added mio_svc_htts_dotxt()

mio/bin/t01.c

@@ -937,6 +937,8 @@ if (mio_htre_getcontentlen(req) > 0)
 			int x;
 			if (mio_comp_bcstr_limited(qpath, "/thr/", 5, 1) == 0)
 				x = mio_svc_htts_dothr(htts, csck, req, on_htts_thr_request, MIO_NULL);
+			else if (mio_comp_bcstr_limited(qpath, "/txt/", 5, 1) == 0)
+				x = mio_svc_htts_dotxt(htts, csck, req, 200, "text/plain", qpath);
 			else
 				x = mio_svc_htts_docgi(htts, csck, req, "", mio_htre_getqpath(req));
 			if (x <= -1) goto oops;

mio/lib/Makefile.am

@@ -59,6 +59,7 @@ libmio_la_SOURCES = \
 	http-cgi.c \
 	http-svr.c \
 	http-thr.c \
+	http-txt.c \
 	mio-prv.h \
 	mio.c \
 	nwif.c \

mio/lib/Makefile.in

@@ -142,13 +142,13 @@ am_libmio_la_OBJECTS = libmio_la-chr.lo libmio_la-dns.lo \
 	libmio_la-dns-cli.lo libmio_la-ecs.lo libmio_la-err.lo \
 	libmio_la-fmt.lo libmio_la-htb.lo libmio_la-htrd.lo \
 	libmio_la-htre.lo libmio_la-http.lo libmio_la-http-cgi.lo \
-	libmio_la-http-svr.lo libmio_la-http-thr.lo libmio_la-mio.lo \
+	libmio_la-http-svr.lo libmio_la-http-thr.lo \
-	libmio_la-nwif.lo libmio_la-path.lo libmio_la-pipe.lo \
+	libmio_la-http-txt.lo libmio_la-mio.lo libmio_la-nwif.lo \
-	libmio_la-pro.lo libmio_la-sck.lo libmio_la-skad.lo \
+	libmio_la-path.lo libmio_la-pipe.lo libmio_la-pro.lo \
-	libmio_la-sys.lo libmio_la-sys-ass.lo libmio_la-sys-err.lo \
+	libmio_la-sck.lo libmio_la-skad.lo libmio_la-sys.lo \
-	libmio_la-sys-log.lo libmio_la-sys-mux.lo libmio_la-sys-tim.lo \
+	libmio_la-sys-ass.lo libmio_la-sys-err.lo libmio_la-sys-log.lo \
-	libmio_la-thr.lo libmio_la-tmr.lo libmio_la-utf8.lo \
+	libmio_la-sys-mux.lo libmio_la-sys-tim.lo libmio_la-thr.lo \
-	libmio_la-utl.lo
+	libmio_la-tmr.lo libmio_la-utf8.lo libmio_la-utl.lo
 libmio_la_OBJECTS = $(am_libmio_la_OBJECTS)
 AM_V_lt = $(am__v_lt_@AM_V@)
 am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
@@ -181,6 +181,7 @@ am__depfiles_remade = ./$(DEPDIR)/libmio_la-chr.Plo \
 	./$(DEPDIR)/libmio_la-http-cgi.Plo \
 	./$(DEPDIR)/libmio_la-http-svr.Plo \
 	./$(DEPDIR)/libmio_la-http-thr.Plo \
+	./$(DEPDIR)/libmio_la-http-txt.Plo \
 	./$(DEPDIR)/libmio_la-http.Plo ./$(DEPDIR)/libmio_la-mio.Plo \
 	./$(DEPDIR)/libmio_la-nwif.Plo ./$(DEPDIR)/libmio_la-path.Plo \
 	./$(DEPDIR)/libmio_la-pipe.Plo ./$(DEPDIR)/libmio_la-pro.Plo \
@@ -449,6 +450,7 @@ libmio_la_SOURCES = \
 	http-cgi.c \
 	http-svr.c \
 	http-thr.c \
+	http-txt.c \
 	mio-prv.h \
 	mio.c \
 	nwif.c \
@@ -580,6 +582,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-http-cgi.Plo@am__quote@ # am--include-marker
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-http-svr.Plo@am__quote@ # am--include-marker
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-http-thr.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-http-txt.Plo@am__quote@ # am--include-marker
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-http.Plo@am__quote@ # am--include-marker
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-mio.Plo@am__quote@ # am--include-marker
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-nwif.Plo@am__quote@ # am--include-marker
@@ -720,6 +723,13 @@ libmio_la-http-thr.lo: http-thr.c
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libmio_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libmio_la-http-thr.lo `test -f 'http-thr.c' || echo '$(srcdir)/'`http-thr.c
 
