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HttpdSocket Class ReferenceWeb server socket framework.
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Public Member Functions | |
HttpdSocket (ISocketHandler &) | |
~HttpdSocket () | |
void | OnFirst () |
Callback executes when first line has been received. | |
void | OnHeader (const std::string &key, const std::string &value) |
For each header line this callback is executed. | |
void | OnHeaderComplete () |
Callback fires when all http headers have been received. | |
void | OnData (const char *, size_t) |
Chunk of http body data recevied. | |
virtual void | Exec ()=0 |
This method needs to be implemented with logic to produce a response to an incoming request. | |
const std::string & | GetHttpDate () const |
Get current date in http rfc format. | |
HttpdCookies * | GetCookies () |
Get pointer to cookie class. | |
const HttpdForm * | GetForm () const |
Get pointer to query string/form data class. | |
Protected Member Functions | |
HttpdSocket (const HttpdSocket &s) | |
void | Send64 (const std::string &str64, const std::string &type) |
Decode and send a base64-encoded string. | |
std::string | datetime2httpdate (const std::string &dt) |
std::string | GetDate () |
void | Reset () |
Reset state of socket to sucessfully implement keep-alive. | |
Protected Attributes | |
std::string | m_http_cookie |
std::string | m_content_type |
std::string | m_content_length_str |
std::string | m_if_modified_since |
Private Member Functions | |
HttpdSocket & | operator= (const HttpdSocket &s) |
Private Attributes | |
size_t | m_content_length |
IFile * | m_file |
size_t | m_received |
int | m_request_id |
std::string | m_http_date |
HttpdCookies * | m_cookies |
HttpdForm * | m_form |
Static Private Attributes | |
static int | m_request_count = 0 |
static std::string | m_start = "" |
Definition at line 47 of file HttpdSocket.h.
HttpdSocket::HttpdSocket | ( | ISocketHandler & | ) |
Definition at line 50 of file HttpdSocket.cpp.
References datetime2httpdate(), GetDate(), m_http_date, and m_start.
00051 :HTTPSocket(h) 00052 ,m_content_length(0) 00053 ,m_file(NULL) 00054 ,m_received(0) 00055 ,m_request_id(++m_request_count) 00056 ,m_cookies(NULL) 00057 ,m_form(NULL) 00058 { 00059 m_http_date = datetime2httpdate(GetDate()); 00060 if (!m_start.size()) 00061 m_start = m_http_date; 00062 }
HttpdSocket::~HttpdSocket | ( | ) |
HttpdSocket::HttpdSocket | ( | const HttpdSocket & | s | ) | [inline, protected] |
void HttpdSocket::OnFirst | ( | ) | [virtual] |
Callback executes when first line has been received.
GetMethod, GetUrl/GetUri, and GetHttpVersion are valid when this callback is executed.
Implements HTTPSocket.
Definition at line 78 of file HttpdSocket.cpp.
void HttpdSocket::OnHeader | ( | const std::string & | key, | |
const std::string & | value | |||
) | [virtual] |
For each header line this callback is executed.
key | Http header name | |
value | Http header value |
Implements HTTPSocket.
Definition at line 83 of file HttpdSocket.cpp.
References m_content_length, m_content_length_str, m_content_type, m_http_cookie, and m_if_modified_since.
00084 { 00085 if (!strcasecmp(key.c_str(),"content-length")) 00086 { 00087 m_content_length = atoi(value.c_str()); 00088 m_content_length_str = value; 00089 } 00090 else 00091 if (!strcasecmp(key.c_str(),"cookie")) 00092 { 00093 m_http_cookie = value; 00094 } 00095 else 00096 if (!strcasecmp(key.c_str(),"content-type")) 00097 { 00098 m_content_type = value; 00099 } 00100 else 00101 if (!strcasecmp(key.c_str(),"if-modified-since")) 00102 { 00103 m_if_modified_since = value; 00104 } 00105 }
void HttpdSocket::OnHeaderComplete | ( | ) | [virtual] |
Callback fires when all http headers have been received.
Implements HTTPSocket.
Definition at line 108 of file HttpdSocket.cpp.
