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Update huge response. More tests
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Sergey Lyubka committed
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commit
dfca896a64
8 files changed
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@@ -5,7 +5,7 @@ all: $(PROG)
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$(RUN) ./$(PROG) $(ARGS)
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$(PROG): main.c
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$(CC) ../../mongoose.c -I../.. -W -Wall -DMG_ENABLE_LINES=1 $(CFLAGS) -o $(PROG) main.c mjson.c
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$(CC) ../../mongoose.c -I../.. -W -Wall -DMG_ENABLE_LINES=1 $(CFLAGS) -o $(PROG) main.c
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clean:
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rm -rf $(PROG) *.o *.dSYM *.gcov *.gcno *.gcda *.obj *.exe *.ilk *.pdb
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@@ -11,51 +11,57 @@
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// 1. Start this server, type `make`
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// 2. Open http://localhost:8000 in your browser
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#include "mjson.h"
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#include "mongoose.h"
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static const char *s_listen_on = "http://localhost:8000";
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static const char *s_root_dir = "web_root";
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#define DATA_SIZE 10000 // Total number of elements
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#define CHUNK_SIZE 1000 // Max number returned in one API call
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static int s_data[DATA_SIZE]; // Simulate some complex big data
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static unsigned s_version = 0; // Data "version"
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#define DATA_SIZE 10000 // Total number of elements
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#define CHUNK_SIZE 100 // Max number returned in one API call
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static int s_data[DATA_SIZE]; // Simulate some complex big data
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static long s_version = 0; // Data "version"
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static double getparam(struct mg_http_message *hm, const char *json_path) {
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static long getparam(struct mg_http_message *hm, const char *json_path) {
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double dv = 0;
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mjson_get_number(hm->body.ptr, hm->body.len, json_path, &dv);
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mg_json_get_num(hm->body, json_path, &dv);
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return dv;
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}
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static size_t printdata(char *buf, size_t len, va_list *ap) {
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unsigned start = va_arg(*ap, unsigned);
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unsigned max = start + CHUNK_SIZE;
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const char *comma = "";
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size_t n = 0;
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if (max > DATA_SIZE) max = DATA_SIZE;
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while (start < max) {
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n += mg_snprintf(buf ? buf + n : 0, len < n ? 0 : len - n, "%s%d", comma,
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s_data[start]);
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comma = ",";
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start++;
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}
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return n;
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}
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static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
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if (ev == MG_EV_HTTP_MSG) {
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struct mg_http_message *hm = ev_data;
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if (mg_http_match_uri(hm, "/api/data")) {
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unsigned start = getparam(hm, "$.start");
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unsigned version = getparam(hm, "$.version");
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long start = getparam(hm, "$.start");
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long version = getparam(hm, "$.version");
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char *response = NULL;
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MG_INFO(("%.*s", (int) hm->body.len, hm->body.ptr));
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if (version > 0 && version != s_version) {
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// Version mismatch: s_data has changed while client fetches it
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// Tell client to restart
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response = mjson_aprintf("{%Q:%Q, %Q:%u}", "error", "wrong version",
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"version", version);
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response = mg_mprintf("{%Q:%Q, %Q:%ld}", "error", "wrong version",
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"version", version);
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} else {
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// Return data, up to CHUNK_SIZE elements
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unsigned max = start + CHUNK_SIZE;
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const char *comma = "";
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if (max > DATA_SIZE) max = DATA_SIZE;
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mjson_printf(mjson_print_dynamic_buf, &response, "{%Q:%u,%Q:%u,%Q:[",
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"version", s_version, "start", start, "data");
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while (start < max) {
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mjson_printf(mjson_print_dynamic_buf, &response, "%s%d", comma,
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s_data[start]);
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comma = ",";
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start++;
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}
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mjson_printf(mjson_print_dynamic_buf, &response, "]}");
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response = mg_mprintf("{%Q:%ld,%Q:%ld,%Q:[%M]}", "version", s_version,
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"start", start, "data", printdata, start);
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}
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mg_http_reply(c, 200, "Content-Type: text/json\r\n", "%s", response);
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MG_INFO(("%s", response));
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free(response);
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} else {
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struct mg_http_serve_opts opts = {0};
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@@ -78,7 +84,7 @@ int main(void) {
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struct mg_mgr mgr;
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mg_mgr_init(&mgr);
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srand(time(NULL));
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mg_timer_add(&mgr, 1000, MG_TIMER_REPEAT | MG_TIMER_RUN_NOW, timer_fn, NULL);
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mg_timer_add(&mgr, 5000, MG_TIMER_REPEAT | MG_TIMER_RUN_NOW, timer_fn, NULL);
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mg_http_listen(&mgr, s_listen_on, fn, NULL);
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MG_INFO(("Listening on %s", s_listen_on));
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for (;;) mg_mgr_poll(&mgr, 1000);
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File diff suppressed because it is too large.
