diff options
Diffstat (limited to 'sock.cpp')
| -rwxr-xr-x | sock.cpp | 394 |
1 files changed, 394 insertions, 0 deletions
diff --git a/sock.cpp b/sock.cpp new file mode 100755 index 0000000..5d64367 --- /dev/null +++ b/sock.cpp @@ -0,0 +1,394 @@ +// class sock implementation. the multiplex socket implementation has been token from the +// GNU C Library Examples and modified in order to fit in here ( POSIX threads etc. ). + +#ifndef s_sock_CXX +#define s_sock_CXX + +#include <unistd.h> + +#include "sock.h" +#include "s_chat.h" +#include "s_conf.h" +#include "s_tool.h" +#include "s_lang.h" +#include "s_sman.h" +#include "s_mman.h" +#include "s_mutx.h" +#include "s_ncur.h" +#include "chat.h" +#include "user.h" + +using namespace std; + +sock::sock() +{ + this->b_run = true; + this->i_req = 0; + this->i_threads = 2; // currently there are 2 threads running ( admin interface + server listening ); + this->req_parser = new reqp(); + this->thrd_pool = new pool(); + this->log_daemon = new logd(s_conf::get + ().get_val( "ACCESS_LOG" )); + + + pthread_mutex_init( &mut_threads, NULL ); +} + +sock::~sock() +{ + pthread_mutex_destroy( &mut_threads ); +} + +void +sock::chat_stream( int i_sock, user* p_user, map_string &map_params ) +{ + string s_msg( "\n" ); + + + for ( int i = 0; i < PUSHSTR; i++ ) + send( i_sock, s_msg.c_str(), s_msg.size(), 0 ); + + do + { + pthread_mutex_lock ( &(p_user->mut_message) ); + s_msg = p_user->get_mess( ); + if ( 0 > send( i_sock, s_msg.c_str(), s_msg.size(), 0 ) ) + p_user->set_online( false ); + pthread_cond_wait( &(p_user->cond_message), &(p_user->mut_message) ); + } + while( p_user->get_online() ); + + // if there is still a message to send: + s_msg = p_user->get_mess( ); + if ( ! s_msg.empty() ) + send( i_sock, s_msg.c_str(), s_msg.size(), 0 ); + + pthread_mutex_unlock( &(p_user->mut_message) ); + + // remove the user from its room. + string s_user( p_user->get_name() ); + p_user->get_room()->del_elem( s_user ); + +#ifdef NCURSES + + { + string s_tmp( REMUSER ); + s_tmp.append( s_user ); + s_ncur::get + ().print( s_tmp.c_str() ); + } +#endif + // post the room that the user has left the chat. + p_user->get_room()->msg_post( new string( p_user->get_colored_name().append( s_lang::get + ().get_val( "USERLEAV" ) ) ) ); + s_sman::get + ().destroy_session( p_user->get_id() ); + +#ifdef NCURSES + { + string s_tmp( SESSION ); + s_tmp.append( s_tool::int2string( s_sman::get + ().get_session_count() ) ); + s_ncur::get + ().print( s_tmp ); + } +#endif +#ifdef VERBOSE + // cout << REMUSER << s_user << endl + // << SESSION << s_man::get().get_session_count() << endl; + +#endif + + p_user->~user(); +} + +int +sock::make_socket( uint16_t i_port ) +{ + int sock; + struct sockaddr_in name; + + // create the server socket. + sock = socket (PF_INET, SOCK_STREAM, 0); + if (sock < 0) + { + +#ifdef NCURSES + s_ncur::get + ().print( SOCKERR ); +#endif + + if ( ++i_port > MAXPORT ) + exit(-1); + +#ifdef NCURSES + + s_ncur::get + ().print( SOCKERR ); +#endif + + return make_socket( i_port ); + } + + // give the server socket a name. + name.sin_family = AF_INET; + name.sin_port = htons (i_port); + name.sin_addr.s_addr = htonl (INADDR_ANY); + int optval=1; + + setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (char*)&optval, sizeof(int)); + + if (bind (sock, (struct sockaddr *) &name, sizeof (name)) < 0) + { + +#ifdef NCURSES + s_ncur::get + ().print( BINDERR ); +#endif + + if ( ++i_port > MAXPORT ) + exit(-1); + +#ifdef SERVMSG + + cout << SOCKERR << i_port << endl; +#endif +#ifdef NCURSES + + s_ncur::get + ().print( SOCKERR ); +#endif + + return make_socket( i_port ); + } + +#ifdef VERBOSE + cout << SOCKCRT << "localhost:" << i_port << endl; +#endif +#ifdef NCURSES + + string s_tmp( SOCKCRT ); + s_tmp.append( "localhost:" ); + s_tmp.append( s_tool::int2string(i_port) ); + s_ncur::get + ().print( s_tmp ); + mvprintw( NCUR_PORT_X,NCUR_PORT_Y, "Port: %d ", i_port); + refresh(); +#endif + + return sock; +} + +int +sock::read_write( thrd* p_thrd, int i_sock ) +{ + char c_req[2048]; + + int i_bytes; + i_bytes = read (i_sock, c_req, 2048); + + if (i_bytes < 0) + { +#ifdef NCURSES + s_ncur::get + ().print( new string( READERR ) ); +#endif + + } + else + { + // stores the request params. + map_string map_params; + + // get the s_rep ( s_html response which will be send imediatly to the client + // and fill map_params with request values. + auto string s_temp=(string)c_req; + struct sockaddr_in client; + size_t size=sizeof(client); + + getpeername( i_sock, (struct sockaddr *)&client, &size); + + map_params["REMOTE_ADDR"]=inet_ntoa(client.sin_addr); + map_params["REMOTE_PORT"]=ntohs( client.sin_port); + + + string s_rep = req_parser->parse( p_thrd, string( c_req ), map_params ); + // send s_rep to the client. + log_daemon->log(map_params); + + send( i_sock, s_rep.c_str(), s_rep.size(), 0 ); + + // dont need those vals anymore. + map_params.clear(); + + return 0; + } + + return -1; +} + +int +sock::start() +{ +#ifdef NCURSES + s_ncur::get + ().print( STARTMS ); + print_hits(); + print_threads(); +#endif + + auto int i_port = s_tool::string2int( s_conf::get + ().get_val( "SRVRPORT" ) ); + + int sock; + fd_set active_fd_set, read_fd_set; + int i; + struct sockaddr_in clientname; + size_t size; + + + // create the server socket and set it up to accept connections. + sock = make_socket ( i_port ); + + if (listen (sock, 1) < 0) + { +#ifdef NCURSES + s_ncur::get + ().print( LISTERR ); +#endif + + exit( EXIT_FAILURE ); + } + +#ifdef VERBOSE + cout << SOCKRDY << endl; +#endif +#ifdef NCURSES + + s_ncur::get + ().print( SOCKRDY ); +#endif + + // initialize the set of active sockets. + FD_ZERO (&active_fd_set); + FD_SET (sock, &active_fd_set); + + while( b_run ) + { + // block until input arrives on one or more active sockets. + read_fd_set = active_fd_set; + if (select (FD_SETSIZE, &read_fd_set, NULL, NULL, NULL) < 0) + { + +#ifdef NCURSES + s_ncur::get + ().print( SELCERR ); +#endif + + exit( EXIT_FAILURE ); + } + + // service all the sockets with input pending. + for ( i = 0; i < FD_SETSIZE; i++ ) + if ( FD_ISSET (i, &read_fd_set) ) + { + if ( i == sock ) + { + // connection request on original socket. + i_req++; +#ifdef NCURSES + + print_hits(); +#endif + + int new_sock; + size = sizeof (clientname); + new_sock = accept (sock, + (struct sockaddr *) &clientname, + &size); + + if (new_sock < 0) + { + +#ifdef NCURSES + s_ncur::get + ().print( ACCPERR); +#endif + + close ( new_sock ); + + } + + else + { +#ifdef VERBOSE + cout << NEWREQU << i_req << " " + << inet_ntoa( clientname.sin_addr ) + << ":" + << ntohs ( clientname.sin_port ) + << endl; +#endif + FD_SET (new_sock, &active_fd_set); + } + } + + else + { + +#ifdef NCURSES + /// s_ncur::get().print( NEWREQU ); +#endif + + thrd_pool->run( (void*) new thrd( i ) ); + FD_CLR( i, &active_fd_set ); + } + } + } +} + +void +sock::increase_num_threads() +{ + pthread_mutex_lock( &mut_threads ); + i_threads++; + pthread_mutex_unlock( &mut_threads ); +#ifdef NCURSES + print_threads(); +#endif + +} + +void +sock::decrease_num_threads() +{ + pthread_mutex_lock( &mut_threads ); + i_threads--; + pthread_mutex_unlock( &mut_threads ); + +#ifdef NCURSES + print_threads(); +#endif + +} + +#ifdef NCURSES +void +sock::print_threads() +{ + pthread_mutex_lock ( &s_mutx::get().mut_stdout ); + mvprintw( NCUR_THREADS_X,NCUR_THREADS_Y, "Threads: %d ", i_threads); + refresh(); + pthread_mutex_unlock( &s_mutx::get().mut_stdout ); +} + +void +sock::print_hits() +{ + pthread_mutex_lock ( &s_mutx::get().mut_stdout ); + mvprintw( NCUR_HITS_X,NCUR_HITS_Y, "Hits: %d ", i_req); + refresh(); + pthread_mutex_unlock( &s_mutx::get().mut_stdout ); +} +#endif + +#endif |