References HTTPSocket::AddResponseHeader(), datetime2httpdate(), Exec(), GetDate(), GetHttpDate(), HTTPSocket::GetMethod(), HTTPSocket::GetQueryString(), HTTPSocket::GetUri(), m_content_length_str, m_content_type, m_cookies, m_file, m_form, m_http_cookie, Reset(), Send64(), HTTPSocket::SendResponse(), Utility::SetEnv(), HTTPSocket::SetStatus(), and HTTPSocket::SetStatusText().
00109 { 00110 m_cookies = new HttpdCookies(m_http_cookie); 00111 00112 if (GetMethod() == "GET") 00113 { 00114 Utility::SetEnv("QUERY_STRING", GetQueryString()); 00115 } 00116 Utility::SetEnv("REQUEST_METHOD", GetMethod()); 00117 Utility::SetEnv("HTTP_COOKIE", m_http_cookie); 00118 Utility::SetEnv("CONTENT_TYPE", m_content_type); 00119 Utility::SetEnv("CONTENT_LENGTH", m_content_length_str); 00120 /* 00121 #if (defined(SOLARIS8) || defined(SOLARIS)) 00122 { 00123 char slask[TMPSIZE]; 00124 if (GetMethod() == "GET") 00125 { 00126 sprintf(slask,"QUERY_STRING=%s", GetQueryString().c_str()); 00127 putenv(slask); 00128 } 00129 sprintf(slask,"REQUEST_METHOD=%s", GetMethod().c_str()); 00130 putenv(slask); 00131 sprintf(slask,"HTTP_COOKIE=%s", m_http_cookie.c_str()); 00132 putenv(slask); 00133 sprintf(slask,"CONTENT_TYPE=%s", m_content_type.c_str()); 00134 putenv(slask); 00135 sprintf(slask,"CONTENT_LENGTH=%s", m_content_length_str.c_str()); 00136 putenv(slask); 00137 } 00138 #elif defined _WIN32 00139 { 00140 char slask[TMPSIZE]; 00141 if (GetMethod() == "GET") 00142 { 00143 sprintf(slask,"QUERY_STRING=%s", GetQueryString().c_str()); 00144 _putenv(slask); 00145 } 00146 sprintf(slask,"REQUEST_METHOD=%s", GetMethod().c_str()); 00147 _putenv(slask); 00148 sprintf(slask,"HTTP_COOKIE=%s", m_http_cookie.c_str()); 00149 _putenv(slask); 00150 sprintf(slask,"CONTENT_TYPE=%s", m_content_type.c_str()); 00151 _putenv(slask); 00152 sprintf(slask,"CONTENT_LENGTH=%s", m_content_length_str.c_str()); 00153 _putenv(slask); 00154 } 00155 #else 00156 if (GetMethod() == "GET") 00157 { 00158 setenv("QUERY_STRING", GetQueryString().c_str(), 1); 00159 } 00160 setenv("REQUEST_METHOD", GetMethod().c_str(), 1); 00161 setenv("HTTP_COOKIE", m_http_cookie.c_str(), 1); 00162 setenv("CONTENT_TYPE", m_content_type.c_str(), 1); 00163 setenv("CONTENT_LENGTH", m_content_length_str.c_str(), 1); 00164 #endif 00165 */ 00166 if (GetMethod() == "POST") 00167 { 00168 m_file = new MemFile; 00169 } 00170 else 00171 if (GetMethod() == "GET") 00172 { 00173 m_form = new HttpdForm(GetQueryString(), GetQueryString().size() ); 00174 AddResponseHeader("Date", datetime2httpdate(GetDate()) ); 00175 if (GetUri() == "/image") 00176 { 00177 std::string str64 = 00178 "iVBORw0KGgoAAAANSUhEUgAAAGAAAABeCAIAAABTioayAAAACXBIWXMAAABkAAAAZAAPlsXdAAAAUHRF" 00179 "WHRSYXcgcHJvZmlsZSB0eXBlIEFQUDEyAApnZW5lcmljIHByb2ZpbGUKICAgICAgMTUKNDQ3NTYzNmI3" 00180 "OTAwMDEwMDA0MDAwMDAwM2MwMDAwCg2F1B0AABb4SURBVHja7Xx7rGVXed/3WGs/zvPeuTPXMzbjcUpq" 