Add interface for EasySocket

src/CMakeLists.txt

@@ -5,6 +5,7 @@ set(CPP_FILES
     profile_manager.cpp
     reader.cpp
     event_trace_win.cpp
+    easy_socket.cpp
 )
 
 set(H_FILES
@@ -15,6 +16,7 @@ set(H_FILES
     profile_manager.h
     spin_lock.h
     event_trace_win.h
+    easy_socket.h
 )
 
 set(SOURCES

src/easy_socket.cpp

@@ -0,0 +1,78 @@
+/**
+Lightweight profiler library for c++
+Copyright(C) 2016  Sergey Yagovtsev
+
+This program is free software : you can redistribute it and / or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.If not, see <http://www.gnu.org/licenses/>.
+**/
+
+#include "easy_socket.h"
+#include <strings.h>
+
+#ifndef _WIN32
+
+EasySocket::EasySocket()
+{
+    m_socket = socket(AF_INET, SOCK_STREAM, 0);
+    struct timeval tv;
+
+    tv.tv_sec = 1;
+    tv.tv_usec = 0;
+
+    setsockopt(m_socket, SOL_SOCKET, SO_RCVTIMEO, (char *)&tv,sizeof(struct timeval));
+}
+
+size_t EasySocket::write(const void *buf, size_t nbyte)
+{
+    if(m_socket <= 0){
+        return -1;
+    }
+    return ::write(m_socket,buf,nbyte);
+}
+
+size_t EasySocket::read(void *buf, size_t nbyte)
+{
+    if(m_socket <= 0){
+        return -1;
+    }
+    return ::read(m_socket,buf,nbyte);
+}
+
+bool EasySocket::setAddress(const char *serv, uint16_t portno)
+{
+    server = gethostbyname(serv);
+    if (server == NULL) {
+        return false;
+        //fprintf(stderr,"ERROR, no such host\n");
+    }
+    bzero((char *) &serv_addr, sizeof(serv_addr));
+    serv_addr.sin_family = AF_INET;
+    bcopy((char *)server->h_addr,
+         (char *)&serv_addr.sin_addr.s_addr,
+         server->h_length);
+    serv_addr.sin_port = htons(portno);
+
+    return true;
+}
+
+int EasySocket::connect()
+{
+    if (server == NULL || m_socket <=0 ) {
+        return -1;
+        //fprintf(stderr,"ERROR, no such host\n");
+    }
+
+    return ::connect(m_socket,(struct sockaddr *) &serv_addr,sizeof(serv_addr));
+}
+
+#endif

src/easy_socket.h

@@ -0,0 +1,51 @@
+/**
+Lightweight profiler library for c++
+Copyright(C) 2016  Sergey Yagovtsev
+
+This program is free software : you can redistribute it and / or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.If not, see <http://www.gnu.org/licenses/>.
+**/
+#ifndef EASY________SOCKET_________H
+#define EASY________SOCKET_________H
+
+#include <stdint.h>
+
+#ifndef _WIN32
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#endif
+
+class EasySocket
+{
+#ifndef _WIN32
+    int m_socket = 0;
+    uint16_t m_port = 0;
+    struct sockaddr_in serv_addr;
+    struct hostent *server = nullptr;
+#endif
+
+public:
+    EasySocket();
+
+    size_t write(const void *buf, size_t nbyte);
+    size_t read(void *buf, size_t nbyte);
+
+    bool setAddress(const char* serv, uint16_t port);
+    int connect();
+};
+
+#endif // EASY________SOCKET_________H

src/profile_manager.cpp

@@ -29,6 +29,8 @@
 
 #include "profiler/easy_net.h"
 
+#include "easy_socket.h"
+
 #include <thread>
 #include <string.h>
 
@@ -437,6 +439,7 @@ const char* ProfileManager::setThreadName(const char* name, const char* filename
 
 //////////////////////////////////////////////////////////////////////////
 
+/*
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netdb.h>
@@ -444,59 +447,26 @@ const char* ProfileManager::setThreadName(const char* name, const char* filename
 #include <unistd.h>
 #include <fcntl.h>
 