+libmio_la-http-txt.lo: http-txt.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libmio_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libmio_la-http-txt.lo -MD -MP -MF $(DEPDIR)/libmio_la-http-txt.Tpo -c -o libmio_la-http-txt.lo `test -f 'http-txt.c' || echo '$(srcdir)/'`http-txt.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/libmio_la-http-txt.Tpo $(DEPDIR)/libmio_la-http-txt.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='http-txt.c' object='libmio_la-http-txt.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libmio_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libmio_la-http-txt.lo `test -f 'http-txt.c' || echo '$(srcdir)/'`http-txt.c
+
 libmio_la-mio.lo: mio.c
 @am__fastdepCC_TRUE@	$(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libmio_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libmio_la-mio.lo -MD -MP -MF $(DEPDIR)/libmio_la-mio.Tpo -c -o libmio_la-mio.lo `test -f 'mio.c' || echo '$(srcdir)/'`mio.c
 @am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/libmio_la-mio.Tpo $(DEPDIR)/libmio_la-mio.Plo
@@ -1006,6 +1016,7 @@ distclean: distclean-am
 	-rm -f ./$(DEPDIR)/libmio_la-http-cgi.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-http-svr.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-http-thr.Plo
+	-rm -f ./$(DEPDIR)/libmio_la-http-txt.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-http.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-mio.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-nwif.Plo
@@ -1082,6 +1093,7 @@ maintainer-clean: maintainer-clean-am
 	-rm -f ./$(DEPDIR)/libmio_la-http-cgi.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-http-svr.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-http-thr.Plo
+	-rm -f ./$(DEPDIR)/libmio_la-http-txt.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-http.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-mio.Plo
 	-rm -f ./$(DEPDIR)/libmio_la-nwif.Plo

mio/lib/http-cgi.c

@@ -68,6 +68,7 @@ struct cgi_state_t
 	unsigned int req_content_length_unlimited: 1;
 	unsigned int ever_attempted_to_write_to_client: 1;
 	unsigned int client_disconnected: 1;
+	unsigned int client_htrd_recbs_changed: 1;
 	mio_oow_t req_content_length; /* client request content length */
 	cgi_state_res_mode_t res_mode_to_cli;
 
@@ -279,7 +280,11 @@ printf ("**** CGI_STATE_ON_KILL \n");
 		cgi_state->client_org_on_disconnect = MIO_NULL;
 	}
 
-	mio_htrd_setrecbs (cgi_state->client->htrd, &cgi_state->client_htrd_org_recbs); /* restore the callbacks */
+	if (cgi_state->client_htrd_recbs_changed)
+	{
+		/* restore the callbacks */
+		mio_htrd_setrecbs (cgi_state->client->htrd, &cgi_state->client_htrd_org_recbs);
+	}
 
 	if (!cgi_state->client_disconnected)
 	{
@@ -1016,6 +1021,7 @@ int mio_svc_htts_docgi (mio_svc_htts_t* htts, mio_dev_sck_t* csck, mio_htre_t* r
 		cgi_state->client_htrd_org_recbs = *mio_htrd_getrecbs(cgi_state->client->htrd);
 		cgi_client_htrd_recbs.peek = cgi_state->client_htrd_org_recbs.peek;
 		mio_htrd_setrecbs (cgi_state->client->htrd, &cgi_client_htrd_recbs);
+		cgi_state->client_htrd_recbs_changed = 1;
 	}
 	else
 	{
@@ -1026,6 +1032,7 @@ int mio_svc_htts_docgi (mio_svc_htts_t* htts, mio_dev_sck_t* csck, mio_htre_t* r
 			cgi_state->client_htrd_org_recbs = *mio_htrd_getrecbs(cgi_state->client->htrd);
 			cgi_client_htrd_recbs.peek = cgi_state->client_htrd_org_recbs.peek;
 			mio_htrd_setrecbs (cgi_state->client->htrd, &cgi_client_htrd_recbs);
+			cgi_state->client_htrd_recbs_changed = 1;
 		}
 		else
 		{

mio/lib/http-thr.c

@@ -73,6 +73,7 @@ struct thr_state_t
 	unsigned int req_content_length_unlimited: 1;
 	unsigned int ever_attempted_to_write_to_client: 1;
 	unsigned int client_disconnected: 1;
+	unsigned int client_htrd_recbs_changed: 1;
 	mio_oow_t req_content_length; /* client request content length */
 	thr_state_res_mode_t res_mode_to_cli;
 