00181 "HAwlpQlYoUlDaJsAiVuFFKSKGlUlKgXqIKJAKxfRR4IUZEpSt1FoQEK4oYQEErlSFAoKIEoo2BQasBmc" 00182 "2NjyYzxz5957Hnufvfd6fF//2Oecez2hvbXvmZkg3U9b556Zc85ea//291rf+n0bVRWO5P8udLUn8Jdd" 00183 "jgA6QI4AOkCOADpAjgA6QI4AOkCOADpAjgA6QI4AOkCOADpAjgA6QI4AOkCOADpAjgA6QMxVHHtfoUWx" 00184 "/dP+C5fvABGv4gwBAK9qPWg5NLbvrjIY302ujgapAmKrQQiqC3xAQQF0H1AIcyXSq4XeZdegfedfWs78" 00185 "jYKAAgDi3sVri4mqzH+D9DSTu+I2dyVNTEFRl34GUTUikiqotrgoAqqIAhBxqzj7ZocAighXWJUuI0Cq" 00186 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"P+3xefZyn7k/MqhtcjNXJ8KFNQG2vAVcphp7r6u8qMuB/b7esbYFF1RVZb5vFURk7nsIVEV0uaEluFeraAFibJkuS+Rg8bnuux8rYwNdIYBgX/chwDy2qMCCM4xz" 00257 "y4I2c95rFtzPN1jokS42BeZnJmrLKC0ul8XvXAmAYMlZaiGY3+TWHWP7CIa9msBfmALCHJe9dcjyKRZIl7SqfI+1hV+CUXu5oHvE8z2a9SJz0Zb7vO/JHrjvKRSL" 00258 "h5vsQ2+Oy+Wb+JUC6LuAden47Wf/HxO9Igb1Xca9ks8PWjjvxXV+F7X4f/12/sUrC9KVfsDSpcPtIbX/sq+aQf1FubpPoPoekKOHvB0gRwAdIEcAHSBHAB0gRwAd" 00259 "IEcAHSBHAB0gRwAdIEcAHSBHAB0gRwAdIP8HqHccFP4Rq4QAAAAASUVORK5CYII="; 00260 Send64(str64, "image/png"); 00261 } 00262 else 00263 { 00264 Exec(); 00265 } 00266 Reset(); // prepare for next request 00267 } 00268 else 00269 { 00270 AddResponseHeader("Date", GetHttpDate()); 00271 AddResponseHeader("Connection", "close"); 00272 SetStatus("405"); 00273 SetStatusText("Method not allowed"); 00274 SendResponse(); 00275 } 00276 }
void HttpdSocket::OnData | ( | const char * | , | |
size_t | ||||
) | [virtual] |
Chunk of http body data recevied.
Implements HTTPSocket.
Definition at line 279 of file HttpdSocket.cpp.
References HTTPSocket::AddResponseHeader(), datetime2httpdate(), Exec(), GetDate(), HTTPSocket::GetUri(), m_content_length, m_content_type, m_file, m_form, m_received, Reset(), and Send64().
00280 { 00281 if (m_file) 00282 { 00283 m_file -> fwrite(p,1,l); 00284 } 00285 m_received += l; 00286 if (m_received >= m_content_length && m_content_length) 00287 { 00288 // all done 00289 if (m_file && !m_form) 00290 { 00291 m_form = new HttpdForm(m_file, m_content_type, m_content_length); 00292 AddResponseHeader("Date", datetime2httpdate(GetDate()) ); 00293 if (GetUri() == "/image") 00294 { 00295 std::string str64 = 00296 "iVBORw0KGgoAAAANSUhEUgAAAGAAAABeCAIAAABTioayAAAACXBIWXMAAABkAAAAZAAPlsXdAAAAUHRF" 00297 "WHRSYXcgcHJvZmlsZSB0eXBlIEFQUDEyAApnZW5lcmljIHByb2ZpbGUKICAgICAgMTUKNDQ3NTYzNmI3" 00298 "OTAwMDEwMDA0MDAwMDAwM2MwMDAwCg2F1B0AABb4SURBVHja7Xx7rGVXed/3WGs/zvPeuTPXMzbjcUpq" 00299 "HAwlpQlYoUlDaJsAiVuFFKSKGlUlKgXqIKJAKxfRR4IUZEpSt1FoQEK4oYQEErlSFAoKIEoo2BQasBmc" 00300 "2NjyYzxz5957Hnufvfd6fF//2Oecez2hvbXvmZkg3U9b556Zc85ea//291rf+n0bVRWO5P8udLUn8Jdd" 00301 "jgA6QI4AOkCOADpAjgA6QI4AOkCOADpAjgA6QI4AOkCOADpAjgA6QI4AOkCOADpAjgA6QMxVHHtfoUWx" 00302 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virtual void HttpdSocket::Exec | ( | ) | [pure virtual] |
This method needs to be implemented with logic to produce a response to an incoming request.
