Annotation of Amaya/amaya/libwww.h, revision 1.4
1.1 cvs 1: /*
2: *
3: * (c) COPYRIGHT MIT and INRIA, 1996.
4: * Please first read the full copyright statement in file COPYRIGHT.
5: *
6: */
7:
8: #ifndef AMAYA_LIBWWW_H
9: #define AMAYA_LIBWWW_H
10:
11: #include "WWWLib.h"
12: #include "WWWApp.h"
13: #include "WWWHTTP.h"
14: #include "WWWInit.h"
15: #include "HTReqMan.h"
16: #include "HTReq.h"
17: #include "HTAncMan.h"
18: #include "HTAccess.h"
19: #include "HTEvntrg.h"
20: #include "HTAlert.h"
21: #include "HTNetMan.h"
22: #include "HTBInit.h"
23: #include "WWWHTTP.h" /* HTTP access module */
24: #include "HTProxy.h"
25:
26: typedef struct _AHTDocIdStatus
27: {
28: int docid; /* a docid */
29: int counter; /* number of open requests associated with dicid */
30: }
31: AHTDocId_Status;
32:
33:
34: typedef struct __AmayaContext
35: {
36: HTList *reqlist; /* List of current requests */
37: HTList *docid_status; /* Status for each active docid */
38: int open_requests; /* number of open requests */
39: }
40: AmayaContext;
41:
42: /* the possible states for a request */
43:
44: typedef enum _AHTReqStatus
45: {
46: HT_NEW = 0, /* new request */
47: HT_NEW_PENDING = 1, /* new request, waiting for a socket */
48: HT_WAITING = 2, /* active request, waiting for socket events */
49: HT_BUSY = 4, /* the request is currently being processed */
50: HT_END = 8, /* the request has ended */
51: HT_ABORT = 16, /* user aborted the request */
52: HT_ERR = 32 /* an error happened during the request */
53: }
54: AHTReqStatus;
55:
56: #ifdef _WINDOWS
57: typedef int XtInputId;
58: #endif
59:
60: /* The structure used for requests */
61:
62: typedef void TIcbf (void *request_context, const char *data_block, int data_block_size, int request_status);
63:
64: typedef void TTcbf (void *request_context, int request_status);
65:
66: typedef struct _AHTReqContext
67: {
68: HTRequest *request; /* Pointer to the associated request object */
69: HTParentAnchor *anchor;
70: HTMethod method; /* What method are we envoking */
71: int docid; /* docid to which this request belongs */
72: AHTReqStatus reqStatus; /* status of the request */
73: SockOps read_ops; /* The ops operation which must be used during
74: ** an Xt read callback */
75:
76: SockOps write_ops; /* The ops operation which must be used during
77: ** an Xt write callback */
78:
79: SockOps except_ops; /* The ops operation which must be used during
80: ** an Xt exception callback */
81:
82: #ifdef WWW_XWINDOWS
83: XtInputId read_xtinput_id; /* The read xt event id assocciated with
84: the request */
85: XtInputId write_xtinput_id; /* The write xt event id assocciated with
86: the request */
87: XtInputId except_xtinput_id; /* The except xt event id assocciated with
88: the request */
89: #endif /* WWW_XWINDOWS */
90:
91: /*** Experimental ****/
92: SOCKET read_sock; /* read socket associated with the request */
93: SOCKET write_sock; /* write socket associated with the request */
94: SOCKET except_sock; /* except socket associated with the request */
1.3 cvs 95: #ifdef _WINDOWS_ASYNC___
1.2 cvs 96: int read_fd_state; /* gives the current state of the sockets */
97: int write_fd_state; /* gives the current state of the sockets */
98: int except_fd_state; /* gives the current state of the sockets */
1.3 cvs 99: #endif /* _WINDOWS_ASYNC___ */
1.1 cvs 100: /*** End of experimental stuff ****/
101:
102: char *outputfile; /* file to receive incoming data */
103: FILE *output; /* file pointer to outputfile */
104: int mode; /* Mode of request: SYNC/ASYNC/IASYNC/FORM POST/FORM GET */
105: char *urlName; /* url to retrieve/or that was retrieved */
106: char status_urlName [MAX_LENGTH]; /* url name to be displayed on the status bar */
107: TIcbf *incremental_cbf; /* For IASYNC mode, @ of callback function */
108: /* It'll be called each time a new data package */
109: /* is received */
110: void *context_icbf; /* Context for the above cbf */
111: TTcbf *terminate_cbf; /* optional CBF which will be invoked after */
112: /* a file has been received */
113: void *context_tcbf; /* Context for the above cbf */
114:
115: /* The following elements are used for the PUT and POST */
116:
117: HTParentAnchor *dest; /* Destination for PUT etc. */
118: unsigned long block_size; /* size in bytes of the file to put */
119: int put_counter; /* number of bytes already put */
120: char *mem_ptr; /* ptr to a struct in mem which contains a copy */
121: /* of the file to put */
122: char *error_stream; /* pointer to an error message associated with the
123: request */
124: int error_stream_size; /* size of the above message */
125: boolean error_html; /* If TRUE, means the applications wants to display
126: error_stream. If false, error_stream is not
127: displayed at all */
128: }
129: AHTReqContext;
130:
1.4 ! cvs 131: THOT_EXPORT char AmayaLastHTTPErrorMsg [MAX_LENGTH];
1.1 cvs 132: THOT_EXPORT HTList *conv; /* List of global converters */
133: THOT_EXPORT AmayaContext *Amaya; /* Amaya's request global context */
134:
135: #endif /* AMAYA_LIBWWW_H */
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