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annotate seobeo/s_router.c @ 94:092afa595764

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[MrJuneJune] Added Integration tests.
author June Park <parkjune1995@gmail.com>
date Fri, 02 Jan 2026 18:13:32 -0800
parents 655ea0b661fd
children
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1 #include "seobeo/seobeo.h"
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2 #include <string.h>
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3 #include <stdio.h>
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4 #include <stdlib.h>
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5
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6 struct Seobeo_Route_Struct {
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7 char *method; // "GET", "POST", "PUT", "DELETE"
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8 char *path_pattern; // "/v1/users/:id/posts/:post_id"
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9 Seobeo_Route_Handler handler;
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10
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11 // Pre-parsed path segments for efficient matching
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12 char **path_segments; // ["v1", "users", ":id", "posts", ":post_id"]
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13 boolean *is_param; // [false, false, true, false, true]
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14 size_t segment_count;
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15 };
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16
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17 static Seobeo_Route *g_routes = NULL;
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18
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19 void Seobeo_Router_Init()
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20 {
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21 Dowa_Array_Reserve(g_routes, 20);
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22 }
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23
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24 void Seobeo_Router_Register(const char *method, const char *path_pattern, Seobeo_Route_Handler handler)
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25 {
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26 Seobeo_Route route = {0};
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27
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28 route.method = strdup(method);
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29 route.path_pattern = strdup(path_pattern);
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30 route.handler = handler;
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31 route.path_segments = Dowa_String_Split(path_pattern, "/", strlen(path_pattern), 1, NULL);
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32 route.segment_count = Dowa_Array_Length(route.path_segments);
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33 route.is_param = (boolean*)malloc(sizeof(boolean) * route.segment_count);
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34
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35 for (size_t i = 0; i < route.segment_count; i++)
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36 route.is_param[i] = (route.path_segments[i][0] == ':');
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37
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38 Dowa_Array_Push(g_routes, route);
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39 }
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40
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41 // Match route and extract path parameters
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42 static boolean match_route_and_extract(
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43 Seobeo_Route *route,
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44 const char *request_path,
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45 Seobeo_Request_Entry **pp_request_map,
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46 Dowa_Arena *p_arena)
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47 {
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48 Dowa_Arena *p_temp_arena = Dowa_Arena_Create(1024);
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49 char **request_segments = Dowa_String_Split(request_path, "/", strlen(request_path), 1, p_temp_arena);
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50 size_t request_segment_count = Dowa_Array_Length(request_segments);
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51 // Check segment count matches
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52 if (request_segment_count != route->segment_count)
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53 {
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54 Dowa_Arena_Free(p_temp_arena);
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55 return FALSE;
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56 }
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57
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58 for (size_t i = 0; i < route->segment_count; i++)
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59 {
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60 // parameters
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61 if (route->is_param[i])
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62 {
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63 char *param_name = route->path_segments[i]; // e.g., ":id"
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64 char *param_value = request_segments[i]; // e.g., "123"
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65
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66 // Should Copy to arena
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67 char *key = Dowa_String_Copy_Arena(param_name, p_arena);
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68 char *value = Dowa_String_Copy_Arena(param_value, p_arena);
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69 Dowa_HashMap_Push_Arena(*pp_request_map, key, value, p_arena);
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70 }
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71 else
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72 {
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73 // Does not match.
