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curl_api.c
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curl_api.c
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/***************************************************************************
* Copyright (C) 2017 - 2020, Lanka Hsu, <lankahsu@gmail.com>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "utilx9.h"
#include <sys/stat.h> // for fstat
#define DBG_TMP_Y(format,args...) //DBG_DB_LN
#define DBG_TMP_DUMP(ibuf,ilen,delim,format,args...) //DBG_TR_DUMP
static size_t dummy_fp2body_cb(char *ptr, size_t size, size_t nmemb, void *context)
{
// my side(fp) -> server
size_t bytec = size * nmemb;
bytec = SAFE_FREAD(ptr, 1, (size * nmemb), (FILE *)context);
return bytec;
}
#if (0)
static size_t dummy_buff2body_cb(void *ptr, size_t size, size_t nmemb, void *context)
{
// my side(buff) -> server
HttpX_t *http_req = (HttpX_t *)context;
SimpleRequest_t *simple_req = (SimpleRequest_t *)&http_req->simple_req;
int len = simple_req->req_size - simple_req->req_pos;
if (len>0)
{
if (len > size * nmemb)
{
len = size * nmemb;
}
//memcpy(ptr, simple_req->request + simple_req->req_pos, len);
memcpy(ptr, "Hello World!!!", len);
simple_req->req_pos += len;
}
else
{
len = 0;
}
return len;
}
#endif
#ifdef UTIL_EX_CURL_RTSP
static size_t dummy_header_cb(char *ptr, size_t size, size_t nmemb, void *context)
{
// my side <- server
size_t bytec = size * nmemb;
DBG_TMP_Y("(bytec: %zd, ptr: %s)", bytec, str_trim(ptr));
return bytec;
}
static size_t dummy_body_cb(char *ptr, size_t size, size_t nmemb, void *context)
{
// my side <- server
size_t bytec = size * nmemb;
DBG_TMP_DUMP(ptr, bytec, " ", "(bytec: %zu)", bytec);
return bytec;
}
#endif
static size_t simple_body_cb(char *ptr, size_t size, size_t nmemb, void *context)
{
// my side <- server
size_t bytec = size * nmemb;
HttpX_t *http_req = (HttpX_t *)context;
SimpleRequest_t *simple_req = (SimpleRequest_t *)&http_req->simple_req;
size_t new_len = simple_req->res_size + bytec + 1;
char *new_buff = SAFE_REALLOC(simple_req->response, new_len);
if (new_buff == NULL)
{
DBG_ER_LN("SAFE_REALLOC error !!! (res_size: %zd -> %zd)", simple_req->res_size, new_len);
return 0;
}
simple_req->response = new_buff;
SAFE_MEMCPY(&(simple_req->response[simple_req->res_size]), ptr, bytec, new_len - simple_req->res_size);
simple_req->res_size += bytec;
simple_req->response[simple_req->res_size] = 0;
return bytec;
}
static size_t soap_body_cb(char *ptr, size_t size, size_t nmemb, void *context)
{
// my side <- server
size_t bytec = size * nmemb;
HttpX_t *http_req = (HttpX_t *)context;
SoapRequest_t *soap_req = (SoapRequest_t *)&http_req->soap_req;
size_t new_len = soap_req->res_size + bytec + 1;
char *new_buff = SAFE_REALLOC(soap_req->response, new_len);
if (new_buff == NULL)
{
DBG_ER_LN("SAFE_REALLOC error !!! (size: %zd -> %zd)", soap_req->res_size, new_len);
return 0;
}
soap_req->response = new_buff;
SAFE_MEMCPY(&(soap_req->response[soap_req->res_size]), ptr, bytec, new_len - soap_req->res_size);
soap_req->res_size += bytec;
soap_req->response[soap_req->res_size] = 0;
return bytec;
}
static size_t uploadfile_body_cb(char *ptr, size_t size, size_t nmemb, void *context)
{
// my side <- server
size_t bytec = size * nmemb;
HttpX_t *http_req = (HttpX_t *)context;
FileRequest_t *file_req = (FileRequest_t *)&http_req->file_req;
size_t new_len = file_req->res_size + bytec + 1;
