http: unify client/server state machines
[vpp.git] / src / plugins / http / http.h
index 209fc32..dbae5ac 100644 (file)
@@ -23,6 +23,7 @@
 
 #include <vnet/session/application_interface.h>
 #include <vnet/session/application.h>
+#include <http/http_buffer.h>
 
 #define HTTP_DEBUG 0
 
@@ -48,7 +49,7 @@ typedef struct http_conn_id_
 STATIC_ASSERT (sizeof (http_conn_id_t) <= TRANSPORT_CONN_ID_LEN,
               "ctx id must be less than TRANSPORT_CONN_ID_LEN");
 
-typedef enum http_state_
+typedef enum http_conn_state_
 {
   HTTP_CONN_STATE_LISTEN,
   HTTP_CONN_STATE_CONNECTING,
@@ -58,13 +59,17 @@ typedef enum http_state_
   HTTP_CONN_STATE_CLOSED
 } http_conn_state_t;
 
-typedef enum http_req_state_
+typedef enum http_state_
 {
-  HTTP_REQ_STATE_WAIT_METHOD,
-  HTTP_REQ_STATE_WAIT_APP,
-  HTTP_REQ_STATE_SEND_MORE_DATA,
-  HTTP_REQ_N_STATES,
-} http_req_state_t;
+  HTTP_STATE_IDLE = 0,
+  HTTP_STATE_WAIT_APP_METHOD,
+  HTTP_STATE_WAIT_CLIENT_METHOD,
+  HTTP_STATE_WAIT_SERVER_REPLY,
+  HTTP_STATE_WAIT_APP_REPLY,
+  HTTP_STATE_CLIENT_IO_MORE_DATA,
+  HTTP_STATE_APP_IO_MORE_DATA,
+  HTTP_N_STATES,
+} http_state_t;
 
 typedef enum http_req_method_
 {
@@ -79,21 +84,98 @@ typedef enum http_msg_type_
 } http_msg_type_t;
 