Load diff
@@ -1,204 +0,0 @@
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// Copyright (c) 2018-2020 Cesanta Software Limited
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// All rights reserved
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#ifndef MJSON_H
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#define MJSON_H
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#ifndef MJSON_ENABLE_PRINT
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#define MJSON_ENABLE_PRINT 1
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#endif
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#ifndef MJSON_ENABLE_RPC
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#define MJSON_ENABLE_RPC 1
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#endif
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#ifndef MJSON_ENABLE_BASE64
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#define MJSON_ENABLE_BASE64 1
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#endif
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#ifndef MJSON_ENABLE_MERGE
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#define MJSON_ENABLE_MERGE 1
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#endif
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#ifndef MJSON_ENABLE_PRETTY
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#define MJSON_ENABLE_PRETTY 1
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#endif
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#ifndef MJSON_ENABLE_NEXT
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#define MJSON_ENABLE_NEXT 1
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#endif
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#ifndef MJSON_RPC_LIST_NAME
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#define MJSON_RPC_LIST_NAME "rpc.list"
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#endif
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#ifndef MJSON_DYNBUF_CHUNK
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#define MJSON_DYNBUF_CHUNK 256 // Allocation granularity for print_dynamic_buf
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define MJSON_ERROR_INVALID_INPUT (-1)
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#define MJSON_ERROR_TOO_DEEP (-2)
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#define MJSON_TOK_INVALID 0
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#define MJSON_TOK_KEY 1
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#define MJSON_TOK_STRING 11
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#define MJSON_TOK_NUMBER 12
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#define MJSON_TOK_TRUE 13
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#define MJSON_TOK_FALSE 14
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#define MJSON_TOK_NULL 15
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#define MJSON_TOK_ARRAY 91
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#define MJSON_TOK_OBJECT 123
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#define MJSON_TOK_IS_VALUE(t) ((t) > 10 && (t) < 20)
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typedef int (*mjson_cb_t)(int ev, const char *s, int off, int len, void *ud);
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#ifndef MJSON_MAX_DEPTH
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#define MJSON_MAX_DEPTH 20
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#endif
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int mjson(const char *s, int len, mjson_cb_t cb, void *ud);
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int mjson_find(const char *s, int len, const char *jp, const char **, int *);
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int mjson_get_number(const char *s, int len, const char *path, double *v);
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int mjson_get_bool(const char *s, int len, const char *path, int *v);
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int mjson_get_string(const char *s, int len, const char *path, char *to, int n);
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int mjson_get_hex(const char *s, int len, const char *path, char *to, int n);
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#if MJSON_ENABLE_NEXT
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int mjson_next(const char *s, int n, int off, int *koff, int *klen, int *voff,
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int *vlen, int *vtype);
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#endif
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#if MJSON_ENABLE_BASE64
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int mjson_get_base64(const char *s, int len, const char *path, char *to, int n);
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int mjson_base64_dec(const char *src, int n, char *dst, int dlen);
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#endif
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#if MJSON_ENABLE_PRINT
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typedef int (*mjson_print_fn_t)(const char *buf, int len, void *userdata);
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typedef int (*mjson_vprint_fn_t)(mjson_print_fn_t, void *, va_list *);
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struct mjson_fixedbuf {
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char *ptr;
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int size, len;
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};
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int mjson_printf(mjson_print_fn_t, void *, const char *fmt, ...);
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int mjson_vprintf(mjson_print_fn_t, void *, const char *fmt, va_list *ap);
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int mjson_print_str(mjson_print_fn_t, void *, const char *s, int len);
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int mjson_print_int(mjson_print_fn_t, void *, int value, int is_signed);
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int mjson_print_long(mjson_print_fn_t, void *, long value, int is_signed);
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int mjson_print_buf(mjson_print_fn_t fn, void *, const char *buf, int len);
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int mjson_print_dbl(mjson_print_fn_t fn, void *, double, int width);
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int mjson_print_null(const char *ptr, int len, void *userdata);