@@ -287,7 +288,11 @@ printf ("**** THR_STATE_ON_KILL \n");
 		thr_state->client_org_on_disconnect = MIO_NULL;
 	}
 
-	mio_htrd_setrecbs (thr_state->client->htrd, &thr_state->client_htrd_org_recbs); /* restore the callbacks */
+	if (thr_state->client_htrd_recbs_changed)
+	{
+		/* restore the callbacks */
+		mio_htrd_setrecbs (thr_state->client->htrd, &thr_state->client_htrd_org_recbs); 
+	}
 
 	if (!thr_state->client_disconnected)
 	{
@@ -910,6 +915,7 @@ int mio_svc_htts_dothr (mio_svc_htts_t* htts, mio_dev_sck_t* csck, mio_htre_t* r
 		thr_state->client_htrd_org_recbs = *mio_htrd_getrecbs(thr_state->client->htrd);
 		thr_client_htrd_recbs.peek = thr_state->client_htrd_org_recbs.peek;
 		mio_htrd_setrecbs (thr_state->client->htrd, &thr_client_htrd_recbs);
+		thr_state->client_htrd_recbs_changed = 1;
 	}
 	else
 	{
@@ -920,6 +926,7 @@ int mio_svc_htts_dothr (mio_svc_htts_t* htts, mio_dev_sck_t* csck, mio_htre_t* r
 			thr_state->client_htrd_org_recbs = *mio_htrd_getrecbs(thr_state->client->htrd);
 			thr_client_htrd_recbs.peek = thr_state->client_htrd_org_recbs.peek;
 			mio_htrd_setrecbs (thr_state->client->htrd, &thr_client_htrd_recbs);
+			thr_state->client_htrd_recbs_changed = 1;
 		}
 		else
 		{

mio/lib/http-txt.c

@@ -24,36 +24,12 @@
     THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #include "http-prv.h"
-#include <mio-txt.h>
 #include <mio-fmt.h>
 #include <mio-chr.h>
 
-#define TXT_ALLOW_UNLIMITED_REQ_CONTENT_LENGTH
-
-enum txt_state_res_mode_t
-{
-	TXT_STATE_RES_MODE_CHUNKED,
-	TXT_STATE_RES_MODE_CLOSE,
-	TXT_STATE_RES_MODE_LENGTH
-};
-typedef enum txt_state_res_mode_t txt_state_res_mode_t;
-
-#define TXT_STATE_PENDING_IO_TXTESHOLD 5
-
 #define TXT_STATE_OVER_READ_FROM_CLIENT (1 << 0)
-#define TXT_STATE_OVER_READ_FROM_PEER   (1 << 1)
+#define TXT_STATE_OVER_WRITE_TO_CLIENT  (1 << 1)
-#define TXT_STATE_OVER_WRITE_TO_CLIENT  (1 << 2)
+#define TXT_STATE_OVER_ALL (TXT_STATE_OVER_READ_FROM_CLIENT | TXT_STATE_OVER_WRITE_TO_CLIENT)
-#define TXT_STATE_OVER_WRITE_TO_PEER    (1 << 3)
-#define TXT_STATE_OVER_ALL (TXT_STATE_OVER_READ_FROM_CLIENT | TXT_STATE_OVER_READ_FROM_PEER | TXT_STATE_OVER_WRITE_TO_CLIENT | TXT_STATE_OVER_WRITE_TO_PEER)
-
-struct txt_func_start_t
-{
-	mio_t* mio;
-	mio_svc_htts_txt_func_t txt_func;
-	void* txt_ctx;
-	mio_svc_htts_txt_func_info_t tfi;
-};
-typedef struct txt_func_start_t txt_func_start_t;
 
 struct txt_state_t
 {
@@ -63,21 +39,17 @@ struct txt_state_t
 	mio_svc_htts_cli_t* client;
 	mio_http_version_t req_version; /* client request */
 