 #define foreach_http_content_type                                             \
-  _ (TEXT_HTML, "text/html")                                                  \
-  _ (TEXT_CSS, "text/css")                                                    \
-  _ (TEXT_JS, "text/javascript")                                              \
-  _ (TEXT_JSON, "application/json")
+  _ (APP_7Z, ".7z", "application / x - 7z - compressed")                      \
+  _ (APP_DOC, ".doc", "application / msword")                                 \
+  _ (APP_DOCX, ".docx",                                                       \
+     "application / vnd.openxmlformats - "                                    \
+     "officedocument.wordprocessingml.document")                              \
+  _ (APP_EPUB, ".epub", "application / epub + zip")                           \
+  _ (APP_FONT, ".eot", "application / vnd.ms - fontobject")                   \
+  _ (APP_JAR, ".jar", "application / java - archive")                         \
+  _ (APP_JSON, ".json", "application / json")                                 \
+  _ (APP_JSON_LD, ".jsonld", "application / ld + json")                       \
+  _ (APP_MPKG, ".mpkg", "application / vnd.apple.installer + xml")            \
+  _ (APP_ODP, ".odp", "application / vnd.oasis.opendocument.presentation")    \
+  _ (APP_ODS, ".ods", "application / vnd.oasis.opendocument.spreadsheet")     \
+  _ (APP_ODT, ".odt", "application / vnd.oasis.opendocument.text")            \
+  _ (APP_OGX, ".ogx", "application / ogg")                                    \
+  _ (APP_PDF, ".pdf", "application / pdf")                                    \
+  _ (APP_PHP, ".php", "application / x - httpd - php")                        \
+  _ (APP_PPT, ".ppt", "application / vnd.ms - powerpoint")                    \
+  _ (APP_PPTX, ".pptx", "application / vnd.ms - powerpoint")                  \
+  _ (APP_RAR, ".rar", "application / vnd.rar")                                \
+  _ (APP_RTF, ".rtf", "application / rtf")                                    \
+  _ (APP_SH, ".sh", "application / x - sh")                                   \
+  _ (APP_TAR, ".tar", "application / x - tar")                                \
+  _ (APP_VSD, ".vsd", "application / vnd.visio")                              \
+  _ (APP_XHTML, ".xhtml", "application / xhtml + xml")                        \
+  _ (APP_XLS, ".xls", "application / vnd.ms - excel")                         \
+  _ (APP_XML, ".xml", "application / xml")                                    \
+  _ (APP_XSLX, ".xlsx",                                                       \
+     "application / vnd.openxmlformats - officedocument.spreadsheetml.sheet") \
+  _ (APP_XUL, ".xul", "application / vnd.mozilla.xul + xml")                  \
+  _ (APP_ZIP, ".zip", "application / zip")                                    \
+  _ (AUDIO_AAC, ".aac", "audio / aac")                                        \
+  _ (AUDIO_CD, ".cda", "application / x - cdf")                               \
+  _ (AUDIO_WAV, ".wav", "audio / wav")                                        \
+  _ (AUDIO_WEBA, ".weba", "audio / webm")                                     \
+  _ (AUDO_MIDI, ".midi", "audio / midi")                                      \
+  _ (AUDO_MID, ".mid", "audo / midi")                                         \
+  _ (AUDO_MP3, ".mp3", "audio / mpeg")                                        \
+  _ (AUDO_OGA, ".oga", "audio / ogg")                                         \
+  _ (AUDO_OPUS, ".opus", "audio / opus")                                      \
+  _ (APP_OCTET_STREAM, ".bin", "application / octet - stream")                \
+  _ (BZIP2, ".bz2", "application / x - bzip2")                                \
+  _ (BZIP, ".bz", "application / x - bzip")                                   \
+  _ (FONT_OTF, ".otf", "font / otf")                                          \
+  _ (FONT_TTF, ".ttf", "font / ttf")                                          \
+  _ (FONT_WOFF2, ".woff2", "font / woff2")                                    \
+  _ (FONT_WOFF, ".woff", "font / woff")                                       \
+  _ (GZIP, ".gz", "application / gzip")                                       \
+  _ (IMAGE_AVIF, ".avif", "image / avif")                                     \
+  _ (IMAGE_BMP, ".bmp", "image / bmp")                                        \
+  _ (IMAGE_GIF, ".gif", "image / gif")                                        \
+  _ (IMAGE_ICON, ".ico", "image / vnd.microsoft.icon")                        \
+  _ (IMAGE_JPEG, ".jpeg", "image / jpeg")                                     \
+  _ (IMAGE_JPG, ".jpg", "image / jpeg")                                       \
+  _ (IMAGE_PNG, ".png", "image / png")                                        \
+  _ (IMAGE_SVG, ".svg", "image / svg + xml")                                  \
+  _ (IMAGE_TIFF, ".tiff", "image / tiff")                                     \
+  _ (IMAGE_TIF, ".tif", "image / tiff")                                       \
+  _ (IMAGE_WEBP, ".webp", "image / webp")                                     \
+  _ (SCRIPT_CSH, ".csh", "application / x - csh")                             \
+  _ (TEXT_ABIWORD, ".abw", "application / x - abiword")                       \
+  _ (TEXT_ARCHIVE, ".arc", "application / x - freearc")                       \
+  _ (TEXT_AZW, ".azw", "application / vnd.amazon.ebook")                      \
+  _ (TEXT_CALENDAR, ".ics", "text / calendar")                                \
+  _ (TEXT_CSS, ".css", "text / css")                                          \
+  _ (TEXT_CSV, ".csv", "text / csv")                                          \
+  _ (TEXT_HTM, ".htm", "text / html")                                         \
+  _ (TEXT_HTML, ".html", "text / html")                                       \
+  _ (TEXT_JS, ".js", "text / javascript")                                     \
+  _ (TEXT_MJS, ".mjs", "text / javascript")                                   \
+  _ (TEXT_PLAIN, ".txt", "text / plain")                                      \
+  _ (VIDEO_3GP2, ".3g2", "video / 3gpp2")                                     \
+  _ (VIDEO_3GP, ".3gp", "video / 3gpp")                                       \
+  _ (VIDEO_AVI, ".avi", "video / x - msvideo")                                \
+  _ (VIDEO_MP4, ".mp4", "video / mp4")                                        \
+  _ (VIDEO_MPEG, ".mpeg", "video / mpeg")                                     \
+  _ (VIDEO_OGG, ".ogv", "video / ogg")                                        \
+  _ (VIDEO_TS, ".ts", "video / mp2t")                                         \
+  _ (VIDEO_WEBM, ".webm", "video / webm")
 