char *new_buff = SAFE_REALLOC(file_req->response, new_len);
if (new_buff == NULL)
{
DBG_ER_LN("SAFE_REALLOC error !!! (size: %zd -> %zd)", file_req->res_size, new_len);
return 0;
}
file_req->response = new_buff;
SAFE_MEMCPY(&(file_req->response[file_req->res_size]), ptr, bytec, new_len - file_req->res_size);
file_req->res_size += bytec;
file_req->response[file_req->res_size] = 0;
return bytec;
}
static int http_request_simple(HttpX_t *http_req)
{
int ret = -1;
SimpleRequest_t *simple_req = (SimpleRequest_t *)&http_req->simple_req;
//DBG_TR_LN("enter (simple_req->method: %d, request: %s)", simple_req->method, simple_req->request);
DBG_TR_LN("enter (simple_req->method: %d)", simple_req->method);
if (strlen(http_req->url) > 0)
{
{
curl_global_init(CURL_GLOBAL_DEFAULT);
CURL *curl = curl_easy_init();
http_req->curl = curl;
CURLcode curl_res;
{
curl_easy_setopt(curl, CURLOPT_URL, http_req->url);
if (http_req->port!=0)
{
curl_easy_setopt(curl, CURLOPT_PORT, http_req->port);
}
}
{
// ** Auth **
if (SAFE_STRNCMP(http_req->url, "https", strlen("https")) == 0)
{
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0);
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0);
//curl_easy_setopt(curl, CURLOPT_SSLVERSION, 3);
curl_easy_setopt(curl, CURLOPT_CAINFO, PJ_INSTALL_IOT "/cert/curl/cacert.pem");
}
if ((http_req->user) && (http_req->password))
{
curl_easy_setopt(curl, CURLOPT_HTTPAUTH, (long)CURLAUTH_ANY);
curl_easy_setopt(curl, CURLOPT_USERNAME, http_req->user);
curl_easy_setopt(curl, CURLOPT_PASSWORD, http_req->password);
}
}
{
// ** Debug & Timeout **
curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, MAX_OF_CURL_CONNECTTIMEOUT);
curl_easy_setopt(curl, CURLOPT_TIMEOUT, MAX_OF_CURL_TIMEOUT);
curl_easy_setopt(curl, CURLOPT_VERBOSE, VAL_OF_CURLOPT_VERBOSE);
// ** redirected **
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
}
{
// ** Header **
if (simple_req->headers)
{
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, simple_req->headers);
}
}
{
// ** Body **
if (simple_req->request)
{
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, simple_req->request);
}
switch (simple_req->method)
{
case HTTP_METHOD_ID_POST:
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "POST");
break;
case HTTP_METHOD_ID_GET:
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "GET");
break;
case HTTP_METHOD_ID_PUT:
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "PUT");
break;
case HTTP_METHOD_ID_DELETE:
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "DELETE");
break;
case HTTP_METHOD_ID_PATCH:
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "PATCH");
break;
case HTTP_METHOD_ID_OPTIONS:
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "OPTIONS");
break;
case HTTP_METHOD_ID_HEAD:
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "HEAD");
break;
default:
break;
}
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, simple_body_cb);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)http_req);
}
curl_res = curl_easy_perform(curl);
/* Check for errors */
if (curl_res != CURLE_OK)
{
SAFE_SNPRINTF(http_req->log, sizeof(http_req->log), "%d %s !!! (url: %s)", curl_res, curl_easy_strerror(curl_res), http_req->url);
}
else
{
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &http_req->response_code);
ret = 0;
}
/* always cleanup */
http_req->curl = NULL;
curl_easy_cleanup(curl);
curl_global_cleanup();
}
}
else
{
SAFE_SNPRINTF(http_req->log, sizeof(http_req->log), "soap_req->request is NULL !!!");
}
DBG_TR_LN("ret: %d, %s", ret, http_req->log);
return ret;
}
static int http_request_soap(HttpX_t *http_req)
{
int ret = -1;
SoapRequest_t *soap_req = (SoapRequest_t *)&http_req->soap_req;
DBG_TR_LN("enter (soap_req->h_action: %s)", soap_req->h_action);
if (soap_req->request)
{
{
curl_global_init(CURL_GLOBAL_DEFAULT);
CURL *curl = curl_easy_init();
http_req->curl = curl;
CURLcode curl_res;
{
curl_easy_setopt(curl, CURLOPT_URL, http_req->url);
if (http_req->port!=0)
{
curl_easy_setopt(curl, CURLOPT_PORT, http_req->port);
}
}
{
// ** Auth **
if (SAFE_STRNCMP(http_req->url, "https", strlen("https")) == 0)
{
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0);
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0);
//curl_easy_setopt(curl, CURLOPT_SSLVERSION, 3);
}
if ((http_req->user) && (http_req->password))
{
curl_easy_setopt(curl, CURLOPT_HTTPAUTH, (long)CURLAUTH_ANY);
curl_easy_setopt(curl, CURLOPT_USERNAME, http_req->user);
curl_easy_setopt(curl, CURLOPT_PASSWORD, http_req->password);
}
}
{
// ** Debug & Timeout **
curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, MAX_OF_CURL_CONNECTTIMEOUT);
curl_easy_setopt(curl, CURLOPT_TIMEOUT, MAX_OF_CURL_TIMEOUT);
curl_easy_setopt(curl, CURLOPT_VERBOSE, VAL_OF_CURLOPT_VERBOSE);
// ** redirected **
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
}
{
// ** Header **
soap_req->headers = curl_slist_append(soap_req->headers, "Content-Type: application/soap+xml; charset=utf-8");
soap_req->headers = curl_slist_append(soap_req->headers, "Accept-Encoding: gzip, deflate");
//headers = curl_slist_append(headers, soap_req->h_action);
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, soap_req->headers);
}
{
// ** Body **
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, soap_req->request);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, soap_body_cb);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)http_req);
}
curl_res = curl_easy_perform(curl);
/* Check for errors */
if (curl_res != CURLE_OK)
{
SAFE_SNPRINTF(http_req->log, sizeof(http_req->log), "%d %s !!! (url: %s, h_action: %s)", curl_res, curl_easy_strerror(curl_res), http_req->url, soap_req->h_action);
}
else
{
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &http_req->response_code);
ret = 0;
}
/* always cleanup */
http_req->curl = NULL;
curl_easy_cleanup(curl);
curl_global_cleanup();
}
}
else
{
SAFE_SNPRINTF(http_req->log, sizeof(http_req->log), "soap_req->request is NULL !!!");
}
DBG_TR_LN("ret: %d, %s", ret, http_req->log);
return ret;
}
static int http_request_uploadfile(HttpX_t *http_req)
{
int ret = -1;
FileRequest_t *file_req = (FileRequest_t *)&http_req->file_req;
DBG_TR_LN("enter (file_req->filename: %s)", file_req->filename);
file_req->fp = SAFE_FOPEN(file_req->filename, "rb"); /* open file to upload */
if (file_req->fp)
{
struct stat file_info;
if (fstat(SAFE_FILENO(file_req->fp), &file_info) != 0)
{
SAFE_SNPRINTF(http_req->log, sizeof(http_req->log), "fstat error !!! (url: %s, filename: %s)", http_req->url, file_req->filename);
}
else
{
curl_global_init(CURL_GLOBAL_DEFAULT);
CURL *curl = curl_easy_init();
http_req->curl = curl;
CURLcode curl_res;
curl_easy_setopt(curl, CURLOPT_URL, http_req->url);
{
// ** Auth **
if (SAFE_STRNCMP(http_req->url, "https", strlen("https")) == 0)
