00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018
00019
00020
00021
00022
00023
00024
00025
00026
00027
00028
00029
00030
00031
00032 #ifndef _dodsfilter_h
00033 #define _dodsfilter_h
00034
00035 #include <string>
00036
00037 #ifndef _das_h
00038 #include "DAS.h"
00039 #endif
00040
00041 #ifndef _dds_h
00042 #include "DDS.h"
00043 #endif
00044
00045 #ifndef constraint_evaluator_h
00046 #include "ConstraintEvaluator.h"
00047 #endif
00048
00049 #define FILE_METHODS 1
00050
00051 namespace libdap
00052 {
00053
00080 class DODSFilter
00081 {
00082 public:
00084 enum Response {
00085 Unknown_Response,
00086 DAS_Response,
00087 DDS_Response,
00088 DataDDS_Response,
00089 DDX_Response,
00090 DataDDX_Response,
00091 BLOB_Response,
00092 Version_Response
00093 };
00094
00095 protected:
00096 bool d_comp;
00097 bool d_bad_options;
00098 bool d_conditional_request;
00099
00100 string d_program_name;
00101 string d_dataset;
00102 string d_ce;
00103 string d_cgi_ver;
00104 string d_anc_dir;
00105 string d_anc_file;
00106 string d_cache_dir;
00107 string d_url;
00108
00109 Response d_response;
00110 string d_action;
00111
00112 int d_timeout;
00113
00114 time_t d_anc_das_lmt;
00115 time_t d_anc_dds_lmt;
00116 time_t d_if_modified_since;
00117
00118 void initialize();
00119 void initialize(int argc, char *argv[]);
00120
00121 virtual int process_options(int argc, char *argv[]);
00122
00123 public:
00131 DODSFilter()
00132 {
00133 initialize();
00134 }
00135 DODSFilter(int argc, char *argv[]) throw(Error);
00136
00137 virtual ~DODSFilter();
00138
00139 virtual bool is_conditional() const;
00140
00141 virtual string get_cgi_version() const;
00142 virtual void set_cgi_version(string version);
00143
00144 virtual string get_ce() const;
00145 virtual void set_ce(string _ce);
00146
00147 virtual string get_dataset_name() const;
00148 virtual void set_dataset_name(const string _dataset);
00149
00150 virtual string get_URL() const;
00151 virtual void set_URL(const string &url);
00152
00153 virtual string get_dataset_version() const;
00154
00155 virtual Response get_response() const;
00156 virtual string get_action() const;
00157 virtual void set_response(const string &r);
00158
00159 virtual time_t get_dataset_last_modified_time() const;
00160
00161 virtual time_t get_das_last_modified_time(const string &anc_location = "") const;
00162
00163 virtual time_t get_dds_last_modified_time(const string &anc_location = "") const;
00164
00165 virtual time_t get_data_last_modified_time(const string &anc_location = "") const;
00166
00167 virtual time_t get_request_if_modified_since() const;
00168
00169 virtual string get_cache_dir() const;
00170
00171 void set_timeout(int timeout = 0);
00172
00173 int get_timeout() const;
00174
00175 virtual void establish_timeout(ostream &stream) const;
00176
00177 virtual void print_usage() const;
00178
00179 virtual void send_version_info() const;
00180
00181 virtual void send_das(DAS &das, const string &anc_location = "",
00182 bool with_mime_headers = true) const;
00183 virtual void send_das(ostream &out, DAS &das, const string &anc_location = "",
00184 bool with_mime_headers = true) const;
00185
00186 virtual void send_dds(DDS &dds, ConstraintEvaluator &eval,
00187 bool constrained = false,
00188 const string &anc_location = "",
00189 bool with_mime_headers = true) const;
00190 virtual void send_dds(ostream &out, DDS &dds, ConstraintEvaluator &eval,
00191 bool constrained = false,
00192 const string &anc_location = "",
00193 bool with_mime_headers = true) const;
00194 virtual void functional_constraint(BaseType &var, DDS &dds,
00195 ConstraintEvaluator &eval, ostream &out) const;
00196 virtual void dataset_constraint(DDS &dds, ConstraintEvaluator &eval,
00197 ostream &out) const;
00198 virtual void dataset_constraint_ddx(DDS & dds, ConstraintEvaluator & eval,
00199 ostream &out, const string &boundary,
00200 const string &start) const;
00201
00202 virtual void send_data(DDS &dds, ConstraintEvaluator &eval,
00203 ostream &data_stream,
00204 const string &anc_location = "",
00205 bool with_mime_headers = true) const;
00206 virtual void send_ddx(DDS &dds, ConstraintEvaluator &eval, ostream &out,
00207 bool with_mime_headers = true) const;
00208 virtual void send_data_ddx(DDS &dds, ConstraintEvaluator &eval,
00209 ostream &data_stream, const string &start,
00210 const string &boundary,
00211 const string &anc_location = "",
00212 bool with_mime_headers = true) const;
00213
00214 #if FILE_METHODS
00215 virtual void establish_timeout(FILE *stream) const;
00216 virtual void send_das(FILE *out, DAS &das, const string &anc_location = "",
00217 bool with_mime_headers = true) const;
00218 virtual void send_dds(FILE *out, DDS &dds, ConstraintEvaluator &eval,
00219 bool constrained = false,
00220 const string &anc_location = "",
00221 bool with_mime_headers = true) const;
00222 virtual void functional_constraint(BaseType &var, DDS &dds,
00223 ConstraintEvaluator &eval, FILE *out) const;
00224 virtual void dataset_constraint(DDS &dds, ConstraintEvaluator &eval,
00225 FILE *out) const;
00226 virtual void send_data(DDS &dds, ConstraintEvaluator &eval,
00227 FILE *data_stream,
00228 const string &anc_location = "",
00229 bool with_mime_headers = true) const;
00230 virtual void send_ddx(DDS &dds, ConstraintEvaluator &eval, FILE *out,
00231 bool with_mime_headers = true) const;
00232 #endif
00233 };
00234
00235 }
00236
00237 #endif // _dodsfilter_h