Simple HTTP Server with one page index.html stored inside MBED as char vector and javascript to update a table content
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Diff: HTTP_SERVER.cpp
- Revision:
- 1:3a1fe94c6e42
- Parent:
- 0:cc483bea4fe3
- Child:
- 2:33714d7c0f45
diff -r cc483bea4fe3 -r 3a1fe94c6e42 HTTP_SERVER.cpp --- a/HTTP_SERVER.cpp Tue Feb 16 10:59:31 2016 +0000 +++ b/HTTP_SERVER.cpp Sat Nov 26 16:49:04 2016 +0000 @@ -1,5 +1,14 @@ #include "HTTP_SERVER.h" +#include "string" #define DEBUG + +void DEBUG_PRINT_LINE(const char* arg_line) +{ +#ifdef DEBUG + printf("%s",arg_line); +#endif +} + HttpServer::HttpServer() { keep_alive = (false); @@ -16,31 +25,31 @@ // Ethernet Initialization if(eth.init()) { - printf("Error!@EthernetInterface::init()\r\n"); + printf("(HTTP_SERVER) Error!@EthernetInterface::init()\r\n"); return false; } // Ethernet Connecting setup if(eth.connect()) { - printf("Error!@EthernetInterface::connect()\r\n"); + printf("(HTTP_SERVER) Error!@EthernetInterface::connect()\r\n"); return false; } else { - printf("IP Address is %s\r\n", eth.getIPAddress()); + printf("(HTTP_SERVER) IP Address is %s\r\n", eth.getIPAddress()); } // TCP Socket setup // To open Server-side PORT if(tcpsvr.bind(TCP_PORT)< 0) { - printf("Error!@TCPSocketServer::bind()\r\n"); + printf("(HTTP_SERVER) Error!@TCPSocketServer::bind()\r\n"); return false; } else { - printf("TCP Server has bounden!\r\n"); + printf("(HTTP_SERVER) TCP Server has bounden!\r\n"); } // Server start listening Request from a web browser. if(tcpsvr.listen(1) < 0) { - printf("tcp server listen failed.\r\n"); + printf("(HTTP_SERVER) tcp server listen failed.\r\n"); return false; } else { listening_flag = true; - printf("tcp server is listening...\r\n"); + printf("(HTTP_SERVER) tcp server is listening...\r\n"); } return true; @@ -55,48 +64,46 @@ led1 = true; // blocking mode (never timeout) // waiting client connection - printf("\r\nwait connection\r\n"); + printf("(HTTP_SERVER) waiting connection\r\n"); if(tcpsvr.accept(tcpcon) < 0) { - printf("failed to accept connection.\r\n"); + printf("(HTTP_SERVER) failed to accept connection.\r\n"); return -1; } else { - printf("connection success!\r\nIP: %s\r\n",tcpcon.get_address()); + printf("(HTTP_SERVER) connection success!\r\nIP: %s\r\n",tcpcon.get_address()); led2 = true; } - //while(client.is_connected()) { + // When conected while(tcpcon.is_connected()) { -#ifdef DEBUG - printf("being connected\r\n"); -#endif + DEBUG_PRINT_LINE("(HTTP_SERVER) connected\r\n"); + char buffer[1024] = {0}; char* httpmethod = NULL; char* filepath = NULL; char* http_ver = NULL; char* header_field_name = NULL; char* header_field_val = NULL; + // // Request Analysis // -#ifdef DEBUG - printf("debug\r\n"); -#endif + DEBUG_PRINT_LINE("(HTTP_SERVER) DEBUG MODE\r\n"); switch(tcpcon.receive(buffer, 1023)) { case 0: - printf("recieved buffer is empty.\r\n"); + printf("(HTTP_SERVER) recieved buffer is empty.\r\n"); msger.setStatusLine(400, "No Request"); httpmethod = NULL; filepath = NULL; http_ver = NULL; break; case -1: - printf("failed to read data from client.\r\n"); + printf("(HTTP_SERVER) failed to read data from client.\r\n"); msger.setStatusLine(500, "Internal Server Error"); httpmethod = NULL; filepath = NULL; http_ver = NULL; break; default: - printf("Recieved Data: %d\r\n\r\n%.*s\r\n",strlen(buffer),strlen(buffer),buffer); + printf("(HTTP_SERVER) Recieved Data: %d\r\n-->\r\n%.