{
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0);
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0);
//curl_easy_setopt(curl, CURLOPT_SSLVERSION, 3);
}
if ((http_req->user) && (http_req->password))
{
curl_easy_setopt(curl, CURLOPT_HTTPAUTH, (long)CURLAUTH_ANY);
curl_easy_setopt(curl, CURLOPT_USERNAME, http_req->user);
curl_easy_setopt(curl, CURLOPT_PASSWORD, http_req->password);
}
}
{
// ** Debug & Timeout **
curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, MAX_OF_CURL_CONNECTTIMEOUT);
curl_easy_setopt(curl, CURLOPT_TIMEOUT, MAX_OF_CURL_TIMEOUT);
curl_easy_setopt(curl, CURLOPT_VERBOSE, VAL_OF_CURLOPT_VERBOSE);
// ** redirected **
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
}
{
// ** Header **
file_req->headers = curl_slist_append(file_req->headers, "Content-Type: application/octet-stream");
//headers = curl_slist_append(headers, "Content-Type: image/jpeg");
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, file_req->headers);
}
{
// ** Body **
if (file_req->method == HTTP_METHOD_ID_POST)
{
curl_easy_setopt(curl, CURLOPT_POST, 1L);
curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE_LARGE, (curl_off_t)file_info.st_size);
curl_easy_setopt(curl, CURLOPT_READFUNCTION, dummy_fp2body_cb);
curl_easy_setopt(curl, CURLOPT_READDATA, (void *)file_req->fp);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, uploadfile_body_cb);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)http_req);
}
else
{
curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE, (curl_off_t)file_info.st_size);
curl_easy_setopt(curl, CURLOPT_READDATA, file_req->fp);
}
}
curl_res = curl_easy_perform(curl);
/* Check for errors */
if (curl_res != CURLE_OK)
{
SAFE_SNPRINTF(http_req->log, sizeof(http_req->log), "%d %s !!! (url: %s, filename: %s)", curl_res, curl_easy_strerror(curl_res), http_req->url, file_req->filename);
}
else
{
CURL_OFF_X size_upload, speed_upload;
double total_time;
curl_easy_getinfo(curl, CURLINFO_SIZE_UPLOAD_X, &size_upload);
curl_easy_getinfo(curl, CURLINFO_SPEED_UPLOAD_X, &speed_upload);
curl_easy_getinfo(curl, CURLINFO_TOTAL_TIME, &total_time);
SAFE_SNPRINTF(http_req->log, sizeof(http_req->log), "Upload Ok !!! (%s, %ld bytes, %ld bytes/sec, total: %.3f secs)", file_req->filename, size_upload, speed_upload, total_time);
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &http_req->response_code);
ret = 0;
}
/* always cleanup */
http_req->curl = NULL;
curl_easy_cleanup(curl);
curl_global_cleanup();
}
SAFE_FCLOSE(file_req->fp);
}
else
{
SAFE_SNPRINTF(http_req->log, sizeof(http_req->log), "SAFE_FOPEN error !!! (url: %s, filename: %s)", http_req->url, file_req->filename);
}
DBG_TR_LN("ret: %d, %s", ret, http_req->log);
return ret;
}
#ifdef UTIL_EX_CURL_RTSP
#include <termios.h>
#include <unistd.h>
#define RANGE_OF_RTSP "npt=0.000-" // "0.000-" "npt=0-"
static size_t rtsp_options_header_cb(char *ptr, size_t size, size_t nmemb, void *context)
{
size_t bytec = size * nmemb;
HttpX_t *http_req = (HttpX_t *)context;
if (http_req)
{
if (SAFE_STRSTR(ptr, "Public:"))
{
RTSPRequest_t *rtsp_req = (RTSPRequest_t *)&http_req->rtsp_req;
QBUF_t *qoption = &rtsp_req->qoption;
DBG_TMP_Y("(ptr: %s)", ptr);
qbuf_write(qoption, ptr, bytec);
}
}
return bytec;
}
// send RTSP OPTIONS request
static CURLcode rtsp_options(HttpX_t *http_req, CURL *curl)
{
CURLcode curl_res = CURLE_OK;
RTSPRequest_t *rtsp_req = (RTSPRequest_t *)&http_req->rtsp_req;