-	unsigned int over: 4; /* must be large enough to accomodate TXT_STATE_OVER_ALL */
+	unsigned int over: 2; /* must be large enough to accomodate TXT_STATE_OVER_ALL */
 	unsigned int keep_alive: 1;
 	unsigned int req_content_length_unlimited: 1;
-	unsigned int ever_attempted_to_write_to_client: 1;
 	unsigned int client_disconnected: 1;
+	unsigned int client_htrd_recbs_changed: 1;
 	mio_oow_t req_content_length; /* client request content length */
-	txt_state_res_mode_t res_mode_to_cli;
 
 	mio_dev_sck_on_read_t client_org_on_read;
 	mio_dev_sck_on_write_t client_org_on_write;
 	mio_dev_sck_on_disconnect_t client_org_on_disconnect;
 	mio_htrd_recbs_t client_htrd_org_recbs;
-	
-
-
 };
 typedef struct txt_state_t txt_state_t;
 
@@ -85,82 +57,63 @@ static void txt_state_halt_participating_devices (txt_state_t* txt_state)
 {
 	MIO_ASSERT (txt_state->client->htts->mio, txt_state->client != MIO_NULL);
 	MIO_ASSERT (txt_state->client->htts->mio, txt_state->client->sck != MIO_NULL);
-
 	MIO_DEBUG3 (txt_state->client->htts->mio, "HTTS(%p) - Halting participating devices in txt state %p(client=%p)\n", txt_state->client->htts, txt_state, txt_state->client->sck);
-
-
 	mio_dev_sck_halt (txt_state->client->sck);
 }
 
 static int txt_state_write_to_client (txt_state_t* txt_state, const void* data, mio_iolen_t dlen)
 {
-	txt_state->ever_attempted_to_write_to_client = 1;
-
 	txt_state->num_pending_writes_to_client++;
 	if (mio_dev_sck_write(txt_state->client->sck, data, dlen, MIO_NULL, MIO_NULL) <= -1) 
 	{
 		txt_state->num_pending_writes_to_client--;
 		return -1;
 	}
-
-	if (txt_state->num_pending_writes_to_client > TXT_STATE_PENDING_IO_TXTESHOLD)
-	{
-	}
 	return 0;
 }
 
+#if 0
 static int txt_state_writev_to_client (txt_state_t* txt_state, mio_iovec_t* iov, mio_iolen_t iovcnt)
 {
-	txt_state->ever_attempted_to_write_to_client = 1;
-
 	txt_state->num_pending_writes_to_client++;
 	if (mio_dev_sck_writev(txt_state->client->sck, iov, iovcnt, MIO_NULL, MIO_NULL) <= -1) 
 	{
 		txt_state->num_pending_writes_to_client--;
 		return -1;
 	}
-
-	if (txt_state->num_pending_writes_to_client > TXT_STATE_PENDING_IO_TXTESHOLD)
-	{
-	}
 	return 0;
 }
+#endif
 
-static int txt_state_send_final_status_to_client (txt_state_t* txt_state, int status_code, int force_close)
+static int txt_state_send_final_status_to_client (txt_state_t* txt_state, int status_code, const char* content_type, const char* content_text, int force_close)
 {
 	mio_svc_htts_cli_t* cli = txt_state->client;
 	mio_bch_t dtbuf[64];
+	mio_oow_t content_text_len = 0;
 
 	mio_svc_htts_fmtgmtime (cli->htts, MIO_NULL, dtbuf, MIO_COUNTOF(dtbuf));
 
 	if (!force_close) force_close = !txt_state->keep_alive;
-	if (mio_becs_fmt(cli->sbuf, "HTTP/%d.%d %d %hs\r\nServer: %hs\r\nDate: %s\r\nConnection: %hs\r\nContent-Length: 0\r\n\r\n",
+
+	if (mio_becs_fmt(cli->sbuf, "HTTP/%d.%d %d %hs\r\nServer: %hs\r\nDate: %s\r\nConnection: %hs\r\n",
 		txt_state->req_version.major, txt_state->req_version.minor,
 		status_code, mio_http_status_to_bcstr(status_code),
 		cli->htts->server_name, dtbuf,
-		(force_close? "close": "keep-alive")) == (mio_oow_t)-1) return -1;
+		(force_close? "close": "keep-alive"),
+		(content_text? mio_count_bcstr(content_text): 0), (content_text? content_text: "")) == (mio_oow_t)-1) return -1;
+
+	if (content_text)
+	{
+		content_text_len = mio_count_bcstr(content_text);
+		if (content_type && mio_becs_fcat(cli->sbuf, "Content-Type: %hs\r\n", content_type) == (mio_oow_t)-1) return -1;
+	}
+	if (mio_becs_fcat(cli->sbuf, "Content-Length: %zu\r\n\r\n", content_text_len) == (mio_oow_t)-1) return -1;
 
