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root/proj/trunk/Search/HttpHandler.cpp

Comparing trunk/Search/HttpHandler.cpp (file contents):
Revision 1 by douglas, 2002-12-04T20:22:59-08:00 vs.
Revision 14 by douglas, 2002-12-07T00:19:03-08:00

#	Line 50 | Line 50
50
51		#include "HttpHandler.h"
52
53	–	#ifdef _WIN32
54	–	#define PATH_SEPARATOR "\\"
55	–	#define ENV_SEPARATOR ';'
56	–	#else
57	–	#define PATH_SEPARATOR "/"
58	–	#define ENV_SEPARATOR ':'
59	–	#endif
60	–
53		HttpHandler::HttpHandler()
54		{
55	<	string arguments = "(Ljava/lang/String;ILjava/lang/String;Ljava/lang/Strin"
64	<	+ string("g;Ljava/lang/String;)Ljava/lang/String;");
55	>	buffer = new char[BUFSIZ + 1];
56
57	<	begin = 0;
58	<
59	<	setJarPath();
57	>	#ifdef _WIN32
58	>	if (WSAStartup(MAKEWORD(2, 0), &data) != 0)
59	>	{
60	>	error(program + ": WSAStartup()");
61	>	exit(1);
62	>	}
63	>	#endif // _WIN32
64
65	<	//      options[0].optionString = jarPath;
71	<	//      memset(&vm_args, 0, sizeof (vm_args));
72	<	//      vm_args.version = JNI_VERSION_1_4;
73	<	//      vm_args.nOptions = 1;
74	<	//      vm_args.options = options;
75	<
76	<	//      status = JNI_CreateJavaVM(&jvm, (void**)&env, &vm_args);
77	<
78	<	//      if (status != JNI_ERR)
79	<	//      {
80	<	//              cls = env->FindClass("HttpConnector");
81	<
82	<	//              if (cls != 0)
83	<	//              {
84	<	//                      mid = env->GetStaticMethodID(cls, "connect", arguments.c_str());
85	<	//              }
86	<	//      }
65	>	begin = 0;
66		}
67
68		HttpHandler::~HttpHandler()
69		{
70	<	//      if (status != JNI_ERR)
92	<	//      {
93	<	//              jvm->DestroyJavaVM();
94	<	//      }
70	>	delete [] buffer;
71
72	<	//      delete [] jarPath;
72	>	#ifdef _WIN32
73	>	WSACleanup();
74	>	#endif // _WIN32
75		}
76
77	<	bool HttpHandler::connect(URL& url)
77	>	bool HttpHandler::handle(URL &url, bool head)
78		{
79		bool answer = false;
80
81	<	//      if (status != JNI_ERR)
82	<	//      {
83	<	//              if (cls != 0)
84	<	//              {
85	<	//                      if (mid != 0)
86	<	//                      {
87	<	//                              jstring addressJ = env->NewStringUTF(url.getAddress().c_str());
88	<	//                              jint portJ = url.getPort();
89	<	//                              jstring pathJ = env->NewStringUTF(url.getPath().c_str());
90	<	//                              jstring programNameJ = env->NewStringUTF(programName.c_str());
91	<	//                              jstring programVersionJ =
92	<	//                                      env->NewStringUTF(programVersion.c_str());
93	<
94	<	//                              jstring pageJ = (jstring)env->CallStaticObjectMethod(cls, mid,
95	<	//                                      addressJ, portJ, pathJ, programNameJ, programVersionJ);
96	<
97	<	//                              const char* pageC = env->GetStringUTFChars(pageJ, 0);
98	<	//                              page = pageC;
99	<	//                              env->ReleaseStringUTFChars(pageJ, pageC);
100	<
101	<	//                              if (page != "unknown host\n" && page != "io exception\n" &&
102	<	//                                      page != "bad headers\n") answer = true;
103	<	//                      }
104	<	//              }
105	<	//      }
81	>	if ((http = socket(PF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
82	>	{
83	>	error(program + ": Socket");
84	>	exit(1);
85	>	}
86	>
87	>	sockaddr_in address;
88	>	hostent* host;
89	>
90	>	address.sin_family = AF_INET;
91	>
92	>	if ((host = gethostbyname(url.getAddress().c_str())) == NULL)
93	>	{
94	>	error(program + ": Host: " + url.getAddress(), true);
95	>	return answer;
96	>	}
97	>
98	>	address.sin_addr = *((in_addr*)*host->h_addr_list);
99	>	address.sin_port = htons(url.getPort());
100	>
101	>	if (connect(http, (sockaddr*)&address, sizeof(sockaddr_in)) ==
102	>	SOCKET_ERROR)