-
-void error(const char *msg)
-{
-    perror(msg);
-    exit(0);
-}
+*/
 
 void ProfileManager::startListen()
 {
-    int sockfd, portno, n;
-    struct sockaddr_in serv_addr;
-    struct hostent *server;
-
-    portno = 28077;
-
-    sockfd = socket(AF_INET, SOCK_STREAM, 0);
-    if (sockfd < 0)
-        error("ERROR opening socket");
-    server = gethostbyname("127.0.0.1");
-    if (server == NULL) {
-        fprintf(stderr,"ERROR, no such host\n");
-        exit(0);
-    }
-    bzero((char *) &serv_addr, sizeof(serv_addr));
-    serv_addr.sin_family = AF_INET;
-    bcopy((char *)server->h_addr,
-         (char *)&serv_addr.sin_addr.s_addr,
-         server->h_length);
-    serv_addr.sin_port = htons(portno);
-
-    struct timeval tv;
-
-    tv.tv_sec = 1;  /* 30 Secs Timeout */
-    tv.tv_usec = 0;  // Not init'ing this can cause strange errors
-
-    setsockopt(sockfd, SOL_SOCKET, SO_RCVTIMEO, (char *)&tv,sizeof(struct timeval));
-
-    while(!m_stopListen.load() && (connect(sockfd,(struct sockaddr *) &serv_addr,sizeof(serv_addr)) < 0 ) ) {}
-    //if (connect(sockfd,(struct sockaddr *) &serv_addr,sizeof(serv_addr)) < 0)
-    //    error("ERROR connecting");
 
+    EasySocket socket;
 
+    socket.setAddress("127.0.0.1",28077);
+    while(!m_stopListen.load() && (socket.connect() < 0 ) ) {}
 
     profiler::net::Message replyMessage(profiler::net::MESSAGE_TYPE_REPLY_START_CAPTURING);
 
-    char buffer[256];
-    bzero(buffer,256);
+    char buffer[256] = {};
+    //bzero(buffer,256);
     while(!m_stopListen.load())
     {
-        n = read(sockfd,buffer,255);
+        int bytes = socket.read(buffer,255);
 
         char *buf = &buffer[0];
-        int bytes = n;
+
         if(bytes > 0)
         {
             profiler::net::Message* message = (profiler::net::Message*)buf;
@@ -511,7 +481,7 @@ void ProfileManager::startListen()
                     profiler::setEnabled(true);
 
                     replyMessage.type = profiler::net::MESSAGE_TYPE_REPLY_START_CAPTURING;
-                    write(sockfd,&replyMessage,sizeof(replyMessage));
+                    socket.write(&replyMessage,sizeof(replyMessage));
                 }
                     break;
                 case profiler::net::MESSAGE_TYPE_REQUEST_STOP_CAPTURE:
@@ -520,7 +490,7 @@ void ProfileManager::startListen()
                     profiler::setEnabled(false);
 
                     replyMessage.type = profiler::net::MESSAGE_TYPE_REPLY_PREPARE_BLOCKS;
-                    int send_bytes = write(sockfd,&replyMessage,sizeof(replyMessage));
+                    int send_bytes = socket.write(&replyMessage,sizeof(replyMessage));
 
 
                     profiler::net::DataMessage dm;
@@ -536,12 +506,12 @@ void ProfileManager::startListen()
                     memcpy(sendbuf,&dm,sizeof(dm));
                     memcpy(sendbuf + sizeof(dm),os.stream().str().c_str(),dm.size);
 
-                    send_bytes = write(sockfd,sendbuf,packet_size);
+                    send_bytes = socket.write(sendbuf,packet_size);
 
                     delete [] sendbuf;
 
                     replyMessage.type = profiler::net::MESSAGE_TYPE_REPLY_END_SEND_BLOCKS;
-                    send_bytes = write(sockfd,&replyMessage,sizeof(replyMessage));
+                    send_bytes = socket.write(&replyMessage,sizeof(replyMessage));
                 }
                     break;
                 default: