cfdp_bp_get_example/main.c

// ////////////////////////////////////////////////////////////////////////////
//
// Sample program creates 1MB, 2MB and 3MB pathnames to 1MB, 2MB and 3MB files 
// created by the cfdp_bp_destination example application.  These files are
// transferred from/to the home/user directory via the cfdp_bp_destination 
// application.  The program uses the Get, AddGet, AddGetComponentRequestION, 
// SendAllGetRequests, MonitorAllCFDPTransactions and RemoveGetComponentRequest
// API functions. The destination files are renamed with a time tag extension 
// and the sources files are deleted.
//
// Main with optional input defining pathname for the CFDP configuration file.  
// The default CFDP configuration file pathname is 
// "./cfdp_bp_get_example_config.txt".
//
// The "cfdp_bp_destination" example must be running on the destination
// platform prior to starting this CFDP BP examples.  Assumes the source and
// and destination platforms are using the same operating system and user
// account.  Remote eid/node = 2.
//
// ////////////////////////////////////////////////////////////////////////////
 
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <sys/timeb.h>
#include <string.h>
#include "ds_shared.h"
#include "cfdp_shared.h"
#include "trek_error.h"
#include "toolkit_ds_api_error_codes.h"
#include "toolkit_cfdp_api_error_codes.h"
#include "trek_toolkit_common_api_ansi_c.h"
#include "toolkit_cfdp_api_ansi_c.h"
#include "toolkit_ds_api_ansi_c.h"
#ifdef __linux__
#include <unistd.h>
#else
#include <windows.h>
#endif
 
unsigned int message_mask;
 
// ////////////////////////////////////////////////////////////////////////////
//
// PrintTheMessage controls how messages are processed and displayed to 
// the user.
//
// ////////////////////////////////////////////////////////////////////////////
 
void PrintTheMessage(message_struct_type *mess_struct_ptr)
{
    if (mess_struct_ptr->category & message_mask)
    {
        printf("%s%s\n",GetMessageCategoryAsPaddedString(mess_struct_ptr->category),
                mess_struct_ptr->message);
    }
}
 
// ////////////////////////////////////////////////////////////////////////////
//
// DeviceData's packet_buffer_ptr processes a cfdp_struct ptr defined as 
// follows:
//
// char           source_pathname[200];
// char           destination_pathname[200];
// long long      eid;                      (destination)
// char           transaction_id[50];
// unsigned short percent_transferred;
// unsigned long  bytes_transferred;
// unsigned long  file_size;
// unsigned long  cfdp_configuration; (e.g., DS_DEVICE_SENDING, 
//                                           DS_DEVICE_RECEIVING)
// unsigned long  cfdp_status;        (e.g., DS_PACKET_SENDING, 
//                                           DS_PACKET_RECEIVING,
//                                           DS_SUSPEND, DS_RESUME, 
//                                           DS_REPORT, 
//                                           DS_CANCEL, 
//                                           DS_SUCCESS, 
//                                           DS_FAIL, 
//                                           DS_ABANDON, 
//                                           DS_UNKNOWN)
//
// The cfdp_struct can be used to determine each file's transactions ID as  
// well as monitor a file's transfer status.
//
// ////////////////////////////////////////////////////////////////////////////
 
void DeviceData(const char      *device_key, 
                int             packet_length, 
                unsigned char   *packet_buffer_ptr)
{
    unsigned int count;
    cfdp_struct_type *cfdp_struct_ptr;
    // Retrieve the individual cfdp structs from the packet_buffer;
    for (count = 0; count*sizeof(cfdp_struct_type) < (unsigned int)packet_length; count++)
    {
        cfdp_struct_ptr = (cfdp_struct_type *)(packet_buffer_ptr + count*sizeof(cfdp_struct_type));
        if (cfdp_struct_ptr->cfdp_status == DS_MESSAGE)  // print proxy put (get) response message
        {
            // Print message
            printf("Message  %s\n",cfdp_struct_ptr->message);
        }
        else if (message_mask & MSG_CAT_PROGRESS)
        {
            printf("Progress Transaction_id %s -> %s\t file size=%lld\t bytes trans=%lld\t percent trans=%u%%\n",
                    cfdp_struct_ptr->transaction_id,
                    cfdp_struct_ptr->destination_pathname,
                    cfdp_struct_ptr->file_size,
                    cfdp_struct_ptr->bytes_transferred,
                    cfdp_struct_ptr->percent_transferred);
        }
    }
}
 