 	return (txt_state_write_to_client(txt_state, MIO_BECS_PTR(cli->sbuf), MIO_BECS_LEN(cli->sbuf)) <= -1 ||
+	        (content_text && txt_state_write_to_client(txt_state, content_text, content_text_len) <= -1) ||
 	        (force_close && txt_state_write_to_client(txt_state, MIO_NULL, 0) <= -1))? -1: 0;
 }
 
-
-static int txt_state_write_last_chunk_to_client (txt_state_t* txt_state)
-{
-	if (!txt_state->ever_attempted_to_write_to_client)
-	{
-		if (txt_state_send_final_status_to_client(txt_state, 500, 0) <= -1) return -1;
-	}
-	else
-	{
-		if (txt_state->res_mode_to_cli == TXT_STATE_RES_MODE_CHUNKED &&
-		    txt_state_write_to_client(txt_state, "0\r\n\r\n", 5) <= -1) return -1;
-	}
-
-	if (!txt_state->keep_alive && txt_state_write_to_client(txt_state, MIO_NULL, 0) <= -1) return -1;
-	return 0;
-}
-
 static MIO_INLINE void txt_state_mark_over (txt_state_t* txt_state, int over_bits)
 {
 	unsigned int old_over;
@@ -215,14 +168,17 @@ printf ("**** TXT_STATE_ON_KILL \n");
 		txt_state->client_org_on_write = MIO_NULL;
 	}
 
-
 	if (txt_state->client_org_on_disconnect)
 	{
 		txt_state->client->sck->on_disconnect = txt_state->client_org_on_disconnect;
 		txt_state->client_org_on_disconnect = MIO_NULL;
 	}
 
-	mio_htrd_setrecbs (txt_state->client->htrd, &txt_state->client_htrd_org_recbs); /* restore the callbacks */
+	if (txt_state->client_htrd_recbs_changed)
+	{
+		/* restore the callbacks */
+		mio_htrd_setrecbs (txt_state->client->htrd, &txt_state->client_htrd_org_recbs); 
+	}
 
 	if (!txt_state->client_disconnected)
 	{
@@ -253,13 +209,7 @@ printf (">> CLIENT REQUEST COMPLETED\n");
 
 static int txt_client_htrd_push_content (mio_htrd_t* htrd, mio_htre_t* req, const mio_bch_t* data, mio_oow_t dlen)
 {
-	/*
+	/* discard all contents */
-	mio_svc_htts_cli_htrd_xtn_t* htrdxtn = (mio_svc_htts_cli_htrd_xtn_t*)mio_htrd_getxtn(htrd);
-	mio_dev_sck_t* sck = htrdxtn->sck;
-	mio_svc_htts_cli_t* cli = mio_dev_sck_getxtn(sck);
-	txt_state_t* txt_state = (txt_state_t*)cli->rsrc;
-	MIO_ASSERT (sck->mio, cli->sck == sck);
-	*/
 	return 0;
 }
 
@@ -351,10 +301,8 @@ static int txt_client_on_write (mio_dev_sck_t* sck, mio_iolen_t wrlen, void* wrc
 	else
 	{
 		MIO_ASSERT (mio, txt_state->num_pending_writes_to_client > 0);
-
 		txt_state->num_pending_writes_to_client--;
-
+		if (txt_state->num_pending_writes_to_client <= 0)
-		if ((txt_state->over & TXT_STATE_OVER_READ_FROM_PEER) && txt_state->num_pending_writes_to_client <= 0)
 		{
 			txt_state_mark_over (txt_state, TXT_STATE_OVER_WRITE_TO_CLIENT);
 		}
@@ -367,43 +315,20 @@ oops:
 	return 0;
 }
 
-int mio_svc_htts_dotxt (mio_svc_htts_t* htts, mio_dev_sck_t* csck, mio_htre_t* req, mio_svc_htts_txt_func_t func, void* ctx)
+int mio_svc_htts_dotxt (mio_svc_htts_t* htts, mio_dev_sck_t* csck, mio_htre_t* req, int status_code, const mio_bch_t* content_type, const mio_bch_t* content_text)
 {
 	mio_t* mio = htts->mio;
 	mio_svc_htts_cli_t* cli = mio_dev_sck_getxtn(csck);
 	txt_state_t* txt_state = MIO_NULL;
-	mio_dev_txt_make_t mi;
-	txt_func_start_t* tfs;
 