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int mjson_print_fixed_buf(const char *ptr, int len, void *userdata);
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int mjson_print_dynamic_buf(const char *ptr, int len, void *userdata);
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int mjson_snprintf(char *buf, size_t len, const char *fmt, ...);
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char *mjson_aprintf(const char *fmt, ...);
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#if MJSON_ENABLE_PRETTY
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int mjson_pretty(const char *, int, const char *, mjson_print_fn_t, void *);
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#endif
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#if MJSON_ENABLE_MERGE
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int mjson_merge(const char *, int, const char *, int, mjson_print_fn_t, void *);
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#endif
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#endif // MJSON_ENABLE_PRINT
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#if MJSON_ENABLE_RPC
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void jsonrpc_init(mjson_print_fn_t, void *userdata);
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int mjson_globmatch(const char *s1, int n1, const char *s2, int n2);
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struct jsonrpc_request {
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struct jsonrpc_ctx *ctx;
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const char *frame; // Points to the whole frame
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int frame_len; // Frame length
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const char *params; // Points to the "params" in the request frame
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int params_len; // Length of the "params"
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const char *id; // Points to the "id" in the request frame
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int id_len; // Length of the "id"
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const char *method; // Points to the "method" in the request frame
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int method_len; // Length of the "method"
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mjson_print_fn_t fn; // Printer function
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void *fndata; // Printer function data
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void *userdata; // Callback's user data as specified at export time
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};
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struct jsonrpc_method {
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const char *method;
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int method_sz;
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void (*cb)(struct jsonrpc_request *);
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struct jsonrpc_method *next;
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};
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// Main RPC context, stores current request information and a list of
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// exported RPC methods.
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struct jsonrpc_ctx {
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struct jsonrpc_method *methods;
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mjson_print_fn_t response_cb;
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void *response_cb_data;
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};
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// Registers function fn under the given name within the given RPC context
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#define jsonrpc_ctx_export(ctx, name, fn) \
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do { \
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static struct jsonrpc_method m = {(name), sizeof(name) - 1, (fn), 0}; \
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m.next = (ctx)->methods; \
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(ctx)->methods = &m; \
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} while (0)
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void jsonrpc_ctx_init(struct jsonrpc_ctx *ctx, mjson_print_fn_t, void *);
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void jsonrpc_return_error(struct jsonrpc_request *r, int code,
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const char *message, const char *data_fmt, ...);
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void jsonrpc_return_success(struct jsonrpc_request *r, const char *result_fmt,
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...);
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void jsonrpc_ctx_process(struct jsonrpc_ctx *ctx, const char *req, int req_sz,
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mjson_print_fn_t fn, void *fndata, void *userdata);
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extern struct jsonrpc_ctx jsonrpc_default_context;
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extern void jsonrpc_list(struct jsonrpc_request *r);
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#define jsonrpc_export(name, fn) \
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jsonrpc_ctx_export(&jsonrpc_default_context, (name), (fn))
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#define jsonrpc_process(buf, len, fn, fnd, ud) \
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jsonrpc_ctx_process(&jsonrpc_default_context, (buf), (len), (fn), (fnd), (ud))
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#define JSONRPC_ERROR_INVALID -32700 /* Invalid JSON was received */
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#define JSONRPC_ERROR_NOT_FOUND -32601 /* The method does not exist */
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#define JSONRPC_ERROR_BAD_PARAMS -32602 /* Invalid params passed */
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#define JSONRPC_ERROR_INTERNAL -32603 /* Internal JSON-RPC error */
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#endif // MJSON_ENABLE_RPC
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#ifdef __cplusplus
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}
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#endif
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#endif // MJSON_H
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