// ////////////////////////////////////////////////////////////////////////////
//
// InitExampleDataFilesPathnames creates and returns
// the appropriate source and destination pathnames.
//
// ////////////////////////////////////////////////////////////////////////////
 
int InitExampleDataFilesPathnames(char *pathname1MB,
                                  char *destination_pathname1MB,
                                  char *pathname2MB,
                                  char *destination_pathname2MB,
                                  char *pathname3MB,
                                  char *destination_pathname3MB)
{
    struct timeb timebuffer;
    char home_path[256];
 
    if (TCAACGetHomeDirectory(home_path,sizeof(home_path)) != SUCCESS)
    {
        return(FAIL);
    }
 
    // Create 1MB path names
    sprintf(pathname1MB, "%s/cfdp_bp_destination_data_file_1MB",home_path);
 
    ftime(&timebuffer);
    sprintf(destination_pathname1MB,"%s_%u",
            pathname1MB,
            (unsigned int)timebuffer.time);
 
    // Create 2MB path names
    sprintf(pathname2MB, "%s/cfdp_bp_destination_data_file_2MB",home_path);
 
    // Create a destination time tag appended file name 
    sprintf(destination_pathname2MB,"%s_%u",
            pathname2MB,
            (unsigned int)timebuffer.time);
 
    // Create 3MB path names 
    sprintf(pathname3MB, "%s/cfdp_bp_destination_data_file_3MB",home_path);
 
    // Create a destination time tag appended file name 
    sprintf(destination_pathname3MB,"%s_%u",
            pathname3MB,
            (unsigned int)timebuffer.time);
    return(SUCCESS);
}
 
// ////////////////////////////////////////////////////////////////////////////
//
// Sample program creates 1MB, 2MB and 3MB pathnames to 1MB, 2MB and 3MB files 
// created by the cfdp_bp_destination example application.  These files are
// transferred from/to the home/user directory via the cfdp_bp_destination 
// application.  The program uses the Get, AddGet, AddGetComponentRequestION, 
// SendAllGetRequests, MonitorAllCFDPTransactions and RemoveGetComponentRequest
// API functions. The destination files are renamed with a time tag extension 
// and the sources files are deleted.
//
// Main with optional input defining pathname for the CFDP configuration file.  
// The default CFDP configuration file pathname is 
// "./cfdp_bp_get_example_config.txt".
//
// The "cfdp_bp_destination" example must be running on the destination
// platform with a similar operating system prior to starting this 
// example.  Remote eid/node = 2.
//
// ////////////////////////////////////////////////////////////////////////////
 
int main(int argc, char *argv[])
{
    int return_value;
    char pathname[256];
    char pathname1MB[256];
    char destination_pathname1MB[256];
    char pathname2MB[256];
    char destination_pathname2MB[256];
    char pathname3MB[256];
    char destination_pathname3MB[256];
 
    long long eid;
    unsigned int transaction_count;
    cfdp_struct_type *cfdp_struct_array_ptr = NULL;
    unsigned int timeout_in_sec;
    unsigned int i;
    char log_path[256];
    char log_filename[256];
    unsigned int lifespan;
    bp_class_of_service_type cos;                   
    unsigned int ordinal;           
    bp_transmission_mode_type mode;             
    bp_criticality_type criticality;
 
    // Intialize message mask to print error messages.
    message_mask = MSG_CAT_ERROR;
 
    // Set default CFDP config_pathname 
    strcpy (pathname, "./cfdp_bp_get_example_config.txt");
    if (argc == 2)
    {
        strcpy(pathname,argv[1]);
    }
    else if (argc > 2)
    {
        printf("Error    Command line contains too many arguments.\n");
        return 0;
    }
    
    strcpy(log_path,"");
    strcpy(log_filename,"cfdp_bp_get_example_log_file");
    StartLoggingCFDPMessages(log_path,
                             log_filename,
                             FALSE_OR_NO);
 
    // Register the PrintMessage callback function prior to InitToolkitCfdp
    // to process error messages that may be generated during CFDP 
    // initialization.
    RegisterMessage(&PrintTheMessage);
 
    // Initialize CFDP. This funcition creates and connects the CFDP library.
    if (InitToolkitCfdp(pathname) == SUCCESS)
    {
        // Must initialize toolkit CFDP prior to recording CFDP metrics 
        strcpy(log_path,"");
        strcpy(log_filename,"cfdp_bp_get_example_metrics_file");
        StartRecordingCFDPMetricsSnapshot(log_path,log_filename);
 
        if (GetDisplayMessageMask(&message_mask) != SUCCESS)
        {
            printf("Error    Failed to GetDisplayMessageMask.\n");
        }
 
        // Register the CFDPDeviceData callback function after initialization 
        // since the CFDPDevice does not exist prior to initialization and this
        // function would fail.
        if (RegisterCFDPDeviceData(&DeviceData) != SUCCESS)
        {
            printf("Error    Failed to RegisterCFDPDeviceData.\n");
        }
 