rtsp_req->CSeq ++;
qbuf_init(&rtsp_req->qoption, MAX_OF_QBUF_1MB);
{
curl_easy_setopt(curl, CURLOPT_RTSP_STREAM_URI, http_req->url);
curl_easy_setopt(curl, CURLOPT_RTSP_REQUEST, (long)CURL_RTSPREQ_OPTIONS);
}
{
// ** Header **
curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, rtsp_options_header_cb);
curl_easy_setopt(curl, CURLOPT_HEADERDATA, (void *)http_req);
}
curl_res = curl_easy_perform(curl);
if (curl_res != CURLE_OK)
{
DBG_ER_LN("%d %s !!! (url: %s)", curl_res, curl_easy_strerror(curl_res), http_req->url);
}
DBG_DB_LN("(qoption: %s)", qbuf_buff(&rtsp_req->qoption));
return curl_res;
}
static size_t rtsp_describe_header_cb(char *ptr, size_t size, size_t nmemb, void *context)
{
HttpX_t *http_req = (HttpX_t *)context;
size_t bytec = size * nmemb;
if (http_req)
{
DBG_TMP_Y("(ptr: %s)", ptr);
}
return bytec;
}
// scan sdp file for media control attribute
static void rtsp_describe_parse(HttpX_t *http_req)
{
if (http_req)
{
RTSPRequest_t *rtsp_req = (RTSPRequest_t *)&http_req->rtsp_req;
QBUF_t *qdescribe = &rtsp_req->qdescribe;
char *saveptr = qbuf_buff(qdescribe);;
char *token = NULL;
int mtype = 0; // 0: video, 1: audio
while ((token = SAFE_STRTOK_R(NULL, "\r\n", &saveptr)))
{
//DBG_DB_LN(">>>>>>>> (token: %s)", token);
if (SAFE_STRNCMP(token, "a=control:", strlen("a=control:")) == 0)
{
char track[LEN_OF_VAL32] = "";
SAFE_SSCANF(token, "a=control:%s", track);
if ((SAFE_STRCMP(track, "*")==0))
{
// find next
}
else if ((strlen(track)>0) && (rtsp_req->no_of_track<=MAX_OF_RTSP_TRACK))
{
//DBG_DB_LN(">>>>>>>> (mtype: %d, rtsp_req->no_of_track: %d)", mtype, rtsp_req->no_of_track);
if (mtype == 0) // video
{
SAFE_SNPRINTF(rtsp_req->track[rtsp_req->no_of_track], sizeof(rtsp_req->track[rtsp_req->no_of_track]), "%s", track);
DBG_DB_LN("(rtsp_req->control: %s)", rtsp_req->track[rtsp_req->no_of_track]);
rtsp_req->no_of_track ++;
}
}
}
else if (SAFE_STRNCMP(token, "m=video", strlen("m=video")) == 0)
{
mtype = 0;
//DBG_DB_LN(">>>>>>>> (mtype: %d)", mtype);
}
else if (SAFE_STRNCMP(token, "a=fmtp:", strlen("a=fmtp:")) == 0)
{
#if (0)
char pmode_str[LEN_OF_VAL32] = "";
char *pmode = SAFE_STRSTR(token, "packetization-mode=");
SAFE_SSCANF(pmode, "packetization-mode=%s;", pmode_str);
//DBG_DB_LN(">>>>>>>> (pmode: %d)", atoi(pmode_str));
char plid_str[LEN_OF_VAL32] = "";
char *plid = SAFE_STRSTR(token, "profile-level-id=");
SAFE_SSCANF(plid, "profile-level-id=%s;", plid_str);
//DBG_DB_LN(">>>>>>>> (plid: %d)", atoi(plid_str));
#endif
char sps_str[LEN_OF_VAL64] = "";
char *sps = SAFE_STRSTR(token, "sprop-parameter-sets=");
#ifdef UTIL_EX_SSL
if (sps)
{
// h264
SAFE_SSCANF(sps, "sprop-parameter-sets=%s", sps_str);
//DBG_DB_LN(">>>>>>>> (sps: %s)", sps_str);
char *token_sps = NULL;
char *saveptr_sps = sps_str;
while ((token_sps = SAFE_STRTOK_R(NULL, ",", &saveptr_sps)))
{
int sps_dec_len = 0;
char *sps_dec = sec_base64_dec(token_sps, strlen(token_sps), &sps_dec_len);
DBG_TMP_Y("(token_sps: %ld %s)", strlen(token_sps), token_sps);
DBG_TMP_DUMP(sps_dec, sps_dec_len, " ", "(sps_dec_len: %d)", sps_dec_len);
if (rtsp_req->fp)
{
unsigned char nal_header[4] = {0x00, 0x00, 0x00, 0x01};
SAFE_FWRITE(&nal_header, 1, sizeof(nal_header), rtsp_req->fp);
SAFE_FWRITE(sps_dec, 1, sps_dec_len, rtsp_req->fp);
}
SAFE_FREE(sps_dec);
}
}
#endif
}
else if (SAFE_STRNCMP(token, "m=audio", strlen("m=audio")) == 0)
{
mtype = 1;
