📄 httpmin.c
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#include <stdio.h>#include <string.h>#include "httppil.h"#include "httpapi.h"int MyUrlHandler(UrlHandlerParam* param);int MyUrlHandlerInit(HttpParam* hp, int uninit);//URL handler listUrlHandler urlHandlerList[]={ {"cfg.htm",MyUrlHandler,MyUrlHandlerInit}, {NULL},};HttpParam httpParam;struct { int ethif; char ip[16]; int mode; char tvmode[4];} cfgdata;int MyUrlHandlerInit(HttpParam* hp, int uninit){ if (!uninit) { memset(&cfgdata,0,sizeof(cfgdata)); strcpy(cfgdata.ip,"192.168.0.100"); cfgdata.tvmode[0]=1; cfgdata.tvmode[1]=1; } else { //nothing to do } return 0; //0 on success, -1 on failure}int MyUrlHandler(UrlHandlerParam* param){ static const char *html_head="<html><body><h2 align='center'>STB Configuration</h2><hr>"; static const char *html_form_start="<form method='POST' action='cfg.htm'>"; static const char *html_ethif[]={ "Network Interface: <input type='radio' value='0' name='if'%s>DHCP ", "<input type='radio' name='if' value='1'%s>PPPoE ", "<input type='radio' name='if' value='2'%s>Static IP: "}; static const char *html_ip="<input type='text' name='ip' size='20' value='%s'></p>"; static const char *html_mode[]={ "<p>Startup Mode: <select size='1' name='mode'><option value='0'%s>TV Mode</option>", "<option value='1'%s>VOD Mode</option>", "<option value='2'%s>Storage Mode</option></select></p>"}; static const char *html_tvmode[]={ "<p>TV Mode Supported: <input type='checkbox' name='m0' value='1'%s>PAL ", "<input type='checkbox' name='m1' value='1'%s>NTSC ", "<input type='checkbox' name='m2' value='1'%s>720p ", "<input type='checkbox' name='m3' value='1'%s>1080i</p>"}; static const char *html_form_end="<p><input type='submit' value='Submit' name='B1'><input type='reset' value='Reset' name='B2'></p></form><hr>"; static const char *html_tail="</body></html>"; static const char *tvmodes[]={"PAL","NTSC","720p","1080i"}; char *p=param->pucBuffer,*v; int i; if (param->pxVars) { // processing settings if ((v=mwGetVarValue(param->pxVars,"if"))) cfgdata.ethif=atoi(v); if ((v=mwGetVarValue(param->pxVars,"mode"))) cfgdata.mode=atoi(v); if ((v=mwGetVarValue(param->pxVars,"ip"))) strcpy(cfgdata.ip,v); for (i=0; i<4; i++) { char buf[4]; sprintf(buf,"m%d",i); cfgdata.tvmode[i]=mwGetVarValue(param->pxVars,buf)?1:0; } // print new settings in console printf("\n--- Configuration ---\nNetwork Interface: %d\n",cfgdata.ethif); if (cfgdata.ethif==2) printf("IP: %s\n",cfgdata.ip); printf("Startup Mode: %d\nTV Modes:",cfgdata.mode); for (i=0; i<4; i++) { if (cfgdata.tvmode[i]) printf(" %s",tvmodes[i]); } printf("\n---------------------\n\n"); } p+=sprintf(p,"%s%s",html_head,html_form_start); for (i=0; i<3; i++) { p+=sprintf(p,html_ethif[i],(cfgdata.ethif==i)?" checked":""); } p+=sprintf(p,html_ip,cfgdata.ip); for (i=0; i<3; i++) { p+=sprintf(p,html_mode[i],(cfgdata.mode==i)?" selected":""); } for (i=0; i<4; i++) { p+=sprintf(p,html_tvmode[i],cfgdata.tvmode[i]?" checked":""); } p+=sprintf(p,"%s%s%s",html_form_end,param->pxVars?"<p>New settings applied</p>":"",html_tail); param->iDataBytes=(int)p-(int)(param->pucBuffer); param->fileType=HTTPFILETYPE_HTML; return FLAG_DATA_RAW;}//////////////////////////////////////////////////////////////////////////// callback from the web server whenever it needs to substitute variables//////////////////////////////////////////////////////////////////////////int DefaultWebSubstCallback(SubstParam* sp){ // the maximum length of variable value should never exceed the number // given by sp->iMaxValueBytes if (!strcmp(sp->pchParamName,"mykeyword")) { return sprintf(sp->pchParamValue, "%d", time(NULL)); } return -1;}void MiniWebQuit(int arg) { printf("\nCaught signal (%d). MiniWeb shutting down...\n",arg); httpParam.bKillWebserver=1;}int main(int argc,char* argv[]){#ifndef WIN32 signal(SIGINT, (void *) MiniWebQuit); signal(SIGTERM, (void *) MiniWebQuit); signal(SIGPIPE, SIG_IGN);#endif httpParam.siMaxClients=32; httpParam.siHttpPort=80; httpParam.siMaxReqPerConn=99; httpParam.pchWebPath="webroot"; httpParam.pxUrlHandler=urlHandlerList; //set web variable substitution callback httpParam.pfnSubst=DefaultWebSubstCallback; InitSocket(); //start server if (!mwServerStart(&httpParam)) { //wait getchar(); //shutdown server mwServerShutdown(&httpParam); } UninitSocket(); return 0;}⌨️ 快捷键说明
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