From 4668ba453949b9fc24a105db9dfef35472f3a7d8 Mon Sep 17 00:00:00 2001 From: rans Date: Tue, 31 Aug 2004 13:57:27 +0000 Subject: Added multiple simultaneous connection support --- nanohttp/nanohttp-server.c | 130 ++++++++++++++++++++++++++++++++------------- 1 file changed, 94 insertions(+), 36 deletions(-) diff --git a/nanohttp/nanohttp-server.c b/nanohttp/nanohttp-server.c index 3786282..7823cc5 100644 --- a/nanohttp/nanohttp-server.c +++ b/nanohttp/nanohttp-server.c @@ -1,5 +1,5 @@ /****************************************************************** -* $Id: nanohttp-server.c,v 1.12 2004/08/31 11:13:55 rans Exp $ +* $Id: nanohttp-server.c,v 1.13 2004/08/31 13:57:27 rans Exp $ * * CSOAP Project: A http client/server library in C * Copyright (C) 2003 Ferhat Ayaz @@ -23,26 +23,36 @@ ******************************************************************/ #include +#include +#include +#include +#include +#include + #ifdef WIN32 #include "wsockcompat.h" #include #include #define close(s) closesocket(s) -#define localtime_r( _clock, _result ) \ - ( *(_result) = *localtime( (_clock) ), \ - (_result) ) + +static struct tm *localtime_r(const time_t *const timep, struct tm *p_tm) +{ + static struct tm* tmp; + tmp = localtime(timep); + if (tmp) { + memcpy(p_tm, tmp, sizeof(struct tm)); + tmp = p_tm; + } + return tmp; +} + +typedef int socklen_t; #endif #ifdef HAVE_CONFIG_H #include #endif -#include -#include -#include -#include -#include - #ifndef WIN32 #include /* According to POSIX 1003.1-2001 */ @@ -59,17 +69,25 @@ typedef struct tag_conndata { hsocket_t sock; +#ifdef WIN32 + HANDLE tid; +#else + pthread_t tid; + pthread_attr_t attr; +#endif }conndata_t; /* ----------------------------------------------------- nano httpd internally globals ----------------------------------------------------- */ static int _httpd_port = 10000; +static int _httpd_max_connections = 20; static hsocket_t _httpd_socket; static hservice_t *_httpd_services_head = NULL; static hservice_t *_httpd_services_tail = NULL; static int _httpd_run = 1; static int _httpd_terminate_signal = SIGTERM; +static conndata_t *_httpd_connection; /* ----------------------------------------------------- FUNCTION: httpd_init @@ -78,7 +96,8 @@ NOTE: This will be called from soap_server_init_args() int httpd_init(int argc, char *argv[]) { int i, status; - + _httpd_connection=calloc(_httpd_max_connections, sizeof(conndata_t)); for(i=0; i<_httpd_max_connections; i++) { _httpd_connection[i].sock=0; + } status = hsocket_module_init(); if (status != 0) return status; @@ -212,7 +231,7 @@ int httpd_send_header(httpd_conn_t *res, /* set server name */ strcat(header, "Server: Nano HTTPD library\r\n"); - /* set connection status */ + /* set _httpd_connection status */ strcat(header, "Connection: close\r\n"); /* add pairs */ @@ -270,7 +289,7 @@ static void httpd_request_print(hrequest_t *req) FUNCTION: httpd_session_main ----------------------------------------------------- */ #ifdef WIN32 -unsigned _stdcall httpd_session_main(void *data) +static unsigned _stdcall httpd_session_main(void *data) #else static void* httpd_session_main(void *data) #endif @@ -360,20 +379,71 @@ void httpd_term(int sig) _httpd_run = 0; } +static int httpd_accept(hsocket_t sock) +{ + int i; + int err; + socklen_t asize; + struct sockaddr_in addr; + + asize = sizeof(struct sockaddr_in); + while(1) + { + for (i=0;;i++) { + if (i>=_httpd_max_connections) { + Sleep(1000); + i=0; + continue; + } + if (_httpd_connection[i].sock==0) break; + } + _httpd_connection[i].sock = accept(sock, (struct sockaddr *)&addr, &asize); +#ifndef WIN32 + if (_httpd_connection[i].sock == -1) { + _httpd_connection[i].sock=0; + continue; + } +#else + if (_httpd_connection[i].sock == INVALID_SOCKET) + { + if(WSAGetLastError()!=WSAEWOULDBLOCK) + { + log_error1("accept() died... restarting..."); + closesocket(sock); + WSACleanup(); + return INVALID_SOCKET; + } + else + { + _httpd_connection[i].sock=0; + continue; + } + } +#endif + else + { + log_verbose3("accept new socket (%d) from '%s'", _httpd_connection[i].sock, + SAVE_STR(((char*)inet_ntoa(addr.sin_addr))) ); + +#ifdef WIN32 + _httpd_connection[i].tid=(HANDLE)_beginthreadex(NULL, 65535, httpd_session_main, &_httpd_connection[i], 0, &err); +#else + err = pthread_create(&(_httpd_connection[i].tid), &(_httpd_connection[i].attr), httpd_session_main, &_httpd_connection[i]); +#endif + if (err) { + log_error2("Error creating thread: ('%d')", err); + } + } + } + return 0; +} + /* ----------------------------------------------------- FUNCTION: httpd_run ----------------------------------------------------- */ int httpd_run() { - conndata_t *conn; -#ifdef WIN32 - HANDLE tid; -#else - pthread_t tid; - pthread_attr_t attr; -#endif - hsocket_t sockfd; int err; fd_set fds; struct timeval timeout; @@ -442,24 +512,12 @@ pthread_attr_init(&attr); if (!_httpd_run) break; - if (hsocket_accept(_httpd_socket, &sockfd) != HSOCKET_OK) { + if (httpd_accept(_httpd_socket) != 0) + { continue; } - - - conn = (conndata_t*)malloc(sizeof(conndata_t)); - conn->sock = sockfd; - -#ifdef WIN32 - tid=(HANDLE)_beginthreadex(NULL, 65535, httpd_session_main, conn, 0, &err); -#else - err = pthread_create(&tid, &attr, httpd_session_main, conn); -#endif - if (err) { - log_error2("Error creating thread: ('%d')", err); - } } - + free(_httpd_connection); return 0; } -- cgit v1.1-32-gdbae