/**
  * @brief Client stub
  * @author Claudiu Dragalina-Paraipan <claudiu.dragalina@ro.kaspersky.com>
  */

#ifndef __KAVCLIENTSTUB_H_INCLUDED
#define __KAVCLIENTSTUB_H_INCLUDED

#define BUFSIZE 10240

/**
  * @struct kavHeaderItem
  * @brief Structure used to keep a header line
  */
struct kavHeaderItem
{
    /// Pointer to data
    char *data;
    /// Length of data
    int slen;
};

/**
  * @struct kavHeaderItem
  * @brief linked-list used to store headers
  */
struct kavHeaderList
{
    /// Header line information
    struct kavHeaderItem data;
    /// Pointer to next item in linked-list
    struct kavHeaderList *next;
};

/**
  * @brief Scans a file
  * @param[in] fname Name of the file to be scanned
  * @param[in] sock Socket used to communicate with kavmd
  * @param[in] sender Sender
  * @param[in] rcpts Recipients
  * @param[in] qid Queue ID
  * @param[in] clid Client ID/IP
  * @param[in] serverip Server IP
  * @param[out] headers Will receive a list of headers from kavmd, after scan
  * @param[out] rejectMsg Will receive information about the reject action
  * @return Scan Result
  */
int kavProcess(const char *fname,
        const char *sock,
        const char *sender,
        const char *rcpts,
        const char *qid,
        const char *clid,
        const char *serverip,
        struct kavHeaderList **headers,
        char **rejectMsg);

#ifdef __KAVCLIENTSTUB_C
static int processLocal(const char *fname,
        int sock,
        struct kavCommandStruct *request,
        struct kavCommandStruct *response);

static int processRemote(const char *fname,
        int sock,
        struct kavCommandStruct *request,
        struct kavCommandStruct *response);

static int fillRequest(const char *sender,
        const char *rcpts,
        const char *qid,
        const char *clid,
        const char *serverip,
        struct kavCommandStruct *request);

static int processResponse(struct kavCommandStruct *response,
        struct kavHeaderList **headers,
        char **rejectMsg);

static int sendFile(const char *fname, const int sock);

static int recvFile(const char *fname, const int sock);

static struct kavHeaderList *headerAdd(struct kavHeaderList **h,
        const char * const data,
        const int slen);

static void headersDestroy(struct kavHeaderList **h);
#endif

#endif // __KAVCLIENTSTUB_H_INCLUDED