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[Seobeo] Added few endpoints for handling files. [Dowa] Added few functions for random number and generating uuids
author June Park <parkjune1995@gmail.com>
date Fri, 02 Jan 2026 17:47:10 -0800
parents 5710108c949e
children 70401cf61e97
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1
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1 #ifndef SEOBEO_SERVER_H
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2 #define SEOBEO_SERVER_H
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4 /**
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5 * Seobeo
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6 * ------
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7 *
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8 * Library for starting TCP, UDP server and serving static file or path.
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9 */
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11 // Define DIRECTORY before any includes to enable directory operations in dowa.h
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12 #ifndef DIRECTORY
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13 #define DIRECTORY
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14 #endif
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15
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16 #include <stdio.h>
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17 #include <stdlib.h>
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18 #include <unistd.h>
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19 #include <errno.h>
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20 #include <string.h>
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21 #include <sys/types.h>
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22 #include <sys/socket.h>
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23 #include <netinet/in.h>
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24 #include <netdb.h>
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25 #include <arpa/inet.h>
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26 #include <sys/wait.h>
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27 #include <signal.h>
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28 #include <fcntl.h>
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29 #include <pthread.h>
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30 #include <stdatomic.h>
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31 #include <stdbool.h>
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33 #include "seobeo/seobeo_internal.h"
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35 #define INITIAL_BUFFER_CAPACITY 4096
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37 // HTTP STATUS CODE
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38 #define HTTP_OK 200
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39 #define HTTP_CREATED 201
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40 #define HTTP_MOVED_PERMANENTLY 301
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41 #define HTTP_FOUND 302
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42 #define HTTP_BAD_REQUEST 400
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43 #define HTTP_UNAUTHORIZED 401
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44 #define HTTP_FORBIDDEN 403
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45 #define HTTP_NOT_FOUND 404
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46 #define HTTP_INTERNAL_ERROR 500
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47
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48 #define CREATE_REDIRECT_HANDLER(name, target_url) \
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49 Seobeo_Request_Entry* GetRedirect##name(Seobeo_Request_Entry *req, Dowa_Arena *arena) \
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50 { \
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51 Seobeo_Request_Entry *resp = NULL; \
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52 Dowa_HashMap_Push_Arena(resp, "status", "301", arena); \
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53 Dowa_HashMap_Push_Arena(resp, "content-type", "text/plain", arena); \
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54 Dowa_HashMap_Push_Arena(resp, "Body", "", arena); \
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55 Dowa_HashMap_Push_Arena(resp, "Location", target_url, arena); \
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56 return resp; \
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57 }
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58
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59 extern volatile sig_atomic_t stop_server;
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61 // --- TCP --- //
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62 // --- Generate a Server Handle. ---//
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63 extern Seobeo_Handle *Seobeo_Stream_Handle_Server_Create(const char *host, const char* port);
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64 // --- Generate a Client Handle. ---//
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65 extern Seobeo_Handle *Seobeo_Stream_Handle_Client_Create(const char *host, const char* port, boolean use_tls);
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66 // --- Generate a Client Handle from given Server Handle. ---//
66
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67 extern Seobeo_Handle *Seobeo_Stream_Handle_Server_Accept(Seobeo_Handle *p_server_handle);
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69 // --- Web --- //
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70 /* Generate HTTP 1.1 Header value with given content_types and length. */
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71 extern void Seobeo_Web_Header_Generate(void *buffer, int status, const char *content_type, const int content_length);
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72 /* Start a Generic HTTP static file server with given folder. It will store folder into memory. */
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73 extern int Seobeo_Web_Server_Start(const char *folder_path, const char *port, Seobeo_ServerMode mode, int thread_count);
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74 /* Generic HTTP GET Rquest to given host and port with path. It will mimic chrome. */
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75 extern int Seobeo_Web_Client_Get(const char *host, const char *port, const char *path);
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77 // --- Router --- //
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78 /* Initialize the router system (called automatically by Seobeo_Web_Server_Start) */
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79 extern void Seobeo_Router_Init();
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80 /* Register an API route handler. Call before starting server. */
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81 extern void Seobeo_Router_Register(const char *method, const char *path_pattern, Seobeo_Route_Handler handler);
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82 /* Clean up router resources */
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83 extern void Seobeo_Router_Destroy();
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84 /* Find matching route handler (internal use) */
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85 extern Seobeo_Route_Handler Seobeo_Router_Find_Handler(const char *method, const char *path, Seobeo_Request_Entry **pp_request_map, Dowa_Arena *p_arena);
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86 /* Send HTTP response from response map (internal use) */
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87 extern void Seobeo_Router_Send_Response(Seobeo_Handle *p_handle, Seobeo_Request_Entry *p_response_map, Dowa_Arena *p_arena);
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88 extern char *Seobeo_Web_LoadFile(const char *file_path, size_t *p_file_size);
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89
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90 // --- Helper functions --- //
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91 /* Destroy handle. It will handle all NULL poointers. */
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92 extern void Seobeo_Handle_Destroy(Seobeo_Handle *p_handle);
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93 /* Write to socket from write_buffer in the handle. */
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94 extern int Seobeo_Handle_Flush(Seobeo_Handle *p_handle);
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95 /* Write to socket with given data source, if the data source is bigger than the write buffer for handle then we just directly write from the data source. */
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96 extern int Seobeo_Handle_Queue(Seobeo_Handle *p_handle, const uint8_t *data, uint32_t data_size);
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97 /* Read to socket from read_buffer in the handle. */
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98 extern int Seobeo_Handle_Read(Seobeo_Handle *p_handle);
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99 /* Move to read_buffer to front and we already consumed the given amount in the handle. */
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100 extern void Seobeo_Handle_Consume(Seobeo_Handle *p_handle, uint32 consumed);
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101 /* Assign IP4 or IP6 to sockaddr. TODO: Maybe create my own struct for this? */
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102 extern void *Seobeo_Get_IP4_Or_IP6(struct sockaddr *sa);
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103 #endif