        // Create a 1MB, 2MB and 3MB example data files pathnames.
        if (InitExampleDataFilesPathnames(pathname1MB,
                                          destination_pathname1MB,
                                          pathname2MB,
                                          destination_pathname2MB,
                                          pathname3MB,
                                          destination_pathname3MB) != SUCCESS)
        {
            printf("Error    Failed to InitExampleDataFiles.\n");
            DSCleanUp();
            return 0;
        }
 
        // Initialize the destination eid
        eid = 2;
 
        printf("\nCFDP BP Get Example\n\n");
    
        // Copy the 1MB, 2MB and 3MB file to the destination directory with 
        // the time tag appended to the file name.  
 
        // Get the 1MB file using the configuration files
        // transmission protocol defaults.
        if (Get(pathname1MB,destination_pathname1MB,eid) != SUCCESS)
        {
            printf("Error    Failed to Get.\n");
            DSCleanUp();
            return 0;
        }
        
        // Add the 2MB file to a list of "get" files using the configuration 
        // files transmission protocol defaults.
        if (AddGet(pathname2MB,destination_pathname2MB,eid) != SUCCESS)
        {
            printf("Error    Failed to AddGet.\n");
            DSCleanUp();
            return 0;
        }
        
        lifespan = 86400;
        cos = BPD_STD_PRIORITY;             
        ordinal = 0;                
        mode = BPD_ASSURED;
        criticality = BPD_NOT_CRITICAL;
        
        // Add the 3MB file to a list of "get" files specifying the
        // files transmission protocols.
        if (AddGetComponentRequestION( pathname3MB,
                                       destination_pathname3MB,
                                       eid,
                                       lifespan,
                                       cos,
                                       ordinal,
                                       mode,
                                       criticality) != SUCCESS)
        {
            printf("Error    Failed to AddGetComponentRequestION.\n");
            DSCleanUp();
            return 0;
        }
 
        if (SendAllGetRequests() != SUCCESS)
        {
            printf("Error    Failed to SendAllGetRequests.\n");
            DSCleanUp();
            return 0;
        }
        
        // Set the monitor timeout so MonitorAllCFDPTransactions will not hang
        // indefinitely waiting for a transaction to complete execution.
        timeout_in_sec = 300;
        transaction_count = 3;
        // Get the final transaction status for the three CFDP transactions.
        // NOTE: The cfdp config file "support_cfdp_status_requests" parameter 
        // and the "support_transaction_result_message" must be "true" to 
        // support transaction status monitoring.
        return_value = MonitorAllCFDPTransactions(timeout_in_sec,
                                                  &transaction_count,
                                                  &cfdp_struct_array_ptr);
        if (return_value == SUCCESS || return_value == CFDP_TIMEOUT)
        {
            // Loop through the array of cfdp structs to determine the final 
            // status of each CFDP transaction
            for (i=0; i<transaction_count;i++)
            {
                // Check for unsuccessful file transfer status (e.g.,DS_CANCEL,
                // DS_FAIL, DS_ABANDON, DS_UNKNOWN)
                if (cfdp_struct_array_ptr[i].cfdp_status == DS_SUCCESS)
                {
                    // Remove the request so subsequent calls to "Get" will not
                    // attempt to send the same files.
                    RemoveGetComponentRequest(cfdp_struct_array_ptr[i].source_pathname,
                        cfdp_struct_array_ptr[i].destination_pathname,
                        cfdp_struct_array_ptr[i].eid);
                }
                else
                {
                    // Take appropriate action
                    printf("Info     Failed to execute get file for destination pathname: %s and eid: %d.\n", 
                            cfdp_struct_array_ptr[i].destination_pathname,
                            (int)cfdp_struct_array_ptr[i].eid);
                }
            }
 
            // NOTE: Problems may develop when freeing the memory associated 
            // with the cfdp_struct_array if the CFDP library's compiler or 
            // run time environment does not match the application code's 
            // compiler or run time environment.  This method is provided to 
            // avoid those problems. The code, "free(cfdp_struct_array_ptr)" 
            // will work if the library and application code's compilers 
            // are the same.
             FreeCFDPStructArrayMemoryAlloc(cfdp_struct_array_ptr);
        }
        else
        {
            printf("Error    Failed to MonitorAllCFDPTransactions.\n");
        }
 
    }  // end if (InitToolkitCfdp(pathname) == SUCCESS)
    // Sleep 1 second prior to exiting.
    #ifdef __linux__
    sleep(2);
    #else
    Sleep(2000);
    #endif
    DSCleanUp();
    return 0;
}