82 lines
2.0 KiB
C
82 lines
2.0 KiB
C
#ifndef DBCLIENT_H
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#define DBCLIENT_H
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#include <csse2310a4.h>
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#include <ctype.h>
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#include <netdb.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <unistd.h>
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#define GET_REQUEST "GET /public/%s HTTP/1.1\r\n\r\n"
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#define PUT_REQUEST "PUT /public/%s HTTP/1.1\r\nContent-Length: %lu\r\n\r\n%s"
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// Program exit codes
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enum ExitCodes {
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EXIT_OK = 0,
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EXIT_ERR = 1,
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EXIT_PORT_ERR = 2,
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EXIT_GET_ERR = 3,
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EXIT_PUT_ERR = 4
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};
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/* construct_header()
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* ------------------
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* Constructs the needed header to be sent
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*
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* key: the to check or update
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* value: the value to assign to the key
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*
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* Returns: the header
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*/
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char *construct_header(char *key, char *value);
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/* handle_connect()
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* ----------------
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* Handles the initial connection to the port given, updates the given
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* file descriptors pointer to the created one
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*
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* port: the port number or service to connect to
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* fd: the file descriptor that will be connected for the connection
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*
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* Returns: 1 if the address info couldnt be found, 2 if could not connect to
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* port, 0 if successful
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*/
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int handle_connect(char *port, int *fd);
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/* handle_response()
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* -----------------
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* Handles the response given from the connected server
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*
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* recv: the fd that will be used for reading
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* valueSet: if the value argument was set
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*
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* Returns: 3 if GET failed, 4 if PUT failed, 0 if successful
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*/
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int handle_response(FILE *recv, int valueSet);
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/* handle_connection()
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* -------------------
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* Handles the connection to the given port, sends a GET or PUT request
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* depending on if the value argument is not NULL
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*
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* port: the port to connect to
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* key: the key to retrieve or update
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* value: the value to update the supplied key to
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*/
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int handle_connection(char *port, char *key, char *value);
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/* is_valid_key()
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* --------------
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* Checks if the given key is valid according to the spec
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*
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* key: the key to check if valid
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*
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* Returns: 0 if not valid, 1 if valid
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*/
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int is_valid_key(char *key);
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#endif
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