Optimized sending answers in sgconfig.

[stg.git] / projects / stargazer / plugins / configuration / sgconfig / rsconf.cpp

diff --git a/projects/stargazer/plugins/configuration/sgconfig/rsconf.cpp b/projects/stargazer/plugins/configuration/sgconfig/rsconf.cpp
index 5e69984894c846b801d88babcd2698cbda7693cb..e9f50e4802f65f4b62270024d7ddcbfefeabb45f 100644 (file)
--- a/projects/stargazer/plugins/configuration/sgconfig/rsconf.cpp
+++ b/projects/stargazer/plugins/configuration/sgconfig/rsconf.cpp
@@ -26,14 +26,24 @@
 *
 *******************************************************************/
 
-#include <unistd.h> // close
+#include "configproto.h"
+
+#include "parser.h"
+
+#include "stg/logger.h"
+#include "stg/common.h"
+#include "stg/blowfish.h"
 
 #include <cerrno>
 #include <csignal>
 #include <cstdio> // snprintf
+#include <cstring> // strerror
 
-#include "stg/blowfish.h"
-#include "configproto.h"
+#include <unistd.h> // close
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
 
 #ifndef ENODATA
 // FreeBSD 4.* - suxx
@@ -57,7 +67,6 @@ enum
 //-----------------------------------------------------------------------------
 int CONFIGPROTO::Prepare()
 {
-list<string> ansList; //óÀÄÁ ÂÕÄÅÔ ÐÏÍÅÝÅÎ ÏÔ×ÅÔ ÄÌÑ ÍÅÎÅÄÖÅÒÁ ËÌÉÅÎÔÏ×
 int res;
 struct sockaddr_in listenAddr;
 
@@ -74,6 +83,7 @@ listenSocket = socket(PF_INET, SOCK_STREAM, 0);
 if (listenSocket < 0)
     {
     errorStr = "Create NET_CONFIGURATOR socket failed.";
+    logger("Cannot create a socket: %s", strerror(errno));
     return -1;
     }
 
@@ -85,7 +95,8 @@ int lng = 1;
 
 if (0 != setsockopt(listenSocket, SOL_SOCKET, SO_REUSEADDR, &lng, 4))
     {
-    errorStr = "Setsockopt failed. " + string(strerror(errno));
+    errorStr = "Setsockopt failed. " + std::string(strerror(errno));
+    logger("setsockopt error: %s", strerror(errno));
     return -1;
     }
 
@@ -94,6 +105,7 @@ res = bind(listenSocket, (struct sockaddr*)&listenAddr, sizeof(listenAddr));
 if (res == -1)
     {
     errorStr = "Bind admin socket failed";
+    logger("Cannot bind the socket: %s", strerror(errno));
     return -1;
     }
 
@@ -101,6 +113,7 @@ res = listen(listenSocket, 0);
 if (res == -1)
     {
     errorStr = "Listen admin socket failed";
+    logger("Cannot listen the socket: %s", strerror(errno));
     return -1;
     }
 
@@ -143,20 +156,17 @@ while (nonstop)
                              &outerAddrLen);
 
     if (!nonstop)
-        {
         break;
-        }
 
-    if (outerSocket == -1)
+    if (outerSocket < 0)
         {
+        logger("accept error: %s", strerror(errno));
         printfd(__FILE__, "accept failed\n");
         continue;
         }
 
     adminIP = *(unsigned int*)&(outerAddr.sin_addr);
 
-    printfd(__FILE__, "Connection accepted from %s\n", inet_ntostring(outerAddr.sin_addr.s_addr).c_str());
-
     if (state == confHdr)
         {
         if (RecvHdr(outerSocket) < 0)
@@ -231,6 +241,7 @@ while (nonstop)
         {
         WriteLogAccessFailed(adminIP);
         }
+    printfd(__FILE__, "Successfull connection from %s\n", inet_ntostring(outerAddr.sin_addr.s_addr).c_str());
     close(outerSocket);
     }
 }
@@ -246,12 +257,14 @@ while (pos < stgHdrLen)
     if (!WaitPackets(sock))
         {
         state = confHdr;
-        SendError("Bad request");
+        SendError(sock, "Bad request");
         return -1;
         }
-    int ret = recv(sock, &buf[pos], stgHdrLen - pos, 0);
+    ssize_t ret = recv(sock, &buf[pos], static_cast<int>(stgHdrLen) - static_cast<int>(pos), 0);
     if (ret <= 0)
         {
+        if (ret < 0)
+            logger("recv error: %s", strerror(errno));
         state = confHdr;
         return -1;
         }
@@ -265,7 +278,7 @@ if (0 == strncmp(buf, STG_HEADER, strlen(STG_HEADER)))
     }
 else
     {
-    SendError("Bad request");
+    SendError(sock, "Bad request");
     }
 
 state = confHdr;
@@ -278,7 +291,7 @@ if (err)
     {
     if (send(sock, ERR_HEADER, sizeof(ERR_HEADER) - 1, 0) < 0)
         {
-        logger("send ERR_HEADER error in SendHdrAnswer.");
+        logger("send error: %s", strerror(errno));
         return -1;
         }
     }
@@ -286,7 +299,7 @@ else
     {
     if (send(sock, OK_HEADER, sizeof(OK_HEADER) - 1, 0) < 0)
         {
-        logger("send OK_HEADER error in SendHdrAnswer.");
+        logger("send error: %s", strerror(errno));
         return -1;
         }
     }
@@ -308,11 +321,12 @@ while (pos < ADM_LOGIN_LEN) {
         return ENODATA;
         }
 