 typedef enum http_content_type_
 {
-#define _(s, str) HTTP_CONTENT_##s,
+#define _(s, ext, str) HTTP_CONTENT_##s,
   foreach_http_content_type
 #undef _
 } http_content_type_t;
 
 #define foreach_http_status_code                                              \
   _ (200, OK, "200 OK")                                                       \
+  _ (301, MOVED, "301 Moved Permanently")                                     \
   _ (400, BAD_REQUEST, "400 Bad Request")                                     \
+  _ (404, NOT_FOUND, "404 Not Found")                                         \
   _ (405, METHOD_NOT_ALLOWED, "405 Method Not Allowed")                       \
   _ (500, INTERNAL_ERROR, "500 Internal Server Error")
 
@@ -105,11 +187,16 @@ typedef enum http_status_code_
     HTTP_N_STATUS
 } http_status_code_t;
 
+typedef enum http_msg_data_type_
+{
+  HTTP_MSG_DATA_INLINE,
+  HTTP_MSG_DATA_PTR
+} http_msg_data_type_t;
+
 typedef struct http_msg_data_
 {
-  http_content_type_t content_type;
-  u32 len;
-  u32 offset;
+  http_msg_data_type_t type;
+  u64 len;
   u8 data[0];
 } http_msg_data_t;
 
@@ -121,18 +208,10 @@ typedef struct http_msg_
     http_req_method_t method_type;
     http_status_code_t code;
   };
+  http_content_type_t content_type;
   http_msg_data_t data;
 } http_msg_t;
 
-typedef struct http_buffer_
-{
-  svm_fifo_t *src;
-  svm_fifo_seg_t *segs;
-  u32 len;
-  u32 cur_seg;
-  u32 offset;
-} http_buffer_t;
-
 typedef struct http_tc_
 {
   union
@@ -143,6 +222,7 @@ typedef struct http_tc_
 #define h_tc_session_handle c_http_conn_id.tc_session_handle
 #define h_pa_wrk_index     c_http_conn_id.parent_app_wrk_index
 #define h_pa_session_handle c_http_conn_id.app_session_handle
+#define h_pa_app_api_ctx    c_http_conn_id.parent_app_api_ctx
 #define h_hc_index         connection.c_index
 
   http_conn_state_t state;
@@ -151,11 +231,13 @@ typedef struct http_tc_
   /*
    * Current request
    */
-  http_req_state_t req_state;
+  http_state_t http_state;
   http_req_method_t method;
   u8 *rx_buf;
   u32 rx_buf_offset;
   http_buffer_t tx_buf;
+  u32 to_recv;
+  u32 bytes_dequeued;
 } http_conn_t;
 
 typedef struct http_worker_
@@ -166,7 +248,7 @@ typedef struct http_worker_
 typedef struct http_main_
 {
   http_worker_t *wrk;
-  http_conn_t *listener_ctx_pool;
+  http_conn_t *listener_pool;
   u32 app_index;
 
   clib_timebase_t timebase;
@@ -180,9 +262,20 @@ typedef struct http_main_
    * Config
    */
   u64 first_seg_size;
+  u64 add_seg_size;
   u32 fifo_size;
 } http_main_t;
 
+static inline int
+http_state_is_tx_valid (http_conn_t *hc)
+{
+  http_state_t state = hc->http_state;
+  return (state == HTTP_STATE_APP_IO_MORE_DATA ||
+         state == HTTP_STATE_CLIENT_IO_MORE_DATA ||
+         state == HTTP_STATE_WAIT_APP_REPLY ||
+         state == HTTP_STATE_WAIT_APP_METHOD);
+}
+
 #endif /* SRC_PLUGINS_HTTP_HTTP_H_ */
 
 /*