//DBG_DB_LN(">>>>>>>> (mtype: %d)", mtype);
}
}
//DBG_DB_LN(">>>>>>>> exit");
}
}
static size_t rtsp_describe_body_cb(char *ptr, size_t size, size_t nmemb, void *context)
{
HttpX_t *http_req = (HttpX_t *)context;
size_t bytec = size * nmemb;
if (http_req)
{
RTSPRequest_t *rtsp_req = (RTSPRequest_t *)&http_req->rtsp_req;
QBUF_t *qdescribe = &rtsp_req->qdescribe;
qbuf_write(qdescribe, ptr, bytec);
}
return bytec;
}
static CURLcode rtsp_describe(HttpX_t *http_req, CURL *curl)
{
CURLcode curl_res = CURLE_OK;
RTSPRequest_t *rtsp_req = (RTSPRequest_t *)&http_req->rtsp_req;
rtsp_req->CSeq ++;
qbuf_init(&rtsp_req->qdescribe, MAX_OF_QBUF_1MB);
{
curl_easy_setopt(curl, CURLOPT_RTSP_STREAM_URI, http_req->url);
curl_easy_setopt(curl, CURLOPT_RTSP_REQUEST, (long)CURL_RTSPREQ_DESCRIBE);
}
{
// ** Header **
curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, rtsp_describe_header_cb);
curl_easy_setopt(curl, CURLOPT_HEADERDATA, (void *)http_req);
//curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, NULL);
//curl_easy_setopt(curl, CURLOPT_HEADERDATA, (void *)NULL);
}
{
// ** Body **
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, rtsp_describe_body_cb);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)http_req);
}
curl_res = curl_easy_perform(curl);
if (curl_res != CURLE_OK)
{
DBG_ER_LN("%d %s !!! (url: %s)", curl_res, curl_easy_strerror(curl_res), http_req->url);
}
DBG_DB_LN("(qdescribe: %s)", qbuf_buff(&rtsp_req->qdescribe));
return curl_res;
}
static size_t rtsp_setup_header_cb(char *ptr, size_t size, size_t nmemb, void *context)
{
HttpX_t *http_req = (HttpX_t *)context;
size_t bytec = size * nmemb;
DBG_TMP_Y("(bytec: %zd, ptr: %s)", bytec, str_trim(ptr));
char *session = NULL;
if ((session = SAFE_STRSTR(ptr, "Session:")))
{
session += strlen("Session:");
char *saveptr = NULL;
char *first = SAFE_STRTOK_R(session, ";", &saveptr);
SAFE_SNPRINTF(http_req->rtsp_req.session, sizeof(http_req->rtsp_req.session), "%s", first);
str_trim(http_req->rtsp_req.session);
//char *second = SAFE_STRTOK_R(NULL, ";", &saveptr);
//DBG_DB_LN(">>>>>>> (session: %s)", http_req->rtsp_req.session);
}
return bytec;
}
static CURLcode rtsp_setup(HttpX_t *http_req, CURL *curl, int track_id)
{
CURLcode curl_res = CURLE_OK;
RTSPRequest_t *rtsp_req = (RTSPRequest_t *)&http_req->rtsp_req;
rtsp_req->CSeq ++;
{
char *url= NULL;
char transport[LEN_OF_VAL64] = "";
SAFE_ASPRINTF(url, "%s/%s", http_req->url, rtsp_req->track[track_id]);
if (url)
{
if (rtsp_req->interleaved == 0)
{
// use udp port
SAFE_SNPRINTF(transport, sizeof(transport), "RTP/AVP;unicast;client_port=%d-%d", rtsp_req->rtp_port+track_id*2, rtsp_req->rtp_port+track_id*2+1);
}
else
{
// use the same session
SAFE_SNPRINTF(transport, sizeof(transport), "RTP/AVP/TCP;unicast;interleaved=0-1");
}
DBG_DB_LN("(url: %s, %s)", url, transport);
curl_easy_setopt(curl, CURLOPT_RTSP_STREAM_URI, url);
curl_easy_setopt(curl, CURLOPT_RTSP_TRANSPORT, transport);
curl_easy_setopt(curl, CURLOPT_RTSP_REQUEST, (long)CURL_RTSPREQ_SETUP);
if (strlen(rtsp_req->session))
{
curl_easy_setopt(curl, CURLOPT_RTSP_SESSION_ID, rtsp_req->session);
}
SAFE_FREE(url);
}
}
{
// ** Header **
curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, rtsp_setup_header_cb);
curl_easy_setopt(curl, CURLOPT_HEADERDATA, (void *)http_req);
//curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, NULL);
//curl_easy_setopt(curl, CURLOPT_HEADERDATA, (void *)NULL);