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74 if (strcmp(route->path_segments[i], request_segments[i]) != 0)
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75 {
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76 Dowa_Arena_Free(p_temp_arena);
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77 return FALSE;
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78 }
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79 }
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80 }
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81
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82 Dowa_Arena_Free(p_temp_arena);
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83 return TRUE;
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84 }
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85
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86 Seobeo_Route_Handler Seobeo_Router_Find_Handler(const char *method,
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87 const char *path,
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88 Seobeo_Request_Entry **pp_request_map,
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89 Dowa_Arena *p_arena) {
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90 if (g_routes == NULL)
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91 {
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92 return NULL;
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93 }
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94
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95 size_t route_count = Dowa_Array_Length(g_routes);
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96 for (size_t i = 0; i < route_count; i++)
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97 {
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98 Seobeo_Route *route = &g_routes[i];
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99 if (strcmp(route->method, method) != 0)
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100 {
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101 continue;
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102 }
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103
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104 if (match_route_and_extract(route, path, pp_request_map, p_arena))
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105 {
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106 return route->handler;
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107 }
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108 }
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109
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110 return NULL;
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111 }
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112
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113 void Seobeo_Router_Send_Response(
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114 Seobeo_Handle *p_handle,
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115 Seobeo_Request_Entry *p_response_map,
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116 Dowa_Arena *p_arena)
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117 {
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118 if (p_response_map == NULL)
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119 {
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120 char *header = Dowa_Arena_Allocate(p_arena, 1024);
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121 Seobeo_Web_Header_Generate(header, HTTP_INTERNAL_ERROR, "text/plain", 21);
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122 Seobeo_Handle_Queue(p_handle, (uint8_t*)header, strlen(header));
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123 Seobeo_Handle_Queue(p_handle, (uint8_t*)"Internal Server Error", 21);
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124 Seobeo_Handle_Flush(p_handle);
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125 return;
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126 }
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127
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128 // Header
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129 int status = HTTP_OK;
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130 void *p_status_kv = Dowa_HashMap_Get_Ptr(p_response_map, "status");
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131 if (p_status_kv)
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132 {
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133 const char *status_str = ((Seobeo_Request_Entry*)p_status_kv)->value;
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134 status = atoi(status_str);
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135 }
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136
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137 // Body
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138 const char *body = "";
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139 void *p_body_kv = Dowa_HashMap_Get_Ptr(p_response_map, "body");
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140 if (p_body_kv)
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141 {
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142 body = ((Seobeo_Request_Entry*)p_body_kv)->value;
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143 }
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144
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145 // Default text plain
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146 const char *content_type = "text/html";
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147 void *p_content_type_kv = Dowa_HashMap_Get_Ptr(p_response_map, "content-type");
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148 if (p_content_type_kv)
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149 {
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150 content_type = ((Seobeo_Request_Entry*)p_content_type_kv)->value;
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151 }
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152
92
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153 // Check for custom content-length (for binary data)
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154 size_t body_length = strlen(body);
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155 void *p_content_length_kv = Dowa_HashMap_Get_Ptr(p_response_map, "content-length");
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156 if (p_content_length_kv)
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157 {
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158 const char *content_length_str = ((Seobeo_Request_Entry*)p_content_length_kv)->value;
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159 body_length = atoi(content_length_str);
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160 }
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161
79
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162 // All other types are default thoguht to be headers.
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163 char *header = Dowa_Arena_Allocate(p_arena, 4096);
92
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164 Seobeo_Web_Header_Generate(header, status, content_type, body_length);
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165 for (int i = 0; i < Dowa_Array_Length(p_response_map); i++)
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166 {
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167 if (
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168 strstr(p_response_map[i].key, "status") ||
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169 strstr(p_response_map[i].key, "body") ||
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170 strstr(p_response_map[i].key, "content-type") ||
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171 strstr(p_response_map[i].key, "content-length") // Skip custom content-length
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172 )
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173 continue;
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174
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175 int32 current_header_len = strlen(header);
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176 char *temp = malloc(sizeof(char) * 1024);
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177 sprintf(temp, "%s: %s\r\n\r\n", p_response_map[i].key, p_response_map[i].value);
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178 memcpy(&header[current_header_len - 2 /* \r\n */], temp, strlen(temp));
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179 free(temp);
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180 }
72
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181
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182 Seobeo_Handle_Queue(p_handle, (uint8_t*)header, strlen(header));
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183 Seobeo_Handle_Queue(p_handle, (uint8_t*)body, body_length); // Use actual body length
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184 Seobeo_Handle_Flush(p_handle);
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185 }
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186
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187 void Seobeo_Router_Destroy()
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188 {
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189 if (g_routes == NULL)
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190 return;
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191
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192 size_t route_count = Dowa_Array_Length(g_routes);
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193 for (size_t i = 0; i < route_count; i++)
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194 {
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195 Seobeo_Route *route = &g_routes[i];
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196 if (route->method) free(route->method);
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197 if (route->path_pattern) free(route->path_pattern);
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198 if (route->path_segments) Dowa_Array_Free(route->path_segments);
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199 if (route->is_param) free(route->is_param);
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200 }
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201 Dowa_Array_Free(g_routes);
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202 g_routes = NULL;
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203 }