 	/* ensure that you call this function before any contents is received */
 	MIO_ASSERT (mio, mio_htre_getcontentlen(req) == 0);
 
-	tfs = mio_callocmem(mio, MIO_SIZEOF(*tfs));
-	if (!tfs) goto oops;
-
-	tfs->mio = mio;
-	tfs->txt_func = func;
-	tfs->txt_ctx = ctx;
-
-	tfs->tfi.req_method = mio_htre_getqmethodtype(req);
-	tfs->tfi.req_version = *mio_htre_getversion(req);
-	tfs->tfi.req_path = mio_dupbcstr(mio, mio_htre_getqpath(req), MIO_NULL);
-	if (!tfs->tfi.req_path) goto oops;
-	if (mio_htre_getqparam(req))
-	{
-		tfs->tfi.req_param = mio_dupbcstr(mio, mio_htre_getqparam(req), MIO_NULL);
-		if (!tfs->tfi.req_param) goto oops;
-	}
-	/* TODO: copy headers.. */
-	tfs->tfi.server_addr = cli->sck->localaddr;
-	tfs->tfi.client_addr = cli->sck->remoteaddr;
-
 	txt_state = (txt_state_t*)mio_svc_htts_rsrc_make(htts, MIO_SIZEOF(*txt_state), txt_state_on_kill);
 	if (MIO_UNLIKELY(!txt_state)) goto oops;
 
 	txt_state->client = cli;
-	/*txt_state->num_pending_writes_to_client = 0;
+	/*txt_state->num_pending_writes_to_client = 0;*/
-	txt_state->num_pending_writes_to_peer = 0;*/
 	txt_state->req_version = *mio_htre_getversion(req);
 	txt_state->req_content_length_unlimited = mio_htre_getreqcontentlen(req, &txt_state->req_content_length);
 
@@ -417,102 +342,43 @@ int mio_svc_htts_dotxt (mio_svc_htts_t* htts, mio_dev_sck_t* csck, mio_htre_t* r
 	MIO_ASSERT (mio, cli->rsrc == MIO_NULL);
 	MIO_SVC_HTTS_RSRC_ATTACH (txt_state, cli->rsrc);
 
-#if !defined(TXT_ALLOW_UNLIMITED_REQ_CONTENT_LENGTH)
-	if (txt_state->req_content_length_unlimited)
-	{
-		/* Transfer-Encoding is chunked. no content-length is known in advance. */
-		
-		/* option 1. buffer contents. if it gets too large, send 413 Request Entity Too Large.
-		 * option 2. send 411 Length Required immediately
-		 * option 3. set Content-Length to -1 and use EOF to indicate the end of content [Non-Standard] */
-
-		if (txt_state_send_final_status_to_client(txt_state, 411, 1) <= -1) goto oops;
-	}
-#endif
-
 	if (req->flags & MIO_HTRE_ATTR_EXPECT100)
 	{
-		/* TODO: Expect: 100-continue? who should handle this? txt? or the http server? */
+		/* don't send 100-Continue. If the client posts data regardless, ignore them later */
-		/* CAN I LET the txt SCRIPT handle this? */
-		if (mio_comp_http_version_numbers(&req->version, 1, 1) >= 0 && 
-		   (txt_state->req_content_length_unlimited || txt_state->req_content_length > 0)) 
-		{
-			/* 
-			 * Don't send 100 Continue if http verions is lower than 1.1
-			 * [RFC7231] 
-			 *  A server that receives a 100-continue expectation in an HTTP/1.0
-			 *  request MUST ignore that expectation.
-			 *
-			 * Don't send 100 Continue if expected content lenth is 0. 
-			 * [RFC7231]
-			 *  A server MAY omit sending a 100 (Continue) response if it has
-			 *  already received some or all of the message body for the
-			 *  corresponding request, or if the framing indicates that there is
-			 *  no message body.
-			 */
-			mio_bch_t msgbuf[64];
-			mio_oow_t msglen;
-
-			msglen = mio_fmttobcstr(mio, msgbuf, MIO_COUNTOF(msgbuf), "HTTP/%d.%d 100 Continue\r\n\r\n", txt_state->req_version.major, txt_state->req_version.minor);
-			if (txt_state_write_to_client(txt_state, msgbuf, msglen) <= -1) goto oops;
-			txt_state->ever_attempted_to_write_to_client = 0; /* reset this as it's polluted for 100 continue */
-		}
 	}
 	else if (req->flags & MIO_HTRE_ATTR_EXPECT)
 	{
 		/* 417 Expectation Failed */
-		txt_state_send_final_status_to_client(txt_state, 417, 1);
+		txt_state_send_final_status_to_client(txt_state, 417, MIO_NULL, MIO_NULL, 1);
 		goto oops;
 	}
 