}
{
// ** Body **
//curl_easy_setopt(curl, CURLOPT_WRITEDATA, stdout);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, dummy_body_cb);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)http_req);
}
curl_res = curl_easy_perform(curl);
if (curl_res != CURLE_OK)
{
DBG_ER_LN("%d %s !!! (url: %s)", curl_res, curl_easy_strerror(curl_res), http_req->url);
}
return curl_res;
}
static size_t rtsp_play_body_cb(char *ptr, size_t size, size_t nmemb, void *context)
{
size_t bytec = size * nmemb;
//DBG_TMP_DUMP(ptr, bytec, " ", "(bytec: %ld)", bytec);
HttpX_t *http_req = (HttpX_t *)context;
if (http_req)
{
//unsigned char magic = ptr[0];
unsigned char channel = ptr[1];
unsigned long length = byte2big_endian(2, (unsigned char*)ptr+2);
if (channel==0)
{
RTSPRequest_t *rtsp_req = (RTSPRequest_t *)&http_req->rtsp_req;
RTPX_t *rtp_req = (RTPX_t*)rtsp_req->rtp_req;
rtp_body_parse(rtp_req, ptr+4, length);
}
}
return bytec;
}
static CURLcode rtsp_play(HttpX_t *http_req, CURL *curl)
{
CURLcode curl_res = CURLE_OK;
RTSPRequest_t *rtsp_req = (RTSPRequest_t *)&http_req->rtsp_req;
rtsp_req->CSeq ++;
{
char *url = NULL;
SAFE_ASPRINTF(url, "%s", http_req->url);
if (url)
{
curl_easy_setopt(curl, CURLOPT_RTSP_STREAM_URI, url);
curl_easy_setopt(curl, CURLOPT_RANGE, RANGE_OF_RTSP);
curl_easy_setopt(curl, CURLOPT_RTSP_REQUEST, (long)CURL_RTSPREQ_PLAY);
SAFE_FREE(url);
}
}
{
// ** Header **
curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, dummy_header_cb);
curl_easy_setopt(curl, CURLOPT_HEADERDATA, (void *)http_req);
}
{
// ** Body **
//curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, dummy_body_cb);
//curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)http_req);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, NULL);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)NULL);
if (rtsp_req->interleaved != 0)
{
//curl_easy_setopt(curl, CURLOPT_TCP_KEEPALIVE, 1L);
curl_easy_setopt(curl, CURLOPT_INTERLEAVEFUNCTION, rtsp_play_body_cb);
curl_easy_setopt(curl, CURLOPT_INTERLEAVEDATA, (void *)http_req);
}
}
curl_res = curl_easy_perform(curl);
if (curl_res != CURLE_OK)
{
DBG_ER_LN("%d %s !!! (url: %s)", curl_res, curl_easy_strerror(curl_res), http_req->url);
}
curl_easy_setopt(curl, CURLOPT_RANGE, NULL);
return curl_res;
}
static CURLcode rtsp_receive(HttpX_t *http_req, CURL *curl)
{
CURLcode curl_res = CURLE_OK;
RTSPRequest_t *rtsp_req = (RTSPRequest_t *)&http_req->rtsp_req;
if (rtsp_req->interleaved != 0)
{
curl_res = curl_easy_setopt(curl, CURLOPT_RTSP_REQUEST, (long)CURL_RTSPREQ_RECEIVE);
curl_res = curl_easy_perform(curl);
//DBG_ER_LN("%d %s", res, curl_easy_strerror(res));
}
sleep(1);
return curl_res;
}
static CURLcode rtsp_teardown(HttpX_t *http_req, CURL *curl)
{
CURLcode curl_res = CURLE_OK;
//RTSPRequest_t *rtsp_req = (RTSPRequest_t *)&http_req->rtsp_req;
{
curl_easy_setopt(curl, CURLOPT_RTSP_REQUEST, (long)CURL_RTSPREQ_TEARDOWN);
}
{
// ** Header **
curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, NULL);
curl_easy_setopt(curl, CURLOPT_HEADERDATA, (void *)stdout);
}
curl_res = curl_easy_perform(curl);
if (curl_res != CURLE_OK)
{
DBG_ER_LN("%d %s !!! (url: %s)", curl_res, curl_easy_strerror(curl_res), http_req->url);
}
return curl_res;
}
static int rtsp_getch(void)
{
struct termios oldt, newt;
int ch;
tcgetattr(STDIN_FILENO, &oldt);
newt = oldt;
newt.c_lflag &= ~(ICANON | ECHO);
