src/jserver/jserver-c_session.h

   1 #define _GNU_SOURCE
   2
   3 #include "utils.h"
   4 #include "logging.h"
   5
   6 #include <stdio.h>
   7 #include <string.h>
   8
   9 #include <libxml/globals.h>
  10 #include <libxml/xmlerror.h>
  11 #include <libxml/parser.h>
  12 #include <libxml/parserInternals.h> /* only for xmlNewInputFromFile() */
  13 #include <libxml/tree.h>
  14 #include <libxml/debugXML.h>
  15 #include <libxml/xmlmemory.h>
  16
  17
  18 /* session states */
  19 #define JABBER_STATE_CONNECTED                  2
  20 #define JABBER_STATE_CONNECTING                 4
  21 #define JABBER_STATE_IN_MESSAGE                 8
  22
  23
  24 struct jserver_session_struct {
  25
  26         /* our connection state */
  27         unsigned int state;
  28
  29         /* incoming XML is parsed with the SAX parser */
  30         xmlParserCtxtPtr parser_ctxt;
  31
  32         /* incoming message are shoved into this DOM doc after they are parsed */
  33         xmlDocPtr current_msg;
  34
  35         /* we have to grab off the from and to for routing */
  36         char* current_to;
  37         char* current_from;
  38
  39         char* current_domain;
  40         char* current_resource;
  41         char* current_username;
  42
  43         int in_iq;
  44         int in_uname;
  45         int in_resource;
  46
  47         void* blob; /* callback blob - can be anything that needs passing around */
  48         void (*on_msg_complete) (void* blob, char* msg_xml, char* from, char* to );
  49
  50         /* happens after someone logs in and we've pieced together the from address */
  51         void (*on_from_discovered) (void* blob, char* from );
  52         void (*on_login_init) (void* blob, char* reply );
  53         void (*on_login_ok) (void* blob);
  54         void (*on_client_finish) (void* blob);
  55
  56 };
  57 typedef struct jserver_session_struct jserver_session;
  58
  59
  60 jserver_session* jserver_session_init();
  61 void jserver_session_free(jserver_session* session);
  62 char* sax_xml_attr( const xmlChar** atts, char* attr_name );
  63 int jserver_session_push_data(jserver_session* session, char* data);
  64
  65 void dom_add_attrs(xmlNodePtr node, const xmlChar** atts);
  66 char* _xml_to_string( xmlDocPtr doc );
  67
  68
  69 // ---------------------------------------------------------------------------------
  70 // Our SAX handlers
  71 // ---------------------------------------------------------------------------------
  72 void sax_start_element(
  73                 void *session, const xmlChar *name, const xmlChar **atts);
  74
  75 void sax_end_element( void* blob, const xmlChar *name);
  76
  77 void sax_start_doc(void* blob);
  78 //void sax_end_doc(void* blob);
  79
  80 void sax_character( void* blob, const xmlChar *ch, int len);
  81
  82 void  sax_warning( void* blob, const char* msg, ... );
  83
  84 static xmlSAXHandler sax_handler_struct = {
  85    NULL,                                                /* internalSubset */
  86    NULL,                                                /* isStandalone */
  87    NULL,                                                /* hasInternalSubset */
  88    NULL,                                                /* hasExternalSubset */
  89    NULL,                                                /* resolveEntity */
  90    NULL,                                                /* getEntity */
  91    NULL,                                                /* entityDecl */
  92    NULL,                                                /* notationDecl */
  93    NULL,                                                /* attributeDecl */
  94    NULL,                                                /* elementDecl */
  95    NULL,                                                /* unparsedEntityDecl */
  96    NULL,                                                /* setDocumentLocator */
  97    sax_start_doc,                       /* startDocument */
  98    NULL,                                                /* endDocument */
  99         sax_start_element,      /* startElement */
 100         sax_end_element,                /* endElement */
 101    NULL,                                                /* reference */
 102         sax_character,                  /* characters */
 103    NULL,                                                /* ignorableWhitespace */
 104    NULL,                                                /* processingInstruction */
 105    NULL,                                                /* comment */
 106    sax_warning,                 /* xmlParserWarning */
 107    sax_warning,                 /* xmlParserError */
 108    NULL,                                                /* xmlParserFatalError : unused */
 109    NULL,                                                /* getParameterEntity */
 110    NULL,                                                /* cdataBlock; */
 111    NULL,                                                /* externalSubset; */
 112    1,
 113    NULL,
 114    NULL,                                                /* startElementNs */
 115    NULL,                                                /* endElementNs */
 116         NULL                                            /* xmlStructuredErrorFunc */
 117 };
 118
 119 static const xmlSAXHandlerPtr sax_handler = &sax_handler_struct;