src/ebb.h

   1 /* The Ebb Web Server
   2  * Copyright (c) 2008 Ry Dahl. This software is released under the MIT
   3  * License. See README file for details.
   4  */
   5 #ifndef ebb_h
   6 #define ebb_h
   7 #define EV_STANDALONE 1
   8 #include <ev.h>
   9 #include <sys/socket.h>
  10 #include <netinet/in.h>
  11 #include <glib.h>
  12 #include "parser.h"
  13
  14 typedef struct ebb_server ebb_server;
  15 typedef struct ebb_client ebb_client;
  16 #define EBB_VERSION "0.1.0"
  17 #define EBB_BUFFERSIZE (1024 * (80 + 33))
  18 #define EBB_MAX_CLIENTS 1024
  19 #define EBB_TIMEOUT 30.0
  20 #define EBB_MAX_ENV 500
  21 #define EBB_TCP_COMMON          \
  22   unsigned open : 1;            \
  23   int fd;                       \
  24   struct sockaddr_in sockaddr;
  25
  26 /*** Ebb Client ***/
  27 void ebb_client_close(ebb_client*);
  28 /* user MUST call this function on each client passed by the request_cb */
  29 void ebb_client_release(ebb_client*);
  30 int ebb_client_read(ebb_client *client, char *buffer, int length);
  31 void ebb_client_write_status(ebb_client*, int status, const char *human_status);
  32 void ebb_client_write_header(ebb_client*, const char *field, const char *value);
  33 void ebb_client_write_body(ebb_client*, const char *data, int length);
  34
  35 struct ebb_env_item {
  36  int type;
  37  const char *field;
  38  int field_length;
  39  const char *value;
  40  int value_length;
  41 };
  42
  43 struct ebb_client {
  44   EBB_TCP_COMMON
  45   char *ip;
  46   unsigned int in_use : 1;
  47
  48   ebb_server *server;
  49   http_parser parser;
  50
  51   char *request_buffer;
  52   ev_io read_watcher;
  53   size_t read, nread_from_body;
  54
  55   char *upload_filename;
  56   FILE *upload_file;
  57
  58   ev_io write_watcher;
  59   GString *response_buffer;
  60   size_t written;
  61
  62   ev_timer timeout_watcher;
  63   unsigned int keep_alive : 1;
  64   unsigned int status_written : 1;
  65   unsigned int headers_written : 1;
  66   unsigned int body_written : 1;
  67
  68   /* the ENV structure */
  69   int env_size;
  70   struct ebb_env_item env[EBB_MAX_ENV];
  71 };
  72
  73 /*** Ebb Server ***/
  74
  75 typedef void (*ebb_request_cb)(ebb_client*, void*);
  76
  77 ebb_server* ebb_server_alloc(void);
  78 void ebb_server_free(ebb_server*);
  79 void ebb_server_init( ebb_server *server
  80                     , struct ev_loop *loop
  81                     , ebb_request_cb request_cb
  82                     , void *request_cb_data
  83                     );
  84 int ebb_server_listen_on_fd(ebb_server*, const int sfd);
  85 int ebb_server_listen_on_port(ebb_server*, const int port);
  86 int ebb_server_listen_on_socket(ebb_server*, const char *socketpath);
  87 void ebb_server_unlisten(ebb_server*);
  88
  89 struct ebb_server {
  90   EBB_TCP_COMMON
  91   char *port;
  92   char *socketpath;
  93   ev_io request_watcher;
  94   ebb_client clients[EBB_MAX_CLIENTS];
  95   struct ev_loop *loop;
  96   void *request_cb_data;
  97   ebb_request_cb request_cb;
  98 };
  99
 100 #endif