*s[End of Request]\r\n",strlen(buffer),strlen(buffer),buffer); // get HTTP method httpmethod = strtok(buffer," "); // get File path @@ -104,25 +111,23 @@ // get HTTP version http_ver = strtok(NULL, "\r\n"); #ifdef DEBUG - printf("httpmethod: %s\r\n", httpmethod); - printf("file path: %s\r\n", filepath); - printf("http ver : %s\r\n", http_ver); + printf("(HTTP_SERVER) httpmethod: %s\r\n", httpmethod); + printf("(HTTP_SERVER) file path: %s\r\n", filepath); + printf("(HTTP_SERVER) http ver : %s\r\n", http_ver); #endif break; } -#ifdef DEBUG - printf("debug before response\r\n"); -#endif + DEBUG_PRINT_LINE("\r\n" + "(HTTP_SERVER) debug before response\r\n"); + // // Response // if (strcmp(httpmethod,"GET") == 0 ) { - printf("GET request incomming.\r\n"); + printf("(HTTP_SERVER) GET request incomming.\r\n"); // file calibration -#ifdef DEBUG - printf("file opening\r\n"); -#endif + DEBUG_PRINT_LINE("(HTTP_SERVER) file opening\r\n"); fhandl.open(filepath,"rb"); if(fhandl.arrival()) { msger.setStatusLine(200, "OK"); @@ -131,16 +136,14 @@ } else { if(msger.setStatusLine(404, "NOT FOUND"))printf("buffer over flow"); if(msger.setHeaderField("Connection", "close"))printf("buffer over flow"); -#ifdef DEBUG - printf("NOT FOUND\r\n"); -#endif + DEBUG_PRINT_LINE("(HTTP_SERVER) NOT FOUND\r\n"); } - if(! ( strcmp(fhandl.getSuffix(), "htm" ) && - strcmp(fhandl.getSuffix(), "HTM" ) && - strcmp(fhandl.getSuffix(), "html") && - strcmp(fhandl.getSuffix(), "HTML") )) { + if( strcmp(fhandl.getSuffix(), "htm" ) || + strcmp(fhandl.getSuffix(), "HTM" ) || + strcmp(fhandl.getSuffix(), "html") || + strcmp(fhandl.getSuffix(), "HTML")) { if(msger.setHeaderField("Content-Type", "text/html"))printf("buffer over flow"); - } else if (!strcmp(fhandl.getSuffix(), "ico" ) ) { + } else if (strcmp(fhandl.getSuffix(), "ico" ) ) { if(msger.setHeaderField("Content-Type", "image/png"))printf("buffer over flow"); } else { msger.setStatusLine(406, "not acceptable"); @@ -148,7 +151,8 @@ // Connection timeout field if(msger.setHeaderField("Keep-Alive", "timeouit=15"))printf("buffer over flow"); -/* // Apply request header field to response header field + + // Define behaviour of server according to Request Header lines do { //strtok(NULL, "\r\n"); header_field_name = strtok(NULL, ":"); @@ -157,20 +161,17 @@ header_field_val = strtok(NULL, "\r\n"); header_field_val++; #ifdef DEBUG - printf("header_field_name adr: %d %s\r\n", header_field_name - 1, header_field_name); - printf("header_field_val adr: %d %s\r\n", header_field_val - 1, header_field_val); + printf("(HTTP_SERVER) *header_field_name adr: %d %s\r\n", header_field_name - 1, header_field_name); + printf("(HTTP_SERVER) header_field_val adr: %d %s\r\n", header_field_val - 1, header_field_val); #endif + // Apply request header field to response header field if(header_field_name - 1 != NULL) { - //if(strcmp(header_field_name,"Connection") == 0) { - // if(msger.setHeaderField(header_field_name, "close"))printf("buffer over flow"); - //} else { if(msger.setHeaderField(header_field_name, header_field_val))printf("buffer over flow"); - //} } else { break; } } while(1); -*/ + #ifdef DEBUG //printf("status code : %d\r\n", status_code); //printf("content type: %s\r\n", content_type); @@ -189,18 +190,18 @@ #endif #ifdef DEBUG == 0) - printf("file has closed\r\n"); + printf("(HTTP_SERVER) file has closed\r\n"); else if(EOF) - printf("failed to close the file\r\n"); + printf("(HTTP_SERVER) failed to close the file\r\n"); #endif msger.resetHeader(); - printf("echo back done.\r\n"); + printf("(HTTP_SERVER) echo back done.\r\n"); } - printf("Response to Request has done\r\n"); + printf("(HTTP_SERVER) Response to Request has done\r\n"); } - printf("close connection.\r\ntcp server is listening...\r\n"); + printf("(HTTP_SERVER) close connection.\r\ntcp server is listening...\r\n"); tcpcon.close(); - tcpsvr.close(); + //tcpsvr.close(); led2 = false; } led1 = false;