-    int ret = recv(sock, &login[pos], ADM_LOGIN_LEN - pos, 0);
+    ssize_t ret = recv(sock, &login[pos], ADM_LOGIN_LEN - static_cast<int>(pos), 0);
 
     if (ret <= 0)
         {
         // Error in network
+        logger("recv error: %s", strerror(errno));
         state = confHdr;
         return ENODATA;
         }
@@ -357,12 +371,13 @@ while (pos < ADM_LOGIN_LEN)
         return ENODATA;
         }
 
-    int ret = recv(sock, &loginS[pos], ADM_LOGIN_LEN - pos, 0);
+    ssize_t ret = recv(sock, &loginS[pos], ADM_LOGIN_LEN - static_cast<int>(pos), 0);
 
     if (ret <= 0)
         {
         // Network error
         printfd(__FILE__, "recv error: '%s'\n", strerror(errno));
+        logger("recv error: %s", strerror(errno));
         state = confHdr;
         return ENODATA;
         }
@@ -381,9 +396,7 @@ EnDecodeInit(currAdmin->GetPassword().c_str(), ADM_PASSWD_LEN, &ctx);
 
 char login[ADM_LOGIN_LEN + 1];
 for (size_t i = 0; i < ADM_LOGIN_LEN / 8; i++)
-    {
     DecodeString(login + i * 8, loginS + i * 8, &ctx);
-    }
 
 if (currAdmin == admins->GetNoAdmin())
     {
@@ -399,6 +412,7 @@ if (strncmp(currAdmin->GetLogin().c_str(), login, ADM_LOGIN_LEN) != 0)
     }
 
 state = confData;
+adminPassword = currAdmin->GetPassword();
 return 0;
 }
 //-----------------------------------------------------------------------------
@@ -408,7 +422,7 @@ if (err)
     {
     if (send(sock, ERR_LOGINS, sizeof(ERR_LOGINS) - 1, 0) < 0)
         {
-        logger("send ERR_LOGIN error in SendLoginAnswer.");
+        logger("send error: %s", strerror(errno));
         return -1;
         }
     }
@@ -416,7 +430,7 @@ else
     {
     if (send(sock, OK_LOGINS, sizeof(OK_LOGINS) - 1, 0) < 0)
         {
-        logger("send OK_LOGINS error in SendLoginSAnswer.");
+        logger("send error: %s", strerror(errno));
         return -1;
         }
     }
@@ -443,10 +457,11 @@ while (1)
             break;
             }
 
-        int ret = recv(sock, &bufferS[pos], sizeof(bufferS) - pos, 0);
+        ssize_t ret = recv(sock, &bufferS[pos], sizeof(bufferS) - static_cast<int>(pos), 0);
         if (ret < 0)
             {
             // Network error
+            logger("recv error: %s", strerror(errno));
             printfd(__FILE__, "recv error: '%s'\n", strerror(errno));
             return -1;
             }
@@ -470,73 +485,44 @@ while (1)
         {
         // End of data
         if (ParseCommand())
-            {
-            SendError("Bad command");
-            }
-        return SendDataAnswer(sock);
+            return SendError(sock, "Bad command");
+        else
+            return SendDataAnswer(sock, currParser->GetAnswer());
         }
     }
-return 0;
+//return 0;
 }
 //-----------------------------------------------------------------------------
-int CONFIGPROTO::SendDataAnswer(int sock)
+int CONFIGPROTO::SendDataAnswer(int sock, const std::string & answer)
 {
-list<string>::iterator li;
-li = answerList.begin();
+if (answer.empty())
+    return 0;
 
 BLOWFISH_CTX ctx;
+EnDecodeInit(adminPassword.c_str(), ADM_PASSWD_LEN, &ctx);
 
-char buff[8];
-char buffS[8];
-int n = 0;
-int k = 0;
-
-EnDecodeInit(currAdmin->GetPassword().c_str(), ADM_PASSWD_LEN, &ctx);
-
-while (li != answerList.end())
+std::string::size_type pos = 0;
+std::string::size_type length = answer.length();
+while (pos < length)
     {
-    while ((*li).c_str()[k])
-        {
-        buff[n % 8] = (*li).c_str()[k];
-        n++;
-        k++;
-
-        if (n % 8 == 0)
-            {
-            EncodeString(buffS, buff, &ctx);
-            int ret = send(sock, buffS, 8, 0);
-            if (ret < 0)
-                {
-                return -1;
-                }
-            }
-        }
-    k = 0;// new node
-    ++li;
+    char buffer[1024];
+    std::string::size_type chunkLength = std::min(length - pos, sizeof(buffer));
+    EncodeFullString(buffer, answer.c_str() + pos, chunkLength, ctx);
+    if (send(sock, buffer, chunkLength, 0) < 0)
+        return -1;
+    pos += chunkLength;
     }
 
-if (answerList.empty()) {
-    return 0;
-}
-
-buff[n % 8] = 0;
-EncodeString(buffS, buff, &ctx);
-
-answerList.clear();
-
-return send(sock, buffS, 8, 0);
+return 1;
 }
 //-----------------------------------------------------------------------------
-void CONFIGPROTO::SendError(const char * text)
+int CONFIGPROTO::SendError(int sock, const std::string & text)
 {
-char s[255];
-answerList.clear();
-snprintf(s, 255, "<Error value=\"%s\"/>", text);
-answerList.push_back(s);
+return SendDataAnswer(sock, "<Error value=\"" + text + "\"/>");
 }
 //-----------------------------------------------------------------------------
 void CONFIGPROTO::WriteLogAccessFailed(uint32_t ip)
 {
-logger("Admin's connect failed. IP %s", inet_ntostring(ip).c_str());
+logger("Admin's connection failed. IP %s", inet_ntostring(ip).c_str());
 }
 //-----------------------------------------------------------------------------