Referenced by OnData(), and OnHeaderComplete().
const std::string & HttpdSocket::GetHttpDate | ( | ) | const |
Get current date in http rfc format.
Definition at line 504 of file HttpdSocket.cpp.
References m_http_date.
Referenced by OnHeaderComplete().
00505 { 00506 return m_http_date; 00507 }
HttpdCookies * HttpdSocket::GetCookies | ( | ) |
Get pointer to cookie class.
Definition at line 510 of file HttpdSocket.cpp.
References m_cookies.
00511 { 00512 return m_cookies; 00513 }
const HttpdForm * HttpdSocket::GetForm | ( | ) | const |
Get pointer to query string/form data class.
Definition at line 516 of file HttpdSocket.cpp.
References m_form.
00517 { 00518 return m_form; 00519 }
void HttpdSocket::Send64 | ( | const std::string & | str64, | |
const std::string & | type | |||
) | [protected] |
Decode and send a base64-encoded string.
str64 | Base64-encoded string | |
type | Mime type of content (content-type header) |
Definition at line 390 of file HttpdSocket.cpp.
References HTTPSocket::AddResponseHeader(), Base64::decode(), Base64::decode_length(), Utility::l2string(), m_if_modified_since, m_start, TcpSocket::SendBuf(), HTTPSocket::SendResponse(), HTTPSocket::SetStatus(), and HTTPSocket::SetStatusText().
Referenced by OnData(), and OnHeaderComplete().
00391 { 00392 Base64 bb; 00393 00394 if (!strcasecmp(m_start.c_str(), m_if_modified_since.c_str())) 00395 { 00396 SetStatus("304"); 00397 SetStatusText("Not Modified"); 00398 SendResponse(); 00399 } 00400 else 00401 { 00402 size_t len = bb.decode_length(str64); 00403 unsigned char *buf = new unsigned char[len]; 00404 00405 SetStatus("200"); 00406 SetStatusText("OK"); 00407 00408 AddResponseHeader("Content-length", Utility::l2string( (long)len) ); 00409 AddResponseHeader("Content-type", type ); 00410 AddResponseHeader("Last-modified", m_start); 00411 SendResponse(); 00412 00413 bb.decode(str64, buf, len); 00414 SendBuf( (char *)buf, len); 00415 delete[] buf; 00416 } 00417 }
std::string HttpdSocket::datetime2httpdate | ( | const std::string & | dt | ) | [protected] |
Definition at line 420 of file HttpdSocket.cpp.
References Socket::Handler(), and ISocketHandler::LogError().
Referenced by HttpdSocket(), OnData(), and OnHeaderComplete().
