Simple HTTP Server with one page index.html stored inside MBED as char vector and javascript to update a table content
Fork of HTTP_SERVER by
handlers/ResponseMessenger.cpp
- Committer:
- aktk
- Date:
- 2016-02-16
- Revision:
- 0:cc483bea4fe3
- Child:
- 1:3a1fe94c6e42
File content as of revision 0:cc483bea4fe3:
#include "ResponseMessenger.h" const char ResponseMessenger::http_ver[9] = "HTTP/1.1"; ResponseMessenger::ResponseMessenger() { // Status-Line status_code = 0; reason_phrase[0] = '\0'; header_field_buffer[0]='\0'; // Response Header } ResponseMessenger::~ResponseMessenger() { } int ResponseMessenger::resetHeader() { // Status-Line status_code = 0; reason_phrase[0] = '\0'; header_field_buffer[0]='\0'; // Response Header return 0; } int ResponseMessenger::setStatusLine( int arg_status_code, const char* arg_reason_phrase ) { status_code = arg_status_code; strcpy(reason_phrase, arg_reason_phrase); // To be safe on the sage side reason_phrase[REASON_PHRASE_SIZE - 1] = '\0'; // Send 0 if arg str size is too big, else -1. if (strlen(arg_reason_phrase) < REASON_PHRASE_SIZE) return 0; else return -1; } int ResponseMessenger::setHeaderField( const char* arg_field_name, const char* arg_field_val) { const int nField = 4; char registered_field_name[nField][32]= { "Connection", "Location", "Keep-Alive", "Content-Type" }; bool flag = false; char header_field_line_buffer[128]; int buffer_size = strlen(header_field_buffer); for (int i = 0; i < nField; i++) { if(strcmp(arg_field_name, registered_field_name[i]) == 0) flag = true; } if(flag) { sprintf(header_field_line_buffer, "%s: %s\r\n", arg_field_name, arg_field_val); strcat(header_field_buffer, header_field_line_buffer); printf("header field: \r\n%s\r\n", header_field_buffer); } // To be safe on the sage side header_field_buffer[HEADER_FIELDS_SIZE - 1] = '\0'; // Send 0 if arg str size is too big, else -1. if (buffer_size + strlen(arg_field_name) + strlen(arg_field_val) < HEADER_FIELDS_SIZE + 1) return 0; else return -1; } int ResponseMessenger::setHeaderField( const char* arg_field_name, int arg_field_val) { const int nField = 1; char registered_field_name[nField][32]= { "Content-Length" }; bool flag = false; char header_field_line_buffer[128]; int buffer_size = strlen(header_field_buffer); for (int i = 0; i < nField; i++) { if(strcmp(arg_field_name, registered_field_name[i]) == 0) flag = true; } if(flag) { sprintf(header_field_line_buffer, "%s: %d\r\n", arg_field_name, arg_field_val); strcat(header_field_buffer, header_field_line_buffer); printf("header field: \r\n%s\r\n", header_field_buffer); } // To be safe on the sage side header_field_buffer[HEADER_FIELDS_SIZE - 1] = '\0'; // Send 0 if arg str size is too big, else -1. if (buffer_size + strlen(arg_field_name) + 10 < HEADER_FIELDS_SIZE + 1) return 0; else return -1; } int ResponseMessenger::getStatusCode() { return status_code; } char ResponseMessenger::sendHTTPResponse( TCPSocketConnection &arg_connection) { int err_log = 0; int err_code = 0; enum { MAX_BUFFER_SIZE = 1024 }; char buffer[MAX_BUFFER_SIZE] = "\0"; // // Header // printf("[send]Header\r\n"); // Status Line sprintf(buffer, "%s %d %s\r\n", http_ver, status_code, reason_phrase); buffer[MAX_BUFFER_SIZE - 1] = '\0'; err_log = arg_connection.send_all(buffer, strlen(buffer)); if(err_log < 0) err_code = ((err_code << 1) | 1); // Response Header err_log = arg_connection.send_all(header_field_buffer, strlen(header_field_buffer)); if(err_log < 0) err_code = ((err_code << 1) | 1); // Blank line err_log = arg_connection.send_all("\r\n", strlen("\r\n")); if(err_log < 0) err_code = ((err_code << 1) | 1); printf("[Header has sent]\r\n"); //return error code return err_code << 2; } char ResponseMessenger::sendHTTPResponse( TCPSocketConnection &arg_connection, FileHandler &arg_file) { int err_log = 0; int err_code = 0; enum { MAX_BUFFER_SIZE = 1024 }; signed char buffer[MAX_BUFFER_SIZE]; // // Header // err_code = sendHTTPResponse(arg_connection); // // Body // if (arg_file.arrival() && status_code == 200) { printf("[send]Body\r\n"); do { int i = 0; do { buffer[i++] = arg_file.getc();//return a byte from file ponter, or -1 if EOF or ERROR } while ((i < MAX_BUFFER_SIZE - 1) && (buffer[i - 1] != EOF)); if(buffer[i - 1] == EOF)buffer[i - 1] = '\0'; buffer[i] = '\0'; if (!arg_file.hasError()) { err_log = arg_connection.send_all((char*)buffer, i); //printf("buffer log: %s", buffer); } if (arg_file.hasError()) printf("\r\n[ERR][ERR][ERR]\r\n"); if (arg_file.atEOF()) printf("\r\n[EOF][EOF][EOF]\r\n"); } while (!arg_file.atEOF() && !arg_file.hasError()); printf("[Body has sent]\r\n"); if (err_log < 0) err_code = ((err_code) | 2); if (!arg_file.hasError())err_code = ((err_code) | 1); } else{ printf("[No Body]\r\n"); } return (char)err_code; }