIPE:
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fastcgi_connection_close(fcon);
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return;
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default:
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ERROR("write to fd=%d failed, %s\n", fcon->fd, g_strerror(errno) );
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fastcgi_connection_close(fcon);
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return;
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}
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} else {
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fcon->write_queue.offset += res;
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rem_write -= res;
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if (fcon->write_queue.offset == s->len) {
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g_queue_pop_head(&fcon->write_queue.queue);
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fcon->write_queue.offset = 0;
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fcon->write_queue.length -= s->len;
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g_string_free(s, TRUE);
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}
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}
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if (fastcgi_queue_write(fcon->fd, &fcon->write_queue, 256*1024) < 0) {
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fastcgi_connection_close(fcon);
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return;
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}
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#ifdef TCP_CORK
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if (corked) {
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corked = 0;
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setsockopt(fd, IPPROTO_TCP, TCP_CORK, &corked, sizeof(corked));
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}
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#endif
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out:
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if (!fcon->closing && rem_write != max_rem_write) {
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if (fcon->fsrv->callbacks->cb_wrote_data) {
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fcon->fsrv->callbacks->cb_wrote_data(fcon);
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}
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if (fcon->fsrv->callbacks->cb_wrote_data) {
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fcon->fsrv->callbacks->cb_wrote_data(fcon);
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}
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if (!fcon->closing) {
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@ -516,7 +603,7 @@ static void fastcgi_connection_free(fastcgi_connection *fcon) {
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fcon->fd = -1;
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}
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fastcgi_gstring_queue_clear(&fcon->write_queue);
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fastcgi_queue_clear(&fcon->write_queue);
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fastcgi_connection_environ_clear(fcon);
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g_ptr_array_free(fcon->environ, TRUE);
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g_string_free(fcon->buffer, TRUE);
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@ -533,7 +620,7 @@ void fastcgi_connection_close(fastcgi_connection *fcon) {
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fcon->fd = -1;
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}
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fastcgi_gstring_queue_clear(&fcon->write_queue);
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fastcgi_queue_clear(&fcon->write_queue);
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g_string_truncate(fcon->buffer, 0);
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g_string_truncate(fcon->parambuf, 0);
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@ -723,18 +810,3 @@ const gchar* fastcgi_connection_environ_lookup(fastcgi_connection *fcon, const g
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}
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return NULL;
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}
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void fastcgi_gstring_queue_append(fastcgi_gstring_queue *queue, GString *buf) {
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if (!buf) return;
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g_queue_push_tail(&queue->queue, buf);
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queue->length += buf->len;
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}
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void fastcgi_gstring_queue_clear(fastcgi_gstring_queue *queue) {
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GString *s;
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queue->length = 0;
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queue->offset = 0;
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while (NULL != (s = g_queue_pop_head(&queue->queue))) {
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g_string_free(s, TRUE);
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}
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}
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16
fastcgi.h
16
fastcgi.h
@ -56,8 +56,8 @@ typedef struct fastcgi_callbacks fastcgi_callbacks;
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struct fastcgi_connection;
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typedef struct fastcgi_connection fastcgi_connection;
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struct fastcgi_gstring_queue;
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typedef struct fastcgi_gstring_queue fastcgi_gstring_queue;
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struct fastcgi_queue;
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typedef struct fastcgi_queue fastcgi_queue;
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struct fastcgi_server {
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/* custom user data */
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@ -88,7 +88,7 @@ struct fastcgi_callbacks {
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void (*cb_reset_connection)(fastcgi_connection *fcon); /* cleanup custom data before fcon is freed, not for keep-alive */
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};
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struct fastcgi_gstring_queue {
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struct fastcgi_queue {
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GQueue queue;
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gsize offset; /* offset in first chunk */
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gsize length;
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@ -135,7 +135,7 @@ struct fastcgi_connection {