00421 { 00422 struct tm tp; 00423 time_t t; 00424 const char *days[] = { "Sun","Mon","Tue","Wed","Thu","Fri","Sat" }; 00425 const char *months[] = { "Jan","Feb","Mar","Apr","May","Jun", 00426 "Jul","Aug","Sep","Oct","Nov","Dec" }; 00427 int i; 00428 char s[40]; 00429 00430 /* 1997-12-16 09:50:40 */ 00431 00432 if (dt.size() == 19) 00433 { 00434 tp.tm_year = atoi(dt.substr(0,4).c_str()) - 1900; 00435 i = atoi(dt.substr(5,2).c_str()) - 1; 00436 tp.tm_mon = i >= 0 ? i : 0; 00437 tp.tm_mday = atoi(dt.substr(8,2).c_str()); 00438 tp.tm_hour = atoi(dt.substr(11,2).c_str()); 00439 tp.tm_min = atoi(dt.substr(14,2).c_str()); 00440 tp.tm_sec = atoi(dt.substr(17,2).c_str()); 00441 tp.tm_wday = 0; 00442 tp.tm_yday = 0; 00443 tp.tm_isdst = 0; 00444 t = mktime(&tp); 00445 if (t == -1) 00446 { 00447 Handler().LogError(this, "datetime2httpdate", 0, "mktime() failed"); 00448 } 00449 00450 sprintf(s,"%s, %02d %s %d %02d:%02d:%02d GMT", 00451 days[tp.tm_wday], 00452 tp.tm_mday, 00453 months[tp.tm_mon], 00454 tp.tm_year + 1900, 00455 tp.tm_hour,tp.tm_min,tp.tm_sec); 00456 } 00457 else 00458 { 00459 *s = 0; 00460 } 00461 return s; 00462 }
std::string HttpdSocket::GetDate | ( | ) | [protected] |
Definition at line 465 of file HttpdSocket.cpp.
Referenced by HttpdSocket(), OnData(), and OnHeaderComplete().
00466 { 00467 time_t t = time(NULL); 00468 struct tm tp; 00469 #ifdef _WIN32 00470 memcpy(&tp, localtime(&t), sizeof(tp)); 00471 #else 00472 localtime_r(&t, &tp); 00473 #endif 00474 char slask[40]; // yyyy-mm-dd hh:mm:ss 00475 sprintf(slask,"%d-%02d-%02d %02d:%02d:%02d", 00476 tp.tm_year + 1900, 00477 tp.tm_mon + 1, 00478 tp.tm_mday, 00479 tp.tm_hour,tp.tm_min,tp.tm_sec); 00480 return slask; 00481 }
void HttpdSocket::Reset | ( | ) | [protected, virtual] |
Reset state of socket to sucessfully implement keep-alive.
Reimplemented from HTTPSocket.
Definition at line 484 of file HttpdSocket.cpp.
References m_content_length, m_cookies, m_file, m_form, m_received, m_request_count, m_request_id, and HTTPSocket::Reset().
Referenced by OnData(), and OnHeaderComplete().
00485 { 00486 HTTPSocket::Reset(); 00487 m_content_length = 0; 00488 if (m_file) 00489 { 00490 delete m_file; 00491 m_file = NULL; 00492 } 00493 m_received = 0; 00494 m_request_id = ++m_request_count; 00495 if (m_cookies) 00496 delete m_cookies; 00497 m_cookies = NULL; 00498 if (m_form) 00499 delete m_form; 00500 m_form = NULL; 00501 }
HttpdSocket& HttpdSocket::operator= | ( | const HttpdSocket & | s | ) | [inline, private] |
std::string HttpdSocket::m_http_cookie [protected] |
std::string HttpdSocket::m_content_type [protected] |
Definition at line 79 of file HttpdSocket.h.
Referenced by OnData(), OnHeader(), and OnHeaderComplete().
std::string HttpdSocket::m_content_length_str [protected] |
std::string HttpdSocket::m_if_modified_since [protected] |
int HttpdSocket::m_request_count = 0 [static, private] |
std::string HttpdSocket::m_start = "" [static, private] |
size_t HttpdSocket::m_content_length [private] |
IFile* HttpdSocket::m_file [private] |
Definition at line 88 of file HttpdSocket.h.
Referenced by OnData(), OnHeaderComplete(), Reset(), and ~HttpdSocket().
size_t HttpdSocket::m_received [private] |
int HttpdSocket::m_request_id [private] |
std::string HttpdSocket::m_http_date [private] |
HttpdCookies* HttpdSocket::m_cookies [private] |
Definition at line 92 of file HttpdSocket.h.
Referenced by GetCookies(), OnHeaderComplete(), Reset(), and ~HttpdSocket().
HttpdForm* HttpdSocket::m_form [private] |
Definition at line 93 of file HttpdSocket.h.
Referenced by GetForm(), OnData(), OnHeaderComplete(), Reset(), and ~HttpdSocket().