-#if defined(TXT_ALLOW_UNLIMITED_REQ_CONTENT_LENGTH)
+	if (txt_state->req_content_length_unlimited || txt_state->req_content_length > 0)
-	if (txt_state->req_content_length_unlimited)
-	{
-		/* change the callbacks to subscribe to contents to be uploaded */
-		txt_state->client_htrd_org_recbs = *mio_htrd_getrecbs(txt_state->client->htrd);
-		txt_client_htrd_recbs.peek = txt_state->client_htrd_org_recbs.peek;
-		mio_htrd_setrecbs (txt_state->client->htrd, &txt_client_htrd_recbs);
-	}
-	else
-	{
-#endif
-		if (txt_state->req_content_length > 0)
 	{
 		/* change the callbacks to subscribe to contents to be uploaded */
 		txt_state->client_htrd_org_recbs = *mio_htrd_getrecbs(txt_state->client->htrd);
 		txt_client_htrd_recbs.peek = txt_state->client_htrd_org_recbs.peek;
 		mio_htrd_setrecbs (txt_state->client->htrd, &txt_client_htrd_recbs);
+		txt_state->client_htrd_recbs_changed = 1;
 	}
 	else
 	{
 		/* no content to be uploaded from the client */
 		/* indicate EOF to the peer and disable input wathching from the client */
-			txt_state_mark_over (txt_state, TXT_STATE_OVER_READ_FROM_CLIENT | TXT_STATE_OVER_WRITE_TO_PEER);
+		txt_state_mark_over (txt_state, TXT_STATE_OVER_READ_FROM_CLIENT);
 	}
-#if defined(TXT_ALLOW_UNLIMITED_REQ_CONTENT_LENGTH)
-	}
-#endif
 
 	/* this may change later if Content-Length is included in the txt output */
-	if (req->flags & MIO_HTRE_ATTR_KEEPALIVE)
+	txt_state->keep_alive = !!(req->flags & MIO_HTRE_ATTR_KEEPALIVE);
-	{
-		txt_state->keep_alive = 1;
-		txt_state->res_mode_to_cli = TXT_STATE_RES_MODE_CHUNKED; 
-		/* the mode still can get switched to TXT_STATE_RES_MODE_LENGTH if the txt script emits Content-Length */
-	}
-	else
-	{
-		txt_state->keep_alive = 0;
-		txt_state->res_mode_to_cli = TXT_STATE_RES_MODE_CLOSE;
-	}
 
 	/* TODO: store current input watching state and use it when destroying the txt_state data */
 	if (mio_dev_sck_read(csck, !(txt_state->over & TXT_STATE_OVER_READ_FROM_CLIENT)) <= -1) goto oops;
+
+	if (txt_state_send_final_status_to_client(txt_state, status_code, content_type, content_text, 0) <= -1) goto oops;
 	return 0;
 
 oops:
 	MIO_DEBUG2 (mio, "HTTS(%p) - FAILURE in dotxt - socket(%p)\n", htts, csck);
-	if (tfs) free_txt_start_info (tfs);
 	if (txt_state) txt_state_halt_participating_devices (txt_state);
 	return -1;
 }

mio/lib/mio-http.h

@@ -284,6 +284,15 @@ MIO_EXPORT int mio_svc_htts_dothr (
 	void*                   ctx
 );
 
+MIO_EXPORT int mio_svc_htts_dotxt (
+	mio_svc_htts_t*     htts,
+	mio_dev_sck_t*      csck,
+	mio_htre_t*         req,
+	int                 status_code,
+	const mio_bch_t*    content_type,
+	const mio_bch_t*    content_text
+);
+
 MIO_EXPORT mio_svc_htts_rsrc_t* mio_svc_htts_rsrc_make (
 	mio_svc_htts_t*              htts,
 	mio_oow_t                    rsrc_size,