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gboolean read_suspended;
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/* write queue */
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fastcgi_gstring_queue write_queue;
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fastcgi_queue write_queue;
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};
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fastcgi_server *fastcgi_server_create(struct ev_loop *loop, gint socketfd, const fastcgi_callbacks *callbacks, guint max_connections);
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@ -154,7 +154,11 @@ void fastcgi_connection_close(fastcgi_connection *fcon); /* shouldn't be needed
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void fastcgi_connection_environ_clear(fastcgi_connection *fcon);
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const gchar* fastcgi_connection_environ_lookup(fastcgi_connection *fcon, const gchar* key, gsize keylen);
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void fastcgi_gstring_queue_append(fastcgi_gstring_queue *queue, GString *buf);
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void fastcgi_gstring_queue_clear(fastcgi_gstring_queue *queue);
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void fastcgi_queue_append_string(fastcgi_queue *queue, GString *buf);
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void fastcgi_queue_append_bytearray(fastcgi_queue *queue, GByteArray *buf);
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void fastcgi_queue_clear(fastcgi_queue *queue);
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/* return values: 0 ok, -1 error, -2 con closed */
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gint fastcgi_queue_write(int fd, fastcgi_queue *queue, gsize max_write);
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#endif
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47
fcgi-cgi.c
47
fcgi-cgi.c
@ -53,7 +53,7 @@ struct fcgi_cgi_child {
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ev_io pipe_in_watcher, pipe_out_watcher, pipe_err_watcher;
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/* write queue */
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fastcgi_gstring_queue write_queue;
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fastcgi_queue write_queue;
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};
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static fcgi_cgi_child* fcgi_cgi_child_create(fcgi_cgi_server *srv, fastcgi_connection *fcon);
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@ -104,45 +104,13 @@ static void fcgi_cgi_child_child_cb(struct ev_loop *loop, ev_child *w, int reven
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}
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static void write_queue(fcgi_cgi_child *cld) {
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const gssize max_rem_write = 256*1024;
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gssize rem_write = 256*1024;
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if (-1 == cld->pipe_out) return;
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while (rem_write > 0 && cld->write_queue.length > 0) {
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GString *s = g_queue_peek_head(&cld->write_queue.queue);
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gssize towrite = s->len - cld->write_queue.offset, res;
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if (towrite > max_rem_write) towrite = max_rem_write;
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res = write(cld->pipe_out, s->str + cld->write_queue.offset, towrite);
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if (-1 == res) {
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switch (errno) {
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case EINTR:
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case EAGAIN:
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#if EWOULDBLOCK != EAGAIN
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case EWOULDBLOCK:
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#endif
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goto out; /* try again later */
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case ECONNRESET:
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case EPIPE:
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fcgi_cgi_child_close_write(cld);
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return;
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default:
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ERROR("write to fd=%d failed, %s\n", cld->pipe_out, g_strerror(errno));
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fcgi_cgi_child_close_write(cld);
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return;
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}
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} else {
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cld->write_queue.offset += res;
|
||||
rem_write -= res;
|
||||
if (cld->write_queue.offset == s->len) {
|
||||
g_queue_pop_head(&cld->write_queue.queue);
|
||||
cld->write_queue.offset = 0;
|
||||
cld->write_queue.length -= s->len;
|
||||
g_string_free(s, TRUE);
|
||||
}
|
||||
}
|
||||
if (fastcgi_queue_write(cld->pipe_out, &cld->write_queue, 256*1024) < 0) {
|
||||
fcgi_cgi_child_close_write(cld);
|
||||
return;
|
||||
}
|
||||
|
||||
out:
|
||||
if (-1 != cld->pipe_out) {
|
||||
if (cld->write_queue.length > 0) {
|
||||
ev_io_start(cld->srv->loop, &cld->pipe_out_watcher);
|
||||
@ -296,7 +264,7 @@ static void fcgi_cgi_child_close_write(fcgi_cgi_child *cld) {
|
||||
ev_io_stop(cld->srv->loop, &cld->pipe_out_watcher);
|
||||
close(cld->pipe_out);
|
||||
cld->pipe_out = -1;
|
||||
fastcgi_gstring_queue_clear(&cld->write_queue);
|
||||
fastcgi_queue_clear(&cld->write_queue);
|
||||
cld->write_queue.closed = TRUE;
|
||||
fcgi_cgi_child_check_done(cld);
|
||||
}
|
||||
@ -418,7 +386,7 @@ static void fcgi_cgi_direct_result(fastcgi_connection *fcon, int status) {
|
||||
|
||||
static void fcgi_cgi_new_request(fastcgi_connection *fcon) {
|
||||
fcgi_cgi_child *cld = (fcgi_cgi_child*) fcon->data;
|
||||
gchar *binpath;
|
||||
const gchar *binpath;
|
||||
struct stat st;
|
||||
if (cld) return;
|
||||
|
||||
@ -476,7 +444,7 @@ static void fcgi_cgi_received_stdin(fastcgi_connection *fcon, GString *data) {
|
||||
if (data) g_string_free(data, TRUE);
|
||||
return;
|
||||
}
|
||||
fastcgi_gstring_queue_append(&cld->write_queue, data);
|
||||
fastcgi_queue_append_string(&cld->write_queue, data);
|
||||
write_queue(cld); /* if we don't call this we have to check the write-queue length */
|
||||
}
|
||||
|
||||
@ -524,6 +492,7 @@ static void fcgi_cgi_server_free(fcgi_cgi_server* srv) {
|
||||
for (i = 0; i < srv->aborted_pending_childs->len; i++) {
|
||||
fcgi_cgi_child_free(g_ptr_array_index(srv->aborted_pending_childs, i));
|
||||
}
|
||||
g_ptr_array_free(srv->aborted_pending_childs, TRUE);
|
||||
fastcgi_server_free(srv->fsrv);
|
||||
g_slice_free(fcgi_cgi_server, srv);
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user