tcsetattr(STDIN_FILENO, TCSANOW, &newt);
ch = getchar();
tcsetattr(STDIN_FILENO, TCSANOW, &oldt);
return ch;
}
static int http_request_downloadfile_rtsp(HttpX_t *http_req)
{
int ret = -1;
RTSPRequest_t *rtsp_req = (RTSPRequest_t *)&http_req->rtsp_req;
DBG_TR_LN("enter (rtsp_req->filename: %s)", rtsp_req->filename);
rtsp_req->fp = SAFE_FOPEN(rtsp_req->filename, "wb"); /* open file to download */
if (rtsp_req->fp)
{
struct stat file_info;
if (fstat(SAFE_FILENO(rtsp_req->fp), &file_info) != 0)
{
SAFE_SNPRINTF(http_req->log, sizeof(http_req->log), "fstat error !!! (url: %s, filename: %s)", http_req->url, rtsp_req->filename);
}
else
{
curl_global_init(CURL_GLOBAL_ALL);
CURL *curl = curl_easy_init();
http_req->curl = curl;
CURLcode curl_res;
curl_easy_setopt(curl, CURLOPT_URL, http_req->url);
//curl_easy_setopt(curl, CURLOPT_PROTOCOLS, (long)CURLPROTO_RTSP);
//curl_easy_setopt(curl, CURLOPT_USERAGENT, "LIVE555 Streaming Media v2013.02.11");
curl_easy_setopt(curl, CURLOPT_USERAGENT, "LibVLC/3.0.4 (LIVE555 Streaming Media v2016.11.28)");
{
// ** Auth **
if ((http_req->user) && (strlen(http_req->user) >0) && (http_req->password) && (strlen(http_req->password) >0))
{
//curl_easy_setopt(curl, CURLOPT_HTTPAUTH, (long)CURLAUTH_BASIC|CURLAUTH_DIGEST);
curl_easy_setopt(curl, CURLOPT_HTTPAUTH, (long)CURLAUTH_ANY);
curl_easy_setopt(curl, CURLOPT_USERNAME, http_req->user);
curl_easy_setopt(curl, CURLOPT_PASSWORD, http_req->password);
}
}
{
// ** Debug & Timeout **
//curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, MAX_OF_CURL_CONNECTTIMEOUT);
//curl_easy_setopt(curl, CURLOPT_TIMEOUT, MAX_OF_CURL_TIMEOUT);
curl_easy_setopt(curl, CURLOPT_VERBOSE, VAL_OF_CURLOPT_VERBOSE);
// ** redirected **
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
}
{
// ** Header **
}
{
// ** Body **
rtsp_req->CSeq = 0;
// request server options
curl_res = rtsp_options(http_req, curl);
// request session description and write response to sdp buffer
curl_res = rtsp_describe(http_req, curl);
rtsp_req->no_of_track = 0;
// get media control attribute from sdp buffer
rtsp_describe_parse(http_req);
int i =0;
for (i=0; i < rtsp_req->no_of_track; i++)
{
// setup media stream
curl_res = rtsp_setup(http_req, curl, i);
}
// to setup RTP
RTPX_t *rtp_req = rtp_init(rtsp_req->rtp_port, rtsp_req->interleaved);
rtp_req->http_req = http_req;
rtsp_req->rtp_req = rtp_req;
// start playing media stream
curl_res = rtsp_play(http_req, curl);
if (rtsp_req->max_size)
{
while ((rtsp_req->stop==0)
&& (rtp_req->total <= rtsp_req->max_size)
)
{
rtsp_receive(http_req, curl);
}
}
else if (rtsp_req->duration)
{
time_t start_t = time(NULL);
int duration = 0;
while ((rtsp_req->stop==0)
&& (duration <= rtsp_req->duration)
)
{
rtsp_receive(http_req, curl);
duration = (int)difftime(time(NULL), start_t);
if ((rtsp_req->progress) && ((duration%5)==0))
{
DBG_DB_LN("(duration: %d/%d)", duration,rtsp_req->duration);
//rtp_context_print( &rtp_req->sess_data);
}
}
}
else
{
rtsp_getch();
}
// teardown session
curl_res = rtsp_teardown(http_req, curl);
rtp_free(rtp_req);
}
if (curl_res != CURLE_OK)
{
SAFE_SPRINTF_EX(http_req->log, "%d %s !!! (url: %s, filename: %s)", curl_res, curl_easy_strerror(curl_res), http_req->url, rtsp_req->filename);
}
else
{
ret = 0;
}
/* always cleanup */
http_req->curl = NULL;
curl_easy_cleanup(curl);
curl_global_cleanup();
qbuf_free(&rtsp_req->qoption);
qbuf_free(&rtsp_req->qdescribe);