103	>	{
104	>	error(program + ": Connect");
105	>	return answer;
106	>	}
107	>
108	>	if (head)
109	>	{
110	>	putline("HEAD " + url.getPath() + " HTTP/1.1");
111	>	}
112	>	else
113	>	{
114	>	putline("GET " + url.getPath() + " HTTP/1.1");
115	>	}
116	>
117	>	putline("Accept: text/html; text/plain");
118	>	putline("User-Agent: " + agent(true) + ' ' + platform());
119	>
120	>	if (url.getPort() == 80)
121	>	{
122	>	putline("Host: " + url.getAddress());
123	>	}
124	>	else
125	>	{
126	>	char* port = new char[1024];
127	>	sprintf(port, "%u", url.getPort());
128	>
129	>	putline("Host: " + url.getAddress() + ':' + port);
130	>
131	>	delete [] port;
132	>	}
133	>
134	>	putline();
135
136		return answer;
137		}
#	Line 175 | Line 182 | void HttpHandler::clear()
182		page = "";
183		}
184
185	<	void HttpHandler::setJarPath()
185	>	void HttpHandler::putline(const string line)
186		{
187	<	const string jarFile = "HttpConnector.jar";
188	<	string jarFilePath = jarFile;
187	>	sprintf(buffer, "%s\r\n", line.c_str());
188	>	if (send(http, buffer, strlen(buffer), 0) == SOCKET_ERROR)
189	>	{
190	>	error(program + ": Send");
191	>	exit(1);
192	>	}
193	>	}
194	>
195	>	void HttpHandler::error(const string prefix, bool host)
196	>	{
197	>	#ifdef _WIN32
198	>	string error;
199
200	<	ifstream fin(jarFilePath.c_str());
184	<	if (!fin.is_open())
200	>	switch (WSAGetLastError())
201		{
202	<	unsigned end = program.rfind(PATH_SEPARATOR);
203	<	if (end != string::npos)
204	<	{
205	<	string path = program.substr(0, end);
206	<
207	<	jarFilePath = path + PATH_SEPARATOR + jarFile;
208	<
209	<	fin.open(jarFilePath.c_str());
210	<	if (!fin.is_open())
211	<	{
212	<	cerr << program << ": Could not find required file: "
213	<	<< jarFile << "\n";
214	<	exit(1);
215	<	}
216	<	else
217	<	{
218	<	fin.close();
219	<	}
220	<	}
221	<	else
222	<	{
223	<	string envPath = getenv("PATH");
224	<
225	<	if (debug) cerr << "envPath = " << envPath << "\n";
226	<
227	<	unsigned begin = 0;
228	<	do
229	<	{
230	<	unsigned end = envPath.find(ENV_SEPARATOR, begin);
231	<	string path = envPath.substr(begin, end);
232	<
233	<	if (debug) cerr << "path = " << path << "\n";
234	<
235	<	jarFilePath = path + PATH_SEPARATOR + jarFile;
236	<
237	<	fin.open(jarFilePath.c_str());
238	<	if (fin.is_open())
239	<	{
240	<	fin.close();
241	<	break;
242	<	}
243	<
244	<	begin = end != string::npos ? end + 1 : string::npos;
245	<	}
246	<	while (begin < envPath.length());
247	<
248	<	if (begin == string::npos)
249	<	{
250	<	cerr << program << ": Could not find required file: "
251	<	<< jarFile << "\n";
252	<	exit(1);
253	<	}
254	<	}
202	>	case WSAEACCES:
203	>	error = "Permission denied.";
204	>	break;
205	>	case WSAEADDRINUSE:
206	>	error = "Address already in use.";
207	>	break;
208	>	case WSAEADDRNOTAVAIL:
209	>	error = "Cannot assign requested address.";
210	>	break;
211	>	case WSAEAFNOSUPPORT:
212	>	error = "Address family not supported by protocol family.";
213	>	break;
214	>	case WSAEALREADY:
215	>	error = "Operation already in progress.";
216	>	break;
217	>	case WSAECONNABORTED:
218	>	error = "Software caused connection abort.";
219	>	break;
220	>	case WSAECONNREFUSED:
221	>	error = "Connection refused.";
222	>	break;
223	>	case WSAECONNRESET:
224	>	error = "Connection reset by peer.";
225	>	break;
226	>	case WSAEDESTADDRREQ:
227	>	error = "Destination address required.";
228	>	break;
229	>	case WSAEFAULT:
230	>	error = "Bad address.";
231	>	break;
232	>	case WSAEHOSTDOWN:
233	>	error = "Host is down.";
234	>	break;
235	>	case WSAEHOSTUNREACH:
236	>	error = "No route to host.";
237	>	break;
238	>	case WSAEINPROGRESS:
239	>	error = "Operation now in progress.";
240	>	break;
241	>	case WSAEINTR:
242	>	error = "Interrupted function call.";
243	>	break;
244	>	case WSAEINVAL:
245	>	error = "Invalid argument.";
246	>	break;
247	>	case WSAEISCONN:
248	>	error = "Socket is already connected.";
249	>	break;
250	>	case WSAEMFILE:
251	>	error = "Too many open files.";
252	>	break;
253	>	case WSAEMSGSIZE:
254	>	error = "Message too long.";
255	>	break;
256	>	case WSAENETDOWN:
257	>	error = "Network is down.";
258	>	break;
259	>	case WSAENETRESET:
260	>	error = "Network dropped connection on reset.";
261	>	break;
262	>	case WSAENETUNREACH:
263	>	error = "Network is unreachable.";
264	>	break;
265	>	case WSAENOBUFS:
266	>	error = "No buffer space available.";
267	>	break;
268	>	case WSAENOPROTOOPT:
269	>	error = "Bad protocol option.";
270	>	break;
271	>	case WSAENOTCONN:
272	>	error = "Socket is not connected.";
273	>	break;
274	>	case WSAENOTSOCK:
275	>	error = "Socket operation on non-socket.";
276	>	break;
277	>	case WSAEOPNOTSUPP:
278	>	error = "Operation not supported.";
279	>	break;
280	>	case WSAEPFNOSUPPORT:
281	>	error = "Protocol family not supported.";
282	>	break;
283	>	case WSAEPROCLIM:
284	>	error = "Too many processes.";
285	>	break;
286	>	case WSAEPROTONOSUPPORT:
287	>	error = "Protocol not supported.";
288	>	break;
289	>	case WSAEPROTOTYPE:
290	>	error = "Protocol wrong type for socket.";
291	>	break;
292	>	case WSAESHUTDOWN:
293	>	error = "Cannot send after socket shutdown.";
294	>	break;
295	>	case WSAESOCKTNOSUPPORT:
296	>	error = "Socket type not supported.";
297	>	break;
298	>	case WSAETIMEDOUT:
299	>	error = "Connection timed out.";
300	>	break;
301	>	case WSATYPE_NOT_FOUND:
302	>	error = "Class type not found.";
303	>	break;
304	>	case WSAEWOULDBLOCK:
305	>	error = "Resource temporarily unavailable.";
306	>	break;
307	>	case WSAHOST_NOT_FOUND:
308	>	error = "Host not found.";
309	>	break;
310	>	case WSA_INVALID_HANDLE:
311	>	error = "Specified event object handle is invalid.";
312	>	break;
313	>	case WSA_INVALID_PARAMETER:
314	>	error = "One or more parameters are invalid.";
315	>	break;
316	>	//      case WSAINVALIDPROCTABLE:
317	>	//              error = "Invalid procedure table from service provider.";
318	>	//              break;
319	>	//      case WSAINVALIDPROVIDER:
320	>	//              error = "Invalid service provider version number.";
321	>	//              break;
322	>	case WSA_IO_INCOMPLETE:
323	>	error = "Overlapped I/O event object not in signaled state.";
324	>	break;
325	>	case WSA_IO_PENDING:
326	>	error = "Overlapped operations will complete later.";
327	>	break;
328	>	case WSA_NOT_ENOUGH_MEMORY:
329	>	error = "Insufficient memory available.";
330	>	break;
331	>	case WSANOTINITIALISED:
332	>	error = "Successful WSAStartup not yet performed.";
333	>	break;
334	>	case WSANO_DATA:
335	>	error = "Valid name, no data record of requested type.";
336	>	break;
337	>	case WSANO_RECOVERY:
338	>	error = "This is a non-recoverable error.";
339	>	break;
340	>	//      case WSAPROVIDERFAILEDINIT:
341	>	//              error = "Unable to initialize a service provider.";
342	>	//              break;
343	>	case WSASYSCALLFAILURE:
344	>	error = "System call failure.";
345	>	break;
346	>	case WSASYSNOTREADY:
347	>	error = "Network subsystem is unavailable.";
348	>	break;
349	>	case WSATRY_AGAIN:
350	>	error = "Non-authoritative host not found.";
351	>	break;
352	>	case WSAVERNOTSUPPORTED:
353	>	error = "WINSOCK.DLL version out of range.";
354	>	break;
355	>	case WSAEDISCON:
356	>	error = "Graceful shutdown in progress.";
357	>	break;
358	>	case WSA_OPERATION_ABORTED:
359	>	error = "Overlapped operation aborted.";
360	>	break;
361	>	default:
362	>	error = "Unknown error.";
363	>	break;
364	>	}
365	>
366	>	cerr << prefix << ": " << error << "\n";
367	>	#else
368	>	if (host)
369	>	{
370	>	herror(prefix.c_str());
371		}
372		else
373		{
374	<	fin.close();
374	>	perror(prefix.c_str());
375		}
376	<
245	<	string jarPath = "-Djava.class.path=" + jarFilePath;
246	<
247	<	//      this->jarPath = new char[jarPath.length()];
248	<	//      strcpy(this->jarPath, jarPath.c_str());
376	>	#endif // _WIN32
377		}

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